journal
https://read.qxmd.com/read/37743509/characteristics-of-changes-in-intrathecal-baclofen-dosage-over-time-due-to-causative-disease
#1
JOURNAL ARTICLE
Yuki Kimoto, Satoru Oshino, Naoki Tani, Koichi Hosomi, Hui Ming Khoo, Yuya Fujita, Shimpei Miura, Takamitsu Iwata, Takuto Emura, Takahiro Matsuhashi, Yuji Onoda, Takamasa Ishiuchi, Takufumi Yanagisawa, Masayuki Hirata, Haruhiko Kishima
Intrathecal baclofen (ITB) therapy effectively treats spasticity caused by brain or spinal cord lesions. However, only a few studies compare the course of treatment for different diseases. We investigated the change in daily dose of baclofen per year and its associated adverse events in patients presenting with the three most common etiologies at our institute: hereditary spastic paraplegia, cerebral palsy, and spinal cord injury. The ITB pumps were implanted from July 2007 to August 2019, with a mean follow-up period of 70 months...
September 23, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37743508/evaluation-of-venous-structures-that-are-involved-in-transsylvian-approach-using-3d-rotational-venography
#2
JOURNAL ARTICLE
Yoshiro Ito, Hisayuki Hosoo, Masayuki Sato, Aiki Marushima, Mikito Hayakawa, Yuji Matsumaru, Eiichi Ishikawa
In the transsylvian (TS) approach, as characterized by clipping surgery, the presurgical visualization of the superficial middle cerebral vein (SMCV) can help change the surgical approach to ensure safe microsurgery. Nevertheless, identifying preoperatively the venous structures that are involved in this approach is difficult. In this study, we investigated the venous structures that are involved in the TS approach using three-dimensional (3D) rotational venography (3D-RV) and evaluated the effectiveness of this method for presurgical simulation...
September 23, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37743507/long-term-patency-of-retrograde-bypass-using-a-distal-stump-of-the-parietal-superficial-temporal-artery-for-moyamoya-disease
#3
JOURNAL ARTICLE
Takeshi Shimizu, Shingo Toyota, Motohide Takahara, Kazuhiro Touhara, Tatsuya Hagioka, Yuhei Hoshikuma, Takamune Achiha, Tomoaki Murakami, Maki Kobayashi, Haruhiko Kishima
There have been a number of anastomosis methods of bypass techniques reported for moyamoya disease. However, there are yet no randomized controlled trials conducted on the anastomosis method. Retrograde blood flow of the superficial temporal artery (STA) may be used as one of the donor options. Here, we examined the tolerability of retrograde bypass using a distal stump of the parietal STA (dsPSTA). Anastomosis between the dsPSTA and middle cerebral artery (MCA) was performed for consecutive patients with moyamoya disease whose parietal STA was visualized to be longer than 10 cm using contrast-enhanced computed tomography preoperatively...
September 23, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37743506/six-month-outcomes-after-pulserider-and-conventional-single-stent-assisted-embolization-for-bifurcation-aneurysms-a-propensity-adjusted-comparison
#4
JOURNAL ARTICLE
Shunsuke Omodaka, Yasushi Matsumoto, Takeshi Fujimori, Hiroyuki Sakata, Kenichi Sato, Kuniyasu Niizuma, Hidenori Endo, Teiji Tominaga
Endovascular treatment of wide-necked bifurcation aneurysms (WNBAs) remains challenging despite using a stent. PulseRider is a novel device specifically designed to treat WNBAs, protecting both daughter branches, but the outcomes have not been compared with conventional single stent-assisted embolization. This study aimed to compare the six-month outcomes of PulseRider and single stent-assisted embolization for intracranial unruptured WNBAs using propensity score adjustment. Between February 2012 and October 2021, 46 unruptured WNBAs (34 basilar and 12 middle cerebral arteries) smaller than 10 mm in diameter were treated with PulseRider-assisted embolization (n = 17) or single stent-assisted embolization (n = 29)...
