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NAOKATA SUMITOMO M.D. JUNJI FUKUHARA M.D. HIDEO MUGISHIMA M.D. KAORU SUGI M.D. † 《Journal of cardiovascular electrophysiology》2009,20(7):818-821
Introduction: This is a rare case of antidromic reciprocating tachycardia developing 8 years after successful catheter ablation.
Result: A 15-year-old girl had recurrence of palpitations 8 years after the ablation of manifest right posteroseptal accessory pathway. Atrial burst pacing revealed Wenckebach atrioventricular conduction with preexcitation. Wide QRS tachycardia with identical morphology to sinus rhythm associated with retrograde His potential recorded immediately after the V-wave was induced by isoproterenol infusion. Atrial premature stimulus applied at the identical timing of His potential advanced the subsequent ventricular beat and His potential.
Conclusion: Catheter ablation may produce decremental accessory pathway conduction and rarely cause antidromic atrioventricular reciprocating tachycardia. This may be explained by a presence of "de novo" accessory pathway with decremental conduction properties that became manifest after the first ablation. 相似文献
Result: A 15-year-old girl had recurrence of palpitations 8 years after the ablation of manifest right posteroseptal accessory pathway. Atrial burst pacing revealed Wenckebach atrioventricular conduction with preexcitation. Wide QRS tachycardia with identical morphology to sinus rhythm associated with retrograde His potential recorded immediately after the V-wave was induced by isoproterenol infusion. Atrial premature stimulus applied at the identical timing of His potential advanced the subsequent ventricular beat and His potential.
Conclusion: Catheter ablation may produce decremental accessory pathway conduction and rarely cause antidromic atrioventricular reciprocating tachycardia. This may be explained by a presence of "de novo" accessory pathway with decremental conduction properties that became manifest after the first ablation. 相似文献
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SHIGEHARU HOSONO HIDEO MUGISHIMA MASAMI SHIMADA MICHIYOSHI MINATO TOMO OKADA SHIGERU TAKAHASHI KENSUKE HARADA 《Pediatrics international》2006,48(6):572-576
BACKGROUND: The purpose of the present paper was to detect the clinical factors most predictive of red blood cell (RBC) transfusion in extremely low-birthweight (ELBW) infants in the recombinant human erythropoietin era. METHODS: Between 1995 and 2000, 66 ELBW infants were admitted to a level III neonatal intensive care unit. Fifty-four of 66 infants were eligible for enrollment in the present study. Infants were treated with erythropoietin 200 IU/kg per dose s.c. twice a week with 4-6 mg/kg per day iron supplement. RESULTS: The mean gestational age and birthweight were 26.5 +/- 2.1 weeks and 776 +/- 134 g, respectively. Ten of 54 ELBW infants (18.5%) died during the first 21 days. Eight of 10 dead infants (80.0%) and 27 of 44 surviving infants (61.4%) received one or more RBC transfusions. The overall requirement for RBC transfusions in the surviving infants was 3.0 +/- 3.2 per infant/hospital course (range: 0-9) . There were significant differences in gestational weeks, birthweight, initial hemoglobin value, 5 min Apgar score, phlebotomy loss, phlebotomy loss/birthweight, duration of mechanical ventilation, duration of oxygen supplement, and incidence of both intraventricular hemorrhage and chronic lung disease between the transfused and non-transfused group. The predictive variables, initial hemoglobin level (odds ratio [OR] 2.61; 1 g/dL), birthweight (OR 3.00; 100 g), and gestational week (OR 1.89; 1 week), were found to be most predictive for transfusion on logistic regression analysis. CONCLUSION: ELBW infants are still the population at greatest risk for repeated blood transfusions after introduction of erythropoietin treatment. If labor develops, it is often impossible to extend the pregnancy period, therefore efforts should be made to increase hemoglobin level at birth. 相似文献
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HIDEO MUGISHIMA KENSUKE HARADA TAKASHI SUZUKI MOTOAKI CHIN TOSHIAKI SHIMADA MAYUMI TAKAMURA HIROYUKI SHICHINO TAKAHITO FUJISAWA MASATAKA ICHIKAWA MITSUMASA IWATA IKUO OKABE EIICHI SANUKI YOSHIAKI TANAKA NAOMI ONUMA MASAHIRO TANABE TAKAO OKAMATSU SHOICHI KOIZUMI TERUHO KAJIMOTO ISAO SERINE NOBORU OKADA JOTARO YOKOYAMA SYUNICHI KATO MORIHIRO SAEKI JUNICHI AKATSUKA ATSUSHI KIKUTA ICHIRO TSUKIMOTO HIDEYUKI KITO JUNICHI MIMAYA TAKEO FUJIMOTO MUTSURO OHIRA MICHIO KANEKO YOSHIAKI TSUCHIDA 《Pediatrics international》1995,37(4):493-499
Encouraging results are reported with high-dose chemotherapy and total body irradiation followed by autologous bone marrow transplantation in the treatment of advanced neuroblastoma. However, relapse remains a significant problem. We used high-dose chemotherapy, surgery, intraoperative radiation and an autologous bone marrow transplant treated in vitro to remove tumor cells followed by 13-cis-retinoic acid to treat 36 children with advanced neuroblastoma. This comprehensive treatment appears to improve the survival rate of patients with advanced neuroblastoma, including those with N-myc amplification and bony involvement. The disease-free survival rate was 66% (95% confidence interval, 49–84%) at 3 years. All patients who received 13-cis-retinoic acid developed cheilitis, but no bone marrow depression occurred in these patients. Five patients developed hemolytic uremic syndrome (HUS) post-transplant. This may have been related to the procedure used for total body irradiation. Patients who had their kidneys shielded during this procedure did not develop this syndrome. Patients who received local irradiation at the primary site showed no evidence of relapse in this region, indicating that such therapy may help to prevent a relapse. These data suggest a high rate of 3 year disease-free survival with this treatment strategy. The nonrandomized nature of the study and use of multiple modalities precludes analysis of the specific contribution of each. 相似文献
