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Journal of Korean Neurosurgical Society

Ho Yong Choi, Seung-Jae Hyun, Ki-Jeong Kim, Tae-Ahn Jahng, Hyun-Jib Kim
Objective: The purpose of this study was to determine the efficacy of intra-operative cell salvage system (ICS) to decrease the need for allogeneic transfusions in patients undergoing major spinal deformity surgeries. Methods: A total of 113 consecutive patients undergoing long level posterior spinal segmental instrumented fusion (≥5 levels) for spinal deformity correction were enrolled. Data including the osteotomy status, the number of fused segments, estimated blood loss, intra-operative transfusion amount by ICS (Cell Saver®, Haemonetics©, Baltimore, MA, USA) or allogeneic blood, postoperative transfusion amount, and operative time were collected and analyzed...
November 30, 2018: Journal of Korean Neurosurgical Society
Hyosang Lee, Ui Chul Kim, Jae Keun Oh, Taehyun Kim, Sohee Park, Yoon Ha
Objective: This study is a retrospective cost-benefit analysis of cervical anterior interbody fusion and cervical artificial disc replacement, which are the main surgical methods to treat degenerative cervical disc disease. Methods: We analyzed 156 patients who underwent anterior cervical disc fusion and cervical artificial disc replacement from January 1, 2008 to December 31, 2009, diagnosed with degenerative cervical disc disorder. In this study, the costs and benefits were analyzed by using quality adjusted life year (QALY) as the outcome index for patients undergoing surgery, and a Markov model was used for the analysis...
November 30, 2018: Journal of Korean Neurosurgical Society
Kyeong-Seok Lee
Treatment of chronic subdural hematoma (CSDH) is relatively straightforward, however, there is still some debate regarding the best strategy for treatment. The most practical recommendations of up to date were identified by a review of literature. The author reviewed the literature on CSDH management from the past to now to identify the best methods. Till 1970s, craniotomy was the most commonly used method. Burr hole (BH) became the most preferred method from 1980s. In 1977, twist drill (TD) craniostomy was introduced...
November 30, 2018: Journal of Korean Neurosurgical Society
Junhyung Kim, Seon Jin Yoon, Ju Hyung Moon, Cheol Ryong Ku, Se Hoon Kim, Eun Jig Lee, Sun Ho Kim, Eui Hyun Kim
OBJECTIVE: Silent corticotroph adenomas (SCA) are endocrine-inactive pituitary adenomas with positive immunohistochemistry staining for adrenocorticotropic hormone (ACTH). We investigated whether SCA-associated clinical profiles were more aggressive than hormonally negative adenomas (HNA). METHODS: Among 627 patients with pathologically proven endocrine-inactive pituitary adenomas between 2004 and 2013, positive immunohistochemistry revealed 55 SCAs and 411 HNAs...
January 2019: Journal of Korean Neurosurgical Society
Sung-Lim Yoo, Young-Hoon Kim, Hyung-Youl Park, Sang-Il Kim, Kee-Yong Ha, Hyung-Ki Min, Jun-Yeong Seo, In-Soo Oh, Dong-Gune Chang, Joo-Hyun Ahn, Yong-Woo Kim
OBJECTIVE: The efficacy of preoperative embolization for hypervascular metastatic spine disease (MSD) such as renal cell and thyroid cancers has been reported. However, the debate on the efficacy of preoperative embolization for non-hypervascular MSD still remains unsettled. The purpose of this study is to determine whether preoperative embolization for non-hypervascular MSD decreases perioperative blood loss. METHODS: A total of 79 patients (36 cases of preoperative embolization and 43 cases of non-embolization) who underwent surgery for metastatic spine lesions were included...
January 2019: Journal of Korean Neurosurgical Society
Se-Hyuck Park
OBJECTIVE: Anomalous muscles of the wrist are infrequently encountered during carpal tunnel surgery. Anatomic variants of the palmaris longus (PL), flexor digitorum superficialis, lumbricalis and abductor digiti minimi (ADM) have been reported but are usually clinically insignificant. Anomalies of the wrist muscles, encountered during endoscopic carpal tunnel surgery have rarely been described. I conducted this study to evaluate muscular anomalies of the volar aspect of the wrist, encountered during endoscopic carpal tunnel surgery...
