journal
https://read.qxmd.com/read/36858635/evaluation-of-posterior-ligamentous-complex-injury-in-thoracolumbar-burst-fractures-correlation-analysis-of-ct-and-mri-findings
#1
JOURNAL ARTICLE
Satoshi Yoshikawa, Yusuke Nishimura, Yoshitaka Nagashima, Hiroshi Ito, Takahiro Oyama, Tomoya Nishii, Tomomi Gonda, Hiroshi Ryu, Kei Nomura, Masahito Hara, Masakazu Takayasu, Howard J Ginsberg, Tokumi Kanemura, Ryuta Saito
The goal of this study is to perform correlation analysis of Computed tomography (CT) and magnetic resonance imaging (MRI) results in posterior ligament complex (PLC) injury and define the morphological traits of thoracolumbar (TL) burst fractures connected to PLC injury. Forty patients with surgically repaired TL burst fractures between January 2013 and December 2020 were retrospectively analyzed. The patients were split into two groups for comparison based on MRI (Group P: patients with a confirmed or suspected PLC injury; Group N: patients with PLC injury denied)...
March 1, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36858634/impact-of-dynamic-change-of-meandering-of-parallel-artery-to-the-idiopathic-tarsal-tunnel-syndrome
#2
JOURNAL ARTICLE
Takato Tajiri, Kyongsong Kim, Toyohiko Isu, Fumiaki Fujihara, Takao Kitamura, Takeshi Takahashi, Takahito Suzuki, Masanori Isobe, Tooru Inoue
In idiopathic tarsal tunnel syndrome (TTS), walking seems to make symptoms worse. The findings imply that an ankle movement dynamic component may have an impact on the etiology of idiopathic TTS. We describe how the ankle movement affects the nerve compression caused by the surround tissue, particularly the posterior tibial artery. We enrolled 8 cases (15 sides) that had TTS surgery after tarsal tunnel (TT) MRI preoperatively. Dorsiflexion and plantar flexion were the two separate ankle positions used for the T2* fat suppression 3D and MR Angiography of TT...
March 1, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36858633/prediction-of-early-postoperative-language-function-by-quantitative-evaluation-with-visual-and-auditory-naming-tasks-during-awake-craniotomy-for-brain-tumor-resection-significance-of-auditory-naming-task
#3
JOURNAL ARTICLE
Kazuhiro Wakamatsu, Sumio Ishiai, Nobuko Aihara, Sho Kurokawa, Yusuke Kimura, Nobuhiro Mikuni
Language tasks for monitoring intraoperative language symptoms have not yet been established. This study aimed to examine whether the quantitative evaluation of language function with visual and auditory naming during awake craniotomy predicts early postoperative language function in patients. Thirty-seven patients with brain tumors in the language-dominant hemisphere were included. They underwent visual and auditory naming preoperatively and at the end of tumor resection for intraoperative evaluation. Using the Western Aphasia Battery, their overall language functions were evaluated preoperatively, early postoperatively (within 1 week), and late postoperatively (after 1 month)...
March 1, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36858632/cerebrospinal-fluid-production-and-absorption-and-ventricular-enlargement-mechanisms-in-hydrocephalus
#4
JOURNAL ARTICLE
Shigeki Yamada, Mitsuhito Mase
Cerebrospinal fluid (CSF) production and absorption concept significantly changed in the early 2010s from "third circulation theory" and "classical bulk flow theory" to a whole new one as follows: First, CSF is mainly produced from interstitial fluid excreted from the brain parenchyma, and CSF produced from the choroid plexus plays an important role in maintaining brain homeostasis. Second, CSF is not absorbed in the venous sinus via the arachnoid granules, but mainly in the dural lymphatic vessels. Finally, the ventricles and subarachnoid spaces have several compensatory direct CSF pathways at the borders attached to the choroid plexus, e...
March 1, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36754419/significant-correlation-between-structural-changes-in-the-net-like-appearance-on-postoperative-cranial-magnetic-resonance-images-and-hematoma-recurrence-in-cases-of-chronic-subdural-hematoma
#5
JOURNAL ARTICLE
Daigo Goto, Yuki Amano, Bunsho Asayama, Kenji Kamiyama, Toshiaki Osato, Hirohiko Nakamura
Organized hematoma, which exhibits a net-like appearance on imaging studies, is one of the predisposing factors for the recurrence of chronic subdural hematoma. Patients who are positive for the net-like appearance are often treated with only burr hole surgery. We investigated the relationship between postoperative structural changes in the net-like appearance and the recurrence rate of chronic subdural hematoma. Of the 949 patients with chronic subdural hematoma treated with primary burr hole surgery between January 2010 and April 2021 at our hospital, 268 who were considered positive for the net-like appearance on T2- and T2 star-weighted magnetic resonance images were extracted...
