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Extracellular vesicles are a late marker of inflammation, hypercoagulability and COVID-19 severity inflammation COVID19 COVID 19 COVID-1 COVID1 1 COVID-
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Barion, Barbara Gomes

; Rocha, Tania Rubia Flores da

; Ho, Yeh-Li

; Fonseca, Bruna de Moraes Mazetto

; Okazaki, Erica

; Rothschild, Cynthia

; Stefanello, Bianca

; Rocha, Vanderson Geraldo

; Villaça, Paula Ribeiro

; Orsi, Fernanda A.

Hematology, Transfusion and Cell Therapy

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2024, Volume 46 N. 2 Pages 176 - 185

Abstract: En | Text: En | PDF: En

ABSTRACT Exacerbated inflammation and coagulation are a hallmark of COVID-19 severity. Extracellular vesicles (EVs) are intercellular transmitters involved in inflammatory conditions, which are capable of triggering prothrombotic mechanisms. Since the release of EVs is potentially associated with COVID-19-induced coagulopathy, the aim of this study was to evaluate changes in inflammation- and hypercoagulability-related EVs during the first month after symptom onset and to determine whether they are associated with disease severity. Blood samples of patients with mild or severe forms of the disease were collected on three occasions: in the second, third and fourth weeks after symptom onset for the quantification by flow cytometry of CD41A (platelet glycoprotein IIb/IIIa), CD162 (PSGL-1), CD31 (PECAM-1) and CD142 cells (tissue factor). Analysis of variance (ANOVA) with repeated measures, Kruskal-Wallis and correlation tests were used. Eighty-five patients were enrolled, 71% of whom had mild disease. Seventeen uninfected individuals served as controls. Compared to controls, both mild and severe COVID-19 were associated with higher EV-CD31+, EV-CD41+ and EV-CD142+ levels. All EV levels were higher in severe than in mild COVID-19 only after the third week from symptom onset, as opposed to C-reactive protein and D-dimer levels, which were higher in severe than in mild COVID-19 earlier during disease progression. EV levels were also associated with C-reactive protein and D-dimer levels only after the third week of symptoms. In conclusion, EVs expressing CD41A, CD31, TF, and CD162 appear as late markers of COVID-19 severity. This finding may contribute to the understanding of the pathogenesis of acute and possibly long COVID-19. COVID19 COVID 19 COVID-1 severity (EVs conditions mechanisms COVID19induced COVIDinduced induced coagulopathy hypercoagulabilityrelated hypercoagulability related occasions second CDA CD A platelet IIb/IIIa, IIbIIIa IIb/IIIa , IIb IIIa IIb/IIIa) CD16 PSGL1, PSGL1 PSGL 1 (PSGL-1) CD3 PECAM1 PECAM (PECAM-1 CD14 tissue factor. factor . factor) ANOVA (ANOVA measures KruskalWallis Kruskal Wallis used Eightyfive Eighty five enrolled 71 controls EVCD31+, EVCD31 EVCD CD31+, EV-CD31+ EVCD41+ EVCD41 CD41+ CD41 EV-CD41 EVCD142+ EVCD142 CD142+ EV-CD142 Creactive C reactive Ddimer D dimer progression symptoms conclusion TF COVID19. 19. COVID1 COVID- CD1 (PSGL-1 (PECAM- 7 EVCD31+ EVCD3 CD31+ EV-CD31 EVCD4 CD4 EV-CD4 EVCD14 EV-CD14 (PSGL- (PECAM EV-CD3 EV-CD EVCD1 EV-CD1 (PSGL

https://doi.org/10.1016/j.htct.2023.12.003

Investigation of etiology of community-acquired pneumonia in hospitalized patients in a tertiary hospital of São Paulo City, Brazil communityacquired community acquired City
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Joelsons, Daniel

; Alencar, Cecília Salete

; Pinho, João Renato Rebello

; Ho, Yeh-Li

Brazilian Journal of Infectious Diseases

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2023, Volume 27 N. 6 elocation 103690

