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Chemical Characterization and Evaluation of the Anti-Cancer Potential of Flowers from Fridericia platyphylla (Bignoniaceae) AntiCancer Anti Cancer Bignoniaceae (Bignoniaceae
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Rosário, Marcelino S. do
; Mannochio-Russo, Helena
; Santos, Ana L. P. dos
; Pinheiro, Aglaete A.
; Vasconcelos, Luna N.
; Santos, Ana Paula S. A.
; Oliveira, Lila T. de
; Martins, Monique M.
; Andrade, Marcelo S. de
; Nascimento, Maria D. S. B.
; Bolzani, Vanderlan S.
; Lima, Josélia A.
; Rocha, Cláudia Q. da
.
Journal of the Brazilian Chemical Society
- Métricas do periódico
In this study, we aimed to investigate the anticancer activity of the extract, fractions, and isolated compounds of the flowers of Fridericia platyphylla, and to characterize the bioactive compounds. The chemical diversity of the extracts and fractions was investigated using liquid chromatography coupled with high resolution mass spectrometry (LC-HRMS). We were able to annotate 26 compounds from the classes of flavones, flavonols, flavanones, isoflavones, and cinnamic acid and its derivatives. The dichloromethane fraction showed greater cytotoxicity at a concentration of 100 µg mL−1. In addition, the inhibitory concentrations of the dichloromethane fraction were 22.14 and 30.9 µg mL−1 for MCF-7 and MDA-MB-231 cell lines, respectively, and were capable of inhibiting tumor cell migration. Brachydins A and C were isolated from the dichloromethane fraction and showed the greatest cytotoxicity. The results obtained from this study show the potential biological effect of F. platyphylla flowers as a possible antitumor pharmacological agent. extract LCHRMS. LCHRMS LC HRMS . (LC-HRMS) 2 flavones flavonols flavanones isoflavones derivatives 10 mL1 mL 1 addition 2214 22 14 22.1 309 30 9 30. mL− MCF7 MCF 7 MCF- MDAMB231 MDAMB MDA MB 231 MDA-MB-23 lines respectively migration F agent (LC-HRMS 221 22. 3 MDAMB23 23 MDA-MB-2 MDAMB2 MDA-MB- MDA-MB
2.
Sustainable Recycling of Spent Li-Ion Batteries and Iron Ore Tailings for Cobalt Ferrite Synthesis and Its Dual Applications as a Photocatalyst in Solar Photo-Fenton Process and an Electrochemical Sensor LiIon Li Ion PhotoFenton Photo Fenton
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Almeida, Jenifer R.
; Moura, Mayra N.
; Magnago, Luma B.
; Rocha, Ana K. S.
; Coelho, Edson L. D.
; Ferreira, Sandra A. D.
; Lelis, Maria de Fátima F.
; Freitas, Marcos B. J. G. de
.
Journal of the Brazilian Chemical Society
- Métricas do periódico
This study presents a solution to solid waste problems, focusing on spent lithium-ion batteries (LiBs) and iron ore tailings (IOT) from the Mariana environmental accident in Brazil. The approach involves the production CoFe2O4 from LiBs and IOT, which serves as a catalyst for solar photo-Fenton reactions for methylene blue (MB) decolorization and as an electrochemical sensor for ascorbic acid (AA) detection. Chemical analysis showed recycling potential, with 45.22 ± 0.22% m m−1 Co from LiBs and 14.9 ± 1.5% m m−1 Fe from IOT, determined by inductively coupled plasma atomic emission spectroscopy (ICP OES) and flame atomic absorption spectrometry (FAAS). The sol-gel synthesized CoFe2O4 exhibited a crystallite size of 51.9 ± 1.3 nm and agglomerated crystal clusters. Recycled-CoFe2O4 exhibited a 98.1% MB decolorization efficiency in 60 min under solar irradiation and remained above 92.3% in all 7 reuse cycles. The electrochemical sensor exhibited a coefficient of determination of 0.9987, a sensitivity of 3.352 ± 0.0428 μA mol L−1, and a limit of detection of 0.5511 µM in the concentration range of 1.96 to 23.08 mmol L−1 for AA detection. This study demonstrates the potential of recycled-CoFe2O4 in an environmentally friendly dye removal and as an electrochemical sensor, offering sustainable waste management and resource utilization with solar energy. problems lithiumion lithium ion (LiBs IOT (IOT Brazil CoFeO CoFe O CoFe2O photoFenton photo Fenton (MB (AA 4522 45 22 45.2 022 0 0.22 m1 1 m− 149 14 9 14. 15 5 1.5 ICP OES FAAS. FAAS . (FAAS) solgel sol gel 519 51 51. 13 3 1. clusters RecycledCoFe2O4 RecycledCoFeO Recycled Recycled-CoFe2O 981 98 98.1 6 923 92 92.3 cycles 09987 9987 0.9987 3352 352 3.35 00428 0428 0.042 L1 L 05511 5511 0.551 196 96 1.9 2308 23 08 23.0 L− recycledCoFe2O4 recycledCoFeO recycled recycled-CoFe2O energy 452 4 2 45. 02 0.2 (FAAS RecycledCoFe RecycledCoFe2O 98. 92. 0998 998 0.998 335 35 3.3 0042 042 0.04 0551 551 0.55 19 230 23. recycledCoFe recycledCoFe2O 0. 099 99 0.99 33 3. 004 04 0.0 055 55 0.5 09 0.9 00 05
3.
Detection of plasma anti-lipopolysaccharide (LPS)antibodies against enterohemorrhagic Escherichia coli(EHEC) in asymptomatic kindergarten teachers fromBuenos Aires province
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Fernandez Brando, Romina J.
; Sacerdoti, Flavia
; Amaral, María M.
; Bernal, Alan M.
; Rocha, Marcelo Da
; Belardo, Marcela
; Alermo, Marina S.
; Ibarra, Cristina A.
.
