ALBERTO QUEIROZ FARIAS

(Fonte: Lattes)
Índice h a partir de 2011
12
Projetos de Pesquisa
Unidades Organizacionais
Departamento de Gastroenterologia, Faculdade de Medicina - Docente
Instituto Central, Hospital das Clínicas, Faculdade de Medicina - Médico

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Agora exibindo 1 - 7 de 7
  • article 9 Citação(ões) na Scopus
    Procedural-Related Bleeding in Hospitalized Patients With Liver Disease (PROC-BLeeD): An International, Prospective, Multicenter Observational Study
    (2023) INTAGLIATA, Nicolas M.; RAHIMI, Robert S.; HIGUERA-DE-LA-TIJERA, Fatima; SIMONETTO, Douglas A.; FARIAS, Alberto Queiroz; MAZO, Daniel F.; BOIKE, Justin R.; STINE, Jonathan G.; SERPER, Marina; PEREIRA, Gustavo; MATTOS, Angelo Z.; MARCIANO, Sebastian; DAVIS, Jessica P. E.; BENITEZ, Carlos; CHADHA, Ryan; MENDEZ-SANCHEZ, Nahum; DELEMOS, Andrew S.; MOHANTY, Arpan; DIRCHWOLF, Melisa; FORTUNE, Brett E.; NORTHUP, Patrick G.; PATRIE, James T.; CALDWELL, Stephen H.
    BACKGROUND & AIMS: Hospitalized patients with cirrhosis frequently undergo multiple procedures. The risk of procedural-related bleeding remains unclear, and management is not standardized. We conducted an international, prospective, multicenter study of hospitalized patients with cirrhosis undergoing nonsurgical procedures to establish the incidence of procedural-related bleeding and to identify bleeding risk factors. METHODS: Hospitalized patients were prospectively enrolled and monitored until surgery, transplantation, death, or 28 days from admission. The study enrolled 1187 patients undergoing 3006 nonsurgical procedures from 20 centers. RESULTS: A total of 93 procedural-related bleeding events were identified. Bleeding was reported in 6.9% of patient admissions and in 3.0% of the procedures. Major bleeding was reported in 2.3% of patient admissions and in 0.9% of the procedures. Patients with bleeding were more likely to have nonalcoholic steatohepatitis (43.9% vs 30%) and higher body mass index (BMI; 31.2 vs 29.5). Patients with bleeding had a higher Model for End-Stage Liver Disease score at admission (24.5 vs 18.5). A multivariable analysis controlling for center variation found that high-risk procedures (odds ratio [OR], 4.64; 95% confidence interval [CI], 2.44-8.84), Model for End Stage Liver Disease score (OR, 2.37; 95% CI, 1.46-3.86), and higher BMI (OR, 1.40; 95% CI, 1.10-1.80) independently predicted bleeding. Preprocedure international normalized ratio, platelet level, and antithrombotic use were not predictive of bleeding. Bleeding prophylaxis was used more routinely in patients with bleeding (19.4% vs 7.4%). Patients with bleeding had a significantly higher 28-day risk of death (hazard ratio, 6.91; 95% CI, 4.22-11.31). CONCLUSIONS: Procedural-related bleeding occurs rarely in hospitalized patients with cirrhosis. Patients with elevated BMI and decompensated liver disease who undergo high-risk procedures may be at risk to bleed. Bleeding is not associated with conventional hemostasis tests, preprocedure prophylaxis, or recent antithrombotic therapy.
  • article 26 Citação(ões) na Scopus
    Impact of the severity of end-stage liver disease in cardiac structure and function
    (2013) SILVESTRE, Odilson Marcos; BACAL, Fernando; RAMOS, Danusa de Souza; ANDRADE, Jose L.; FURTADO, Meive; PUGLIESE, Vincenzo; BELLETI, Elisangela; ANDRAUS, Wellington; CARRILHO, Flair Jose; D'ALBUQUERQUE, Luiz Augusto Carneiro; FARIAS, Alberto Queiroz
    Background. The impact of end-stage liver disease (ESLD) in cardiac remodeling of patients with cirrhosis is unknown. Our aim was to correlate the severity of ESLD with morphologic and functional heart changes. Material and methods. 184 patients underwent a protocol providing data on the severity of ESLD and undergoing echocardiography to assess the diameters of the left atrium and right ventricle; the systolic and diastolic diameters of the left ventricle, interventricular septum, and posterior wall of the left ventricle; systolic pulmonary artery pressure; ejection fraction; and diastolic function. Severity of ESLD was assessed by the Model for End-Stage Liver Disease (MELD) score. Results. Left-atrial diameter (r = 0.323; IC 95% 0.190-0.455; p < 0.001), left-ventricular diastolic diameter (r = 0.177; IC 95% 0.033-0.320; p = 0.01) and systolic pulmonary artery pressure (r = 0.185; IC 95% 0.036-0.335; p = 0.02) significantly correlated with MELD score. Patients with MELD 16 had significantly higher left-atrial diameter and systolic pulmonary artery pressure, compared with patients with MELD scores < 16 points. Conclusions. Changes in cardiac structure and function correlate with the severity of ESLD.
