Outcomes of Single versus Double Fascicular Nerve Transfers for Restoration of Elbow Flexion in Patients with Brachial Plexus Injuries: A Systematic Review and Meta-Analysis

Dimitri Sneiders, Liselotte F. Bulstra, Caroline A. Hundepool, Willemijn J. Treling, Steven E.R. Hovius, Alexander Yong-Shik Shin

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

BACKGROUND: Elbow flexion after upper brachial plexus injury may be restored by a nerve transfer from the ulnar nerve to the biceps motor branch with an optional nerve transfer from the median nerve to the brachialis motor branch (single and double fascicular nerve transfer). This meta-analysis assesses the effectiveness of both techniques and the added value of additional reinnervation of the brachialis muscle. METHODS: Comprehensive searches were performed identifying studies concerning restoration of elbow flexion through single and double fascicular nerve transfers. Only C5 to C6 lesion patients were included in quantitative analysis to prevent confounding by indication. Primary outcome was the proportion of patients reaching British Medical Research Council elbow flexion grade 3 or greater. Meta-analysis was performed with random effects models. RESULTS: Thirty-five studies were included (n = 688). In quantitative analysis, 29 studies were included (n = 341). After single fascicular nerve transfer, 190 of 207 patients reached Medical Research Council grade 3 or higher (random effects model, 95.6 percent; 95 percent CI, 92.9 to 98.2 percent); and after double fascicular nerve transfer, 128 of 134 patients reached grade 3 or higher (random effects model, 97.5 percent; 95 percent CI, 95.0 to 100 percent; p = 0.301). Significantly more double nerve transfer patients reached grade 4 or greater if preoperative delay was 6 months or less (84 of 101 versus 49 of 51; p = 0.035). CONCLUSIONS: Additional reinnervation of the brachialis muscle did not result in significantly more patients reaching Medical Research Council grade 3 or higher for elbow flexion. Double fascicular nerve transfer may result in more patients reaching grade 4 or higher in patients with a preoperative delay less than 6 months. The median nerve may be preserved or used for another nerve transfer without substantially impairing elbow flexion restoration.

Original languageEnglish (US)
Pages (from-to)155-166
Number of pages12
JournalPlastic and reconstructive surgery
Volume144
Issue number1
DOIs
StatePublished - Jul 1 2019

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Arm Injuries
Nerve Transfer
Brachial Plexus
Elbow
Meta-Analysis
Biomedical Research
Median Nerve
Muscles
Ulnar Nerve
Arm

ASJC Scopus subject areas

  • Surgery

Cite this

Outcomes of Single versus Double Fascicular Nerve Transfers for Restoration of Elbow Flexion in Patients with Brachial Plexus Injuries : A Systematic Review and Meta-Analysis. / Sneiders, Dimitri; Bulstra, Liselotte F.; Hundepool, Caroline A.; Treling, Willemijn J.; Hovius, Steven E.R.; Shin, Alexander Yong-Shik.

In: Plastic and reconstructive surgery, Vol. 144, No. 1, 01.07.2019, p. 155-166.

Research output: Contribution to journalArticle

Sneiders, Dimitri ; Bulstra, Liselotte F. ; Hundepool, Caroline A. ; Treling, Willemijn J. ; Hovius, Steven E.R. ; Shin, Alexander Yong-Shik. / Outcomes of Single versus Double Fascicular Nerve Transfers for Restoration of Elbow Flexion in Patients with Brachial Plexus Injuries : A Systematic Review and Meta-Analysis. In: Plastic and reconstructive surgery. 2019 ; Vol. 144, No. 1. pp. 155-166.
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abstract = "BACKGROUND: Elbow flexion after upper brachial plexus injury may be restored by a nerve transfer from the ulnar nerve to the biceps motor branch with an optional nerve transfer from the median nerve to the brachialis motor branch (single and double fascicular nerve transfer). This meta-analysis assesses the effectiveness of both techniques and the added value of additional reinnervation of the brachialis muscle. METHODS: Comprehensive searches were performed identifying studies concerning restoration of elbow flexion through single and double fascicular nerve transfers. Only C5 to C6 lesion patients were included in quantitative analysis to prevent confounding by indication. Primary outcome was the proportion of patients reaching British Medical Research Council elbow flexion grade 3 or greater. Meta-analysis was performed with random effects models. RESULTS: Thirty-five studies were included (n = 688). In quantitative analysis, 29 studies were included (n = 341). After single fascicular nerve transfer, 190 of 207 patients reached Medical Research Council grade 3 or higher (random effects model, 95.6 percent; 95 percent CI, 92.9 to 98.2 percent); and after double fascicular nerve transfer, 128 of 134 patients reached grade 3 or higher (random effects model, 97.5 percent; 95 percent CI, 95.0 to 100 percent; p = 0.301). Significantly more double nerve transfer patients reached grade 4 or greater if preoperative delay was 6 months or less (84 of 101 versus 49 of 51; p = 0.035). CONCLUSIONS: Additional reinnervation of the brachialis muscle did not result in significantly more patients reaching Medical Research Council grade 3 or higher for elbow flexion. Double fascicular nerve transfer may result in more patients reaching grade 4 or higher in patients with a preoperative delay less than 6 months. The median nerve may be preserved or used for another nerve transfer without substantially impairing elbow flexion restoration.",
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AU - Bulstra, Liselotte F.

