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  1. Article ; Online: Elevated INR in a COVID-19 patient after concomitant administration of favipiravir and warfarin: A case report.

    Sekimoto, Masao / Imai, Toru / Hidaka, Shinji / Chiba, Nobutaka / Sakurai, Atsushi / Hata, Mitsumasa / Kikuchi, Norikazu

    Journal of clinical pharmacy and therapeutics

    2021  Volume 47, Issue 3, Page(s) 407–410

    Abstract: What is known and objective: Favipiravir is a promising treatment candidate for managing coronavirus disease 2019 (COVID-19). Warfarin has many drug interactions, but no interactions with favipiravir have been reported.: Case summary: Our patient was ...

    Abstract What is known and objective: Favipiravir is a promising treatment candidate for managing coronavirus disease 2019 (COVID-19). Warfarin has many drug interactions, but no interactions with favipiravir have been reported.
    Case summary: Our patient was taking warfarin for deep vein thrombosis. The international normalized ratio (INR) was stable (1.65 to 2.0); however, it increased to 4.63 after administering favipiravir. The patient had no other factors justifying this change.
    What is new and conclusion: Favipiravir and warfarin might have previously unidentified drug interactions that elevated the INR. Therefore, INR must be closely monitored when they are concomitantly administered in COVID-19 patients.
    MeSH term(s) Amides ; Anticoagulants/therapeutic use ; COVID-19/drug therapy ; Drug Interactions ; Humans ; International Normalized Ratio ; Pyrazines ; Warfarin/therapeutic use
    Chemical Substances Amides ; Anticoagulants ; Pyrazines ; Warfarin (5Q7ZVV76EI) ; favipiravir (EW5GL2X7E0)
    Language English
    Publishing date 2021-08-02
    Publishing country England
    Document type Case Reports
    ZDB-ID 639006-7
    ISSN 1365-2710 ; 0269-4727
    ISSN (online) 1365-2710
    ISSN 0269-4727
    DOI 10.1111/jcpt.13499
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Suturing Fenestration of the Left Subclavian Artery Orifice in Frozen Elephant Trunk Procedure.

    Hata, Mitsumasa / Wakui, Shinji / Ishii, Yusuke / Hinoura, Rei / Isaka, Susumu / Tanaka, Masashi

    The Thoracic and cardiovascular surgeon

    2020  Volume 69, Issue 4, Page(s) 362–365

    Abstract: The frozen elephant trunk (FET) procedure enables easier replacement of the entire aortic arch because it does not require reaching the distal part of the left subclavian artery (LSCA). However, it requires additional management for reconstruction of the ...

    Abstract The frozen elephant trunk (FET) procedure enables easier replacement of the entire aortic arch because it does not require reaching the distal part of the left subclavian artery (LSCA). However, it requires additional management for reconstruction of the LSCA, which is associated with bleeding events. However, the fenestrated FET technique confers a risk of endoleakage from the fenestration site. We report our unique novel technique in which the proximal side of the hybrid stent graft is cut into V-shape around the subclavian artery and sutured continuously around the orifice of the subclavian artery during aortic stump fixation.
    MeSH term(s) Aged ; Aneurysm, Dissecting/diagnostic imaging ; Aneurysm, Dissecting/surgery ; Aorta, Thoracic/diagnostic imaging ; Aorta, Thoracic/surgery ; Aortic Aneurysm, Thoracic/diagnostic imaging ; Aortic Aneurysm, Thoracic/surgery ; Blood Vessel Prosthesis ; Blood Vessel Prosthesis Implantation/adverse effects ; Blood Vessel Prosthesis Implantation/instrumentation ; Endovascular Procedures/adverse effects ; Endovascular Procedures/instrumentation ; Female ; Humans ; Male ; Middle Aged ; Prosthesis Design ; Stents ; Subclavian Artery/diagnostic imaging ; Subclavian Artery/surgery ; Suture Techniques ; Treatment Outcome
    Language English
    Publishing date 2020-09-08
    Publishing country Germany
    Document type Journal Article ; Video-Audio Media
    ZDB-ID 800050-5
    ISSN 1439-1902 ; 0171-6425 ; 0946-4778 ; 0172-6137
    ISSN (online) 1439-1902
    ISSN 0171-6425 ; 0946-4778 ; 0172-6137
    DOI 10.1055/s-0040-1715434
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Successful surgical treatment of cardiac metastasis from uterine leiomyosarcoma: A case report and literature review.

