American journal of respiratory and critical care medicine · 2015
Bedside assessment of quadriceps muscle by ultrasound after admission for acute exacerbations of chronic respiratory disease.
СтатьяНаблюдательное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Greening Neil J, Harvey-Dunstan Theresa C, Chaplin Emma J, Vincent Emma E, Morgan Mike D, Singh Sally J, Steiner Michael C
Аннотация
RATIONALE: Hospitalization represents a major event for the patient with chronic respiratory disease. There is a high risk of readmission, which over the longer term may be related more closely to the underlying condition of the patient, such as skeletal muscle dysfunction.
OBJECTIVES: We assessed the risk of hospital readmission at 1 year, including measures of lower limb muscle as part of a larger clinical trial.
METHODS: Patients hospitalized with an exacerbation of chronic respiratory disease underwent measures of muscle function including quadriceps ultrasound. Independent factors influencing time to hospital readmission or death were identified. Patients were classified into four quartiles based on quadriceps size and compared.
MEASUREMENTS AND MAIN RESULTS: One hundred and ninety-one patients (mean age, 71.6 [SD, 9.1] yr) were recruited. One hundred and thirty (68%) were either readmitted or died. Factors associated with readmission or death were age (odds ratio [OR], 1.05; 95% confidence interval [CI], 1.01-1.08; P = 0.015), Medical Research Council (MRC) dyspnea grade (OR, 4.57; 95% CI, 2.62-7.95; P < 0.001), home oxygen use (OR, 12.4; 95% CI, 4.53-33.77; P < 0.001), quadriceps (rectus femoris) cross-sectional area (Qcsa) (OR, 0.34; 95% CI, 0.17-0.65; P = 0.001), and hospitalization in the previous year (OR, 4.82; 95% CI, 2.42-9.58; P < 0.001). In the multivariate analyses, home oxygen use (OR, 4.80; 95% CI, 1.68-13.69; P = 0.003), MRC dyspnea grade (OR, 2.57; 95% CI, 1.44-4.59; P = 0.001), Qcsa (OR, 0.46; 95% CI, 0.22-0.95; P = 0.035), and previous hospitalization (OR, 3.04; 95% CI, 1.47-6.29; P = 0.003) were independently associated with readmission or death. Patients with the smallest muscle spent more days in hospital than those with largest muscle (28.1 [SD, 33.9] vs. 12.2 [SD, 23.5] d; P = 0.007).
CONCLUSIONS: Smaller quadriceps muscle size, as measured by ultrasound in the acute care setting, is an independent risk factor for unscheduled readmission or death, which may have value both in clinical practice and for risk stratification.
OBJECTIVES: We assessed the risk of hospital readmission at 1 year, including measures of lower limb muscle as part of a larger clinical trial.
METHODS: Patients hospitalized with an exacerbation of chronic respiratory disease underwent measures of muscle function including quadriceps ultrasound. Independent factors influencing time to hospital readmission or death were identified. Patients were classified into four quartiles based on quadriceps size and compared.
MEASUREMENTS AND MAIN RESULTS: One hundred and ninety-one patients (mean age, 71.6 [SD, 9.1] yr) were recruited. One hundred and thirty (68%) were either readmitted or died. Factors associated with readmission or death were age (odds ratio [OR], 1.05; 95% confidence interval [CI], 1.01-1.08; P = 0.015), Medical Research Council (MRC) dyspnea grade (OR, 4.57; 95% CI, 2.62-7.95; P < 0.001), home oxygen use (OR, 12.4; 95% CI, 4.53-33.77; P < 0.001), quadriceps (rectus femoris) cross-sectional area (Qcsa) (OR, 0.34; 95% CI, 0.17-0.65; P = 0.001), and hospitalization in the previous year (OR, 4.82; 95% CI, 2.42-9.58; P < 0.001). In the multivariate analyses, home oxygen use (OR, 4.80; 95% CI, 1.68-13.69; P = 0.003), MRC dyspnea grade (OR, 2.57; 95% CI, 1.44-4.59; P = 0.001), Qcsa (OR, 0.46; 95% CI, 0.22-0.95; P = 0.035), and previous hospitalization (OR, 3.04; 95% CI, 1.47-6.29; P = 0.003) were independently associated with readmission or death. Patients with the smallest muscle spent more days in hospital than those with largest muscle (28.1 [SD, 33.9] vs. 12.2 [SD, 23.5] d; P = 0.007).
CONCLUSIONS: Smaller quadriceps muscle size, as measured by ultrasound in the acute care setting, is an independent risk factor for unscheduled readmission or death, which may have value both in clinical practice and for risk stratification.