Understanding patient outcomes after acute respiratory distress syndrome: identifying subtypes of physical, cognitive and mental health outcomes.

Autor:	Brown, Samuel M., Wilson, Emily L., Presson, Angela P., Dinglas, Victor D., Greene, Tom, Hopkins, Ramona O., Needham, Dale M., with the National Institutes of Health NHLBI ARDS Network
Předmět:	HEALTH outcome assessment ADULT respiratory distress syndrome COGNITION MENTAL health EVALUATION of medical care STATISTICS on Hispanic Americans AGE distribution COGNITION disorders COMPARATIVE studies LONGITUDINAL method RESEARCH methodology MEDICAL cooperation MENTAL illness PROGNOSIS PSYCHOLOGICAL tests QUALITY of life RESEARCH SEX distribution SMOKING EVALUATION research RANDOMIZED controlled trials SEVERITY of illness index ACUTE diseases PSYCHOLOGY
Zdroj:	Thorax; Dec2017, Vol. 72 Issue 12, p1094-1103, 10p
Abstrakt:	Purpose: With improving short-term mortality in acute respiratory distress syndrome (ARDS), understanding survivors' posthospitalisation outcomes is increasingly important. However, little is known regarding associations among physical, cognitive and mental health outcomes. Identification of outcome subtypes may advance understanding of post-ARDS morbidities.Methods: We analysed baseline variables and 6-month health status for participants in the ARDS Network Long-Term Outcomes Study. After division into derivation and validation datasets, we used weighted network analysis to identify subtypes from predictors and outcomes in the derivation dataset. We then used recursive partitioning to develop a subtype classification rule and assessed adequacy of the classification rule using a kappa statistic with the validation dataset.Results: Among 645 ARDS survivors, 430 were in the derivation and 215 in the validation datasets. Physical and mental health status, but not cognitive status, were closely associated. Four distinct subtypes were apparent (percentages in the derivation cohort): (1) mildly impaired physical and mental health (22% of patients), (2) moderately impaired physical and mental health (39%), (3) severely impaired physical health with moderately impaired mental health (15%) and (4) severely impaired physical and mental health (24%). The classification rule had high agreement (kappa=0.89 in validation dataset). Female Latino smokers had the poorest status, while male, non-Latino non-smokers had the best status.Conclusions: We identified four post-ARDS outcome subtypes that were predicted by sex, ethnicity, pre-ARDS smoking status and other baseline factors. These subtypes may help develop tailored rehabilitation strategies, including investigation of combined physical and mental health interventions, and distinct interventions to improve cognitive outcomes. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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