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  1. AU="Matano, Fumihiro"
  2. AU="García-Romero, María Teresa" AU="García-Romero, María Teresa"
  3. AU="Szimonetta Lohner"
  4. AU="Malley, Kaitlin"
  5. AU="Altahawi, Faysal"
  6. AU="Baolian Yi"
  7. AU="Valdes-Hernández, Jorge"
  8. AU="Caughlin, T Trevor"
  9. AU="Serena Montalbano"
  10. AU="Morroni, Gianluca"
  11. AU="Choi, Kristal S."
  12. AU="Verma, Smita Rastogi" AU="Verma, Smita Rastogi"
  13. AU="Zhou, Bingfeng"
  14. AU="Kivala, Milan"
  15. AU="Salafia, O S"
  16. AU="Taghavi, Fouad J"
  17. AU="Xiao, Jun-Hua"
  18. AU="Vee Sin Lee, Peter"
  19. AU="Zhu, Yali"
  20. AU="Jiang-Qi Liu"
  21. AU="Moores, Roxanna"

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  1. Artikel: [Overview and Pitfalls of the Extended Trans:Nasal Endoscopic Approach].

    Matano, Fumihiro / Froelich, Sebastien

    No shinkei geka. Neurological surgery

    2022  Band 50, Heft 3, Seite(n) 634–643

    Abstract: The extended endoscopic endonasal approach(EEA)has been expanding in recent years with the development of instruments and surgical techniques. Basically, sela, extradural, and intranasal lesions such as pituitary tumor, craniopharyngioma, chordoma, ... ...

    Abstract The extended endoscopic endonasal approach(EEA)has been expanding in recent years with the development of instruments and surgical techniques. Basically, sela, extradural, and intranasal lesions such as pituitary tumor, craniopharyngioma, chordoma, chondrosarcoma, and cholesterol granuloma are indicated. Intradural lesions or lesions that extend laterally or downward to the craniocervical junction are more difficult to operate. In addition, cases of hard tumor with calcification of the tumor, cases in which the tumor involves important blood vessels, re-operative cases, and cases after radiotherapy are also difficult cases and should be considered preoperatively. In recent years, we have been trying to keep the nasal structures as much as possible without removing nasal structure, but in cases where the tumor has invaded and destroyed the nasal structures, extended EEA is necessary. The anatomy of the extended EEA is complicated and not common among neurosurgeons. In this chapter, we present the basic anatomy and surgical cases to be understood in extended EEA and explain the pitfalls.
    Mesh-Begriff(e) Chordoma/surgery ; Humans ; Nose/surgery ; Pituitary Neoplasms/pathology ; Pituitary Neoplasms/surgery ; Postoperative Complications
    Sprache Japanisch
    Erscheinungsdatum 2022-05-27
    Erscheinungsland Japan
    Dokumenttyp Journal Article ; Review
    ZDB-ID 197053-7
    ISSN 1882-1251 ; 0301-2603
    ISSN (online) 1882-1251
    ISSN 0301-2603
    DOI 10.11477/mf.1436204596
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Artikel: Pathological Findings of Donor Vessels in Bypass Surgery.

    Nounaka, Yohei / Murai, Yasuo / Kubota, Asami / Tsukiyama, Atsushi / Matano, Fumihiro / Koketsu, Kenta / Morita, Akio

    Journal of clinical medicine

    2024  Band 13, Heft 7

    Abstract: ... 1) ... ...

    Abstract (1) Background
    Sprache Englisch
    Erscheinungsdatum 2024-04-06
    Erscheinungsland Switzerland
    Dokumenttyp Journal Article
    ZDB-ID 2662592-1
    ISSN 2077-0383
    ISSN 2077-0383
    DOI 10.3390/jcm13072125
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  3. Artikel ; Online: Experience Using Gentian Violet-Free Dyes for Tissue Visualization.

    Matano, Fumihiro / Murai, Yasuo / Nounaka, Yohei / Higuchi, Tadashi / Mihara, Riku / Isayama, Koshiro / Morita, Akio

    Journal of neurological surgery. Part A, Central European neurosurgery

    2024  

    Abstract: Background:  Gentian violet ink is used as a skin marker in various surgical procedures, including neurosurgery. The dye is also used to visualize the edges of blood vessels during bypass surgery. However, gentian violet ink carries the risks of ... ...

