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CC BY 4.0 · J Brachial Plex Peripher Nerve Inj 2023; 18(01): e32-e41
DOI: 10.1055/s-0043-1767672
Original Contribution

Redefining the Inclusion Criteria for Successful Steindler Flexorplasty Based on the Outcomes of a Case Series in Eight Patients

Alexander A. Gatskiy 
1   Restorative Neurosurgery Department, Romodanov Neurosurgery Institute, Kyiv, Ukraine
,
Ihor B. Tretyak
1   Restorative Neurosurgery Department, Romodanov Neurosurgery Institute, Kyiv, Ukraine
,
Jörg Bahm
2   Klinik für Plastische Chirurgie, Hand- und Verbrennungschirurgie, Sektion Plexuschirurgie in der Uniklinik RWTH Aachen, Aachen, Deutschland
,
Vitaliy I. Tsymbaliuk
3   National Academy of Medical Sciences of Ukraine, Kyiv, Ukraine
,
Yaroslav V. Tsymbaliuk
4   Group of Chronic Pain Treatment, Romodanov Neurosurgery Institute, Kyiv, Ukraine
› Author Affiliations Funding None.
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Abstract

Background (rationale) Steindler flexorplasty (SF) is aimed at restoring independent elbow flexion in the late stages of dysfunction of the primary elbow flexors. Selection criteria for successful SF have been defined.

Objectives The purpose of this study was to redefine the inclusion criteria for successful SF based on functional outcomes.

Methods Eight patients received SF after an average of 50.8 months after injury or dysfunction. Three patients (37.5%) met all five Al-Qattan inclusion criteria (AQIC), and another five patients (62.5%) met four or less AQIC. Patients were followed up for at least 9 months, and the maximum range of active elbow flexion (REF) was measured. Functional results of SF were assessed using the Al-Qattan scale (in accordance with Al-Qattan's scale).

Results The mean maximum REF was 100 degrees (70 to 140 degrees). Five patients reached REF greater than 100 degrees. One patient had a poor outcome, two patients (25%) had a fair outcome, three patients (37.5%) had a good outcome, and two patients (25%) had an excellent outcome of SF on the Al-Qattan scale. The impact of each AQIC on functional outcome has been critically reviewed from a biomechanical point of view.

Conclusions The sufficient number of inclusion criteria required for successful SF can be reduced from five (according to AQIC) to two; Normal or near-normal function (M4 or greater on the MRC scale) of the muscles of the flexor-pronator mass should be considered an obligatory inclusion criterion, while primary wrist extensors may be considered an optional inclusion criterion.

Keywords

brachial plexus injury - nerve transfer - Steindler flexorplasty

Informed Consent

Written informed consent was obtained from all patients for the publication of their anonymized data in this article.


Ethical approval

Romodanov Neurosurgery Institute does not require ethical approval for reporting individual case series.


Contributorship

All authors made a substantial contribution to the acquisition, analysis, and interpretation of data, drafted the article and critically revised it for important intellectual content.




Publication History

Received: 28 April 2022

Accepted: 03 February 2023

Article published online:
11 October 2023

© 2023. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/)

Georg Thieme Verlag KG
Rüdigerstraße 14, 70469 Stuttgart, Germany

 

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