Abstract
BackgroundMany studies on transcutaneous electrical nerve stimulation (TENS) had been undertaken to explore its pain relieving efficiency on several medicals/surgical conditions but none, specifically, had been carried out to determine the effect it has on post-injection sciatic pain (PISP) which comes about from wrong administration of intramuscular pain. This study aims to assess the effects of TENS in the management of PISP.MethodsA total of 72 PISP subjects comprising 40 test subjects and 32 control subjects participated in a non-randomized controlled clinical trial in the current study. Participants were recruited from Department of Physiotherapy, Nnamdi Azikiwe University Teaching Hospital, Nnewi and Landmark Physiotherapy Services, Nnewi. The participants were however blinded to the intervention method they will receive before being allotted conveniently to test/experimental group (TG) or control group (CG). A written informed consent was obtained from participants before enrollments in the study. TENS and sham TENS (STENS) was applied to 40 test and 32 subjects respectively, 3 times a week, and 1 hour per session for the 10 weeks the study lasted. The Visual Analogue Scale was used to collect baseline data as well as those of 2nd, 4th, 6th, 8th and 10th weeks after TENS and STENS interventions. The data analysis was performed with the Descriptive statistic of Mean ± SD, mean comparison test, repeated analysis of variance and paired wise t-test. Statistical level of significance was set at P < 0.05.ResultResults of repeated measure ANOVA showed that the pain level among participants in the treatment group at the end (after 10 weeks) of the intervention was significantly lower than that of their counterparts in the control group (F = 16.26; p = 0.01); with the intervention accounting for the 19% of the variance. The effect size (partial eta squared) = 0.19.ConclusionThe outcome of this research has proved the effectiveness of TENS in the management of PISP and is being recommended in the management of PISP.Trial registrationPan Africa Clinical Trial Registry (PACTR201805003408271). The study was registered retrospectively on the 29th May, 2018.
Highlights
Many studies on transcutaneous electrical nerve stimulation (TENS) had been undertaken to explore its pain relieving efficiency on several medicals/surgical conditions but none, had been carried out to determine the effect it has on post-injection sciatic pain (PISP) which comes about from wrong administration of intramuscular pain
Results of repeated measure analysis of variance was (ANOVA) showed that the pain level among participants in the treatment group at the end of the intervention was significantly lower than that of their counterparts in the control group (F = 16.26; p = 0.01); with the intervention accounting for the 19% of the variance (Table 4)
Discussions This study evaluated the effect of Transcutaneous Electrical Nerve Stimulation (TENS) in the management of sciatic pain following intramuscular injection
Summary
Many studies on transcutaneous electrical nerve stimulation (TENS) had been undertaken to explore its pain relieving efficiency on several medicals/surgical conditions but none, had been carried out to determine the effect it has on post-injection sciatic pain (PISP) which comes about from wrong administration of intramuscular pain. The sciatic nerve can be irritated by some other medical problems such as a herniating disc The consequence of these on the body system is the generation of painful sensation that traverses partially or completely the route of the sciatic nerve and is known as sciatica. PISP has an intriguing nature and could present with the symptoms of pain, weakness, numbness and other discomforts along the sciatic nerve. One of the physical therapy modalities used in this regard is transcutaneous electrical nerve stimulation (TENS)
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