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Volume 10
Issue 8
10.3390/biomedicines10081878
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Systematic Review

The Grasping Test Revisited: A Systematic Review of Functional Recovery in Rat Models of Median Nerve Injury

by
Henrik Lauer
1,
Cosima Prahm
1,
Johannes Tobias Thiel
1,
Jonas Kolbenschlag
1,
Adrien Daigeler
1,
David Hercher
2,3 and
Johannes C. Heinzel
1,*
1
Department of Hand-, Plastic, Reconstructive and Burn Surgery, BG Unfallklinik Tuebingen, University of Tuebingen, Schnarrenbergstraße 95, 72076 Tuebingen, Germany
2
Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with AUVA, Donaueschingenstraße 13, 1200 Vienna, Austria
3
Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
*
Author to whom correspondence should be addressed.
Biomedicines 2022, 10(8), 1878; https://doi.org/10.3390/biomedicines10081878
Submission received: 8 July 2022 / Revised: 31 July 2022 / Accepted: 1 August 2022 / Published: 3 August 2022
(This article belongs to the Special Issue Advanced Research in Peripheral Nerve Regeneration)
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Abstract

The rat median nerve model is a well-established and frequently used model for peripheral nerve injury and repair. The grasping test is the gold-standard to evaluate functional recovery in this model. However, no comprehensive review exists to summarize the course of functional recovery in regard to the lesion type. According to PRISMA-guidelines, research was performed, including the databases PubMed and Web of Science. Groups were: (1) crush injury, (2) transection with end-to-end or with (3) end-to-side coaptation and (4) isogenic or acellular allogenic grafting. Total and respective number, as well as rat strain, type of nerve defect, length of isogenic or acellular allogenic allografts, time at first signs of motor recovery (FSR) and maximal recovery grasping strength (MRGS), were evaluated. In total, 47 articles met the inclusion criteria. Group I showed earliest signs of motor recovery. Slow recovery was observable in group III and in graft length above 25 mm. Isografts recovered faster compared to other grafts. The onset and course of recovery is heavily dependent from the type of nerve injury. The grasping test should be used complementary in addition to other volitional and non-volitional tests. Repetitive examinations should be planned carefully to optimize assessment of valid and reliable data.
Keywords: median nerve; grasping test; nerve repair; nerve crush; nerve transection; rat; animal; functional recovery; autograft; allograft median nerve; grasping test; nerve repair; nerve crush; nerve transection; rat; animal; functional recovery; autograft; allograft

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MDPI and ACS Style

Lauer, H.; Prahm, C.; Thiel, J.T.; Kolbenschlag, J.; Daigeler, A.; Hercher, D.; Heinzel, J.C. The Grasping Test Revisited: A Systematic Review of Functional Recovery in Rat Models of Median Nerve Injury. Biomedicines 2022, 10, 1878. https://doi.org/10.3390/biomedicines10081878

AMA Style

Lauer H, Prahm C, Thiel JT, Kolbenschlag J, Daigeler A, Hercher D, Heinzel JC. The Grasping Test Revisited: A Systematic Review of Functional Recovery in Rat Models of Median Nerve Injury. Biomedicines. 2022; 10(8):1878. https://doi.org/10.3390/biomedicines10081878

Chicago/Turabian Style

Lauer, Henrik, Cosima Prahm, Johannes Tobias Thiel, Jonas Kolbenschlag, Adrien Daigeler, David Hercher, and Johannes C. Heinzel. 2022. "The Grasping Test Revisited: A Systematic Review of Functional Recovery in Rat Models of Median Nerve Injury" Biomedicines 10, no. 8: 1878. https://doi.org/10.3390/biomedicines10081878

APA Style

Lauer, H., Prahm, C., Thiel, J. T., Kolbenschlag, J., Daigeler, A., Hercher, D., & Heinzel, J. C. (2022). The Grasping Test Revisited: A Systematic Review of Functional Recovery in Rat Models of Median Nerve Injury. Biomedicines, 10(8), 1878. https://doi.org/10.3390/biomedicines10081878

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