Abstract: En | Text: En | PDF: En

Abstract Background Community-Acquired Pneumonia (CAP) is the primary cause of hospitalization in the United States and the third leading cause of death in Brazil. The gold standard for diagnosing the etiology of CAP includes blood culture, Gram-stained sputum, and sputum culture. However, these methods have low sensitivity. No studies investigating the etiology of CAP have been conducted in Brazil in the last 20-years, and the empirical choice of antimicrobials is mainly based on the IDSA guidelines. This is the first national study with this aim, and as a result, there's potential for the Brazilian consensus to be impacted and possibly modify its guidelines rather than adhering strictly to the IDSA's recommendations. Methods The aim of this study is to identify the main microorganisms implicated in CAP by employing a multiplex Polymerase Chain Reaction (mPCR) at the foremost public hospital in Brazil. All patients who were admitted to the emergency department and diagnosed with severe CAP underwent an mPCR panel using nasopharyngeal and oropharyngeal swabs, with the aim of detecting 13 bacterial and 21 viral pathogens. Results A total of 169 patients were enrolled in the study. The mPCR panel identified an etiological agent in 61.5% of patients, with viruses being the most common (42.01%), led by Rhinovirus, followed by Influenza and Coronavirus (non-SARS-CoV-2). Bacterial agents were identified in 34.91% of patients, with S. pneumoniae being the most common, followed by H. influenzae, M. catarrhalis, and S. aureus. Additionally, we found that the prescription for 92.3% of patients could be modified, with most changes involving de-escalation of antibiotics and antiviral therapy. Conclusion Our study revealed different etiological causes of CAP than those suggested by the Brazilian guidelines. Using molecular diagnostic tests, we were able to optimize treatment by using fewer antibiotics. CommunityAcquired Community Acquired (CAP culture Gramstained Gram stained However sensitivity 20years, 20years years 20 years, 20-years result theres there s IDSAs recommendations (mPCR swabs 1 2 pathogens 16 615 61 5 61.5 42.01%, 4201 42.01% , 42 01 (42.01%) Rhinovirus nonSARSCoV2. nonSARSCoV2 nonSARSCoV non SARS CoV . (non-SARS-CoV-2) 3491 34 91 34.91 S H influenzae M catarrhalis aureus Additionally 923 92 3 92.3 modified deescalation de escalation therapy tests 6 61. 420 42.01 4 0 (42.01% (non-SARS-CoV-2 349 9 34.9 92. 42.0 (42.01 (non-SARS-CoV- 34. 42. (42.0 (non-SARS-CoV (42. (42 (4 (

https://doi.org/10.1016/j.bjid.2023.103690

Flexible broncoscopy in patients in supportive therapy with oxygenation by extracorporeal membrane
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Redivo, Camila França

; Lima, Evelise

; Ferreira, Anarégia de Pontes

; Scordamaglio, Paulo Rogério

; Campos, Silvia Vidal

; Ho, Yeh-Li

; Rodrigues, Ascédio José

einstein (São Paulo)

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2022, Volume 20 elocation eAO6666

Abstract: En | Text: En | PDF: En

ABSTRACT Objective: To report the experience of performing bronchoscopy in patients who underwent supportive therapy with extracorporeal membrane oxygenation in whom the bronchoscopy was performed. Methods: This was a review of medical records of patients diagnosed with extracorporeal membrane oxygenation and who required diagnostic or therapeutic bronchoscopy. Records included were related to patients admitted to the intensive care unit of Hospital das Clínicas of Faculdade de Medicina of Universidade de São Paulo, between 2014 and 2020. Results: During the study, 16 bronchoscopies were performed in 8 patients admitted to the intensive care unit and who underwent supportive therapy with extracorporeal membrane oxygenation. The mean age of patients was 28.37 years. Four patients were women (50%). A total of 5 (31.25%) therapeutic bronchoscopies and 11 (68.75%) diagnostics were performed. In 5 of patients, material was collected: 4 samples of bronchoalveolar lavage, three collections of transbronchial biopsies, and 1 of endobronchial biopsies. No patient had radiological worsening or hemodynamic complications. One patient (6.25%) had transient desaturation. There was moderate bleeding after transbronchial biopsy in 1 (6.25%) procedure, which was resolved endoscopically. Conclusion: Patients undergoing extracorporeal membrane oxygenation can safely perform diagnostic or therapeutic bronchoscopy provided that they have a detailed indication. Procedures were performed by a specialized bronchoscopy team in intensive care environment and with the assistance of a qualified multidisciplinary team in membrane oxygenation therapy extracorporeal.