January 2019: Journal of Korean Neurosurgical Society
Jin Yong Lee, Nam Gu Lim, Chun Kee Chung, Jee-Young Lee, Hyun Joo Kim, Sung Bae Park
OBJECTIVE: To determine the prevalence of osteoporosis (OP) and osteoporotic vertebral fracture (OVF) in people with Parkinson's disease (PD) in Korea and its association with socioeconomic status. METHODS: Using Health Insurance Review and Assessment Service-National Inpatient Sample (HIRA-NIS) data from 2009 to 2013, we estimated the annual prevalence of PD, OP, and OVF and investigated its association with socioeconomic status using data from National Health Insurance (NHI) beneficiaries and Medical Aid (MA) recipients...
January 2019: Journal of Korean Neurosurgical Society
Hong Jun Jeon, Jong Young Lee, Byung-Moon Cho, Dae Young Yoon, Sae-Moon Oh
OBJECTIVE: To describe our experiences with a fully equipped high-end digital subtraction angiography (DSA) system within a hybrid operating room (OR). METHODS: A single-plane DSA system with 3-dimensional rotational angiography, cone-beam computed tomography (CBCT), and real-time navigation software was used in our hybrid OR. Between April 2014 and January 2018, 191 sessions of cerebrovascular procedures were performed in our hybrid OR. After the retrospective review of all cases, the procedures were categorized into three subcategorical procedures : combined endovascular and surgical procedure, complementary rescue procedure during intervention and surgery, and frameless stereotaxic operation...
January 2019: Journal of Korean Neurosurgical Society
Han Yong Heo, Jae Guen Ahn, Cheol Ji, Won Ki Yoon
OBJECTIVE: Stent-assisted coil embolization of intracranial wide-necked aneurysm requires long-term postoperative antiplatelet therapy to prevent in-stent thrombosis. This study aimed to demonstrate results of temporary stent placement for coiling wide necked small intracranial aneurysms, which eliminated need for antiplatelet agents, and to discuss its feasibility and safety. METHODS: Data of 156 patients who underwent stent-assisted coil embolization between 2011 and 2014 were retrospectively analyzed...
January 2019: Journal of Korean Neurosurgical Society
Eun Jung Lee, Anton Fomenko, Andres M Lozano
Magnetic resonance-guided focused ultrasound (MRgFUS) is an emerging new technology with considerable potential to treat various neurological diseases. With refinement of ultrasound transducer technology and integration with magnetic resonance imaging guidance, transcranial sonication of precise cerebral targets has become a therapeutic option. Intensity is a key determinant of ultrasound effects. High-intensity focused ultrasound can produce targeted lesions via thermal ablation of tissue. MRgFUS-mediated stereotactic ablation is non-invasive, incision-free, and confers immediate therapeutic effects...
January 2019: Journal of Korean Neurosurgical Society
Ho Jun Yi, Gyojun Hwang, Byoung Hun Lee
As more intracranial aneurysms and other cerebrovascular pathologies are treated with neurointervention procedure, thromboembolic events that frequently lead to serious neurological deficit or fatal outcomes are increasing. In order to prevent the thromboembolic events, antiplatelet therapy is used in most procedures including coil embolization, stenting, and flow diversion. However, because of variable individual pharmacodynamics responses to antiplatelet drugs, especially clopidogrel, it is difficult for clinicians to select the adequate antiplatelet regimen and its optimal dose...
January 2019: Journal of Korean Neurosurgical Society
Moonyoung Chung, Bum-Tae Kim
No abstract text is available yet for this article.
January 2019: Journal of Korean Neurosurgical Society
Ihab Zidan, Wael Khedr, Ahmed Abdelaziz Fayed, Ahmed Farhoud
OBJECTIVE: Corpectomy of the first lumbar vertebra (L1) for the management of different L1 pathologies can be performed using either an anterior or posterior approach. The aim of this study was to evaluate the usefulness of a retroperitoneal extrapleural approach through the twelfth rib for performing L1 corpectomy. METHODS: Thirty consecutive patients underwent L1 corpectomy between 2010 and 2016. The retroperitoneal extrapleural approach through the 12th rib was used in all cases to perform single-stage anterior L1 corpectomy, reconstruction and anterior instrumentation, except for in two recurrent cases in which posterior fixation was added...
