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Dialysis specialist care and patient survival in hemodialysis facilities: a Korean nationwide cohort study
- Title
- Dialysis specialist care and patient survival in hemodialysis facilities: a Korean nationwide cohort study
- Authors
- Park H.C.; Kim D.H.; Cho A.; Kwon Y.E.; Ryu D.-R.; Kim J.; Yang K.H.; Shin J.H.; Son E.J.; Lee Y.-K.
- Ewha Authors
- 류동열
- SCOPUS Author ID
- 류동열
- Issue Date
- 2023
- Journal Title
- Kidney Research and Clinical Practice
- ISSN
- 2211-9132
- Citation
- Kidney Research and Clinical Practice vol. 42, no. 3, pp. 379 - 388
- Keywords
- Dialysis; Hemodialysis units; Mortality; Specialist
- Publisher
- The Korean Society of Nephrology
- Indexed
- SCIE; SCOPUS; KCI
- Document Type
- Article
- Abstract
- Background: It is important for the dialysis specialist to provide essential and safe care to hemodialysis (HD) patients. However, little is known about the actual effect of dialysis specialist care on the survival of HD patients. We therefore investigated the influence of dialysis specialist care on patient mortality in a nationwide Korean dialysis cohort. Methods: We used an HD quality assessment and National Health Insurance Service claims data from October to December 2015. A total of 34,408 patients were divided into two groups according to the proportion of dialysis specialists in their HD unit, as follows: 0%, no dialysis specialist care group, and ≥50%, dialysis specialist care group. We analyzed the mortality risk of these groups using the Cox proportional hazards model after matching propensity scores. Results: After propensity score matching, 18,344 patients were enrolled. The ratio of patients from the groups with and without dialysis specialist care was 86.7% to 13.3%. The dialysis specialist care group showed a shorter dialysis vintage, higher levels of hemoglo-bin, higher single-pool Kt/V values, lower levels of phosphorus, and lower systolic and diastolic blood pressures than the no dialysis specialist care group. After adjusting demographic and clinical parameters, the absence of dialysis specialist care was a significant in-dependent risk factor for all-cause mortality (hazard ratio, 1.10; 95% confidence interval, 1.03–1.18; p = 0.004). Conclusion: Dialysis specialist care is an important determinant of overall patient survival among HD patients. Appropriate care given by dialysis specialists may improve clinical outcomes of patients undergoing HD. © 2023 by The Korean Society of Nephrology.
- DOI
- 10.23876/j.krcp.22.103
- Appears in Collections:
- 의과대학 > 의학과 > Journal papers
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