AIM: The evidence about prevalence, associated factors of pulmonary hypertension (PH) and its impact on patient's outcomes is limited. METHODS: We included 211 haemodialysis patients, we estimated the systolic pulmonary artery pressure (SPAP) by 2D Doppler echocardiography defining PH as a SPAP above 35 mmHg, the median follow-up was 39 (19-56) moths, and the primary endpoints were all cause mortality and cardiovascular events. RESULTS: We found PH in 91 patients (43.9%). Independent determinants of PH were age, previous cardiovascular disease, the Nt-pro-BNP level hs-TnT, the systolic dysfunction, diastolic dysfunction and left ventricular hypertrophy. Over the follow-up 94 cardiovascular events occurred, variables associated were: PH, age, history cardiovascular disease, dyslipidaemia, elevated concentration of Nt-pro-BNP and hs-TnT, systolic and diastolic dysfunction, in a multivariate model, the PH maintained its independent association. Mortality data: 88 patients died (41.7%); 35 (29.5%) in the no PH group and 53 (58.5%) in the PH group (P < 0.001). In the Cox survival analysis, we found an association between mortality and age, previous cardiovascular disease, history of peripheral vascular disease, Nt-pro-BNP levels. In a multivariate model the PH remains as independent predictor of mortality. CONCLUSIONS: Pulmonary hypertension is a common finding in HD patients and a valuable predictor of mortality and cardiovascular events. Prospective studies are needed to assess the effect of intervention on risk factors in improving patient's outcomes.
AIM: The evidence about prevalence, associated factors of pulmonary hypertension (PH) and its impact on patient's outcomes is limited. METHODS: We included 211 haemodialysis patients, we estimated the systolic pulmonary artery pressure (SPAP) by 2D Doppler echocardiography defining PH as a SPAP above 35 mmHg, the median follow-up was 39 (19-56) moths, and the primary endpoints were all cause mortality and cardiovascular events. RESULTS: We found PH in 91 patients (43.9%). Independent determinants of PH were age, previous cardiovascular disease, the Nt-pro-BNP level hs-TnT, the systolic dysfunction, diastolic dysfunction and left ventricular hypertrophy. Over the follow-up 94 cardiovascular events occurred, variables associated were: PH, age, history cardiovascular disease, dyslipidaemia, elevated concentration of Nt-pro-BNP and hs-TnT, systolic and diastolic dysfunction, in a multivariate model, the PH maintained its independent association. Mortality data: 88 patients died (41.7%); 35 (29.5%) in the no PH group and 53 (58.5%) in the PH group (P < 0.001). In the Cox survival analysis, we found an association between mortality and age, previous cardiovascular disease, history of peripheral vascular disease, Nt-pro-BNP levels. In a multivariate model the PH remains as independent predictor of mortality. CONCLUSIONS:Pulmonary hypertension is a common finding in HDpatients and a valuable predictor of mortality and cardiovascular events. Prospective studies are needed to assess the effect of intervention on risk factors in improving patient's outcomes.
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Authors: María Molina; Luis M Allende; Luis E Ramos; Eduardo Gutiérrez; Daniel E Pleguezuelo; Eduardo R Hernández; Francisco Ríos; Cristina Fernández; Manuel Praga; Enrique Morales Journal: Front Immunol Date: 2018-06-15 Impact factor: 7.561