    Maebayashi, Aki / Nagaishi, Masaji / Nakajima, Takahiro / Hata, Mitsumasa / Xiaoyan, Tang / Kawana, Kei

    The journal of obstetrics and gynaecology research

    2020  Volume 46, Issue 5, Page(s) 795–800

    Abstract: Uterine leiomyosarcoma is a malignant soft tissue tumor resembling uterine fibroma clinically and is difficult to diagnose preoperatively. Since metastatic cardiac tumors are very rare and asymptomatic, most cardiac metastases are detected at autopsy ... ...

    Abstract Uterine leiomyosarcoma is a malignant soft tissue tumor resembling uterine fibroma clinically and is difficult to diagnose preoperatively. Since metastatic cardiac tumors are very rare and asymptomatic, most cardiac metastases are detected at autopsy after death due to other diseases. A 49-year-old woman presented with menorrhagia and anemia, and a uterine tumor. Total hysterectomy was performed for the uterine tumor. Histopathological examination revealed the tumor to be a leiomyosarcoma. Postoperative computed tomography showed multiple lung metastases and a metastatic cardiac tumor. The cardiac tumor, which was located within and almost entirely occluded the right ventricle, was 49 × 26 mm. To prevent sudden death, cardiac tumorectomy was performed semi-emergently. Chemotherapy was initiated in the early postoperative period, and the patient currently maintains a complete response. Cases with lung and cardiac metastases rarely undergo surgical resection of metastatic tumors. However, emergent surgical resection of cardiac metastatic tumors should be considered to prevent sudden death.
    MeSH term(s) Adult ; Antineoplastic Combined Chemotherapy Protocols/therapeutic use ; Deoxycytidine/administration & dosage ; Deoxycytidine/analogs & derivatives ; Docetaxel/administration & dosage ; Female ; Heart Neoplasms/diagnosis ; Heart Neoplasms/pathology ; Heart Neoplasms/secondary ; Heart Neoplasms/surgery ; Humans ; Hysterectomy ; Leiomyosarcoma/pathology ; Leiomyosarcoma/therapy ; Lung Neoplasms/pathology ; Lung Neoplasms/secondary ; Lung Neoplasms/therapy ; Middle Aged ; Uterine Neoplasms/diagnosis ; Uterine Neoplasms/therapy
    Chemical Substances Deoxycytidine (0W860991D6) ; Docetaxel (15H5577CQD) ; gemcitabine (B76N6SBZ8R)
    Language English
    Publishing date 2020-03-12
    Publishing country Australia
    Document type Case Reports ; Journal Article ; Review
    ZDB-ID 1327307-3
    ISSN 1447-0756 ; 1341-8076
    ISSN (online) 1447-0756
    ISSN 1341-8076
    DOI 10.1111/jog.14231
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Safety of Intravenous Autologous Bone Marrow-Derived Mesenchymal Cell Transplantation in 5 Patients With Reduced Left Ventricular Ejection Fraction.

    Sato, Yukihito / Kuragaichi, Takashi / Saga, Shunsuke / Nakayama, Hiroyuki / Obata, Tomoe / Watanabe, Mitsumasa / Fujikura, Kie / Watanabe, Masatoki / Hata, Ken-Ichiro / Ohgushi, Hajime

    Circulation reports

    2021  Volume 3, Issue 9, Page(s) 550–554

    Abstract: Background: ...

    Abstract Background:
    Language English
    Publishing date 2021-08-18
    Publishing country Japan
    Document type Journal Article
    ISSN 2434-0790
    ISSN (online) 2434-0790
    DOI 10.1253/circrep.CR-21-0091
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Limited Distal Arch Open Stenting for Type B Aortic Dissection with an Enlarged Ulcer-Like Projection, Complicated by Abdominal Aortic Occlusion.

    Hata, Mitsumasa / Akiyama, Kenji / Orime, Yukihiko

    The Thoracic and cardiovascular surgeon reports

    2016  Volume 5, Issue 1, Page(s) 71–73

    Abstract: A 79-year-old man underwent bifurcated graft replacement for abdominal aortic aneurysm, but the graft was totally occluded owing to an acute type B aortic dissection. We could not have access to the root for performing endovascular stenting for ... ...

