Tony Tannous Tahan

ORCID: 0000-0003-2476-8519
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About
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Research Areas
  • HIV/AIDS Research and Interventions
  • Tuberculosis Research and Epidemiology
  • Cytomegalovirus and herpesvirus research
  • HIV/AIDS oral health manifestations
  • Science and Education Research
  • Viral gastroenteritis research and epidemiology
  • Parvovirus B19 Infection Studies
  • HIV-related health complications and treatments
  • Hepatitis Viruses Studies and Epidemiology
  • Adolescent Sexual and Reproductive Health
  • Diagnosis and treatment of tuberculosis
  • HIV Research and Treatment
  • Immunodeficiency and Autoimmune Disorders
  • Hepatitis B Virus Studies
  • Pneumonia and Respiratory Infections
  • Autoimmune and Inflammatory Disorders
  • Infective Endocarditis Diagnosis and Management
  • Bacterial Infections and Vaccines
  • Sarcoidosis and Beryllium Toxicity Research
  • Child Nutrition and Feeding Issues
  • Neurological Complications and Syndromes
  • CNS Lymphoma Diagnosis and Treatment
  • Syphilis Diagnosis and Treatment
  • Amoebic Infections and Treatments
  • Infant Development and Preterm Care

Hospital de Clínicas Universidade Federal do Paraná
2007-2024

Universidade Federal do Paraná
2001-2023

Universidade Federal de Uberlândia
2022

National Education and Research Network
2020

The aim of the study was to detect neurological abnormalities in human immunodeficiency virus (HIV) infected children. This achieved by a prospective evaluation, from November/1995 April/2000, 43 HIV children (group I) and 40 seroreverters II) through exam neurodevelopmental tests: Denver Developmental Screening Test (DDST) Clinical Adaptive Test/Clinical Linguistic Auditory Milestone Scale (CAT/CLAMS). A control group (III), 67 children, were evaluated CAT/CLAMS. Hyperactivity, irritability...

10.1590/s0004-282x2001000500007 article EN cc-by-nc Arquivos de Neuro-Psiquiatria 2001-09-01

This study evaluated the degree of neurological compromise in HIV-infected children accompanied by outpatient clinic infectious diseases and pediatric neurology Clinical Hospital Federal University Paraná (UFPR) starting 1995. Long-term progressive prospective cross sectional 88 infected HIV 84 seroreverter children, using data from general examinations, neuroimaging procedures (brain CT scan) neurodevelopmental tests (CAT/CLAMS DENVER I II). Neurological alterations were found 82% patients...

10.1590/s1413-86702006000500004 article EN cc-by-nc-nd The Brazilian Journal of Infectious Diseases 2006-10-01

To describe the epidemiological situation of tuberculosis in children under 19 years age Brazil and to review latest publications on disease risk, diagnosis, treatment, prevention. Notifiable Diseases Information System (2018), World Health Organization estimates, PubMed articles selected using descriptor "Tuberculosis," delimited by type study, period, age, language. In 2018, Brazil, 9.4% notifications were years. The pulmonary form predominated 80.1% cases. cure rate was 76.8%, lethality...

10.1016/j.jpedp.2019.11.002 article PT cc-by-nc-nd Jornal de Pediatria (Versão em Português) 2020-03-01

OBJECTIVES: To determine the seroprevalence of hepatitis A (HAV) in children and adolescents aged 1 to 14 years, identify factors associated with a history infection. METHOD: This was cross-sectional epidemiological study, conducted form February August 2006 city Curitiba, Parana, Brazil, surrounding municipalities (Greater Curitiba). Laboratory analysis comprised qualitative assay for total HAV antibodies whole blood samples. RESULTS: 901 were recruited study. Age distribution as follows: 4...

10.1590/s0021-75572011000500009 article EN DOAJ (DOAJ: Directory of Open Access Journals) 2011-10-01

ABSTRACT Objective: To identify the most effective form of contact, as a possible intervention to reduce absenteeism in consultations children with suspected or confirmed pulmonary tuberculosis. Methods: A randomized clinical trial was conducted prospective data collection, between March 2017 and February 2018. Patients were into three groups be reminded about appointment: telephone SMS WhatsApp, no intervention. convenience sample obtained, significance level 5%. Results: 78 included,...

10.1590/1984-0462/2020/38/2018313 article EN cc-by Revista Paulista de Pediatria 2020-01-01

Cerebral aneurysmal arteriopathy of the circle Willis is an uncommon manifestation acquired human immunodeficiency virus (HIV) infection and up to now only 15 cases have been published in literature. For this reason we add our experience rare case, review most important aspects related entity. The patient a 6 year old male with perinatal transmitted AIDS, tetraparethic, developed symptoms characterized by episodes dystonic postures. computed tomography brain showed aneurismal Willis. He had...

10.1590/s0004-282x2001000300026 article EN cc-by-nc Arquivos de Neuro-Psiquiatria 2001-06-01

Fungal peritonitis is frequent on peritoneal dialysis, with rare cases by Exophiala dermatitidis. A 25-month-old female admitted to the pediatric ICU acute renal failure was submitted dialysis. After 10 days patient presented fever. Peritoneal fluid culture showed yeast colonies molecularly identified as E. Patient treated voriconazole and hemodialysis. The literature reviewed. Disseminated infections are frequently fatal, but appropriate diagnose therapeutic led cure in this case.

