Search Results 1-20 of 256

  • Status of In-Hospital Acute Ischemic Stroke Treated by Mechanical Thrombectomy

    Sase Taigen , Onodera Hidetaka , Kaji Tomohiro , Nakamura Homare , Sakakibara Yohtaro , Tanaka Yuichiro

    … The mean age was 79.9 (66–93) years. … The mean interval from onset or last well known (LWK) until CT/MRI and puncture was 88.4 and 157.6 minutes. … The median Alberta stroke program early CT score (ASPECTS; … In the latter, the mean interval from onset or final onset-free confirmation until recanalization was 197.7 minutes. …

    Journal of Neuroendovascular Therapy, 2021

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  • Diagnosis and Treatment of Superior Mesenteric Artery Dissection—Report of 20 Cases—  [in Japanese]

    ONISHI Emi , YOSHIDA Naohiro , AOYAGI Takeshi , TAMEHIRO Kazuhito , OGATA Toshiro , TANIGUCHI Masahiko

    … <p>孤立性上腸間膜動脈解離は比較的まれな疾患であるが,近年CTの普及に伴い本疾患の報告は増加している.多くは保存的加療で良好な予後が得られるが,観血的治療を要する症例もあり時に致命的になることもある.しかし,本疾患の原因,分類,治療法について一定の見解は得られていない.</p><p>2008年2月から2019年2月までに孤立性上腸間膜動脈解離と診断した20例の患者背景,症状,血液検査,治療法 …

    Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association) 81(6), 1041-1048, 2020

    J-STAGE  Ichushi Web 

  • Early and Middle-Term Results and Anticoagulation Strategy after Left Atrial Appendage Exclusion Using an Epicardial Clip Device

    Yoshimoto Akihiro , Suematsu Yoshihiro , Kurahashi Kanan , Kaneko Hiroyuki , Arima Daisuke , Nishi Satoshi

    … The patients' data were obtained by reviewing their medical records retrospectively.</p><p>Results: The mean and median durations of follow-up was 510 ± 184 days and 482 days (range, 216–938 days), respectively. … Postoperative computed tomography (CT) findings revealed no migration or displacement of the clips in any patient; …

    Annals of Thoracic and Cardiovascular Surgery, 2020

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  • Comparison of fusion rate between titanium-coated PEEK cage and PEEK cage for posterior lumbar interbody fusion -80 case study with single surgeon-  [in Japanese]

    Kishima Kazuya , Maruo Keishi , Arizumi Fumihiro , Kusuyama Kazuki , Tachibana Toshiya

    <p>チタンコーティングPEEKケージ(TP群)とPEEKケージ(P群)を使用した後方腰椎椎体間固定術の成績を後ろ向きに比較した.TP群37例48椎間,P群43例51椎間で年齢,性別,固定椎間数,ケージの数・高さ,手術時間,出血量は2群間に差を認めなかった.Endplate cystの発生率は術後3ヶ月(52% vs 59%,P=0.55),1年(50% vs 47%,P=0.84)と …

    Journal of Spine Research 11(10), 1228-1233, 2020

    J-STAGE  Ichushi Web 

  • New Potential Method for Optimizing the ATCM Technique in Pediatric CT Examination  [in Japanese]

    Yoshiura Takayuki , Masuda Takanori , Matsumoto Yoriaki , Sato Tomoyasu , Kikuhara Yukari , Kobayashi Yukie , Ishibashi Tooru , Oku Takayuki , Funama Yoshinori

    … <i>Methods</i>: We retrospectively analyzed fifty-six children who had underwent computed tomography (CT) examination between June 2014 and August 2018. … We used a 64-row CT scanner (LightSpeed VCT; …

    Japanese Journal of Radiological Technology 76(8), 802-807, 2020

    J-STAGE  Ichushi Web 

  • Characteristics of Patients with Severe Cervical Ossification of the Posterior Longitudinal Ligament: A Multicenter Cross-Sectional Study  [in Japanese]