AU - Hundepool, Caroline A.

AU - Treling, Willemijn J.

AU - Hovius, Steven E.R.

AU - Shin, Alexander Yong-Shik

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N2 - BACKGROUND: Elbow flexion after upper brachial plexus injury may be restored by a nerve transfer from the ulnar nerve to the biceps motor branch with an optional nerve transfer from the median nerve to the brachialis motor branch (single and double fascicular nerve transfer). This meta-analysis assesses the effectiveness of both techniques and the added value of additional reinnervation of the brachialis muscle. METHODS: Comprehensive searches were performed identifying studies concerning restoration of elbow flexion through single and double fascicular nerve transfers. Only C5 to C6 lesion patients were included in quantitative analysis to prevent confounding by indication. Primary outcome was the proportion of patients reaching British Medical Research Council elbow flexion grade 3 or greater. Meta-analysis was performed with random effects models. RESULTS: Thirty-five studies were included (n = 688). In quantitative analysis, 29 studies were included (n = 341). After single fascicular nerve transfer, 190 of 207 patients reached Medical Research Council grade 3 or higher (random effects model, 95.6 percent; 95 percent CI, 92.9 to 98.2 percent); and after double fascicular nerve transfer, 128 of 134 patients reached grade 3 or higher (random effects model, 97.5 percent; 95 percent CI, 95.0 to 100 percent; p = 0.301). Significantly more double nerve transfer patients reached grade 4 or greater if preoperative delay was 6 months or less (84 of 101 versus 49 of 51; p = 0.035). CONCLUSIONS: Additional reinnervation of the brachialis muscle did not result in significantly more patients reaching Medical Research Council grade 3 or higher for elbow flexion. Double fascicular nerve transfer may result in more patients reaching grade 4 or higher in patients with a preoperative delay less than 6 months. The median nerve may be preserved or used for another nerve transfer without substantially impairing elbow flexion restoration.

AB - BACKGROUND: Elbow flexion after upper brachial plexus injury may be restored by a nerve transfer from the ulnar nerve to the biceps motor branch with an optional nerve transfer from the median nerve to the brachialis motor branch (single and double fascicular nerve transfer). This meta-analysis assesses the effectiveness of both techniques and the added value of additional reinnervation of the brachialis muscle. METHODS: Comprehensive searches were performed identifying studies concerning restoration of elbow flexion through single and double fascicular nerve transfers. Only C5 to C6 lesion patients were included in quantitative analysis to prevent confounding by indication. Primary outcome was the proportion of patients reaching British Medical Research Council elbow flexion grade 3 or greater. Meta-analysis was performed with random effects models. RESULTS: Thirty-five studies were included (n = 688). In quantitative analysis, 29 studies were included (n = 341). After single fascicular nerve transfer, 190 of 207 patients reached Medical Research Council grade 3 or higher (random effects model, 95.6 percent; 95 percent CI, 92.9 to 98.2 percent); and after double fascicular nerve transfer, 128 of 134 patients reached grade 3 or higher (random effects model, 97.5 percent; 95 percent CI, 95.0 to 100 percent; p = 0.301). Significantly more double nerve transfer patients reached grade 4 or greater if preoperative delay was 6 months or less (84 of 101 versus 49 of 51; p = 0.035). CONCLUSIONS: Additional reinnervation of the brachialis muscle did not result in significantly more patients reaching Medical Research Council grade 3 or higher for elbow flexion. Double fascicular nerve transfer may result in more patients reaching grade 4 or higher in patients with a preoperative delay less than 6 months. The median nerve may be preserved or used for another nerve transfer without substantially impairing elbow flexion restoration.

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