Abstract In Argentina, hemolytic uremic syndrome (HUS) caused by EHEC has the highest incidence in the world. EHEC infection has an endemo-epidemic behavior, causing 20-30% of acute bloody diarrhea syndrome in children under 5 years old. In the period 2016-2020, 272 new cases per year were notified to the National Health Surveillance System. Multiple factors are responsible for HUS incidence in Argentina including person-to-person transmission. In order to detect possible EHEC carriers, we carried out a preliminary study of the frequency of kindergarten teachers with anti-LPS antibodies against the most prevalent EHEC serotypes in Argentina. We analyzed 61 kindergarten teachers from 26 institutions from José C. Paz district, located in the suburban area of Buenos Aires province, Argentina. Fifty-one percent of the plasma samples had antibodies against O157, O145, O121 and O103 LPS: 6.4% of the positive samples had IgM isotype (n=2), 61.3% IgG isotype (n=19) and 32.3% IgM and IgG (n=10). Given that antibodies against LPS antigens are usually short-lived specific IgM detection may indicate a recent infection. In addition, the high percentage of positive samples may indicate a frequent exposure to EHEC strains in the cohort studied, as well as the existence of a large non-symptomatic population of adults carrying pathogenic strains that could contribute to the endemic behavior through person-to-person transmission. The improvement of continuous educational programs in kindergarten institutions could be a mandatory measure to reduce HUS cases not only in Argentina but also globally.
Resumen En Argentina, el síndrome urémico hemolítico causado por Escherichia coli enterohemorrágica (EHEC) tiene la más alta incidencia del mundo. Las infecciones por EHEC tienen un comportamiento endemoepidémico y causan del 20 al 30% de los síndromes de diarrea sanguinolenta en niños menores de 5 años. En el período 2016-2020, se notificaron 272 nuevos casos por año al Sistema de Vigilancia de Salud Nacional. Múltiples factores son responsables de la alta incidencia de SUH en Argentina, incluyendo la transmisión persona-persona. Con el objetivo de detectar posibles portadores asintomáticos de EHEC, realizamos un estudio preliminar de la frecuencia de anticuerpos antilipopolisacáridos contra los serotipos de EHEC más prevalentes en Argentina. El estudio se realizó con muestras de plasma obtenidas de 61 maestras y maestros de jardines de infantes de 26 instituciones del distrito de José C. Paz, localizado en el área suburbana de la provincia de Buenos Aires, Argentina. El 51% de las muestras presentaron anticuerpos contra los serotipos de lipopolisacáridos O157, O145, O121 y O103; el 6,4% de las muestras positivas tuvieron el isotipo IgM (n=2), el 61,3% el isotipo IgG (n=19) y el 32,3% los isotipos IgM e IgG (n=10). Dado que los anticuerpos antilipopolisacáridos presentan usualmente una duración corta, la detección de IgM específica podría indicar una infección reciente. Además, el alto porcentaje de muestras positivas hallado podría indicar una exposición frecuente a las cepas de EHEC en la cohorte estudiada. Asimismo, la gran población de adultos portadores asintomáticos de estas cepas patógenas podría contribuir al comportamiento endémico, a través de la transmisión persona-persona. El perfeccionamiento de programas educacionales continuos en jardines de infantes podría constituir una medida importante para reducir los casos de síndrome urémico hemolítico, no solo en Argentina, sino también en el mundo.
4.
Prevalence and clinical consequences of Hepatitis C virus infection in patients undergoing hematopoietic stem cell transplantation
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Diaz, Ana Claudia Marques Barbosa
; Witkin, Steven Sol
; Almeida Neto, Cesar de
; Mendrone Junior, Alfredo
; Rocha, Vanderson
; Costa, Silvia Figueiredo
; Ramos, Jessica Fernandes
; Mendes-Correa, Maria Cassia
.
Revista do Instituto de Medicina Tropical de São Paulo
- Métricas do periódico
ABSTRACT Hepatitis C virus (HCV) infection is a significant cause of morbidity and mortality among hematopoietic stem cell transplant (HCT) recipients. In Brazil, its occurrence in HCT recipients remains undetermined. We now report on HCV prevalence in HCT recipients and its clinical consequences. The medical records of all HCT recipients seen at Hospital das Clinicas, Sao Paulo University Medical School, from January 2010 to January 2020 were reviewed to determine HCV serostatus. A retrospective analysis of medical charts was undertaken on all seropositive cases to determine HCV genotype, presence of liver fibrosis, co-infections with other viruses, previous treatments, and clinical evolution of liver pathology after HCT. Of the 1,293 HCT recipients included in the study, seven (0.54%) were HCV antibody-positive and five (0.39%) were also viremic for HCV-RNA. Four of these individuals had moderate to severe liver fibrosis (METAVIR F2/F3) and one was cirrhotic. Two of the viremic patients developed acute liver dysfunction following transplantation. All patients had their acute episode of liver dysfunction resolved with no further complications. Four of the viremic patients were treated for HCV infection with direct acting agents (DAA). Information regarding HCV treatment was lacking for one of the viremic HCV patients due to loss of follow up. Sustained anti-virologic responses were observed in three cases after the use of DAA. The detection of HCV in hematological adults undergoing HCT and its successful treatment with DAA highlight the necessity of testing for HCV both prior to and following transplantation. (HCV (HCT Brazil undetermined consequences Clinicas School 201 202 serostatus genotype coinfections co infections viruses treatments 1293 1 293 1,29 study 0.54% 054 0 54 (0.54% antibodypositive antibody positive 0.39% 039 39 (0.39% HCVRNA. HCVRNA RNA. RNA HCV-RNA METAVIR F2/F3 F2F3 FF F2 F3 F cirrhotic transplantation complications . (DAA) up antivirologic anti virologic 20 129 29 1,2 0.54 05 5 (0.54 0.39 03 3 (0.39 F2/F F2F (DAA 2 12 1, 0.5 (0.5 0.3 (0.3 0. (0. (0 (
5.
Multiple myeloma and Chagas disease: qPCR as a marker for preemptive antiparasitic therapy: a case reports series and review disease therapy
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Carvalho, Noemia Barbosa
; Freitas, Vera Lúcia Teixeira de
; Seguro, Fernanda Salles
; Bezerra, Rita Cristina
; Fatobene, Giancarlo
; Nakanishi, Érika Yoshie Shimoda
; Visnadi, Helena
; Martinez, Gracia
; Batista, Marjorie Vieira
; Rocha, Vanderson
; Dulley, Frederico Luis
; Costa, Sílvia Figueiredo
; Shikanai-Yasuda, Maria Aparecida
.