https://doi.org/10.31744/einstein_journal/2022ao6666

Hospital readmissions and emergency department re-presentation of COVID-19 patients: a systematic review
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Peiris, Sasha

; Nates, Joseph L.

; Toledo, Joao

; Ho, Yeh-Li

; Sosa, Ojino

; Stanford, Victoria

; Aldighieri, Sylvain

; Reveiz, Ludovic

Revista Panamericana de Salud Pública

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2022, Volume 46 elocation e142

Abstract: Es En Pt | Text: Es En Pt | PDF: Es | PDF: En | PDF: Pt

RESUMEN Objetivo. Caracterizar la frecuencia, las causas y los factores predictores del reingreso de pacientes con COVID–19 tras haber recibido el alta de un centro de salud o un servicio de urgencias, las intervenciones utilizadas para reducir los reingresos y los resultados de los pacientes con COVID-19 dados de alta de dichos entornos. Métodos. Se realizó una revisión sistemática de estudios de serie de casos y estudios observacionales publicados entre enero del 2020 y abril del 2021 en PubMed, Embase, LILACS y MedRxiv en los cuales se informó sobre la frecuencia, las causas o los factores de riesgo relativos al reingreso de pacientes y sobrevivientes de COVID-19. Se realizó una síntesis narrativa y se evaluó la calidad metodológica utilizando la lista de verificación de evaluación crítica de JBI. Resultados. Se encontraron 44 estudios con datos de 10 países. La tasa media general de reingreso a los 30 días fue de 7,1%. Los reingresos variaron con la duración del seguimiento, y tuvieron lugar en <10,5%, <14,5%, <21,5% y <30%, respectivamente, a los 10, 30, 60 y 253 días después del alta. Entre los que recibieron seguimiento por 30 y 60 días, el tiempo medio entre el alta y la readmisión fue de 3 y de 8 a 11 días, respectivamente. El factor de riesgo significativo asociado al reingreso fue una estancia más corta, y entre las causas importantes se encontraron episodios respiratorios o tromboembólicos y enfermedades crónicas. El reingreso en el servicio de urgencias fue de >20% en cuatro estudios. Los factores de riesgo asociados con la mortalidad fueron sexo masculino, edad avanzada y comorbilidades. Conclusión. El reingreso de sobrevivientes de COVID-19 es frecuente, y la mortalidad después del alta es significativa en grupos poblacionales específicos. Existe una necesidad urgente de seguir examinando las razones subyacentes del reingreso temprano, así como de prevenir reingresos adicionales y resultados adversos en los sobrevivientes de COVID–19.

ABSTRACT Objective. To characterize the frequency, causes, and predictors of readmissions of COVID-19 patients after discharge from heath facilities or emergency departments, interventions used to reduce readmissions, and outcomes of COVID-19 patients discharged from such settings. Methods. We performed a systematic review for case series and observational studies published between January 2020 and April 2021 in PubMed, Embase, LILACS, and MedRxiv, reporting the frequency, causes, or risk factors for readmission of COVID-19 survivors/patients. We conducted a narrative synthesis and assessed the methodological quality using the JBI critical appraisal checklist. Results. We identified 44 studies including data from 10 countries. The overall 30-day median readmission rate was 7.1%. Readmissions varied with the length of follow-up, occurring <10.5%, <14.5%, <21.5%, and <30%, respectively, for 10, 30, 60, and 253 days following discharge. Among those followed up for 30 and 60 days, the median time from discharge to readmission was 3 days and 8–11 days, respectively. The significant risk factor associated with readmission was having shorter length of stay, and the important causes included respiratory or thromboembolic events and chronic illnesses. Emergency department re-presentation was >20% in four studies. Risk factors associated with mortality were male gender, advanced age, and comorbidities. Conclusions. Readmission of COVID-19 survivors is frequent, and post-discharge mortality is significant in specific populations. There is an urgent need to further examine underlying reasons for early readmission and to prevent additional readmissions and adverse outcomes in COVID-19 survivors.

