Browsing by Author "Eren, Fatih"

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    Outcome of COVID-19 in Patients with Autoimmune Hepatitis: an International Multi-Centre Study
    (Wiley, 2021) Efe, Cumali; Dhanasekaran, Renumathy; Lammert, Craig; Ebi, Berat; Higuera‐de la Tijera, Fatima; Aloman, Costica; Rıza Calışkan, Ali; Peralta, Mirta; Gerussi, Alessio; Massoumi, Hatef; Catana, Andreea M.; Torgutalp, Murat; Purnak, Tugrul; Rigamonti, Cristina; Gomez Aldana, Andres Jose; Khakoo, Nidah; Kacmaz, Hüseyin; Nazal, Leyla; Frager, Shalom; Demir, Nurhan; Irak, Kader; Ellik, Zeynep Melekoğlu; Balaban, Yasemin; Atay, Kadri; Eren, Fatih; Cristoferi, Laura; Batıbay, Ersin; Urzua, Álvaro; Snijders, Romee; Kıyıcı, Murat; Akyıldız, Murat; Ekin, Nazım; Carr, Rotonya M; Harputoğlu, Murat; Hatemi, Ibrahim; Mendizabal, Manuel; Silva, Marcelo; Idilman, Ramazan; Silveira, Marina; Drenth, Joost P.H.; Assis, David N.; Björnsson, Einar; Boyer, James L.; Invernizzi, Pietro; Levy, Chyntia; Schiano, Thomas D.; Ridruejo, Ezequiel; Wahlin, Staffan; Medicine, School of Medicine
    Background Data regarding outcome of Coronavirus disease 2019 (COVID‐19) in patients with autoimmune hepatitis (AIH) are lacking. Patients and methods We performed a retrospective study on AIH patients with COVID‐19 from 34 centres in Europe and the Americas. We analyzed factors associated with severe COVID‐19 outcomes defined as the need for mechanical ventilation, intensive care admission, and/or death. The outcomes of patients with AIH were compared to a propensity‐score matched cohort of non‐AIH patients with chronic liver diseases (CLD) and COVID‐19. The frequency and clinical significance of new‐onset liver injury (alanine aminotransferase>2xupper limit of normal) during COVID‐19 was also evaluated. Results We included 110 AIH patients (80%,female) with a median age of 49 (range:18–85) years at COVID‐19 diagnosis. New‐onset liver injury was observed in 37.1% (33/89) of the patients. Use of antivirals was associated with liver injury (p=0.041; odds ratio (OR) 3.36[1.05‐10.78]) while continued immunosuppression during COVID‐19 was associated with a lower rate of liver injury (p=0.009; OR 0.26[0.09‐0.71]). The rates of severe COVID‐19 (15.5% vs 20.2% p=0.231) and all‐cause mortality (10% vs 11.5%; p=0.852) were not different between AIH and non‐AIH CLD. Cirrhosis was an independent predictor of severe COVID‐19 in patients with AIH (p<0.001; OR 17.46[4.22‐72.13]). Continuation of immunosuppression or presence of liver injury during COVID‐19 was not associated with severe COVID‐19. Conclusions This international, multi‐center study reveals that patients with AIH were not at risk for worse outcomes with COVID‐19 than other causes of CLD. Cirrhosis was the strongest predictor for severe COVID‐19 in AIH patients. Maintenance of immunosuppression during COVID‐19 was not associated with increased risk for severe COVID‐19, but did lower the risk for new‐onset liver injury during COVID‐19.
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    SARS-CoV-2 vaccination and risk of severe COVID-19 outcomes in patients with autoimmune hepatitis
    (Elsevier, 2022-10) Efe, Cumali; Taşçılar, Koray; Gerussi, Alessio; Bolis, Francesca; Lammert, Craig; Ebik, Berat; Stättermayer, Albert Friedrich; Cengiz, Mustafa; Gökçe, Dilara Turan; Cristoferi, Laura; Peralta, Mirta; Massoumi, Hatef; Montes, Pedro; Cerda, Eira; Rigamonti, Cristina; Yapalı, Suna; Adali, Gupse; Çalışkan, Ali Rıza; Balaban, Yasemin; Eren, Fatih; Eşkazan, Tuğçe; Barutçu, Sezgin; Lytvyak, Ellina; Zazueta, Godolfino Miranda; Kayhan, Meral Akdogan; Heurgue-Berlot, Alexandra; De Martin, Eleonora; Yavuz, Ahmet; Bıyık, Murat; Narro, Graciela Castro; Duman, Serkan; Hernandez, Nelia; Gatselis, Nikolaos K.; Aguirre, Jonathan; Idilman, Ramazan; Silva, Marcelo; Mendizabal, Manuel; Atay, Kadri; Güzelbulut, Fatih; Dhanasekaran, Renumathy; Montano-Loza, Aldo J.; Dalekos, George N.; Ridruejo, Ezequiel; Invernizzi, Pietro; Wahlin, Staffan; Medicine, School of Medicine
    Background Data regarding outcome of Coronavirus disease 2019 (COVID-19) in vaccinated patients with autoimmune hepatitis (AIH) are lacking. We evaluated the outcome of COVID-19 in AIH patients who received at least one dose of Pfizer- BioNTech (BNT162b2), Moderna (mRNA-1273) or AstraZeneca (ChAdOx1-S) vaccine. Patients and methods We performed a retrospective study on AIH patients with COVID-19. The outcomes of AIH patients who had acute respiratory syndrome coronavirus 2 (SARS-CoV-2) breakthrough infection after at least one dose of COVID-19 vaccine were compared to unvaccinated patients with AIH. COVID-19 outcome was classified according to clinical state during the disease course as: (i) no hospitalization, (ii) hospitalization without oxygen supplementation, (iii) hospitalization with oxygen supplementation by nasal cannula or mask, (iv) intensive care unit (ICU) admission with non-invasive mechanical ventilation, (v) ICU admission with invasive mechanical ventilation or (vi) death, and data was analyzed using ordinal logistic regression. Results We included 413 (258 unvaccinated and 155 vaccinated) patients (81%, female) with a median age of 52 (range: 17–85) years at COVID-19 diagnosis. The rates of hospitalization were (36.4% vs. 14.2%), need for any supplemental oxygen (29.5% vs. 9%) and mortality (7% vs. 0.6%) in unvaccinated and vaccinated AIH patients with COVID-19. Having received at least one dose of SARS-CoV-2 vaccine was associated with a significantly lower risk of worse COVID-19 severity, after adjusting for age, sex, comorbidities and presence of cirrhosis (adjusted odds ratio [aOR] 0.18, 95% confidence interval [CI], 0.10–0.31). Overall, vaccination against SARS-CoV-2 was associated with a significantly lower risk of mortality from COVID-19 (aOR 0.20, 95% CI 0.11–0.35). Conclusions SARS-CoV-2 vaccination significantly reduced the risk of COVID-19 severity and mortality in patients with AIH.