Five-Year Mortality and Hospital Costs Associated with Surviving Intensive Care

被引:167
作者
Lone, Nazir I. [1 ,2 ]
Gillies, Michael A. [2 ]
Haddow, Catriona [3 ]
Dobbie, Richard [3 ]
Rowan, Kathryn M. [4 ]
Wild, Sarah H. [1 ]
Murray, Gordon D. [1 ]
Walsh, Timothy S. [2 ]
机构
[1] Univ Edinburgh, Usher Inst Populat Hlth Sci & Informat, Teviot Pl, Edinburgh EH8 9AG, Midlothian, Scotland
[2] Univ Edinburgh, Royal Infirm Edinburgh, Dept Anaesthesia Crit Care & Pain, Edinburgh, Midlothian, Scotland
[3] NHS Scotland, Informat Serv Div, Edinburgh, Midlothian, Scotland
[4] Intens Care Natl Audit & Res Ctr, London, England
关键词
intensive care; mortality; hospital readmission; hospital costs; registries; QUALITY-OF-LIFE; LONG-TERM OUTCOMES; RESPIRATORY-DISTRESS-SYNDROME; RANDOMIZED CONTROLLED-TRIAL; CRITICAL ILLNESS; UNIT SURVIVORS; RESOURCE USE; FOLLOW-UP; PHYSICAL REHABILITATION; CLINICAL-TRIAL;
D O I
10.1164/rccm.201511-2234OC
中图分类号
R4 [临床医学];
学科分类号
1002 ; 100602 ;
摘要
Rationale: Survivors of critical illness experience significant morbidity, but the impact of surviving the intensive care unit (ICU) has not been quantified comprehensively at a population level. Objectives: To identify factors associated with increased hospital resource use and to ascertain whether ICU admission was associated with increased mortality and resource use. Methods: Matched cohort study and pre/post-analysis using national linked data registries with complete population coverage. The population consisted of patients admitted to all adult general ICUs during 2005 and surviving to hospital discharge, identified from the Scottish Intensive Care Society Audit Group registry, matched (1: 1) with similar hospital control subjects. Five-year outcomes included mortality and hospital resource use. Confounder adjustment was based on multivariable regression and pre/post within-individual analyses. Measurements and Main Results: Of 7,656 ICU patients, 5,259 survived to hospital discharge (5,215 [99.2% [matched to hospital control subjects). Factors present before ICU admission (comorbidities/pre-ICU hospitalizations) were stronger predictors of hospital resource use than acute illness factors. In the 5 years after the initial hospital discharge, compared with hospital control subjects, the ICU cohort had higher mortality (32.3% vs. 22.7%; hazard ratio, 1.33; 95% confidence interval, 1.22-1.46; P < 0.001), used more hospital resources (mean hospital admission rate, 4.8 vs. 3.3/person/5 yr), and had 51% higher mean 5-year hospital costs ($25,608 vs. $16,913/patient). Increased resource use persisted after confounder adjustment (P < 0.001) and using pre/post-analyses (P < 0.001). Excess resource use and mortality were greatest for younger patients without significant comorbidity. Conclusions: This complete, national study demonstrates that ICU survivorship is associated with higher 5-year mortality and hospital resource use than hospital control subjects, representing a substantial burden on individuals, caregivers, and society.
引用
收藏
页码:198 / 208
页数:11
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