    Abstract Background:  Gentian violet ink is used as a skin marker in various surgical procedures, including neurosurgery. The dye is also used to visualize the edges of blood vessels during bypass surgery. However, gentian violet ink carries the risks of carcinogenicity and venous injury, which causes microvascular thrombosis. In this study, we compare the gentian violet-free dye C.I. Basic Violet 4 (BV4) and gentian violet. The usefulness, in terms of color, and formation of microvascular thrombosis in anastomosis were compared.
    Methods:  We used the gentian violet-free dye in 20 cases involving 3 vascular anastomoses. The bone cutting lines on the bone surface, superior temporal artery, and middle cerebral artery were drawn using BV4 and gentian violet ink.
    Results:  The colors of BV4 and gentian violet ink were similar. No thrombus formation was observed at the vascular anastomosis when using BV4.
    Conclusion:  BV4 can be used similarly to gentian violet ink. No adverse effects such as thrombus formation in microvascular anastomosis were experienced when BV4 was used.
    Sprache Englisch
    Erscheinungsdatum 2024-01-24
    Erscheinungsland Germany
    Dokumenttyp Journal Article
    ZDB-ID 2651663-9
    ISSN 2193-6323 ; 2193-6315
    ISSN (online) 2193-6323
    ISSN 2193-6315
    DOI 10.1055/a-2175-3295
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  4. Artikel ; Online: Evaluation of Ethyl Violet as an Alternative Dye to Crystal Violet to Visualize the Vessel Wall during Vascular Anastomosis.

    Murai, Yasuo / Matano, Fumihiro / Isayama, Koshiro / Nounaka, Yohei / Morita, Akio

    Neurologia medico-chirurgica

    2022  Band 62, Heft 11, Seite(n) 530–534

    Abstract: Crystal violet (CV) ink has been used as a skin marker worldwide. It has been reported to be useful for vessel wall visualization of microvascular anastomoses. Contrastingly, it has been found to be carcinogenic and inhibit migration and proliferation of ...

    Abstract Crystal violet (CV) ink has been used as a skin marker worldwide. It has been reported to be useful for vessel wall visualization of microvascular anastomoses. Contrastingly, it has been found to be carcinogenic and inhibit migration and proliferation of venous cells. In some countries, its use in the medical field has been restricted. Therefore, it is necessary to consider alternatives to CV. In this present study, we compared the time required for the anastomosis of a 0.8-1 mm diameter vessel in the chicken wrist artery using CV and a CV-free dye (ethyl violet; EV). The surgeon, microscope, and anastomosis microsurgical tools were standardized for comparison. CV and EV were changed for each anastomosis. The same surgeon performed 30 anastomoses using each dye. No visually obvious differences were noted in the vascular transections with CV and EV. As per the results, no statistically significant difference was observed in the time required for anastomosis using CV and EV. EV conforming to California Proposition 65 may be an effective alternative to CV for vascular visualization of microvascular anastomoses. However, further studies on the effectiveness of the EV in clinical cases are needed.
    Mesh-Begriff(e) Gentian Violet/chemistry ; Anastomosis, Surgical/methods ; Rosaniline Dyes ; Veins/surgery ; Microsurgery/methods
    Chemische Substanzen Gentian Violet (J4Z741D6O5) ; ethyl violet (94UZ9RD7TJ) ; Rosaniline Dyes
    Sprache Englisch
    Erscheinungsdatum 2022-09-22
    Erscheinungsland Japan
    Dokumenttyp Journal Article
    ZDB-ID 604061-5
    ISSN 1349-8029 ; 0470-8105
    ISSN (online) 1349-8029
    ISSN 0470-8105
    DOI 10.2176/jns-nmc.2022-0188
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  5. Artikel ; Online: RNF213-Related Vasculopathy: Various Systemic Vascular Diseases Involving RNF213 Gene Mutations: Review.