September 23, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37648539/role-of-magnetic-resonance-imaging-in-the-screening-of-closed-spinal-dysraphism
#5
JOURNAL ARTICLE
Hidekazu Aoki, Shunji Mugikura, Reizo Shirane, Toshiaki Hayashi, Tomomi Kimiwada, Kiyohide Sakai, Keiko Ainoya, Hideki Ota, Kei Takase, Yoshihisa Shimanuki
Closed spinal dysraphism (CSD) encompasses a heterogeneous group of spinal cord deformities, which can be accompanied by several types of skin stigmata. These skin stigmata may include inconspicuous features, such as sacral dimples and deformed gluteal clefts, but the association between such mild skin stigmata and CSD is uncertain. This study aimed to reevaluate the indication for magnetic resonance imaging (MRI) in patients with skin stigmata while considering the indication for surgery. A retrospective analysis was conducted on magnetic resonance images of 1255 asymptomatic children with skin stigmata between 2003 and 2015...
August 30, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37648538/incidence-and-outcomes-of-aneurysmal-subarachnoid-hemorrhage-a-multicenter-retrospective-registry-based-descriptive-trial-in-kobe-city
#6
JOURNAL ARTICLE
Tsuyoshi Ohta, Shirabe Matsumoto, Ryu Fukumitsu, Hirotoshi Imamura, Hidemitsu Adachi, Yoshie Hara, Kohkichi Hosoda, Hidehito Kimura, Kazuyuki Kuwayama, Takashi Mizowaki, Yasuhiko Motooka, Shiro Miyata, Narihide Shinoda, Yasushi Ueno, Ikuya Yamaura, Yasuhisa Yoshida, Chiaki Sakai, Nobuyuki Sakai
The current study aims to evaluate the incidence and results of aneurysmal subarachnoid hemorrhage (aSAH) throughout Kobe City. Based on a multicenter retrospective registry-based descriptive trial involving all 13 primary stroke centers in Kobe City, patients with aSAH treated between October 2017 and September 2019 were studied. A total of 334 patients were included, with an estimated age-adjusted incidence of 11.12 per 100,000 person-years. Curative treatment was given to 94% of patients, with endovascular treatment (51%) preferred over surgical treatment (43%)...
August 30, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37648537/continuous-monitoring-of-changes-in-heart-rate-during-the-periprocedural-course-of-carotid-artery-stenting-using-a-wearable-device-a-prospective-observational-study
#7
JOURNAL ARTICLE
Kentaro Hirai, Yasunori Fujimoto, Yohei Bamba, Yu Kageyama, Hiroyuki Ima, Ayaka Ichise, Hanako Sasaki, Ryota Nakagawa
This prospective observational study will evaluate the change in heart rate (HR) during the periprocedural course of carotid artery stenting (CAS) via continuous monitoring using a wearable device. The participants were recruited from our outpatient clinic between April 2020 and March 2023. They were instructed to continuously wear the device from the last outpatient visit before admission to the first outpatient visit after discharge. The changes in HR of interest throughout the periprocedural course of CAS were assessed...
August 30, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37648536/possible-delayed-foreign-body-reactions-against-titanium-clips-and-coating-materials-after-unruptured-cerebral-aneurysm-surgery
#8
JOURNAL ARTICLE
Ryota Tatezawa, Taku Sugiyama, Shuho Gotoh, Takafumi Shindo, Hiroshi Ikeda, Masaaki Hokari, Katsumi Takizawa, Naoki Nakayama, Miki Fujimura
Delayed foreign body reactions to either or both clipping and coating materials have been reported in several small series; however, studies in the titanium clip era are scarce. This study aims to survey the contemporary status of such reactions to titanium clips and coating materials. Among patients who received a total of 2327 unruptured cerebral aneurysmal surgeries, 12 developed delayed intraparenchymal reactions during outpatient magnetic resonance imaging (MRI) follow-up. A retrospective investigation was conducted...
