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The effect of radial shockwave on the median nerve pathway in patients with mild-to-moderate carpal tunnel syndrome: a randomized clinical trial.

ABSTRACT:

Background

This study aimed to evaluate the short-term effect of radial shockwave on the median nerve pathway as a new model method in patients with mild-to-moderate carpal tunnel syndrome.

Methods

In this randomized clinical trial, 60 patients were randomly allocated into three equal groups. The first group received 1500 shocks on the carpal tunnel, the second group received 1500 shocks on the carpal tunnel and median nerve pathways, and the third group was the control group. In all three groups, patients received conventional physiotherapy for ten sessions. In addition, patients in experimental groups received four sessions of radial shockwave. Pain and paresthesia intensity, sensory and motor distal latency were evaluated as primary outcomes. Boston carpal tunnel Questionnaire scores were evaluated as secondary outcomes. Evaluations were performed at baseline, 1 and 4 weeks after the end of the treatment.

Results

Pain and paresthesia intensity and Boston questionnaire score significantly decreased in all three groups, but the greater improvement was noted in shockwave groups. Sensory and motor distal latency were only improved in shockwave groups. In terms of clinical and electrophysiological parameters, two groups of shockwaves showed similar results.

Conclusions

Radial shockwave combined with conventional physiotherapy is an effective noninvasive treatment for mild-to-moderate carpal tunnel syndrome that produces greater and longer-lasting results than conventional physiotherapy alone. There were no differences observed between utilizing radial shockwave on the carpal tunnel or median nerve pathways on the palmar surface of the hand, in terms of clinical and electrophysiological measurements. Clinical Trial registration number The study was registered at https://fa.irct.ir/user/trial/49490/view (20200706048028N1) in date of 08/24/2021.

SUBMITTER: Habibzadeh A

PROVIDER: S-EPMC8786622 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundRadial tunnel syndrome arises due to compression of the radial nerve through the radial tunnel.[1,5] The radial nerve divides into superficial and deep branches in the forearm. The deep branch travels posteriorly through the heads of the supinator where compression commonly occurs.[3,9,7] This syndrome results in pain in the hand and forearm with no motor weakness.[8] This condition can be treated conservatively with splinting and anti-inflammatory medication.[2,4,6] For cases of refractory radial tunnel syndrome, surgical management can be considered. Herein, we have presented a step-by-step video guide on how to perform a radial nerve decompression with a review of the relevant anatomy and surgical considerations.Case descriptionA 68-year-old right-handed woman presented to the Mayo Clinic (Scottsdale, AZ) with the right elbow pain which radiated to the forearm causing significant difficulties with daily tasks. She had been dealing with worsening symptoms for 4 months. The patient's history of gardening and clinical presentation allowed for diagnosis of radial tunnel syndrome. After conservative measures failed and other differential diagnoses were excluded, surgical decompression was recommended to treat her symptoms. The patient's right arm was marked preoperatively between the brachioradialis and extensor carpi radialis longus (ECRL) muscles. The posterior cutaneous nerve of the forearm was identified which allowed for the determination of the interval between the brachioradialis and ECRL. Separation of the two muscles allowed for the identification of the radial sensory nerve. A nerve stimulator was used to confirm the sensory nature of this nerve. The nerve to the extensor carpi radialis brevis (ECRB) was identified and retracted with a vessel loop. Dorsal to the nerve to the ECRB is the posterior interosseous nerve (PIN), which was identified and retracted with a vessel loop. The fascia of the ECRB was divided both longitudinally and transversely and the supinator below was identified. The supinator muscle was carefully divided to further decompress the PIN. Informed consent for publication of this material was obtained from the patient.ConclusionThe patient tolerated the procedure well and reported significantly reduced pain at 7-month follow-up. To the best of our knowledge, video tutorials on this procedure have not been published. This video can serve as an educational guide for peripheral nerve specialists dealing with similar lesions.