Full Text Journal Articles by
Author Toshiki Kobayashi

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Efficacy of a Subcutaneous Implantable Cardioverter Defibrillator in a Child with Early Repolarization Syndrome.

Moe Taki, Shota Muraji, Hitoshi Mori, Taisuke Nabeshima, Koich Toda, Yoichi Iwamoto, Satoshi Masutani, Takuro Kojima, Shigeki Yoshiba, Toshiki Kobayashi, Naokata Sumitomo,

An early repolarization (ER) pattern or J waves are considered to be a benign finding observed in the healthy population, however, it has been pointed out that the ER pattern seen in the inferolateral leads could be an independent risk factor for fatal arrhythmias. We present a pediatric case in ... Read more >>

Int Heart J (International heart journal)
[2021, :]

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Ultrahigh density atrio-ventricular dual-chamber mapping as a next generation tool for ablation of accessory pathways.

Hitoshi Mori, Daisuke Kawano, Naokata Sumitomo, Shota Muraji, Taisuke Nabeshima, Kenta Tsutsui, Yoshifumi Ikeda, Shiro Iwanaga, Shintaro Nakano, Toshihiro Muramatsu, Toshiki Kobayashi, Ritsushi Kato, Kazuo Matsumoto,

<h4>Introduction</h4>Detailed three-dimensional (3D) mapping has been useful for effective radiofrequency catheter ablation. The Rhythmia system can create atrio-ventricular dual-chamber mapping, which reveals the atrial and ventricular potentials all at once in the same map. The aim of this study was to investigate the utility of mapping the atrium and ventricle ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2021, 32(7):1877-1883]

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Contribution of Plantar Fascia and Intrinsic Foot Muscles in a Single-Leg Drop Landing and Repetitive Rebound Jumps: An Ultrasound-Based Study.

Masanori Morikawa, Noriaki Maeda, Makoto Komiya, Arisu Hirota, Rami Mizuta, Toshiki Kobayashi, Kazuki Kaneda, Yuichi Nishikawa, Yukio Urabe,

The plantar fascia and intrinsic foot muscles (IFM) modulate foot stiffness. However, it is unclear whether the corresponding ultrasonography findings reflect it. This study aimed to examine the effect of the plantar fascia and IFM morphologies on force attenuation during landing and reactivity when jumping in healthy adults (<i>n</i> = ... Read more >>

Int J Environ Res Public Health (International journal of environmental research and public health)
[2021, 18(9):]

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Successful Percutaneous Thrombectomy of the Left Pulmonary Artery in a Neonate After a Patent Ductus Arteriosus Clipping.

Shota Muraji, Toshiki Kobayashi, Shuntaro Oka, Takuro Kojima, Shigeki Yoshiba, Masayo Kanai, Hirotaka Ishido, Satoshi Masutani, Ryusuke Hosoda, Ayumu Masuoka, Takaaki Suzuki, Naokata Sumitomo,

We report a neonate with a successful percutaneous thrombectomy of a total thrombotic occlusion of the left pulmonary artery (LPA) after a surgical clipping for a patent ductus arteriosus (PDA). We suspected the compression of the LPA by the clipping and postoperative hemodynamic instability caused the LPA obstruction. After the ... Read more >>

Int Heart J (International heart journal)
[2021, 62(3):706-709]

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Metabologenomic approach reveals intestinal environmental features associated with barley-induced glucose tolerance improvements in Japanese cohort: a randomized controlled trial

Yuka Goto, Yuichiro Nishimoto, Shinnosuke Murakami, Tatsuhiro Nomaguchi, Yuka Mori, Masaki Ito, Ryohei Nakaguro, Toru Kudo, Tsubasa Matsuoka, Takuji Yamada, Toshiki Kobayashi, Shinji Fukuda,

Consumption of barley has been known to exert beneficial effects on metabolic disorders; however, it has also been reported that there are inter-individual differences in these responses. Recent evidence has suggested that these individual differences are mediated by the gut microbiota. Therefore, in the present study, we aimed to understand ... Read more >>

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Intrinsic foot muscle hardness is related to dynamic postural stability after landing in healthy young men.

