1.A Case of Mitral Valve Re-replacement Combined with Idiopathic Thrombocytopenic Purpura.
Hideo YOSHIDA ; Kenji SANGAWA ; Yutaka SAKAKIBARA ; Kohtaroh SUEHIRO ; Masahiro OKADA ; Takeshi SHICHIJOH ; Osamu OHBA
Japanese Journal of Cardiovascular Surgery 1993;22(4):372-375
Cardiac surgery associated with idiopathic thrombocytopenic purpura (ITP) is rare, and only 10 cases have been reported in the literature. In this report, we described the successful surgical management of a patient with ITP, diabetes mellitus and malfunction of mitral bioprosthetic valve. A 62-year-old male, who underwent mitral valve replacement (MVR) by means of a Carpentier-Edwards valve prosthesis and CABG ten years ago, developed malfunction of mitral prosthetic valve. The preoperative platelet count was 52, 000/mm3 and PA-IgG elevated markedly. The diagnosis of ITP was based on findings of bone marrow examinations. Thrombocytopenia was treated by steroids for 4 weeks and large dose γ-globulin (20g/day) for 5 days preoperatively, but platelet count did not increase. Platelet rich plasma (PRP) was transfused prior to cardiopulmonary bypass (CPB) and fresh blood was added to the priming material of CPB. Re-MVR was performed by means of mechanical valve prosthesis. After operation, large doses of γ-globulin and transfusion of PRP were performed for 3 days, and the postoperative course was uneventful. Other reports in addition to this study reveal that cases of cardiac surgery associated with ITP should be initially controlled preoperatively with steroids or high-dose γ-globulin, and if these treatments are harmful or ineffective, splenectomy should be considered.
2.Left Atrial Aneurysm Complicated with Mitral Regurgitation and Severe Heart Failure
Masahiro Mizumoto ; Tetsuro Uchida ; Yukihiro Yoshimura ; Cholsu Kim ; Yoshiyuki Maekawa ; Ryota Miyazaki ; Eichi Ohba ; Shuto Hirooka ; Takumi Yasumoto ; Mitsuaki Sadahiro
Japanese Journal of Cardiovascular Surgery 2013;42(4):333-336
Left atrial aneurysm (LAA) is extremely rare. We report a surgical case of LAA complicated with mitral regurgitation (MR) and severe heart failure. A 71-year-old man presented dyspnea and leg edema, followed by congestive heart failure. Transthoracic echocardiogram (TTE) showed moderate MR, deteriorated left ventricular function, and echo free space connecting to the posterior wall of the left atrium. Three-dimensional reconstruction of computed tomography (3D-CT) clearly showed the whole shape of the LAA and its location relating to surrounding structures. LAA was 5×6 cm, expanding to apex side, and originated from the posterior wall of left atrium between circumflex branch of the left coronary artery and coronary sinus. LAA wall extended to the mitral posterior annulus, causing annular deformity and MR. Mitral valve plasty and aneurysmorrhaphy were performed. Biventricular pacing leads were implanted for cardiac resynchronization therapy, because of severe heart failure. Postoperative 3D-CT showed reduction of the LAA with no deformity of coronary vessels. No MR was detected by postoperative TTE. The patient has recovered without any complication after our treatments.
3.Additive effect of rikkunshito, an herbal medicine, on chemotherapy-induced nausea, vomiting, and anorexia in uterine cervical or corpus cancer patients treated with cisplatin and paclitaxel: results of a randomized phase II study (JORTC KMP-02).
