Zhonghua yi xue za zhi · 2012
[Diagnosis and treatment of carotid-cavernous fistula: analysis of 28 patients].
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Pang Peng-fei, Jiang Zai-bo, Zhou Bin, Li Zheng-ran, Huang Ming-sheng, Zhu Kang-shun, Guan Shou-hai, Chen Jun-wei, Shan Hong
Аннотация
OBJECTIVE: To evaluate the feasibility and efficacy of endovascular treatment for different types of carotid cavernous fistula (CCF) via the approach of internal carotid artery (ICA) or inferior petrosal sinus (IPS).
METHODS: From April 2005 to June 2010, 28 CCF patients underwent endovascular treatment at our institution. There were 13 males and 15 females with a mean age of 39 years (range: 21 - 71). According to the Barrow's classification, they were classified into type A (n = 21), type B (n = 2) and type D (n = 5). Patients of type A underwent detachable balloon embolization of ipsilateral cavernous sinus or stent-graft placement via the ICA approach. Patients of types B and D received detachable coil plus n-BCA (n-butyl-2-cyanoacrylate) embolization of ipsilateral cavernous sinus via the IPS approach. The technical results, complications and therapeutic outcomes were reviewed.
RESULTS: Detachable balloons (number: 1 - 4) were used in 16 patients of type A. Angiography at immediate postembolization showed a complete occlusion of fistula in 15 patients and a small residual fistula (< 20%) in 1 patient. Five patients of type A received stent-graft placement. One stent was placed in 4 patients and 2 stents in 1 patient. Complete fistula closures with preserved ICA were documented on immediate angiogram in 3 patients whereas a large residual flow (> 50%) persisted in 1. The fistula was completely occluded after 3 detachable balloons were deployed in affected cavernous sinus through a gap between stent and vascular wall. Both fistula and ICA were occluded in 1 patient after stenting. No cerebral infarction was observed due to the adequate collateral blood flow from contralateral ICA. Complete closures of affected cavernous sinus were achieved in 6 patients of types B and D while residual flow (< 50%) persisted in 1. The number of detachable coils for each embolization ranged from 3 to 8 (mean: 6.0). The volume of n-BCA mixture varied from 1.0 to 2.1 ml (mean: 1.3). The mean duration of n-BCA injection was 65 s (range: 45 - 90). Clinical symptoms were completely relieved in 26 patients. During the mean follow-up period of 30 months (range: 12 - 60), no recurrence of clinical symptoms was observed. No thrombosis or stenosis was found in the lumina of stents.
CONCLUSION: Detachable balloon embolization is the preferential treatment for direct CCF. Detachable coil plus n-BCA embolization of cavernous sinus via the IPS approach is an efficient and safe treatment for indirect CCF.
METHODS: From April 2005 to June 2010, 28 CCF patients underwent endovascular treatment at our institution. There were 13 males and 15 females with a mean age of 39 years (range: 21 - 71). According to the Barrow's classification, they were classified into type A (n = 21), type B (n = 2) and type D (n = 5). Patients of type A underwent detachable balloon embolization of ipsilateral cavernous sinus or stent-graft placement via the ICA approach. Patients of types B and D received detachable coil plus n-BCA (n-butyl-2-cyanoacrylate) embolization of ipsilateral cavernous sinus via the IPS approach. The technical results, complications and therapeutic outcomes were reviewed.
RESULTS: Detachable balloons (number: 1 - 4) were used in 16 patients of type A. Angiography at immediate postembolization showed a complete occlusion of fistula in 15 patients and a small residual fistula (< 20%) in 1 patient. Five patients of type A received stent-graft placement. One stent was placed in 4 patients and 2 stents in 1 patient. Complete fistula closures with preserved ICA were documented on immediate angiogram in 3 patients whereas a large residual flow (> 50%) persisted in 1. The fistula was completely occluded after 3 detachable balloons were deployed in affected cavernous sinus through a gap between stent and vascular wall. Both fistula and ICA were occluded in 1 patient after stenting. No cerebral infarction was observed due to the adequate collateral blood flow from contralateral ICA. Complete closures of affected cavernous sinus were achieved in 6 patients of types B and D while residual flow (< 50%) persisted in 1. The number of detachable coils for each embolization ranged from 3 to 8 (mean: 6.0). The volume of n-BCA mixture varied from 1.0 to 2.1 ml (mean: 1.3). The mean duration of n-BCA injection was 65 s (range: 45 - 90). Clinical symptoms were completely relieved in 26 patients. During the mean follow-up period of 30 months (range: 12 - 60), no recurrence of clinical symptoms was observed. No thrombosis or stenosis was found in the lumina of stents.
CONCLUSION: Detachable balloon embolization is the preferential treatment for direct CCF. Detachable coil plus n-BCA embolization of cavernous sinus via the IPS approach is an efficient and safe treatment for indirect CCF.