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Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy

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https://www.readbyqxmd.com/read/28527652/uveitis-induced-by-programmed-cell-death-protein-1-inhibitor-therapy-with-nivolumab-in-metastatic-melanoma-patient
#1
Hiroaki Kanno, Kyoko Ishida, Wataru Yamada, Takashi Nishida, Nobumichi Takahashi, Kiyofumi Mochizuki, Yuki Mizuno, Kanako Matsuyama, Tomoko Takahashi, Mariko Seishima
Nivolumab, a new immune checkpoint inhibitor, binds to programmed cell death-protein 1 receptors on T cell, blockades binding of its ligands, and augments the immunologic reaction against tumor cells. Augmented immune response, however, may lead to immune-related adverse events. Herein we describe a rare case of bilateral anterior uveitis induced by nivolumab treatment for metastatic melanoma. A 54-year-old woman presented with mild conjunctival redness and blurred vision two months after initiating nivolumab treatment...
May 17, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28527651/clinical-efficacy-of-cycling-empirical-antibiotic-therapy-for-febrile-neutropenia-in-pediatric-cancer-patients
#2
Hideto Teranishi, Yuhki Koga, Hisanori Nishio, Wakako Kato, Hiroaki Ono, Shunsuke Kanno, Kentaro Nakashima, Hidetoshi Takada
BACKGROUND: Febrile neutropenia (FN) is the main treatment-related cause of mortality among children with cancer, as the prolonged use of broad-spectrum antibiotics can lead to antibiotic resistance in these patients. Antibiotic cycling has been reported to limit the emergence of antibiotic-resistant bacteria among adult patients. However, no studies have evaluated pediatric patients with FN. METHODS: Between September 2011 and February 2014, 126 pediatric cancer patients were admitted to our center for chemotherapy and/or hematopoietic stem cell transplantation and were included in this study...
May 17, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28527650/new-1-hydroxy-2-thiopyridine-derivatives-active-against-both-replicating-and-dormant-mycobacterium-tuberculosis
#3
Elena G Salina, Olga Ryabova, Anthony Vocat, Boris Nikonenko, Stewart T Cole, Vadim Makarov
Tuberculosis (TB) treatment is confounded by the range of metabolic states displayed by Mycobacterium tuberculosis, by the long duration required and by the increasing prevalence of drug-resistant strains. Latent TB infection is especially difficult to treat due to the phenotypic antibiotic resistance of non-replicating M. tuberculosis. Therefore, the development of new drugs effective against both active and latent TB infection is needed. New 1-hydroxy-2-thiopyridine derivatives were synthesized and found to be highly effective in vitro against both actively growing and dormant non-culturable M...
May 17, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28527649/antimicrobial-activity-of-fidaxomicin-against-clostridium-difficile-clinical-isolates-in-aichi-area-in-japan
#4
Yuka Yamagishi, Naoya Nishiyama, Yusuke Koizumi, Yoko Matsukawa, Hiroyuki Suematsu, Mao Hagihara, Kiyomitsu Katsumata, Hiroshige Mikamo
We evaluated the susceptibility of 100 Japanese Clostridium difficile isolates to fidaxomicin, a new macrocyclic antibiotic. The minimum inhibitory concentration (MIC) range of fidaxomicin was 0.03-0.5 μg/mL, with a MIC for inhibition of 50% (MIC50) of 0.12 μg/mL, and for inhibition of 90% (MIC90) of 0.25 μg/mL. We also evaluated the susceptibilities of the same 100 C. difficile isolates to vancomycin, metronidazole, moxifloxacin, clindamycin, meropenem, and ampicillin. Of all the antibiotics tested, fidaxomicin showed the most potent antimicrobial activity against this group of C...
May 17, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28527648/a-case-of-amebiasis-with-negative-serologic-markers-that-caused-intra-abdominal-abscess
#5
Rie Tanaka, Norihiro Furusyo, Rinne Takeda, Sho Yamasaki, Akira Kusaga, Eiichi Ogawa, Masayuki Murata, Ryota Nakanishi, Yoshihiko Maehara
A 23-year-old Japanese woman presented with abdominal distention following fever, diarrhea, and abdominal pain during a stay in Taiwan. Serology for the detection of amebic-antibodies and stool microscopic examination were both negative. A computed tomography scan showed a 13 cm diameter abscess spreading from the lower abdominal wall to the pelvic retroperitoneal space. Needle aspiration of the abscess was done under computed tomography guidance, and microscopy of the aspirated fluid revealed trophozoites of Entamoeba...