  • article 5 Citação(ões) na Scopus
    Albumin administration in patients with cirrhosis: Current role and novel perspectives
    (2022) MATTOS, Angelo Zambam de; SIMONETTO, Douglas Alano; TERRA, Carlos; FARIAS, Alberto Queiroz; BITTENCOURT, Paulo Lisboa; PASE, Tales Henrique Soares; TOAZZA, Marlon Rubini; MATTOS, Angelo Alves de
    Mortality in cirrhosis is mostly associated with the development of clinical decompensation, characterized by ascites, hepatic encephalopathy, variceal bleeding, or jaundice. Therefore, it is important to prevent and manage such complications. Traditionally, the pathophysiology of decompensated cirrhosis was explained by the peripheral arterial vasodilation hypothesis, but it is currently understood that decompensation might also be driven by a systemic inflammatory state (the systemic inflammation hypothesis). Considering its oncotic and nononcotic properties, albumin has been thoroughly evaluated in the prevention and management of several of these decompensating events. There are formal evidence-based recommendations from international medical societies proposing that albumin be administered in individuals with cirrhosis undergoing large-volume paracentesis, patients with spontaneous bacterial peritonitis, those with acute kidney injury (even before the etiological diagnosis), and those with hepatorenal syndrome. Moreover, there are a few randomized controlled trials and meta-analyses suggesting a possible role for albumin infusion in patients with cirrhosis and ascites (long-term albumin administration), individuals with hepatic encephalopathy, and those with acute-on-chronic liver failure undergoing modest-volume paracentesis. Further studies are necessary to elucidate whether albumin administration also benefits patients with cirrhosis and other complications, such as individuals with extraperitoneal infections, those hospitalized with decompensated cirrhosis and hypoalbuminemia, and patients with hyponatremia.
  • article 0 Citação(ões) na Scopus
    Preservation of platelet function in patients with cirrhosis and thrombocytopenia undergoing esophageal variceal ligation
    (2020) SOUZA, Evandro de Oliveira; D'AMICO, Elbio Antonio; ROCHA, Tania Rubia Flores da; FERREIRA, Caroline Marcondes; BATISTA, Juliana Medeiros; D'ALBUQUERQUE, Luiz Augusto Carneiro; CARRILHO, Flair Jose; FARIAS, Alberto Queiroz
    Background: Thrombocytopenia is a possible risk factor for bleeding after band ligation of esophageal varices. However, elevated von Willebrand factor (VWF) in cirrhosis improves platelet function and could decrease this risk. Our objective was to assess platelet function in patients with cirrhosis undergoing esophageal variceal ligation (EVL). Methods: The assessment consisted of platelet count, antigen and activity of VWF and VWF-cleaving protease ADAMTS-13 activity, and a platelet adhesion and aggregation test simulating vascular flow in vivo (Impact-R (R)) prior to EVL. Results: Totally 111 patients were divided into three groups according to platelet count: (1) < 50 x 10(9)/L (n = 38, 34.2%); (2) 50 x 10(9)/L to 100 x 10(9)/L (n = 47, 42.3%); and (3) > 100 x 10(9) /L (n = 26, 23.4%). No statistically significant difference was found in the aggregate size of platelets [group 1: 41.0 (31.8-67.3) mu m(2); group 2: 47.0 (33.8-71.3) mu m(2); and group 3: 47.0 (34.0-66.0) mu m(2); P = 0.60] and no significant correlation was found between aggregate size and platelet count (Spearman r = 0.07; P = 0.47). Surface coverage was 4.1% (2.8%-6.7%), 8.5% (4.0%-10.0%), and 9.0% (7.1%-12.0%) (P < 0.001) in groups 1, 2 and 3, respectively and correlated with platelet count (Spearman r = 0.39; P < 0.0001). There was no significant difference between groups in VWF or ADAMTS-13. Post-EVL bleeding occurred in six (5.4%) patients (n = 2 in group 1, n = 1 in group 2, and n = 3 in group 3; P = 0.32). Patients with bleeding had higher MELD scores [15.0 (11.3-20.3) versus 12.0 (10.0-15.0); P = 0.025], but no difference was demonstrated for platelet function parameters. Conclusion: Platelet function is preserved even in the presence of thrombocytopenia, including in the patients with post-EVL bleeding.
