Full Text Journal Articles by
Author Takuro Kojima

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Comparison of transcatheter patent ductus arteriosus closure between children and adults.

Jun Yasuhara, Toshiki Kuno, Takashi Kumamoto, Takuro Kojima, Hiroyuki Shimizu, Shigeki Yoshiba, Toshiki Kobayashi, Naokata Sumitomo,

The data comparing the characteristics and effect of transcatheter patent ductus arteriosus (PDA) closure between children and adults is scarce. We analyzed 54 consecutive patients who underwent transcatheter PDA closures. We divided the patients into 2 groups of < 18 years and ≥ 18 years and compared the hemodynamic changes before and after the PDA closure. ... Read more >>

Heart Vessels (Heart and vessels)
[2020, :]

Cited: 0 times

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Predictors of Early Postoperative Supraventricular Tachyarrhythmias in Children After the Fontan Procedure.

Jun Yasuhara, Toshiki Kuno, Moe Taki, Koichi Toda, Takashi Kumamoto, Takuro Kojima, Hiroyuki Shimizu, Shigeki Yoshiba, Toshiki Kobayashi, Naokata Sumitomo,

Postoperative arrhythmias are a frequent and fatal complication after the Fontan operation. However, clinical evidence demonstrating early postoperative arrhythmias in children undergoing the Fontan operation is limited. This study aimed to evaluate the prevalence of arrhythmias and identify the predictors of early postoperative supraventricular tachyarrhythmias (SVTs) after the Fontan procedure.Data ... Read more >>

Int Heart J (International heart journal)
[2019, 60(6):1358-1365]

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Early assessment of cardiac troponin I predicts the postoperative cardiac status and clinical course after congenital heart disease surgery.

Takuro Kojima, Koichi Toda, Takayuki Oyanagi, Shigeki Yoshiba, Toshiki Kobayashi, Naokata Sumitomo,

Cardiac troponin I (cTnI) is a regulatory protein with a high sensitivity and specificity for cardiac injury. Preoperative and postoperative elevations of cTnI are usually considered predictors of the mortality and morbidity. However, little is known about the relationship between the cTnI and postoperative course after the congenital heart disease ... Read more >>

Heart Vessels (Heart and vessels)
[2020, 35(3):417-421]

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Usefulness of Red Blood Cell Distribution Width in the Assessment of Hemodynamics After Tetralogy of Fallot Repair.

Takuro Kojima, Tomohiko Imamura, Yousuke Osada, Shouta Muraji, Marie Nakano, Takayuki Oyanagi, Shigeki Yoshiba, Toshiki Kobayashi, Naokata Sumitomo,

BACKGROUND:There are no reports on the effect of red blood cell distribution width (RDW) in surgical repair of tetralogy of Fallot (ToF). Methods and Results: A total of 50 patients who underwent cardiac catheterization after surgical repair of ToF were retrospectively assessed. RDW was positively correlated with the ratio of right ventricular ... Read more >>

Circ. J. (Circulation journal : official journal of the Japanese Circulation Society)
[2019, 83(4):818-823]

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The necessity of implantable cardioverter defibrillators in patients with Kearns-Sayre syndrome - systematic review of the articles.

Tomohiko Imamura, Naokata Sumitomo, Shota Muraji, Hitoshi Mori, Yousuke Osada, Takayuki Oyanagi, Takuro Kojima, Shigeki Yoshiba, Toshiki Kobayashi, Katsushige Ono,

The most common cardiac feature of Kearns-Sayre syndrome (KSS) is atrioventricular block (AVB), and pacemaker implantations (PMIs) are recommended for KSS patients with advanced AVB. However, some KSS patients develop fatal arrhythmias such as polymorphic ventricular tachycardia (PMVT) and ventricular fibrillation (VF) and die suddenly even after PMIs. We report ... Read more >>

Int. J. Cardiol. (International journal of cardiology)
[2019, 279:105-111]

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Successful radiofrequency catheter ablation of life-threatening atrial tachycardia in an infant with asplenia syndrome.