Revista do Instituto de Medicina Tropical de São Paulo
- Métricas do periódico
ABSTRACT Multiple myeloma (MM) associated with Chagas disease is rarely described. This disease and its therapy suppress T cell and macrophage functions and increase regulatory T cell function, allowing the increase of parasitemia and the risk of Chagas Disease Reactivation (CDR). We aimed to analyze the role of conventional (cPCR) and quantitative Polymerase Chain Reaction (qPCR) for prospective monitoring of T. cruzi parasitemia, searching for markers of preemptive antiparasitic therapy in MM patients with Chagas disease. Moreover, we investigated the incidence and management of hematological diseases and CDR both inside and outside the transplant setting in the MEDLINE database. We found 293 studies and included 31 of them. Around 1.9–2.0% of patients with Chagas disease were reported in patients undergoing Stem Cell Transplantation. One case of CDR was described in eight cases of MM and Chagas disease. We monitored nine MM and Chagas disease patients, seven under Autologous Stem Cell Transplantation (ASCT), during 44.56±32.10 months (mean±SD) using parasitological methods, cPCR, and qPCR. From these patients, three had parasitemia. In the first, up to 256 par Eq/mL were detected, starting from 28 months after ASCT. The second patient dropped out and died soon after the detection of 161.0 par Eq/mL. The third patient had a positive blood culture. Benznidazole induced fast negativity in two cases; followed by notably lower levels in one of them. Increased T. cruzi parasitemia was related to the severity of the underlying disease. We recommend parasitemia monitoring by qPCR for early introduction of preemptive antiparasitic therapy to avoid CDR. (MM function . (CDR) cPCR (cPCR (qPCR Moreover database 29 3 them 1920 1 9 2 0 1.9–2.0 ASCT, ASCT , (ASCT) 44563210 44 56 32 10 44.56±32.1 mean±SD meanSD mean SD (mean±SD methods first 25 EqmL Eq mL detected 1610 161 161. culture (CDR 192 1.9–2. (ASCT 4456321 4 5 44.56±32. 16 19 1.9–2 445632 44.56±32 1.9– 44563 44.56±3 1.9 4456 44.56± 1. 445 44.56 44.5 44.
6.
Effect of the COVID-19 pandemic on cataract surgery by residents who had routine surgical simulator training during residency COVID19 COVID 19 COVID-1 COVID1 1 COVID-
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Magalhães, Maria Clara O.
; Sarmento, Mariana M. G.
; Sant’Anna, Guilherme H.
; Soares, Ana Karine A.
; Ventura, Camila V.
; Rocha, Camilla S.
; Ventura, Bruna V.
.
Arquivos Brasileiros de Oftalmologia
- Métricas do periódico
ABSTRACT Purpose: To assess the effect of the coronavirus disease 2019 (COVID-19) pandemic on cataract surgery by residents who had mandatory surgical simulator training during residency. Methods: In this retrospective, observational analytical study, the total number of cataract surgeries and surgical complications by all senior residents of 2019 (2019 class; prepandemic) and 2020 (2020 class; affected by the reduced number of elective surgeries due to the COVID-19 pandemic) were collected and compared. All residents had routine mandatory cataract surgery training on a virtual surgical simulator during residency. The total score obtained by these residents on cataract challenges of the surgical simulator was also evaluated. Results: The 2020 and 2019 classes performed 1275 and 2561 cataract surgeries, respectively. This revealed a reduction of 50.2% in the total number of procedures performed by the 2020 class because of the pandemic. The incidence of surgical complications was not statistically different between the two groups (4.2% in the 2019 class and 4.9% in the 2020 class; p=0.314). Both groups also did not differ in their mean scores on the simulator’s cataract challenges (p<0.696). Conclusion: Despite the reduction of 50.2% in the total number of cataract surgeries performed by senior residents of 2020 during the COVID-19 pandemic, the incidence of surgical complications did not increase. This suggests that surgical simulator training during residency mitigated the negative effects of the reduced surgical volume during the pandemic. Purpose 201 COVID19 COVID 19 (COVID-19 Methods retrospective study (201 prepandemic 202 (202 COVID-1 compared evaluated Results 127 256 respectively 502 50 2 50.2 4.2% 42 4 (4.2 49 9 4.9 p=0.314. p0314 p p=0.314 . 0 314 p=0.314) simulators s p<0.696. p0696 p<0.696 696 (p<0.696) Conclusion increase 20 COVID1 1 (COVID-1 (20 COVID- 12 25 5 50. 4.2 (4. 4. p031 p=0.31 31 p069 p<0.69 69 (p<0.696 (COVID- (2 (4 p03 p=0.3 3 p06 p<0.6 6 (p<0.69 (COVID ( p0 p=0. p<0. (p<0.6 p=0 p<0 (p<0. p= p< (p<0 (p< (p
7.
Human papillomavirus in women infected with human immunodeficiency virus: association with viral load and lymphocyte count virus
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Morais, Ana Cléa Cutrim Diniz de
; Ferreira, Alice de Sá
; Barbosa, Carla Déa Trindade
; Lima, Maria Fernanda Bezerra
; Fook, Karina Donato
; Carvalho, Mônika Machado de
; Muniz, Alessandra Costa de Sales
; Araújo, Deborah Rocha de
; Monteiro, Pablo de Matos
; Araújo, Maria José Abigail Mendes
; Monteiro, Sally Cristina Moutinho
; Lopes, Fernanda Ferreira
.
Revista do Instituto de Medicina Tropical de São Paulo
- Métricas do periódico
ABSTRACT Women living with human immunodeficiency virus are at an increased risk of developing cancers related to human papillomavirus (HPV). Thus, it is important to combine clinical assessments, serological screening, and HPV data for planning prevention policies. This study aimed to identify HPV and its specific types in the cervical, anal, and oral mucosa of HIV-seropositive women, associating it with viral load and lymphocyte count. Sociodemographic characteristics, health data (CD4+ and CD8+ T cell counts and viral load), and biological samples (cervical, anal, and oral) were collected from 86 HIV-positive women undergoing antiretroviral therapy. Data were classified according to the presence or absence of HPV-DNA, HPV-DNA presence at one or more anatomic sites, and level of oncogenic risk, considering low- and high-risk oncogenic HPV-DNA groups. The presence of HPV in the cervicovaginal site was 65.9%, 63.8% in anal canal, and 4.2% in oral mucosa. A viral load ≥75 HIV copies/mL was associated with the presence of HPV-DNA. There was an association between viral load and the low-risk HPV or high-risk HPV groups. We found a high prevalence of HPV infection in HIV-seropositive women, particularly in the cervical and anal mucosa, with viral load ≥75 HIV copies/mL being associated with HPV-DNA presence. HPV. . (HPV) Thus assessments screening policies HIVseropositive seropositive count characteristics CD4+ CD4 CD (CD4 CD8 load, , load) (cervical 8 HIVpositive positive therapy HPVDNA, HPVDNA DNA, DNA sites low highrisk groups 659 65 9 65.9% 638 63 63.8 canal 42 4 2 4.2 75 ≥7 copiesmL copies mL HPVDNA. DNA. lowrisk (HPV (CD 6 65.9 63. 4. 7 ≥ 65.
