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Use of palmitoylethanolamide in carpal tunnel syndrome: a prospective randomized study.

ABSTRACT: BACKGROUND:Palmitoylethanolamide (PEA) is an endogenous fatty acid amide that has shown anti-inflammatory activity and neuroprotection and has been used for the treatment of compressive syndromes. The aim of this study is to investigate the clinical and electrophysiological effects of conservative treatment with PEA in low to moderate carpal tunnel syndrome (CTS). MATERIALS AND METHODS:A prospective double-blinded randomized study was performed on 61 patients with a clinical and electrophysiologically confirmed diagnosis of low and moderate CTS. The patients were randomly assigned to two groups. Group N was given 300 mg of PEA twice a day over 60 days and Group P received a placebo with exactly the same appearance every 12 h for the same period. CTS was evaluated before and after treatment through clinical findings, Boston Carpal Tunnel Questionnaire, visual analog scale (VAS) and electrophysiological data. The results were evaluated with Student's t test and chi-squared test. RESULTS:No differences were observed in either group compared to the initial status regarding Durkan's test, Phalen's test, VAS and electrophysiological data after treatment. The Boston Questionnaire showed better results in both groups, with an improvement in only the symptom severity scale (SSS; p = 0.002809) for group P and improvement in the functional status scale (FSS; p = 0.03334) and SSS (p = 0.005) for group N. CONCLUSIONS:The results of this study suggest that treatment of CTS with PEA at a dose of 600 mg/day is not associated with an improvement of any clinical and electrophysiological parameters. However, we observed an improvement in the FSS in the Boston Questionnaire after treatment with PEA. Together with the results of other studies, we conclude that further studies of PEA in CTS at higher doses are necessary. LEVEL OF EVIDENCE:Level I of evidence according to 'The Oxford 2011 Level of Evidence'.

SUBMITTER: Faig-Marti J

PROVIDER: S-EPMC5685977 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Use of palmitoylethanolamide in carpal tunnel syndrome: a prospective randomized study.

Faig-Martí Jordi J Martínez-Catassús Adriana A

Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology 20170315 4

<h4>Background</h4>Palmitoylethanolamide (PEA) is an endogenous fatty acid amide that has shown anti-inflammatory activity and neuroprotection and has been used for the treatment of compressive syndromes. The aim of this study is to investigate the clinical and electrophysiological effects of conservative treatment with PEA in low to moderate carpal tunnel syndrome (CTS).<h4>Materials and methods</h4>A prospective double-blinded randomized study was performed on 61 patients with a clinical and e ...[more]

PMID: 28299455

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Project description:ObjectiveTo perform a pilot study to assess the efficacy of intraneural facilitation, a novel manual technique, in the treatment of carpal tunnel syndrome (CTS).DesignPatients with clinical and electrodiagnostic evidence of CTS were randomized into intraneural facilitation or sham groups.SettingElectrodiagnostic laboratory in a university medical center.ParticipantsPatients referred to our electrodiagnostic laboratory were screened based on nerve conduction studies that were diagnostic for distal median neuropathy at the wrist or CTS. A total of 14 participants were enrolled; 4 participants withdrew prior to randomization, with the remaining 10 participants (N=10) divided equally between treatment and control groups. There was a 9:1 female-to-male sex ratio and average duration of symptoms was 28.5 months.InterventionsTreatment was performed twice weekly for 3 weeks.Main outcome measuresPrimary outcomes were the Boston Carpel Tunnel Questionnaire (BCTQ) and Boston Functional Status Scale at enrollment and at 1 week and 3 months after completion of intervention. A secondary outcome was ultrasonography (US) of the median nerve performed at baseline and 1 week after intervention.ResultsTen participants completed the trial, 5 each in the treatment and 5 each in the sham groups. The total percentage change in BCTQ and Boston Functional Status Scale scores decreased at baseline, 1 week, and 3 months after intervention. However, there was no difference between control and intraneural facilitation group. Within-group differences showed nonstatistically significant differences for all the groups except for the BCTQ questionnaires after 3 months of intraneural facilitation therapy was completed (P=.043) compared with baseline. Between-group differences showed large effects for the BCTQ questionnaires (d=1.933) and wrist to forearm ratio (WFR) 1 week after completion of intervention.ConclusionsThis pilot study suggests that intraneural facilitation might improve symptoms and possibly function but did not improve median nerve cross-sectional area or WFR in CTS at follow-up evaluation 3 months after completion of intervention.

Project description:PurposeGabapentinoids are commonly prescribed for the treatment of neuropathic pain but are not recommended for the primary treatment of carpal tunnel syndrome (CTS). We sought (1) to investigate the preoperative use of gabapentinoids for the treatment of CTS and (2) to determine whether preoperative exposure is associated with persistent gabapentinoid and opioid use after carpal tunnel release.MethodsWe performed a retrospective cohort study using IBM MarketScan Research Databases (2010-2017) of patients who did not fill a gabapentinoid or opioid prescription within 3 months of a new CTS diagnosis undergoing surgical release. Our primary outcomes included preoperative gabapentinoid prescription fills associated with CTS and persistent prescription fills of gabapentinoids and opioids at 91 to 180 days after surgery. Multivariable logistic regression models were used to evaluate the association between patient-level factors and persistent gabapentinoid and opioid use.ResultsOf the 56,593 patients without a previous gabapentinoid or opioid prescription prior to diagnosis of CTS, 3,474 patients (6%) filled a gabapentinoid prescription before carpal tunnel release. Overall, 835 patients (24% of the preoperative users) continued to fill gabapentinoid prescriptions at 91 to 180 days after surgery. Of the preoperative gabapentinoid users, 20% (702 patients) continued to fill opioid prescriptions at 91 to 80 days after release. After adjusting for patient characteristics, preoperative gabapentinoid use was associated with increased odds of persistent postoperative gabapentinoid use (preoperative gabapentinoid, 22% adjusted probability; 95% confidence interval [95% CI], 20.3%-23.0%, no preoperative gabapentinoid use, 1%; 95% CI, 1.2%-1.4%) and persistent postoperative opioid use (preoperative gabapentinoid, 18% adjusted probability; 95% CI, 17%-20%), no preoperative gabapentinoid, 9%; 95% CI, 8.6%-9.1%).ConclusionsDespite a lack of evidence to support the use of gabapentinoids for CTS, 6% of patients are prescribed a gabapentinoid prior to surgery, and prolonged use is common. Given the effectiveness of surgical release and the risks associated with gabapentinoids, greater attention is needed to ensure that gabapentinoids are prescribed appropriately, avoided when possible, and stopped after surgery.Type of study/level of evidencePrognostic II.

Dataset Information

Use of palmitoylethanolamide in carpal tunnel syndrome: a prospective randomized study.

Publications

Use of palmitoylethanolamide in carpal tunnel syndrome: a prospective randomized study.

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