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Article ; Online: A case report of concurrent management of acute myocardial infarction complicated by left ventricular thrombus and ischaemic stroke.

Kodama, Yuka / Matsumoto, Kenji / Kubota, Hisashi / Furuya, Onichi / Kawase, Yoshio

European heart journal. Case reports

2024 Volume 8, Issue 4, Page(s) ytae193

Abstract: Background: Left ventricular thrombus (LVT) formation is a serious complication of acute myocardial infarction (AMI) requiring complicated management strategies and collaboration among cardiologists, cardiovascular surgeons, and neurosurgeons.: Case ... ...

Abstract	Background: Left ventricular thrombus (LVT) formation is a serious complication of acute myocardial infarction (AMI) requiring complicated management strategies and collaboration among cardiologists, cardiovascular surgeons, and neurosurgeons. Case summary: We present the case of an 83-year-old female patient with AMI. Emergency coronary angiography revealed subtotal occlusion of the proximal left anterior descending artery, and the patient was successfully treated with a drug-eluting stent. The following day, she suddenly developed loss of consciousness, global aphasia, and right hemiplegia. Brain magnetic resonance imaging revealed acute ischaemic cerebral infarction caused by multiple mobile LVT, as demonstrated by echocardiography. After a heart-brain team discussion, we decided to perform percutaneous mechanical thrombectomy. Successful recanalization was achieved with mechanical thrombectomy 2 h after presentation, which resulted in significant neurological recovery. Immediately after the thrombectomy, she was transferred to a cardiovascular surgery centre for surgical removal of multiple LV apical thrombi. Two weeks after the operation, the patient was discharged with the recovery of LV systolic function. Discussion: Although AMI complicated by acute stroke caused by LVT remains a clinical challenge, a multidisciplinary approach is critically important for optimal care. Based on an urgent team discussion, we decided to perform endovascular thrombectomy for ischaemic stroke, followed by surgical removal of the LVT, requiring patient transportation to the cardiovascular surgery centre. Given that the heart and brain team-based approach remains confined to large, specialized centres, it might be beneficial to establish a community-based integrated heart-brain team that can address the growing needs of complex patients.
Language	English
Publishing date	2024-04-15
Publishing country	England
Document type	Case Reports
ISSN	2514-2119
ISSN (online)	2514-2119
DOI	10.1093/ehjcr/ytae193
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Article ; Online: Effects of risky bus driving behaviors on motorcyclists' and car drivers' traffic safety perceptions in mixed traffic flow.

Van-Huy, Vu / Hoang-Tung, Nguyen / Kubota, Hisashi

Traffic injury prevention

2023 Volume 25, Issue 3, Page(s) 425–433

Abstract: Objective: This study investigates traffic safety perceptions of motorcyclists and car drivers toward risky bus driving behaviors (RBDBs) in mixed traffic flow (MTF).: Methods: The study identified 10 RBDBs and employed images in a unique ... ...

Abstract	Objective: This study investigates traffic safety perceptions of motorcyclists and car drivers toward risky bus driving behaviors (RBDBs) in mixed traffic flow (MTF). Methods: The study identified 10 RBDBs and employed images in a unique questionnaire survey. Further, permutation tests were employed to compare perceptions of motorcyclists in scenarios involving bus-motorcycle-car flow and bus-motorcycle flow and to compare their perceptions to those of car drivers'. Moreover, heteroskedastic generalized ordered logit regression models were utilized to predict traffic safety perceptions of motorcyclists and car drivers toward RBDBs. Results: High-speed bus driving is perceived as the most dangerous situation, while continuous flashing of lights at vehicles in front is perceived as the least dangerous. The permutation test revealed that motorcyclists tend to perceive RBDBs as less dangerous in bus-motorcycle flow than in mixed flow with cars, while car drivers consider them safer than motorcyclists. The regression model revealed that among the RBDBs, bus moving at high speeds, abruptly overtaking, abruptly changing lanes, and suddenly pulling over at bus stops are perceived as the most dangerous by motorcyclists and car drivers. The study also discusses the relationships between the socio-demographic characteristics of motorcyclists/car drivers and their safety perception toward RBDBs. Conclusions: These findings could inform the development of interventions to reduce RBDBs and improve traffic safety for motorcyclists and car drivers.
MeSH term(s)	Humans ; Automobile Driving ; Accidents, Traffic/prevention & control ; Automobiles ; Motor Vehicles ; Motorcycles
Language	English
Publishing date	2023-12-20
Publishing country	England
Document type	Journal Article
ZDB-ID	2089818-6
ISSN	1538-957X ; 1538-9588
ISSN (online)	1538-957X
ISSN	1538-9588
DOI	10.1080/15389588.2023.2292974
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Article ; Online: A study on the effect of sports on elderly traffic injury prevention.