8.
DIMENSIONING OF VINYLSULFONIC SUPPORTS FROM CASHEW APPLE BAGASSE BIOMASS IN THE IMMOBILIZATION OF LIPASES
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Lima, Paula J. M.
; Silva, Jouciane de S.
; Melo, Rafael L. F.
; S. Neto, Francisco
; Fechine, Pierre B. A.
; Rocha, Maria V. P.
; Gonçalves, Luciana R. B.
; Santos, José C. S. dos
.
In this work, the support, cashew apple bagasse (CAB), was chemically modified with divinyl sulfone (DVS), and it was evaluated to immobilize Candida antarctica lipase A (CAL-A). The best activation conditions of CAB support were defined by an advanced experimental design using the Taguchi method, assessing five factors at four levels (concentration of DVS, ionic strength, pH, temperature, and time). The support and biocatalyst (CAB-DVS-CAL-A) were characterized by Fourier transform infrared spectroscopy (FTIR), elemental analysis, thermogravimetry (TGA), scanning microscopy (SEM), fluorescence spectroscopy (XRF) and electrophoresis. The optimal conditions to activate the support were DVS concentration of 1.4 mol L-1 (3 mL of DVS in 20 mL of reaction volume), a concentration of sodium bicarbonate buffer at 5 mmol L-1, pH 3.0 at 30 °C for 12 h. The immobilization on CAB-DVS promoted increased thermal stability at 70 °C and different pHs of CAL-A. Therefore, the selected conditions allowed for a catalyst with a catalytic activity of 6.8 U g-1 and more stable than the free enzyme (CAL-A). This demonstrates that pretreated and DVS-activated CAB is a promising support for enzyme immobilization. work CAB, , (CAB) (DVS) CALA. CALA CAL . (CAL-A) method strength temperature time. time time) CABDVSCALA (CAB-DVS-CAL-A FTIR, FTIR (FTIR) analysis TGA, TGA (TGA) SEM, SEM (SEM) XRF (XRF electrophoresis 14 1 4 1. L1 L L- 3 ( 2 volume, volume volume) L1, 1, 0 3. C h CABDVS 7 A. CAL-A Therefore 68 6 8 6. g1 g g- DVSactivated activated (CAB (DVS (CAL-A (FTIR (TGA (SEM
9.
Protein fraction from Sesbania virgata (Cav.) Pers. seeds exhibit antioxidant and antifungal activities Cav. Cav (Cav. Pers (Cav
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SÁ, GIULIAN CÉSAR DA S.
; GADELHA, TATIANE S.
; FRAGOSO, SINARA P.
; PACHECO, MARIA TERESA B.
; LIMA, EDELTRUDES DE O.
; ROCHA, HUGO ALEXANDRE DE O.
; UCHÔA, ADRIANA F.
; GADELHA, CARLOS ALBERTO DE A.
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Abstract Sesbania virgata (Cav.) Pers. seeds are protein sources with health and environmental benefits. In this research, proteins with lectin activity were identified in a protein fraction from S. virgata seeds (PFLA), as well its antioxidant and antimicrobial potentials, in addition to cytotoxic effects. To obtain PFLA, seed flour was homogenized in Glycine-NaOH (100 mM; pH 9.0; NaCl 150 mM) and precipitated in ammonium sulfate. PFLA concentrates bioactive lectins (32 HU/mL, 480 HU/gFa, 18.862 HU/mgP) and essential amino acids (13.36 g/100g protein). PFLA exerts antioxidant activity, acting as a promising metal chelating agent (~77% of activity). Analyzes of cell culture assay results suggest that antioxidant activity of PFLA may be associated with the recruitment of essential molecules to prevent the metabolic impairment of cells exposed to oxidative stress. PFLA (256 – 512 µg/mL) also exhibits antifungal activity, inhibiting the growth of Aspergillus flavus, Candida albicans, Candida tropicalis and Penicillium citrinum. Cytotoxic analysis indicates a tendency of low interference in the proliferation of 3T3 and HepG2 cells in the range of PFLA concentrations with biological activity. These findings support the notion that PFLA is a promising adjuvant to be applied in current policies on the management of metal ion chelation and fungal infections. Cav. Cav (Cav. Pers benefits research S , (PFLA) potentials effects GlycineNaOH Glycine NaOH 100 (10 mM 9.0 90 9 0 15 sulfate 32 (3 HUmL HU mL HU/mL 48 HUgFa gFa HU/gFa 18862 18 862 18.86 HU/mgP HUmgP mgP 13.36 1336 13 36 (13.3 g100g gg g 100g protein. . protein) ~77% 77 (~77 activity) stress 256 (25 51 µg/mL µgmL µg flavus albicans citrinum T 3T HepG infections (Cav (PFLA 10 (1 9. 1 3 ( 4 1886 86 18.8 13.3 133 (13. ~77 7 (~7 25 (2 5 188 8 18. 13. (13 ~7 (~ 2 ~
10.
Effect of the COVID-19 pandemic on cataract surgery by residents who had routine surgical simulator training during residency COVID19 COVID 19 COVID-1 COVID1 1 COVID-
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Magalhães, Maria Clara O.
; Sarmento, Mariana M. G.
; Sant’Anna, Guilherme H.
; Soares, Ana Karine A.
; Ventura, Camila V.
; Rocha, Camilla S.
; Ventura, Bruna V.
.
