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2026, Number 1

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Med Crit 2026; 40 (1)

Ultrasound of intercostal muscles: a tool to predict outcomes in extubation of the critically ill patient

Celestino LJM, Pinedo LM, Vázquez RR

Language: Spanish
References: 16
Page: 43-48
PDF size: 306.56 Kb.


ABSTRACT

Introduction: timely weaning from mechanical ventilation is essential to reduce complications. Predicting success using ultrasound is a simple and noninvasive tool. It has been observed that a thickening fraction of the parasternal intercostal muscle greater than 10% predicts extubation failure. Objective: to determine whether a paraesternal intercostal muscle thickening fraction of less than 10% predicts successful extubation. Material and methods: observational, analytical, longitudinal and prospective study with patients over 18 years of age with invasive mechanical ventilation for more than 24 hours. Ultrasound of the intercostal muscle was performed, and descriptive and inferential analysis was applied with binary logistic regression. Results: 87 patients were included. Successful extubation was observed in 90.8% of patients. The mean value of the thickening fraction of the intercostal muscles was 10 ‹ 2.3 (%). The mean value of patients who had successful extubation was 9.85 ‹ 2.2 and the mean value of patients who had failed extubation was 12.5 ‹ 1.6. Conclusions: patients with values greater than 10% of the intercostal muscle thickening fraction have less probability of successful extubation.


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