Xie, ZhenYu / Kojima, Aya / Kubota, Hisashi

Journal of safety research

2022 Volume 81, Page(s) 55–66

Abstract: Introduction: In recent years, the percentage of elderly fatalities in traffic crashes in Japan has been increasing and has exceeded 50% since 2010. The fatality rate is high for the elderly due to the deterioration of physical functions.: Method: ... ...

Abstract	Introduction: In recent years, the percentage of elderly fatalities in traffic crashes in Japan has been increasing and has exceeded 50% since 2010. The fatality rate is high for the elderly due to the deterioration of physical functions. Method: The purpose of this study was to reduce the high fatality rate of elderly people at the time of the crash and to find out the effective exercise elements for maintaining physical functions, and to deter traffic crashes and reduce the fatality rate of the elderly people. Results: The effect of exercise on improving and maintaining physical fitness was remarkable, and even when encountering a near miss injuries or crashes, the percentage of the group that was able to respond in some way to a near miss or crashes was higher in the group that regularly exercised. The elderly who do not exercise tend to take longer to start crossing and tend to check both sides of the road less often while crossing. In addition, when they were about to encounter a car, they tended to continue walking, which tended to lead to dangerous crossing. Conclusion: As a result of the questionnaire survey, the possibility of preventing traffic crashes by participating in sports was confirmed. As a result of running experiments using a crossing simulator, it was found that elderly people who do not exercise have a gap between their usual awareness of crossing and their actual behavior. Practical implications: Through the discovering elements of exercise that are useful in reducing injuries will make it possible to provide accurate guidance and training to elderly people with reduced physical functions, and it is expected that pedestrians will be able to avoid traffic injuries with their own abilities.
MeSH term(s)	Accidents, Traffic/prevention & control ; Aged ; Humans ; Japan ; Pedestrians ; Walking ; Wounds and Injuries/prevention & control
Language	English
Publishing date	2022-02-05
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2015321-1
ISSN	1879-1247 ; 0022-4375
ISSN (online)	1879-1247
ISSN	0022-4375
DOI	10.1016/j.jsr.2022.01.006
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Article: Rigid but nonmetallic cranioplasty after pterional craniotomy: Technical note.

Sanada, Yasuhiro / Tsuji, Kiyoshi / Hamada, Yuumi / Fujishima, Kazuhiro / Furukawa, Kentaro / Fukawa, Norihito / Kubota, Hisashi / Satow, Tetsu / Takahashi, Jun C

Surgical neurology international

2023 Volume 14, Page(s) 337

Abstract: Background: Given the popularity of pterional craniotomy, numerous modifications have been made to prevent postoperative deformities. With the advent of titanium plates, fixation has become both simple and excellent. However, titanium plates can cause ... ...

Abstract	Background: Given the popularity of pterional craniotomy, numerous modifications have been made to prevent postoperative deformities. With the advent of titanium plates, fixation has become both simple and excellent. However, titanium plates can cause skin problems, infection, or cause skull growth to fail. Methods: To develop a simple, cost-effective, and esthetically satisfactory fixation method, without the use of non-metallic materials, six young and older patients underwent pterional craniotomy. CranioFix Absorbable clamps were used to fix the bone flap in the frontal and temporal regions such that the frontal part was in close contact with the skull. After fixation, the bone chips and bone dust were placed in the bone gap and fixed with fibrin glue. We measured the computed tomography values of the reconstructed area and thickness of the temporal profiles postoperatively over time. Results: Bone fusion was achieved in all patients by 1 year after surgery. Both the thickness of the temporalis muscle and the thickness of the temporal profile had changed within 2 mm as compared with the preoperative state. Conclusion: Our simple craniotomy technique, gentle tissue handling, and osteoplastic cranioplasty yielded satisfactory esthetic results and rigidness in pterional craniotomy.
Language	English
Publishing date	2023-09-15
Publishing country	United States
Document type	Journal Article
ISSN	2229-5097
ISSN	2229-5097
DOI	10.25259/SNI_577_2023
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Article ; Online: Transarterial and Transvenous Coil Embolization of Direct Carotid-Cavernous Fistulas.