Jun Yasuhara, Takashi Kumamoto, Takuro Kojima, Hiroyuki Shimizu, Shigeki Yoshiba, Toshiki Kobayashi, Takayuki Oyanagi, Hiroyuki Yamagishi, Naokata Sumitomo,

A 1-year-old infant with asplenia syndrome and congenital heart disease consisting of common atrium, common inlet left ventricle with a common atrio-ventricular (AV) valve, pulmonary atresia, and total anomalous pulmonary venous connection was admitted to our hospital for radiofrequency catheter ablation (RFCA) of supraventricular tachycardia (SVT) before total cavo-pulmonary connection. ... Read more >>

J Cardiol Cases (Journal of cardiology cases)
[2019, 19(1):1-4]

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Efficacy of catheter interventions in the early and very early postoperative period after CHD operation.

Takuro Kojima, Tomohiko Imamura, Yousuke Osada, Shouta Muraji, Marie Nakano, Takayuki Oyanagi, Shigeki Yoshiba, Toshiki Kobayashi, Naokata Sumitomo,

BACKGROUND:Catheter interventions for residual lesions in the early postoperative period after CHD operations are still not established as a reliable treatment option. METHODS:We retrospectively reviewed our institutional experience of cardiac catheterisations and catheter interventions performed in the early postoperative period. We classified our patients into two groups. The "hyper" acute ... Read more >>

Cardiol Young (Cardiology in the young)
[2018, 28(12):1426-1430]

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Pathogenesis and Bone Resorption in Acquired Cholesteatoma: Current Knowledge and Future Prospectives.

Mahmood A Hamed, Seiichi Nakata, Ramadan H Sayed, Hiromi Ueda, Badawy S Badawy, Yoichi Nishimura, Takuro Kojima, Noboru Iwata, Ahmed R Ahmed, Khalid Dahy, Naoki Kondo, Kenji Suzuki,

Cholesteatoma is a cystic non tumorous lesion of the temporal bone that has the ability to destroy nearby structures by its power to cause bone resorption and as a result, fatal complications prevail. We aimed to conduct a comprehensive review for pathogenesis of acquired cholesteatoma, bone resorption mechanisms, and offer ... Read more >>

Clin Exp Otorhinolaryngol (Clinical and experimental otorhinolaryngology)
[2016, 9(4):298-308]

Cited: 5 times

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Successful emergent coil embolization of an inferior epigastric artery perforation in a neonate.

Takuro Kojima, Shigeki Yoshiba, Toshiki Kobayashi, Takashi Kumamoto, Ami Cho, Jun Yasuhara, Hiroyuki Shimizu, Naokata Sumitomo,

A 28-day-old neonate with a postoperative ventricular septal defect and coarctation of aorta suffered from a right inferior epigastric artery perforation at the time of a central venous catheter placement. It resulted in a rapid and extreme hemoglobin decrease and decrease in the systolic blood pressure. The contrast computed tomography ... Read more >>

J Cardiol Cases (Journal of cardiology cases)
[2016, 14(4):103-106]

Cited: 0 times

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Volumes of Velopharyngeal and Glossopharyngeal Airway Were Not Changed after Uvulopalatopharyngoplasty: Report of Three Cases.

Yoichi Nishimura, Naoko Fujii, Takahisa Yamamoto, Mahmood A Hamed, Misato Nishimura, Takuro Kojima, Noboru Iwata, Kenji Suzuki, Seiichi Nakata,

Objective. The aim of this study was to investigate the changes in velopharyngeal and glossopharyngeal airway morphology and volume after uvulopalatopharyngoplasty in three adult obstructive sleep apnea syndrome patients who had bilateral large tonsils using three-dimensional computed tomography. Case Report. All three patients (one male and two females) who presented ... Read more >>

Case Rep Otolaryngol (Case reports in otolaryngology)
[2016, 2016:9378428]

Cited: 1 time

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Usefulness of the Red Blood Cell Distribution Width to Predict Heart Failure in Patients With a Fontan Circulation.

Takuro Kojima, Jun Yasuhara, Takashi Kumamoto, Hiroyuki Shimizu, Shigeki Yoshiba, Toshiki Kobayashi, Naokata Sumitomo,

The red blood cell distribution width (RDW) is a quantitative measure of the variability in the size of circulating erythrocytes. We aimed to study whether higher levels of the RDW were associated with heart failure in a Fontan circulation and to analyze its clinical value compared to brain natriuretic peptide. ... Read more >>

Am. J. Cardiol. (The American journal of cardiology)
[2015, 116(6):965-968]

Cited: 6 times

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Aortic root dilatation and aortic stiffness in patients with single ventricular circulation.

