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Patterns of Changes in Respiratory Muscle Strength over 1 Year in Non-Sarcopenia, Sarcopenia, and Severe Sarcopenia

Author

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  • Yohei Sawaya

    (Department of Physical Therapy, School of Health Sciences, International University of Health and Welfare, 2600-1 Kitakanemaru, Otawara 324-8501, Tochigi, Japan
    Nishinasuno General Home Care Center, Department of Day Rehabilitation, Care Facility for the Elderly “Maronie-en,” 533-11 Iguchi, Nasushiobara 329-2763, Tochigi, Japan
    These authors contributed equally to this work.)

  • Tamaki Hirose

    (Department of Physical Therapy, School of Health Sciences, International University of Health and Welfare, 2600-1 Kitakanemaru, Otawara 324-8501, Tochigi, Japan
    Nishinasuno General Home Care Center, Department of Day Rehabilitation, Care Facility for the Elderly “Maronie-en,” 533-11 Iguchi, Nasushiobara 329-2763, Tochigi, Japan
    These authors contributed equally to this work.)

  • Masahiro Ishizaka

    (Department of Physical Therapy, School of Health Sciences, International University of Health and Welfare, 2600-1 Kitakanemaru, Otawara 324-8501, Tochigi, Japan)

  • Takahiro Shiba

    (Nishinasuno General Home Care Center, Department of Day Rehabilitation, Care Facility for the Elderly “Maronie-en,” 533-11 Iguchi, Nasushiobara 329-2763, Tochigi, Japan)

  • Ryo Sato

    (Nishinasuno General Home Care Center, Department of Day Rehabilitation, Care Facility for the Elderly “Maronie-en,” 533-11 Iguchi, Nasushiobara 329-2763, Tochigi, Japan)

  • Akira Kubo

    (Department of Physical Therapy, School of Health Sciences, International University of Health and Welfare, 2600-1 Kitakanemaru, Otawara 324-8501, Tochigi, Japan)

  • Tomohiko Urano

    (Nishinasuno General Home Care Center, Department of Day Rehabilitation, Care Facility for the Elderly “Maronie-en,” 533-11 Iguchi, Nasushiobara 329-2763, Tochigi, Japan
    Department of Geriatric Medicine, School of Medicine, International University of Health and Welfare, 4-3 Kozunomori, Narita 286-8686, Chiba, Japan)

Abstract

In this prospective longitudinal cohort study, we explored the characteristics of older people with lower respiratory muscle strength, according to sarcopenia severity, over the course of 1 year. The maximum expiratory pressure (MEP), grip strength, walking speed, and skeletal muscle mass index of 58 participants (28 men, 30 women; mean age, 76.9 ± 7.7 years) were measured at baseline and at the 1-year follow-up. Participants were classified into a decreased MEP group ( n = 29; MEP decreased by ≥10% after 1 year) and a non-decreased MEP group ( n = 29; MEP decreased by <10%). Sarcopenia status in the mild direction at baseline was significantly associated with MEP decline after one year. Repeated two-way analysis of variance showed significant main effects of measurement time ( p < 0.001) and severity of sarcopenia ( p = 0.026), as well as a significant interaction effect ( p = 0.006). Surprisingly, MEP decreased significantly in the non-sarcopenia and sarcopenia groups, but not in the severe sarcopenia group. Thus, individuals without sarcopenia and those with moderate sarcopenia at baseline are predisposed to MEP decline and should be closely monitored for signs of such decline and associated adverse events.

Suggested Citation

  • Yohei Sawaya & Tamaki Hirose & Masahiro Ishizaka & Takahiro Shiba & Ryo Sato & Akira Kubo & Tomohiko Urano, 2022. "Patterns of Changes in Respiratory Muscle Strength over 1 Year in Non-Sarcopenia, Sarcopenia, and Severe Sarcopenia," IJERPH, MDPI, vol. 19(24), pages 1-9, December.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:24:p:16571-:d:998891
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    References listed on IDEAS

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    1. Tomoyuki Morisawa & Yota Kunieda & Shingo Koyama & Mizue Suzuki & Yuma Takahashi & Tomokazu Takakura & Yuta Kikuchi & Tadamitsu Matsuda & Yuji Fujino & Ryuichi Sawa & Akihiro Sakuyama & Masakazu Saito, 2021. "The Relationship between Sarcopenia and Respiratory Muscle Weakness in Community-Dwelling Older Adults," IJERPH, MDPI, vol. 18(24), pages 1-9, December.
    2. Toshie Manabe & Shinji Teramoto & Nanako Tamiya & Jiro Okochi & Nobuyuki Hizawa, 2015. "Risk Factors for Aspiration Pneumonia in Older Adults," PLOS ONE, Public Library of Science, vol. 10(10), pages 1-12, October.
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