Fukawa, Norihito / Nakagawa, Nobuhiro / Tsuji, Kiyoshi / Yoshioka, Hiromasa / Furukawa, Kentaro / Nagatsuka, Kazuhiro / Kubota, Hisashi / Nakano, Naoki / Takahashi, Jun C

Journal of neuroendovascular therapy

2021 Volume 16, Issue 2, Page(s) 127–134

Abstract: Objective: Transvenous embolization (TVE) is typically used in combination with the residual shunt of transarterial embolization (TAE) for the treatment of direct carotid-cavernous fistulas (direct CCFs). This report is about our additional embolization ...

Abstract	Objective: Transvenous embolization (TVE) is typically used in combination with the residual shunt of transarterial embolization (TAE) for the treatment of direct carotid-cavernous fistulas (direct CCFs). This report is about our additional embolization method using combination therapy. Case presentation: Five consecutive cases of direct CCF were presented; two were caused by aneurysms and three by head injuries. The treatment for each was started with TAE, with the addition of TVE if a shunt remained. At the time of TVE, a microcatheter positioned in the internal carotid artery passing from the cavernous sinus through the aneurysm neck or fistula was pulled back (pull-back method). It was then placed in the coil mass with TAE, and additional coils were filled. In two cases, the shunt disappeared by using only TAE, whereas it disappeared after being additionally embolized by the pull-back method in the remaining cases. All patients recovered with no postoperative complications. Conclusion: The TAE and TVE combination therapy with the pull-back method could efficiently embolize the residual shunt after TAE.
Language	English
Publishing date	2021-05-27
Publishing country	Japan
Document type	Journal Article
ISSN	2186-2494
ISSN (online)	2186-2494
DOI	10.5797/jnet.tn.2020-0115
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Article: The use of fibrin and gelatin fixation to repair a kinked internal carotid artery in carotid endarterectomy.

Kubota, Hisashi / Sanada, Yasuhiro / Tanikawa, Rokuya / Kato, Amami

Surgical neurology international

2016 Volume 7, Issue Suppl 15, Page(s) S434–6

Abstract: Background: The kinking of the internal carotid artery (ICA) after final closure in carotid endarterectomy (CEA) is thought to be uncommon. When it occurs, it is mandatory to reconstruct ICA to preserve normal blood flow. We herein present a case in ... ...

Abstract	Background: The kinking of the internal carotid artery (ICA) after final closure in carotid endarterectomy (CEA) is thought to be uncommon. When it occurs, it is mandatory to reconstruct ICA to preserve normal blood flow. We herein present a case in which a fixation technique was applied to repair an ICA that became kinked during CEA. Case description: A 68-year-old man presented with cerebral infarction due to an artery-to-artery embolism from the right cervical ICA stenosis. CEA was performed 12 days after admission. After final closure, a distal portion of ICA was found to have been kinked following plaque resection in CEA procedure. Fixation with fibrin glue and gelatin was used to reinforce the arterial wall and repair the kink. Postoperative magnetic resonance angiography demonstrated the release of the kink in ICA. Conclusion: Fixation with fibrin and gelatin is a salvage armamentarium that can be considered in CEA for the repair of kinked or tortuous ICA.
Language	English
Publishing date	2016-06-03
Publishing country	United States
Document type	Case Reports
ISSN	2229-5097
ISSN	2229-5097
DOI	10.4103/2152-7806.183542
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Article: A case of angiographically occult, distal small anterior inferior cerebellar artery aneurysm.

