4.4 Article

Evaluation of Predisposing Metabolic Risk Factors for Portopulmonary Hypertension in Patients with NASH Cirrhosis

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INTERNATIONAL JOURNAL OF GENERAL MEDICINE
卷 15, 期 -, 页码 859-865

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DOVE MEDICAL PRESS LTD
DOI: 10.2147/IJGM.S339474

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pulmonary hypertension; portopulmonary hypertension; NASH cirrhosis

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This study identified metabolic risk factors for the development of portopulmonary hypertension (PoPH) in patients with nonalcoholic steatohepatitis (NASH)-associated cirrhosis. Elevated TSH levels were independently associated with an increased risk of PoPH.
Purpose: Metabolic parameters are important for the development of portopulmonary hypertension (PoPH) during nonalcoholic steatohepatitis (NASH)-associated cirrhosis. This study evaluated patients with NASH-associated cirrhosis to determine metabolic risk factors for portopulmonary hypertension. Patients and Methods: Data on 171 patients (120 men and 51 women) with NASH-associated cirrhosis who were seen in Florence Nightingale Hospital's gastroenterology Clinic from 2009 to 2018 was obtained from the Hospital database. A pulmonary artery systolic pressure >35 mmHg was defined as PH (pulmonary hypertension) according to standard transthoracic echocardiography. Portal hypertension was diagnosed from clinical symptoms and dilated portal veins shown by abdominal ultrasound or computed tomography (CT). Pulmonary patients with portal hypertension were diagnosed with portopulmonary hypertension (PoPH). Results: A total of 171 patients with NASH-associated cirrhosis were included in this study. Of these, 43 patients had PoPH. These patients had increased TSH (p=0.004), bilirubin (p=0.023) and triglyceride (p=0.048) levels, higher MELD scores (p=0.018) and decreased hemoglobin (p=0.05). MELD score and hemoglobin, total bilirubin, TSH, and triglyceride levels were all included in a multivariate logistic regression model and TSH levels were independently associated with increased risk of PoPH. Conclusion: Increased TSH is an independent risk factor for PoPH.

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