  • article 66 Citação(ões) na Scopus
    Fresh frozen plasma transfusion in patients with cirrhosis and coagulopathy: Effect on conventional coagulation tests and thrombomodulin-modified thrombin generation
    (2020) RASSI, Amanda Bruder; D'AMICO, Elbio Antonio; TRIPODI, Armando; ROCHA, Tania Rubia Flores da; MIGITA, Beatriz Yuri; FERREIRA, Caroline Marcondes; CARRILHO, Flair Jose; FARIAS, Alberto Queiroz
    Background & Aims: The efficacy of fresh frozen plasma (FFP) transfusion in enhancing thrombin generation in patients with cirrhosis and impaired conventional coagulation tests has not been sufficiently explored. Thus, we aimed to assess the effect of FFP transfusion on thrombin generation in these patients. Methods: Fifty-three consecutive patients receiving a standard dose of FFP to treat bleeding and/or before invasive procedures - if international normalized ratio (INR)/prothrombin time (PT) ratio were >= 1.5 - were prospectively enrolled. The primary endpoint was the amelioration of endogenous thrombin potential (ETP) with thrombomodulin (ETP-TM) after transfusion, which corresponds to the total amount of generated thrombin. INR/PT ratio and activated partial thromboplastin time (aPTT) were also assessed before and after transfusion. Results: FFP enhanced ETP-TM by 5.7%, from 973 (731-1,258) to 1,028 (885-1,343 nM x min; p = 0.019). Before transfusion, evidence of normal or high ETP-TM was found in 94% of patients, even in those with bacterial infections. Only 1 (1.9%) patient had ETP-TM values reverting to the normal range after transfusion. Notably, no patients with low ETP-TM had bleeding. The median decrease in ETP-TM was 8.3% and the mean was 12.8% in 18 (34%) patients after transfusion (from 1,225 [1,071-1,537] to 1,124 [812-1,370] nM x min; p <= 0.0001). Similar responses to FFP transfusion were observed in patients with compensated and acute decompensated cirrhosis, acute-on-chronic liver failure, infection or shock. FFP significantly ameliorated INR and aPTT values (p <0.0001), but in a minority of patients the values were reduced to less than the cut-off point of 1.5. Conclusions: FFP transfusion enhanced thrombin generation and ameliorated conventional coagulation tests to normal values in a limited number of patients, and slightly decreased thrombin generation in 34% of cases. Lay summary: Transfusion of fresh frozen plasma in patients with cirrhosis only slightly improves coagulation test values in a limited number of patients and even appears to worsen them in a third of cases. Transfusion for the purpose of preventing or treating bleeding events could cause inherent risks and costs without clear benefits. (C) 2019 Published by Elsevier B.V. on behalf of European Association for the Study of the Liver.
  • article
    Primary prophylaxis of variceal bleeding in patients with cirrhosis: A comparison of different strategies
    (2021) MATTOS, Angelo Zambam de; TERRA, Carlos; FARIAS, Alberto Queiroz; BITTENCOURT, Paulo Lisboa
    Patients with cirrhosis and esophageal varices bleed at a yearly rate of 5%-15%, and, when variceal hemorrhage develops, mortality reaches 20%. Patients are deemed at high risk of bleeding when they present with medium or large-sized varices, when they have red signs on varices of any size and when they are classified as Child-Pugh C and have varices of any size. In order to avoid variceal bleeding and death, individuals with cirrhosis at high risk of bleeding must undergo primary prophylaxis, for which currently recommended strategies are the use of traditional non-selective beta-blockers (NSBBs) (i.e., propranolol or nadolol), carvedilol (a NSBB with additional alpha-adrenergic blocking effect) or endoscopic variceal ligation (EVL). The superiority of one of these alternatives over the others is controversial. While EVL might be superior to pharmacological therapy regarding the prevention of the first bleeding episode, either traditional NSBBs or carvedilol seem to play a more prominent role in mortality reduction, probably due to their capacity of preventing other complications of cirrhosis through the decrease in portal hypertension. A sequential strategy, in which patients unresponsive to pharmacological therapy would be submitted to endoscopic treatment, or the combination of pharmacological and endoscopic strategies might be beneficial and deserve further investigation.