    Mori Kanji , Kawaguchi Yoshiharu , Japanese Organization of the Study for Ossification of Spinal Ligament (JOSL) , Yoshii Toshitaka , Hirai Takashi , Nagoshi Narihito , Nishimura Soraya , Takeuchi Kazuhiro , Nakamura Masaya , Matsumoto Morio , Okawa Atsushi

    … <p>厚労科研脊柱靭帯骨化症研究班所属の20施設より収集された,頚椎単純X線側面像で頚椎OPLLと診断された有症状患者の中で,全脊椎CT矢状断像と基礎データとが揃う234例を対象とする後ろ向き研究を行った.ほぼ全頚椎に広がるような頚椎OPLL重度骨化群は約2割に認められ,重症群は有意に高齢であった.今回の分類基準に基づいた調査では,性別やBMI,糖尿病罹患の有無は重症度に有意な影響を及ぼしていなかっ …

    Journal of Spine Research 11(5), 805-810, 2020

    J-STAGE  Ichushi Web 

  • Utility of four–factor prothrombin complex concentrate for rapid vitamin K reversal in patients with intracranial hemorrhage  [in Japanese]

    Aizawa Yuki , Maehara Taketoshi , Inaji Motoki , Takahashi Satoru , Ishikawa Mariko , Hayakawa Takanobu , Hirota Shin , Yamamoto Shinji , Tamada Natsumi , Saigusa Kuniyasu

    <p> 【背景】頭蓋内出血の治療においては,速やかな抗凝固療法の中和が重要である.2017年9月よりワーファリンの阻害剤として人プロトロンビン複合体製剤(4F‒PCC)が使用可能となり,今回我々はその使用経験を報告する.【対象と方法】2017年9月から2018年10月に,頭部外傷,脳卒中に伴う頭蓋内出血に対して人プロトロンビン複合体製剤を使用した18症例(平均年齢74.1±17.2歳, …

    NEUROSURGICAL EMERGENCY 25(1), 69-74, 2020

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  • Detection of suspected brain infarctions on CT can be significantly improved with temporal subtraction images

    Akasaka Thai , Yakami Masahiro , Nishio Mizuho , Onoue Koji , Aoyama Gakuto , Nakagomi Keita , Iizuka Yoshio , Kubo Takeshi , Emoto Yutaka , Satoh Kiyohide , Yamamoto Hiroyuki , Togashi Kaori

    … [Objective]To assess whether temporal subtraction (TS) images of brain CT improve the detection of suspected brain infarctions. … Forty-two sets of brain CT images of 41 patients, each consisting of a pair of brain CT images scanned at two time points (previous and current) between January 2011 and November 2016, were collected for an observer performance study. …

    European radiology 29(2), 759-769, 2019-02

    IR 

  • Comparative study of aggressive and non–aggressive treatments in Japan Neurotrauma Data Bank Project 2015  [in Japanese]

    Oshio Kotaro , Uchida Masashi , Kobayashi Atsushi , Ikeda Tetsuya , Kushiro Yuichiro , Matsumori Takashi , Ito Hidemichi , Tanaka Yuichiro

    … In Japan, the number of geriatric traumatic brain injury (TBI) cases is increasing because of aging in the Japanese population. … Of the 1,345 cases registered in the Japan Neurotrauma Data Bank (JNTDB) Project 2015, we analyzed the cases of 1,034 patients (mean age, 58 ± 25 years), and excluded cases with missing laboratory data. …

    Neurotraumatology 42(2), 136-142, 2019

    J-STAGE  Ichushi Web 

  • Computed tomography number of adolescent primary pneumothorax patients compared with healthy individuals  [in Japanese]

