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Source: Journal of Neurosurgery
Condition: Hemorrhagic Stroke

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Total 231 results found since Jan 2013.

Magnetic resonance susceptibility weighted imaging in neurosurgery: current applications and future perspectives.
Abstract Susceptibility weighted imaging (SWI) is a relatively new imaging technique. Its high sensitivity to hemorrhagic components and ability to depict microvasculature by means of susceptibility effects within the veins allow for the accurate detection, grading, and monitoring of brain tumors. This imaging modality can also detect changes in blood flow to monitor stroke recovery and reveal specific subtypes of vascular malformations. In addition, small punctate lesions can be demonstrated with SWI, suggesting diffuse axonal injury, and the location of these lesions can help predict neurological outcome in pati...
Source: Journal of Neurosurgery - July 24, 2015 Category: Neurosurgery Authors: Di Ieva A, Lam T, Alcaide-Leon P, Bharatha A, Montanera W, Cusimano MD Tags: J Neurosurg Source Type: research

The nondecussating pathway of the dentatorubrothalamic tract in humans: human connectome-based tractographic study and microdissection validation.
CONCLUSIONS The connections of the DN with the RN and thalamus are bilateral, not ipsilateral only. This affords a potential anatomical substrate for bilateral limb motor effects originating in a single cerebellar hemisphere under physiological conditions, and for bilateral limb motor impairment in hemispheric cerebellar lesions such as ischemic stroke and hemorrhage, and after resection of hemispheric tumors and arteriovenous malformations. Furthermore, when a lesion is located on the course of the dentatorubrothalamic system, a careful preoperative tractographic analysis of the relationship of the DRTT, nd-DRTT, and the ...
Source: Journal of Neurosurgery - October 9, 2015 Category: Neurosurgery Authors: Meola A, Comert A, Yeh FC, Sivakanthan S, Fernandez-Miranda JC Tags: J Neurosurg Source Type: research

Treatment of ruptured complex and large/giant ruptured cerebral aneurysms by acute coiling followed by staged flow diversion.
CONCLUSIONS Staged treatment of ruptured complex and giant intracranial aneurysms with coiling in the acute phase and flow-diverter treatment following recovery from SAH is both safe and effective. In this series, no cases of rebleeding occurred during the interval between coiling and flow diversion. This strategy should be considered as a valid option in patients presenting with these challenging ruptured aneurysms. PMID: 26654182 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - December 11, 2015 Category: Neurosurgery Authors: Brinjikji W, Piano M, Fang S, Pero G, Kallmes DF, Quilici L, Valvassori L, Lozupone E, Cloft HJ, Boccardi E, Lanzino G Tags: J Neurosurg Source Type: research

Cortical spreading depression occurs during elective neurosurgical procedures.
CONCLUSIONS CSD can occur during elective neurosurgical procedures even in brain regions distant from the immediate operative site. ECoG monitoring with a DC-coupled full-spectrum amplifier seemed to provide the most stable signal despite significant challenges to the operating room environment. CSD may be responsible for some cases of secondary surgical injury. Though further studies on outcome related to the occurrence of these events is needed, efforts to decrease the occurrence of CSD by modification of anesthetic regimen may represent a novel target for study to increase the safety of neurosurgical procedures. PM...
Source: Journal of Neurosurgery - March 11, 2016 Category: Neurosurgery Authors: Carlson AP, William Shuttleworth C, Mead B, Burlbaw B, Krasberg M, Yonas H Tags: J Neurosurg Source Type: research

Carotid artery stenosis with a high-intensity signal plaque on time-of-flight magnetic resonance angiography and association with evidence of intraplaque hypoxia.
CONCLUSIONS Plaques with high-intensity signals on TOF MRA were associated with IPH and evidence of intraplaque hypoxia. This fact may represent an opportunity to establish novel therapeutic agents targeting intraplaque hypoxia. PMID: 27367236 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - June 30, 2016 Category: Neurosurgery Authors: Ogata A, Kawashima M, Wakamiya T, Nishihara M, Masuoka J, Nakahara Y, Ebashi R, Inoue K, Takase Y, Irie H, Abe T Tags: J Neurosurg Source Type: research

Blunt cerebrovascular injuries in severe traumatic brain injury: incidence, risk factors, and evolution.
CONCLUSIONS Blunt cerebrovascular injuries are frequent after severe TBI (incidence 9.2%). The main risk factors are high-velocity lesions and injuries near cervical arteries. PMID: 27471889 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - July 28, 2016 Category: Neurosurgery Authors: Esnault P, Cardinale M, Boret H, D'Aranda E, Montcriol A, Bordes J, Prunet B, Joubert C, Dagain A, Goutorbe P, Kaiser E, Meaudre E Tags: J Neurosurg Source Type: research