August 30, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37612121/aneurysmal-inflow-rate-coefficient-predicts-ultra-early-rebleeding-in-ruptured-intracranial-aneurysms-preliminary-report-of-a-computational-fluid-dynamics-study
#9
JOURNAL ARTICLE
Hiroki Uchikawa, Taichi Kin, Satoshi Koizumi, Katsuya Sato, Tatsuya Uchida, Yasuhiro Takeda, Tsukasa Koike, Satoshi Kiyofuji, Shigeo Yamashiro, Akitake Mukasa, Nobuhito Saito
Rebleeding from a ruptured intracranial aneurysm has poor outcomes. Although numerous factors are associated with rebleeding, studies on computational fluid dynamics (CFD) on hemodynamic parameters associated with early rebleeding are scarce. In particular, no report of rebleeding in ultra-early phase exists. We aimed to elucidate the specific hemodynamic parameters associated with ultra-early rebleeding using CFD. In this study, the rebleeding group included patients with aneurysmal subarachnoid hemorrhage (aSAH) that rebled within 6 h from the onset...
August 23, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37612120/chronological-change-of-the-clinical-features-and-treatment-outcomes-for-subarachnoid-hemorrhage-in-japan-a-multicenter-retrospective-study
#10
JOURNAL ARTICLE
Hiroaki Murayama, Kazuya Kanemaru, Hideyuki Yoshioka, Akira Fukamachi, Tsuneo Shimizu, Tomohiro Omata, Isao Fukasawa, Mitsuyasu Nagasaka, Shin Nakano, Yasuhiro Asari, Hiroyuki Kinouchi
Aneurysmal subarachnoid hemorrhage (SAH) treatment has progressed, and patients are rapidly aging in Japan. Consequently, dynamic changes must have emerged in the clinical practice of SAH. This study aimed to elucidate chronological changes of aneurysmal SAH and the prognostic factors in the previous quarter century in Japan. We conducted a retrospective survey regarding aneurysmal SAH in eight institutions in Japan. The study included 848, 863, and 781 patients in the first (1989-1993), second (1999-2003), and third (2009-2013) periods, respectively...
August 23, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37612119/-dual-internal-shunts-technique-for-carotid-endarterectomy-with-carotid-vertebral-anastomosis-technical-note
#11
JOURNAL ARTICLE
Hirokazu Nagasaki, Michihisa Narikiyo, So Ohashi, Hidenori Matsuoka, Yoshifumi Tsuboi
In revascularization of internal carotid stenosis with carotid vertebrobasilar anastomoses, attention should be paid not only to the anterior circulation but also to the posterior circulation cerebral infarction. A 74-year-old man was referred for treatment of carotid artery stenosis; NASCET 75% stenosis in the right internal carotid artery and acute cerebral infarction were confirmed. Occlusion of the left subclavian artery and vascular anastomosis between the right external carotid artery and the vertebral artery were indicated, such that the right external carotid artery may maintain blood flow to the vertebrobasilar artery...
August 23, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37495522/modified-unilateral-approach-for-ventrally-located-spinal-tumors
#12
JOURNAL ARTICLE
Han Soo Chang, Fumiya Sano, Takatoshi Sorimachi
Surgery on spinal tumors becomes challenging when the tumor is ventral to the spinal cord. Conventionally, we approach it posteriorly through bilateral laminectomy and rotate the cord after sectioning the dentate ligament and nerve roots. However, manipulating the cord can be hazardous, and a long bilateral laminectomy can be invasive. Meanwhile, a narrow operative field and a limited lateral viewing angle in a unilateral approach constrained the surgeon. To overcome these problems, we previously reported a technique of modified unilateral approach where we incised the skin and the fascia horizontally and placed a pair of retractors longitudinally...
