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Background: Despite advancements in medical and nursing care, the mortality rate among hemodialysis patients remains unexpectedly high. Objectives: This study aimed to evaluate the survival rates and identify mortality predictors among hemodialysis patients in Qazvin Province, Iran, over a five-year period from March 2015 to March 2020. Methods: This historical cohort study involved 378 hemodialysis patients from seven hospitals in Qazvin province, including Bu Ali Sina, Velayat, Razi, Alvand, Valiasr, Bueen Zahra, and Avaj, covering the period from March 21, 2015, to March 20, 2020. The study was based on data extracted from the patient's medical records, offering a detailed overview of their medical history and treatments during this timeframe. Results: The study revealed a median survival time of 38.5 months, with survival rates at 1, 2, 3, 4, and 5 years being 84.3%, 68.1%, 53.2%, 39.8%, and 18.0%, respectively. Cox regression analysis identified several key predictors of mortality. Mortality rates increased with age, higher levels of blood urea nitrogen, and when hemoglobin levels fell below 10 g/dL or calcium levels exceeded 9.5 mg/dL. Conversely, patients who underwent hemodialysis three times a week had higher levels of education, used fistula access, and experienced significantly lower mortality rates. Conclusions: The study highlighted the need for targeted interventions to improve both the survival rates and quality of life for hemodialysis patients in Qazvin Province. It emphasized the importance of careful monitoring and effective management of factors such as age, blood urea nitrogen, hemoglobin, and calcium levels, as well as the patients' educational background, frequency of dialysis sessions, and type of vascular access. By focusing on these aspects, healthcare professionals in the region could significantly enhance patient outcomes and prognoses in hemodialysis care.
Valiabadi et al. (Tue,) studied this question.