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Influence of the physical training on muscle function and walking distance in symptomatic peripheral arterial disease in elderly
Kropielnicka K, Dziubek W, Bulinska K, Stefanska M, Wojcieszczyk-Latos J, Jasinski R, Pilch U, Dabrowska G, Skorkowska-Telichowska K, Kalka D, Janus A, Zywar K, Paszkowski R, Rachwalik A, Wozniewski M, Szuba A
BioMed Research International 2018;(1937527):Epub
clinical trial
2/10 [Eligibility criteria: Yes; Random allocation: No; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: No; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: No. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

INTRODUCTION: A typical symptom of chronic lower-limb ischaemia is lower-limb pain, which occurs during walking forcing the patient to stop, intermittent claudication (IC). Exercise rehabilitation is the basic form of treatment for these patients. AIM: The aim of this study was to compare the effectiveness of three types of physical training programmes conducted over a 12-week period in patients with chronic lower-limb arterial insufficiency. MATERIALS AND METHODS: Ninety-five people qualified for the 3-month supervised motor rehabilitation programme, conducted three times a week. The respondents were assigned to three types of rehabilitation programmes using a pseudo-randomization method: group I (TW), subjects undertaking treadmill walking training; group II (NW), subjects undertaking Nordic walking training; group III (RES plus NW), subjects undertaking resistance and Nordic walking training. Treadmill test, 6 Minute Walk Test (6MWT), and isokinetic test were repeated after 3 months of rehabilitation, which 80 people completed. RESULTS: Combined training (RES plus NW) is more effective than Nordic walking alone and supervised treadmill training alone for improving ankle force-velocity parameters (p < 0.05) in patients with intermittent claudication. Each of the proposed exercise rehabilitation programmes increased walking distance of patients with intermittent claudication (p < 0.05), especially in 6MWT (p = 0.001). Significant relationships of force-velocity parameters are observed in the maximum distance obtained in 6MWT, both in group III (RES plus NW) and in group II (NW) at the level of moderate and strong correlation strength, which indicates that if the lower limbs are stronger the walking distance achieved in 6MWT is longer. CONCLUSIONS: Given both the force-velocity parameters and the covered distance, the training RES plus NW gives the most beneficial changes compared to training TW alone and NW alone. All types of training increased walking distance, which is an important aspect of the everyday functioning of people with IC.

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