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      Long-term outcome in medical patients aged 80 or over following admission to an intensive care unit

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          Abstract

          Introduction

          The aim of this study was to evaluate factors influencing short- and long-term survival in medical patients aged 80 and over following admission to an intensive care unit.

          Methods

          All patients aged 80 years or over and admitted between 2001 and 2006 were included in this study. Survival was evaluated between the time of admission and June 2009; factors associated with mortality were determined. Health-related quality of life was evaluated using Short Form (SF)-36 in long-term survivors.

          Results

          For the 299 patients included (mean age, 84 ± 4 y), hospital mortality was 55%. Factors independently associated with hospital mortality were a higher SAPS II score at ICU admission; the existence of a fatal disease as reflected by the McCabe score and a cardiac diagnosis at admission. In the 133 hospital survivors, median survival time was 710 days (95% CI, 499-921). Two-year mortality rates were 79% of the initial cohort and 53% of hospital survivors. The standardized ratio of mortality at 2 years after hospital discharge was 2.56 (95% CI, 2.08-3.12) when compared with age- and gender-adjusted mortality of the general population. Factors independently associated with mortality at 2 years after hospital discharge were SAPS II score at ICU admission and the McCabe score. Conversely, functional status prior to admission as assessed by Knaus or Karnofsky scores was not associated with long-term mortality. In long-term survivors, SF-36 physical function scores were poor but scores for pain, emotional well-being and social function were not much affected.

          Conclusions

          The severity of acute disease at admission influences mortality at the hospital and following discharge in patients aged 80 or over. Although up to 50% of patients discharged from the hospital were still alive at 2 years, mortality was increased when compared with the general population. Physical function of long-term hospital survivors was greatly altered.

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          Most cited references23

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          APACHE-acute physiology and chronic health evaluation: a physiologically based classification system.

          Investigations describing the utilization pattern and documenting the value of intensive care are limited by the lack of a reliable and valid classification system. In this paper, the authors describe the development and initial validation of acute physiology and chronic health evaluation (APACHE), a physiologically based classification system for measuring severity of illness in groups of critically ill patients. APACHE uses information available in the medical record. In studies on 582 admissions to a university hospital ICU and 223 admissions to a community hospital ICU, APACHE was reliable in classifying ICU admissions. In validation studies involving these 805 admissions, the acute physiology score of APACHE demonstrated consistent agreement with subsequent therapeutic effort and mortality. This was true for a broad range of patient groups using a variety of sensitivity analyses. After successful completion of multi-institutional validation studies, the APACHE classification system could be used to control for case mix, compare outcomes, evaluate new therapies, and study the utilization of ICUs.
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            A new Simplified Acute Physiology Score (SAPS II) based on a European/North American multicenter study

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              One-year trajectories of care and resource utilization for recipients of prolonged mechanical ventilation: a cohort study.

              Growing numbers of critically ill patients receive prolonged mechanical ventilation. Little is known about the patterns of care as patients transition from acute care hospitals to postacute care facilities or about the associated resource utilization. To describe 1-year trajectories of care and resource utilization for patients receiving prolonged mechanical ventilation. 1-year prospective cohort study. 5 intensive care units at Duke University Medical Center, Durham, North Carolina. 126 patients receiving prolonged mechanical ventilation (defined as ventilation for >or=4 days with tracheostomy placement or ventilation for >or=21 days without tracheostomy), as well as their 126 surrogates and 54 intensive care unit physicians, enrolled consecutively over 1 year. Patients and surrogates were interviewed in the hospital, as well as 3 and 12 months after discharge, to determine patient survival, functional status, and facility type and duration of postdischarge care. Physicians were interviewed in the hospital to elicit prognoses. Institutional billing records were used to assign costs for acute care, outpatient care, and interfacility transportation. Medicare claims data were used to assign costs for postacute care. 103 (82%) hospital survivors had 457 separate transitions in postdischarge care location (median, 4 transitions [interquartile range, 3 to 5 transitions]), including 68 patients (67%) who were readmitted at least once. Patients spent an average of 74% (95% CI, 68% to 80%) of all days alive in a hospital or postacute care facility or receiving home health care. At 1 year, 11 patients (9%) had a good outcome (alive with no functional dependency), 33 (26%) had a fair outcome (alive with moderate dependency), and 82 (65%) had a poor outcome (either alive with complete functional dependency [4 patients; 21%] or dead [56 patients; 44%]). Patients with poor outcomes were older, had more comorbid conditions, and were more frequently discharged to a postacute care facility than patients with either fair or good outcomes (P < 0.05 for all). The mean cost per patient was $306,135 (SD, $285,467), and total cohort cost was $38.1 million, for an estimated $3.5 million per independently functioning survivor at 1 year. The results of this single-center study may not be applicable to other centers. Patients receiving prolonged mechanical ventilation have multiple transitions of care, resulting in substantial health care costs and persistent, profound disability. The optimism of surrogate decision makers should be balanced by discussions of these outcomes when considering a course of prolonged life support. None.
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                Author and article information

                Journal
                Crit Care
                Critical Care
                BioMed Central
                1364-8535
                1466-609X
                2011
                24 January 2011
                : 15
                : 1
                : R36
                Affiliations
                [1 ]Medical Intensive Care Unit, Hôpital Nord, Chemin des Bourrely, Marseille, 13015, France
                [2 ]Department of Medical Information, Hôpital Sainte Marguerite, 269 Boulevard de Sainte Marguerite, Marseille, 13274, France
                Article
                cc9984
                10.1186/cc9984
                3222073
                21261976
                52f402b9-4d54-4845-827e-05ba3a99241e
                Copyright ©2011 Roch et al.; licensee BioMed Central Ltd.

                This is an open access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 2 July 2010
                : 1 November 2010
                : 24 January 2011
                Categories
                Research

                Emergency medicine & Trauma
                Emergency medicine & Trauma

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