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Muscle Weakness and 5-Year Survival in Acute Respiratory Distress Syndrome Survivors.

ABSTRACT: OBJECTIVES:To longitudinally evaluate the association of post-ICU muscle weakness and associated trajectories of weakness over time with 5-year survival. DESIGN:Longitudinal prospective cohort study over 5 years of follow-up. SETTING:Thirteen ICUs in four hospitals in Baltimore, MD. PATIENTS:One hundred fifty-six acute respiratory distress syndrome survivors. INTERVENTIONS:None. MEASUREMENTS AND MAIN RESULTS:Strength was evaluated with standardized manual muscle testing using the Medical Research Council sum score (range, 0-60; higher is better), with post-ICU weakness defined as sum score less than 48. Muscle strength was assessed at hospital discharge and at 3, 6, 12, 24, 36, and 48 months after acute respiratory distress syndrome. At discharge, 38% of patients had muscle weakness. Every one point increase in sum score at discharge was associated with improved survival (hazard ratio [95% CI], 0.96 [0.94-0.98]), with similar findings longitudinally (0.95 [0.93-0.98]). Having weakness at discharge was associated with worse 5-year survival (1.75 [1.01-3.03]), but the association was attenuated (1.54 [0.82-2.89]) when evaluated longitudinally over follow-up. Persisting and resolving trajectories of muscle weakness, occurring in 50% of patients during follow-up, were associated with worse survival (3.01 [1.12-8.04]; and 3.14 [1.40-7.03], respectively) compared to a trajectory of maintaining no muscle weakness. CONCLUSIONS:At hospital discharge, greater than one third of acute respiratory distress syndrome survivors had muscle weakness. Greater strength at discharge and throughout follow-up was associated with improved 5-year survival. In patients with post-ICU weakness, both persisting and resolving trajectories were commonly experienced and associated with worse survival during follow-up.

SUBMITTER: Dinglas VD

PROVIDER: S-EPMC5315580 | biostudies-literature | 2017 Mar

REPOSITORIES: biostudies-literature

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Muscle Weakness and 5-Year Survival in Acute Respiratory Distress Syndrome Survivors.

Dinglas Victor D VD Aronson Friedman Lisa L Colantuoni Elizabeth E Mendez-Tellez Pedro A PA Shanholtz Carl B CB Ciesla Nancy D ND Pronovost Peter J PJ Needham Dale M DM

Critical care medicine 20170301 3

<h4>Objectives</h4>To longitudinally evaluate the association of post-ICU muscle weakness and associated trajectories of weakness over time with 5-year survival.<h4>Design</h4>Longitudinal prospective cohort study over 5 years of follow-up.<h4>Setting</h4>Thirteen ICUs in four hospitals in Baltimore, MD.<h4>Patients</h4>One hundred fifty-six acute respiratory distress syndrome survivors.<h4>Interventions</h4>None.<h4>Measurements and main results</h4>Strength was evaluated with standardized manu ...[more]

PMID: 28067712

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Project description:BACKGROUND:To evaluate participant-related variables associated with missing assessment(s) at follow-up visits during a longitudinal research study. METHODS:This is a prospective, longitudinal, multi-site study of 196 acute respiratory distress syndrome (ARDS) survivors. More than 30 relevant sociodemographic, physical status, and mental health variables (representing participant characteristics prior to ARDS, at hospital discharge, and at the immediately preceding follow-up visit) were evaluated for association with missed assessments at 3, 6, 12, and 24-month follow-up visits (89-95% retention rates), using binomial logistic regression. RESULTS:Most participants were male (56%), white (58%), and???high school education (64%). Sociodemographic characteristics were not associated with missed assessments at the initial 3-month visit or subsequent visits. The number of dependencies in Activities of Daily Living (ADLs) at hospital discharge was associated with higher odds of missed assessments at the initial visit (OR: 1.26, 95% CI: 1.12, 1.43). At subsequent 6-, 12-, and 24 months visits, post-hospital discharge physical and psychological status were not associated with subsequent missed assessments. Instead, the following were associated with lower odds of missed assessments: indicators of poorer health prior to hospital admission (inability to walk 5 min (OR: 0.46; 0.23, 0.91), unemployment due to health (OR: 0.47; 0.23, 0.96), and alcohol abuse (OR: 0.53; 0.28, 0.97)) and having the preceding visit at the research clinic rather than at home/facility, or by phone/mail (OR: 0.54; 0.31, 0.96). Inversely, variables associated with higher odds of missed assessments at subsequent visits include: functional dependency prior to hospital admission (i.e. dependency with >?=?2 Instrumental Activities of Daily Living (IADLs) (OR: 1.96; 1.08, 3.52), and missing assessments at preceding visit (OR: 2.26; 1.35, 3.79). CONCLUSIONS:During the recovery process after hospital discharge, dependencies in physical functioning (e.g. ADLs, IADLs) prior to hospitalization and at hospital discharge were associated with higher odds of missed assessments. Conversely, other indicators of poorer health at baseline were associated with lower odds of missed assessments after the initial post-discharge visit. To reduce missing assessments, longitudinal clinical research studies may benefit from focusing additional resources on participants with dependencies in physical functioning prior to hospitalization and at hospital discharge.