Shunsuke OHNISHI ; Hidemichi WATARI ; Maki KANNO ; Yoko OHBA ; Satoshi TAKEUCHI ; Tempei MIYAJI ; Shunsuke OYAMADA ; Eiji NOMURA ; Hidenori KATO ; Toru SUGIYAMA ; Masahiro ASAKA ; Noriaki SAKURAGI ; Takuhiro YAMAGUCHI ; Yasuhito UEZONO ; Satoru IWASE
Journal of Gynecologic Oncology 2017;28(5):e44-
OBJECTIVE: Rikkunshito, an herbal medicine, is widely prescribed in Japan for the treatment of anorexia and functional dyspepsia, and has been reported to recover reductions in food intake caused by cisplatin. We investigated whether rikkunshito could improve chemotherapy-induced nausea and vomiting (CINV) and anorexia in patients treated with cisplatin. METHODS: Patients with uterine cervical or corpus cancer who were to receive cisplatin (50 mg/m² day 1) and paclitaxel (135 mg/m² day 0) as first-line chemotherapy were randomly assigned to the rikkunshito group receiving oral administration on days 0–13 with standard antiemetics, or the control group receiving antiemetics only. The primary endpoint was the rate of complete control (CC: no emesis, no rescue medication, and no significant nausea) in the overall phase (0–120 hours). Two-tailed p<0.20 was considered significant in the planned analysis. RESULTS: The CC rate in the overall phase was significantly higher in the rikkunshito group than in the control group (57.9% vs. 35.3%, p=0.175), as were the secondary endpoints: the CC rate in the delayed phase (24–120 hours), and the complete response (CR) rates (no emesis and no rescue medication) in the overall and delayed phases (63.2% vs. 35.3%, p=0.095; 84.2% vs. 52.9%, p=0.042; 84.2% vs. 52.9%, p=0.042, respectively), and time to treatment failure (p=0.059). Appetite assessed by visual analogue scale (VAS) appeared to be superior in the rikkunshito group from day 2 through day 6. CONCLUSION: Rikkunshito provided additive effect for the prevention of CINV and anorexia.
Administration, Oral
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Anorexia*
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Antiemetics
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Appetite
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Cisplatin*
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Drug Therapy
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Dyspepsia
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Eating
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Herbal Medicine*
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Humans
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Japan
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Nausea*
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Paclitaxel*
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Time-to-Treatment
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Vomiting*
4.The Attempt to Develop a "Model Program" on the Basis of the Objectives Established by the Ministry of Health, Labour and Welfare in the New Postgraduate Clinical Training System
Kazuhiko KIKAWA ; Masahiro TANABE ; Kiyoshi KITAMURA ; Hayato KUSAKA ; Masamune SHIMO ; Katsusada TAKAHASHI ; Yujiro TANAKA ; Tadashi MATSUMURA ; Takao MORITA ; Kunihiko MATSUI ; Takashi OHBA ; Hirotsugu KOHROGI ; Osamu SHIMODA ; Taichi TAKEDA ; Junichi TANIGUCHI ; Tatsuya TSUJI ; Hiroyuki HATA
Medical Education 2006;37(6):367-375
Clinical training programs play an extremely important role in the new postgraduate clinical training system introduced in 2004 because facilities for clinical training now include various health-related institutions in addition to the university hospitals and special hospitals for clinical training used in the previous system. Although educational goals have been established by the Ministry of Health, Labour and Welfare, trainees may have difficulty achieving these goals, even under the guidance of staff at the various facilities. There are differences in the function and quality of health-related institutions in the community. For the practical and convenient application of educational goals, we have attempted develop a “model program” to supplement the objectives indicated by the learning goals with more specific objectives. These supplementary objectives can be modified by individual institutions. We hope that this “model program” contributes to the development of objectives for each institution and helps improve the quality of the postgraduate training system in Japan.
5.Investigation of the Appropriate Threshold for Warning Dosage and Development of a Predictive Logistic Regression Model to Detect Dose- Error of Prednisolone Tablets
Hiroyasu SATO ; Yoshinobu KIMURA ; Masahiro OHBA ; Yoshiaki ARA ; Susumu WAKABAYASHI ; Hiroko NOMURA ; Hiroaki WATANABE
Japanese Journal of Drug Informatics 2023;25(3):157-163
Objective: The wrong dose of high-risk drugs such as oral steroids is a serious issue that needs to be addressed. This study aims to determine the appropriate upper tolerable dose threshold and to develop a multi-variable logistic regression model to detect dose-errors in oral prednisolone tablets.Methods: Data on Prednisolone prescriptions were obtained from a single center. Out of the data collected, positive cases consisted of cases where dose-related modifications were made. A univariate logistic regression model was developed with the current daily dose. In the model, the Youden Index was used to determine the upper tolerable dose threshold. The investigation was done to determine whether the performance of the multivariate model was improved by adding clinical department and previous prescription information as variables.Results: Univariate models (AUC: 0.645) with only current daily doses and estimated optimal thresholds of 6 mg/day or 11 mg/day, respectively were determined to be appropriate. Including variables improved the performance of the predictive model; the best performing model (AUC: 0.840) was derived when the following variables were entered: “current daily dose,” “current prescription days,” “clinical department,” “daily dose of the previous prescription,” and “prescription days of the previous prescription”.Conclusion: A single upper tolerance limit is insufficient to determine dose adequacy for prednisolone tablets owing to their broad clinical dose range. Itmay be possible to develop a high-performance dose audit support model by adding information.