    Murai, Yasuo / Matano, Fumihiro / Kubota, Asami / Nounaka, Yohei / Ishisaka, Eitaro / Shirokane, Kazutaka / Koketsu, Kenta / Nakae, Ryuta / Tamaki, Tomonori

    Journal of Nippon Medical School = Nippon Ika Daigaku zasshi

    2024  Band 91, Heft 2, Seite(n) 140–145

    Abstract: Moyamoya disease (MMD) is a cerebrovascular disorder that is predominantly observed in women of East Asian descent, and is characterized by progressive stenosis of the internal carotid artery, beginning in early childhood, and a distinctive network of ... ...

    Abstract Moyamoya disease (MMD) is a cerebrovascular disorder that is predominantly observed in women of East Asian descent, and is characterized by progressive stenosis of the internal carotid artery, beginning in early childhood, and a distinctive network of collateral vessels known as "moyamoya vessels" in the basal ganglia. Additionally, a prevalent genetic variant found in most MMD cases is the p.R4810K polymorphism of RNF213 on chromosome 17q25.3. Recent studies have revealed that RNF213 mutations are associated not only with MMD, but also with other systemic vascular disorders, including intracranial atherosclerosis and systemic vascular abnormalities such as pulmonary artery stenosis and coronary artery diseases. Therefore, the concept of "RNF213-related vasculopathy" has been proposed. This review focuses on polymorphisms in the RNF213 gene and describes a wide range of clinical and genetic phenotypes associated with RNF213-related vasculopathy. The RNF213 gene has been suggested to play an important role in the pathogenesis of vascular diseases and developing new therapies. Therefore, further research and knowledge sharing through collaboration between clinicians and researchers are required.
    Mesh-Begriff(e) Humans ; Ubiquitin-Protein Ligases/genetics ; Mutation ; Moyamoya Disease/genetics ; Adenosine Triphosphatases/genetics ; Vascular Diseases/genetics ; Female ; Polymorphism, Genetic ; Phenotype ; Male
    Chemische Substanzen RNF213 protein, human (EC 2.3.2.27) ; Ubiquitin-Protein Ligases (EC 2.3.2.27) ; Adenosine Triphosphatases (EC 3.6.1.-)
    Sprache Englisch
    Erscheinungsdatum 2024-05-23
    Erscheinungsland Japan
    Dokumenttyp Journal Article ; Review
    ZDB-ID 2091563-9
    ISSN 1347-3409 ; 1345-4676
    ISSN (online) 1347-3409
    ISSN 1345-4676
    DOI 10.1272/jnms.JNMS.2024_91-215
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  6. Artikel: A Case of Ruptured Carotid Traumatic Blood Blister-like Aneurysm.

    Matsumoto, Yoshiyuki / Nakae, Ryuta / Matano, Fumihiro / Kubota, Asami / Morita, Akio / Murai, Yasuo / Yokobori, Shoji

    NMC case report journal

    2023  Band 10, Seite(n) 259–263

    Abstract: Ruptured cerebral aneurysms that occur in the anterior wall of the internal carotid artery (ICA) are known as blood blister-like aneurysms (BBAs); they have been reported to account for 0.3% to 1% of all ruptured ICA aneurysms. In this report, we ... ...

    Abstract Ruptured cerebral aneurysms that occur in the anterior wall of the internal carotid artery (ICA) are known as blood blister-like aneurysms (BBAs); they have been reported to account for 0.3% to 1% of all ruptured ICA aneurysms. In this report, we describe the treatment of an unusual traumatic BBA (tBBA) with high-flow bypass using a radial artery graft, which resulted in a favorable outcome. A 59-year-old female suffered from an acute epidural hematoma, traumatic subarachnoid hemorrhage, and traumatic carotid-cavernous sinus fistula (tCCF) after being involved in a motor vehicle accident. Her angiography results showed tCCF and a tBBA on the anterior wall of the right ICA. On the fourth day after injury, we found rebleeding from the tBBA and performed an emergency high-flow bypass using a radial artery graft with lesion trapping as a curative procedure for the tCCF and tBBA. Postoperatively, right abducens nerve palsy appeared, but no other neurological symptoms were noted; the patient was thereafter transferred to a rehabilitation hospital 49 days after injury. Traumatic ICA aneurysms commonly occur close to the anterior clinoid process, form within 1 to 2 weeks of injury, and often rupture around 2 weeks after trauma. This case was considered rare as the ICA was likely injured and bleeding at the time of injury, resulting in a form of tBBA; this allowed early detection and appropriate treatment that resulted in a good outcome.
    Sprache Englisch
    Erscheinungsdatum 2023-09-29
    Erscheinungsland Japan
    Dokumenttyp Case Reports
    ISSN 2188-4226
    ISSN 2188-4226
    DOI 10.2176/jns-nmc.2023-0088
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  7. Artikel ; Online: Spontaneous middle cerebral artery dissection: a series of six cases and literature review.

