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  1. Article: A surgical case of infected cardiac myxoma.

    Kuwauchi, Shintaro / Hosono, Mitsuharu / Uetsuki, Tomohiko / Kawazoe, Kohei

    SAGE open medical case reports

    2023  Volume 11, Page(s) 2050313X221144514

    Abstract: A 60-year-old woman presented with a fever of unknown origin. Echocardiography revealed a large left atrial tumor protruding into the left ventricle during diastole. Laboratory investigation showed an elevated white blood cell count, C-reactive protein ... ...

    Abstract A 60-year-old woman presented with a fever of unknown origin. Echocardiography revealed a large left atrial tumor protruding into the left ventricle during diastole. Laboratory investigation showed an elevated white blood cell count, C-reactive protein concentration, and interleukin-6 concentration. Magnetic resonance imaging showed hyperacute microinfarcts and multiple old lacunar infarcts. Surgery was performed under suspicion of cardiac myxoma. A dark red jelly-like tumor with an irregular surface was removed. Histopathological examination revealed cardiac myxoma, the surface of which was covered with fibrin and bacterial masses. Preoperative blood culture was positive for
    Language English
    Publishing date 2023-05-17
    Publishing country England
    Document type Case Reports
    ZDB-ID 2736953-5
    ISSN 2050-313X
    ISSN 2050-313X
    DOI 10.1177/2050313X221144514
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: A surgical case of infected cardiac myxoma

    Shintaro Kuwauchi / Mitsuharu Hosono / Tomohiko Uetsuki / Kohei Kawazoe

    SAGE Open Medical Case Reports, Vol

    2023  Volume 11

    Abstract: A 60-year-old woman presented with a fever of unknown origin. Echocardiography revealed a large left atrial tumor protruding into the left ventricle during diastole. Laboratory investigation showed an elevated white blood cell count, C-reactive protein ... ...

    Abstract A 60-year-old woman presented with a fever of unknown origin. Echocardiography revealed a large left atrial tumor protruding into the left ventricle during diastole. Laboratory investigation showed an elevated white blood cell count, C-reactive protein concentration, and interleukin-6 concentration. Magnetic resonance imaging showed hyperacute microinfarcts and multiple old lacunar infarcts. Surgery was performed under suspicion of cardiac myxoma. A dark red jelly-like tumor with an irregular surface was removed. Histopathological examination revealed cardiac myxoma, the surface of which was covered with fibrin and bacterial masses. Preoperative blood culture was positive for Streptococcus vestibularis . These findings were compatible with a diagnosis of infected cardiac myxoma. We used an antibiotic therapeutic regimen for infective endocarditis, and the patient was discharged home on postoperative day 31. Prompt diagnosis and treatment, including effective and efficient antibiotic therapy and complete tumor resection, increased the chance of a better outcome in patients with infected cardiac myxoma.
    Keywords Medicine (General) ; R5-920
    Language English
    Publishing date 2023-05-01T00:00:00Z
    Publisher SAGE Publishing
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: Tips to avoid complications related to direct cannulation of the axillary artery.

    Murakami, Takashi / Hosono, Mitsuharu / Shibata, Toshihiko

    Asian cardiovascular & thoracic annals

    2018  Volume 26, Issue 3, Page(s) 250–251

    MeSH term(s) Axillary Artery ; Cardiopulmonary Bypass ; Catheterization ; Catheterization, Peripheral
    Language English
    Publishing date 2018-01-12
    Publishing country England
    Document type Letter ; Comment
    ZDB-ID 1400468-9
    ISSN 1816-5370 ; 0218-4923
    ISSN (online) 1816-5370
    ISSN 0218-4923
    DOI 10.1177/0218492318754742
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: [Long-term results of coronary artery bypass grafting using radial artery graft].

    Hosono, Mitsuharu / Shibata, Toshihiko

    Nihon rinsho. Japanese journal of clinical medicine

    2016  Volume 74 Suppl 4 Pt 1, Page(s) 482–486

    MeSH term(s) Autografts ; Coronary Artery Bypass/methods ; Follow-Up Studies ; Humans ; Radial Artery/transplantation
    Language Japanese
    Publishing date 2016-06-20
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 390903-7
    ISSN 0047-1852
    ISSN 0047-1852
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: [Coronary artery bypass grafting for patients with liver dysfunction].