Kubota, Hisashi / Sanada, Yasuhiro / Nagatsuka, Kazuhiro / Kato, Amami

Surgical neurology international

2015 Volume 6, Page(s) 97

Abstract: Background: A small aneurysm at an unusual location, such as a distal anterior inferior cerebellar artery (AICA) aneurysm, may conceal as a computed tomography angiography (CTA) and digital subtraction angiography (DSA)-occult aneurysm.: Case ... ...

Abstract	Background: A small aneurysm at an unusual location, such as a distal anterior inferior cerebellar artery (AICA) aneurysm, may conceal as a computed tomography angiography (CTA) and digital subtraction angiography (DSA)-occult aneurysm. Case description: We herein present the case of a patient suffering from a subarachnoid hemorrhage (SAH) with two aneurysms in which the AICA aneurysm was negative by CTA and DSA. CTA demonstrated a right anterior choroidal artery aneurysm, which was revealed to be an unruptured aneurysm after surgical exploration. A small distal AICA aneurysm was detected by 3D rotational angiography (3DRA). The patient fully recovered except for left-side hearing loss four months after the second operation. Conclusion: We recommend a meticulous diagnosis by 3DRA in patients with SAH in which the distribution is not coincident with a typical aneurysmal location.
Language	English
Publishing date	2015-06-04
Publishing country	United States
Document type	Case Reports
ISSN	2229-5097
ISSN	2229-5097
DOI	10.4103/2152-7806.158206
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Article ; Online: Zigzag skin incision effectively camouflages the scar and alopecia for moyamoya disease: technical note.

Sanada, Yasuhiro / Yabuuchi, Tomonari / Yoshioka, Hiromasa / Kubota, Hisashi / Kato, Amami

Neurologia medico-chirurgica

2015 Volume 55, Issue 3, Page(s) 210–213

Abstract: Moyamoya disease is commonly diagnosed in children, and requires various vascular reconstruction to improve symptoms. Therefore, scar widening and hair loss after craniotomy, which sometimes occurs in this disease, are serious problems for patients. A ... ...

Abstract	Moyamoya disease is commonly diagnosed in children, and requires various vascular reconstruction to improve symptoms. Therefore, scar widening and hair loss after craniotomy, which sometimes occurs in this disease, are serious problems for patients. A variety of plastic surgical techniques in scalp have been reported to minimize the scar widening and hair loss. However, any neurosurgical reports describing this purpose have never been published for moyamoya disease. The objective of this study was to investigate whether these plastic surgical techniques could be applied to bypass surgery without any compromise of vascular reconstruction for moyamoya disease. We performed direct and indirect vascular reconstruction in six hemispheres of moyamoya disease patients not only in the middle cerebral artery territory but also in the anterior cerebral artery territory. The scalp incision was designed not parallel to the hair stream, and the bevelled incision was conducted not to jeopardize the hair follicles. The scar and hair loss were effectively camouflaged throughout the postoperative period in all cases. This study demonstrates that our design of scalp incision achieve effective vascular reconstruction and obscure the scar and hair loss.
MeSH term(s)	Adolescent ; Adult ; Alopecia/etiology ; Alopecia/pathology ; Alopecia/prevention & control ; Cerebral Revascularization/adverse effects ; Child ; Cicatrix/etiology ; Cicatrix/pathology ; Cicatrix/prevention & control ; Craniotomy/adverse effects ; Craniotomy/methods ; Female ; Humans ; Moyamoya Disease/surgery ; Postoperative Complications/etiology ; Postoperative Complications/pathology ; Postoperative Complications/prevention & control ; Scalp/surgery
Language	English
Publishing date	2015
Publishing country	Japan
Document type	Journal Article
ZDB-ID	604061-5
ISSN	1349-8029 ; 0470-8105
ISSN (online)	1349-8029
ISSN	0470-8105
DOI	10.2176/nmc.tn.2014-0193
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Article: Safe and accurate sylvian dissection with the use of indocyanine green videoangiography.

Kubota, Hisashi / Sanada, Yasuhiro / Nagatsuka, Kazuhiro / Yoshioka, Hiromasa / Iwakura, Michihiro / Kato, Amami

Surgical neurology international

2016 Volume 7, Issue Suppl 14, Page(s) S427–9

Abstract: Background: Sylvian dissection is an essential microneurosurgical skill for neurosurgeons. The safe and accurate opening of the sylvian fissure is desirable for a good prognosis.: Methods: The aim of this report is to demonstrate the use of ... ...