May 17, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28511987/human-parechovirus-type-3-infection-an-emerging-infection-in-neonates-and-young-infants
#6
REVIEW
Yuta Aizawa, Ryohei Izumita, Akihiko Saitoh
Human parechoviruses (HPeVs) are RNA viruses that have characteristics similar to those of enteroviruses and usually cause mild respiratory or gastrointestinal symptoms. Human parechovirus type 3 (HPeV3), first reported in 2004, is exceptional because it can provoke sepsis and meningoencephalitis leading to neurological sequelae, and even death, in neonates and young infants. Pediatricians and researchers are increasingly aware that HPeV3 is responsible for serious disease in neonates and young infants. Retrospective studies and several reports of epidemics of HPeV3 infection have provided data on epidemiology, clinical symptoms and signs, laboratory findings, and outcomes...
May 13, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28506529/guillain-barr%C3%A3-syndrome-in-a-patient-with-renal-cell-carcinoma-following-the-first-course-of-pazopanib-therapy
#7
Hiroaki Koshikawa, Tomomi Tsukie, Akira Kurita, Mikio Fujikura, Megumi Suzuki, Kazuhiro Araki
Pazopanib, one of the antiangiogenic drugs, has recently become a first-line treatment for metastatic renal cell carcinoma. The most common adverse effects of pazopanib include diarrhea, fatigue, and nausea, but neuropathic complication has not been documented. Here, we report the first case of a patient with metastatic renal cell carcinoma who developed acute neuropathy mimicking Guillain-Barré syndrome following the first course of pazopanib therapy. A 75-year-old man with a metastatic renal cell carcinoma was admitted for rapidly progressive weakness and numbness in the extremities after the first course of pazopanib therapy...
May 12, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28476331/antimicrobial-susceptibilities-of-chlamydia-trachomatis-isolated-from-the-urethra-and-pharynx-of-japanese-males
#8
Seiji Kai, Koichiro Wada, Takuya Sadahira, Motoo Araki, Ayano Ishii, Toyohiko Watanabe, Koichi Monden, Satoshi Uno, Tohru Araki, Yasutomo Nasu
OBJECTIVES: Sexually transmitted infections due to Chlamydia trachomatis (C. trachomatis) are a worldwide public health problem. The aim of this study was to investigate the drug susceptibilities of C. trachomatis strains isolated from the urethra and pharynx of Japanese males. METHODS: Urethral and pharyngeal swabs were collected between 2013 and 2014 from Japanese males with urethritis. Using a McCoy cell line, 18 chlamydial strains were isolated from urethra in 18 patients and 7 from the pharynx in 7 of the 18 patients...
May 2, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28456490/pediatric-bacterial-meningitis-in-japan-2013-2015-3-5-years-after-the-wide-use-of-haemophilus-influenzae-type-b-and-streptococcus-pneumoniae-conjugated-vaccines
#9
Masayoshi Shinjoh, Yoshio Yamaguchi, Satoshi Iwata
BACKGROUND: Haemophilus influenzae type b (Hib) vaccine and pneumococcal conjugated vaccine (PCV) have been widely used since 2010 in Japan when both vaccines were supported by the regional governments, and they were covered as routine recommended vaccines in 2013. The incidence of bacterial meningitis due to these organisms decreased in 2011 and 2012, but meningitis due to Streptococcus agalactiae and Escherichia coli remained unchanged. OBJECTIVES: We planned to confirm whether the incidence also decreased in subsequent years...
April 26, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28456489/evaluation-of-commercial-phenotypic-assays-for-the-detection-of-imp-or-new-delhi-metallo-%C3%AE-lactamase-producing-enterobacteriaceae-isolates-in-japan
#10
Daisuke Sakanashi, Makoto Kawachi, Yuki Uozumi, Mitsuru Nishio, Yuki Hara, Hiroyuki Suematsu, Mao Hagihara, Naoya Nishiyama, Nobuhiro Asai, Yusuke Koizumi, Yuka Yamagishi, Hiroshige Mikamo
OBJECTIVES: This study was designed to evaluate the sodium mercaptoacetic acid double disk synergy test (SMA-DDST), the Etest metallo-β-lactamase (MBL) MP/MPI (Etest MP/MPI), and the Mastdiscs ID Carbapenemase Detection Disc Set (MAST-CDS) for the detection of MBL-producing Enterobacteriaceae isolates in Japan. METHODS: Fifty-one clinical isolates and four reference strains were tested. These isolates included 40, 4, and 11 IMP-, New Delhi MBL (NDM)-, and non-MBL-producers, respectively...