RESUMO Objetivo. Caracterizar a frequência, as causas e os preditores de reinternação de pacientes com COVID-19 após a alta do estabelecimento de saúde ou do pronto-socorro, intervenções usadas para reduzir reinternações e desfechos de pacientes com COVID-19 que receberam alta de tais instalações. Métodos. Revisão sistemática de séries de casos e estudos observacionais publicados entre janeiro de 2020 e abril de 2021, indexados nos bancos de dados PubMed, Embase, LILACS e MedRxiv, que relatassem a frequência, as causas ou os fatores de risco para a reinternação de sobreviventes da COVID-19/pacientes com COVID-19. Realizamos uma síntese narrativa das evidências e avaliamos a qualidade metodológica utilizando a checklist de avaliação crítica do Joanna Briggs Institute (JBI). Resultados. Foram identificados 44 estudos, incluindo dados de 10 países. O índice médio geral de reinternação em 30 dias foi de 7,1%. A frequência das reinternações variou com o tempo de acompanhamento, com <10,5%, <14,5%, <21,5% e <30%, respectivamente, ocorrendo nos primeiros 10, 30, 60 e 253 dias após a alta. Dentre aqueles seguidos por 30 e 60 dias, o tempo médio da alta até a reinternação foi de 3 dias e 8 a 11 dias, respectivamente. O único fator de risco significativamente associado à reinternação foi ter um tempo de permanência hospitalar mais curto, e as causas importantes incluíram eventos respiratórios ou tromboembólicos e doenças crônicas. Em quatro estudos, >20% dos pacientes retornaram ao pronto-socorro. Os fatores de risco associados à mortalidade foram sexo masculino, idade avançada e comorbidades. Conclusões. A reinternação hospitalar é frequente em sobreviventes da COVID-19 e a mortalidade pós-alta é significativa em populações específicas. Há uma necessidade urgente de examinar melhor as razões que levam à reinternação precoce e de evitar reinternações adicionais e desfechos adversos em sobreviventes da COVID-19.

https://doi.org/10.26633/rpsp.2022.142

COVID-19: what have we learned?
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Ho, Yeh-Li

; Miethke-Morais, Anna

Jornal Brasileiro de Pneumologia

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2020, Volume 46 N. 3 elocation e20200216

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

https://doi.org/10.36416/1806-3756/e20200216 1205 downloads

Characteristics and outcomes of patients with COVID-19 admitted to the ICU in a university hospital in São Paulo, Brazil - study protocol
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Ferreira, Juliana C.

; Ho, Yeh-Li

; Besen, Bruno A.M.P.

; Malbuisson, Luiz M.S.

; Taniguchi, Leandro U.

; Mendes, Pedro V.

; Costa, Eduardo L.V.

; Park, Marcelo

; Daltro-Oliveira, Renato

; Roepke, Roberta M.L.

; Silva Jr, João M.

; Carmona, Maria José C.

