Article (Scientific journals)
Quadriceps handheld dynamometry during the post-ICU trajectory: using strictly the same body position is mandatory for repeated measures.
Rousseau, Anne-Françoise; Dardenne, Nadia; Kellens, Isabelle et al.
2023In Intensive Care Medicine Experimental, 11 (1), p. 39
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Keywords :
Conversion; Dynamometry; Equation; Position; Quadriceps strength; Reliability; Critical Care and Intensive Care Medicine
Abstract :
[en] [en] BACKGROUND: The level of quadriceps strength (QS) generated in the supine or seated position is not similar. For QS follow-up from intensive care unit (ICU) stay to recovery, getting comparable measures is essential. This study aimed to develop and validate new equations for estimating QS in a given position based on the measurement taken in another one. METHODS AND RESULTS: Isometric QS was measured using a handheld dynamometer and a standardized protocol in a supine and in a seated position. In a first cohort of 77 healthy adults, two QS conversion equations were developed using a multivariate model integrating independent parameters such as age, sex, body mass index (BMI) and baseline QS. These equations were tested in two cohorts for external validation, using the interclass correlation coefficient (ICC) and Bland-Altman graphical method. Only one was validated in the second cohort (62 different healthy adults): the ICC was 0.87 (95% CI 0.59-0.94) and the bias was - 0.49 N/Kg (limits of agreement: - 1.76-0.78 N/kg). However, this equation did not perform well in the third cohort (50 ICU survivors): the ICC was 0.60 (95% CI 0.24-0.78), and the bias was - 0.53 N/Kg (limits of agreement: - 1.01-2.07 N/kg). CONCLUSIONS: As no conversion equation has been validated in the present study, repeated QS measurements should be performed strictly in the same standardized and documented position.
Disciplines :
Anesthesia & intensive care
Author, co-author :
Rousseau, Anne-Françoise  ;  Centre Hospitalier Universitaire de Liège - CHU > > Service des soins intensifs
Dardenne, Nadia  ;  Université de Liège - ULiège > Département des sciences de la santé publique
Kellens, Isabelle ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de médecine de l'appareil locomoteur
Bornheim, Stephen ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de médecine de l'appareil locomoteur
Misset, Benoît ;  Centre Hospitalier Universitaire de Liège - CHU > > Service des soins intensifs
Croisier, Jean-Louis ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de médecine de l'appareil locomoteur
Language :
English
Title :
Quadriceps handheld dynamometry during the post-ICU trajectory: using strictly the same body position is mandatory for repeated measures.
Publication date :
03 July 2023
Journal title :
Intensive Care Medicine Experimental
eISSN :
2197-425X
Publisher :
Springer Science and Business Media LLC, Germany
Volume :
11
Issue :
1
Pages :
39
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 10 July 2023

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