    Abstract A 79-year-old man underwent bifurcated graft replacement for abdominal aortic aneurysm, but the graft was totally occluded owing to an acute type B aortic dissection. We could not have access to the root for performing endovascular stenting for dissecting aneurysm. Furthermore, it was difficult to remove the aneurysm via a left thoracotomy because it was impossible to perfuse the lower body with blood from the femoral artery and also a left axillary arterial cannulation was unusable. Herein, we report a patient who was successfully treated with open surgical aortic stenting for an enlarged ulcer-like projection complicated by a type B aortic dissection.
    Language English
    Publishing date 2016-01-05
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2674018-7
    ISSN 2194-7635
    ISSN 2194-7635
    DOI 10.1055/s-0035-1570377
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Suturing Fenestration of the Left Subclavian Artery Orifice in Frozen Elephant Trunk Procedure

    Hata, Mitsumasa / Wakui, Shinji / Ishii, Yusuke / Hinoura, Rei / Isaka, Susumu / Tanaka, Masashi

    The Thoracic and Cardiovascular Surgeon

    2020  Volume 69, Issue 04, Page(s) 362–365

    Abstract: The frozen elephant trunk (FET) procedure enables easier replacement of the entire aortic arch because it does not require reaching the distal part of the left subclavian artery (LSCA). However, it requires additional management for reconstruction of the ...

    Abstract The frozen elephant trunk (FET) procedure enables easier replacement of the entire aortic arch because it does not require reaching the distal part of the left subclavian artery (LSCA). However, it requires additional management for reconstruction of the LSCA, which is associated with bleeding events. However, the fenestrated FET technique confers a risk of endoleakage from the fenestration site. We report our unique novel technique in which the proximal side of the hybrid stent graft is cut into V-shape around the subclavian artery and sutured continuously around the orifice of the subclavian artery during aortic stump fixation.
    Keywords aorta ; aortic ; aneurysm ; sutures
    Language English
    Publishing date 2020-09-08
    Publisher Georg Thieme Verlag KG
    Publishing place Stuttgart ; New York
    Document type Article
    ZDB-ID 800050-5
    ISSN 1439-1902 ; 0171-6425 ; 0946-4778 ; 0172-6137
    ISSN (online) 1439-1902
    ISSN 0171-6425 ; 0946-4778 ; 0172-6137
    DOI 10.1055/s-0040-1715434
    Database Thieme publisher's database

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  7. Article ; Online: Renin-Angiotensin System Control for Chronic Kidney Disease Patients Undergoing Coronary Surgery.

    Yoshitake, Isamu / Sezai, Akira / Hata, Mitsumasa / Osaka, Shunji / Kimura, Haruka / Hata, Hiroaki / Shiono, Motomi

    Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia

    2016  Volume 22, Issue 5, Page(s) 291–297

    Abstract: Purpose: We investigated the effectiveness of active renin-angiotensin-aldosterone system (RAAS) control with human atrial natriuretic peptide (hANP) and an angiotensin II receptor blocker (ARB) in patients with chronic kidney disease (CKD) undergoing ... ...