Arquivos Brasileiros de Oftalmologia
- Métricas do periódico
ABSTRACT Purpose: To assess the effect of the Coronavirus disease 2019 (COVID-19) pandemic on cataract surgery by residents who had mandatory surgical simulator training during residency. Methods: In this retrospective, observational analytical study, the total number of cataract surgeries and surgical complications by all senior residents of 2019 (2019 class; prepandemic) and 2020 (2020 class; affected by the reduced number of elective surgeries due to the COVID-19 pandemic) were collected and compared. All residents had routine mandatory cataract surgery training on a virtual surgical simulator during residency. The total score obtained by these residents on cataract challenges of the surgical simulator was also evaluated. Results: The 2020 and 2019 classes performed 1275 and 2561 cataract surgeries, respectively. This revealed a reduction of 50.2% in the total number of procedures performed by the 2020 class because of the pandemic. The incidence of surgical complications was not statistically different between the two groups (4.2% in the 2019 class and 4.9% in the 2020 class; p=0.314). Both groups also did not differ in their mean scores on the simulator’s cataract challenges (p<0.696). Conclusion: Despite the reduction of 50.2% in the total number of cataract surgeries performed by senior residents of 2020 during the COVID-19 pandemic, the incidence of surgical complications did not increase. This suggests that surgical simulator training during residency mitigated the negative effects of the reduced surgical volume during the pandemic. Purpose 201 COVID19 COVID 19 (COVID-19 Methods retrospective study (201 prepandemic 202 (202 COVID-1 compared evaluated Results 127 256 respectively 502 50 2 50.2 4.2% 42 4 (4.2 49 9 4.9 p=0.314. p0314 p p=0.314 . 0 314 p=0.314) simulators s p<0.696. p0696 p<0.696 696 (p<0.696) Conclusion increase 20 COVID1 1 (COVID-1 (20 COVID- 12 25 5 50. 4.2 (4. 4. p031 p=0.31 31 p069 p<0.69 69 (p<0.696 (COVID- (2 (4 p03 p=0.3 3 p06 p<0.6 6 (p<0.69 (COVID ( p0 p=0. p<0. (p<0.6 p=0 p<0 (p<0. p= p< (p<0 (p< (p
11.
Streptococcus suis meningitis: An emerging zoonotic disease in Brazil meningitis
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Ramos, Geisa Santos Souza
; Rego, Renata Ferreira da Silva
; Oliveira, Maria Fernanda Feltrin de
; Rocha, Verônica de França Diniz
; Oliveira, Ernesto Pereira de
; Reis, Joice Neves
.
Revista da Sociedade Brasileira de Medicina Tropical
- Métricas do periódico
ABSTRACT Streptococcus suis has been widely reported as a pathogen in animals, especially pigs. In terms of human health implications, it has been characterized as a zoonosis associated with the consumption of pork products and occupational exposure, particularly in Southeast Asian countries. Here, we present a rare case of human S. suis infection in Brazil, diagnosed in an older adult swine farmer, a small rural producer residing in the semi-arid region of Bahia, Brazil. animals pigs implications exposure countries Here S Brazil farmer semiarid semi arid Bahia
12.
The taxonomy of Sahelanthropus tchadensis from a craniometric perspective
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Anais da Academia Brasileira de Ciências
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Abstract Sahelanthropus tchadensis has raised much debate since its initial discovery in Chad in 2001, given its controversial classification as the earliest representative of the hominin lineage. This debate extends beyond the phylogenetic position of the species, and includes several aspects of its habitual behavior, especially in what regards its locomotion. The combination of ancestral and derived traits observed in the fossils associated with the species has been used to defend different hypotheses related to its relationship to hominins. Here, the cranial morphology of Sahelanthropus tchadensis was assessed through 16 linear craniometric measurements, and compared to great apes and hominins through Principal Component Analysis based on size and shape and shape information alone. The results show that S. tchadensis share stronger morphological affinities with hominins than with apes for both the analysis that include size information and the one that evaluates shape alone. Since TM 266-01-060-1 shows a strong morphological affinity with the remaining hominins represented in the analysis, our results support the initial interpretations that S. tchadensis represents an early specimen of our lineage or a stem basal lineage more closely related to hominins than to Panini. 2001 behavior locomotion Here 1 measurements alone S 266010601 266 01 060 266-01-060- Panini 200 26601060 26 0 06 266-01-060 20 2660106 2 266-01-06 266010 266-01-0 26601 266-01- 2660 266-01 266-0 266-
13.
Catálogo Taxonômico da Fauna do Brasil: Setting the baseline knowledge on the animal diversity in Brazil Brasil
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Boeger, Walter A.
; Valim, Michel P.
; Zaher, Hussam
; Rafael, José A.
; Forzza, Rafaela C.
; Percequillo, Alexandre R.
; Serejo, Cristiana S.
; Garraffoni, André R.S.
; Santos, Adalberto J.
; Slipinski, Adam
; Linzmeier, Adelita M.
; Calor, Adolfo R.
; Garda, Adrian A.
; Kury, Adriano B.
; Fernandes, Agatha C.S.
; Agudo-Padrón, Aisur I.
; Akama, Alberto
; Silva Neto, Alberto M. da
; Burbano, Alejandro L.
; Menezes, Aleksandra
; Pereira-Colavite, Alessandre
; Anichtchenko, Alexander
; Lees, Alexander C.
; Bezerra, Alexandra M.R.
; Domahovski, Alexandre C.
; Pimenta, Alexandre D.
; Aleixo, Alexandre L.P.
; Marceniuk, Alexandre P.
; Paula, Alexandre S. de
; Somavilla, Alexandre
; Specht, Alexandre
; Camargo, Alexssandro
; Newton, Alfred F.
; Silva, Aline A.S. da
; Santos, Aline B. dos
; Tassi, Aline D.
; Aragão, Allan C.
; Santos, Allan P.M.
; Migotto, Alvaro E.
; Mendes, Amanda C.
; Cunha, Amanda
; Chagas Júnior, Amazonas
; Sousa, Ana A.T. de
; Pavan, Ana C.
; Almeida, Ana C.S.
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; Henriques-Oliveira, Ana L.
; Prudente, Ana L.
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; Wengrat, Ana P.G. da Silva
; Dornellas, Ana P.S.
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; Puker, Anderson
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; Andrade, Andrey J. de
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; Lima, Aurino F. de
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; Brito, Ayrton do R.
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; Bellini, Bruno C.
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; Margaría, Cecilia B.
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; Digiani, Celina
; Haddad, Célio F.B.
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; Nascimento, Francisco E. de L.