; Carvalho, Carlos Roberto Ribeiro

; Hirota, Adriana

; Kanasiro, Alberto Kendy

; Crescenzi, Alessandra

; Fernandes, Amanda Coelho

; Miethke-Morais, Anna

; Bellintani, Arthur Petrillo

; Canasiro, Artur Ribeiro

; Carneiro, Bárbara Vieira

; Zanbon, Beatriz Keiko

; Batista, Bernardo Pinheiro De Senna Nogueira

; Nicolao, Bianca Ruiz

; Besen, Bruno Adler Maccagnan Pinheiro

; Biselli, Bruno

; Macedo, Bruno Rocha De

; Toledo, Caio Machado Gomes De

; Pompilio, Carlos Eduardo

; Carvalho, Carlos Roberto Ribeiro De

; Mol, Caroline Gomes

; Stipanich, Cassio

; Bueno, Caue Gasparotto

; Garzillo, Cibele

; Tanaka, Clarice

; Forte, Daniel Neves

; Joelsons, Daniel

; Robira, Daniele

; Costa, Eduardo Leite Vieira

; Silva Júnior, Elson Mendes Da

; Regalio, Fabiane Aliotti

; Segura, Gabriela Cardoso

; Marcelino, Gustavo Brasil

; Louro, Giulia Sefrin

; Ho, Yeh-Li

; Ferreira, Isabela Argollo

; Gois, Jeison de Oliveira

; Silva Junior, Joao Manoel Da

; Reusing Junior, Jose Otto

; Ribeiro, Julia Fray

; Ferreira, Juliana Carvalho

; Galleti, Karine Vusberg

; Silva, Katia Regina

; Isensee, Larissa Padrao

; Oliveira, Larissa dos Santos

; Taniguchi, Leandro Utino

; Letaif, Leila Suemi

; Lima, Lígia Trombetta

; Park, Lucas Yongsoo

; Chaves Netto, Lucas

; Nobrega, Luciana Cassimiro

; Haddad, Luciana

; Hajjar, Ludhmila

; Malbouisson, Luiz Marcelo

; Pandolfi, Manuela Cristina Adsuara

; Park, Marcelo

; Carmona, Maria José Carvalho

; Andrade, Maria Castilho Prandini H De

; Santos, Mariana Moreira

; Bateloche, Matheus Pereira

; Suiama, Mayra Akimi

; Oliveira, Mayron Faria de

; Sousa, Mayson Laercio

; Louvaes, Michelle

; Huemer, Natassja

; Mendes, Pedro

; Lins, Paulo Ricardo Gessolo

; Santos, Pedro Gaspar Dos

; Moreira, Pedro Ferreira Paiva

; Guazzelli, Renata Mello

; Reis, Renato Batista Dos

; Oliveira, Renato Daltro De

; Roepke, Roberta Muriel Longo

; Pedro, Rodolpho Augusto De Moura

; Kondo, Rodrigo

; Rached, Samia Zahi

; Fonseca, Sergio Roberto Silveira Da

; Borges, Thais Sousa

; Ferreira, Thalissa

; Cobello Junior, Vilson

; Sales, Vivian Vieira Tenório

; Ferreira, Willaby Serafim Cassa

Clinics

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2020, Volume 75 elocation e2294

Abstract: En | Text: En | PDF: En

OBJECTIVES: We designed a cohort study to describe characteristics and outcomes of patients with coronavirus disease (COVID-19) admitted to the intensive care unit (ICU) in the largest public hospital in Sao Paulo, Brazil, as Latin America becomes the epicenter of the pandemic. METHODS: This is the protocol for a study being conducted at an academic hospital in Brazil with 300 adult ICU beds dedicated to COVID-19 patients. We will include adult patients admitted to the ICU with suspected or confirmed COVID-19 during the study period. The main outcome is ICU survival at 28 days. Data will be collected prospectively and retrospectively by trained investigators from the hospital’s electronic medical records, using an electronic data capture tool. We will collect data on demographics, comorbidities, severity of disease, and laboratorial test results at admission. Information on the need for advanced life support and ventilator parameters will be collected during ICU stay. Patients will be followed up for 28 days in the ICU and 60 days in the hospital. We will plot Kaplan-Meier curves to estimate ICU and hospital survival and perform survival analysis using the Cox proportional hazards model to identify the main risk factors for mortality. ClinicalTrials.gov: NCT04378582. RESULTS: We expect to include a large sample of patients with COVID-19 admitted to the ICU and to be able to provide data on admission characteristics, use of advanced life support, ICU survival at 28 days, and hospital survival at 60 days. CONCLUSIONS: This study will provide epidemiological data about critically ill patients with COVID-19 in Brazil, which could inform health policy and resource allocation in low- and middle-income countries.