    Hosono, Mitsuharu / Suehiro, Shigefumi

    Nihon rinsho. Japanese journal of clinical medicine

    2016  Volume 74 Suppl 4 Pt 1, Page(s) 511–515

    MeSH term(s) Coronary Artery Bypass/methods ; Humans ; Liver Diseases/complications ; Liver Diseases/diagnosis
    Language Japanese
    Publishing date 2016-06-20
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 390903-7
    ISSN 0047-1852
    ISSN 0047-1852
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Trunk Muscle Cross-Sectional Area as a Predictive Factor for Length of Postoperative Hospitalization after Surgical Aortic Valve Replacement.

    Taniguchi, Naoki / Hosono, Mitsuharu / Kuwauchi, Shintaro / Yasumoto, Hiroshi / Kawazoe, Kohei

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

    2020  Volume 26, Issue 3, Page(s) 151–157

    Abstract: Purpose: We investigated the utility of trunk muscle cross-sectional area to predict length of hospitalization after surgical aortic valve replacement (AVR) for aortic stenosis (AS).: Methods: Adult AS patients who underwent isolated AVR at a single ... ...

    Abstract Purpose: We investigated the utility of trunk muscle cross-sectional area to predict length of hospitalization after surgical aortic valve replacement (AVR) for aortic stenosis (AS).
    Methods: Adult AS patients who underwent isolated AVR at a single institution were studied. The cross-sectional area of the erector spinae muscles (ESM) at the first and second lumbar vertebrae and that of the psoas muscle (PM) at the third and fourth lumbar vertebrae were measured on preoperative computed tomography (CT). Each was indexed to body surface area. Risk factors for prolonged postoperative hospitalization (>3 weeks) were assessed using multivariate regression analyses.
    Results: Of 56 patients (mean age 76 ± 9 years; 25 men), 20 (35.7%) patients required prolonged hospitalization. A smaller indexed ESM cross-sectional area at the first lumbar vertebra (per 1 cm/m
    Conclusion: The cross-sectional area of the trunk muscles can be used to identify patients at risk for prolonged hospitalization after AVR for adult AS.
    MeSH term(s) Aged ; Aged, 80 and over ; Aortic Valve/diagnostic imaging ; Aortic Valve/physiopathology ; Aortic Valve/surgery ; Aortic Valve Stenosis/diagnostic imaging ; Aortic Valve Stenosis/physiopathology ; Aortic Valve Stenosis/surgery ; Back Muscles/diagnostic imaging ; Back Muscles/physiopathology ; Body Composition ; Female ; Health Status ; Heart Valve Prosthesis Implantation/adverse effects ; Humans ; Length of Stay ; Male ; Predictive Value of Tests ; Psoas Muscles/diagnostic imaging ; Psoas Muscles/physiopathology ; Retrospective Studies ; Risk Factors ; Sarcopenia/diagnostic imaging ; Sarcopenia/physiopathology ; Time Factors ; Tomography, X-Ray Computed ; Treatment Outcome
    Language English
    Publishing date 2020-01-29
    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.19-00261
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Utility of Ultrasonographic Assessment of Distal Femoral Arterial Flow during Minimally Invasive Valve Surgery.

    Hosono, Mitsuharu / Yasumoto, Hiroshi / Kuwauchi, Shintaro / Mitsunaga, Yoshino / Kanemoto, Shinya / Minato, Naoki / Kawazoe, Kohei

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

    2021  Volume 27, Issue 6, Page(s) 389–394

    Abstract: Purpose: To evaluate the utility of ultrasonographic assessment of blood flow to the lower limb below the cannulation site in minimally invasive cardiac surgery (MICS).: Methods: Twenty-two patients who underwent ultrasonographic assessment in MICS ... ...