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; Oliveira, Francisco L. de
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; Marconato, Gláucia
; Lopez, Guilherme E.L.
; Silva, Guilherme L. da
; Muricy, Guilherme
; Brito, Guilherme R.R.
; Garbino, Guilherme S.T.
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; Graciolli, Gustavo
; Libardi, Gustavo S.
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; Varella, Henrique R.
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; Miyahira, Igor C.
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; Martins, Inês X.
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; Oliveira, Ismael B. de
; Franz, Ismael
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; Golfetti, Ivan F.
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; Prando, Jadila S.
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; Valderrama, Jefferson S.
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; Narita, João P.
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; Barbosa, Julianna F.
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; Kuabara, Kamila M.D.
; Nascimento, Karine B.
; Schoeninger, Karine
; Campião, Karla M.
; Soares, Karla
; Zilch, Kássia
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; Teixeira, Larissa
; Sousa, Laura D. do N.M. de
; Dumas, Leandro L.
; Vieira, Leandro M.
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; Carvalho, Leonardo S.
; Souza, Leonardo S. de
; Rocha, Leonardo S.G.
; Bernardi, Leopoldo F.O.
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; Johann, Liana
; Salvatierra, Lidianne
; Oliveira, Livia de M.
; Loureiro, Lourdes M.A. El-moor
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; Lima, Lucas R.C.
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; Malabarba, Luiz R.
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; Santis, Marcelo D. de
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; Nogueira, Marcelo
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; Kitahara, Marcelo V.
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; Botelho, Marcia J.C.
; Couri, Márcia S.
; Borges-Martins, Márcio
; Felix, Márcio
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; Bologna, Marco A.
; Gottschalk, Marco S.
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; Lhano, Marcos G.
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; Domingues, Marcus V.
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; Digiani, María C.
; Santarém, Maria C.A.
; Nascimento, Maria C. do
; Becerril, María de los A.M.
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; Passos, Maria I. da S. dos
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; Cherman, Mariana A.
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; Bartz, Marie L.C.
; Barbosa, Marina F. de C.
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; Cohn-Haft, Mario
; Cupello, Mario
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; Bento, Matheus
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; Segura, Melissa O.
; Cardenas, Melissa Q.
; Duarte, Mércia E.
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; Mincarone, Michael M.
; Borges, Michela
; Monné, Miguel A.
; Casagrande, Mirna M.
; Fernandez, Monica A.
; Piovesan, Mônica
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; Benaim, Natalia P.
; Reategui, Natália S.
; Pedro, Natan C.
; Pecly, Nathalia H.
; Ferreira Júnior, Nelson
; Silva Júnior, Nelson J. da
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; Hamada, Neusa
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; Ferla, Noeli J.
; Mielke, Olaf H.H.
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; Shibatta, Oscar A.
; Oliveira, Otto M.P.
; Albornoz, Pablo C.L.
; Dellapé, Pablo M.
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; Shimabukuro, Paloma H.F.
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; Rodrigues, Patrícia E. da S.
; Lima, Patricia O.V.
; Velazco, Paul
; Santos, Paula B. dos
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; Silva, Paula K.R.
; Riccardi, Paula R.
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; Corgosinho, Paulo H.C.
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; Gnaspini, Pedro
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; Demite, Peterson R.
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; Silva, Rafael A.P.F.
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; Silva, Rafaela A. da
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; Cordeiro, Ralf T.S.
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; Querino, Ranyse B.
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; Silva, Ricardo B.
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; Dias, Ricardo M.
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; Leschen, Richard A.B.
; Constantin, Robert
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; Pinto, Roberta R.
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; Salvador, Rodrigo B.
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; Araújo, Rodrigo C.
; Araujo, Rodrigo de O.
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; Feitosa, Rodrigo M.
; Hutchings, Roger W.
; Lara, Rogéria I.R.
; Rossi, Rogério V.
; Gerstmeier, Roland
; Ochoa, Ronald
; Hutchings, Rosa S.G.
; Ale-Rocha, Rosaly
; Rocha, Rosana M. da
; Tidon, Rosana
; Brito, Rosangela
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; Santos, Sandra D. dos
; Paiva, Sandra V.
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; Oliveira, Sarah S. de
; Costa, Sávio C.
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; Leal, Sebastián A. Muñoz
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; Martins, Thiago F.
; Alvarenga, Thiago M.
; Carvalho, Thiago R. de
; Polizei, Thiago T.S.
; McElrath, Thomas C.
; Henry, Thomas
; Pikart, Tiago G.
; Porto, Tiago J.
; Krolow, Tiago K.
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; Lotufo, Tito M. da C.
; Caramaschi, Ulisses
; Pinheiro, Ulisses dos S.
; Pardiñas, Ulyses F.J.
; Maia, Valéria C.
; Tavares, Valeria
; Costa, Valmir A.
; Amaral, Vanessa S. do
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; Wolff, Vera R. dos S.
; Slobodian, Verônica
; Silva, Vinícius B. da
; Espíndola, Vinicius C.
; Costa-Silva, Vinicius da
; Bertaco, Vinicius de A.
; Padula, Vinícius
; Ferreira, Vinicius S.
; Silva, Vitor C.P. da
; Piacentini, Vítor de Q.
; Sandoval-Gómez, Vivian E.
; Trevine, Vivian
; Sousa, Viviane R.
; Sant’Anna, Vivianne B. de
; Mathis, Wayne N.
; Souza, Wesley de O.
; Colombo, Wesley D.
; Tomaszewska, Wioletta
; Wosiacki, Wolmar B.
; Ovando, Ximena M.C.
; Leite, Yuri L.R.
.
