Objective: To explore the correlation between nutritional risk and ICU-acquired weakness(ICU-AW) in patients with acute exacerbation of chronic obstructive pulmonary disease(AECOPD), providing a basis for the clinical prevention and management of ICU-AW. Methods: A total of 178 AECOPD patients who were admitted to the emergency intensive care unit(EICU) of Shanghai public health clinical center from August 2023 to December 2024 and received mechanical ventilation were selected as the study subjects. On the first day of admission, the nutritional risk screening 2002(NRS-2002) was used to assess the nutritional risk of the subjects, who were divided into a high nutritional risk group(NRS-2002 score ≥3) and a low nutritional risk group(score<3). Within 7 days of mechanical ventilation, the medical research council sum score(MRC-SS) was used to assess muscle strength and record the incidence of ICU-acquired weakness(ICU-AW). Based on the occurrence of ICU-AW, the subjects were divided into an ICU-AW group and a control group. Univariate and multivariate Logistic regression analyses were used to analyze the influencing factors of ICU-AW in AECOPD patients, and Kaplan-Meier(K-M) survival curves were plotted for different nutritional risk subgroups. Results: The proportion of patients with high nutritional risk was 55.06%(98/178), and the overall incidence of ICU-AW was 42.13%(75/178). Compared with the control group, the ICU-AW group had significantly higher values or proportions for age, comorbid diabetes, Acute Physiology and Chronic Health Evaluation Ⅱ(APACHEⅡ) score, duration of mechanical ventilation, use of glucocorticoids, feeding intolerance(FI) during enteral nutrition, and high nutritional risk(all P<0.05). Multivariate logistic regression analysis showed that older age, history of diabetes, higher APACHE Ⅱscore, longer mechanical ventilation duration, glucocorticoid use, enteral nutrition-related FI, and high nutritional risk were all independent risk factors for ICU-AW in AECOPD patients(all P<0.05). The K-M survival curve demonstrated a significantly higher cumulative incidence of ICU-AW in the high-nutritional-risk group than in the low-nutritional-risk group(Log-rank χ2=6.130, P<0.05). Conclusion: Nutritional risk status of patients with AECOPD is closely related to the occurrence of ICU-AW. Those with high nutritional risk face a higher risk of ICU-AW occurrence. |
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