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Peripheral nerve injury associated with a subdermal contraceptive implant: illustrative cases and systematic review of literature

Laumonerie, Pierre and Blasco, Laurent and Tibbo, Meagan E. and Leclair, Olivier and Kerezoudis, Panagiotis and Chantalat, Elodie and Mansat, Pierre Peripheral nerve injury associated with a subdermal contraceptive implant: illustrative cases and systematic review of literature. (2018) World Neurosurgery, 111. 317-325. ISSN 1878-8750

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Official URL: https://doi.org/10.1016/j.wneu.2017.12.160


BACKGROUND: Despite demonstrable safety and efficacy of subdermal contraceptive implants (SCIs), both insertion and removal of SCIs in the arm have been associated with neurovascular complications. The aim of this study was to investigate type and prognosis of nerve injuries associated with SCIs. METHODS: We performed a comprehensive search of 4 electronic databases for studies pertaining to patients with nerve injury and concurrent SCI. Studies published between January 1987 and June 2017 were included. Implant location, damaged nerves, clinical presentation, preoperative imaging (x-ray, ultrasound, magnetic resonance imaging), neurologic evaluation (nerve conduction studies, electromyography), and treatment methods were reviewed. To outline management strategies, 2 illustrative cases of major nerve injury caused by SCI removal were presented. RESULTS: We analyzed 10 studies including 12 patients. Fourteen nerve injuries in 12 patients were reported during SCI insertion (n = 1) and removal (n = 11). Medial antebrachial cutaneous (n = 5) and median (n = 5) nerves were primarily affected. Neuropathic pain was the main symptom. Primary reasons for nerve injury were pulling or grasping of the nerve (n = 9) after mistaking it for the implant. Neurapraxia (n = 7) was the most common lesion and was treated with implant removal and clinical surveillance (n = 6). Five patients completely recovered; the remaining patients continued to have motor and/or sensory deficit at mean follow-up of 0.7 year (range, 0-2 years). CONCLUSIONS: Nerve injuries related to SCIs are rare but potentially serious. For nonpalpable SCIs, a multidisciplinary approach, including practitioners with experience treating peripheral nerve injuries, is invaluable.

Item Type:Article
HAL Id:hal-02135137
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Other partners > Centre Hospitalier Universitaire de Reims - CHU Reims (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > Centre hospitalier territorial Gaston-Bourret de la Nouvelle-Calédonie (FRANCE)
Other partners > Centre Hospitalier Universitaire de Toulouse - CHU Toulouse (FRANCE)
Other partners > Mayo Clinic (USA)
Deposited On:27 Mar 2019 14:01

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