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Cutting of Sphincter in Fistulectomy with Primary Closure in Complex Fistula-in-Ano: Is it Feasible?
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Verma, Amrendra

; Kothari, Reena

; Sharma, Dhananjaya

; Agarwal, Pawan

Journal of Coloproctology (Rio de Janeiro)

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Jul 2023, Volume 43 Nº 3 Páginas 204 - 207

Resumo: En | Texto: En | PDF: En

ABSTRACT Introduction: Treatment of complex fistulas such as inter- or transsphincteric, recurrent, and high fistulae have high rate of recurrence or incontinence. Fistulectomy with primary sphincter reconstruction might represent an effective and safe alternative to reduce rate of recurrence and incontinence. The aim of this study is to assess incontinence and recurrence after fistulectomy with primary sphincter reconstruction for management of complex fistulas. Material and Methods: There were 60 patients with complex fistulae involving the sphincter, with 56 male and 4 female, mean age 40.6 years, operated by fistulectomy and primary sphincter repair over a period of 7 years. Patients were followed up for 6months for any complications, recurrence, and incontinence. Results: The majority of patients (50, 83.3%) had complete wound healing in 2 weeks, while 4 (6.6%) patients had hematoma and superficial wound dehiscence, which were managed conservatively and healed in 4 weeks. There was one recurrence. All patients had good continence postoperatively, except for mild fecal incontinence (FI, score 3), seen in 6 (10%) patients. However, all these patients regained continence within 6 weeks. Conclusions: Primary reconstruction of anal sphincter with fistulectomy is a safe option for complex fistula-in-ano.

https://doi.org/10.1055/s-0043-1774726

On Δᵐ-statistical convergence double sequences in intuitionistic fuzzy normed spaces
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Antal, Reena

; Chawla, Meenakshi

; Kumar, Vijay

; Hazarika, Bipan

Proyecciones (Antofagasta)

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Jun 2022, Volume 41 Nº 3 Páginas 697 - 713

Resumo: En | Texto: En | PDF: En

Abstract In the present paper, the basic objective of our work is to define Δᵐ-statistical convergence in the setup of intuitionistic fuzzy normed spaces for double sequences. We have proved some examples which shows this method of convergence is more generalized. Further, we defined the Δᵐ-statistical Cauchy sequences in these spaces and given the Cauchy convergence criterion for this new notion of convergence.

https://doi.org/10.22199/issn.0717-6279-4633 5 downloads

Anaplastic large cell lymphoma of breast masquerading suppurative mastitis on cytology
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Maharjan, Sailuja

; Satyal, Bandana

; Baidya, Reena

; Neupane, Prakash

Iberoamerican Journal of Medicine

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2022, Volume 4 Nº 4 Páginas 256 - 260

Resumo: En Es | Texto: En Es | PDF: En | PDF: Es

Abstract Breast is an uncommon site of extra nodal lymphoma accounting for 2.2% of all extra nodal lymphomas. B cell lymphomas are more common than T cell types. The most common subtype is Diffuse Large B Cell Lymphoma. Breast lymphoma is very challenging to diagnose as it has nonspecific clinical and radiological features. We report a rare case of primary T cell lymphoma in a 20-year-old female. It was misdiagnosed as abscess on ultrasound and as suppurative mastitis on fine needle aspiration cytology (FNAC). However, excisional biopsy was suggestive of lymphoma and immunohistochemistry confirmed it as ALK positive, anaplastic large cell lymphoma. Even though FNAC is a part of the diagnostic triad for breast lesions, potential pitfalls cannot be overlooked and must be correlated with biopsy.

Resumen La mama es un sitio poco frecuente de linfoma extraganglionar que representa el 2,2 % de todos los linfomas extraganglionares. Los linfomas de células B son más comunes que los tipos de células T. El subtipo más común es el linfoma difuso de células B grandes. El linfoma de mama es muy difícil de diagnosticar, ya que tiene características clínicas y radiológicas inespecíficas. Presentamos un caso raro de linfoma primario de células T en una mujer de 20 años. Fue mal diagnosticado como absceso en ultrasonido y como mastitis supurativa en citología por aspiración con aguja fina (FNAC). Sin embargo, la biopsia por escisión sugirió linfoma y la inmunohistoquímica lo confirmó como linfoma anaplásico de células grandes ALK positivo. Aunque la FNAC es parte de la tríada diagnóstica de las lesiones mamarias, no se pueden pasar por alto los peligros potenciales y se deben correlacionar con la biopsia.

https://doi.org/10.53986/ibjm.2022.0029

Analysis of extreme rainfall and drought events using statistical and fractal methods: A case study of Mauritius
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Seebocus, Reena H.

