Výsledky vyhledávání - "Sota Kawakami"

Estimation of mechanical properties by transcatheter monitoring using local impedance and contact force

Autor: Sota Kawakami, Emiyu Ogawa, Hidehira Fukaya, Gen Matsuura, Sumire Aiga, Hiroshi Kumagai

Publikováno v: Journal of medical engineeringtechnology.

The mechanical properties of the myocardium in the left ventricle and right atrium were estimated by simultaneously measuring the local impedance (LI) and contact force (CF) using an ablation catheter. Radiofrequency catheter ablation (RFCA) is a wel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d64d612e39cba14355f6d533f8041acb
https://pubmed.ncbi.nlm.nih.gov/36426804

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Image analysis of erythema for quantitative evaluation of photosensitivity in photodynamic therapy

Autor: Hayato Ito, Sota Kawakami, Hiroshi Kumagai, Manabu Muto, Masahiro Yoshioka, Emiyu Ogawa

Publikováno v: Visualizing and Quantifying Drug Distribution in Tissue VI.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c2f325e214e47a207970970928417f93
https://doi.org/10.1117/12.2607546

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Blind Image Restoration and Super-Resolution for Multispectral Images Using Sparse Optimization

Autor: Yoshitaka Izumi, Dan Suto, Sota Kawakami, Hiroyuki Kudo

Publikováno v: Journal of Image and Graphics. 10

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e27b566a08a1604bf5130901cb66c2a6
https://doi.org/10.18178/joig.10.1.10-16

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Abstract 12300: Impact of Catheter Contact Angle on Local Impedance Drop and Lesion Size Using the INTELLANAV STABLEPOINT Ablation Catheter: Insight From a Porcine Experimental Study

Autor: Gen Matsuura, Hidehira Fukaya, Emiyu Ogawa, Sota Kawakami, Mitani Yutaro, Yusuke Murayama, Daiki Saito, Tetsuro Sato, Hironori Nakamura, Naruya Ishizue, Jun Oikawa, Jun Kishihara, Shinichi Niwano, Junya Ako

Publikováno v: Circulation. 144

Background: Local impedance (LI) at a distal tip of the ablation catheter can indirectly measure tissue temperature during radiofrequency catheter ablation (RFCA). LI decreases by RFCA, and a degree of LI drop is correlated with lesion size. However,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0fc36e631c6c460f1f76f636875fa858
https://doi.org/10.1161/circ.144.suppl_1.12300

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Construction of a Gradiometer using Two Scalar-type Optically Pumped Atomic Magnetometers and Measurement of Biological Pseudo-signals

Autor: Shun Takada, Sota Kawakami, Hiroshi Kumagai

Publikováno v: IEEJ Transactions on Electronics, Information and Systems. 141:553-555

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff49e5137486010305cc026262f9fadd
https://doi.org/10.1541/ieejeiss.141.553

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Catheter contact angle influences local impedance drop during radiofrequency catheter ablation: Insight from a porcine experimental study with 2 different LI-sensing catheters

Autor: Gen Matsuura, Hidehira Fukaya, Emiyu Ogawa, Sota Kawakami, Hitoshi Mori, Daiki Saito, Tetsuro Sato, Hironori Nakamura, Naruya Ishizue, Jun Oikawa, Jun Kishihara, Shinichi Niwano, Junya Ako

Background: Local impedance (LI) can indirectly measure catheter contact and tissue temperature during radiofrequency catheter ablation (RFCA). However, data on the effects of catheter contact angle on LI parameters are scarce. This study aimed to ev

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52233757f7b900094b255df078b49c37
https://doi.org/10.22541/au.163255455.55268954/v1

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HSP47 expression in fibroblasts by NIR laser irradiation in vitro

Autor: Hiroshi Kumagai, Sota Kawakami, Emiyu Ogawa

Publikováno v: Photonics in Dermatology and Plastic Surgery 2021.

We investigated the photothermal effect of near-infrared pulsed laser irradiation on collagen synthesis in fibroblasts in vitro to reduce complications in skin rejuvenation therapy by selective collagen heating. Tissue thermal damage with pain by las

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4dca83338b5beccd69d5e7250bd4fb66
https://doi.org/10.1117/12.2577466

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Semi-Supervised Outdoor Image Generation Conditioned on Weather Signals

Autor: Noboru Babaguchi, Sota Kawakami, Kei Okada, Naoko Nitta, Kazuaki Nakamura

Publikováno v: ICPR

In recent years, various types of sensors observe the real world. Especially, weather sensors are densely installed all over the world to observe current weather situations at various places. However, weather signals such as the temperature or humidi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9f897a2f7d74eb650489e7c1e38b5b34
https://doi.org/10.1109/icpr48806.2021.9412139

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Motion-less super-resolution under blind condition using sparse optimization

Autor: Yoshitaka Izumi, Sota Kawakami, Hiroyuki Kudo

Publikováno v: Proceedings of the 5th International Conference on Multimedia and Image Processing.

The purpose of this paper is two-fold. First, we develop a regularized and accelerated version of Ahmed's multi-channel blind deconvolution algorithm based on low-rank matrix recovery. Second, we apply the developed algorithm to motion-less super-res

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c9e0efa146525b9ac91f132de2ff1d35
https://doi.org/10.1145/3381271.3381276

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