    Abstract Purpose: We investigated the effectiveness of active renin-angiotensin-aldosterone system (RAAS) control with human atrial natriuretic peptide (hANP) and an angiotensin II receptor blocker (ARB) in patients with chronic kidney disease (CKD) undergoing coronary artery bypass grafting (CABG).
    Methods: A total of 286 consecutive patients with CKD undergoing CABG were divided into three groups: Group C (n = 50) receiving placebo, the hANP group (n = 60) receiving hANP, and the active RAAS control therapy (ARC) group (n = 56) receiving hANP plus an ARB. Renal function, brain natriuretic peptide (BNP) and RAAS parameters were analyzed.
    Results: After 1 year, renal function parameters were better in the hANP and ARC groups compared with group C, and the dialysis rate was significantly lower (group C: 12%, hANP group: 1.7%, ARC group: 1.8%, p = 0.018) in the hANP and ARC groups. BNP levels were significantly lower in the hANP and ARC groups compared with group C (p = 0.001). There was also a significant difference of aldosterone among the groups (p = 0.023), as well as a significant difference between group C and the ARC group (p = 0.017).
    Conclusions: The present study showed that active RAAS control preserved renal function in patients with CKD undergoing CABG. The improved early postoperative outcome with RAAS control may lead to long-term inhibition of cardiovascular events.
    MeSH term(s) Aged ; Angiotensin II Type 1 Receptor Blockers/adverse effects ; Angiotensin II Type 1 Receptor Blockers/therapeutic use ; Atrial Natriuretic Factor/adverse effects ; Atrial Natriuretic Factor/therapeutic use ; Coronary Artery Bypass/adverse effects ; Coronary Artery Disease/complications ; Coronary Artery Disease/diagnosis ; Coronary Artery Disease/physiopathology ; Coronary Artery Disease/surgery ; Databases, Factual ; Female ; Humans ; Japan ; Kidney/drug effects ; Kidney/physiopathology ; Male ; Middle Aged ; Randomized Controlled Trials as Topic ; Renal Dialysis ; Renal Insufficiency, Chronic/complications ; Renal Insufficiency, Chronic/diagnosis ; Renal Insufficiency, Chronic/drug therapy ; Renal Insufficiency, Chronic/physiopathology ; Renin-Angiotensin System/drug effects ; Time Factors ; Treatment Outcome
    Chemical Substances Angiotensin II Type 1 Receptor Blockers ; Atrial Natriuretic Factor (85637-73-6)
    Language English
    Publishing date 2016-10-20
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 2019756-1
    ISSN 2186-1005 ; 1341-1098
    ISSN (online) 2186-1005
    ISSN 1341-1098
    DOI 10.5761/atcs.oa.16-00105
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Clinical characteristics of patients with bacterial pleuritis in the presence of Streptococcus anginosus group and obligate anaerobes detected by clone library analysis.

    Hata, Ryosuke / Kawanami, Toshinori / Noguchi, Shingo / Fukuda, Kazumasa / Akata, Kentaro / Yamasaki, Kei / Saito, Mitsumasa / Yatera, Kazuhiro / Mukae, Hiroshi

    The clinical respiratory journal

    2019  Volume 14, Issue 3, Page(s) 267–276

    Abstract: Introduction: Bacterial pleuritis is one of the most important pleural and respiratory infectious diseases, in addition, there have been no reports describing the clinical characteristics of patients with bacterial pleuritis according to molecular ... ...

    Abstract Introduction: Bacterial pleuritis is one of the most important pleural and respiratory infectious diseases, in addition, there have been no reports describing the clinical characteristics of patients with bacterial pleuritis according to molecular methods. An accurate understanding of the clinical characteristics and etiology of bacterial pleuritis is an issue that must be addressed.
    Objectives: The aim of this study was to clarify the clinical characteristics of the bacterial species in bacterial pleuritis.
    Methods: Pleural effusion samples were obtained from 29 patients with bacterial pleuritis. The microbiota of pleural effusion samples was analyzed by clone library analysis using the 16S ribosomal RNA gene.
    Results: The phylotypes of Fusobacterium spp. (24.1%) were most frequently the predominant phylotypes, followed by those of Streptococcus anginosus group (SAG) (20.7%) and S. aureus (17.2%). The predominant phylotypes of obligate anaerobes, including the Fusobacterium spp., were detected in 11 of 29 patients (37.9%). Patients in the SAG group were significantly older and presented lower serum albumin levels than those in the obligate anaerobe and other bacterial groups. Patients from the obligate anaerobe group took longer to present symptoms, and therefore the diagnosis of pleuritis was also delayed, in comparison to patients in the other bacterial groups.
    Conclusions: Our results demonstrated that there were characteristic differences between patients in SAG, obligate anaerobe and other bacterial groups. Physicians may need to consider treatment strategy options based on the clinical characteristics of patients with bacterial pleuritis.
    MeSH term(s) Aged ; Aged, 80 and over ; Bacteria, Anaerobic/genetics ; Bacterial Infections/complications ; Bacterial Infections/epidemiology ; Case-Control Studies ; Female ; Gene Library ; Genes, Bacterial/genetics ; Humans ; Japan/epidemiology ; Male ; Microbiota/genetics ; Middle Aged ; Pleurisy/microbiology ; RNA, Ribosomal, 16S/genetics ; Retrospective Studies ; Serum Albumin/analysis ; Staphylococcus aureus/genetics ; Staphylococcus aureus/isolation & purification ; Streptococcus anginosus/genetics ; Streptococcus anginosus/isolation & purification
    Chemical Substances RNA, Ribosomal, 16S ; Serum Albumin
    Language English
    Publishing date 2019-12-27
    Publishing country England
    Document type Journal Article
    ZDB-ID 2442214-9
    ISSN 1752-699X ; 1752-6981
    ISSN (online) 1752-699X
    ISSN 1752-6981
    DOI 10.1111/crj.13127
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Efficacy of modified less invasive quick replacement using mild hypothermic arrest and partial retrograde cerebral perfusion for type A acute aortic dissection.

