Evaluation of associated factors with carpal tunnel syndrome in patients referred to orthopedic and neurosurgery clinic of Azad Islamic universities hospitals

Subject Areas : علوم پزشکی

Khosro Shayan ¹ , Marziyeh Ghanad ²

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Received: 2017-06-05 Accepted : 2017-06-05 Published : 2014-11-22

Keywords: Carpal tunnel syndrome- Risk factor- Sex- Age- Wrist circumference,

Abstract :

Introduction: Carpal tunnel syndrome (CTS), an entrapment of the median nerve at the wrist, is the most commonly encountered neuropathy causing disability. The aim of this study is to compare age, gender, high body mass index (BMI), wrist circumference, occupation, computer use, and other systemic factors in CTS patients with controls.                                                                                                                                                 Methods: We performed a case–control study with 100 CTS and cases 100 controls In a six months period during 2014. Patients were selected from those referred to nerve conduction studies and electromyography in university hospitals of Islamic Azad Universty of Mashhad. Patients were excluded if they had a history of cigarette smoking, addiction,  alcohol, diabetes mellitus, or other known systemic diseases such as hypertension, amyloidosis or rheumatoid arthritis. Age, sex, occupation, history of trauma to the wrist and forearm, pregnancy, wrist circumference, and computer work were asked by one researcher in all cases and study groups. Data were analysed by SPSS ver, 18 by Chi-square test or T-test.   Result: The mean age was greater in the case group than in the control (49.8+15.1 ver 37.0+14.5 years, P=0.0001). The mean BMI was 29.0+4.2 kg/m2 in case group whereas it was 23.2+2.8 kg/m2 in the case group (P=0.00001). There was no significant differece between two groups  in terms of gender (P=0.202). 66.7% of retirees and 57.4% of housewives had carpal tunnel syndrom. Analysis showed wrist circumference was higher in case group (16.8+1.3 cm ver 16.4+1.4, P=0.036) and also patients had more steroid usage (P=0.004), but history of trauma to the wrist and forearm was not significantly associated with CTS.   Conclusions: Our study confirms thatobesity, age and wrist circumference, steroid usage, and occupation have more incidence in CTS in comparision to the normal population.  

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