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Aneurysm location and clipping versus coiling for development of secondary normal-pressure hydrocephalus after aneurysmal subarachnoid hemorrhage: Japanese Stroke DataBank.
CONCLUSIONS Patients with low-grade SAH caused by a ruptured MCA aneurysm had a low risk for the development of sNPH. In contrast, patients with high-grade SAH caused by a ruptured ACA aneurysm had a higher risk for sNPH. Endovascular coiling might confer a lower risk of developing sNPH than microsurgical clipping. PMID: 26230474 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - July 31, 2015 Category: Neurosurgery Authors: Yamada S, Ishikawa M, Yamamoto K, Ino T, Kimura T, Kobayashi S, Japan Standard Stroke Registry Study Group Tags: J Neurosurg Source Type: research

Impact of temperature decline from the previous day as a trigger of spontaneous subarachnoid hemorrhage: case-crossover study of prefectural stroke database.
CONCLUSIONS: TDP, temperature decline from the highest of the previous day to the lowest of the day, was correlated with the incidence of spontaneous SAH, particularly in younger patients < 65 years old. PMID: 31277067 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - July 4, 2019 Category: Neurosurgery Authors: Fukuda H, Ninomiya H, Ueba Y, Ohta T, Kaneko T, Kadota T, Hamada F, Fukui N, Nonaka M, Watari Y, Nishimoto S, Fukuda M, Hayashi S, Izumidani T, Nishimura H, Moriki A, Lo B, Ueba T Tags: J Neurosurg Source Type: research

Effects of case volume and comprehensive stroke center capabilities on patient outcomes of clipping and coiling for subarachnoid hemorrhage.
CONCLUSIONS: The effects of case volume and CSC capabilities on in-hospital mortality and short-term functional outcomes in SAH patients differed between patients undergoing clipping and those undergoing coiling. In the modern endovascular era, better outcomes of clipping may be achieved in facilities with high CSC capabilities. PMID: 32168489 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - March 12, 2020 Category: Neurosurgery Authors: Kurogi R, Kada A, Ogasawara K, Kitazono T, Sakai N, Hashimoto Y, Shiokawa Y, Miyachi S, Matsumaru Y, Iwama T, Tominaga T, Onozuka D, Nishimura A, Arimura K, Kurogi A, Ren N, Hagihara A, Nakaoku Y, Arai H, Miyamoto S, Nishimura K, Iihara K Tags: J Neurosurg Source Type: research

Impact of cortical hemodynamic failure on both subsequent hemorrhagic stroke and effect of bypass surgery in hemorrhagic moyamoya disease: a supplementary analysis of the Japan Adult Moyamoya Trial.
CONCLUSIONS: Hemodynamic failure is an independent risk factor for subsequent hemorrhage in hemorrhagic moyamoya disease. Direct bypass surgery showed a significant preventive effect in the hemodynamically impaired hemispheres. Thus, hemodynamic failure, as well as previously proposed factors such as choroidal anastomosis, should be considered for the surgical indication in hemorrhagic moyamoya disease.Clinical trial registration no.: C000000166 (umin.ac.jp). PMID: 32168484 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - March 12, 2020 Category: Neurosurgery Authors: Takahashi JC, Funaki T, Houkin K, Kuroda S, Fujimura M, Tomata Y, Miyamoto S Tags: J Neurosurg Source Type: research

Effect of choice of treatment modality on the incidence of shunt-dependent hydrocephalus after aneurysmal subarachnoid hemorrhage.
CONCLUSIONS SDHC after aSAH occurred significantly more frequently in patients who underwent surgical clipping. Strategies for treatment of ruptured aneurysms should be used to mitigate SDHC and minimize poor outcomes. PMID: 29521594 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - March 9, 2018 Category: Neurosurgery Authors: Koyanagi M, Fukuda H, Saiki M, Tsuji Y, Lo B, Kawasaki T, Ioroi Y, Fukumitsu R, Ishibashi R, Oda M, Narumi O, Chin M, Yamagata S, Miyamoto S Tags: J Neurosurg Source Type: research

Effect of choroidal collateral vessels on de novo hemorrhage in moyamoya disease: analysis of nonhemorrhagic hemispheres in the Japan Adult Moyamoya Trial.
CONCLUSIONSThe present preliminary results suggest that the presence of choroidal collaterals affects the risk of de novo hemorrhage in the nonhemorrhagic hemisphere, subject to verification in larger studies. Further studies are needed to determine the optimal treatment strategy for nonhemorrhagic hemispheres and asymptomatic patients. PMID: 30738387 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - February 8, 2019 Category: Neurosurgery Authors: Funaki T, Takahashi JC, Houkin K, Kuroda S, Fujimura M, Tomata Y, Miyamoto S Tags: J Neurosurg Source Type: research