Longer interdialytic interval and cause-specific hospitalization in children receiving chronic dialysis.

TitleLonger interdialytic interval and cause-specific hospitalization in children receiving chronic dialysis.
Publication TypeJournal Article
Year of Publication2013
AuthorsSpringel T, Laskin BL, Shults J, Keren R, Furth S
JournalNephrol Dial Transplant
Volume28
Issue10
Pagination2628-36
Date Published2013 Oct
ISSN1460-2385
KeywordsAdolescent, Adult, Body Water, Child, Child, Preschool, Female, Follow-Up Studies, Glomerular Filtration Rate, Hospitalization, Humans, Kidney Diseases, Kidney Function Tests, Male, Peritoneal Dialysis, Prognosis, Renal Dialysis, Time Factors, Water-Electrolyte Imbalance, Young Adult
Abstract

BACKGROUND: Previous studies have demonstrated a relationship between longer interdialytic intervals and hospitalization for cardiovascular causes in adults maintained on hemodialysis (HD). This association has not been previously demonstrated in children. We hypothesized that the risk of hospitalization for hypertension (HTN), fluid overload or electrolyte abnormalities would be increased on the days following a longer interdialytic interval in children.

METHODS: We queried the Pediatric Hospital Information System for all admissions of patients with chronic kidney disease stage V or V-D who received dialysis during the hospitalization. Admissions were divided into two categories: admissions for HTN, fluid overload or electrolyte abnormalities and admissions for all other causes. We assumed that HD patients did not receive dialysis on weekends, and therefore any admission on Monday occurred following a longer interval from the last dialysis. We assumed that all peritoneal dialysis (PD) patients received dialysis on a daily basis. We used mixed effects logistic regression, clustering by patient within each hospital, to assess the increased odds for cause-specific admission on Monday versus other days of the week. We stratified the analysis by dialysis modality, HD or PD.

RESULTS: Among HD patients, the odds ratio of admission for HTN, fluid overload or electrolyte abnormalities was 2.6 (95% CI = 1.4-4.7, P = 0.003) if the admission occurred on a Monday versus other days of the week. The odds of cause-specific admission among PD patients was not significantly different on Monday compared with other days of the week (95% CI =0.5-1.3, P = 0.8).

CONCLUSION: Children receiving chronic HD are more likely to be hospitalized for HTN, fluid overload or electrolyte abnormalities following a longer interdialytic interval. Changes to the frequency of outpatient dialysis treatments may decrease admissions in this population and decrease resource utilization in this high-risk population.

DOI10.1093/ndt/gft276
Alternate JournalNephrol. Dial. Transplant.
PubMed ID23861468
PubMed Central IDPMC3784838
Grant List1KM1CA156715-01 / CA / NCI NIH HHS / United States
5T32HD064567-02 / HD / NICHD NIH HHS / United States
K24 DK078737 / DK / NIDDK NIH HHS / United States
K24DK078737 / DK / NIDDK NIH HHS / United States
UL1 TR000077 / TR / NCATS NIH HHS / United States