    Hata, Mitsumasa / Orime, Yukihiko / Wakui, Shinji / Umeda, Tomofumi / Akiyama, Kenji / Tanaka, Masashi

    General thoracic and cardiovascular surgery

    2017  

    Abstract: Objective: We previously reported a unique technique called "less invasive quick replacement (LIQR)" for treating type A acute aortic dissection with moderate hypothermic arrest (28 °C). This study examines the modified LIQR using mild hypothermic ... ...

    Abstract Objective: We previously reported a unique technique called "less invasive quick replacement (LIQR)" for treating type A acute aortic dissection with moderate hypothermic arrest (28 °C). This study examines the modified LIQR using mild hypothermic arrest (30 °C) with partial retrograde cerebral perfusion (RCP).
    Methods: 187 patients were divided into 2 groups: group L consisted of 130 patients underwent LIQR without any cerebral perfusion; group M consisted of 57 patients who were treated with modified LIQR. In modified LIQR, circulatory arrest was commenced under the 30 °C for open distal aortic stamp fixation. RCP was used during final half anastomosis of the prosthesis and then rapid re-warming was initiated.
    Results: The incidence of additional valve or coronary surgeries was significantly higher in group M (28.1%) than in group L (9.2%). The average rectal temperature was significantly higher in group M (29.5 °C) than in group L (27.4 °C). The durations of brain ischemia (M 7.7 min; L 18.6 min), cardiopulmonary bypass (M 82.0 min; L 93.3 min), and overall operation (M 145.2 min; L 154.2 min) were significantly shorter in group M. The incidence of postoperative brain damage was 6 patients (4.6%) in group L, but none in group M. The hospital mortality rate was 3 patients in group L (2.3%). All group M patients were discharged from the hospital without any complications.
    Conclusion: Modified LIQR is safe and effective. It makes the surgery much quicker and is a less invasive procedure. The surgical outcome was also favorable.
    Language English
    Publishing date 2017-10-27
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 2376888-5
    ISSN 1863-6713 ; 1863-6705
    ISSN (online) 1863-6713
    ISSN 1863-6705
    DOI 10.1007/s11748-017-0844-3
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Limited Distal Arch Open Stenting for Type B Aortic Dissection with an Enlarged Ulcer-Like Projection, Complicated by Abdominal Aortic Occlusion

    Hata, Mitsumasa / Akiyama, Kenji / Orime, Yukihiko

    The Thoracic and Cardiovascular Surgeon Reports

    2016  Volume 05, Issue 01, Page(s) 71–73

    Abstract: A 79-year-old man underwent bifurcated graft replacement for abdominal aortic aneurysm, but the graft was totally occluded owing to an acute type B aortic dissection. We could not have access to the root for performing endovascular stenting for ... ...

    Abstract A 79-year-old man underwent bifurcated graft replacement for abdominal aortic aneurysm, but the graft was totally occluded owing to an acute type B aortic dissection. We could not have access to the root for performing endovascular stenting for dissecting aneurysm. Furthermore, it was difficult to remove the aneurysm via a left thoracotomy because it was impossible to perfuse the lower body with blood from the femoral artery and also a left axillary arterial cannulation was unusable. Herein, we report a patient who was successfully treated with open surgical aortic stenting for an enlarged ulcer-like projection complicated by a type B aortic dissection.
    Keywords aortic aneurysm ; cardiovascular surgery ; aortic stent
    Language English
    Publishing date 2016-01-05
    Publisher Georg Thieme Verlag KG
    Publishing place Stuttgart ; New York
    Document type Article
    ZDB-ID 2674018-7
    ISSN 2194-7643 ; 2194-7635
    ISSN (online) 2194-7643
    ISSN 2194-7635
    DOI 10.1055/s-0035-1570377
    Database Thieme publisher's database

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