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Abstract
Background: There is a high incidence of unexplained pulmonary
hypertension (PH) in end-stage renal disease (ESRD) patients on
chronic haemodialysis (HD) therapy via arterio-venous (A-V)
access. This study evaluated the possibility that PHT in these
patients is triggered or aggravated by chronic HD via surgical A-V
access.
Methods: 50 patients were examined for PH via echocardiogram.
Pulmonary pressure ≥ 35 mmHg was reported as PH.
Results: 19/50 patients suffered from PH. There was no effect for
anatomic location of the dialysis vascular access, while a
significant effect of cardiac output, pulmonary pressure, ejection
fraction, and blood flow effect on the PH patients was shown. The
laboratory parameters were not of significant effect on the
differentiation of patients.
Conclusion: There is a high prevalence of PH in ESRD patients
undergoing long term HD via AV access.