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Yonetani 2022
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Yonetani Y, Kurokawa M, Amano H, Kusano M, Kanamoto T, Tanaka Y, Horibe S. The Wound Dressing Influenced Effectiveness of Cryotherapy After Anterior Cruciate Ligament Reconstruction: Case-Control Study Comparing Gauze Versus Film Dressing. Arthrosc Sports Med Rehabil. 2022 Mar 8;4(3):e965-e968.
Design: Case-Control Study
Subjects: 60 arthroscopic ACL reconstruction patients with an autogenous patellar tendon.
Methods: Subjects were assigned to 2 groups.
• Control group: The surgical wound was covered with 5 sheets of gauze with an elastic bandage (n=30),
• Film group: Polyurethane semipermeable transparent film dressing was used (n=30)
After 1 hour of cooling using the Cryo/Cuff device, the knee was chilled with an ice bag every 2 hours until the next morning. Outcomes included: pain severity/analgesic use (24 post-op), drainage over 2 days, ROM at 21 days, Change of hemoglobin concentration and C-reactive protein at 1 & 7 days.
Key message: Film dressing enhanced the effect of the Aircast Cryo/Cuff and Ice bags with respect to pain control, wound drainage, and inflammation immediately after surgery compared with traditional gauze dressing with elastic wrap.
Results:
• The number of patients who used an analgesic was 18 in the control group and 7 in the film group (P = .003). • The amount of drainage was 165.2 ± 72.9 mL in the control group and 289.7 ± 77.6 mL in the film group (P < .001). • The postoperative CRP value was 0.77 ± 0.65 mg/dL at 1 day in the control group and 0.39 ± 0.42 mg/dL in the film group (P = .009). • No statistical difference was seen for hemoglobin concentration at 1 or 7 days, CRP at 7 days or range of motion at 21 days.
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