    Abstract Purpose: To evaluate the utility of ultrasonographic assessment of blood flow to the lower limb below the cannulation site in minimally invasive cardiac surgery (MICS).
    Methods: Twenty-two patients who underwent ultrasonographic assessment in MICS were reviewed retrospectively. In all patients, the right femoral artery was used for arterial cannulation. Ultrasonographic assessment was performed using a 15-MHz ultrasonography small probe, and regional oxygen saturation was monitored by near-infrared spectroscopy (NIRS).
    Results: The mean flow velocity at the distal side of the cannulation site was 46.2 ± 25.4 cm/s. In six patients, a >40% decreased from baseline regional oxygen saturation was observed. In five of the six patients, the flow velocity was very slow, and spontaneous echo contrast was also observed in three cases. Their regional oxygen saturation was improved rapidly after distal leg perfusion. In the remaining case, the flow velocity was not decreased. In another one case, the stenosis at the cannulation site was detected after decannulation and repaired immediately. No limb ischemic complications were observed in this series.
    Conclusion: Ultrasonographic assessment combined with the NIRS monitoring is useful to prevent lower limb ischemic complications after femoral arterial cannulation in MICS.
    MeSH term(s) Blood Flow Velocity/physiology ; Femoral Artery/diagnostic imaging ; Femoral Artery/physiology ; Femoral Artery/surgery ; Humans ; Minimally Invasive Surgical Procedures ; Oxygen Saturation ; Retrospective Studies ; Ultrasonography
    Language English
    Publishing date 2021-06-07
    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.21-00047
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Comprehensive Pain Control Strategy in Minimally Invasive Mitral Valve Repair.

    Hosono, Mitsuharu / Yasumoto, Hiroshi / Kuwauchi, Shintaro / Mitsunaga, Yoshino / Tomohiko, Uetsuki / Minato, Naoki / Kawazoe, Kohei

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

    2021  Volume 28, Issue 3, Page(s) 180–185

    Abstract: Purpose: The effect of our comprehensive strategy to reduce pain after minimally invasive mitral valve repair through a right mini-thoracotomy was assessed retrospectively.: Methods: Our comprehensive strategy constituted the following: planned rib ... ...

    Abstract Purpose: The effect of our comprehensive strategy to reduce pain after minimally invasive mitral valve repair through a right mini-thoracotomy was assessed retrospectively.
    Methods: Our comprehensive strategy constituted the following: planned rib cutting to avoid rib injury, sufficient intercostal muscle division to mobilize the cut rib, limiting the number of intercostal ports, avoiding nerve entrapment, continuous extra-pleural intercostal nerve block, and regular use of oral non-steroidal anti-inflammatory drugs. We compared patients treated with this comprehensive strategy (Group S, n = 13) and patients before this strategy was implemented (Group C, n = 13). We used a numerical rating scale (NRS) as a pain scale during the first 3 days postoperatively.
    Results: The average NRS was significantly lower in Group S (0.82 ± 0.49) than in Group C (2.40 ± 1.46) (P <0.01). The maximum NRS was also significantly lower in Group S (3.23 ± 1.17) than in Group C (5.69 ± 2.43) (P <0.01). The number of patients using additional single-dose analgesic were significantly less in Group S (23.1%) than in Group C (84.6%) (P <0.01).
    Conclusion: Our comprehensive pain control strategy effectively reduced postoperative pain in minimally invasive mitral valve repair.
    MeSH term(s) Humans ; Minimally Invasive Surgical Procedures ; Mitral Valve/diagnostic imaging ; Mitral Valve/surgery ; Pain/etiology ; Pain/surgery ; Pain Management/adverse effects ; Retrospective Studies ; Thoracotomy/adverse effects ; Treatment Outcome
    Language English
    Publishing date 2021-12-07
    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.21-00131
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Midterm Performance of the Autologous Adventitial Overlay Method in Aortic Surgery.

    Okada, Takayuki / Minato, Naoki / Zempo, Nobuya / Kanemoto, Shinya / Hosono, Mitsuharu / Kuwauchi, Shintaro / Uetsuki, Tomohiko / Kawaura, Takayuki / Kitawaki, Tomoki

    The Annals of thoracic surgery

    2022  Volume 117, Issue 2, Page(s) 345–352

    Abstract: Background: We developed an adventitial overlay method for reinforcing aortic anastomoses. This study evaluated the midterm morphologic and clinical outcomes of this method.: Methods: We harvested and prepared adventitia from a resected aneurysm or ... ...

