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Year : 2013  |  Volume : 6  |  Issue : 3  |  Page : 189-192

The incidence and prevalance of idiopathic intracranial hypertension in south Sharaqiah region, Oman

Department of Ophthalmology, Sur Hospital, Sultanate of Oman, Oman

Correspondence Address:
Thara Idiculla
Sur Hospital, P.O 995/411, Sultanate of Oman
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0974-620X.122276

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Background: To determine the incidence and demographic features of idiopathic intracranial hypertension (IIH) in south Sharqiyah, Sultanate of Oman. Materials and Methods: A retrospective review of Omani patients diagnosed as IIH in Sur Regional Hospital from January 2001 to December 2011 was carried out. All patients fulfilled the modified Dandy criteria for IIH. Data collected included age and sex of patients, age of onset of the disease, body mass index (BMI), presence of comorbid conditions, and medication use. Findings of ophthalmic examination, neuroimaging, and neurological assessment were recorded. Total number of new outpatients in the study period and the 2010 south Sharqiyah mid-population statistics were also collected. Results: Forty patients were diagnosed as IIH during a period of 11 years from January 2001 to December 2011 in Sur Regional Hospital. The female to male ratio was 3:1; of the 40 patients; 30 (75%) females and 10 (25%) males. Thirteen patients (32.5%) were children below 15 years. Of females in the child bearing age (15-44 years), 60% were obese. As per 2010 census, the Omani population in south Sharqiyah region was 166,318. The calculated annual incidence per 100,000 persons of general population was 2.18. Annual incidence in women of all ages per 100,000 persons was 3.25 and in women of child bearing age was 4.14. In children below 15 years, the incidence was 1.9 per 100,000 children; it was 2.96 per 100,000 for female children. Conclusion: This study shows that the incidence in south Sharqiyah is comparable to that of other countries. Females and obese patients are at a higher risk of developing IIH. Obesity is not a risk factor in males and children. Nearly 60% of the females in the child bearing age were obese.

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