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No difference in sensory outcome between vertical and oblique incisions for hamstring graft harvest during ACL reconstruction
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No difference in sensory outcome between vertical and oblique incisions for hamstring graft harvest during ACL reconstruction
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Journal Article
No difference in sensory outcome between vertical and oblique incisions for hamstring graft harvest during ACL reconstruction
2019
Overview
Purpose
To compare the incidence, extent of sensory loss, its clinical effect and natural course caused by sensory nerve injury, during two different skin incisions used for autogenous hamstring graft harvest during ACL reconstruction.
Methods
This randomized prospective study was carried out on 84 patients, divided into two groups, all of them underwent arthroscopic ACL reconstruction using hamstring tendon graft with two incisions; a vertical incision used in 43 patients, and an oblique incision in 41 patients. The location and area of sensory loss were evaluated during follow-up as well as the degree of improvement and patient satisfaction.
Results
The average age in this study was 29.8 ± 7.2 in the vertical group and 29.9 ± 6.3 in the oblique group. Both semitendinosus and gracilles were harvested in 34 patients, semitendinosus in 49 patients and gracilles in one patient. In the vertical group, a higher incidence of sensory loss was recorded with 21 patients (51.2%), relative to the oblique group with 18 patients (41.9%). However, there was no statistically significant difference (
p
= n.s). Most of the sensory loss affected the distribution of the IPBSN (infrapatellar branch of saphenous nerve) in 27 patients (69.2%) in both groups, and to a lesser extent in the lower medial area [distribution of SBSN (sartorial branch of saphenous nerve)] in 12 patients (30.8%).
Conclusion
This study clearly revealed the high incidence of nerve injury particularly the IPBSN during hamstring graft harvest, but did not prove a difference between oblique and vertical incisions, with regard to postoperative sensory loss. It was clear that harvesting the semitendinosus alone is not a factor that can diminish nerve injury.
Level of evidence
II.
Publisher
Springer Berlin Heidelberg,John Wiley & Sons, Inc
Subject