; Lollchund, Michel R.

; Bessafi, Miloud

South African Journal of Science

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Out 2021, Volume 117 Nº 9-10 Páginas 1 - 9

Resumo: En | Texto: En | PDF: En

Due to climate change, extreme rainfall and drought events are becoming more and more frequent in several regions of the globe. We investigated the suitability of employing statistical and fractal (or scaling) methods to characterise extreme precipitation and drought events. The case of the island of Mauritius was considered, for which monthly mean rainfall data for the period January 1950 to December 2016 were analysed. The generalised extreme value distribution was used to extract the 10- and 20-year return levels and the Standardised Precipitation Index (SPI) was used to identify anomalous wet and dry events. A log-term correlation analysis was also performed to characterise the relationship between maximum rainfall and its duration. The results indicate that the 10-year return level is approximately between 500 mm and 850 mm and the 20-year return level is between 600 mm and 1000 mm. Results also show that the extreme maximum rainfall events occur mostly during austral summer (November to April) and could be related to the effects of tropical cyclones and La Niña events, while anomalous dry events were found to be significantly persistent with very long periods of drought. Moreover, there was a strong correlation between maximum rainfall and its duration. The methodology used in this work could be very useful in similar studies for other Small Island Developing States.SIGNIFICANCE: • We show the usefulness of both statistical and fractal methods to understand occurrences of extreme precipitation events. • We identify anomalous wet and dry events in rainfall time-series data using the Standardised Precipitation Index.

https://doi.org/10.17159/sajs.2021/7477 22 downloads

Anti-Microbial Activity of Hempseed Oil and Sage Oil against Streptococcus mutans and Candida albicans: An In-Vitro Study
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Agrawal, Ruchi

; Yusufsaheb, Yunus Gonal

; Narasimhamurthy, Naveen

; Itagi, Afreen Begum Hasansab

; Kulshrestha, Reena

; Patil, Santosh Rayagouda

Pesquisa Brasileira em Odontopediatria e Clínica Integrada

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2021, Volume 21 elocation e0251

Resumo: En | Texto: En | PDF: En

ABSTRACT Objective: To assess the anti-microbial activity of sage oil and hempseed oil against Streptococcus mutans and Candida albicans. Material and Methods: The sage oil and hempseed oil in pure extract form were collected from an authorized government organization. The anti-microbial activity from the oils was assessed by Kirby-Bauer disc diffusion method. Standard antibiotics Vancomycin and Fluconazole were taken as a positive control for Streptococcus mutans and Candida albicans, respectively. The mean zone of inhibition (ZOI) was measured at 24 hours, 48 hours and 72 hours by HI-MEDIAs antibiotic zone scale. One-way Analysis of variance with Tukey’s Post Hoc was applied for statistical analysis. Results: The mean zone of inhibition of sage oil and hempseed oil at 24 hours, 48 hours and 72 hours against Streptococcus mutans was (7.0 ± 4.24, 9.1 ± 3.71 and 8.4 ± 3.02) and (0.0, 3.2 ± 0.75, 1.9 ± 1.24) respectively. The zone of inhibition against Candida albicans 24 hours, 48 hours and 72 hours for sage oil (2.80 ± 1.151, 6.70 ± 1.30 and 6.30 ± 1.44), hempseed oil (0.0, 3.80 ± 0.75, 3.10 ± 0.41). Sage oil presented potential anti-microbial activity against Streptococcus mutans and Candida albicans. Comparing the anti-microbial efficacy, standard antibiotic (Vancomycin/Fluconazole) was more effective than test oils. Conclusion: Test oils showed anti-bacterial and anti-fungal activity against Streptococcus mutans and Candida albicans. Among these, sage oil showed efficacy at 24 hours, while hempseed oil did not show any effect at this time point. Further studies are needed to affirm the same and test their efficacy in different forms and concentrations.

https://doi.org/10.1590/pboci.2021.115 41 downloads

Vitamin D-dependent rickets (VDDR) type 1: case series of two siblings with a CYP27B1 mutation and review of the literature
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Dhull, Rachita Singh

