Abstract
Introduction: The restless legs syndrome (RLS) is a neurological disorder in patients undergoing hemodialysis. This syndrome causes individual’s disturbed rest, discomfort, and stress, and secondarily to weakened functioning and disturbance in occupational activities and familial life. Objectives: The present study aimed at investigate the effect of vibration on the severity of the manifestation of symptoms of RLS in hemodialysis patients. Patients and Methods: This is an interventional before-after study conducted on 80 patients with RLS in hemodialysis wards of Yazd hospitals. The samples were selected randomly and intervention was performed on the patients as vibration for 10 minutes three times per week during 4 succeeding weeks. The questionnaire of severity of RLS was completed before the study and at the last day of intervention before and after vibration. The data were analyzed with SPSS 23 using descriptive statistics and paired t test (P<0.05). Results: Our findings showed that most patients were at the moderate level of severity of symptoms before (68.8%) and after (78.8%) intervention and there was a significant difference in the mean score of RLS between before (18.99) and after (12.82) intervention (P=0.001). Conclusion: Based on the results of this study, it can be concluded that vibration decreases the severity of symptoms of RLS in hemodialysis patients. Hence, it is recommended that vibration be used as a cost-effective and safe procedure to improve the symptoms of RLS in this group of patients.
Highlights
The restless legs syndrome (RLS) is a neurological disorder in patients undergoing hemodialysis
The findings demonstrated that regarding the severity of symptoms, most patients were at the severe level (31.2%) and the moderate level (68.8%) before the intervention while they were at the mild level (16.2%) and moderate level (78.8%)
The findings of the present study showed that the mean and standard deviation (SD) of RLS score were different before intervention by vibration (18.99 ± 3.292) compared to after intervention (12.82 ± 2.726) indicating a significant decrease (P = 0.001; Table 2)
Summary
The restless legs syndrome (RLS) is a neurological disorder in patients undergoing hemodialysis. The RLS is a common sensory-motor disorder (4) manifesting itself as an intensive inclination for moving the feet and sometimes other parts of the body It may be associated with uneasiness, pain, tingling, and numbness of the feet or other body organs. Vibration causes an increase in the patients’ body temperature and this condition, in turn, leads to increased release of oxygen from myoglobin and hemoglobin, increased muscular blood flow, increased sensitivity of neural receptors, increased nerve velocity, and decreased muscular viscosity. All these factors contribute to improved health, and the bio-motor and functional indices (8). The case report by Junggi conducted on the effect of whole body vibration on neuropathic pain induced by diabetes in a 71-year-old patient demonstrated that the patient’s neuropathic pain decreased after 8 weeks of application of whole body vibration and the patient’s posture and gait improved significantly (9)
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