What Is the Real Incidence of Aneurysmal Subarachnoid Hemorrhage in the Middle East? A Preliminary Multicenter Study in Iran

Zabihyan, Samira; Etemadrezaie, Hamid; Baharvahdat, Humain; Bateni, Farzad; Rajabi, Parisa; Nekooei, Sirous; Ahmadi, S; Pooyan, Ashkan; Rahmanian, Abdolkarim; Jamali, Mohammad

doi:10.1016/j.wneu.2011.08.029

Cited by 8 publications

(3 citation statements)

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“…In the Fars province, located in the Southern Iran, in a study carried out from September 2002 to March 2006 only 68 cases were identified during the four-year study period, which corresponds to an incidence estimate of <1/100,000 annually[ 6 ]. Another study from the same region, however, reported the incidence of aSAH to be 1.31/100,000 persons during a one-year period from March 2008 to March 2009 [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

Aneurysmal subarachnoid haemorrhage (aSAH): Five consecutive years' experience of Fars province, Iran

et al. 2017

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ObjectiveSubarachnoid haemorrhage (SAH), caused by the rupture of intracranial aneurysms, is a devastating event with high rates of morbidity and mortality. Aneurysmal subarachnoid haemorrhage (aSAH) plays a critical role in the potential loss of life as its sufferers are usually of a young age. We aimed to investigate the incidence of aSAH along with the patients’ characteristics over five consecutive years in Fars, a large province located in Southern Iran.MethodsIn this prospective study, anonymous data of all patients diagnosed with aSAH in Fars province were collected after patient admission and surgery. Data from the last national census in 2011 were used to calculate the incidence. The data were analysed using SPSS software version 18 using independent sample t test, chi square test and ANOVA. The significance level was set at 0.05.ResultsThe number of aSAH cases identified in Fars, Iran, each year varied between 78 (2011) and 98 (2015) for a total of 421 aSAH cases within the 5-year study period. The annual aSAH incidence estimates showed no differences and were 1.65 [95% confidence interval (CI): 1.58–1.72], 1.70 (95%CI: 1.68–1.72), 1.71 (95%CI: 1.63–1.78), 1.82 (95%CI: 1.74–1.9), and 2.05 (95%CI: 1.97–2.13) per 100,000 persons, respectively, for the five consecutive years from 21 March 2011 to 20 March 2016. Hypertension was the most common risk factor, and was found in 198 (48%) aSAH patients. Ninety-four (22.5%) patients had moderate hydrocephalus on admission. Middle cerebral artery and anterior communicating artery were the most common sites of aneurysms. On admission, 351 (83%) patients had a Glasgow Coma Scale score >7, 197 (47%) presented with Hunt and Hess score of 1, and 365 (87%) had a Fisher score of ≤3. Multiple aneurysms were found in 59 (14%) of the 421 cases and the most common risk factors in multiple aneurysms were hypertension in 30 (51%) and smoking in 26 (44%) cases. Survival data were available only on patients diagnosed in year 2015, and the six-month survival rate was 89.8%.ConclusionsThis study revealed that although the incidence of aSAH remained stable, the survival of aSAH patients who reached the hospital alive and were operated on, improved in Shiraz (the six-month survival rate was 89.8% in year 2015). The incidence and survival study on aSAH in other geographic areas of Iran as a multi-centre study is recommended. There is a need to inform primary healthcare workers regarding the possibility of aSAH in a patient with signs of the sentinel headache.

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Section: Introductionmentioning

confidence: 99%

Aneurysmal subarachnoid haemorrhage (aSAH): Five consecutive years' experience of Fars province, Iran

et al. 2017

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“…The mean age of patients in our study was 43.2 years, which is much lower than that reported in published reports. In a study by Zabihyan et al, 10 investigators reported a mean age of 50.3 years. In other hospital-based studies, the authors reported mean ages of 51 and 56 years for patients with aSAH.…”

Section: Discussionmentioning

confidence: 98%

“…Finally, as this was a single-center study, the generalizability of the results are limited. 10 Hence, future prospective multicenter studies should be performed to better assess the epidemiology of aneurysmal SAH in Saudi Arabia.…”

Section: Discussionmentioning

confidence: 99%

Aneurysmal subarachnoid hemorrhage affects the younger age groups in a Saudi academic center

Bokhari

Batarfi

Alnahdi

et al. 2015

Annals of Saudi Medicine

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BACKGROUND AND OBJECTIVESThe epidemiology, clinical characteristics, and risk factors of aneurysmal subarachnoid hemorrhage (aSAH) in Saudi Arabia are still largely unknown. This retrospective cohort study was aimed to determine these features of the disease.DESIGN AND SETTINGSA retrospective cohort review was performed on all patients with aSAH who were treated and followed at King Abdulaziz University Hospital between July 2000 and December 2013.PATIENTS AND METHODSA quantitative methodology was used and data were collected on patients’ age, gender, nationality, time to hospital presentation, clinical presentation, aneurysm characteristics, treatment, complications, and outcome.RESULTSA total of 41 patients with aSAH were included with a mean age of 43.2 (11.5) years; and males comprised 34.1%. Smoking and hypertension were the most common risk factors. Eight patients had known risk factors for aSAH, and were diagnosed using CT scans. An unfavorable outcome was associated with the presence of vasospasm (P<.001), cerebral edema (P=.001), and hydrocephalus (P=.003).CONCLUSIONA high occurrence of aSAH was observed in an age group younger than that reported in published reports. The pattern and outcome of aSAH were otherwise similar to prior reports. Future studies investigating these observations in other centers in the country can improve the prevention and treatment of this serious condition.

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Incidence, Epidemiology, and Treatment of Aneurysmal Subarachnoid Hemorrhage in 12 Midwest Communities

Ziemba-Davis¹,

Bohnstedt²,

Payner³

et al. 2014

Journal of Stroke and Cerebrovascular Diseases

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What Is the Real Incidence of Aneurysmal Subarachnoid Hemorrhage in the Middle East? A Preliminary Multicenter Study in Iran

Cited by 8 publications

References 4 publications

Aneurysmal subarachnoid haemorrhage (aSAH): Five consecutive years' experience of Fars province, Iran

Aneurysmal subarachnoid haemorrhage (aSAH): Five consecutive years' experience of Fars province, Iran

Aneurysmal subarachnoid hemorrhage affects the younger age groups in a Saudi academic center

Incidence, Epidemiology, and Treatment of Aneurysmal Subarachnoid Hemorrhage in 12 Midwest Communities

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