Abstract:
Objective To explore the correlation between fluid status and pulmonary hypertension (PH) in peritoneal dialysis (PD) patients.
Methods From September 2020 to June 2022, 102 PD patients were recruited and followed up regularly. General demographics, clinical data and laboratory indicators were collected. Pulmonary arterial systolic pressure was measured by echocardiography. Fluid status was evaluated by a body composition analyzer. The relative over hydration over hydration (OH)/extracellular water (ECW) ≥15% was diagnosed as fluid overload (FO). Multivariate Logistic regression was utilized for examining the risk factors of PH.
Results Among them, there were 36 PH (35.3%) and 66 non-PH patients (64.7%). The relevant indicators of fluid state OH, OH/ECW, ECW, total body water (TBW) were significantly higher in PH group than those in non-PH group and the differences were statistically significant (P<0.05). Multivariate Logistic regression analysis indicated that advanced age, smoking and OH/ECW≥15% were independent risk factors for PH.
Conclusions FO is an independent risk factor for the occurrence of PH in PD patients. And PD patients with FO should be screened for PH by echocardiography and the status of FO corrected aggressively as soon as possible to prevent PH.