    Abstract Background: We developed an adventitial overlay method for reinforcing aortic anastomoses. This study evaluated the midterm morphologic and clinical outcomes of this method.
    Methods: We harvested and prepared adventitia from a resected aneurysm or dissected aortic wall and performed aortic repair using the adventitial overlay method. At the midterm follow-up, we examined the differences between overlay, inversion, and felt sandwich methods by evaluating the morphologic features of the anastomosis on computed tomography scans. Moreover, we performed macroscopic evaluation of 1 patient who required a second operation.
    Results: Between May 2009 and April 2020, 160 consecutive patients (104 men, 56 women; mean age, 68.6 ± 11 years; range, 39-88 years) underwent thoracic aortic surgery. The overlay technique was successfully performed in 84 cases. The anastomosis sites of the overlay method maintained their morphologic appearance without any clinical complications. The inner diameter ratio of anastomosis/graft was measured by computed tomography, which revealed that the overlay method was not significantly different from inversion and was significantly larger than the felt sandwich method. There was no anastomotic stenosis in the proximal or distal overlay anastomosis. Only 1 patient required a second operation for an enlarged aneurysm of the distal false lumen. We observed that the proximal overlaid adventitia was smoothly attached to the native lumen and was macroscopically indistinguishable from the original intima.
    Conclusions: This study showed the midterm stability of the overlay technique. The midterm outcome was clinically acceptable. No anastomotic stenosis or pseudoaneurysm formation in either the true aortic aneurysm or dissection cases was observed.
    MeSH term(s) Male ; Humans ; Female ; Middle Aged ; Aged ; Adventitia/surgery ; Aortic Dissection/diagnostic imaging ; Aortic Dissection/surgery ; Treatment Outcome ; Blood Vessel Prosthesis Implantation/methods ; Constriction, Pathologic/surgery ; Aortic Aneurysm, Thoracic/surgery ; Retrospective Studies ; Stents
    Language English
    Publishing date 2022-09-29
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 211007-6
    ISSN 1552-6259 ; 0003-4975
    ISSN (online) 1552-6259
    ISSN 0003-4975
    DOI 10.1016/j.athoracsur.2022.09.030
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Posterior leaflet reconstruction using autologous pericardium in mitral repair.

    Hosono, Mitsuharu / Kuwauchi, Shintaro / Taniguchi, Naoki / Kawazoe, Kohei

    General thoracic and cardiovascular surgery

    2017  Volume 66, Issue 7, Page(s) 432–434

    Abstract: A 75-year-old woman experienced recurrent mitral regurgitation caused mainly by a shrunken and tethered posterior mitral leaflet with a dilated left ventricle. Posterior leaflet motion was severely restricted. We successfully resolved the tethering and ... ...

    Abstract A 75-year-old woman experienced recurrent mitral regurgitation caused mainly by a shrunken and tethered posterior mitral leaflet with a dilated left ventricle. Posterior leaflet motion was severely restricted. We successfully resolved the tethering and restored valve coaptation and competence using posterior leaflet reconstruction, which is a modified method of posterior leaflet augmentation using autologous pericardium. This technique can recover the posterior leaflet function by improving tissue volume and tethering.
    MeSH term(s) Aged ; Cardiac Surgical Procedures/methods ; Echocardiography ; Female ; Humans ; Mitral Valve/surgery ; Mitral Valve Insufficiency/surgery ; Pericardium/transplantation ; Reconstructive Surgical Procedures ; Transplantation, Autologous
    Language English
    Publishing date 2017-10-24
    Publishing country Japan
    Document type Case Reports ; Journal Article
    ZDB-ID 2376888-5
    ISSN 1863-6713 ; 1863-6705
    ISSN (online) 1863-6713
    ISSN 1863-6705
    DOI 10.1007/s11748-017-0851-4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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