ABSTRACT The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classifications. In this context, the Brazilian megadiverse fauna is no exception, and the Catálogo Taxonômico da Fauna do Brasil (CTFB) (http://fauna.jbrj.gov.br/), made public in 2015, represents a database on biodiversity anchored on a list of valid and expertly recognized scientific names of animals in Brazil. The CTFB is updated in near real time by a team of more than 800 specialists. By January 1, 2024, the CTFB compiled 133,691 nominal species, with 125,138 that were considered valid. Most of the valid species were arthropods (82.3%, with more than 102,000 species) and chordates (7.69%, with over 11,000 species). These taxa were followed by a cluster composed of Mollusca (3,567 species), Platyhelminthes (2,292 species), Annelida (1,833 species), and Nematoda (1,447 species). All remaining groups had less than 1,000 species reported in Brazil, with Cnidaria (831 species), Porifera (628 species), Rotifera (606 species), and Bryozoa (520 species) representing those with more than 500 species. Analysis of the CTFB database can facilitate and direct efforts towards the discovery of new species in Brazil, but it is also fundamental in providing the best available list of valid nominal species to users, including those in science, health, conservation efforts, and any initiative involving animals. The importance of the CTFB is evidenced by the elevated number of citations in the scientific literature in diverse areas of biology, law, anthropology, education, forensic science, and veterinary science, among others. publications problem uptodate up date classifications context exception (CTFB http//fauna.jbrj.gov.br/, httpfaunajbrjgovbr http //fauna.jbrj.gov.br/ , jbrj gov br (http://fauna.jbrj.gov.br/) 2015 Brazil 80 specialists 1 2024 133691 133 691 133,69 125138 125 138 125,13 82.3%, 823 82 3 (82.3% 102000 102 000 102,00 7.69%, 769 7 69 (7.69% 11000 11 11,00 . 3,567 3567 567 (3,56 2,292 2292 2 292 (2,29 1,833 1833 833 (1,83 1,447 1447 447 (1,44 1000 1,00 831 (83 628 (62 606 (60 520 (52 50 users science health biology law anthropology education others http//fauna.jbrj.gov.br/ faunajbrjgovbr //fauna.jbrj.gov.br (http://fauna.jbrj.gov.br/ 201 8 202 13369 13 133,6 12513 12 125,1 82.3% (82.3 10200 10 00 102,0 7.69% 76 6 (7.69 1100 11,0 3,56 356 56 (3,5 2,29 229 29 (2,2 1,83 183 83 (1,8 1,44 144 44 (1,4 100 1,0 (8 62 (6 60 52 (5 5 http//fauna.jbrj.gov.br (http://fauna.jbrj.gov.br 20 1336 133, 1251 125, 82.3 (82. 1020 0 102, 7.69 (7.6 110 11, 3,5 35 (3, 2,2 22 (2, 1,8 18 (1, 1,4 14 4 ( 82. (82 7.6 (7. 3, (3 2, (2 (1 7. (7
14.
Neutrophil/lymphocyte and platelet/lymphocyte ratio in seropositive women for human immunodeficiency virus (HIV) and human papillomavirus (HPV) coinfection Neutrophillymphocyte Neutrophil lymphocyte plateletlymphocyte platelet HIV (HIV HPV (HPV
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Fook, Karina Donato
; Araújo, Maria José Abigail Mendes
; Muniz, Alessandra Costa de Sales
; Carvalho, Mônika Machado de
; Morais, Ana Cléa Cutrim Diniz de
; Araújo, Deborah Rocha de
; Guimarães, Sulayne Janayna Araújo
; Souza, Camila Penha Abreu
; Barbosa, Carla Déa Trindade
; Bertolaccini, Maria Fernanda Lima
; Belfort, Ilka Kassandra Pereira
; Lopes, Fernanda Ferreira
; Monteiro, Sally Cristina Moutinho
.
Revista do Instituto de Medicina Tropical de São Paulo
- Métricas do periódico
ABSTRACT This study aims to investigate the possible association between neutrophil/lymphocyte and platelet/lymphocyte ratio in women with HIV, undergoing antiretroviral treatment, with HPV coinfection. This is a cross-sectional study with HIV positive women; their biological samples were collected for laboratory tests (complete blood count) and oncotic cytology for detection of HPV DNA, by PCR-Nested (PGMY and GP primers). Viral load and CD4 and CD8 T-cells counts were obtained from medical records. The data were analyzed, comparing the two groups: those with coinfection and those without it. From 82 HIV seropositive women, 50% exhibited HPV coinfection and 12.2% of coinfected patients had cervical cell alterations. Quantification of viral load, CD4 and CD8 T-cells count, CD4 / CD8 ratio and neutrophil/lymphocyte (NLR) and platelet/lymphocyte (PLR) ratio presented significant differences between groups (p<0.05). The predicting power of NLR and PLR in differentiating HIV/HPV coinfection which demonstrated differences between groups (AUC of 0.882 and 0.776 for NLR and PLR, respectively). There is a relation between the neutrophil/lymphocyte and platelet/lymphocyte ratio with HIV/HPV coinfection in women undergoing antiretroviral treatment, suggesting a state of greater and persistent systemic inflammation, reflecting as a biomarker for screening and monitoring these patients. neutrophillymphocyte neutrophil lymphocyte plateletlymphocyte platelet treatment crosssectional cross sectional complete count DNA PCRNested PCR Nested PGMY primers. primers . primers) CD Tcells T cells records analyzed it 8 50 122 12 2 12.2 alterations (NLR (PLR p<0.05. p005 p p<0.05 0 05 (p<0.05) HIVHPV AUC 0882 882 0.88 0776 776 0.77 respectively. respectively respectively) inflammation 5 1 12. p00 p<0.0 (p<0.05 088 88 0.8 077 77 0.7 p0 p<0. (p<0.0 08 0. 07 7 p<0 (p<0. p< (p<0 (p< (p
15.
Factors associated with the completion of syphilis treatment among transgender women and travestis, in five Brazilian capitals, 2019-2021: a multicenter cross-sectional study travestis capitals 20192021 2019 2021 2019-2021 crosssectional cross sectional 2019202 201 202 2019-202 201920 20 2019-20 20192 2 2019-2 2019-
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Carreira, Luis Fernando Gomes
; Veras, Maria A. S.
; Benzaken, Adele Schwartz
; Queiroz, Rita Suely Bacuri de
; Silveira, Edilene Peres Real
; Oliveira, Elaine Lopes de
; Bassichetto, Katia Cristina
; Rocha, Aline Borges Moreira da
; Suprasert, Bow
; Wilson, Erin C.
; McFarland, Willi
.
