Electrodiagnostic Evaluation of Prognostic Factors Influencing the Surgical Outcomes of Upper Extremity Nerve Injuries Caused by Penetrating Trauma: A Cross-sectional Study

Pahlavani, Amin and Hosseini Nejad Mir, Nahid and Karimi Rouzbahani, Arian and Mahmoudvand, Golnaz and Rezaei, Pardis and Pahlevani, Ali and Shahmoradi, Mohammad Kazem (2023) Electrodiagnostic Evaluation of Prognostic Factors Influencing the Surgical Outcomes of Upper Extremity Nerve Injuries Caused by Penetrating Trauma: A Cross-sectional Study. World J Plast Surg.

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Abstract

Background: Peripheral nerve damage is a major cause of disability, which can lead to serious limitations in daily and occupational activities. Although primary repair can restore the function of the damaged organ remarkably, factors predicting the prognosis of nerve repair are a topic of constant debate. We aimed to investigate the factors affecting the outcomes of primary nerve repair in patients afflicted by upper extremity nerve injuries following penetrating trauma. Methods: This cross-sectional study was conducted on 51 patients referred to Shohada-ye Ashayer Hospital in Khorramabad, Iran, from 2016 to 2021. Data including the patient's age, gender, education, type, severity, and mechanism of injury, the damaged nerve, time and of method repair, the surgeon's specialty, as well as the electrodiagnostic findings, were collected and analyzed using SPSS software version 22. Results: The mean age of the patients was 30.41 ± 12.63 years, and the majority of them (84.3%) were men. A significant relationship was found between the sensory amplitude with education (P=0.002), the type of damaged nerve (P=0.048), and the severity of injury (P=0.012). The positive sharp wave was significantly associated with the surgeon's specialty (P=0.034). Besides, the motor amplitude was considerably related to the patient's age (P=0.040) and the surgeon's specialty (P=0.035). Conclusion: Factors determining the outcome of peripheral nerve repair following penetrating trauma to the upper extremity include age, education, the type of damaged nerve, the severity of the injury, and the surgeon's specialty. Keywords: Electrodiagnosis; Penetrating trauma; Peripheral nerve; Upper extremity.

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