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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/28433607/transfer-of-vaginal-chloramphenicol-to-circulating-blood-in-pregnant-women-and-its-relationship-with-their-maternal-background-and-neonatal-health
#1
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
#2
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
#3
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/28431933/caspofungin-versus-micafungin-in-the-incidence-of-hepatotoxicity-in%C3%A2-patients-with-normal-to-moderate-liver-failure
#4
Yuichi Shibata, Mao Hagihara, Hideo Kato, Noriyo Kawasumi, Jun Hirai, Naoya Nishiyama, Nobuhiro Asai, Yusuke Koizumi, Yuka Yamagishi, Katsuhiko Matsuura, Hiroshige Mikamo
BACKGROUND: One of the major adverse events of caspofungin and micafungin is hepatotoxicity, however, there are few reports compared the incidence of hepatotoxicity between caspofungin and micafungin. Herein, the primary objective of this study was to compare the incidence of hepatotoxicity between caspofungin and micafungin treatments for patients with fungal or suspected fungal infection. METHODS: In total, 201 patients [caspofungin group: 66 patients; micafungin group: 135 patients] treated with echinocandins from April 2014 to November 2015 at Aichi Medical University Hospital...
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
#5
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
#6
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
https://www.readbyqxmd.com/read/28412134/clinical-courses-of-herpes-simplex-virus-induced-urethritis-in-men
#7
Shin Ito, Mitsuru Yasuda, Hiromi Kondo, Yoshiteru Yamada, Keita Nakane, Kosuke Mizutani, Tomohiro Tsuchiya, Shigeaki Yokoi, Masahiro Nakano, Takashi Deguchi
We retrieved clinical data of 13 men having herpes simplex virus (HSV)-induced non-gonococcal urethritis (NGU) without visible herpetic lesions. They visited a clinic in Sendai, Japan, between April 2013 and December 2015. All the men complained of dysuria. Meatitis was observed in 9 of the 13 men. Mononuclear cells were observed in the urethral smears from 9 men. The 13 men were treated with azithromycin or sitafloxacin regimen. First-voided urine (FVU) specimens became negative for HSV in 8 of the 10 men who returned to the clinic after antibacterial treatment, and urethritis symptoms were alleviated...
April 12, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28408304/analysis-of-imp-1-type-metallo-%C3%AE-lactamase-producing-acinetobacter-radioresistens-isolated-from-companion-animals
#8
Yui Kimura, Tadashi Miyamoto, Kotaro Aoki, Yoshikazu Ishii, Kazuki Harada, Masahisa Watarai, Shingo Hatoya
IMP-1 type metallo-β-lactamase-producing (MBL-producing) Acinetobacter radioresistens was isolated from a dog with cystitis and a cat with conjunctivitis. The MBL-producing A. radioresistens isolates were resistant to all of the β-lactam antibiotics used in the sensitivity tests, but were susceptible to gentamicin, amikacin, and minocycline. Also, one of the two strains of A. radioresistens was susceptible to ciprofloxacin and levofloxacin. These two cases were cured by administration of tetracyclines and fluoroquinolones, which elicited a positive result in the sensitivity tests...
April 10, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28408303/an-infant-case-with-hydrocephalus-as-the-initial-manifestation-of-mycoplasma-hominis-associated-meningitis
#9
Keisuke Taku, Takayuki Hoshina, Kaoru Haro, Shun Ichikawa, Tadamune Kinjo, Mayu Takahashi, Daisuke Akiba, Kazumasa Fukuda, Koichi Kusuhara
We report an infant with hydrocephalus as the initial manifestation of Mycoplasma hominis-associated meningitis, who recovered without appropriate antimicrobial treatment. The analysis of the 16S rRNA gene by polymerase chain reaction amplification using universal primers and pathogen-specific primers was useful for the diagnosis and the investigation of serial detection status of the pathogen. This method may be helpful for the assessment of the frequency and the prediction of severity in M. hominis-associated central nervous system infection in infants, and investigating the association between M...
April 10, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28408302/pharmacokinetics-of-linezolid-during-continuous-hemodiafiltration-a-case-report
#10
Takuya Yamashina, Moeko Tsuruyama, Miki Odawara, Minako Tsuruta, Hirochika Miyata, Aki Kozono, Yasuhiro Tsuji, Takanori Miyoshi, Yosei Kawamata, Yoichi Hiraki
The pharmacokinetics of linezolid clearance (CLLZD) during continuous hemodiafiltration (CHDF) has not been comprehensively analyzed. Here, we examined CLLZD by CHDF in a patient with septic shock and disseminated intravascular coagulation due to methicillin-resistant Staphylococcus aureus. The extraction ratio of LZD by CHDF was 22.6%, and the protein-binding rate was 17.9% ± 7.7%. In addition, it was determined that the calculated total body clearance of LZD was 30.2 mL/min, plasma elimination half-life was 8...