https://doi.org/10.6061/clinics/2020/e2294 1957 downloads

Lipase and factor V (but not viral load) are prognostic factors for the evolution of severe yellow fever cases
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Casadio, Luciana Vilas Boas

; Salles, Ana Paula Moreira

; Malta, Fernanda de Mello

; Leite, Gabriel Fialkovitz

; Ho, Yeh-Li

; Gomes-Gouvêa, Michele Soares

; Malbouisson, Luiz Marcelo Sá

; Levin, Anna S

; de Azevedo Neto, Raymundo Soares

; Carrilho, Flair José

; Nastri, Ana Catharina Seixas Santos

; Pinho, João Renato Rebello

Memórias do Instituto Oswaldo Cruz

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2019, Volume 114 elocation e190033

Abstract: En | Text: En | PDF: En

BACKGROUND Despite a highly efficacious vaccine, yellow fever (YF) is still a major threat in developing countries and a cause of outbreaks. In 2018, the Brazilian state of São Paulo witnessed a new YF outbreak in areas where the virus has not been detected before. OBJECTIVE The aim is to describe the clinical and laboratorial characteristics of severe cases of YF, evaluate viral to determine markers associated with fatal outcome. METHODS Acute severe YF cases (n = 62) were admitted to the Intensive Care Unit of a reference hospital and submitted to routine laboratorial evaluation on admission. YFV-RNA was detected in serum and urine by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and then sequenced. Patients were classified in two groups: survival or death. FINDINGS In the univariate analysis the following variables were associated with outcome: alanin aminotransferase (ALT), aspartat aminotransferase (AST), AST/ALT ratio, total bilirubin (TB), chronic kidney disease epidemiology collaboration (CKD-EPI), ammonia, lipase, factor V, international normalised ratio (INR), lactate and bicarbonate. Logistic regression model showed two independent variables associated with death: lipase [odds ratio (OR) 1.018, 95% confidence interval (CI) 1.007 to 1.030, p = 0.002], and factor V (OR -0.955, 95% CI 0.929 to 0.982, p = 0.001). The estimated lipase and factor V cut-off values that maximised sensitivity and specificity for death prediction were 147.5 U/L [area under the curve (AUC) = 0.879], and 56.5% (AUC = 0.913). MAIN CONCLUSIONS YF acute severe cases show a generalised involvement of different organs (liver, spleen, heart, kidneys, intestines and pancreas), and different parameters were related to outcome. Factor V and lipase are independent variables associated with death, reinforcing the importance of hemorrhagic events due to fulminant liver failure and pointing to pancreatitis as a relevant event in the outcome of the disease.

https://doi.org/10.1590/0074-02760190033 1354 downloads

Infection and immune-mediated meningococcal-associated arthritis: combination features in the same patient
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Ibrahim, Karim Yaqub

; Carvalho, Noemia Barbosa

; Moura, Maria Luisa do Nascimento

; Piza, Felipe Maia de Toledo

; Mimicos, Evanthia Vetos

; Ho, Yeh-Li

; França, Francisco Oscar de Siqueira

Revista do Instituto de Medicina Tropical de São Paulo

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apr 2012, Volume 54 N. 2 Pages 109 - 112

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Paciente de 16 anos do sexo masculino apresentou-se ao serviço de emergência com quadro de erupção cutânea súbita, artrite e meningite por Neisseria meningitidis, uma semana após apresentar sintomas de infecção de vias aéreas superiores. No décimo dia de tratamento, seguido da melhora clínica neurológica e da artrite, ele volta a apresentar derrame articular moderado com limitação importante da amplitude dos movimentos passivo e ativo secundária à dor. Em seguida, foi submetido à drenagem cirúrgica e a análise do líquido sinovial mostra características inflamatórias. Foi iniciado tratamento com antiinflamatório não esteroidal por cinco dias com melhora completa dos sintomas. Esse caso tem como característica peculiar o fato do indivíduo apresentar tanto as características de artrite séptica pelo meningococo quanto de artrite imunomediada, o que tem sido pouco usual no mesmo paciente.