Project description:OBJECTIVES:Much of the research related to pediatric acute respiratory distress syndrome has focused on inhospital mortality and interventions affecting this outcome. Limited data exist on survivors' morbidity, hospital disposition, and 1-year survival. The aim of this study was to determine new morbidity rate, discharge disposition, and 1-year mortality for survivors of pediatric acute respiratory distress syndrome. DESIGN:Secondary analysis of prospective cohort study. SETTING:Quaternary children's hospital. PATIENTS:Three-hundred sixteen mechanically ventilated children with pediatric acute respiratory distress syndrome (Berlin and Pediatric Acute Lung Injury Consensus Conference criteria) between July 2011 and December 2014. INTERVENTIONS:None. MEASUREMENTS AND MAIN RESULTS:We performed secondary analysis of a prospectively recruited cohort of 316 mechanically ventilated children with pediatric acute respiratory distress syndrome between July 2011, and December 2014. Preillness and hospital discharge Functional Status Scale score were determined via chart review, and factors associated with new morbidity, defined as an increase of Functional Status Scale score of 3 or more, were analyzed. Demographic variables, pediatric acute respiratory distress syndrome characteristics, and ventilator management were tested for association with development of new morbidity, discharge disposition, and 1-year mortality. Inhospital mortality of pediatric acute respiratory distress syndrome was 13.3% (42/316). Of 274 survivors to hospital discharge, new morbidity was seen in 63 patients (23%). Discharge to rehabilitation rate was 24.5% (67/274) and associated with development of new morbidity. One- and 3-year mortality of survivors was 5.5% (15 deaths) and 8% (22 deaths) and was associated with baseline Functional Status Scale, immunocompromised status, Pediatric Risk of Mortality III, and organ failures at pediatric acute respiratory distress syndrome onset, but not with pediatric acute respiratory distress syndrome severity. CONCLUSIONS:New morbidity was common after pediatric acute respiratory distress syndrome and appears to be intermediate phenotype between survival without morbidity and death, making it a useful metric in future interventional and outcome studies in pediatric acute respiratory distress syndrome.

Project description:RationaleNearly 60% of patients who are intubated in intensive care units (ICUs) experience dysphagia after extubation, and approximately 50% of them aspirate. Little is known about dysphagia recovery time after patients are discharged from the hospital.ObjectivesTo determine factors associated with recovery from dysphagia symptoms after hospital discharge for acute respiratory distress syndrome (ARDS) survivors who received oral intubation with mechanical ventilation.MethodsThis is a prospective, 5-year longitudinal cohort study involving 13 ICUs at four teaching hospitals in Baltimore, Maryland. The Sydney Swallowing Questionnaire (SSQ), a 17-item visual analog scale (range, 0-1,700), was used to quantify patient-perceived dysphagia symptoms at hospital discharge, and at 3, 6, 12, 24, 36, 48, and 60 months after ARDS. An SSQ score greater than or equal to 200 was used to indicate clinically important dysphagia symptoms at the time of hospital discharge. Recovery was defined as an SSQ score less than 200, with a decrease from hospital discharge greater than or equal to 119, the reliable change index for SSQ score. Fine and Gray proportional subdistribution hazards regression analysis was used to evaluate patient and ICU variables associated with time to recovery accounting for the competing risk of death.Measurements and main resultsThirty-seven (32%) of 115 patients had an SSQ score greater than or equal to 200 at hospital discharge; 3 died before recovery. All 34 remaining survivors recovered from dysphagia symptoms by 5-year follow-up, 7 (23%) after 6 months. ICU length of stay was independently associated with time to recovery, with a hazard ratio (95% confidence interval) of 0.96 (0.93-1.00) per day.ConclusionsOne-third of orally intubated ARDS survivors have dysphagia symptoms that persist beyond hospital discharge. Patients with a longer ICU length of stay have slower recovery from dysphagia symptoms and should be carefully considered for swallowing assessment to help prevent complications related to dysphagia.

Dataset Information

Muscle Weakness and 5-Year Survival in Acute Respiratory Distress Syndrome Survivors.

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Muscle Weakness and 5-Year Survival in Acute Respiratory Distress Syndrome Survivors.

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