Advances in wound care · 2026
The Shizuoka Study of a Population-Based Retrospective Cohort for the Evaluation of Risk of Pressure Injury in the Elderly.
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Hashizume Hideo, Matsuura Ammi, Miyachi Yoshiki
Аннотация
OBJECTIVE: The risk of pressure injuries (PIs) is increasing in Japan, where an aging population imposes substantial health care burdens.
APPROACH: This retrospective cohort study utilizing the Shizuoka Kokuho Database evaluated factors associated with PI development in hospitalized patients.
RESULTS: An analysis of over 546,000 patients aged ≥65 years from 2012 to 2022 identified 6,372 PI cases. Cox regression analyses revealed that male sex (hazard ratio [HR] 1.32, 95% confidence interval [CI]: 1.25-1.39), advanced age (HR 8.54, 95% CI: 7.40-9.87 for ≥95 years vs. 65-69 years) and comorbidities such as neurological disorders (HR 1.87, 95% CI: 1.72-2.04), dementia (HR 1.69, 95% CI: 1.59-1.80), and congestive heart failure (HR 1.19, 95% CI: 1.12-1.27) were associated with increased PI risks. Conversely, antihyperlipidemic drugs may be associated with a lower PI risk (HR 0.69, 95% CI: 0.65-0.74). Due to data limitations, factors such as nutritional status, mobility, and caregiver support could not be evaluated.
INNOVATION: This study is the first in Japan to leverage big data to identify high-risk groups for PIs, particularly among elderly individuals with specific comorbidities. This approach offers actionable insights into PI management, potentially enhancing care strategies and preventive guidelines.
CONCLUSION: Male sex, advanced age, and comorbidities, including neurological disorders, dementia, psychosis, and congestive heart failure, were identified as primary PI risk factors. Conversely, antihyperlipidemic drug use may be associated with a lower PI risk. These findings highlight the need for comprehensive, targeted prevention strategies to reduce the risk of PI in elderly hospitalized patients.
APPROACH: This retrospective cohort study utilizing the Shizuoka Kokuho Database evaluated factors associated with PI development in hospitalized patients.
RESULTS: An analysis of over 546,000 patients aged ≥65 years from 2012 to 2022 identified 6,372 PI cases. Cox regression analyses revealed that male sex (hazard ratio [HR] 1.32, 95% confidence interval [CI]: 1.25-1.39), advanced age (HR 8.54, 95% CI: 7.40-9.87 for ≥95 years vs. 65-69 years) and comorbidities such as neurological disorders (HR 1.87, 95% CI: 1.72-2.04), dementia (HR 1.69, 95% CI: 1.59-1.80), and congestive heart failure (HR 1.19, 95% CI: 1.12-1.27) were associated with increased PI risks. Conversely, antihyperlipidemic drugs may be associated with a lower PI risk (HR 0.69, 95% CI: 0.65-0.74). Due to data limitations, factors such as nutritional status, mobility, and caregiver support could not be evaluated.
INNOVATION: This study is the first in Japan to leverage big data to identify high-risk groups for PIs, particularly among elderly individuals with specific comorbidities. This approach offers actionable insights into PI management, potentially enhancing care strategies and preventive guidelines.
CONCLUSION: Male sex, advanced age, and comorbidities, including neurological disorders, dementia, psychosis, and congestive heart failure, were identified as primary PI risk factors. Conversely, antihyperlipidemic drug use may be associated with a lower PI risk. These findings highlight the need for comprehensive, targeted prevention strategies to reduce the risk of PI in elderly hospitalized patients.