Journal Basic Info

  • Impact Factor: 1.995**
  • H-Index: 8
  • ISSN: 2474-1647
  • DOI: 10.25107/2474-1647
**Impact Factor calculated based on Google Scholar Citations. Please contact us for any more details.

Major Scope

  •  Gynecological Surgery
  •  Vascular Surgery
  •  Surgical Oncology
  •  Transplant Surgery
  •  Otolaryngology - Head and Neck Surgery
  •  Bariatric Surgery
  •  Thoracic Surgery
  •  Plastic Surgery

Abstract

Citation: Clin Surg. 2018;3(1):2106.Research Article | Open Access

Electro Physiologic Recovery of the Abductor Pollicis Brevis after Contralateral Seventh Cervical Nerve Transfer in Children with Global Brachial Plexus Avulsion

Xun Yang, Xin Zhao and Jie Lao

Department of Hand Surgery, Fudan University, China
Key Laboratory of Hand Reconstruction, Ministry of Health, China
Shanghai Key Laboratory of Peripheral Nerve and Microsurgery, China

*Correspondance to: Jie Lao 

 PDF  Full Text DOI: 10.25107/2474-1647.2106

Abstract

The restoration of intrinsic hand muscles was a forbidden zone in the treatment of Global Brachial Plexus Avulsion (GBPA). However, further studies showed the possibility of the reinnervation of the Abductor Pollicis Brevis (APB) in adult patients with GBPA after contralateral seventh cervical (cC7) to the affected Median Nerve (MN) transfer. Generally, children have stronger capacity of nerve regeneration and shorter upper limbs than adults. Therefore, the APB reinnervation after cC7-MN transfer might be better in children theoretically. In this study, we retrospectively reviewed the EMG data of 16 child patients who underwent cC7-MN transfer because of GBPA caused by trauma. The mean age when patients underwent the first stage of cC7-MN transfer was 7.6 (rang, 4 to 12) years. The mean interval from the injury to the first stage of cC7-MN transfer was 8.6 (range, 6 to 12) months. EMG showed that all patients gained electro physiologic recovery of APB - the motor unit potential (MUP) and Compound Muscle Action Potential (CMAP) appeared 16 (range, 12 to 20) months after the second stage of cC7-MN transfer. This finding indicates that it may be possible to restore the intrinsic hand muscle function of child patients with GBPA. The treatment and rehabilitation strategy for child patients with GBPA may have to be amended. However, further studies with larger sample size are needed to investigate the specific process of the recovery of intrinsic muscles and the possible affecting factors.

Keywords

Brachial plexus avulsion; Contralateral C7; Intrinsic muscle; Electromyography

Cite the article

Yang X, Zhao X, Lao J. Electro Physiologic Recovery of the Abductor Pollicis Brevis after Contralateral Seventh Cervical Nerve Transfer in Children with Global Brachial Plexus Avulsion. Clin Surg. 2018; 3: 2106.

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