; Jain, Reena

; Deepthi, Bobbity

; Cheong, Hae II

; Saha, Abhijeet

; Mehndiratta, Mohit

; Basu, Srikanta

Brazilian Journal of Nephrology

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Dez 2020, Volume 42 Nº 4 Páginas 494 - 497

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

Resumo Dois irmãos apresentaram características clínicas e bioquímicas do raquitismo, com suspeita clínica inicial de raquitismo hipofosfatêmico. Não houve melhora no início, portanto os irmãos foram reavaliados e, posteriormente, diagnosticados com raquitismo dependente de vitamina D (VDDR) tipo 1 devido a uma rara mutação no gene CYP27B1, que codifica a enzima 1a-hidroxilase. Ambos os irmãos melhoraram com a suplementação de calcitriol. A apresentação inicial do VDDR geralmente é confusa e a avaliação algorítmica ajuda no diagnóstico. Também apresentamos uma breve revisão da literatura, incluindo genética.

Abstract Two siblings presented with clinical and biochemical features of rickets, initially suspected as hypophosphatemic rickets. There was no improvement initially, hence the siblings were reinvestigated and later diagnosed as having vitamin D-dependent rickets (VDDR) type 1 due to a rare mutation in the CYP27B1 gene encoding the 1α-hydroxylase enzyme. Both siblings improved with calcitriol supplementation. The initial presentation of VDDR is often confusing and algorithmic evaluation helps in diagnosis. We also present a brief review of the literature, including genetics.

https://doi.org/10.1590/2175-8239-jbn-2020-0001 652 downloads

Declaración Conjunta 2020 de la ISHNE/ HRS/ EHRA/ APHRS sobre el manejo de Arritmias mediante mHealth: Herramientas Médicas Digitales para Especialistas en Electrocardiología
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VARMA, NIRAJ

; CYGANKIEWICZ, IWONA

; TURAKHIA, MINTU

; HEIDBUCHEL, HEIN

; HU, YUFENG

; YEE CHEN, LIN

; COUDERC, PHILIPPE

; CRONIN, EDMOND

; ESTEP, JERRY

; GRIETEN, LARS

; LANE, DEIRDRE A.

; MEHRA, REENA

; PAGE, ALEX

; PASSMAN, ROD

; PICCINI, JONATHAN

; PIOTROWICZ, EWA

; PIOTROWICZ, RYSZARD

; PLATONOV, PYOTR G

; RIBEIRO, ANTONIO LUIZ

; RICH, ROBERT E

; RUSSO, ANDREA M

; SLOTWINER, DAVID

; STEINBERG, JONATHAN S

; SVENNBERG, EMMA

Revista argentina de cardiología

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Nov 2020, Volume 88 Nº 6 Páginas 550 - 578

Resumo: Es | Texto: Es | PDF: Es

https://doi.org/10.7775/rac.es.v88.i6.19505 126 downloads

Exploring the Capability of Synthesized PVP-Oxime for Corrosion Inhibition of a Mild Steel Surface in a 1 M H2SO4 Solution
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Saini, Nisha

; Kumar, Rajeev

; Pahuja, Priti

; Malik, Reena

; Malik, Rinki

; Singhal, Sushila

; Lata, Suman

Portugaliae Electrochimica Acta

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Jan 2020, Volume 38 Nº 1 Páginas 43 - 58

Resumo: En | Texto: En | PDF: En

Polyvinylpyrrolidone Oxime (PVPO) was synthesized and studied for mild steel (MS) corrosion inhibition in 1 M H2SO4, at different concentrations and temperatures. The corrosion inhibition efficiency was studied using weight loss method, polarization technique, electrochemical impedance spectroscopy (EIS), scanning electron microscopy (SEM) and quantum chemical calculations. The results from weight loss, potentiodynamic polarization and EIS showed that the inhibition efficiency (I. E.) increased with gradual increments in the inhibitor concentration, and decreased at higher temperatures. The polarization study also revealed that PVPO acted as a mixed type inhibitor, and Langmuir adsorption isotherm fitted well for the adsorption behavior. The highest corrosion efficiency was found to be 88.39%, with a concentration of 1000 ppm, and a temperature of 303 K. The corrosion inhibition mechanism has been further proposed, including the support from the theoretical study. SEM images also verified the MS surface smoothening in PVPO presence, and, hence, it has shown to be a good corrosion inhibitor.

https://doi.org/10.4152/pea.202001043 389 downloads

Endometrial sampling at an academic hospital in South Africa: Histological findings, lessons learnt and interesting surprises
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Mohanlal, Reena D.

