Journal of neurology, neurosurgery, and psychiatry · 2012
Long term outcome after conservative and surgical treatment of haemorrhagic moyamoya disease.
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Liu Xingju, Zhang Dong, Shuo Wang, Zhao Yuanli, Wang Rong, Zhao Jizong
Аннотация
OBJECTIVE: To investigate the long term outcomes after conservative and surgical treatment for haemorrhagic moyamoya disease.
METHODS: 97 consecutive patients with haemorrhagic moyamoya disease from 1997 to 2009 were enrolled in this study (mean age 31±10 years; range 5-56 years). We reviewed the clinical charts and radiographs of patients at the first bleeding episode. Follow-up was obtained prospectively by questionnaires and radiographic examinations. Outcomes were compared based on initial treatment (conservative vs surgical).
RESULTS: After a median follow-up of 7.1 years, 21 of the 97 (21.7%) patients developed a second episode of bleeding, and six patients (6.2%) died of intracranial rebleeding. The median interval from initial episode to subsequent rebleeding was 9.1 years (0.1-23.2 years). 17 of 43 (37.1%) conservatively treated patients and four of 54 (7.4%) surgically treated patients experienced a rebleeding event (OR 8.1; 95% CI 2.4 to 26.8; p<0.001). There was a difference in the Kaplan-Meier curve of rebleeding between the two groups (Breslow test p=0.047; log rank test p=0.05). The rebleeding ratio in patients who underwent direct bypass was lower than that in patients treated with indirect bypass alone (0% vs 28.5%, 95% CI 1.0 to 1.9; p=0.002). No significant correlation was found between rebleeding and the patient's age, sex, location of haemorrhage, hypertension status or presence of cerebral aneurysm (p>0.05).
CONCLUSIONS: There is a high risk of rebleeding after the first haemorrhagic episode in Chinese patients with haemorrhagic moyamoya disease. Revascularisation surgery can improve regional blood flow and have greater efficacy at preventing rebleeding than conservative treatment.
METHODS: 97 consecutive patients with haemorrhagic moyamoya disease from 1997 to 2009 were enrolled in this study (mean age 31±10 years; range 5-56 years). We reviewed the clinical charts and radiographs of patients at the first bleeding episode. Follow-up was obtained prospectively by questionnaires and radiographic examinations. Outcomes were compared based on initial treatment (conservative vs surgical).
RESULTS: After a median follow-up of 7.1 years, 21 of the 97 (21.7%) patients developed a second episode of bleeding, and six patients (6.2%) died of intracranial rebleeding. The median interval from initial episode to subsequent rebleeding was 9.1 years (0.1-23.2 years). 17 of 43 (37.1%) conservatively treated patients and four of 54 (7.4%) surgically treated patients experienced a rebleeding event (OR 8.1; 95% CI 2.4 to 26.8; p<0.001). There was a difference in the Kaplan-Meier curve of rebleeding between the two groups (Breslow test p=0.047; log rank test p=0.05). The rebleeding ratio in patients who underwent direct bypass was lower than that in patients treated with indirect bypass alone (0% vs 28.5%, 95% CI 1.0 to 1.9; p=0.002). No significant correlation was found between rebleeding and the patient's age, sex, location of haemorrhage, hypertension status or presence of cerebral aneurysm (p>0.05).
CONCLUSIONS: There is a high risk of rebleeding after the first haemorrhagic episode in Chinese patients with haemorrhagic moyamoya disease. Revascularisation surgery can improve regional blood flow and have greater efficacy at preventing rebleeding than conservative treatment.