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Association of mycoplasma genitalium persistence in the urethra with recurrence of nongonococcal urethritis

Shin Ichi Maeda, Masayoshi Tamaki, Keitaro Kojima, Takashi Yoshida, Hiroaki Ishiko, Mitsuru Yasuda, Takashi Deguchi, Takashi Deguchi

Sexually Transmitted Diseases 28 472 - 476 2026年

Background: Most patients with recurrent symptomatic nongonococcal urethritis receive negative test results for Chlamydia trachomatis and Ureaplasma urealyticum, and the cause of such recurrence usually is unknown. Goal: To assess the association of Mycoplasma genitalium with recurrent nongonococcal urethritis. Study Design: In this study, 72 men with nongonococcal urethritis were treated with levofloxacin. Before and after treatment, symptoms and signs were assessed and first-pass urine was examined for C trachomatis, M genitalium, U urealyticum, and Mycoplasma hominis by polymerase chain reaction-based assays. Results: In 6 of 45 men who had no symptoms and no evidence of inflammation after treatment, nongonococcal urethritis recurred. Of these 6 men, 5 had positive test results for M genitalium before levofloxacin treatment, which remained positive afterward. After the second treatment for recurrent nongonococcal urethritis, one man was still had a positive test result for the mycoplasma and experienced a subsequent recurrence. Conclusions: This study suggests that the persistence of M genitalium in the urethra may be associated with recurrence of nongonococcal urethritis.