African Journal of Laboratory Medicine

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2020, Volume 9 Nº 1 Páginas 1 - 7

Resumo: En | Texto: En | PDF: En

BACKGROUND: Outpatient sampling is used to investigate endometrial pathology. Little is known about practice habits and local failure rates at Chris Hani Baragwanath Academic Hospital in Johannesburg, South Africa. OBJECTIVE: This study assessed the frequency of samples that showed no or limited histological representation of endometrium, and described demographic and pathological features. METHODS: All endometrial sample histology reports from the National Health Laboratory Services at the hospital from 01 July 2013 to 31 May 2017 were retrieved by searching the laboratory's information system. Clinical variables (age, menopausal state, indication for biopsy, endometrial thickness on ultrasound) and pathological findings (macroscopic amount of tissue, histological diagnosis, microscopic presence of endometrial tissue) were extracted and statistically analysed. RESULTS: A total of 1926 samples were included, 91% of which were submitted for abnormal or postmenopausal bleeding. No endometrium was observed in 25% of samples and 13% showed limited endometrium. Benign diagnoses (86%) were most common, with proliferative or secretory changes, endometrial polyps and endometritis accounting for most of these. Associations between the amount of sample received and the presence of endometrial tissue (p ≤ 0.001) and benign versus malignant diagnoses (p ≤ 0.001) were noted. The greater the endometrial thickness, the greater the likelihood of obtaining more sample (bulky vs scant p < 0.001) and making a malignant versus benign diagnosis (p = 0.005). CONCLUSION: These findings are in keeping with literature outside Africa. Histology reports should be explicit when terms such as 'inadequate' or 'insufficient' are used, in order to facilitate clinical decision-making.

https://doi.org/10.4102/ajlm.v9i1.1038 758 downloads

10.

Spectrum of HIV-associated infectious diseases: A case series through the eyes of the histopathologist
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Mohanlal, Reena

; Reddy, Denasha L.

Southern African Journal of HIV Medicine

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2020, Volume 21 Nº 1 Páginas 1 - 7

Resumo: En | Texto: En | PDF: En

BACKGROUND: Human immunodeficiency virus (HIV) infection increases the risk of infection by a host of other opportunistic pathogens. The clinical presentations of these co-infections in immunocompromised patients are often atypical; therefore diagnosis is delayed in the absence of investigations such as tissue biopsy. Infection may involve sites that are difficult to access for biopsy and, as a consequence, there is limited diagnostic tissue available for analysis. The histopathologist, aided by ancillary tests, is relied upon to make a timeous and accurate diagnosis. OBJECTIVES: To illustrate key histological features of HIV-associated infectious diseases encountered in a histopathology laboratory and to highlight, with the aid of literature, the relevance of histopathology in diagnosis. METHOD: A retrospective descriptive case series of biopsies histologically diagnosed with HIV-associated infectious diseases over four years (2015-2019) was performed at the Chris Hani Baragwanath Academic Hospital National Health Laboratory Services Histopathology department. These cases have been photographed to illustrate microscopic aspects and will be accompanied by a literature review of opportunistic infections in the context of HIV infection. RESULTS: This article highlights aspects of fungal, parasitic, viral and selected bacterial infections of people living with HIV for whom the histopathological examination of tissue was an essential component of the clinical diagnosis. Histological features are noted on routine slides and accompanied by diagnostic features revealed with histochemical and immunohistochemical stains. CONCLUSION: Medical practitioners working in areas of high HIV endemicity should be familiar with the variety of infectious diseases that are encountered and with the diagnostic importance of the histopathologist in clinical management.

https://doi.org/10.4102/sajhivmed.v21i1.1087 175 downloads

11.