April 10, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28395939/a-case-series-of-histoplasmosis-patients-with-elevated-serum-soluble-interleukin-2-receptor-levels
#11
Tatsuro Hirayama, Takahiro Takazono, Kazuma Iwata, Hiroaki Senju, Takaharu Shimazaki, Masato Tashiro, Tomomi Saijo, Takeshi Tanaka, Shigeki Nakamura, Yoshifumi Imamura, Maiko Kojiro, Taiga Miyazaki, Misuzu Tsukamoto, Akitsugu Furumoto, Konosuke Morimoto, Yasunori Muraosa, Yuichi Matsubara, Katsunori Yanagihara, Hiroshi Mukae, Katsuhiko Kamei, Shigeru Kohno, Koichi Izumikawa
Histoplasmosis is a common endemic mycosis that is usually asymptomatic but occasionally results in severe illness. Histoplasmosis and its causative agent, Histoplasma capsulatum, are found worldwide but rarely in Japan. In recent years, however, the number of histoplasmosis patients in Japan has increased. In addition, to our knowledge, there are no previous reports of increased serum soluble interleukin-2 receptor (sIL-2R) levels in patients with histoplasmosis. We report a case series of histoplasmosis in three Japanese temporary workers in Manzanillo, Mexico...
April 8, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28391954/antimicrobial-susceptibility-of-pathogens-isolated-from-surgical-site-infections-in-japan-comparison-of-data-from-nationwide-surveillance-studies-conducted-in-2010-and-2014-2015
#12
Yoshio Takesue, Shinya Kusachi, Hiroshige Mikamo, Junko Sato, Akira Watanabe, Hiroshi Kiyota, Satoshi Iwata, Mitsuo Kaku, Hideaki Hanaki, Yoshinobu Sumiyama, Yuko Kitagawa, Toru Mizuguchi, Yoshiyasu Ambo, Masafumi Konosu, Keiichiro Ishibashi, Akihisa Matsuda, Kazuo Hase, Yasushi Harihara, Koji Okabayashi, Shiko Seki, Takuo Hara, Koshi Matsui, Yoichi Matsuo, Minako Kobayashi, Shoji Kubo, Kazuhisa Uchiyama, Junzo Shimizu, Ryohei Kawabata, Hiroki Ohge, Shinji Akagi, Masaaki Oka, Toshiro Wakatsuki, Katsunori Suzuki, Kohji Okamoto, Katsunori Yanagihara
A nationwide survey was conducted in Japan from 2014 to 2015 to investigate the antimicrobial susceptibility of pathogens isolated from surgical site infections (SSI). The resulting data were compared with that obtained in an earlier survey, conducted in 2010. Seven main organisms were collected, and 883 isolates were studied. A significant reduction in methicillin resistance was observed among Staphylococcus aureus isolates, dropping from 72.5% in 2010 to 53.8% in 2014-2015 (p < 0.001). MRSA isolates with a vancomycin minimum inhibitory concentration (MIC) of 2 μg/mL accounted for 1...
April 5, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28389166/roussoella-solani-causing-keratomycosis-with-an-observed-both-sexual-and-asexual-morphs
#13
Kiyofumi Mochizuki, Takashi Nishida, Kazuhiro Murata, Kyoko Ishida, Atsuko Sunada, Seishi Asari, Kiyofumi Ohkusu, Kazuaki Tanaka
We describe an 82-year-old male farmer who had diabetes mellitus with no history of ocular trauma by soil or plants and who developed a corneal infection due to a fungus. The organism was identified as Roussoella solani based on both the morphological characteristics and phylogenetic analysis using LSU and ITS nrDNA sequences. The sexual stage of R. solani is described and illustrated for the first time. The patient was treated successfully with a combination of topical and systemic voriconazole and micafungin...
April 4, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28389165/cytomegalovirus-retinitis-followed-by-immune-recovery-uveitis-in-an-elderly-patient-with-rheumatoid-arthritis-undergoing-administration-of-methotrexate-and-tofacitinib-combination-therapy
#14
Kunio Yanagisawa, Yoshiyuki Ogawa, Mayumi Hosogai, Daisuke Todokoro, Takeki Mitsui, Akihiko Yokohama, Shoji Kishi, Hiroshi Handa
Cytomegalovirus (CMV) retinitis is an opportunistic ocular infection most commonly observed in patients infected with human immunodeficiency virus (HIV). We present a rare case of CMV retinitis that developed in a non-HIV patient with rheumatoid arthritis (RA). Over the preceding 5 months, a family doctor had been treating the 78-year-old male patient with a combination therapy of methotrexate (MTX) and tofacitinib (TOF). CMV retinitis occurred when the patient's CD4+ T cells were low (196 cells/μl), and preceded the onset of Pneumocystis pneumonia...