Noriaki Maeda, Arisu Hirota, Makoto Komiya, Masanori Morikawa, Rami Mizuta, Hironori Fujishita, Yuichi Nishikawa, Toshiki Kobayashi, Yukio Urabe,

<h4>Background</h4>The human foot has competent mechanisms for supporting weight and adapting movement to various surfaces; in particular, the toe flexor muscles aid in supporting the foot arches and may be important contributors to postural stability. However, the role of intrinsic foot muscle morphology and structure in the postural control system ... Read more >>

Gait Posture (Gait & posture)
[2021, 86:192-198]

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Ultra-high Density Atrio-Ventricular Dual Chamber Mapping, as a Next Generation Tool for the Ablation of Accessory Pathways

Hitoshi Mori, Daisuke Kawano, Naokata Sumitomo, Shota Muraji, Taisuke Nabeshima, Kenta Tsutsui, Yoshifumi Ikeda, Shiro Iwanaga, Shintaro Nakano, Toshihiro Muramatsu, Toshiki Kobayashi, Ritsushi Kato, Kazuo Matsumoto,

<h4>Introduction: </h4> Detail 3D mapping have been useful for effective radiofrequency catheter ablation. Rhythmia system can create the atrio-ventricular dual chamber mapping, which reveals the atrial and ventricular potentials all at once in the same map. The aim of this study was to investigate the utility of Rhythmia system for ... Read more >>

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Efficacy and safety of tolvaptan after pediatric congenital heart disease surgery.

Takuro Kojima, Azusa Kanai, Shigeki Yoshiba, Toshiki Kobayashi, Naokata Sumitomo,

It is not clear whether tolvaptan is safe and effective irrespective of various underlying clinical conditions including the functional ventricle morphology, chromosomal abnormalities, and renal function after complex pediatric congenital heart disease surgery. Also, the appropriate dose of tolvaptan in these patients has not been previously identified. We retrospectively assessed ... Read more >>

Heart Vessels (Heart and vessels)
[2021, 36(5):717-723]

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Unilateral above-knee amputees achieve symmetric mediolateral ground reaction impulse in walking using an asymmetric gait strategy.

Genki Hisano, Satoru Hashizume, Toshiki Kobayashi, Matthew J Major, Motomu Nakashima, Hiroaki Hobara,

The ability to sustain steady straight-ahead walking is one goal of gait rehabilitation for individuals with unilateral above-knee (UAK) amputation. Despite the morphological and musculoskeletal asymmetry resulting from unilateral limb loss, the mediolateral ground-reaction-impulse (GRI) should be counterbalanced between the affected and unaffected limbs during straight-ahead walking. Therefore, we investigated ... Read more >>

J Biomech (Journal of biomechanics)
[2021, 115:110201]

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Association between falling direction and age in older patients with hip fractures.

Masanori Morikawa, Yukio Urabe, Noriaki Maeda, Yuta Suzuki, Sasadai Junpei, Toshiki Kobayashi, Taizan Shirakawa,

<h4>Background</h4>The incidence of fall-related hip fractures in old patients aged over 85 years was reported to be higher than that in old patients aged between 65 and 84 years; however, there are no known studies that reported differences of these age groups with respect to the falling situation.<h4>Objective</h4>This study investigated the association ... Read more >>

Z Gerontol Geriatr (Zeitschrift fur Gerontologie und Geriatrie)
[2020, :]

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Late recovery of the cardiopulmonary exercise capacity after transcatheter amplatzer device closures for atrial septal defects in adults.

Shigeki Yoshiba, Takuro Kojima, Takayuki Oyanagi, Koichi Toda, Yousuke Osada, Shota Muraji, Tomohiko Imamura, Shintaro Nakano, Shigeru Makita, Toshiki Kobayashi, Naokata Sumitomo,

Transcatheter atrial septal defect (ASD) closures using an Amplatzer Septal Occluder (ASO) have been widely performed. Compared to children, we sometimes experience late recovery of exercise performance in adult patients. Our study aimed to evaluate the change in the cardiopulmonary exercise capacity in asymptomatic or mildly symptomatic adult patients after ... Read more >>

Heart Vessels (Heart and vessels)
[2021, 36(5):710-716]

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Effects of β-glucan Rich Barley Flour on Glucose and Lipid Metabolism in the Ileum, Liver, and Adipose Tissues of High-Fat Diet Induced-Obesity Model Male Mice Analyzed by DNA Microarray.

Kento Mio, Chiemi Yamanaka, Tsubasa Matsuoka, Toshiki Kobayashi, Seiichiro Aoe,

We evaluated whether intake of β-glucan-rich barley flour affects expression levels of genes related to glucose and lipid metabolism in the ileum, liver, and adipose tissues of mice fed a high-fat diet. C57BL/6J male mice were fed a high-fat diet supplemented with high β-glucan barley, for 92 days. We measured ... Read more >>

Nutrients (Nutrients)
[2020, 12(11):]

Cited: 2 times

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Clinical trial of the CP stent for pulmonary artery stenosis: the first investigator-initiated clinical trial for pediatric interventional cardiology in Japan.

Takanari Fujii, Hideshi Tomita, Toshiki Kobayashi, Hitoshi Kato, Hisashi Sugiyama, Ayumi Mizukami, Hideaki Ueda,

Stenting is an important treatment option for pulmonary artery stenosis (PS) associated with congenital heart disease (CHD). However, no stent has been approved for this indication in Japan, despite negotiation between academia and the regulatory bodies for longer than 20 years. To evaluate efficacy and safety of the CP stent, we ... Read more >>

Heart Vessels (Heart and vessels)
[2021, 36(2):291-296]

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Walking characteristics of runners with a transfemoral or knee-disarticulation prosthesis.