PubMed

致死的な重症呼吸器感染症を引き起こすアデノウイルスB7dによる尿道炎症例

花岡希, 野尻直未, 小長谷昌未, 藤本嗣人, 伊藤晋, 安田満, 安田満, 出口隆

IASR (Web) 42 ( 4 ) 2021年

J-GLOBAL

膀胱Nephrogenic adenomaの1例

大澤華織, 竹内慎一, 飯沼光司, 前川由佳, 堀江憲吾, 加藤卓, 山田佳輝, 中根慶太, 水谷晃輔, 土屋朋大, 安田満, 仲野正博, 酒々井夏子

泌尿器科紀要 ( 泌尿器科紀要刊行会 ) 64 ( 12 ) 524 - 524 2018年12月

陰茎癌におけるHPV感染の役割と発癌メカニズムについての検討

坂本次郎, 重原一慶, 中嶋一史, 川口昌平, 中嶋孝夫, 島村正喜, 安田満, 小堀善友, 出口隆, 溝上敦

日本性感染症学会誌 ( (一社)日本性感染症学会 ) 29 ( 2 ) 255 - 255 2018年10月

女子尿道憩室に発生したAdenocarcinomaの1例

竹内慎一, 中井千愛, 高井学, 亀山紘司, 山田佳輝, 中根慶太, 水谷晃輔, 土屋朋大, 安田満, 横井繁明, 仲野正博, 出口隆, 酒々井夏子

泌尿器科紀要 ( 泌尿器科紀要刊行会 ) 64 ( 10 ) 421 - 421 2018年10月

女子尿道憩室に発生したAdenocarcinomaの1例

竹内慎一, 中井千愛, 高井学, 亀山紘司, 山田佳輝, 中根慶太, 水谷晃輔, 土屋朋大, 安田満, 横井繁明, 仲野正博, 出口隆, 酒々井夏子

泌尿器科紀要 ( 泌尿器科紀要刊行会 ) 64 ( 10 ) 421 - 421 2018年10月

陰茎癌におけるHPV感染の役割と発癌メカニズムについての検討

坂本次郎, 重原一慶, 中嶋一史, 川口昌平, 中嶋孝夫, 島村正喜, 安田満, 小堀善友, 出口隆, 溝上敦

日本性感染症学会誌 ( (一社)日本性感染症学会 ) 29 ( 2 ) 255 - 255 2018年10月

淋菌性尿道炎患者における徐放性アジスロマイシンの有効性の評価母集団薬物動態解析とシミュレーションによる有効性予測

曽田翠, 松丸直樹, 長瀬泉, 伊藤晋, 安田満, 塚本桂, 出口隆, 北市清幸

TDM研究 ( (一社)日本TDM学会 ) 35 ( 2 ) 118 - 118 2018年05月

淋菌に対する各種抗菌薬感受性の変化・現況セフトリアキソン、スペクチノマイシンは有効だが、ほとんどの使用薬剤に耐性を獲得

安田満, 重原一慶

日本医事新報 ( (株)日本医事新報社 ) ( 4895 ) 53 - 54 2018年02月

Human mastadenovirusにおける尿道炎発症に関わるサイトの探索

飯田雅, 花岡希, 藤本嗣人, 伊藤晋, 出口隆, 安田満, 小柳香奈子, 渡邉日出海

日本性感染症学会誌 ( (一社)日本性感染症学会 ) 28 ( 2 ) 202 - 202 2017年11月

2016年に男子淋菌性尿道炎患者より分離された淋菌の薬剤感受性報告

安田満, 伊藤晋, 小島宗門, 楊睦正, 成田晴紀, 木戸晃, 岩澤晶彦, 松木孝和, 宮田和豊, 出口隆, 旗崎恭子, 伊藤雅康, 竹内敏視, 上床典康, 土屋博, 藤本佳則, 澤村治樹, 楠山弘之, 花井俊典, 内島豊, 宮村隆三, 沼崎進, 重原一慶, 濱野公成, 米田尚生, 岡野学, 長谷川徹, 伊藤康久, 林秀治, 高橋義人, 小出卓也, 池田直弥, 原田吉将

日本性感染症学会誌 ( (一社)日本性感染症学会 ) 28 ( 2 ) 206 - 206 2017年11月

膀胱Inflammatory myofibroblastic tumorの1例

高木公暁, 高井学, 河田啓, 堀江憲吾, 菊地美奈, 加藤卓, 水谷晃輔, 清家健作, 土屋朋大, 安田満, 横井繁明, 仲野正博, 出口隆, 酒々井夏子, 宮崎龍彦, 石原哲, 亀井信吾

泌尿器科紀要 ( 泌尿器科紀要刊行会 ) 62 ( 11 ) 610 - 610 2016年11月

陰茎癌とHPV感染との関連性についての検討

坂本次郎, 重原一慶, 中嶋一史, 安田満, 中嶋孝夫, 島村正喜, 小堀義友, 出口隆, 笹川寿之, 溝上敦

日本性感染症学会誌 ( (一社)日本性感染症学会 ) 27 ( 2 ) 263 - 263 2016年11月

Male non-gonococcal urethritis: From microbiological etiologies to demographic and clinical features

Shin Ito, Nozomu Hanaoka, Ken Shimuta, Kensaku Seike, Tomohiro Tsuchiya, Mitsuru Yasuda, Shigeaki Yokoi, Masahiro Nakano, Makoto Ohnishi, Takashi Deguchi

INTERNATIONAL JOURNAL OF UROLOGY ( WILEY-BLACKWELL ) 23 ( 4 ) 325 - 331 2016年04月

Objectives: To detect microorganisms responsible for male acute urethritis and to define the microbiology of non-gonococcal urethritis. Methods: The present study comprised 424 men with symptoms and signs compatible with acute urethritis. Their urethral swabs and first-voided urine underwent detection of the microorganisms. Demographic characteristics and clinical features of Mycoplasma genitalium-, Ureaplasma urealyticum-, Haemophilus influenza-, adenovirus- or Herpes simplex virus-positive monomicrobial non-gonococcal urethritis, or all-examined microorganism-negative urethritis in heterosexual men were compared with urethritis positive only for Chlamydia trachomatis. Results: Neisseria gonorrhoeae was detected in 127 men (30.0%). In 297 men with non-gonococcal urethritis, C. trachomatis was detected in 143 (48.1%). In 154 men with non-chlamydial non-gonococcal urethritis, M. genitalium (22.7%), M. hominis (5.8%), Ureaplasma parvum (9.1%), U. urealyticum (19.5%), H. influenzae (14.3%), Neisseria meningitidis (3.9%), Trichomonas vaginalis (1.3%), human adenovirus (16.2%), and Herpes simplex virus types 1 (7.1%) and 2 (2.6%) were detected. Although some features of monomicrobial non-chlamydial non-gonococcal urethritis or all-examined microorganism-negative urethritis were significantly different from those of monomicrobial chlamydial nongonococcal urethritis, most features were superimposed. Conclusions: Predicting causative microorganisms in men with non-gonococcal urethritis based on demographic and clinical features is difficult. However, the present study provides useful information to better understand the microbiological diversity in non-gonococcal urethritis, and to manage patients with non-gonococcal urethritis appropriately.