April 4, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28389164/bactericidal-activity-and-post-antibiotic-effect-of-ozenoxacin-against-propionibacterium-acnes
#15
Shoji Kanayama, Kazuaki Okamoto, Fumiaki Ikeda, Ritsuko Ishii, Tatsumi Matsumoto, Naoki Hayashi, Naomasa Gotoh
Ozenoxacin, a novel non-fluorinated topical quinolone, is used for the treatment of acne vulgaris in Japan. We investigated bactericidal activity and post-antibiotic effect (PAE) of ozenoxacin against Propionibacterium acnes, a major causative bacterium of acne vulgaris. The minimum inhibitory concentrations (MICs) of ozenoxacin against 3 levofloxacin-susceptible strains (MIC of levofloxacin; ≤4 μg/mL) and 3 levofloxacin-resistant strains (MIC of levofloxacin; ≥8 μg/mL) ranged from 0.03 to 0.06 μg/mL and from 0...
April 4, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28385567/the-first-case-report-of-infective-endocarditis-caused-by-gemella-taiwanensis
#16
Mayu Hikone, Naoya Sakamoto, Masayuki Ota, Takuya Washino, Ken-Ichiro Kobayashi, Sentaro Iwabuchi, Haruko Kazama, Akiko Kounosu, Kumiko Negishi, Yusuke Ainoda, Shigekazu Iguchi, Atsushi Yoshida, Ken Kikuchi, Kenji Ohnishi
Gemella is a facultative anaerobic Gram-positive coccus and a rare cause of infective endocarditis (IE). Gram staining may eventually misidentify the organism, which tends to easily decolorize and manifest as either Gram-negative or Gram-variable. Commercial biochemical tests are often used to identify Gemella, but the methods they employ sometimes lack accuracy. A 52-year-old woman was diagnosed with Gemella taiwanensis IE after initial identification of the pathogen as Gemella haemolysans using biochemical tests combined with matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS)...
April 3, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28385566/pinocembrin-enriched-fraction-of-elytranthe-parasitica-l-danser-induces-apoptosis-in-hct-116-colorectal-cancer-cells
#17
Nimmy Kumar, Subhankar Biswas, Akhila Hosur Shrungeswara, Sanchari Basu Mallik, Mathew Hipolith Viji, Jessy Elizabeth Mathew, Jesil Mathew, K Nandakumar, Richard Lobo
BACKGROUND: Colorectal cancer (CRC) is a highly predominant malignancy affecting millions worldwide. Plants belonging to Loranthaceae family have remarkable chemopreventive properties. OBJECTIVE: The goal of the present study was to assess the antiproliferative and apoptosis-inducing effects of stem parts of Elytranthe parasitica (L.) Danser (EP) on colorectal cancer and identify the bioactive phytochemicals. MATERIAL AND METHODS: EP methanol extract (EP...
April 3, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28385565/a-10-year-profile-of-enterococcal-bloodstream-infections-at-a-tertiary-care-hospital-in-japan
#18
Hiroyuki Suzuki, Ryota Hase, Yoshihito Otsuka, Naoto Hosokawa
OBJECTIVES: The first aim of this study is to characterize the epidemiology of enterococcal bloodstream infections (BSIs) at a Japanese tertiary-care hospital. The second aim is to identify predictive factors for 30-day mortality. METHODS: We conducted a single center retrospective observational study. All patients with enterococcal BSI between 2005 and 2014 were enrolled. Univariate and multivariate analysis were performed to evaluate predictive factors for 30-day mortality...
April 3, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28372894/the-additional-role-of-xpert-mtb-rif-in-the-diagnosis-of-intrathoracic-tuberculous-lymphadenitis
#19
Jinwoo Lee, Sun Mi Choi, Chang-Hoon Lee, Sang-Min Lee, Jae-Joon Yim, Chul-Gyu Yoo, Young Whan Kim, Sung Koo Han, Young Sik Park
BACKGROUND: Diagnosis of intrathoracic tuberculosis (TB) lymphadenitis remains a challenge because of difficulties in obtaining adequate tissue and the lack of a sensitive test. Recently, Xpert MTB/RIF assay is being used for rapid diagnosis of pulmonary TB, but it has not yet been widely validated in intrathoracic TB lymphadenitis. The aim of this study was to assess the additional role of Xpert MTB/RIF in diagnosing intrathoracic TB lymphadenitis using endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) specimen...
March 31, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28351614/a-cat-has-9-lives-the-dilemma-of-diagnosing-non-hodgkin-s-lymphoma-in-intensive-care-unit
#20
Vandana Pandey, Saurabh Saigal, Ritika Dhurwe, J P Sharma, Rajnish Joshi
Non hodgkins lymphoma is a common haematological malignancy characterized by abnormal clonal proliferation of T-cells, B-cells or both. The incidence of non hodgkins lymphoma is rapidly rising. The diagnosis and management of NHL presents as a challenge in developing countries like India due to high prevalence of tuberculosis, cost and poor patient compliance. We describe an unusual case of a patient who presented as a diagnostic dilemma and took 8 diagnosis before finally being confirmed as a case of NHL. A suspicion for NHL should always be kept in mind in a patient presenting with pneumonia, bilateral pulmonary infiltrates and eosinophilia...
March 25, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
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