We present a case of a 16-year-old male patient with sudden-onset, rash, arthritis and meningitis by Neisseria meningitidis one week after an acute upper respiratory infection. On the 10th day of treatment followed by neurological and arthritis clinical improvement, he presented once again a tender and swollen left knee with a moderate effusion, and active and passive range of motion was severely limited secondary to pain, and when he was submitted to surgical drainage and synovial fluid analysis he showed inflammatory characteristics. A non-steroidal anti-inflammatory drug was taken for five days with complete improvement of symptoms. The case is notable for its combination of features of septic and immune-mediated arthritis, which has rarely been reported in the same patient.

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Letalidade e complicações osteomusculares e cardiovasculares no tétano
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Santos, Sigrid de Sousa dos

; Barreto, Soraya Mena

; Ho, Yeh-Li

Revista Brasileira de Terapia Intensiva

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dec 2011, Volume 23 N. 4 Pages 434 - 441

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

OBJETIVO: A despeito do declínio em sua incidência, o tétano ainda é uma doença negligenciada nos países em desenvolvimento, permanecendo como causa importante de morbidade e mortalidade. Atualmente, com o aperfeiçoamento dos cuidados de terapia intensiva, torna-se importante conhecer melhor as complicações dessa grave condição. Este estudo visa avaliar a letalidade e complicações cardiovasculares e osteomusculares de pacientes com diagnóstico de tétano internados em unidade de terapia intensiva e os fatores associados ao pior prognóstico. MÉTODOS: Este foi um estudo retrospectivo realizado por meio da análise de prontuários médicos de pacientes com diagnóstico de tétano admitidos em unidade de terapia intensiva, de janeiro de 2000 a dezembro de 2001. Foram colhidas informações demográficas, clínicas e laboratoriais por meio de um questionário padrão. São descritas as variáveis relacionadas à letalidade, complicações cardiovasculares e osteomusculares. RESULTADOS: No período do estudo foram internados 22 pacientes com tétano, sendo 81,8% homens, com média de idade de 47,8 anos. O tétano era associado a atividades profissionais em 54,5% dos casos. A maioria dos pacientes desenvolveu a forma generalizada da doença (20 pacientes); em 81% dos casos, os pacientes nunca haviam recebido vacina antitetânica ou desconheciam sua situação vacinal. Após o ferimento, nenhum paciente recebeu profilaxia passiva apropriada e apenas dois foram submetidos a debridamento cirúrgico do foco, enquanto seis pacientes receberam antibioticoterapia. Onze pacientes (52,4%) desenvolveram alguma complicação cardiovascular. Úlcera de pressão foi a complicação cardiovascular mais freqüente (38,1%), seguida por arritmias (28,6%). Dois pacientes desenvolveram fraturas ósseas secundárias ao espasmo tetânico, correspondendo a 9,6% da amostra. A letalidade do tétano foi de 9,1%. Escore de APACHE II alto e forma gravíssima na classificação de tétano de Veronesi se associaram a maior risco de óbito (p=0,04 e 0,03, respectivamente). A classificação de Veronesi também se associou ao risco de complicações cardiovasculares (p=0,013) assim como a um maior tempo de permanência na unidade de terapia intensiva (p=0,009). CONCLUSÃO: O presente estudo demonstra falha na atenção primária à saúde em termos de cobertura vacinal e profilaxia do tétano pós-traumático em adultos. Apesar do aprimoramento do suporte intensivo, as complicações cardiovasculares ainda são freqüentes nesses pacientes. Indivíduos com alto escore APACHE II e forma clínica gravíssima precisam ser cuidadosamente monitorizados devido ao maior risco de óbito e de complicações cardiovasculares.

