You have accessJournal of UrologyStone Disease: SWL, Ureteroscopy or Percutaneous Stone Removal (II)1 Apr 20131686 PERCUTANEOUS NEPHROLITHOTOMY IN YOUNG VERSUS OLD PATIENTS: DO PERI-OPERATIVE OUTCOMES AND READMISSIONS VARY AT ACADEMIC CENTERS? Jessica Hannick, James Hotaling, Adam Kadlec, Ahmer Farooq, and Thomas Turk Jessica HannickJessica Hannick Maywood, IL More articles by this author , James HotalingJames Hotaling Chicago, IL More articles by this author , Adam KadlecAdam Kadlec Maywood, IL More articles by this author , Ahmer FarooqAhmer Farooq Maywood, IL More articles by this author , and Thomas TurkThomas Turk Maywood, IL More articles by this author View All Author Informationhttps://doi.org/10.1016/j.juro.2013.02.3048AboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookTwitterLinked InEmail INTRODUCTION AND OBJECTIVES Percutaneous nephrolithotomy (PCNL) is used for select patients with large stone burdens and is associated with high stone-free rates. Urologists may hesitate to use PCNL for older patients due to the morbidity associated with the surgery. Our population-based study investigated the effect of age on peri-operative complications and readmission rates with PCNL. METHODS We identified all patients who underwent PCNL for stone disease between October 2008-October 2012 in 124 select academic medical centers using available data in the University HealthSystem Consortium (UHC) Clinical Data Base. Patients were stratified by age (<65 and ≥65 years) into young and old patient groups respectively. Outcomes analyzed included percentage intensive care unit (ICU) stays, complication rates, and readmission rates (7-day, 14-day, and 30-day). Analyses were performed in STATAv12 with Student's 2-sided t-test for univariate analysis of readmission and ICU stay rates, Wilcoxon rank-sum test for univariate analysis of complication rates, and linear regression for multivariate analysis of readmission rates. RESULTS 5,643 patients were identified in the young group and 1,690 in the old group. Age was associated with similar rates of complications (5.27% in the young group versus 5.98% in the old group), and decreased percentage of 7 and 14-day readmissions in the old group (7-day readmissions: 2.73% in the young group versus 0.93% in the old group, p<0.001, 14-day readmissions: 5.33% in the young group and 2.94% in the old group, p=0.006). Multivariate linear regression analyses comparing age and readmission rates, assuming equal rates of ICU admissions and complications, upheld significance for fewer early readmissions observed in older patients (7-day readmissions: coef -1.759, 95% CI -2.715 to -0.803, p<0.001, 14-day readmissions: coef -2.376, 95% CI -4.025 to -0.727, p=0.005). CONCLUSIONS Patients 65 and older had significantly lower early readmission rates, but overall had comparable outcomes in regards to complications on univariate analysis. Older age portended less frequency of readmission at 7 and 14 days on multivariate analysis. © 2013 by American Urological Association Education and Research, Inc.FiguresReferencesRelatedDetails Volume 189Issue 4SApril 2013Page: e693 Advertisement Copyright & Permissions© 2013 by American Urological Association Education and Research, Inc.MetricsAuthor Information Jessica Hannick Maywood, IL More articles by this author James Hotaling Chicago, IL More articles by this author Adam Kadlec Maywood, IL More articles by this author Ahmer Farooq Maywood, IL More articles by this author Thomas Turk Maywood, IL More articles by this author Expand All Advertisement Advertisement PDF downloadLoading ...