Abstract	Background: Sylvian dissection is an essential microneurosurgical skill for neurosurgeons. The safe and accurate opening of the sylvian fissure is desirable for a good prognosis. Methods: The aim of this report is to demonstrate the use of indocyanine green (ICG) videoangiography to recognize the superficial sylvian vein (SSV) and thus enable a wide opening of the sylvian fissure, especially in patients with subarachnoid hemorrhage (SAH). Results: The small tributary flowing into the SSV was distinguishable from a passing one, which deeply entered the insula. In addition, an entering point of a tributary to the SSV, which ran perpendicular to the insula, was occasionally determined. SSV, which was barely discernable in a reddish SAH involving the sylvian fissure, was clearly demarcated using ICG videoangiography. Two representative cases of sylvian dissection are herein presented. Conclusion: The performance of ICG videoangiography before sylvian dissection is a simple and useful method for identifying a vital approach route for safe and accurate sylvian dissection, and it reduces the risk of causing any accidental injury to the veins in the sylvian fissure.
Language	English
Publishing date	2016-06-03
Publishing country	United States
Document type	Journal Article
ISSN	2229-5097
ISSN	2229-5097
DOI	10.4103/2152-7806.183526
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Article ; Online: Surgical accessibility of the distal internal carotid artery on carotid endarterectomy evaluated using magnetic resonance angiography.

Kubota, Hisashi / Sanada, Yasuhiro / Tasaki, Takayuki / Miyauchi, Masaharu / Tanikawa, Rokuya / Ohtsuki, Toshiho / Kato, Amami

Neurosurgery

2015 Volume 76, Issue 5, Page(s) 633–6; discussion 636–7

Abstract: Background: Magnetic resonance angiography (MRA) is helpful for preoperatively evaluating the degree of carotid stenosis, although it is not always useful for assessing surgical accessibility to the distal internal carotid artery (ICA) due to the lack ... ...

Abstract	Background: Magnetic resonance angiography (MRA) is helpful for preoperatively evaluating the degree of carotid stenosis, although it is not always useful for assessing surgical accessibility to the distal internal carotid artery (ICA) due to the lack of osteological information. Objective: To demonstrate a method for evaluating the accessible distal portion of the ICA for carotid endarterectomy (CEA) using MRA. Methods: As an indicator of the upper limit of the operating field, a line drawn from the C1 transverse process to the hyoid bone (C1-H line) was defined. The cross-point between the C1-H line and distal ICA was delineated on 3-dimensional (3-D) MRA and 3-D tomography angiography (CTA). The distance between the carotid bifurcation and C1-H line was measured in 11 patients. The exposed distal ICA was compared with the extent of intraoperative ICA exposure. Results: The mean vertical distance (27.5 mm) from the carotid bifurcation to the C1-H line measured using 3-D MRA was almost the same as the distance (28 mm) evaluated on 3-D CTA. The discrepancy in distance between the 2 modalities was 1.9 ± 1.7 mm. Furthermore, the point of the ICA across the C1-H line created on 3-D MRA was in accordance with the intraoperative measurement (28.7 mm) of the exposed ICA. Conclusion: The C1-H line measured on 3-D MRA is a simple and useful indicator of the distal point of the accessible ICA during CEA, especially in patients with renal dysfunction and allergies to contrast medium.
MeSH term(s)	Adult ; Aged ; Carotid Artery, Internal/diagnostic imaging ; Carotid Artery, Internal/surgery ; Carotid Stenosis/surgery ; Endarterectomy, Carotid/methods ; Female ; Humans ; Imaging, Three-Dimensional ; Magnetic Resonance Angiography/methods ; Male ; Middle Aged ; Radiographic Image Interpretation, Computer-Assisted/methods
Language	English
Publishing date	2015-05
Publishing country	United States
Document type	Journal Article
ZDB-ID	135446-2
ISSN	1524-4040 ; 0148-396X
ISSN (online)	1524-4040
ISSN	0148-396X
DOI	10.1227/NEU.0000000000000664
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