    Nounaka, Yohei / Murai, Yasuo / Shirokane, Kazutaka / Matano, Fumihiro / Koketsu, Kenta / Nakae, Ryuta / Watanabe, Akira / Mizunari, Takayuki / Morita, Akio

    Neurosurgical review

    2023  Band 46, Heft 1, Seite(n) 229

    Abstract: Middle cerebral artery (MCA) dissection is rare, and various clinical presentations, including hemorrhage, ischemia, or comorbidities, and the changes in imaging findings over time hinder treatment decisions. The European Stroke Organization guidelines ... ...

    Abstract Middle cerebral artery (MCA) dissection is rare, and various clinical presentations, including hemorrhage, ischemia, or comorbidities, and the changes in imaging findings over time hinder treatment decisions. The European Stroke Organization guidelines exclude MCA dissection. Few cases have been reported with no review of the relevant literature. Therefore, we reviewed the relevant literature and our own experience with non-traumatic MCA dissection cases to determine appropriate treatment strategies. At our institution and affiliated institutions, we encountered six cases of MCA dissection-five with infarction and one with hemorrhage. Two patients underwent revascularization, and one underwent an aneurysmectomy. We reviewed English and Japanese articles in PubMed and Medical Journal Web and summarized the results based on the relationships among age, sex, location, the presence of an aneurysm, the presence of angiography, history, treatment, and mode of onset. The clinical course, changes in imaging, treatment strategies, and prognosis were discussed. Eighty cases were included in the review. Cerebral aneurysms were more common distal to the M2 area (p = 0.00) and were correlated with hemorrhage (p < 0.001). Most hemorrhagic cases with aneurysms were treated surgically, while ischemic cases were treated with antithrombotic agents, and both had a similar neurological prognosis. There were some cases of rebleeding after antithrombotic therapy, especially in older adults.Surgical treatment is recommended in cases of hemorrhage and confirmed aneurysms, particularly for lesions distal to the M2 area. Patients with aneurysm-associated ischemia should be followed up, and antithrombotic treatment should be considered with particular care in older adults.
    Mesh-Begriff(e) Humans ; Aged ; Middle Cerebral Artery/diagnostic imaging ; Middle Cerebral Artery/surgery ; Dissection ; Intracranial Aneurysm/diagnostic imaging ; Intracranial Aneurysm/surgery ; Angiography ; Fibrinolytic Agents
    Chemische Substanzen Fibrinolytic Agents
    Sprache Englisch
    Erscheinungsdatum 2023-09-07
    Erscheinungsland Germany
    Dokumenttyp Review ; Journal Article
    ZDB-ID 6907-3
    ISSN 1437-2320 ; 0344-5607
    ISSN (online) 1437-2320
    ISSN 0344-5607
    DOI 10.1007/s10143-023-02139-5
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  8. Artikel: Experience Using Gentian Violet-Free Dyes for Tissue Visualization

    Matano, Fumihiro / Murai, Yasuo / Nounaka, Yohei / Higuchi, Tadashi / Mihara, Riku / Isayama, Koshiro / Morita, Akio

    Journal of Neurological Surgery Part A: Central European Neurosurgery

    2023  

    Abstract: Background: Gentian violet ink is used as a skin marker in various surgical procedures, including neurosurgery. The dye is also used to visualize the edges of blood vessels during bypass surgery. However, gentian violet ink carries the risks of ... ...