January 2019: Journal of Korean Neurosurgical Society
Miki Fujimura, Teiji Tominaga
Moyamoya disease (MMD) is a progressive cerebrovascular disease with unknown etiology, characterized by bilateral stenoocclusive changes at the terminal portion of the internal carotid artery and an abnormal vascular network formation at the base of the brain. MMD has an intrinsic nature to convert the vascular supply for the brain from internal carotid (IC) system to the external carotid (EC) system, as indicated by Suzuki's angiographic staging. Insufficiency of this 'IC-EC conversion system' could result not only in cerebral ischemia, but also in intracranial hemorrhage from inadequate collateral anastomosis, both of which represent the clinical manifestation of MMD...
November 15, 2018: Journal of Korean Neurosurgical Society
Rodrigo Carrasco-Moro, Inés Castro-Dufourny, Ruth Prieto, José M Pascual
No abstract text is available yet for this article.
November 2018: Journal of Korean Neurosurgical Society
June Ho Choi, Jung-Ki Ha, Chung Hwan Kim, Jin Hoon Park
Three male patients diagnosed with surfer's myelopathy (19-30 years) were admitted to our hospital. All three patients were novice surfers showing a typical clinical course of rapid progression of paraplegia following the onset of back pain. Typical history and magnetic resonance imaging features indicated the diagnosis of surfer's myelopathy. Two patients received high-dose steroid therapy and the other was treated with induced hypertension. One patient treated with induced hypertension showed almost full recovery; however, two patients who received high-dose steroid therapy remained completely paraplegic and required catheterization for bladder and bowel dysfunction despite months of rehabilitation...
November 2018: Journal of Korean Neurosurgical Society
Kyoung Jun Yoon, Byungchul Cho, Jung Won Kwak, Doheui Lee, Do Hoon Kwon, Seung Do Ahn, Sang-Wook Lee, Chang Jin Kim, Sung Woo Roh, Young Hyun Cho
OBJECTIVE: We investigated the effect of optimization in dose-limiting shell method on the dosimetric quality of CyberKnife (CK) plans in treating brain metastases (BMs). METHODS: We selected 19 BMs previously treated using CK between 2014 and 2015. The original CK plans (CKoriginal) had been produced using 1 to 3 dose-limiting shells : one at the prescription isodose level (PIDL) for dose conformity and the others at lowisodose levels (10-30% of prescription dose) for dose spillage...
November 2018: Journal of Korean Neurosurgical Society
Jun-Ki Kim, Sang-Bok Lee, Seo-Yeon Yang
OBJECTIVE: The purpose of this study was to compare the cosmetic outcome and complications after cranioplasty (CP) due to three different implant materials, and analyze the mean implant survival and cumulative survival rate based on these results. METHODS: We reviewed 108 patients retrospectively who underwent CP between January 2014 and November 2016. Autologous bone (AB; 45 patients) and synthetic materials with porous polyethylene (PP; 32 patients) and custom-made 3-dimensional printed titanium mesh (CT; 31 patients) were used as implants...
November 2018: Journal of Korean Neurosurgical Society
Kiyasettin Asil, Mahizer Yaldiz
OBJECTIVE: Ultrasonography (US) is the most non-invasive, safe, and, especially in the period of infancy, best method for visualizing and examining the spinal cord. Furthermore, US is the primary work-up for development of the spinal canal, and for follow-up on issues relating to subcutaneous tissues, bone development, and the spinal cord. Conus medullaris terminates at the second lumbar vertebra, according to a consensus in the literature. METHODS: Healthy children under the age of 6 months who were admitted to the radiology clinic for routine USG follow-ups between the dates of March 2012 to December 2014 were included in this study...
November 2018: Journal of Korean Neurosurgical Society
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