• Chavarin Amarase, Wanchat Thimasarn, Saran Tantavisut, Thanasil Huanmanop, Yongsak Wangroongsub, and Worawat Limthongkul.
• Department of Orthopaedics, Faculty of Medicine, Chulalongkorn University, 1873 Rama 4 Road Pathumwan Bangkok 10330, Thailand. Electronic address: tueskung@hotmail.com.
• Injury. 2017 Nov 1; 48 (11): 2407-2410.

BackgroundCurrently Minimally Invasive Plate Osteosynthesis (MIPO) technique for tibial shaft fracture management has gained wide attention. However, an increased intracompartmental pressure after the plate insertion may result in postoperative acute compartment syndrome. We reported the difference of immediate effect of percutaneous plate insertion using 2 approaches of MIPO technique on anterior compartment pressure of the legs.Materials And MethodsEight soft cadaveric legs (one female and three males) without previous history of skeletal trauma or surgery were infused with normal saline to create the sustained intracompartmental pressure of 20mm Hg in all four compartments. The Synthes® 4.5mm 11-hole Narrow Locking Compression Plate was inserted via anteromedial and anterolateral approach. Anterior compartment pressure was measured by portable digital monitoring device through side-port needle (Stryker® Intracompartmental Monitoring Device) before and after plate insertion for each approach.ResultsBy using anteromedial approach, a mean of anterior compartment pressure was increased by 0.375mm Hg after plate insertion (5 of 8 legs had no change in pressure and the remaining 3 resulted in 1mm Hg pressure elevation). For anterolateral plate insertion, all of the 8 legs had an elevation of anterior compartment pressure with a mean of 3.5mmHg (ranged from 2 to 6mm Hg).ConclusionsWhen both approaches were compared to each other, the anterolateral plate insertion resulted in higher intracompartmental pressure elevation of the anterior compartment than the anteromedial approach. Surgeon should be more aware of acute compartment syndrome when considering the anterolateral approach in treating close tibial fracture. However, in patients with suspected acute compartment syndrome, close observation and continuous monitoring of the intracompartmental pressure is still imperative for all healthcare provider.Copyright © 2017 Elsevier Ltd. All rights reserved.

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