Postoperative incidence of seizure and cerebral infarction in pediatric patients with epileptic type moyamoya disease: a meta-analysis of single rate

Liu, Jingjing; Xu, Qinlan; Niu, Hongchuan; Wang, Rong; Ye, Xun; Liu, Xianzeng

doi:10.1186/s41016-020-00224-y

Table 1 The details of the included studies

From: Postoperative incidence of seizure and cerebral infarction in pediatric patients with epileptic type moyamoya disease: a meta-analysis of single rate

n	Included studies	Age range (years)	Follow-up period(years)	Preoperative clinical manifestations (except seizure)	Interval between onset of clinical symptoms and surgery	Surgery modality
1	Sainte-Rose C, et al. (2006) [15]	3.5-16	2.1-5.6	Cerebral ischemia, headache	Unknown	Indirect (multiple bur hole)
2	Choi JI, et al. (2015) [2]	2-15	2-12	Cerebral ischemia	An average of 7.4 months	Indirect (EDAS)
3	Nakase H, et al. (1993) [6]	0.4-12	0.5-17.3	No description	Within 1 year to more than 3 years	Combined (STA-MCA + EMS)
4	Ulrich PT, et al. (2011) [16]	1-18	2-25	Ischemic stroke, mental retardation, headache	Unknown	Indirect, direct, or combined (EDAS, EMS, STA-MCA + EMS)
5	Caldarelli M, et al. (2001) [17]	0.6-9	1.2-19	Hemiparesis, psychomotor retardation, malformation, fever	2-20 months	Indirect (EMS)
6	Ma Y, et al. (2018) [18]	2-18	0.5-7.5	Cerebral ischemia or hemorrhage, perfusion impairment	0.7-113 months	Indirect, direct, or combined (EDAS, bypass, burr holes)
7	Yang H, et al. (2019) [19]	3.5-16	0.2-1.2	No description	Unknown	combined
n	Included studies	angiographic characteristics	Postoperative complications	Epileptic type MMD cases	Postoperative seizure cases	Postoperative ischemic event cases
1	Sainte-Rose C, et al. (2006) [15]	Suzuki stage 2-4	Subcutaneous effusions (1 case)	5	2	0
2	Choi JI, et al. (2015) [2]	Suzuki stage 2-3	No description	7	1	2
3	Nakase H, et al. (1993) [6]	Suzuki stage 1-6	No description	23	4	3
4	Ulrich PT, et al. (2011) [16]	Suzuki stage 2-3	No description	15	5	Unknown
5	Caldarelli M, et al. (2001) [17]	Stenosis or occlusion of monolateral or bilateral ICA, MCA, or ACA	Epidural bleeding (1 case)	5	3	0
6	Ma Y, et al. (2018) [18]	Suzuki stage: 1-5	No description	28	7	Unknown
7	Yang H, et al. (2019) [19]	Unknown	No description	9	1	Unknown

Abbreviations: EDAS encephaloduroarteriosynangiosis, EMS encephalomyosynangiosis, STA–MCA superficial temporal artery–middle cerebral artery, ICA internal carotid artery, MCA middle cerebral artery, ACA anterior cerebral artery, TIA transient ischemic attack
Suzuki stage [20]: stage 1 no abnormal findings can be observed except for carotid fork stenosis; stage 2 the stenosis has progressed at the carotid fork; the moyamoya vessels can be observed and all the main cerebral arteries are dilated; stage 3 the moyamoya vessels develop on the base of the brain and its constituent vessels are comparatively thick and rough with the anterior or middle cerebral arteries missing; stage 4 the moyamoya vessels become thin with the anterior and middle cerebral arteries missing; stage 5 the moyamoya vessels contract to the base of the brain and even the posterior cerebral arteries disappear; stage 6 the intracranial internal carotid artery is not visualized; the intracerebral vessels are perfused with blood from the external carotid artery and/or vertebral artery.

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ISSN: 2057-4967

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