Actively Recruiting
Effect of ERAS-Based Preoperative Nutrition Education and Fasting Protocol on Postoperative Hydration and Nausea in Total Knee Arthroplasty
Led by Nermin Ocaktan · Updated on 2026-01-14
72
Participants Needed
1
Research Sites
N/A
Total Duration
On this page
AI-Summary
What this Trial Is About
This research aims to evaluate how following a preoperative nutrition education and fasting protocol based on Enhanced Recovery After Surgery (ERAS) guidelines affects postoperative hydration and the occurrence of nausea and vomiting in patients having total knee arthroplasty. Total knee arthroplasty is a common surgery, especially in older adults, where recovery can be complicated by surgical stress, anesthesia issues, dehydration, and nausea. Optimizing nutrition and hydration before surgery may improve these outcomes. Participants will be randomly assigned to one of two groups. One group will receive ERAS-based nutrition education along with a standardized fasting protocol to follow during the 24 hours before their surgery. The other group will receive routine preoperative care without the ERAS protocol. These treatments are behavioral and focus on education and fasting management according to evidence-based guidelines designed to reduce prolonged fasting and improve comfort. During the study, participants will be monitored for postoperative hydration levels, nausea and vomiting severity, and fluid intake and output balance within the first 48 hours after surgery. Validated tools like the Surgical Thirst Discomfort Scale and Rhodes Index of Nausea, Vomiting, and Retching will be used. Data on these outcomes will help understand the impact of the ERAS protocol on recovery and inform nursing care improvements. The study will involve preoperative education, surgery, and at least 48 hours of postoperative follow-up.
CONDITIONS
Brief Title
ERAS-Based Preoperative Nutrition and Fasting in Total Knee Arthroplasty
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Adults aged 18 years and older
- Scheduled for elective total knee arthroplasty
- Expected hospital stay of at least 48 hours after surgery
- Able to communicate verbally and provide informed consent
- Adequate cognitive and neurological ability to understand study procedures
You will not qualify if you...
- Chronic diseases requiring fluid restriction
- Cognitive impairment or psychiatric disorders affecting understanding (e.g., Alzheimer's, dementia, psychotic disorders)
- Acute dehydration conditions before surgery (e.g., vomiting, diarrhea, excessive fluid loss)
- Intraoperative complications needing intensive care
- Postoperative follow-up less than 48 hours due to early discharge or transfer
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Your Study Journey
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person) to assess eligibility and obtain informed consent
Duration - 24 hours prior to surgery
Participants receive ERAS-based preoperative nutrition education and follow an evidence-based fasting protocol during the 24 hours before total knee arthroplasty.
1 preoperative education session
Duration - Day of surgery
Participants undergo elective total knee arthroplasty as planned.
1 visit (in-person) on the day of surgery
Duration - 48 hours post-surgery
Participants are monitored for hydration status, nausea, vomiting, and fluid balance during the first 48 hours after surgery.
Approximately 2 days of in-hospital monitoring
Trial Site Locations
Total: 1 location
1
Acıbadem Health Group Atakent Hospital
Istanbul, Istanbul, Turkey (Türkiye), 34752
Actively Recruiting
Research Team
N
Nermin Ocaktan, PhD
How is the study designed?
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
TREATMENT
Number of Arms
2
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