The exercise training effects of skeletal muscle strength and muscle volume to improve functional capacity in patients with myocardial infarction

Kida, Kenji; Osada, Naohiko; Akashi, Yoshihiro J.; Sekizuka, Hiromitsu; Omiya, Kazuto; Miyake, Fumihiko

doi:10.1016/j.ijcard.2008.04.031

Cited by 24 publications

(18 citation statements)

References 13 publications

(26 reference statements)

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“…In addition, Sumide et al [6] reported that the improvement in exercise tolerance was significantly correlated with the changes in lower limb leg strength in post-cardiac valve surgery patients (r = 0.51, P < 0.01). A positive and significant correlation between the change in peak VO 2 and the change in peak torque of knee extension (r = 0.50, P < 0.005) was also observed in the acute phase after a myocardial infarction (MI) in patients with a lower limb muscle volume of less than 22 kg at baseline [7]. …”

Section: Introductionmentioning

confidence: 99%

Reliability and validity of the ultrasound technique to measure the rectus femoris muscle diameter in older CAD-patients

et al. 2012

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BackgroundThe increasing age of coronary artery disease (CAD) patients and the occurrence of sarcopenia in the elderly population accompanied by 'fear of moving' and hospitalization in these patients often results in a substantial loss of skeletal muscle mass and muscle strength. Cardiac rehabilitation can improve exercise tolerance and muscle strength in CAD patients but less data describe eventual morphological muscular changes possibly by more difficult access to imaging techniques. Therefore the aim of this study is to assess and quantify the reliability and validity of an easy applicable method, the ultrasound (US) technique, to measure the diameter of rectus femoris muscle in comparison to the muscle dimensions measured with CT scans.Methods45 older CAD patients without cardiac event during the last 9 months were included in this study. 25 patients were tested twice with ultrasound with a two day interval to assess test-retest reliability and 20 patients were tested twice (once with US and once with CT) on the same day to assess the validity of the US technique compared to CT as the gold standard. Isometric and isokinetic muscle testing was performed to test potential zero-order correlations between muscle diameter, muscle volume and muscle force.ResultsAn intraclass correlation coefficient (ICC) of 0.97 ((95%CL: 0.92 - 0.99) was found for the test-retest reliability of US and the ICC computed between US and CT was 0.92 (95%CL: 0.81 - 0.97). The absolute difference between both techniques was 0.01 ± 0.12 cm (p = 0.66) resulting in a typical percentage error of 4.4%. Significant zero-order correlations were found between local muscle volume and muscle diameter assessed with CT (r = 0.67, p = 0.001) and assessed with US (r = 0.49, p < 0.05). Muscle strength parameters were also significantly correlated with muscle diameter assessed with both techniques (range r = 0.45-r = 0.61, p < 0.05).ConclusionsUltrasound imaging can be used as a valid and reliable measurement tool to assess the rectus femoris muscle diameter in older CAD patients.

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Section: Introductionmentioning

confidence: 99%

Reliability and validity of the ultrasound technique to measure the rectus femoris muscle diameter in older CAD-patients

et al. 2012

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“…Evidence of cardiac rehabilitation has been shown in patients with heart disease. [10][11][12][13] However, there is little evidence of nutritional management in HF patients and the most appropriate nutritional assessment has not yet been established.…”

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confidence: 99%

Assessment of Transthyretin Combined With Mini Nutritional Assessment on Admission Provides Useful Prognostic Information in Patients With Acute Decompensated Heart Failure

et al. 2015

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SummaryDecreased Transthyretin (TTR) can be observed in heart failure patients with malnutrition evaluated by the Mini Nutritional Assessment (MNA). This study investigated whether a combination of different nutritional assessment methods would be useful for assessing prognosis in patients with acute decompensated heart failure (ADHF).This prospective study included 52 patients with ADHF (mean age, 71.1 ± 14.7 years; men 55.8%) who were admitted to our hospital between June 2012 and August 2013. On admission, nutritional status was evaluated according to levels of TTR and the MNA. Of 52 patients, 28 (53.8%) had TTR < 15 mg/dL, 39 (75.0%) had malnutrition or were at risk of malnutrition (MNA score ≤ 23.5), and 21 (40.4%) were categorized into group L (MNA score ≤ 23.5 and TTR < 15 mg/dL). Readmission due to worsening heart failure occurred in 12 patients (23.1%), and there were 4 (7.7%) allcause deaths. The 1-year event-free survival rates in group L and the remaining patients (group O) were 27.7% and 85.6%, respectively (P = 0.001). Using Cox multivariate analysis, group L also had a poorer prognosis (hazard ratio 4.35, 95% confidence interval 1.26-17.74, P = 0.020).MNA revealed that 75% of patients with ADHF had malnutrition or were at risk of malnutrition. The combination of low MNA and low TTR on admission can predict the prognosis of patients with ADHF. (Int Heart J 2015; 56: 226-233)

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“…Clark et al [16] found that reduced muscle function affected both knee flexors and extensors in patients with CHF. In our previous study [3], the improvement of exercise capacity was determined by muscle strength.…”

Section: Relationship Between Leg Muscle Strength and Exercise Capacimentioning

confidence: 99%

“…Peak _ VO 2 is defined by (1) a central component, cardiac output that describes the capacity of the heart to function as a pump and (2) peripheral factors (arteriovenous oxygen difference) that describe the capacity of the lung to oxygenate the blood delivered to it and the capacity of the working muscle to extract this oxygen from the blood. In particular, leg muscle strength, one of the peripheral factors, has been considered to be closely related to exercise capacity in patients with CHF [2,3].…”

Section: Introductionmentioning

confidence: 99%

Global longitudinal strain by two-dimensional speckle tracking imaging predicts exercise capacity in patients with chronic heart failure

et al. 2010

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The exercise training effects of skeletal muscle strength and muscle volume to improve functional capacity in patients with myocardial infarction

Cited by 24 publications

References 13 publications

Reliability and validity of the ultrasound technique to measure the rectus femoris muscle diameter in older CAD-patients

Reliability and validity of the ultrasound technique to measure the rectus femoris muscle diameter in older CAD-patients

Assessment of Transthyretin Combined With Mini Nutritional Assessment on Admission Provides Useful Prognostic Information in Patients With Acute Decompensated Heart Failure

Global longitudinal strain by two-dimensional speckle tracking imaging predicts exercise capacity in patients with chronic heart failure

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