Health Services Research & Development

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Inampudi C, Akintoye E, Bengaluru Jayanna M, Asleh R, Briasouli A, Alvarez P, Briasoulis A. Trends in In-Hospital Mortality, Length of Stay, Nonroutine Discharge, and Cost Among End-Stage Renal Disease Patients on Dialysis Hospitalized With Heart Failure (2001-2014). Journal of cardiac failure. 2019 Jul 1; 25(7):524-533.
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Abstract: BACKGROUND: Heart failure (HF) is a common cause of morbidity and mortality among end-stage renal disease (ESRD) patients on dialysis. We aimed to assess the trends and outcomes in primary and secondary HF hospitalizations among ESRD patients with the use of a nationally representative database. METHODS AND RESULTS: We analyzed data from the National Inpatient Sample and the US Census Bureau to calculate annual national rates of in-hospital mortality, length of stay, disposition with a focus on nonroutine discharge (discharge to a health care facility rather than to home), and adjusted median cost among patients with ESRD on dialysis with primary or secondary HF admissions from 2001 to 2014. An estimated 812,090 primary and 2,887,432 secondary HF admissions occurred from 2001 to 2014. The prevalence of comorbidities increased during the study period. Primary HF admission rates increased from 2001 to 2006 and decreased from 2007 to 2014, whereas secondary HF admissions increased significantly during the study period (P < .001). We found statistically significant declines of primary and secondary admission in-hospital mortality, with annual percentage changes of -3.1% and -2.6% respectively (P < .001 for both). In addition, the lengths of stay decreased significantly for primary and secondary HF admissions (P < .001 for both). However, nonroutine discharges increased significantly for both. Subgroup analysis showed higher in-hospital mortality for men, patients >65 years of age, whites, and those on peritoneal dialysis. The cost of hospitalization did not change significantly for primary and secondary HF admissions. CONCLUSION: Among ESRD patients on dialysis with primary or secondary HF admission diagnosis, comorbidity prevalence increased but in-hospital mortality and length of stay decreased significantly from 2001 to 2014.