Respiratory medicine · 2018
Clinical features of sarcoidosis associated pulmonary hypertension: Results of a multi-national registry.
СтатьяМногоцентровое исследованиеПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Baughman Robert P, Shlobin Oksana A, Wells Athol U, Alhamad Esam H, Culver Daniel A, Barney Joseph, Cordova Francis C, Carmona Eva M, Scholand Mary Beth, Wijsenbeek Marlies, Ganesh Sivagini, Birring Surinder S, Kouranos Vasilis, O'Hare Lanier, Baran Joanne M, Cal Joseph G, Lower Elyse E, Engel Peter J, Nathan Steven D
Аннотация
BACKGROUND: Pulmonary hypertension (PH) is a significant cause of morbidity and mortality in sarcoidosis. We established a multi-national registry of sarcoidosis associated PH (SAPH) patients.
METHODS: Sarcoidosis patients with PH confirmed by right heart catheterization (RHC) were studied. Patients with pulmonary artery wedge pressure (PAWP) of 15 mmHg or less and a mean pulmonary artery pressure (mPAP) ≥ 25 Hg were subsequently analyzed. Data collected included hemodynamics, forced vital capacity (FVC), diffusion capacity of carbon monoxide (DLCO), chest x-ray, and 6-min walk distance (6MWD).
RESULTS: A total of 176 patients were analyzed. This included 84 (48%) cases identified within a year of entry into the registry and 94 (53%) with moderate to severe PH. There was a significant correlation between DLCO percent predicted (% pred) andmPAP (Rho = -0.228, p = 0.0068) and pulmonary vascular resistance (PVR) (Rho = -0.362, p < 0.0001). PVR was significantly higher in stage 4 disease than in stage 0 or 1 disease (p < 0.05 for both comparisons). About two-thirds of the SAPH patients came from the United States (US). There was a significant difference in the rate of treatment between US (67.5%) versus non-US (86%) (Chi Square 11.26, p = 0.0008) sites.
CONCLUSIONS: The clinical features of SAPH were similar across multiple centers in the US, Europe, and the Middle East. The severity of SAPH was related to reduced DLCO. There were treatment differences between the US and non-US centers.
METHODS: Sarcoidosis patients with PH confirmed by right heart catheterization (RHC) were studied. Patients with pulmonary artery wedge pressure (PAWP) of 15 mmHg or less and a mean pulmonary artery pressure (mPAP) ≥ 25 Hg were subsequently analyzed. Data collected included hemodynamics, forced vital capacity (FVC), diffusion capacity of carbon monoxide (DLCO), chest x-ray, and 6-min walk distance (6MWD).
RESULTS: A total of 176 patients were analyzed. This included 84 (48%) cases identified within a year of entry into the registry and 94 (53%) with moderate to severe PH. There was a significant correlation between DLCO percent predicted (% pred) andmPAP (Rho = -0.228, p = 0.0068) and pulmonary vascular resistance (PVR) (Rho = -0.362, p < 0.0001). PVR was significantly higher in stage 4 disease than in stage 0 or 1 disease (p < 0.05 for both comparisons). About two-thirds of the SAPH patients came from the United States (US). There was a significant difference in the rate of treatment between US (67.5%) versus non-US (86%) (Chi Square 11.26, p = 0.0008) sites.
CONCLUSIONS: The clinical features of SAPH were similar across multiple centers in the US, Europe, and the Middle East. The severity of SAPH was related to reduced DLCO. There were treatment differences between the US and non-US centers.