All Stories

  1. Longitudinal Association Between the Carotid Intima‐Media Thickness and Sarcopenia in an Older Japanese Population: The SONIC Study

    Article • Geriatrics and Gerontology International, January 2026, Wiley

    Masaaki Isaka

  2. Impact of diabetes mellitus and grip strength on postoperative outcomes in older patients undergoing cancer surgery: A single‐center retrospective cohort study

    Article • Journal of Diabetes Investigation, December 2025, Wiley

    Masaaki Isaka

  3. Pre‐Operative Resistance Training and Amino Acid Supplementation in Frail Patients With Gastrointestinal Cancer: A Randomized Clinical Trial

    Article • Geriatrics and Gerontology International, October 2025, Wiley

    Masaaki Isaka

  4. Association between serum vitamin D levels and skeletal muscle indices in an older Japanese population: The SONIC study

    Article • Geriatrics and Gerontology International, August 2024, Wiley

    Masaaki Isaka

  5. Knee Extensor Weakness Potently Predicts Postoperative Outcomes in Older Gastrointestinal Cancer Patients

    Article • Journal of the American Medical Directors Association, January 2024, Elsevier

    Masaaki Isaka

  6. Age Group Differences in the Association Between Sleep Status and Frailty Among Community-Dwelling Older Adults: The SONIC Study

    Article • Gerontology and Geriatric Medicine, January 2023, SAGE Publications

    Masaaki Isaka

  7. The Muscle Thickness Assessment Using Ultrasonography is a Useful Alternative to Skeletal Muscle Mass by Bioelectrical Impedance Analysis

    Article • Clinical Interventions in Aging, December 2022, Taylor & Francis

    Masaaki Isaka

  8. The utility of the ultrasonographic assessment of the lower leg muscles to evaluate sarcopenia and muscle quality in older adults

    Article • JCSM Clinical Reports, December 2020, Wiley

    Masaaki Isaka

  9. The Usefulness of an Alternative Diagnostic Method for Sarcopenia Using Thickness and Echo Intensity of Lower Leg Muscles in Older Males

    Article • Journal of the American Medical Directors Association, September 2019, Elsevier

    Masaaki Isaka

  10. Effects of noninvasive ventilation on the coordination between breathing and swallowing in patients with chronic obstructive pulmonary disease

    Article • International Journal of Chronic Obstructive Pulmonary Disease, July 2019, Dove Medical Press

    Yoshitaka Oku, Masaaki Isaka, Ryuji Hori

  11. Coordination between respiration and swallowing during non-invasive positive pressure ventilation

    Article • Respirology, March 2016, Wiley

    Yoshitaka Oku, Masaaki Isaka