• Markus S Jördens, Mark Luedde, Christoph Roderburg, Muenevver Demir, Tom Luedde, Karel Kostev, and Sven H Loosen.
• Clinic for Gastroenterology, Hepatology and Infectious Diseases, University Hospital Düsseldorf, Medical Faculty of Heinrich Heine University Düsseldorf, Düsseldorf, Germany.
• J. Intern. Med. 2021 Oct 1; 290 (4): 886-893.

BackgroundPulmonary hypertension (PH) represents a multicausal disease with increasing global incidence that eventually leads to right ventricular failure. In addition to cardiac sequelae, noncardiac comorbidities appear to be of increasing relevance, especially in times of improved therapeutic options that often result in long-term survival. Here, we examined a potential association between PH and nonalcoholic fatty liver disease (NAFLD) as well as liver cirrhosis in an outpatient cohort in Germany.MethodsA total of 9455 PH patients followed in general and internist practices between 2005 and 2019 were matched by propensity scoring based on age, sex, yearly consultation frequency and relevant comorbidities (obesity, diabetes, heart failure, lipid metabolism disorders) to a cohort of equal size without PH. The association between PH and NAFLD/liver cirrhosis was evaluated using Cox regression models.ResultsWithin 10 years from the index date, cumulative incidence rates of NAFLD were significantly higher amongst patients with PH (7.3%) compared to non-PH patients (3.5%, log-rank p < 0.001). In regression analysis, this association was significant for both female (HR: 1.93, p < 0.001) and male (HR: 1.51, p = 0.005) patients and was most prominent amongst patients > 80 years (HR: 3.30, p = 0.001). Moreover, PH patients showed a strong trend towards higher incidence rates of liver cirrhosis compared to non-PH patients (1.4 vs. 1.1%, p = 0.066).ConclusionOur data suggest that incidence rates of NAFLD are strongly elevated in patients with PH. This finding should trigger awareness of noncardiac comorbidities in these patients and argues for potential liver-directed screening programs in patients with PH.© 2021 The Authors. Journal of Internal Medicine published by John Wiley & Sons Ltd on behalf of Association for Publication of The Journal of Internal Medicine.

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