OBJECTIVE: Despite the decline in the incidence of tetanus, this disease is still neglected in the developing world and remains a major cause of morbidity and mortality. With improvements in intensive care, it is important to better understand the complications of this serious condition. We aim to evaluate 1) the lethality and osteomuscular and cardiovascular complications of patients with tetanus who are admitted to the intensive care unit (ICU) and 2) the risk factors associated with a poor prognosis. METHODS: This was a retrospective study that analyzed the medical records of all of the patients diagnosed with tetanus who were admitted to an infectious diseases ICU between January 2000 and December 2001. A standardized form that included demographic, clinical and laboratory data was completed. The clinical variables that were related to lethality and osteomuscular and cardiovascular complications were described. RESULTS: A total of 22 tetanus patients were admitted (81.8% male, mean age of 47.8 years).The tetanus infection was associated with professional activities in 54.5% of cases. The majority of patients (20 patients) presented with the generalized form of disease. Eighty-one percent of the patients had never received a tetanus vaccine or were unaware of their vaccine status. Following the injury, none had received appropriated passive prophylaxis, only two patients had received surgical debridement of wound and six patients received antibiotic therapy. Eleven patients (52.4%) experienced some cardiovascular complication. A pressure ulcer was the most frequent cardiovascular complication (38.1%), followed by arrhythmias (28.6%). Two of the patients developed bone fractures secondary to tetanus spasms, corresponding to 9.6% of sample. The tetanus lethality rate was 9.1%. Higher APACHE II severity scores and very severe status based on the Veronesi tetanus classification were significantly associated with the risk of death (p=0.04 and 0.03, respectively). The Veronesi classification was also associated with the risk of cardiovascular complications (p=0.013) and the length of the ICU stay (p=0.009). CONCLUSION: The present study demonstrates the failure of primary medical care in vaccination and post-traumatic tetanus prophylaxis. Despite improvements in intensive care support, cardiovascular complications are still frequent in these patients. Individuals exhibiting high APACHE II scores and severe clinical forms of tetanus should be monitored closely due to a risk of death and cardiovascular complications.

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Diretrizes para o manejo do tétano acidental em pacientes adultos
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Lisboa, Thiago

; Ho, Yeh-Li

; Henriques Filho, Gustavo Trindade

; Brauner, Janete Salles

; Valiatti, Jorge Luis dos Santos

; Verdeal, Juan Carlos

; Machado, Flavia Ribeiro

Revista Brasileira de Terapia Intensiva

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dec 2011, Volume 23 N. 4 Pages 394 - 409

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

O tétano acidental, a despeito de ser uma doença prevenível por imunização, ainda é frequente nos países subdesenvolvidos e em desenvolvimento. Sua letalidade ainda é elevada e os estudos sobre a melhor forma de tratamento são escassos. Tendo em vista esta escassez e a importância clínica dessa doença, um grupo de especialistas reunidos pela Associação de Medicina Intensiva Brasileira (AMIB), desenvolveu recomendações baseadas na melhor evidencia disponível para o manejo do tétano no paciente necessitando cuidados intensivos. As recomendações incluem aspectos relativos à admissão do paciente tetânico na unidade de terapia intensiva, tratamento com imunoglobulinas, tratamento antibiótico, manejo da analgossedação e bloqueio neuromuscular, manejo da disautonomia e especificidades na ventilação mecânica e fisioterapia nesta população especial.

Although tetanus can be prevented by appropriate immunization, accidental tetanus continues to occur frequently in underdeveloped and developing countries. Tetanus mortality rates remain high in these areas, and studies regarding the best therapy for tetanus are scarce. Because of the paucity of data on accidental tetanus and the clinical relevance of this condition, the Associação de Medicina Intensiva Brasileira (AMIB) organized a group of experts to develop these guidelines, which are based on the best available evidence for the management of tetanus in patients requiring admission to the intensive care unit. The guidelines discuss the management of tetanus patients in the intensive care unit, including the use of immunoglobulin therapy, antibiotic therapy, management of analgesics, sedation and neuromuscular blockade, management of dysautonomia and specific issues related to mechanical ventilation and physiotherapy in this population.

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