Variability in the rectus femoris muscle area and its association with clinical
            outcomes in critically ill patients: a prospective cohort study

Magalhães, Laura Monteiro; Rossato, Eduardo Vestena; Filho, João Wilney Franco; Nedel, Wagner Luís

doi:10.5935/0103-507x.20200023

Cited by 2 publications

(2 citation statements)

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“…Rectus femoris cross-sectional area ultrasound evaluation is considered to be a simple, noninvasive, and easily reproducible bedside method and can be used as a marker of peripheral muscle wasting in critically ill patients during the ICU stay. ( 27 - 31 ) Muscle wasting in this context is associated with worse patient-centered outcomes, ( 28 - 30 ) and RF-CSA may indirectly infer muscle reserve. ( 31 ) In our data, a cutoff measurement of RF-CSA ≥ 1.80cm 2 was an independent predictor of weaning success but was not associated with lower ICU mortality.…”

Section: Discussionmentioning

confidence: 99%

“…( 27 - 31 ) Muscle wasting in this context is associated with worse patient-centered outcomes, ( 28 - 30 ) and RF-CSA may indirectly infer muscle reserve. ( 31 ) In our data, a cutoff measurement of RF-CSA ≥ 1.80cm 2 was an independent predictor of weaning success but was not associated with lower ICU mortality. Respiratory muscles and skeletal muscles are strongly affected by critical illnesses that contribute to prolongation of MV and failure of weaning.…”

Section: Discussionmentioning

confidence: 99%

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Association between rectus femoris cross-sectional area and diaphragmatic excursion with weaning of tracheostomized patients in the intensive care unit

Vieira¹,

Bertazzo²,

Nascimento³

et al. 2022

Revista Brasileira De Terapia Intensiva

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Objective To verify the relationship between the rectus femoris cross-sectional area and diaphragmatic excursion with successful weaning from mechanical ventilation in chronic critically tracheostomized patients. Methods This was a prospective observational cohort study. We included chronic critically ill patients (those who underwent tracheostomy placement after 10 days under mechanical ventilation). The rectus femoris cross-sectional area and diaphragmatic excursion were obtained by ultrasonography performed within the first 48 hours after tracheostomy. We measured rectus femoris cross-sectional area and diaphragmatic excursion to assess their association with weaning from mechanical ventilation, including their potential to predict successful weaning and survival throughout the intensive care unit stay. Results Eighty-one patients were included. Forty-five patients (55%) were weaned from mechanical ventilation. The mortality rates were 42% and 61.7% in the intensive care unit and hospital, respectively. The fail group in relation to the success group at weaning presented a lower rectus femoris cross-sectional area (1.4 [0.8] versus 1.84 [0.76]cm2, p = 0.014) and lower diaphragmatic excursion (1.29 ± 0.62 versus 1.62 ± 0.51cm, p = 0.019). When rectus femoris cross-sectional area ≥ 1.80cm2 and diaphragmatic excursion ≥ 1.25cm was a combined condition, it had a strong association with successful weaning (adjusted OR = 20.81, 95%CI 2.38 - 182.28; p = 0.006) but not with intensive care unit survival (adjusted OR = 0.19, 95%CI 0.03 - 1.08; p = 0.061). Conclusion Successful weaning from mechanical ventilation in chronic critically ill patients was associated with higher measurements of rectus femoris cross-sectional area and diaphragmatic excursion.

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