  • article 86 Citação(ões) na Scopus
    Alcohol-Related Liver Disease Is Rarely Detected at Early Stages Compared With Liver Diseases of Other Etiologies Worldwide
    (2019) SHAH, Neil D.; VENTURA-COTS, Meritxell; ABRALDES, Juan G.; ALBORAIE, Mohamed; ALFADHLI, Ahmad; ARGEMI, Josepmaria; BADIA-ARANDA, Ester; ARUS-SOLER, Enrique; BARRITT, A. Sidney; BESSONE, Fernando; BIRYUKOVA, Marina; CARRILHO, Flair J.; FERNANDEZ, Marlen Castellanos; GUIRIDI, Zaily Dorta; KASSAS, Mohamed El; ENG-KIONG, Teo; FARIAS, Alberto Queiroz; GEORGE, Jacob; GUI, Wenfang; THURAIRAJAH, Prem H.; HSIANG, John Chen; HUSIC-SELIMOVIC, Azra; ISAKOV, Vasily; KARONEY, Mercy; KIM, Won; KLUWE, Johannes; KOCHHAR, Rakesh; DHAKA, Narendra; COSTA, Pedro Marques; PHARM, Mariana A. Nabeshima; ONO, Suzane K.; REIS, Daniela; RODIL, Agustina; DOMECH, Caridad Ruenes; SAEZ-ROYUELA, Federico; SCHEURICH, Christoph; SIOW, Way; SIVAC-BURINA, Nadja; TRAQUINO, Edna Solange dos Santos; SOME, Fatma; SPRECKIC, Sanjin; TAN, Shiyun; VOROBIOFF, Julio; WANDERA, Andrew; WU, Pengbo; YACOUB, Mohamed; YANG, Ling; YU, Yuanjie; ZAHIRAGIC, Nerma; ZHANG, Chaoqun; CORTEZ-PINTO, Helena; BATALLER, Ramon
    BACKGROUND & AIMS: Despite recent advances in treatment of viral hepatitis, liver-related mortality is high, possibly owing to the large burden of advanced alcohol-related liver disease (ALD). We investigated whether patients with ALD are initially seen at later stages of disease development than patients with hepatitis C virus (HCV) infection or other etiologies. METHODS: We performed a cross-sectional study of 3453 consecutive patients with either early or advanced liver disease (1699 patients with early and 1754 with advanced liver disease) seen at 17 tertiary care liver or gastrointestinal units worldwide, from August 2015 through March 2017. We collected anthropometric, etiology, and clinical information, as well as and model for end-stage liver disease scores. We used unconditional logistic regression to estimate the odds ratios for evaluation at late stages of the disease progression. RESULTS: Of the patients analyzed, 81% had 1 etiology of liver disease and 17% had 2 etiologies of liver disease. Of patients seen at early stages for a single etiology, 31% had HCV infection, 21% had hepatitis B virus infection, and 17% had nonalcoholic fatty liver disease, whereas only 3.8% had ALD. In contrast, 29% of patients seen for advanced disease had ALD. Patients with ALD were more likely to be seen at specialized centers, with advanced-stage disease, compared with patients with HCV-associated liver disease (odds ratio, 14.1; 95% CI, 10.5-18.9; P < .001). Of patients with 2 etiologies of liver disease, excess alcohol use was associated with 50% of cases. These patients had significantly more visits to health care providers, with more advanced disease, compared with patients without excess alcohol use. The mean model for end-stage liver disease score for patients with advanced ALD (score, 16) was higher than for patients with advanced liver disease not associated with excess alcohol use (score, 13) (P < .01). CONCLUSIONS: In a cross-sectional analysis of patients with liver disease worldwide, we found that patients with ALD are seen with more advanced-stage disease than patients with HCV-associated liver disease. Of patients with 2 etiologies of liver disease, excess alcohol use was associated with 50% of cases. Early detection and referral programs are needed for patients with ALD worldwide.