February 8, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36754418/usefulness-of-the-three-step-simple-binostril-approach-in-endoscopic-endonasal-transsphenoidal-surgery
#6
JOURNAL ARTICLE
Fumihiro Hiraoka, Shigetoshi Yano, Hiroya Morita, Kousei Maruyama, Kaisei Kamatani, Shin-Ichiro Yoshida, Yoshiaki Hama, Yu-Ichiro Ota, Hiroto Kawano, Hiroshi Aikawa, Yoshinori Go, Kiyoshi Kazekawa
We describe a three-step, simple binostril approach to endoscopic endonasal transsphenoidal surgery in cases of sellar/parasellar lesions. In the first step, the mucosa of the lower third of the ethmoid bulla on the outside was coagulated with monopolar microdissection needle and opened to create space on the outside of the middle turbinate. The middle turbinate was moved outward using this space, and the natural ostium of the sphenoid sinus could be confirmed easily. In the second step, a less than 10 mm incision was made from the right natural ostium of the sphenoid sinus to the right nasal septal mucosa...
February 8, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36682795/incidence-of-chronic-subdural-hematoma-after-mild-head-trauma-in-elderly-patients-with-or-without-pre-traumatic-conditioning-of-anti-thrombotic-drugs
#7
JOURNAL ARTICLE
Hiroshi Karibe, Ayumi Narisawa, Arata Nagai, Satoshi Yamanouchi, Motonobu Kameyama, Atsuhiro Nakagawa, Teiji Tominaga
Anti-thrombotic drugs may increase the risk for chronic subdural hematoma (CSDH). However, whether to continue or discontinue/counteract these drugs has not been investigated in patients with mild head trauma. CSDH incidence after mild head trauma, as well as the risk for CSDH in patients with anti-thrombotic drugs, were investigated in this study. The study included 765 consecutive elderly (>65 y.o.) patients with mild head trauma and an initial Glasgow Coma Scale (GCS) score of 14 or 15. All patients received initial CT within 24 hours after trauma and were re-examined 30 days after trauma to detect CSDH formation, repeating for every 30 days to examine symptomatic CSDH progression...
January 20, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36682794/surgical-strategy-for-hemispherotomy
#8
JOURNAL ARTICLE
Takeshi Matsuo, So Fujimoto
Hemispherotomy is a radical treatment for drug-resistant epilepsy that targets developmental, acquired, and progressive diseases with widespread epileptogenic regions in one cerebral hemisphere. Currently, two main approaches are utilized after repeated improvements: lateral and vertical approaches. With the lateral approach, the surgical field is wide, and the approach to the lateral ventricle is relatively easy. On the other hand, the vertical approach has the advantage of reducing intraoperative bleeding and operating time as the resection line of the radial fiber is short, and understanding the three-dimensional anatomy is relatively easy...
January 20, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36682793/augmented-reality-in-stereotactic-neurosurgery-current-status-and-issues
#9
JOURNAL ARTICLE
Makoto Satoh, Takeshi Nakajima, Eiju Watanabe, Kensuke Kawai
Stereotactic neurosurgery is an established technique, but it has several limitations. In frame-based stereotaxy using a stereotactic frame, frame setting errors may decrease the accuracy of the procedure. Frameless stereotaxy using neuronavigation requires surgeons to shift their view from the surgical field to the navigation display and to advance the needle while assuming a physically uncomfortable position. To overcome these limitations, several researchers have applied augmented reality in stereotactic neurosurgery...
January 20, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36682792/effective-mechanical-thrombectomy-for-posterior-circulation-ischemia-using-magnetic-resonance-imaging-based-arterial-structures
#10
JOURNAL ARTICLE
Motoaki Fujimoto, Shoichi Tani, Hideki Ogata, Kampei Shimizu, Shota Yoshida, Satoko Yamaguchi, Yoshihito Hirata, Yoshinori Akiyama
To improve the success of mechanical thrombectomy, three-dimensional turbo spin-echo (3D-TSE) sequences on T2WI can be employed to estimate the vascular structure of the posterior circulation. In addition to the short imaging time of 3D-TSE T2WI (33 sec), it can visualize the outer diameter of the main cerebral artery, including the occluded vessels. However, to date, the efficacy of mechanical thrombectomy in the posterior circulation remains unclear, and safer and more efficient mechanical thrombectomy procedures are required...