10.1016/j.mmcr.2019.02.001 article EN cc-by-nc-nd Medical Mycology Case Reports 2019-02-15

Changes in immune system functions are one of the most important consequences human immunodeficiency virus (HIV) infection. Studies have reported a higher prevalence disease mediated by immunological hypersensitivity mechanisms HIV-positive patients. This study aims to observe how changes HIV-infected children interfere atopy determinants. Fifty-seven were studied between June 2004-August 2005 evaluate possible modifications diagnosis from prick test environmental allergen reactivity....

10.1590/s0074-02762010000300008 article EN Memórias do Instituto Oswaldo Cruz 2010-05-01

To analyze the effectiveness, safety, outcomes, and associated factors of tuberculosis preventive treatment (TPT) in children adolescents Paraná, southern Brazil.This was an observational cohort study with a retrospective collection secondary data from TPT information systems state Paraná 2009 to 2016, Brazil 2018.In total, 1,397 people were included. In 95.4% individuals, indication for history patient-index contact pulmonary tuberculosis. Isoniazid used 99.9% cases TPT, 87.7% completed...

10.1016/j.jped.2023.02.002 article EN cc-by-nc-nd Jornal de Pediatria 2023-03-06

An 18 month old female, with a history of perinatally acquired HIV infection, treated estavudine, lamivudine and ritonavir, was CDC immunological category 3 (T CD4+ lymphocytes: 467/μl), clinical had viral load log10 5.0. The child presented painless erythematous lesions, which blanched under pressure, in the periungual …

10.1136/adc.2006.113993 article EN Archives of Disease in Childhood 2007-05-22

Objetivos: avaliar o perfil das crianças expostas intraútero ao HIV, nascidas em hospital terciário do Sul Brasil, descrever a prevalência de classificadas como alto risco e taxa transmissão vertical nessa população. Metodologia: estudo analítico-observacional transversal. Incluídas todas as 2019 2020, no Hospital Clínicas da Universidade Federal Paraná. Dados foram coletados nos sistemas operacionais hospital, prontuários físicos SISCEL. Estudo aprovado pelo comitê ética hospital....

10.25060/residpediatr-2024.v14n1-942 article PT cc-by Residência Pediátrica 2024-01-01

The aim of this study was to evaluate the concordance between two versions scoring system (2011 and 2019), recommended by Brazilian Ministry Health, for diagnosis pulmonary tuberculosis (PTB) in children adolescents. A retrospective descriptive performed assess medical records adolescents with PTB, TB units from cities located Rio de Janeiro, Minas Gerais, Parana States, January 1 st , 2004, December 2018. Patients aged 0 18 years old a PTB were included. comparison systems showed moderate...

10.1590/s1678-9946202062081 article EN Revista do Instituto de Medicina Tropical de São Paulo 2020-01-01

A Residência Pediátrica (RP) é uma revista eletrônica trimestral, em publicação contínua, da Sociedade Brasileira de Pediatria (SBP), disponível português e inglês, destinada aos médicos residentes nossa especialidade, áreas afins pediatras. O conteúdo pode ser acessado livremente. missão RP contribuir para a formação acadêmica dos incentivá-los participação ativa na produção científica sobre temas pediátricos relacionados à adolescência.

10.25060/residpediatr-2018.v8n1-03 article PT cc-by Residência Pediátrica 2018-04-01

RESUMO – Racional: O impacto da infeção congênita e perinatal pelo CMV na saúde pública é muito relevante, sendo a infecção mais predominante, porém pouco abordada. Objetivos: Avaliar o perfil dos pacientes com diagnóstico positivo para por citomegalovírus. Métodos: Estudo observacional, analítico, transversal, coleta de dados retrospectiva. Os foram obtidos segundo critérios demográficos, imunológicos, virológicos, terapêuticos análise exames imagem.Resultados: Foram coletados 35 que...

10.55684/79.2.1655 article PT cc-by-nc-nd REVISTA MÉDICA DO PARANÁ 2022-06-30

INTRODUCTION: Developing an approach protocol for COVID-19 in pediatrics is a great challenge, since the current recommendations are much more based on reality evidenced by cases adults. However, that assists management of suspected and confirmed pediatric units can be useful, despite fact most severe respiratory children have other viruses as their main etiology. OBJECTIVES: To suggest systematic practical to new coronavirus pandemic. RESULTS: Systematize, from organization space...

10.25060/residpediatr-2021.v11n1-441 article EN cc-by Residência Pediátrica 2021-01-01

Introduction: Children living with HIV/AIDS require specialized care. Objective: To describe clinical and epidemiological characteristics of patients HIV/AIDS. Methods: Observational, descriptive study using medical records data under 14 years age. Approved by the institution's Ethics Committee number 1,432,517. Results: 60 cases were included; median follow-up duration was 6.8 years; 50.0% male; 88.3% white; 75.0% from capital metropolitan region. Prenatal available for 51 cases, but only...

10.5327/dst-2177-8264-2023351379 article EN cc-by Jornal Brasileiro de Doenças Sexualmente Transmissíveis 2023-01-01
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