DOI

ヒトアデノウイルス陽性男子尿道炎の臨床的特徴

伊藤晋, 安田満, 花岡希, 高梨真樹, 出口隆

日本泌尿器科学会総会 ( (一社)日本泌尿器科学会総会事務局 ) 104回 OP - 028 2016年04月

Multidrug-Resistant Mycoplasma genitalium Is Increasing

Takashi Deguchi, Mina Kikuchi, Mitsuru Yasuda, Shin Ito

CLINICAL INFECTIOUS DISEASES ( OXFORD UNIV PRESS INC ) 62 ( 3 ) 405 - 406 2016年02月

速報，短報，研究ノート等（学術雑誌）

DOI

New Clinical Strain of Neisseria gonorrhoeae with Decreased Susceptibility to Ceftriaxone, Japan

Takashi Deguchi, Mitsuru Yasuda, Kyoko Hatazaki, Koji Kameyama, Kengo Horie, Taku Kato, Kohsuke Mizutani, Kensaku Seike, Tomohiro Tsuchiya, Shigeaki Yokoi, Masahiro Nakano, Mutsumasa Yoh

EMERGING INFECTIOUS DISEASES ( CENTERS DISEASE CONTROL ) 22 ( 1 ) 142 - 144 2016年01月

速報，短報，研究ノート等（学術雑誌）

DOI

Bacterial loads of Ureaplasma parvum contribute to the development of inflammatory responses in the male urethra

Takashi Deguchi, Yasushi Shimada, Kengo Horie, Kohsuke Mizutani, Kensaku Seike, Tomohiro Tsuchiya, Shigeaki Yokoi, Mitsuru Yasuda, Shin Ito

INTERNATIONAL JOURNAL OF STD & AIDS ( SAGE PUBLICATIONS LTD ) 26 ( 14 ) 1035 - 1039 2015年12月

Ureaplasma parvum, which has been recognised as a coloniser in the male urethra, is detected in some men with non-gonococcal urethritis. In this study, we quantified the 16S rRNA genes of U. parvum by a real-time polymerase chain reaction-based assay in first-voided urine from 15 symptomatic and 38 asymptomatic men who were positive only for U. parvum. We also determined the leukocyte counts by automated quantitative urine particle analysis in their first-voided urine. Positive correlations were observed between copies of the 16S rRNA genes of U. parvum/ml and the leukocyte counts/mu l in first-voided urine (p = 0.0019). The loads of >= 10(4) copies of the 16 S rRNA gene/ml, corresponding to >= 5 x 10(3) cells of U. parvum/ml, were significantly associated with the presence of >= 12.5 leukocytes/mu l in first-voided urine that might document the presence of inflammatory responses in the urethra. However, a large portion of the subjects (83.0%) had bacterial loads of < 5 x 10(3) cells of U. parvum/ml, and 79.5% of them showed < 12.5 leukocytes/ml. The ambiguity of the pathogenic role of U. parvum in non-gonococcal urethritis could, in part, be due to its low bacterial loads, which might not give rise to inflammatory responses in the male urethra.

DOI

アデノウイルス性尿道炎患者変遷と市中アデノウイルス流行状況との関連性

花岡希, 伊藤晋, 安田満, 高梨真樹, 出口隆, 山岸拓也, 藤本嗣人

日本性感染症学会誌 ( (一社)日本性感染症学会 ) 26 ( 2 ) 87 - 87 2015年10月

うがい液淋菌検査におけるAPTIMA Combo2とCOBAS4800不一致例の増加

伊藤晋, 安田満, 高橋聡, 花岡希, 伊藤貴子, 出口隆

日本性感染症学会誌 ( (一社)日本性感染症学会 ) 26 ( 2 ) 61 - 61 2015年10月

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