January 20, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36682791/patient-satisfaction-with-surgery-for-tarsal-and-carpal-tunnel-syndrome-comparative-study
#11
JOURNAL ARTICLE
Rinko Kokubo, Kyongsong Kim, Toyohiko Isu, Daijiro Morimoto, Akio Morita
We compared the treatment satisfaction of patients who had undergone surgery for tarsal tunnel syndrome (TTS) and carpal tunnel syndrome (CTS). We enrolled 44 patients in this study; 23 were operated for CTS and 21 for TTS. All patients had received surgery under a microscope and under local anesthesia. Using the numerical rating scale (NRS) for numbness/pain (range 0-10) we compared their preoperative outcome expectations with their satisfaction with our treatment 6 months after the operation. We also recorded their pre- and postoperative EuroQol 5-dimension 5-level (EQ-5D-5L) scale for their health-related quality of life (QOL)...
January 20, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36682790/usefulness-of-serum-soluble-interleukin-2-receptor-levels-for-differentiating-between-pcnsl-and-scnsl
#12
JOURNAL ARTICLE
Yuta Mitobe, Ken-Ichiro Matsuda, Yukihiko Sonoda
Serum soluble interleukin-2 receptor (sIL-2R) is a practical tumor marker that is elevated in hematogenous tumors. The purpose of this study was to determine the usefulness of serum sIL-2R for differentiating among malignant brain tumors, including primary central nervous system lymphoma (PCNSL) and secondary central nervous system lymphoma (SCNSL). This study retrospectively investigated the sIL-2R levels in 130 patients with various types of malignant brain tumors, including PCNSL patients (n = 48) and SCNSL (n = 8); metastatic brain tumors (MTs, n = 16); and glioblastoma (GBM, n = 58)...
January 20, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36599432/bold-s-signs-on-computed-tomography-angiography-are-sensitive-markers-for-diagnosing-subcortical-hemorrhage-due-to-dural-arteriovenous-fistulae-on-emergent-admission
#13
JOURNAL ARTICLE
Taku Ohkubo, Sosho Kajiwara, Yu Hasegawa, Aya Hashimoto, Yasuharu Takeuchi, Kimihiko Orito, Takayuki Kawano, Kana Fujimori, Kiyohiko Sakata, Masaru Hirohata, Motohiro Morioka
An optimal treatment strategy for subcortical hematomas caused by dural arteriovenous fistulae (dAVF) is important because of the high rebleeding rate. However, it is very difficult to diagnose that on admission. Therefore, an early sensitive predictive marker for subcortical hemorrhage caused by dAVF is necessary, especially during the first contact on admission. S-shaped dilated vessels around the hematoma (bold-S sign) on computed tomography angiography (CTA) performed during admission could be one such marker...
January 5, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36599431/the-influence-of-aneurysm-size-on-the-outcomes-of-endovascular-management-for-aneurysmal-subarachnoid-hemorrhages-a-comparison-of-the-treatment-results-of-patients-with-large-and-small-aneurysms
#14
JOURNAL ARTICLE
Takao Koiso, Yoji Komatsu, Daisuke Watanabe, Go Ikeda, Hisayuki Hosoo, Masayuki Sato, Yoshiro Ito, Tomoji Takigawa, Mikito Hayakawa, Aiki Marushima, Wataro Tsuruta, Noriyuki Kato, Kazuya Uemura, Kensuke Suzuki, Akio Hyodo, Eichi Ishikawa, Yuji Matsumaru
The influence of aneurysm size on the outcomes of endovascular management (EM) for aneurysmal subarachnoid hemorrhages (aSAH) is poorly understood. To evaluate the outcomes of EM for ruptured large cerebral aneurysms, we retrospectively analyzed the medical records of patients with aSAH that were treated with coiling between 2013 and 2020 and compared the differences in outcomes depending on aneurysm size. A total of 469 patients with aSAH were included; 73 patients had aneurysms measuring ≥10 mm in diameter (group L), and 396 had aneurysms measuring <10 mm in diameter (group S)...