RESUMO Objetivo Avaliar a história pregressa de sífilis em mulheres trans e travestis (MTTr) e identificar os fatores associados à incompletude do tratamento. Métodos Estudo transversal multicêntrico, entre 2019 e 2021, com participantes recrutadas por respondent-driven sampling, em cinco capitais brasileiras. Variável dependente: “tratamento referido de sífilis no último ano”, “não/incompleto” ou “completo”. Modelo multivariável-logístico foi utilizado para identificar fatores associados à completude. Resultados Das 1.317 participantes, 16,0% relataram sífilis pregressa. Dessas, 68,9% eram negras, 54,6% ganhavam até 1 salário mínimo e 61,1% completaram o tratamento. A completude de tratamento foi mais baixa em São Paulo (42,7%) e para quem sofreu agressão verbal (53,6%; ORa 0,46; IC95% 0,25;0,85). Conclusão Na amostra, foram elevadas: a prevalência de sífilis autorreferida e a proporção de participantes que refere não ter iniciado/completado o tratamento. É necessário identificar as barreiras enfrentadas por MTTr que impactam o acesso à saúde, e identificar suas necessidades, para assegurar diagnóstico e tratamento adequados. (MTTr multicêntrico 201 2021 respondentdriven respondent driven sampling brasileiras dependente ano, ano , ano” não/incompleto nãoincompleto incompleto “não/incompleto completo. completo . “completo” multivariávellogístico multivariável logístico 1317 317 1.31 160 16 0 16,0 Dessas 689 68 9 68,9 negras 546 54 6 54,6 611 61 61,1 42,7% 427 42 7 (42,7% 53,6% 536 53 (53,6% 0,46 046 46 IC95 IC 0,250,85. 025085 0,25 0,85 25 85 0,25;0,85) amostra elevadas iniciadocompletado iniciado completado saúde necessidades adequados 20 202 “completo 131 31 1.3 16, 68, 5 54, 61, 42,7 4 (42,7 53,6 (53,6 0,4 04 IC9 250 0,250,85 02508 025 0,2 085 0,8 2 8 0,25;0,85 13 3 1. 42, (42, 53, (53, 0, 0,250,8 0250 02 08 0,25;0,8 (42 (53 0,250, 0,25;0, (4 (5 0,250 0,25;0 ( 0,25;
ABSTRACT Objective To assess the previous history of syphilis in transgender women and travestis (TWTs) and identify factors associated with treatment incompleteness. Methods : This was a multicenter cross-sectional study conducted between 2019 and 2021, with participants recruited through respondent-driven sampling, in five Brazilian capitals. Dependent variable: “reported syphilis treatment in the last year”, “no/incomplete” or “complete”. A multivariate-logistic model was used to identify factors associated with completeness. Results : Of the 1,317 participants, 16.0% reported previous history of syphilis. Of these, 68.9% were Black, 54.6% earned up to 1 minimum wage and 61.1% completed the treatment. Treatment completion was lower in São Paulo (42.7%) and among those who experienced verbal abuse (53.6%; ORa 0.46; 95%CI 0.25;0.85). Conclusion In this sample, both the prevalence of self-reported syphilis and the proportion of participants who reported not having started/completed treatment were high. It is essential to identify the barriers faced by TWTs that hinder healthcare access, and identify their needs in order to ensure adequate diagnosis and treatment. (TWTs incompleteness crosssectional cross sectional 201 2021 respondentdriven respondent driven sampling capitals variable year, year , year” no/incomplete noincomplete no incomplete “no/incomplete complete. complete . “complete” multivariatelogistic multivariate logistic completeness 1317 317 1,31 160 16 0 16.0 these 689 68 9 68.9 Black 546 54 6 54.6 611 61 61.1 42.7% 427 42 7 (42.7% 53.6% 536 53 (53.6% 0.46 046 46 95CI CI 95 0.250.85. 025085 0.25 0.85 25 85 0.25;0.85) sample selfreported self startedcompleted started high access 20 202 “complete 131 31 1,3 16. 68. 5 54. 61. 42.7 4 (42.7 53.6 (53.6 0.4 04 250 0.250.85 02508 025 0.2 085 0.8 2 8 0.25;0.85 13 3 1, 42. (42. 53. (53. 0. 0.250.8 0250 02 08 0.25;0.8 (42 (53 0.250. 0.25;0. (4 (5 0.250 0.25;0 ( 0.25;
RESUMEN Objetivo Evaluar historia previa de sífilis en mujeres transgénero y travestis (MTT), identificar factores asociados al tratamiento incompleto. Métodos Estudio transversal multicéntrico, entre 2019-2021, con participantes reclutadas por Respondent-Driven Sampling, en cinco capitales brasileñas. Variable dependiente: “tratamiento de sífilis reportado el último año”: ‘no/incompleto’ o ‘completo’. Se utilizó un modelo logístico multivariable para identificar factores asociados a la incompletitud. Resultados 1.317 participantes, 16,0% refirieron sífilis previa. De estas 68,9% eran negras y 54,6% ganaban hasta 1 salario mínimo; 61,1% completaron tratamiento. La finalización del tratamiento fue menor en San Pablo (42,7%) y entre las que sufrieron agresión verbal (53,6%; ORa 0,46; IC95% 0,25;0,85). Conclusión Tanto prevalencia de sífilis autorreferida como proporción de participantes que informaron no haber iniciado/finalizado el tratamiento fueron elevadas. Es necesario identificar barreras enfrentadas por MTT que impactan su acceso a atención de salud, además, identificar sus necesidades específicas para garantizar un diagnóstico y tratamiento adecuados. MTT, , (MTT) incompleto multicéntrico 20192021, 20192021 2019 2021, 2021 2019-2021 RespondentDriven Respondent Driven Sampling brasileñas dependiente año año” ‘no/incompleto noincompleto ‘completo. completo ‘completo . ‘completo’ incompletitud 1317 317 1.31 160 16 0 16,0 689 68 9 68,9 546 54 6 54,6 mínimo 611 61 61,1 42,7% 427 42 7 (42,7% 53,6% 536 53 (53,6% 0,46 046 46 IC95 IC 0,250,85. 025085 0,25 0,85 25 85 0,25;0,85) iniciadofinalizado iniciado finalizado elevadas salud además adecuados (MTT 2019202 201 202 2019-202 131 31 1.3 16, 68, 5 54, 61, 42,7 4 (42,7 53,6 (53,6 0,4 04 IC9 250 0,250,85 02508 025 0,2 085 0,8 2 8 0,25;0,85 201920 20 2019-20 13 3 1. 42, (42, 53, (53, 0, 0,250,8 0250 02 08 0,25;0,8 20192 2019-2 (42 (53 0,250, 0,25;0, 2019- (4 (5 0,250 0,25;0 ( 0,25;
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