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Paper Information

Journal:   IRANIAN JOURNAL OF RADIOLOGY   JULY 2015 , Volume 12 , Number 3; Page(s) 0 To 0.
 
Paper: 

COIL EMBOLIZATION OF INTRACRANIAL ANEURYSMS: A SIX-MONTH FOLLOW-UP STUDY

 
 
Author(s):  MIRI MOJTABA, GHANAATI HOSSEIN, SALAMATI PAYMAN, EBRAHIMI NIK HOJAT, JALALI AMIR HOSSEIN*, SAEEDNEJAD MINA, FIROUZNIA KAVOUS
 
* ADVANCED DIAGNOSTIC AND INTERVENTIONAL RADIOLOGY RESEARCH CENTER (ADIR), IMAM KHOMEINI HOSPITAL, TEHRAN UNIVERSITY OF MEDICAL SCIENCES, TEHRAN, IRAN
 
Abstract: 

Background: Rupture of the intracranial aneurysms is associated with a high risk of bleeding and a high incidence of mortality if left untreated.
Objectives: The aim of this study is to report our experience in managing intracranial aneurysms using coil embolization and to report the 6-month follow-up outcome of the patients.
Patients and Methods: From January 2010 to December 2012, a series of 90 nonrandomized consecutive patients (mean age: 44.6±14.9 years) with intracranial aneurysms underwent endovascular coil embolization in our center. We excluded patients with dissecting, blood blister-like, or false aneurysms. All patients were evaluated by four-vessel angiography to determine the shape, size, number and location of the aneurysms. We recommended a six-month follow-up control angiography. However, only 38 of them participated in this follow-up imaging. The data were analyzed by chi-square, fisher exact and t-tests and alpha was considered lower than 5%.
Results: Immediately after the procedure, the total occlusion was seen in 76 (86.4%), subtotal occlusion in six (6.8%), and partial occlusion in six patients (6.8%). There was no significant relationship between the aneurysm size, aneurysm neck size, and location of the aneurysm with total or subtotal occlusions. Eleven patients (12.5%) experienced some complication during the procedure including two tears, three focal neurological signs, three vision disturbances, and three bleedings in the aneurysm. Major complications were significantly higher in the posterior aneurysm compared to the anterior ones (55.6% versus 44.4% of the major complications; P value=0.015). Among patients who underwent control angiography, 34 patients (89.4%) had no change, two (5.3%) had new growth and two (5.3%) had widening of the neck after 6 months follow-up. Although aneurysms that remained unchanged after six months follow-up angiography had total occlusion after the procedure, it was 50% for aneurysms that had any changes in 6 months follow-up angiography (P value=0.01).
Conclusion: Coil embolization showed successful outcomes in the treatment of intracranial aneurysms with a low complication rate.

 
Keyword(s): INTRACRANIAL ANEURYSM, ENDOVASCULAR PROCEDURE, FOLLOW-UP
 
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