Takuro Kojima, Seiko Kuwata, Clara Kurishima, Yoichi Iwamoto, Hirofumi Saiki, Hirotaka Ishido, Satoshi Masutani, Hideaki Senzaki,

BACKGROUND:This study tested the hypothesis that aortic stiffness is increased more in patients with single ventricular (SiV) circulation and dilated aorta than in those without aortic dilatation, and that aortic stiffness is an independent determinant of aortic dilatation in this type of patient. METHODS AND RESULTS:Pulse wave velocity (PWV) and ... Read more >>

Circ. J. (Circulation journal : official journal of the Japanese Circulation Society)
[2014, 78(10):2507-2511]

Cited: 5 times

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Clostridium difficile colitis induced by long-term low-dosage erythromycin.

Masato Arao, Satoshi Masutani, Takuro Kojima, Hirofumi Saiki, Hirotaka Ishido, Masanori Tamura, Hideaki Senzaki,

Pediatr. Infect. Dis. J. (The Pediatric infectious disease journal)
[2013, 32(9):1042-1043]

Cited: 1 time

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Usefulness of cystatin C in the postoperative management of pediatric patients with congenital heart disease.

Akiko Yana, Satoshi Masutani, Takuro Kojima, Hirofumi Saiki, Mio Taketazu, Masanori Tamura, Hideaki Senzaki,

BACKGROUND:The characteristics of the renal marker cystatin C (Cys-C) in association with the postoperative management of children with congenital heart disease (CHD) remain unclear. METHODS AND RESULTS:Serum Cys-C and creatinine (Cr) levels were measured preoperatively and on the third postoperative day in 53 consecutive CHD patients (age, 1 day-11 years). ... Read more >>

Circ. J. (Circulation journal : official journal of the Japanese Circulation Society)
[2013, 77(3):667-672]

Cited: 3 times

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Marked disparity in mechanical wall properties between ascending and descending aorta in patients with tetralogy of Fallot.

Hirofumi Saiki, Takuro Kojima, Mitsuru Seki, Satoshi Masutani, Hideaki Senzaki,

OBJECTIVES: Recent studies have linked abnormal aortic medial pathology to progressive aortic root dilatation in patients with tetralogy of Fallot (TOF). To explore whether the aortic medial pathology in TOF is linked to aortic mechanical property, the present study tested the hypothesis that the distribution of impaired aortic elasticity corresponds ... Read more >>

Eur J Cardiothorac Surg (European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery)
[2012, 41(3):570-573]

Cited: 9 times

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Subventricular zone-derived neural progenitor cells migrate along a blood vessel scaffold toward the post-stroke striatum.

Takuro Kojima, Yuki Hirota, Masatsugu Ema, Satoru Takahashi, Ichiro Miyoshi, Hideyuki Okano, Kazunobu Sawamoto,

The subventricular zone (SVZ) of the adult brain contains neural stem cells that have the capacity to regenerate new neurons after various insults. Brain ischemia causes damage to brain tissue and induces neural regeneration together with angiogenesis. We previously reported that, after ischemic injury in mice, SVZ-derived neural progenitor cells ... Read more >>

Stem Cells (Stem cells (Dayton, Ohio))
[2010, 28(3):545-554]

Cited: 133 times

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Epigenetic regulation of neural cell differentiation plasticity in the adult mammalian brain.

Jun Kohyama, Takuro Kojima, Eriko Takatsuka, Toru Yamashita, Jun Namiki, Jenny Hsieh, Fred H Gage, Masakazu Namihira, Hideyuki Okano, Kazunobu Sawamoto, Kinichi Nakashima,

Neural stem/progenitor cells (NSCs/NPCs) give rise to neurons, astrocytes, and oligodendrocytes. It has become apparent that intracellular epigenetic modification including DNA methylation, in concert with extracellular cues such as cytokine signaling, is deeply involved in fate specification of NSCs/NPCs by defining cell-type specific gene expression. However, it is still unclear ... Read more >>

Proc. Natl. Acad. Sci. U.S.A. (Proceedings of the National Academy of Sciences of the United States of America)
[2008, 105(46):18012-18017]

Cited: 44 times

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