January 5, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36599430/current-treatment-results-of-intracranial-carotid-artery-dissection-causing-cerebral-ischemia-a-japanese-nationwide-survey
#15
JOURNAL ARTICLE
Hiroaki Shimizu, Takahiro Ono, Takatsugu Abe, Masaaki Hokari, Yusuke Egashira, Koji Shimonaga, Masahiko Kawanishi, Kyoko Nomura, Yusuke Takahashi
Intracranial carotid artery dissection causing cerebral ischemia is a rare but important cause of cerebral infarction in children and adolescents. Although endovascular therapy has been reported to be effective, questions regarding the indications for intervention are yet to be addressed. Therefore, this study aimed to evaluate factors related to clinical outcomes through a nationwide survey. Overall, 35 neurosurgical centers reported patients within 2 weeks after ischemic onset due to intracranial carotid artery dissection causing cerebral ischemia treated between January 2015 and December 2020...
January 5, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36599429/mechanical-thrombectomy-for-acute-common-carotid-artery-occlusion
#16
JOURNAL ARTICLE
Minoru Ideguchi, Kyongsong Kim, Masanori Suzuki, Junya Kaneko, Shin Sato, Kazutaka Shirokane, Akio Morita
Mechanical thrombectomy (MT) is the standard treatment for acute large occlusion of the cerebral artery. Evidence for the success of this procedure was based on the treatment of patients with internal carotid artery and middle cerebral artery thrombi. There are a few reports on thrombi extending to the common carotid artery (CCA). We document our endovascular procedure and the clinical outcome in seven consecutive patients who underwent MT for CCA thrombi between September 2016 and April 2021. Their mean National Institutes of Health Stroke Scale score was 20...
January 5, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36928255/erratum
#17
JOURNAL ARTICLE
(no author information available yet)
No abstract text is available yet for this article.
2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36642502/usefulness-of-4k-resolution-indocyanine-green-endoscope-for-the-removal-of-spontaneous-intracerebral-hematomas
#18
JOURNAL ARTICLE
Yohei Nounaka, Shigeyuki Tahara, Kazuma Sasaki, Akio Morita
Indocyanine green (ICG) is a cyanine dye useful for visualizing blood vessels; it has been developed for endoscopy and is used in skull base surgery. Endoscopy is widely used for hematoma removal after an intracerebral hemorrhage since it is minimally invasive and has a shorter operation time than craniotomy. However, with this technique the surgical field is limited and it is difficult to obtain an adequate orientation; thus, it is challenging to locate the bleeding point, and postoperative rebleeding has been reported...
2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36543205/pipeline-flex-with-shield-technology-placement-for-small-and-medium-sized-aneurysms-achieves-early-complete-occlusion
#19
JOURNAL ARTICLE
Sho Arai, Takashi Fujii, Kohsuke Teranishi, Senshu Nonaka, Takayuki Kitamura, Yumiko Mitome-Mishima, Akihide Kondo, Hidenori Oishi
The flow diverter has been shown to be a safe and effective device for large cerebral aneurysms in the proximal internal carotid artery (ICA). Recently, its indication has been expanded to small- and medium-sized cerebral aneurysms in the distal segment of the ICA. In this study, we report a single-center, retrospective investigation of the safety and efficacy of the Pipeline Flex device to treat these aneurysms. Of the patients who underwent Pipeline implantation for small- and medium-sized ICA aneurysms (≤12 mm) at our hospital between July 2013 and October 2021, 102 patients with 104 aneurysms were included in this study...
December 20, 2022: Neurologia Medico-chirurgica
https://read.qxmd.com/read/36223950/neurointensive-care-of-traumatic-brain-injury-patients-based-on-coagulation-and-fibrinolytic-parameter-monitoring
#20
JOURNAL ARTICLE
Ryuta Nakae, Yasuo Murai, Yasuhiro Takayama, Kaoru Namatame, Yoshiyuki Matsumoto, Takahiro Kanaya, Yu Fujiki, Hidetaka Onda, Go Suzuki, Junya Kaneko, Takashi Araki, Yasutaka Naoe, Hidetaka Sato, Kyoko Unemoto, Akio Morita, Hiroyuki Yokota, Shoji Yokobori
Coagulopathy, a common complication of traumatic brain injury (TBI), is characterized by a hypercoagulable state developing immediately after injury, with hyperfibrinolysis and bleeding tendency peaking 3 h after injury, followed by fibrinolysis shutdown. Reflecting this timeframe, the coagulation factor fibrinogen is first consumed and then degraded after TBI, its concentration rapidly decreasing by 3 h post-TBI. The fibrinolytic marker D-dimer reaches its maximum concentration at the same time. Hyperfibrinolysis in the acute phase of TBI is associated with poor prognosis via hematoma expansion...
December 15, 2022: Neurologia Medico-chirurgica
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