July 25, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37495521/objectively-captured-changes-in-trigeminal-fibers-before-and-after-microvascular-decompression-using-3d-t2-space-mri-might-relate-to-eventual-residual-symptoms
#13
JOURNAL ARTICLE
Yuki Amano, Bunsho Asayama, Shusaku Noro, Masahiro Okuma, Kaori Honjo, Yoshinobu Seo, Hirohiko Nakamura
Although microvascular decompression (MVD) is a reliable treatment for trigeminal neuralgia (TN), neurosurgeons sometimes encounter patients whose symptoms do not improve postoperatively or who experience good treatment efficacy but develop other sensory disturbances. This study aims to objectively identify changes in nerve fibers before and after surgery by MRI and to clarify the relationship between the changes and residual postoperative symptoms. We retrospectively analyzed data from 36 consecutive patients who underwent MVD for classical TN at our hospital between November 2019 and November 2020...
July 25, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37495520/association-between-carotid-bifurcation-angle-and-vulnerable-plaque-volume-using-black-blood-magnetic-resonance-imaging
#14
JOURNAL ARTICLE
Hiroki Takai, Shunji Matsubara, Yukari Minami-Ogawa, Satoshi Hirai, Eiji Shikata, Kenji Yagi, Naoki Oyama, Yoshiki Yagita, Masaaki Uno
The morphology of the internal carotid artery (ICA) bifurcation is increasingly being recognized as the cause of atherosclerosis and vulnerable plaque leading to cerebral infarction. In this study, we investigated the relationship between carotid bifurcation angle and carotid plaque volume evaluated using black blood magnetic resonance imaging (BB-MRI). Among the 90 patients who underwent revascularization for atherosclerotic symptomatic carotid stenosis between April 2016 and October 2022 using BB-MRI, carotid plaque was evaluated in 57 patients...
July 25, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37495519/academic-activities-of-female-neurosurgeons-in-all-branch-meetings-of-the-japan-neurosurgical-society
#15
JOURNAL ARTICLE
Nobuo Sugo, Sayaka Terazono, Chie Matsuura, Yutaka Fuchinoue, Yuki Sakaeyama, Mitsuyoshi Abe, Masataka Mikai, Syuhei Kubota, Kosuke Kondo, Shoko Shimokawa, Taketoshi Maehara, Hiroyoshi Akutsu, Fusao Ikawa, Yukiko Enomoto, Kazuko Kamiya, Satoshi Kuroda, Hideo Takeshima, Noriko Tamura, Tomohito Hishikawa, Masazumi Fujii, Takamitsu Fujimaki, Tetsuyoshi Horiuchi, Junkoh Yamamoto, Tetsuya Yamamoto, Yoko Kato
This study aims to evaluate the academic activities of female neurosurgeons at all branch meetings of the Japan Neurosurgical Society and identify related issues they encountered. The programs of all seven branch meetings of the Japan Neurosurgical Society (Hokkaido, Tohoku, Kanto, Chubu, Kinki, Chugoku/Shikoku, and Kyushu) were used to determine the number of presentations and chairpersons by sex. The covered period was from January 2008 to December 2020, which was available for viewing during the survey. Of note, only the Kinki branch used data from January 2008 to December 2019...
July 25, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37423756/visual-outcomes-and-surgical-approach-selection-focusing-on-active-optic-canal-decompression-and-maximum-safe-resection-for-suprasellar-meningiomas
#16
JOURNAL ARTICLE
Kiyohiko Sakata, Satoru Komaki, Nobuyuki Takeshige, Tetsuya Negoto, Jin Kikuchi, Sosho Kajiwara, Kimihiko Orito, Hideo Nakamura, Masaru Hirohata, Motohiro Morioka
The goal of treating patients with suprasellar meningioma is improving or preserving visual function while achieving long-term tumor control. We retrospectively examined patient and tumor characteristics and surgical and visual outcomes in 30 patients with a suprasellar meningioma who underwent resection via an endoscopic endonasal (15 patients), sub-frontal (8 patients), or anterior interhemispheric (7 patients) approach. Approach selection was based on the presence of optic canal invasion, vascular encasement, and tumor extension...