April 26, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28456488/secondary-syphilis-mimicking-malignancy-a-case-report-and-review-of-literature
#11
Claudio Cerchione, Alberto Enrico Maraolo, Luana Marano, Novella Pugliese, Davide Nappi, Grazia Tosone, Ilaria Cimmino, Imma Cozzolino, Vincenzo Martinelli, Fabrizio Pane, Marco Picardi
A 56-year-old man developed disseminate lymphadenopathies, associated with hepato-splenomegaly, fever, nocturnal sweating and weight loss. Imaging studies in particular FDG-PET/CT raised the suspicion of a malignant disease. But blood flow cytometry assay for B/T cell clonality was negative and fine-needle biopsy of enlarged laterocervical lymph node showed a not specific "reactive hyperplasia". Four months later, the patient developed a non-itching rash; since a further anamnestic investigation revealed an history of high-risk sexual intercourse, the patient underwent serological tests for Treponema pallidum that were positive at high titer, after a first negative screening...
April 26, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28462860/emergence-of-mycoplasma-genitalium-with-clinically-significant-fluoroquinolone-resistance-conferred-by-amino-acid-changes-both-in-gyra-and-parc-in-japan
#12
Takashi Deguchi, Shin Ito, Mitsuru Yasuda, Hiromi Kondo, Yoshiteru Yamada, Keita Nakane, Kosuke Mizutani, Tomohiro Tsuchiya, Shigeaki Yokoi, Masahiro Nakano
We observed fluoroquinolone treatment failures in 2 men with Mycoplasma genitalium-positive non-gonococcal urethritis in Japan. A fluoroquinolone regimen of sitafloxacin 100 mg twice daily for 7 days failed to eradicate M. genitalium. In both cases, M. genitalium had fluoroquinolone resistance-associated amino acid changes both in GyrA and ParC and a macrolide resistance-associated mutation in the 23S rRNA gene. The emergence of such multi-drug resistant strains can threaten antimicrobial chemotherapy for M...
April 24, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28446378/ceftriaxone-susceptibility-and-molecular-characteristics-of-neisseria-gonorrhoeae-isolates-in-changsha-china
#13
Ting Peng, Hui Lin, Qinglin Liu, Wei Cao, Hui Ding, Jianlin Chen, Lingli Tang
A total of 128 Neisseria gonorrhoeae isolates were consecutively obtained in Changsha, China, between April 2015 and June 2016. The minimum inhibitory concentrations (MICs) of ceftriaxone were measured by agar dilution method for each isolate. Ceftriaxone resistance determinants involving penA, mtrR, porB and ponA were amplified by PCR, and the PCR products were sequenced. N. gonorrhoeae multi-antigen sequence typing (NG-MAST) was conducted for genotyping. The results exhibited 11% (14/128) of isolates were reduced susceptibility or resistant to ceftriaxone...
April 23, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28438462/comparison-of-interferon-%C3%AE-release-assays-quantiferon-tb-git-and-t-spot-tb-in-renal-transplantation
#14
Satoru Ishikawa, Hidetoshi Igari, Naotake Akutsu, Mizue Tsuyuzaki, Hiromichi Aoyama, Masayuki Hasegawa, Kazunori Otsuki, Michihiro Maruyama, Kenichi Saigo, Kiminori Suzuki, Fumio Yamagishi
Renal transplant recipients are at increased risk of reactivating latent tuberculosis infection (LTBI) and progressing to active tuberculosis (TB). This study was conducted in National hospital for tuberculosis and renal transplantation (RT) in Japan. The purpose is to compare two interferon-γ release assays (IGRAs), QuantiFERON(®)-TB Gold in Tube (QFT) and T-SPOT(®).TB (TSPOT), in patients after renal transplantation for detecting latent TB infection (LTBI). Total 92 renal transplant recipients (median age 46 years, range 17-75) were prospectively enrolled, and QFT and TSPOT were concurrently examined...
April 21, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28438461/bacteremia-caused-by-the-photosynthetic-environmental-bacterium-rhodopseudomonas
#15
Stephanie L Mitchell, Emily A Blumberg, Paul H Edelstein
We report a case of persistent Rhodopseudomonas bacteremia in a patient two months after an allogeneic bone marrow transplant for acute myeloid leukemia. The bacteremia persisted until IV catheter removal. To our knowledge, this is the first report of Rhodopseudomonas causing infection in humans.
