Association of “Ippatsu-Gei,” a Brief Psychosocial Interaction, with Spontaneous Activity and Adverse Events in Home-Visit Dysphagia Rehabilitation: A Retrospective Cohort Study
- 1Division of Gerontology and Gerodontology, Department of Dysphagia Rehabilitation, Institute of Science Tokyo, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8519, Japan
Abstract
Background/Objectives: Direct and indirect training are well established in dysphagia rehabilitation, but the role of brief psychosocial interactions in home-based care remains unclear. This retrospective cohort study examined whether provider-based exposure to “Ippatsu-gei” was associated with spontaneous activity and adverse events during home-visit dysphagia rehabilitation. Methods: Clinical records were reviewed for patients who received at least one session between January and June 2019. Exposure was defined as care from dentists who routinely incorporated Ippatsu-gei into patient communication. Spontaneous-activity analysis required complete 180-day follow-up (N = 148); adverse-event analysis included patients with complete follow-up or a predefined event within 180 days (N = 150). Results: Spontaneous activity was documented in 18 of 148 patients (12.2%). Ippatsu-gei exposure was associated with higher odds of spontaneous activity (adjusted odds ratio 5.42; 95% confidence interval 1.62–18.18; p = 0.006), although the estimate remained imprecise. Adverse events occurred in 31 of 150 patients (20.7%) and were not significantly associated with Ippatsu-gei exposure (adjusted odds ratio 0.53; 95% confidence interval 0.20–1.39; p = 0.195). Conclusions: Provider-based Ippatsu-gei exposure was associated with retrospectively documented spontaneous activity, but causal interpretation is limited by temporal uncertainty, provider-related effects, and residual confounding. No statistically significant association with adverse events was observed.
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BibTeX
@article{kameda2026association,
title = {{Association of “Ippatsu-Gei,” a Brief Psychosocial Interaction, with Spontaneous Activity and Adverse Events in Home-Visit Dysphagia Rehabilitation: A Retrospective Cohort Study}},
author = {Chizuko Kameda and Kohei Yamaguchi and Miki Ishii and Ryosuke Yanagida and Kazuharu Nakagawa and Kanako Yoshimi and Haruka Tohara},
journal = {Journal of Clinical Medicine},
year = {2026},
month = oct,
doi = {10.3390/jcm15197745},
url = {https://www.mdpi.com/2077-0383/15/19/7745},
note = {CC BY 4.0},
}
RIS
TY - JOUR
TI - Association of “Ippatsu-Gei,” a Brief Psychosocial Interaction, with Spontaneous Activity and Adverse Events in Home-Visit Dysphagia Rehabilitation: A Retrospective Cohort Study
AU - Chizuko Kameda
AU - Kohei Yamaguchi
AU - Miki Ishii
AU - Ryosuke Yanagida
AU - Kazuharu Nakagawa
AU - Kanako Yoshimi
AU - Haruka Tohara
PY - 2026
DA - 2026/10/08
JO - Journal of Clinical Medicine
DO - 10.3390/jcm15197745
UR - https://www.mdpi.com/2077-0383/15/19/7745
AB - Background/Objectives: Direct and indirect training are well established in dysphagia rehabilitation, but the role of brief psychosocial interactions in home-based care remains unclear. This retrospective cohort study examined whether provider-based exposure to “Ippatsu-gei” was associated with spontaneous activity and adverse events during home-visit dysphagia rehabilitation. Methods: Clinical records were reviewed for patients who received at least one session between January and June 2019. Exposure was defined as care from dentists who routinely incorporated Ippatsu-gei into patient communication. Spontaneous-activity analysis required complete 180-day follow-up (N = 148); adverse-event analysis included patients with complete follow-up or a predefined event within 180 days (N = 150). Results: Spontaneous activity was documented in 18 of 148 patients (12.2%). Ippatsu-gei exposure was associated with higher odds of spontaneous activity (adjusted odds ratio 5.42; 95% confidence interval 1.62–18.18; p = 0.006), although the estimate remained imprecise. Adverse events occurred in 31 of 150 patients (20.7%) and were not significantly associated with Ippatsu-gei exposure (adjusted odds ratio 0.53; 95% confidence interval 0.20–1.39; p = 0.195). Conclusions: Provider-based Ippatsu-gei exposure was associated with retrospectively documented spontaneous activity, but causal interpretation is limited by temporal uncertainty, provider-related effects, and residual confounding. No statistically significant association with adverse events was observed.
SN - 2077-0383
ER -