July 10, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37423755/supramaximal-resection-can-prolong-the-survival-of-patients-with-cortical-glioblastoma-a-volumetric-study
#17
JOURNAL ARTICLE
Ryosuke Otsuji, Nobuhiro Hata, Yusuke Funakoshi, Daisuke Kuga, Osamu Togao, Ryusuke Hatae, Yuhei Sangatsuda, Yutaka Fujioka, Kosuke Takigawa, Aki Sako, Kazufumi Kikuchi, Tadamasa Yoshitake, Hidetaka Yamamoto, Masahiro Mizoguchi, Koji Yoshimoto
We aimed to retrospectively determine the resection rate of fluid-attenuated inversion recovery (FLAIR) lesions to evaluate the clinical effects of supramaximal resection (SMR) on the survival of patients with glioblastoma (GBM). Thirty-three adults with newly diagnosed GBM who underwent gross total tumor resection were enrolled. The tumors were classified into cortical and deep-seated groups according to their contact with the cortical gray matter. Pre- and postoperative FLAIR and gadolinium-enhanced T1-weighted imaging tumor volumes were measured using a three-dimensional imaging volume analyzer, and the resection rate was calculated...
July 10, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37423754/lumboperitoneal-shunt-surgery-under-spinal-anesthesia-on-idiopathic-normal-pressure-hydrocephalus-patients
#18
JOURNAL ARTICLE
Yukihiro Goto, Takuro Inoue, Satoshi Shitara, Hideki Oka, Shinji Nozuchi
Since the publication of guidelines for managing idiopathic normal pressure hydrocephalus (iNPH) in 2004, an increasing number of patients with iNPH have been undergoing shunt surgery in Japan. However, shunt surgeries for iNPH can be challenging because the procedures are performed on elderly patients. General anesthesia-related risks, such as postoperative pneumonia or delirium, are higher in the elderly. To decrease these risks, we applied spinal anesthesia on a lumboperitoneal shunt (LPS). Herein, we analyzed our methods focusing on the postoperative outcomes...
July 10, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37423753/dual-floor-burr-hole-technique-optimized-for-modern-burr-hole-caps-with-an-internal-electrode-locking-mechanism
#19
JOURNAL ARTICLE
Makoto Satoh, Takeshi Nakajima, Keisuke Ohtani, Takehiko Konno, Masayuki Tetsuka, Kensuke Kawai
Insertion of a deep brain stimulating electrode is a commonly performed procedure. Burr hole caps play an important role in this procedure by immobilizing this electrode; however, burr hole caps could form scalp bumps, which can create further complications. The dual-floor burr hole technique could prevent the formation of scalp bumps. This technique has previously been used with older versions of burr hole caps and has proved to be successful. In recent years, modern burr hole caps with an internal electrode locking mechanism have become the mainstay for this procedure...
July 10, 2023: Neurologia Medico-chirurgica
https://read.qxmd.com/read/37423752/comparison-of-the-outcomes-of-microendoscopic-cervical-foraminotomy-versus-full-endoscopic-cervical-foraminotomy-for-the-treatment-of-cervical-radiculopathy
#20
JOURNAL ARTICLE
Blumstein Gideon, Kento Takebayashi, Takahiro Inui, Yasushi Oshima, Hiroki Iwai, Hirohiko Inanami, Hisashi Koga
This study aimed to compare the outcomes of microendoscopic cervical foraminotomy (MECF) versus full-endoscopic cervical foraminotomy (FECF) for treating cervical radiculopathy (CR).A retrospective study was performed on patients with CR treated using MECF (n = 35) or FECF (n = 89). A 16-mm tubular retractor and endoscope was used for MECF, while a 4.1-mm working channel endoscope was used for FECF. Patient background and operative data were collected. The numerical rating scale (NRS) and the Neck Disability Index scores were recorded preoperatively and at 1 year postoperatively...
July 10, 2023: Neurologia Medico-chirurgica
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