Dataset Information

Small-Bore Needle Arthroscopic Extensor Carpi Radialis Brevis Release Results in Improved Outcomes at One Year Postoperatively.

ABSTRACT:

Purpose

To evaluate outcomes of patients who underwent small-bore needle arthroscopic extensor carpi radialis brevis (ECRB) release for the management of recalcitrant lateral epicondylitis.

Methods

Patients who underwent elbow evaluation and ECRB release using a small-bore needle arthroscopy system were included in this study Thirteen patients were included. Quick Disabilities of the Arm Shoulder and Hand and Single Assessment Numerical Evaluation scores, as well as overall satisfaction scores, were collected. A 2-tailed paired t-test was conducted to assess the statistical significance of the differences observed between preoperative and 1-year postoperative scores with significance set at P < .05.

Results

There was a statistically significant improvement in both outcome measures (P < .001) and a 92.3% satisfaction rate with no significant complications at a minimum 1-year follow-up.

Conclusions

Patients with recalcitrant lateral epicondylitis treated with ECRB release using needle arthroscopy demonstrated significantly improved Quick Disabilities of the Arm Shoulder and Hand and Single Assessment Numerical Evaluation scores postoperatively, without complications.

Level of evidence

IV, retrospective case series.

SUBMITTER: Vander Voort WD

PROVIDER: S-EPMC9971873 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

Small-Bore Needle Arthroscopic Extensor Carpi Radialis Brevis Release Results in Improved Outcomes at One Year Postoperatively.

Vander Voort Wyatt Daniel WD Saad Maarouf M Falgout David D Blaine Theodore A TA Kassam Hafiz F HF

Arthroscopy, sports medicine, and rehabilitation 20221223 1

<h4>Purpose</h4>To evaluate outcomes of patients who underwent small-bore needle arthroscopic extensor carpi radialis brevis (ECRB) release for the management of recalcitrant lateral epicondylitis.<h4>Methods</h4>Patients who underwent elbow evaluation and ECRB release using a small-bore needle arthroscopy system were included in this study Thirteen patients were included. Quick Disabilities of the Arm Shoulder and Hand and Single Assessment Numerical Evaluation scores, as well as overall satisf ...[more]

PMID: 36866300

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Project description:BackgroundSpinal motoneurons may become hyperexcitable after a stroke. Knowledge about motoneuron hyperexcitability remains clinically important as it may contribute to a number of phenomena including spasticity, flexion synergies, and abnormal limb postures. Hyperexcitability seems to occur more often in muscles that flex the wrist and fingers (forearm flexors) compared to other upper limb muscles. The cause of hyperexcitability remains uncertain but may involve plastic changes in motoneurons and their axons.AimTo characterize intrinsic membrane properties of flexor carpi radialis (FCR) motor axons after stroke using nerve excitability testing.MethodsNerve excitability testing using threshold tracking techniques was applied to characterize FCR motor axon properties in persons who suffered a first-time unilateral cortical/subcortical stroke 23 to 308 days earlier. The median nerve was stimulated at the elbow bilaterally in 16 male stroke subjects (51.4 ± 2.9 y) with compound muscle action potentials recorded from the FCR. Nineteen age-matched males (52.7 ± 2.4 y) were also tested to serve as controls.ResultsAxon parameters after stroke were consistent with bilateral hyperpolarization of the resting potential. Nonparetic and paretic side axons were modeled by a 2.6-fold increase in pump currents (IPumpNI) together with an increase (38%-33%) in internodal leak conductance (GLkI) and a decrease (23%-29%) in internodal H conductance (Ih) relative to control axons. A decrease (14%) in Na+ channel inactivation rate (Aah) was also needed to fit the paretic axon recovery cycle. "Fanning out" of threshold electrotonus and the resting I/V slope (stroke limbs combined) correlated with blood potassium [K+] (R = -0.61 to 0.62, p< 0.01) and disability (R = -0.58 to 0.55, p < 0.05), but not with spasticity, grip strength, or maximal FCR activity.ConclusionIn contrast to our expectations, FCR axons were not hyperexcitable after stroke. Rather, FCR axons were found to be hyperpolarized bilaterally post stroke, and this was associated with disability and [K+]. Reduced FCR axon excitability may represent a kind of bilateral trans-synaptic homeostatic mechanism that acts to minimize motoneuron hyperexcitability.

Dataset Information

Small-Bore Needle Arthroscopic Extensor Carpi Radialis Brevis Release Results in Improved Outcomes at One Year Postoperatively.

Purpose

Methods

Results

Conclusions

Level of evidence

Publications

Small-Bore Needle Arthroscopic Extensor Carpi Radialis Brevis Release Results in Improved Outcomes at One Year Postoperatively.

Similar Datasets

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