Abstract

Limited studies are available in the literature comparing various surgical approaches for the management of condylar fractures, and those comparing different types of retromandibular approaches are even fewer in number. This study aimed to compare the efficacy of 2 variants of the retromandibular approach-retromandibular transmasseteric anterior parotid (RMTMAP) and retromandibular transparotid (RMTP) in terms of exposure time, blood loss, facial nerve palsy, sialoceles or parotid fistula formation, infection, and esthetics of scar tissue. A randomized controlled trial was designed in patients with mandibular subcondylar fractures requiring operative intervention. Patients were randomized into 2 groups based on a computer-generated randomization table. Group A included 37 cases, treated with the RMTMAP approach, and group B included 38 cases treated with the RMTP approach. The primary outcome variable was exposure time. Secondary outcome variables were blood loss during exposure, complications like facial nerve palsy, sialocele formation, surgical site infection, and scar esthetics. All patients were followed for 3months. Collected data were analyzed using the χ2 and analysis of variance tests. The mean exposure time for fractures treated with the RMTMAP approach and RMTP approach was 21.08±9.18 and 13.57±6.09, respectively (P<.05). The mean blood loss for RMTMAP and RMTP approach was 11.75±5.11 and 9.9±3.77mL, respectively (P=.078). No facial nerve injury was seen in patients treated with the RMTMAP approach, whereas 3 (7.8%) patients in the RMTP group had transient facial nerve injury (P=.08). This study concludes that the RMTP approach provides quicker access to the condyle as compared with the RMTMAP approach. However, the incidence of transient facial nerve injury was more in the RMTP approach. Except for reduced blood loss in the RMTP approach, all other parameters were comparable in both the approaches.

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