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A Study on the Physiological Outcomes of the Enhanced Recovery After Surgery Model in Older Adults Undergoing Total Knee Arthroplasty
Sponsor: China Medical University Hospital
Summary
With the advent of an aging society, the demand for total knee arthroplasty (TKA) continues to increase. Postoperative recovery is influenced not only by the surgical procedure itself but also by pain control, joint function, and physical resilience. Enhanced Recovery After Surgery (ERAS) promotes postoperative recovery through multidisciplinary integrated care; however, related research in Taiwan remains limited, particularly studies that simultaneously examine pain, joint function, and physical resilience. This study aims to investigate the effects of the Enhanced Recovery After Surgery (ERAS) care model on changes in postoperative pain, knee function, and physical resilience among older adults undergoing total knee arthroplasty. A quasi-experimental study with convenience sampling will be conducted. Participants will be allocated to either the ERAS group or the routine care group according to the care model received. Outcome measurements will be obtained preoperatively, on postoperative day 1, postoperative day 3, and two weeks after discharge. Pain will be assessed using the Numeric Rating Scale (NRS), knee function using the Chinese version of the Knee Injury and Osteoarthritis Outcome Score (KOOS), and physical resilience using the Physical Resilience Instrument for Older Adults (PRIFOR). Clinical recovery indicators, including vital signs, length of hospital stay, and time to first ambulation, will also be collected. The ERAS care model is expected to improve postoperative pain, promote recovery of knee function, enhance physical resilience, shorten the length of hospital stay, and facilitate earlier ambulation. The findings of this study are expected to provide evidence for optimizing perioperative care and supporting the implementation of ERAS for older adults undergoing total knee arthroplasty.
Key Details
Gender
All
Age Range
65 Years - Any
Study Type
INTERVENTIONAL
Enrollment
60
Start Date
2026-09-21
Completion Date
2027-12-30
Last Updated
2026-09-18
Healthy Volunteers
No
Conditions
Interventions
Enhanced Recovery After Surgery (ERAS) Care Pathway
A standardized multidisciplinary perioperative care pathway including preoperative multidimensional assessment, preoperative education, nutritional assessment, multimodal pain management, intraoperative temperature maintenance, early oral intake, early ambulation, early rehabilitation, and discharge care.
Usual Perioperative Care
Usual perioperative care according to the hospital's current care pathway, including routine preoperative education, preoperative assessment, postoperative pain care, wound care, rehabilitation guidance, and discharge education.