DENIS PAJECKI

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Instituto Central, Hospital das Clínicas, Faculdade de Medicina - Médico

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  • article 0 Citação(ões) na Scopus
    Comment on: Sleeve gastrectomy versus Roux-En-Y gastric bypass in patients aged >= 65 years: a comparison of short-term outcomes
    (2021) DANTAS, Anna Carolina Batista; PAJECKI, Denis; SANTO, Marco Aurelio
  • article 5 Citação(ões) na Scopus
    OBESITY AND SEVERE STEATOSIS: THE IMPORTANCE OF BIOCHEMICAL EXAMS AND SCORES
    (2021) SILVA, Miller Barreto de Brito e; TUSTUMI, Francisco; DANTAS, Anna Carolina Batista; MIRANDA, Barbara Cristina Jardim; PAJECKI, Denis; DE-CLEVA, Roberto; SANTO, Marco Aurelio; NAHAS, Sergio Carlos
    INTRODUCTION: Nonalcoholic fatty liver disease (NAFLD) is considered a public health problem, mainly in severely obese patients. OBJECTIVE: The aim of the present study was to investigate different biochemical-based scores available and determine which one could best serve as an NAFLD predicting tool in a severely obese population. METHODS: This was a cross-sectional study involving severely obese patients. All patients were evaluated with serum laboratory parameters for 1 week before biopsy, and all patients were treated with intraoperative liver biopsy, during bariatric surgery. RESULTS: A total of 143 severely obese patients were included. The median body mass index (BMI) was 48 kg/m(2) (35-65). Diabetes mellitus was present in 36%, and steatosis was present in 93% (severe steatosis in 20%). Only aspartate transaminase (AST) to platelet ratio index (APRI=0.65 (95% CI: 0.55-0.8) and homeostatic model assessment for insulin resistance (HOMA-IR=0.7 (95% CI: 0.58-0.82) showed significant capacity for the prediction of severe steatosis. Hepatic steatosis index (HSI), NAFLD fibrosis score (NAFLDS), alanine aminotransferase (ALT)/AST, and fibrosis-4 (FIB-4) were not able to correctly predict severe steatosis on liver biopsy. APRI showed high specificity of 82% and low sensitivity of 54%. In contrast, HOMA-IR showed high sensitivity of 84% and low specificity of 48%. CONCLUSIONS: NAFLDS, FIB-4, AST/ALT, and HSI have no utility for the evaluation of severe steatosis in severely obese patients. Diabetes and insulin-resistance-related biochemical assessments, such as HOMA-IR, can be used as good screening tools for severe steatosis in these patients. APRI score is the most specific biochemical diagnostic tool for steatosis in severely obese patients and can help clinicians to decide the need for bariatric or metabolic surgery.