LUIZ FERNANDO FERRAZ DA SILVA

(Fonte: Lattes)
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Departamento de Patologia, Faculdade de Medicina - Docente
LIM/05 - Laboratório de Poluição Atmosférica Experimental, Hospital das Clínicas, Faculdade de Medicina

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  • article 1 Citação(ões) na Scopus
    Main autopsyfindings of visceral involvement by fatal mpox in patients with AIDS: necrotising nodular pneumonia, nodular ulcerative colitis, and diffuse vasculopathy
    (2023) DUARTE-NETO, Amaro Nunes; GONCALVES, Ana Maria; ELIODORO, Raissa Heloisa de Araujo; MARTINS, Wilker Dias; CLARO, Ingra Morales; VALENCA, Ian Nunes; PAES, Vitor Ribeiro; TEIXEIRA, Ralcyon; SZTAJNBOK, Jaques; SILVA, Ivan Leonardo Avelino Franca e; LEITE, Luiz Antonio Ferreira; MALAQUE, Ceila Maria Sant'Ana; BORGES, Luciana Marques Sansao; GONZALEZ, Mario Peribanez; BARRA, Luiz Alberto Costa; PEREIRA JUNIOR, Luiz Carlos; MELLO, Claudia Figueiredo; QUEIROZ, Wladimir; ATOMYA, Angela Naomi; FERNEZLIAN, Sandra de Morais; ALVES, Venancio Avancini Ferreira; LEITE, Katia Ramos Moreira; FERREIRA, Cristiane Rubia; SALDIVA, Paulo Hilario Nascimento; MAUAD, Thais; SILVA, Luiz Fernando Ferraz da; FARIA, Nuno R.; CORREA, Maria Cassia Jacinto Mendes; SABINO, Ester Cerdeira; SOTTO, Mirian Nacagami; DOLHNIKOFF, Marisa
  • article 24 Citação(ões) na Scopus
    COVID-19-Associated cardiac pathology at the postmortem evaluation: a collaborative systematic review
    (2022) ALMAMLOUK, Raghed; KASHOUR, Tarek; OBEIDAT, Sawsan; BOIS, Melanie C.; MALESZEWSKI, Joseph J.; OMRANI, Osama A.; TLEYJEH, Rana; BERBARI, Elie; CHAKHACHIRO, Zaher; ZEIN-SABATTO, Bassel; GERBERI, Dana; TLEYJEH, Imad M.; MONDOLFI, Alberto E. Paniz; V, Aloke Finn; DUARTE-NETO, Amaro Nunes; V, Amy Rapkiewicz; FRUSTACI, Andrea; KERESZTESI, Arthur-Atilla; HANLEY, Brian; MAERKL, Bruno; LARDI, Christelle; BRYCE, Clare; LINDNER, Diana; AGUIAR, Diego; WESTERMANN, Dirk; STROBERG, Edana; DUVAL, Eric J.; YOUD, Esther; BULFAMANTE, Gaetano Pietro; SALMON, Isabelle; AUER, Johann; HIRSCHBUEHL, Klaus; ABSIL, Lara; BARTON, Lisa M.; SILVA, Luiz Fernando Ferraz da; MOORE, Luiza; DOLHNIKOFF, Marisa; LAMMENS, Martin; OSBORN, Michael; REMMELINK, Myriam; SALDIVA, Paulo Hilario Nascimento; JORENS, Philippe G.; CRAVER, Randall; MONTEIRO, Renata Aparecida de Almeida; SCENDONI, Roberto; MUKHOPADHYAY, Sanjay; SUZUKI, Tadaki; MAUAD, Thais; FRACASSO, Tony; GRIMES, Zachary
    Background: Many postmortem studies address the cardiovascular effects of COVID-19 and provide valuable information, but are limited by their small sample size. Objectives: The aim of this systematic review is to better understand the various aspects of the cardio-vascular complications of COVID-19 by pooling data from a large number of autopsy studies. Data sources: We searched the online databases Ovid EBM Reviews, Ovid Embase, Ovid Medline, Scopus, and Web of Science for concepts of autopsy or histopathology combined with COVID-19, published be-tween database inception and February 2021. We also searched for unpublished manuscripts using the medRxiv services operated by Cold Spring Harbor Laboratory. Study eligibility criteria: Articles were considered eligible for inclusion if they reported human post-mortem cardiovascular findings among individuals with a confirmed SARS coronavirus type 2 (CoV-2) infection. Participants: Confirmed COVID-19 patients with post-mortem cardiovascular findings. Interventions: None. Methods: Studies were individually assessed for risk of selection, detection, and reporting biases. The median prevalence of different autopsy findings with associated interquartile ranges (IQRs). Results: This review cohort contained 50 studies including 548 hearts. The median age of the deceased was 69 years. The most prevalent acute cardiovascular findings were myocardial necrosis (median: 100.0%; IQR, 20%-10 0%; number of studies = 9; number of patients = 64) and myocardial oedema (median: 55.5%; IQR, 19.5%-92.5%; number of studies = 4; number of patients = 46). The median re-ported prevalence of extensive, focal active, and multifocal myocarditis were all 0.0%. The most prevalent chronic changes were myocyte hypertrophy (median: 69.0%; IQR, 46.8%-92.1%) and fibrosis (median: 35.0%; IQR, 35.0%-90.5%). SARS-CoV-2 was detected in the myocardium with median prevalence of 60.8% (IQR 40.4-95.6%). Conclusions: Our systematic review confirmed the high prevalence of acute and chronic cardiac pathologies in COVID-19 and SARS-CoV-2 cardiac tropism, as well as the low prevalence of myocarditis in COVID-19.
  • article 7 Citação(ões) na Scopus
    PLUNC protein expression in major salivary glands of HIV-infected patients
    (2011) SILVA, A. A. da; BINGLE, L.; SPEIGHT, P. M.; BINGLE, C. D.; MAUAD, T.; SILVA, L. F. F. da; VARGAS, P. A.
    Objective: To analyse and compare the expression of Palate, Lung, and Nasal Epithelium Clone (PLUNC) proteins in salivary glands from patients with and without AIDS (control group) using autopsy material. Methods: We analysed the expression of PLUNCs using immunohistochemistry in parotid (n = 45), submandibular (n = 47) and sublingual gland (n = 37) samples of AIDS patients [30 with normal histology, 21 with mycobacteriosis, 14 with cytomegalovirus (CMV) infection, 30 with chronic non-specific sialadenitis, and 30 HIV-negative controls. In situ hybridization (ISH) for SPLUNC 2 in the HIV-negative group was performed. Results: SPLUNC 1 expression was detected in the mucous acini of submandibular and sublingual glands, and SPLUNC 2 were seen in the serous cells. LPLUNC 1 expression was only positive in the salivary ducts. There was a higher expression of SPLUNC 2 in AIDS patients with CMV infection and mycobacteriosis when compared with all other groups. The intensity of staining for SPLUNC 2 was greater around the lesions than the peripheral ones. ISH for SPLUNC 2 showed perinuclear positivity in the serous cells in all HIV-negative cases. Conclusions: SPLUNC 1 and LPLUNC 1 proteins were similarly expressed in the salivary glands of AIDS patients and non-HIV patients. CMV infection and mycobacteriosis increase SPLUNC 2 expression in serous cells in the salivary gland of AIDS patients.