6.Treatment Strategy for Leriche Syndrome Complicated with Ischemic Heart Disease
Jun HAYASHI ; Tetsuro UCHIDA ; Yoshinori KURODA ; Eiichi OHBA ; Masahiro MIZUMOTO ; Atsushi YAMASHITA ; Shingo NAKAI ; Kimihiro KOBAYASHI ; Tomonori OCHIAI
Japanese Journal of Cardiovascular Surgery 2021;50(4):283-286
Leriche syndrome is often complicated with ischemic heart disease (IHD). In such cases, as the internal mammary artery (IMA) supplies blood to the lower-limbs through a collateral network, coronary artery bypass grafting (CABG) using IMA is considered to worsen the lower-limb ischemia and use of intra-aortic balloon pumping prior to lower limb revascularization is not possible. Recent advances in endovascular technology enable us to perform endovascular treatment (EVT) even in Leriche syndrome. In 3 patients diagnosed with Leriche syndrome associated with IHD, tailor-made treatments were performed as one-stage or two-stage surgeries. Various techniques such as percutaneous coronary intervention (PCI), CABG, and open surgical revascularization or EVT of lower limbs were employed. EVT is a less invasive and more attractive alternative to open surgical revascularization, it led to new treatment options in patients with this particular circumstance. Considering the severity of pathophysiology, treatment strategy should be determined on a case-by-case basis.
7.Questionnaire Survey on Human Resources and Operational Conditions Associated with Drug Information (DI) Services in Medical Institutions
Takeshi UCHIKURA ; Takamasa SAKAI ; Noriko SAKAKIBARA ; Atsushi DAIKOH ; Masahiro OHBA ; Eriko SUGAYA ; Sumire SUZUKI ; Miho OHTAKE ; Susumu WAKABAYASHI
Japanese Journal of Drug Informatics 2024;26(1):8-18
Objective: The purpose of this survey is to identify the individuals responsible for providing drug information (DI) services in medical institutions across the nation and understand their work conditions. Method: This survey was conducted across medical institutions nationwide, each with at least 200 general hospital beds. The survey focused on personnel in charge of DI services at medical institutions. Results: Responses were collected from 181 facilities, representing a response rate of 13.7%. The median number of full-time equivalent DI personnel at each facility was 1.2 (ranging from 0.2 to 7 (n = 180)). Among the respondents, 90 (49.7%) individuals learned their DI responsibilities from their predecessors, 81 (44.8%) individuals learned through participation in academic societies (excluding the Japanese Society for Drug Information), and 61 (33.7%) individuals gained their knowledge from academic journals, with these methods listed in their order of prevalence. The most sought-after knowledge and skills for DI personnel included the knowledge of adverse drug reaction reporting system (134 (74.0%)), basic PC skills (130 (71.8%)), knowledge of medical fees (128 (70.7%)), and expertise in disease treatment methods (125 (69.1%)). Results and Conclusion: The findings of the survey revealed that several medical institutions with 200 or more beds have only one or two individuals in charge of DI duties. Apart from their core role in drug information, the DI staff members are expected to possess extensive knowledge concerning medical fees and related matters. However, they predominantly rely on their skills for DI operations. The tasks identified in the survey are tasks that are presently being performed by DI personnel at medical institutions. This underscores the pressing need for immediate attention to be given to acquiring the essential knowledge and education required for these tasks.