The association between asymptomatic and mild neurocognitive impairment and adherence to antiretroviral therapy among people living with human immunodeficiency virus
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Awori, Violet

; Mativo, Peter

; Yonga, Gerald

; Shah, Reena

Southern African Journal of HIV Medicine

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2018, Volume 19 Nº 1 Páginas 1 - 10

Resumo: En | Texto: En | PDF: En

BACKGROUND: Asymptomatic cognitive impairment in human immunodeficiency virus (HIV)-infected patients has recently been recognised as part of HIV-associated neurocognitive disorders. This has been implicated as one of the causes of poor adherence to antiretroviral therapy (ART) OBJECTIVE: To assess the association between neurocognitive impairment (asymptomatic and mild forms) and adherence to ART. METHODS: This was a cross-sectional survey involving 218 participants consecutively sampled from those attending the HIV treatment clinic at Aga Khan University Hospital in Nairobi. Data collected included quantitative primary data on pre-defined baseline characteristics, neurocognitive assessment by Montreal Cognitive Assessment (MoCA) tool (Appendix 1), instrumental activities of daily living by Lawton score and objective and subjective adherence measures by medication possession ratio (MPR) and simplified medication adherence questionnaire (SMAQ) (see Appendix 2). Univariate and bivariate analyses were conducted to determine the strengths of association between predictor and the outcome variables. RESULTS: Among the 218 participants in the study, a total of 69% had asymptomatic to mild neurocognitive impairment as assessed by the MoCA tool, while a total of 66% were determined as being adherent to ART by objective measures (by MPR) compared to subjective rates of 77% as assessed by SMAQ. However, no statistically significant association was observed between the presence of asymptomatic or mild neurocognitive impairment and likelihood of adherence to ART (p > 0.05) CONCLUSION: Even though asymptomatic and mild forms of cognitive impairment are prevalent in the population studied, there was no significant association between cognitive impairment and adherence to treatment.

https://doi.org/10.4102/sajhivmed.v19i1.674 418 downloads

12.

From an exasperated pathologist
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Mohanlal, Reena Dhansukh

SAMJ: South African Medical Journal

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Jan 2017, Volume 107 Nº 1 Páginas 13 - 13

Resumo: En | Texto: En | PDF: En

https://doi.org/10.7196/samj.2017.v107i1.12079 238 downloads

13.

Percepções de pacientes sobre infecções relacionadas à assistência à saúde e medidas de segurança
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Paiva, Miriam Cristina Marques da Silva de

; Gallasch, Cristiane Helena

; Lima, Silvana Andrea Molina

; Sitton-Kent, Lucy

; Devi, Reena

; Xyrichis, Andreas

Revista Enfermagem UERJ

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2017, Volume 25 elocation e27468

Resumo: En Es Pt | Texto: En Es Pt | PDF: En | PDF: Es | PDF: Pt

ABSTRACT Objectives to analyze data from qualitative studies of patient perceptions of measures to prevent and control healthcare-related infections and factors that contribute to their own safety. Method systematic review of publications from 2006 to 2016, followed by thematic synthesis by coding patients’ accounts and interpretations of findings given. Results six themes highlighted barriers to patients’ participating actively in promoting their own safety: insufficient information supply; poor comprehension; negative feelings; negative experiences; behavior of health care personnel; and factors that influence patient involvement. Conclusion the gap between patients’ understanding infection prevention and control measures and their becoming involved in the process point to a need for measures to foster effective communication, better care personnel-patient relations, and access to information that encourages patients to interact and contribute to health care.

RESUMEN Objetivos analizar estudios cualitativos sobre percepciones de los pacientes sobre las medidas de prevención y control de infecciones relacionadas al cuidado de la salud y factores que contribuyen a la propia seguridad. Método revisión sistemática de publicaciones, en el período entre 2006 y 2016, seguida de síntesis temática mediante la codificación de las declaraciones de pacientes que se encuentran en los manuscritos y las interpretaciones de los hallazgos. Resultados seis temas resaltaron las barreras a la participación activa del paciente en la promoción de su seguridad: información insuficiente; dificultad de comprensión; sentimientos negativos; experiencias negativas; comportamiento de los profesionales; y elementos que influyen a que el paciente se involucre. Conclusión La brecha entre la comprensión de las medidas de prevención y el control de infecciones por parte de los pacientes y su implicación en el proceso indica la necesidad de acciones que favorezcan una comunicación efectiva, mejores relaciones profesionales-paciente y acceso a la información que fomenten la interacción y la contribución a la atención segura.