    Yamashita Takashi , Asai Katsuyuki

    … ,若年気胸患者の肺実質の平均CT値を後ろ向きに調査し,正常肺患者との差違について検討した.若年気胸患者の肺実質の平均CT値を後ろ向きに調査し,正常肺患者との差違について検討した.15歳から25歳の男性,若年気胸患者35例,正常肺患者105例について肺実質平均CT値(HU)と胸腔内容積(mL)について検討したところ,CT値は両側とも有意に気胸群のほ …

    The Journal of the Japanese Association for Chest Surgery 33(7), 686-692, 2019

    J-STAGE  Ichushi Web 

  • Mixed cell type in airway inflammation is the dominant phenotype in asthma patients with severe chronic rhinosinusitis

    Nishio Tomoko , Hasegawa Yoshinori , Wakahara Keiko , Suzuki Yoshihiro , Nishio Naoki , Majima Suguru , Nakamura Saya , Teranishi Masaaki , Nakatochi Masahiro , Sone Michihiko

    … We enrolled 57 adult asthmatic patients who underwent sinus computed tomography (CT). … LMS was positively correlated with the percentage of blood eosinophils, sputum eosinophils, and mean fluorescence intensity (MFI) of IL-5 on CD4<sup>+</sup> … In the severe CRS group (LMS, 12-24), the number of mixed cellular phenotypes was higher than that in the group without CRS (LMS, 0-4) and mild-to-moderate CRS group (LMS, 5-11).</p><p><i>Conclusions:</i> …

    Allergology International 68(4), 515-520, 2019

    J-STAGE  Ichushi Web 

  • The Effect of Laparoscopic Sleeve Gastrectomy on Obesity and Obesity-related Disease : the Results of 10 Initial Cases

    Kashihara Hideya , Shimada Mitsuo , Yoshikawa Kozo , Higashijima Jun , Miyatani Tomohiko , Tokunaga Takuya , Nishi Masaaki , Takasu Chie , Hamada Yasuhiro

    … <p>Introduction : The number of patients who undergo laparoscopic sleeve gastrectomy (LSG) has been increasing. … Patients and methods : Ten obese patients : five males and five females ; age range from thirty-three years to fifty-six years (mean age 42.2 years) ; mean body mass index (BMI) 50.3 ; five with diabetes ; nine with hypertension (HT) ; four with hyperlipidemia (HL) ; eight with sleep apnea syndrome (SAS) who underwent LSG were enrolled in this study. …

    The Journal of Medical Investigation 66(3.4), 289-292, 2019

    IR  J-STAGE  Ichushi Web 

  • Why were our patients transferred? Real world of the rural-area's neurosurgical emergencies  [in Japanese]

    Honda Masaru , Maeda Hajime

    … 送した患者は34名,男性20名,女性14名,平均年齢73.5歳.脳梗塞15例中13例が血栓回収目的で転送された.脳出血8例のうち4例は当科が手術中で対応できず,1例はCT(Computed Tomography)の故障のため転送された.頭部外傷5例中2例はCTの故障,1例は手術室が他科緊急手術のため転送となった.くも膜下出血2例・椎骨動脈解離2例・脳動静脈奇形1例は血管内治療依頼で転送となった.来院から …

    NEUROSURGICAL EMERGENCY 24(2), 165-170, 2019

    J-STAGE  Ichushi Web 

  • Comparison of the Effectiveness of Surgical Versus Nonsurgical Treatment for Multiple Rib Fractures Accompanied with Pulmonary Contusion

    Jiang Yuhua , Wang Xun , Teng Lixia , Liu Yanguo , Wang Jun , Zheng Zuolong

    … Patient pain score, complications, length of hospital stay, cost of hospitalization, and post-treatment 3-month follow-up results were compared.</p><p>Results: The mean number of days and moderate pain in the surgery group was significantly lower than that of the non-surgery group (p <0.01). … The chest computed tomography (CT) scan which was performed 3 months after the treatment revealed that the surgery group had a better recovery than the non-surgery group. …

