Publications by authors named "Ayumi Natsuzako"

Purpose: Muscle dysfunction such as loss of muscle mass and decreased muscle strength is often observed in patients with hematologic malignancies. However, specific factors associated with muscle function have not been identified. The purpose of this study was to identify significant factors affecting muscle function in patients with hematologic malignancies.

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Purpose: Patients with hematological malignancies often present with reduced muscle and physical functions, which are caused by the disease or related treatment. Moreover, patients with hematological malignancies rapidly develop low hemoglobin levels, and this may affect muscle and physical functions. This study aimed to identify the influence of hemoglobin levels on muscle and physical functions in patients with hematological malignancies.

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Objective: In this study, we investigated the muscle function of patients with haematological malignancy and healthy controls and examined the effect of cachexia on muscle function.

Methods: Seventy-one patients with haematological malignancy, hospitalised for chemotherapy, and 71 healthy controls underwent examination of skeletal muscle mass (SMM; total body and upper and lower limbs), handgrip strength and isometric knee extensor strength. Patients with haematological malignancy were divided into three groups based on Glasgow Prognostic Score: non-cachexia (n = 31), pre-cachexia (n = 23) and cachexia (n = 17) groups.

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This study aimed to investigate the effects of low-intensity exercise therapy (LIET) on the physical and mental symptoms and functions in patients with haematological malignancies undergoing chemotherapy. Forty-four patients hospitalised for chemotherapy performed LIET. The exercise intensity of LIET was defined as achieving <40% of the predicted maximum heart rate calculated using the Karvonen formula.

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