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Open AccessArticle

Longitudinal Changes of Handgrip, Knee Extensor Muscle Strength, and the Disability of the Arm, Shoulder and Hand Score in Cardiac Patients During Phase II Cardiac Rehabilitation

1
Department of Public Health, Graduate School of Health Sciences, Kobe University, Kobe 654-0142, Japan
2
Cardiovascular stroke Renal Project (CRP), Kobe 654-0142, Japan
3
Department of Rehabilitation Medicine, St. Marianna University School of Medicine Yokohama-city Seibu Hospital, Yokohama 241-0811, Japan
4
Department of Rehabilitation Medicine, St. Marianna University School of Medicine Hospital, Kawasaki 216-8511, Japan
5
Department of Physical Therapy, Tokushima Bunri University, Tokushima 770-8514, Japan
6
Faculty of Sport Sciences, Waseda University, Saitama 359-1192, Japan
*
Author to whom correspondence should be addressed.
Diseases 2019, 7(1), 32; https://doi.org/10.3390/diseases7010032
Received: 12 February 2019 / Revised: 23 March 2019 / Accepted: 23 March 2019 / Published: 26 March 2019
Handgrip strength (HS) and knee extensor muscle strength (KEMS) showed a negative correlation with the Disabilities of the Arm, Shoulder, and Hand (DASH) score at one month following cardiac surgery. We performed a longitudinal study to examine changes in HS/KEMS and DASH score during phase II cardiac rehabilitation (CR) in patients after cardiac surgery. We measured and assessed HS, KEMS, and DASH score in 41 consecutive patients at one and three months following cardiac surgery and examined the relation between these factors at three months following cardiac surgery. Wilcoxon signed-rank test and Spearman correlation coefficients were used to analyze the results. Finally, 26 patients (63.2 years, 73.1% male) were analyzed. There were significant differences from one month to three months following cardiac surgery in HS (26.78 ± 8.26 to 31.35 ± 9.41 kgf, p < 0.001), KEMS (1.53 ± 0.42 to 1.72 ± 0.46 Nm/kg, p = 0.001), and DASH score (14.76 ± 12.58 to 7.62 ± 9.29, p < 0.001). DASH score correlated negatively with HS (r = −0.41, p = 0.01) but not with KEMS (r = −0.32, p = 0.09) after three months of phase II CR. Although HS, KEMS, and DASH scores changed significantly from one to three months following cardiac surgery during phase II CR, only HS correlated negatively with DASH score at three months following cardiac surgery. View Full-Text
Keywords: cardiac surgery; DASH; handgrip; knee extensor muscle strength; phase II cardiac rehabilitation cardiac surgery; DASH; handgrip; knee extensor muscle strength; phase II cardiac rehabilitation
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Izawa, K.P.; Kasahara, Y.; Hiraki, K.; Hirano, Y.; Oka, K.; Watanabe, S. Longitudinal Changes of Handgrip, Knee Extensor Muscle Strength, and the Disability of the Arm, Shoulder and Hand Score in Cardiac Patients During Phase II Cardiac Rehabilitation. Diseases 2019, 7, 32.

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