Author:
de Souza Mariana Angélica,Martinez Edson Zangiacomi,da Silva Lizzi Elisângela Aparecida,Cezarani Ananda,de Queiroz Davoli Gabriela Barroso,Bená Marjory Irineu,da Rosa Sobreira Cláudia Ferreira,Mattiello-Sverzut Ana Claudia
Abstract
Abstract
Background
The commonly used dynamometers can be ineffective in evaluating handgrip in patients with Duchenne muscular dystrophy (DMD), especially children with generalized muscle weakness. The aim of this study was to analyze whether the modified sphygmomanometer is an effective instrument for handgrip strength evaluation in patients with DMD, during different stages of the disease.
Method
The handgrip strength of 33 patients was evaluated by the Jamar dynamometer and the modified sphygmomanometer. Motor function was evaluated by the Motor Function Measurement (MFM) scale. Four evaluations, with a six-month interval between each, were performed: Evaluation 1 (N = 33), Evaluation 2 (N = 24), Evaluation 3 (N = 15), and Evaluation 4 (N = 8). A linear regression model with mixed effects was used for the longitudinal data and descriptive analysis of strength for all four evaluations.
Result
The first evaluation data presented very high correlations between the dynamometer and the modified sphygmomanometer (r = 0.977; p < 0.001). The longitudinal analysis showed a significant difference between Evaluation 1 and the other handgrip strength evaluations obtained using the dynamometer (p < 0.05) but not the modified sphygmomanometer (p > 0.05). Null values were obtained only when using the dynamometer device.
Conclusion
The modified sphygmomanometer seems to be more suitable than the dynamometer for measuring handgrip strength in all stages of DMD.
Funder
CNPq (Conselho Nacional de Desenvolvimento Científico e Tecnológico) CAPES
Publisher
Springer Science and Business Media LLC
Subject
Pediatrics, Perinatology and Child Health
Cited by
1 articles.
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