RESUMO Objetivo analisar estudos qualitativos sobre percepções de pacientes relativos às medidas para prevenção e controle das infecções relacionadas à assistência à saúde e fatores que contribuem para a própria segurança. Método revisão sistemática de publicações do período entre 2006 e 2016, seguida por síntese temática por meio da codificação dos relatos de pacientes encontrados nos manuscritos e das interpretações dos achados. Resultados seis temas evidenciaram barreiras para a participação ativa do paciente na promoção de sua segurança, oferta insuficiente de informações; dificuldade de compreensão; sentimentos negativos; vivências negativas; comportamento dos profissionais; e elementos que influenciam o envolvimento do paciente. Conclusão a lacuna existente entre o entendimento das medidas de prevenção e controle de infecções pelos pacientes e seu envolvimento no processo indica a necessidade de ações que favoreçam comunicação eficaz, melhores relações profissionais-pacientes, e acesso a informações que incentivem a interação e contribuição para uma assistência segura.

https://doi.org/10.12957/reuerj.2017.27468 4 downloads

14.

Utility of multiplex real-time PCR in the diagnosis of extrapulmonary tuberculosis
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Raveendran, Reena

; Wattal, Chand

Brazilian Journal of Infectious Diseases

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Jun 2016, Volume 20 Nº 3 Páginas 235 - 241

Resumo: En | Texto: En | PDF: En

Abstract Objective The diagnosis of extrapulmonary tuberculosis is still a challenge because of its pauci-bacillary nature. The aim of the study was to evaluate the role of a multiplex PCR assay in the diagnosis of extrapulmonary tuberculosis and to compare the efficiency of two targets, IS6110 and MPB64 to detect Mycobacterium tuberculosis. Methods 150 extrapulmonary samples (61 pus/aspirate, 46 tissue, 32 body fluids, and 11 urine) from clinically suspected cases of tuberculosis were included in the study. All the samples were subjected to direct fluorescent microscopy, TB culture (BacT/ALERT 3D, biomerieux, Durham, North Carolina, USA) and a Multiplexed Tandem PCR targeting two mycobacterial DNA sequences, IS6110 and MPB64. Master-Mix reagents and primers were prepared by AusDiagnostics Pvt. Ltd (Alexandria, New South Wales, Australia). The performance of the assay was assessed using a composite gold standard, which included clinical characteristics, microbiology smear as well as culture, histopathology, cytology, radiology, and response to antitubercular therapy. Results 20.3%, 23.6%, and 45.3% of specimens were positive by smear, culture, and PCR, respectively. The sensitivity and specificity of the multiplex PCR was 91.9% and 88.4%, respectively, using the composite gold standard. Positive and negative predictive values of the PCR were estimated as 85.1% and 93.8%, respectively. Higher positivity was observed with target IS6110 (44.6%) as compared to target MPB64 (18.9%). The sensitivities of IS6110 and MPB64 individual targets were 90.3% and 64.5%, respectively, and specificities were 88.4% and 97.7%, respectively. Conclusion PCR can play an important role in rapid and accurate diagnosis of extrapulmonary tuberculosis. IS6110 alone is an effective target in our part of the country.

https://doi.org/10.1016/j.bjid.2016.01.006 1261 downloads

15.

An Empirical Evaluation of the Local Texture Description Framework-Based Modified Local Directional Number Pattern with Various Classifiers for Face Recognition
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Rose, R. Reena

; Meena, K.

; Suruliandi, A.

Brazilian Archives of Biology and Technology

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2016, Volume 59 Nº spe2 elocation e16161057

Resumo: En | Texto: En | PDF: En

ABSTRACT Texture is one of the chief characteristics of an image. In recent years, local texture descriptors have garnered attention among researchers in describing effective texture patterns to demarcate facial images. A feature descriptor titled Local Texture Description Framework-based Modified Local Directional Number pattern (LTDF_MLDN), capable of encoding texture patterns with pixels that lie at dissimilar regions, has been proposed recently to describe effective features for face images. However, the role of the descriptor can differ with different classifiers and distance metrics for diverse issues in face recognition. Hence, in this paper, an extensive evaluation of the LTDF_MLDN is carried out with an Extreme Learning Machine (ELM), a Support Vector Machine (SVM) and a Nearest Neighborhood Classifier (NNC) which uses Euclidian, Manhattan, Minkowski, G-statistics and chi-square dissimilarity metrics to illustrate differences in performance with respect to assorted issues in face recognition using six benchmark databases. Experimental results depict that the proposed descriptor is best suited with NNC for general case and expression variation, whereas, for the other facial variations ELM is found to produce better results.

https://doi.org/10.1590/1678-4324-2016161057 1163 downloads

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