Effects of distance and transport method on intervention and mortality in aneurysmal subarachnoid hemorrhage.
CONCLUSIONS Aneurysmal SAH remains a challenging neurosurgical disease process requiring highly coordinated care in tertiary referral centers. In this study, the overall distance traveled and the transport method affected patient outcomes. The time from admission to treatment should continue to improve. Further analysis of IHT with a focus on patient monitoring and treatment during transport is warranted. PMID: 28186453 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - February 9, 2017 Category: Neurosurgery Authors: Weyhenmeyer J, Guandique CF, Leibold A, Lehnert S, Parish J, Han W, Tuchek C, Pandya J, Leipzig T, Payner T, DeNardo A, Scott J, Cohen-Gadol AA Tags: J Neurosurg Source Type: research

Effect of treatment modality on in-hospital outcome in patients with subarachnoid hemorrhage: a nationwide study in Japan (J-ASPECT Study).
CONCLUSIONS Despite the increasing use of coiling, clipping remains the mainstay treatment for SAH. Regardless of CSC capabilities, clipping was associated with reduced in-hospital mortality, similar unfavorable functional outcomes and medical costs, and a longer hospital stay as compared with coiling in 2012 in Japan. Further study is required to determine the influence of unmeasured confounders. PMID: 28548595 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - May 26, 2017 Category: Neurosurgery Authors: Kurogi R, Kada A, Nishimura K, Kamitani S, Nishimura A, Sayama T, Nakagawara J, Toyoda K, Ogasawara K, Ono J, Shiokawa Y, Aruga T, Miyachi S, Nagata I, Matsuda S, Yoshimura S, Okuchi K, Suzuki A, Nakamura F, Onozuka D, Hagihara A, Iihara K, J-ASPECT Study 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

Rete middle cerebral artery anomalies: a unifying name, case series, and literature review.
CONCLUSIONS Clinicians should understand the radiological and clinical features of patients with rete MCA to avoid misdiagnosis and unnecessary treatment. This anomaly should be differentiated from other vascular diseases and patients presenting incidentally should be carefully monitored because of their vulnerability to both hemorrhagic and ischemic strokes. PMID: 30074465 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - August 3, 2018 Category: Neurosurgery Authors: Cho KC, Kim JJ, Jang CK, Hong CK, Joo JY, Kim YB 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

BIO alleviates inflammation through inhibition of GSK-3 β in a rat model of intracerebral hemorrhage.
CONCLUSIONS: BIO posttreatment inhibited microglia activation, prevented inflammation and hippocampal cell death, and ameliorated functional and morphological outcomes in a rat ICH model through inactivation of GSK-3β. PMID: 31226691 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - June 20, 2019 Category: Neurosurgery Authors: Zhao S, Liu Z, Yu Z, Wu X, Li R, Tang X Tags: J Neurosurg Source Type: research

Postoperative hemorrhage during the acute phase after direct or combined revascularization for moyamoya disease: risk factors, prognosis, and literature review.
CONCLUSIONS: Preoperative hypertension, CTP stage > III, and posterior circulation involvement are independent risk factors for postoperative ICH after direct or combined revascularization for MMD. After appropriate perioperative management, postoperative ICH has no significant correlations with the postoperative short-term and long-term neurofunctional status. PMID: 31628285 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - October 17, 2019 Category: Neurosurgery Authors: Chen Y, Ma L, Lu J, Chen X, Ye X, Zhang D, Zhang Y, Wang R, Zhao Y Tags: J Neurosurg Source Type: research

Soluble receptor for advanced glycation end products as a biomarker of symptomatic vasospasm in subarachnoid hemorrhage.
CONCLUSIONS: Plasma sRAGE levels can be used as a potential biomarker for predicting SVS after SAH. PMID: 31675694 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - October 31, 2019 Category: Neurosurgery Authors: Aida Y, Kamide T, Ishii H, Kitao Y, Uchiyama N, Nakada M, Hori O Tags: J Neurosurg Source Type: research

Pregnancy after direct cerebral bypass for moyamoya disease.
CONCLUSIONS: The authors present neurological and obstetric outcomes data in a large cohort of MMD patients. These data indicate that post-bypass pregnancy is accompanied by low complication rates. There were no ischemic or hemorrhagic strokes among post-bypass pregnant MMD patients. The rate of obstetric complications was low overall. The authors recommend close collaboration between the vascular neurosurgeon and the obstetrician regarding medical management, including blood pressure goals and continuation of low-dose aspirin. PMID: 31731267 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - November 14, 2019 Category: Neurosurgery Authors: Church EW, Qaiser R, Bell-Stephens TE, Bigder MG, Chow EK, Han SS, El-Sayed YY, Steinberg GK Tags: J Neurosurg Source Type: research