Toshiki Kobayashi, Genki Hisano, Yuta Namiki, Satoru Hashizume, Hiroaki Hobara,

<h4>Background</h4>Running with prostheses has become a common activity for amputees participating in sports and recreation. However, very few studies have characterized the kinematic and kinetic parameters of walking in individuals with amputation who are runners. Thus, this study attempts to elucidate the kinematics and kinetics of walking in runners with ... Read more >>

Clin Biomech (Bristol, Avon) (Clinical biomechanics (Bristol, Avon))
[2020, 80:105132]

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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, 35(11):1605-1613]

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Effect of types of ankle-foot orthoses on energy expenditure metrics during walking in individuals with stroke: a systematic review.

Aliyeh Daryabor, Sumiko Yamamoto, Michael Orendurff, Toshiki Kobayashi,

Purpose: This systematic review is aimed at evaluating the efficacy of AFO types and comparison between them on the energy expenditure metrics of walking in individuals who had suffered a stroke with (sub)acute or chronic evolution.Methods: The following databases were searched; PubMed, Scopus, ISI Web of Knowledge, Embase and Cochrane ... Read more >>

Disabil Rehabil (Disability and rehabilitation)
[2020, :1-11]

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Successful Ablation of Atrial Tachycardia Originating from Inside the Single Atrium and Conduit After a Fontan Operation.

Hitoshi Mori, Naokata Sumitomo, Shota Muraji, Tomohiko Imamura, Noriyuki Iwashita, Toshiki Kobayashi,

An 18-year-old male who had a past medical history of an intracardiac total cavopulmonary connection (TCPC) operation was referred to our hospital for radiofrequency catheter ablation (RFCA) of supraventricular tachycardia (SVT). Two types of SVTs were induced, and 3-dimensional (3D) maps were created using an ultra-high-density 3-dimensional mapping system (Rhythmia). ... Read more >>

Int Heart J (International heart journal)
[2020, 61(1):174-177]

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Factors associated with a risk of prosthetic knee buckling during walking in unilateral transfemoral amputees.

Genki Hisano, Satoru Hashizume, Yoshiyuki Kobayashi, Akihiko Murai, Toshiki Kobayashi, Motomu Nakashima, Hiroaki Hobara,

BACKGROUND:Walking and mobility are essential for a satisfactory quality of life. However, individuals with transfemoral amputations have difficulties in preventing falls due to prosthetic knee buckling, defined as the sudden loss of postural support during weight-bearing activities. The risk of prosthetic knee buckling can be evaluated by determining the prosthetic ... Read more >>

Gait Posture (Gait & posture)
[2020, 77:69-74]

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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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Ultra-high density mapping of intra-atrial reentrant tachycardia in a patient after a lateral tunnel total cavopulmonary connection.

Hitoshi Mori, Naokata Sumitomo, Shota Muraji, Noriyuki Iwashita, Toshiki Kobayashi, Ritsushi Kato,

We report a case of an 18-year-old male with a postsurgical lateral tunnel (LT) total cavopulmonary connection (TCPC) and supraventricular tachycardia (SVT). Patients after an LT TCPC have complicated suture lines and a considerable area of damaged myocardium in the LT, which could become a complex arrhythmogenic substrate of tachycardias. ... Read more >>

J Arrhythm (Journal of arrhythmia)
[2019, 35(6):848-850]

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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,

<h4>Background</h4>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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The effects of alignment of an articulated ankle-foot orthosis on lower limb joint kinematics and kinetics during gait in individuals post-stroke.

Toshiki Kobayashi, Michael S Orendurff, Grace Hunt, Fan Gao, Nicholas LeCursi, Lucas S Lincoln, K Bo Foreman,

Mechanical tuning of an ankle-foot orthosis (AFO) is important in improving gait in individuals post-stroke. Alignment and resistance are two factors that are tunable in articulated AFOs. The aim of this study was to investigate the effects of changing AFO ankle alignment on lower limb joint kinematics and kinetics with ... Read more >>

J Biomech (Journal of biomechanics)
[2019, 83:57-64]

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Corrigendum to "A little bit faster: Lower extremity joint kinematics and kinetics as recreational runners achieve faster speeds" [J. Biomech. 71 (2018) 167-175].

Michael S Orendurff, Toshiki Kobayashi, Kirsten Tulchin-Francis, Ann Marie Herring Tullock, Chris Villarosa, Charles Chan, Emily Kraus, Siobhan Strike,

J Biomech (Journal of biomechanics)
[2019, 82:404]

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