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Drain Removal Before Versus After CPM in Primary Total Knee Arthroplasty
Sponsor: Ankara Etlik City Hospital
Summary
The aim of this prospective randomized controlled study was to determine whether the timing of drain removal in relation to continuous passive motion (CPM) application influences postoperative residual hematoma formation following primary total knee arthroplasty (TKA). Our primary hypothesis was that removing the drain after initiating CPM would result in less residual hematoma, as CPM-induced intra-articular fluid and blood mobilization would be evacuated through the drain before its removal, thereby reducing postoperative fluid accumulation.
Official title: Drain Removal Before Versus After Continuous Passive Motion in Primary Total Knee Arthroplasty: Impact on Residual Hematoma in a Prospective Controlled Study
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
104
Start Date
2025-06-15
Completion Date
2025-12-30
Last Updated
2025-12-24
Healthy Volunteers
No
Interventions
Drain Removal Before CPM
Hemovac drain removal performed approximately 24 hours after primary TKA, immediately before a standardized 1-hour CPM session (0-90°). All other surgical, perioperative, and rehabilitation protocols are identical across study arms.
Drain Removal After CPM
A standardized 1-hour CPM session at 0-90° is administered approximately 24 hours after primary TKA. The hemovac drain is removed immediately after completion of the CPM session. All other surgical, perioperative, and rehabilitation protocols are identical across study arms.
Locations (1)
Ankara Etlik City Hospital
Ankara, Turkey (Türkiye)