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SHINSAKU IMASHUKU SHIGEYOSHI HIBI SHINGO MORINAGA KAZUTAKA TAKAGI JIMING CHEN HIDEO MUGISHIMA TAKEFUMI ISHII MASAHIRO SAKO HIROKAZU ARAKAWA & MASAHIKO KATO 《British journal of haematology》1997,96(4):708-714
Five paediatric cases of haemophagocytic lymphohistiocytosis (HLH) which showed proliferation of granular atypical lymphocytoid cells in bone marrow are reported. All cases were girls aged 8 months to 4 years who had marked hepatosplenomegaly. Marker analysis on peripheral blood mononuclear cells revealed an increase in the CD3+ HLADR+ subset in three cases and the CD3− CD56+ subset in one case. An Epstein-Barr virus genome was detected in three cases, and monoclonality was confirmed in two cases. A characteristic morphology of large granular lymphocytes (LGL) was identified, with elongated bizarre features that resembled horsetail-, tadpole-, cucumber- or shooting star-type configurations on the bone marrow smear. Serum concentrations of soluble interleukin-2 receptor and interferon-gamma were elevated in all cases. All five cases required multi-agent chemotherapy which resulted in two complete remissions, two partial remissions and one no response. Refinement of treatment is required for these paediatric GLPD cases which probably comprise a specific high-risk subgroup among secondary HLH patients which had previously escaped notice. 相似文献
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MAYUMI TAKAMURA HIDEO MUGISHIMA TOSHIHITO NAGATA HIROYUKI SHICHINO TOSHIAKI SHIMADA TAKASHI SUZUKI MOTOAKI CHIN KENSUKE HARADA ZYUNICHIRO FUJIMOTO 《Pediatrics international》1995,37(4):541-544
We report on a 16 year old girl with relapsed Ki-1 lymphoma and a very poor prognosis. The initial manifestation was multiple bone metastases and lymphadenopathy. The patient achieved remission with modified adriamycin, bleomycin, vincristine, daunomycine therapy. However, 14 months after the completion of therapy, relapse occurred in a new cervical lymph node on the left side. After preparation with chemotherapy and total lymphoid irradiation (TLI) the patient underwent autologous bone marrow transplantation (A-BMT). Ki-1 lymphoma shows clinically diverse symptoms, but hematopoietic stem cell transplantation should be performed in relapsed cases. It may be effective to give TLI followed by A-BMT for patients such as ours who have lymph node involvement without bone marrow metastasis. 相似文献
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HIROYUKI SHICHINO HIDEO MUGISHIMA MAYUMI TAKAMURA TOSHIAKI SHIMADA TAKASHI SUZUKI MOTOAKI CHIN KENSUKE HARADA SIGEO RYO SEIJI KOJIMA 《Pediatrics international》1996,38(6):644-647
The main purpose of the present study was to determine the response rate to immunosuppressive therapy combined with recombinant human granulocyte-colony stimulating factor (rhG-CSF) and its efficacy for preventing infections in patients with severe aplastic anemia. The treatments included one course of antithymocyte globulin, cyclosporin A, methylprednisolone, danazole and rhG-CSF. Three patients had very severe aplastic anemia and two had moderate aplastic anemia. One patient relapsed 13 months following the first course of therapy and received a second course. Five patients received six courses of treatment and the response rate at 6 months was 83.3%. All patients achieved an absolute neutrophil count of greater than 1.0 × 109/L within 40 days. All patients with a complete response are transfusion-free and doing well. All five patients are currently alive and have not had any episode of infection for 17–53 months. The results of the study indicate that this therapy may improve the poor prognosis of young patients with severe aplastic anemia. It has a good response rate and induces a rather rapid increase in the neutrophil count, which protects against life-threatening bacterial and fungal infections. 相似文献
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MAYUMI TAKAMURA HIDEO MUGISHIMA MISATO OOWADA KENSUKE HARADA TOSHIKAZU UCHIDA 《Pediatrics international》1995,37(4):510-513
Glycogen storage disease type I (GSD-I) is an inherited disorder that is due to a glucose-6-phosphatase (G6Pase) deficiency. There have been recent reports of hepatocellular tumors in adults with this disease. Hepatic adenoma is the most common tumor described but others, including hepatocellular carcinomas, hepatoblastomas, and focal nodular hyperplasia (FNH) have been reported. FNH of the liver is a rare benign lesion that has been reported in eight patients with GSD-I. Three of these eight patients, in addition to the patient in our study, had been treated with portacaval shunts. When these patients were compared with patients who had not received such treatment, it appeared that the portacaval shunts may have induced the development of FNH and may have been associated with earlier complications. FNH is a benign tumor that may coexist with adjacent fibrolamillar carcinomas and/or adenomas and requires careful follow-up. 相似文献
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