The prevalence of patient safety indicators and hospital-acquired conditions in patients with ruptured cerebral aneurysms: establishing standard performance measures using the Nationwide Inpatient Sample database
Journal of Neurosurgery: Journal of Neurosurgery: Table of Contents
Journal of Neurosurgery, Volume 119, Issue 6, Page 1633-1640, December 2013.
Object The Agency for Healthcare Research and Quality (AHRQ) patient safety indicators (PSIs) and the Centers for Medicare and Medicaid Services hospital-acquired conditions (HACs) are publicly reported metrics used to gauge the quality of health care provided by health care institutions. To better understand the prevalence of these events in hospitalized patients treated for ruptured cerebral aneurysms, the authors determined the incidence rates of PSIs and HACs among patients with a diagnosis of subarachnoid hemorrhage and procedure codes for either coiling or clipping in the Nationwide Inpatient Sample database. Methods The authors queried the Nationwide Inpatient Sample database, part of the AHRQ's Healthcare Cost and Utilization Project, for all hospitalizations between 2002 and 2010 involving coiling or clipping of ruptured cerebral aneurysms. The incidence rate of each PSI and HAC was determined by searching the hospital records for ICD-9 codes. The authors used the SAS statistical software package to calculate incidence rates and perform multivariate analyses to determine the effects of patient variables on the probability of developing each indicator. Results There were 62,972 patient admissions with a diagnosis code of subarachnoid hemorrhage between the years 2002 and 2010; 10,274 (16.3%) underwent clipping and 8248 (13.1%) underwent endovascular coiling. A total of 6547 PSI and HAC events occurred within the 10,274 patients treated with clipping; at least 1 PSI or HAC occurred in 47.9% of these patients. There were 5623 total PSI and HAC events among the 8248 patients treated with coils; at least 1 PSI or HAC occurred in 51.0% of coil-treated patients. Age, sex, comorbidities, hospital size, and hospital type had statistically significant associations with indicator occurrence. Compared with patients without events, those treated by either clipping or coiling and had at least 1 PSI during their hospitalization had significantly longer lengths of stay (p < 0.001), higher hospital costs (p < 0.001), and higher in-hospital mortality rates (p < 0.001). Conclusions These results estimate baseline national rates of PSIs and HACs in patients treated for ruptured cerebral aneurysms. These data may be used to gauge individual institutional quality of care and patient safety metrics in comparison with national data.
Original Article: http://thejns.org/doi/abs/10.3171/2013.7.JNS13595?ai=ru&mi=0&af=R
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