Survival and mortality analysis in two nephrology centers: A prospective observational study

Markus Meier, Anna Utte, Emma Smith, Peter Färber, Marko Staben, Philipp Ewald, Ina Thiele, Gesa Geppert, Philipp Bassler, Stefan Jäckle, Martin Nitschke

Abstract

BACKGROUND: The prevalence of chronic kidney disease (CKD) requiring dialysis therapy is increasing globally. Survival and mortality data of these patients in Germany are fragmentary since the nationwide registry was terminated in 2006. OBJECTIVE: The objective of this study was to analyze the survival, causes of death, and co-morbidities of dialysis patients in a German population cohort as well as to assess the factors influencing mortality in these patients. MATERIALS AND METHODS: We included adult, prevalent chronic dialysis patients from the German population who underwent hemodialysis and peritoneal dialysis at our centers between 2014 and 2018. We compared the characteristics of living and deceased patients and assessed survival. Patients with and without diabetes mellitus were also examined, and their co-morbidities were analyzed. RESULTS: Of the 425 patients included in our study (m/f: 235/190), 182 died within the observation period. Mean survival of patients with coronary artery disease (CAD) (n = 217), peripheral artery disease (PAD) (n = 128), and cardiorenal syndrome (CRS) (n = 99) was significantly reduced compared to patients without the disease (CAD: 4.2 vs. 6.4 years; PAD: 4.3 vs. 6.5 years; CRS: 3.7 vs. 7.3 years, p < 0.001, respectively). Patients with diabetes mellitus (n = 110) showed no reduced survival compared to patients without the disease (n = 315) (4.8 vs. 4.9 years, p = 0.421). Diastolic blood pressure (DBP) and C-reactive protein (CRP) levels were associated with dialysis time in linear regression analysis (DBP: R = 0.029, p < 0,001; CRP: R = 0.085, p < 0.001). CONCLUSION: Our results provide novel data regarding German CKD patients requiring dialysis and factors influencing mortality, which could serve as a useful reference for further studies.

OriginalspracheEnglisch
ZeitschriftClinical Nephrology
Jahrgang96
Ausgabenummer6
Seiten (von - bis)337-347
Seitenumfang11
ISSN0301-0430
DOIs
PublikationsstatusVeröffentlicht - 01.12.2021

DFG-Fachsystematik

  • 205-16 Nephrologie

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