April 21, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28433607/transfer-of-vaginal-chloramphenicol-to-circulating-blood-in-pregnant-women-and-its-relationship-with-their-maternal-background-and-neonatal-health
#16
Satoe Harauchi, Takashi Osawa, Naoko Kubono, Hiroaki Itoh, Takafumi Naito, Junichi Kawakami
Few clinical studies have determined the quantitative transfer of vaginal chloramphenicol to circulating blood in pregnant women. This study aimed to evaluate the plasma concentration of chloramphenicol in pregnant women treated with trans-vaginal tablets and its relationship with maternal background and neonatal health. Thirty-seven pregnant women treated with 100 mg of trans-vaginal chloramphenicol once daily for bacterial vaginosis and its suspected case were enrolled. The plasma concentration of chloramphenicol was determined using liquid chromatography coupled to tandem mass spectrometry at day 2 or later after starting the medication...
April 19, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28431935/diversity-changes-of-microbial-communities-into-hospital-surface-environments
#17
Rika Yano, Tomoko Shimoda, Reina Watanabe, Yasutoshi Kuroki, Torahiko Okubo, Shinji Nakamura, Junji Matsuo, Sadako Yoshimura, Hiroyuki Yamaguchi
Previous works have demonstrated considerable variability in hospital cleanliness in Japan, suggesting that contamination is driven by factors that are currently poorly controlled. We undertook 16S rRNA sequence analysis to study population structures of hospital environmental microbiomes to see which factor(s) impacted contamination. One hundred forty-four samples were collected from surfaces of three hospitals with distinct sizes ("A": >500 beds, "B": 100-500 beds, "C": <100 beds). Sample locations of two ward types (Surgical and Internal) included patient room bed table (multiple) (4BT), patient overbed table (multiple) (4OT), patient room sink (multiple) (4S), patient room bed table (single) (SBT), patient overbed table (single) (SOT), patient room sink (single) (SS), nurse desk (ND), and nurse wagon (NW)...
April 18, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28431934/etiological-analysis-and-epidemiological-comparison-among-adult-cap-and-nhcap-patients-in-okinawa-japan
#18
Gretchen Parrott, Daijiro Nebeya, Takeshi Kinjo, Kazuya Miyagi, Shusaku Haranaga, Futoshi Higa, Masao Tateyama, Jiro Fujita
BACKGROUND: Etiological epidemiology and diagnosis are important issues for CAP and NHCAP. Despite the availability of effective therapies, significant morbidity and mortality ensues. METHODS: We retrospectively analyzed the etiology of 200 pneumonia patients at the University of the Ryukyus Hospital. Patients were categorized into CAP (n = 97) or NHCAP (n = 103), according to the Japanese Respiratory Society guidelines. Diagnoses were made using clinical tests including, Gram stain, bacterial culture, serum and urinary tests...
April 18, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28427992/invasive-haemophilus-influenzae-infections-in-children-in-kamikawa-subprefecture-hokkaido-japan-2006-2015-the-effectiveness-of-h-%C3%A2-influenzae-type-b-vaccine
#19
Hiroshi Sakata, Yoko Adachi, Miyuki Morozumi, Kimiko Ubukata
We evaluated 24 children with invasive Haemophilus influenzae infections between 2006 and 2015 in Kamikawa subprefecture of Hokkaido, Japan. The most frequent disease was pneumonia in 12 cases (50.0%), followed by meningitis in 7 (29.2%) and bacteremia in 5 (20.8%). Patients ranged in age from 3 months to 12 years of age. Seventeen (70.8%) of the total were less than 2 years old. The incidence rate of H. influenzae infection varied from 15.1 to 36.3 per 100,000 population in the Kamikawa area during the period from 2006 through 2011...
April 17, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28427991/impact-of-the-pneumococcal-conjugate-vaccine-on-serotype-distribution-of-adult-non-invasive-streptococcus-pneumoniae-isolates-in-tokai-region-japan-2008-2016
#20
Yuri Furuya, Yuka Yamagishi, Hayato Okade, Takumi Kadota, Tori Funatsu, Maki Eto, Nobuhiko Nomura, Junichi Mitsuyama, Hiroshige Mikamo
The introduction of the 7-valent pneumococcal conjugate vaccine (PCV7) in February 2010 markedly reduced the burden of invasive pneumococcal disease and changed serotype distribution in Japan. In November 2013, PCV7 was replaced by the 13-valent pneumococcal conjugate vaccine (PCV13). We investigated the serotype distribution and susceptibility trends of non-invasive Streptococcus pneumoniae isolates collected from adult patients. A total of 504 pneumococcal isolates were collected during 4 periods between 2008 and 2016 (Period 1; between June 2008 and April 2009, Period 2; between September 2010 and March 2011, Period 3; between October 2011 and March 2012, Period 4; between August 2015 and January 2016)...
April 17, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
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