    Annals of Thoracic and Cardiovascular Surgery 25(4), 185-191, 2019

    J-STAGE  Ichushi Web 

  • Effects of number of metal restorations and mandibular position during computed tomography imaging on accuracy of maxillofacial models

    Tsuchida Yumi , Takahashi Hidekazu , Watanabe Hiroshi , Oki Meiko , Shiozawa Maho , Kurabayashi Tohru , Suzuki Tetsuya

    … Computed tomography (CT) imaging for three-dimensional (3D) printed models may improve the quality of surgical preoperative plans. … Although metal objects can cause artifacts in CT images, integration of CT and digital dental arch imaging may solve this problem. …

    Journal of Prosthodontic Research 63(2), 239-244, 2019

    J-STAGE  Ichushi Web 

  • Assessment of Speech Recognition after Cochlear Implantation in 9 Adults  [in Japanese]

    Ohta Yoko , Kawano Atsushi , Kawaguchi Sachie , Shirai Kyoko , Ikeya Jun , Tsukahara Kiyoaki

    … We have recently performed the procedure in cases with labyrinthitis or ossified cochleas, which were previously considered as contraindications, because it is now possible to assess cochlear ossification by high-performance CT and also assess the cavities of the cochlea by three-dimensional MRI. … In the comparisons in the groups classified by the extent of ossification, the mean auditory threshold was 35.0 dB in the grade I group, and 33.6 dB in the grade II group; …

    Practica Oto-Rhino-Laryngologica 112(4), 219-223, 2019

    J-STAGE  Ichushi Web 

  • Incident Photon Number and Reconstructed Linear Attenuation Coefficients in Iterative CT Image Reconstruction  [in Japanese]

    SHINOHARA Hiroyuki , HASHIMOTO Takeyuki

    … <p>[Purpose] The iterative CT image reconstruction (IR) method has been successfully incorporated into commercial CT scanners as a means to promote low-dose CT with high image quality. …

    Japanese Journal of Medical Physics (Igakubutsuri) 38(4), 143-158, 2019

    J-STAGE  Ichushi Web 

  • Clinical Features and Problems of Laryngeal Tuberculosis  [in Japanese]

    Katto Mai , Kumoi Kazuo

    … 胸部単純X線写真では異常が7例(70%),胸部CTでは全例で異常所見を認めた(100%)。 …

    Nihon Kikan Shokudoka Gakkai Kaiho 70(1), 1-8, 2019

    J-STAGE  Ichushi Web 

  • An application of cascaded 3D fully convolutional networks for medical image segmentation

    Roth Holger R. , Oda Hirohisa , Zhou Xiangrong , Shimizu Natsuki , Yang Ying , Hayashi Yuichiro , Oda Masahiro , Fujiwara Michitaka , Misawa Kazunari , Mori Kensaku

    … In this work, we show that a multi-class 3D FCN trained on manually labeled CT scans of several anatomical structures (ranging from the large organs to thin vessels) can achieve competitive segmentation results, while avoiding the need for handcrafting features or training class-specific models. … This reduces the number of voxels the second FCN has to classify to ∼10% and allows it to focus on more detailed segmentation of the organs and vessels. …

    Computerized Medical Imaging and Graphics (66), 90-99, 2018-06

    IR 

  • Comparative study on biological characteristics between db/db mice and db/m mice

    Pei Lingpeng , Wang Songyue , Yi Xiangjiao , Li Jincheng , Bai Yinghui , Zhao Hongyan , Pang Zongran

    … Body weight,micro-CT and the levels of serum urea nitrogen, creatinine,alkaline phosphatase were determined at 7,8,9,10,12,16,20,24 weeks of age.The kidney and the tibia bone were taken for pathological examination at the same time. … All data were expressed as mean and standard deviation. …

    Proceedings for Annual Meeting of The Japanese Pharmacological Society WCP2018(0), PO4-3-47, 2018

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