    Abstract Background: Gentian violet ink is used as a skin marker in various surgical procedures, including neurosurgery. The dye is also used to visualize the edges of blood vessels during bypass surgery. However, gentian violet ink carries the risks of carcinogenicity and venous injury, which causes microvascular thrombosis. In this study, we compare the gentian violet–free dye C.I. Basic Violet 4 (BV4) and gentian violet. The usefulness, in terms of color, and formation of microvascular thrombosis in anastomosis were compared.
    Methods: We used the gentian violet–free dye in 20 cases involving 3 vascular anastomoses. The bone cutting lines on the bone surface, superior temporal artery, and middle cerebral artery were drawn using BV4 and gentian violet ink.
    Results: The colors of BV4 and gentian violet ink were similar. No thrombus formation was observed at the vascular anastomosis when using BV4.
    Conclusion: BV4 can be used similarly to gentian violet ink. No adverse effects such as thrombus formation in microvascular anastomosis were experienced when BV4 was used.
    Schlagwörter anastomosis ; dye ; gentian violet
    Sprache Englisch
    Erscheinungsdatum 2023-09-13
    Verlag Georg Thieme Verlag KG
    Erscheinungsort Stuttgart ; New York
    Dokumenttyp Artikel
    ZDB-ID 2651663-9
    ISSN 2193-6323 ; 2193-6315
    ISSN (online) 2193-6323
    ISSN 2193-6315
    DOI 10.1055/a-2175-3295
    Datenquelle Thieme Verlag

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  9. Artikel ; Online: MRI Punctate Sign and CTA Spot Sign for Primary Intracerebral Hemorrhage.

    Murai, Yasuo / Matano, Fumihiro / Morita, Akio

    The neurologist

    2019  Band 25, Heft 1, Seite(n) 17

    Mesh-Begriff(e) Cerebral Angiography ; Cerebral Hemorrhage ; Humans ; Magnetic Resonance Imaging ; Magnetic Resonance Spectroscopy
    Sprache Englisch
    Erscheinungsdatum 2019-12-24
    Erscheinungsland United States
    Dokumenttyp Journal Article ; Comment
    ZDB-ID 1361380-7
    ISSN 2331-2637 ; 1074-7931
    ISSN (online) 2331-2637
    ISSN 1074-7931
    DOI 10.1097/NRL.0000000000000256
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  10. Artikel: Preliminary Clinical Surgical Experience with Temporary Simultaneous Use of an Endoscope during Exoscopic Neurosurgery: An Observational Study.

    Murai, Yasuo / Shirokane, Kazutaka / Sato, Shun / Higuchi, Tadashi / Kubota, Asami / Ozeki, Tomohiro / Matano, Fumihiro / Sasakai, Kazuma / Yamaguchi, Fumio / Morita, Akio

    Journal of clinical medicine

    2022  Band 11, Heft 7

    Abstract: The use of an endoscope in exoscopic transcranial neurosurgery for skull-base lesions has not yet been investigated. Thus, this study aimed to investigate the advantages, disadvantages, and safety of "simultaneous temporary use of an endoscope during ... ...

    Abstract The use of an endoscope in exoscopic transcranial neurosurgery for skull-base lesions has not yet been investigated. Thus, this study aimed to investigate the advantages, disadvantages, and safety of "simultaneous temporary use of an endoscope during exoscopic surgery" (exo-endoscopic surgery (EES)). Consecutive exo-endoscopic surgeries performed by experienced neurosurgeons and assistants were analyzed. Surgical complications and time were compared with previous consecutive microsurgeries performed by the same surgeon. A questionnaire survey was conducted on 16 neurosurgeons with experience in both "temporary simultaneous use of endoscope during microscopic surgery" (micro-endoscopic surgery (MES)) and EES. EES was performed in 18 of 76 exoscopic surgeries, including tumor removal (
    Sprache Englisch
    Erscheinungsdatum 2022-03-22
    Erscheinungsland Switzerland
    Dokumenttyp Journal Article
    ZDB-ID 2662592-1
    ISSN 2077-0383
    ISSN 2077-0383
    DOI 10.3390/jcm11071753
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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