Article
Microbiology
Maya Frank Wolf, Raneen Abu Shqara, Karina Naskovica, Inna Amdur Zilberfarb, Inshirah Sgayer, Daniel Glikman, Hagai Rechnitzer, Vered Fleisher Sheffer, Jacob Bornstein
Summary: Maternal carriage and vertical transmission of ESBL-E pose a threat to preterm infants, leading to higher rates of complications. In this study, a correlation was found between placental inflammation and maternal ESBL-E colonization, highlighting the importance of surveillance and preventive measures.
Article
Infectious Diseases
Antonio Mandujano, Diana Veronica Cortes-Espinosa, Jose Vasquez-Villanueva, Paulina Guel, Gildardo Rivera, Karina Juarez-Rendon, Wendy Lizeth Cruz-Pulido, Guadalupe Aguilera-Arreola, Abraham Guerrero, Virgilio Bocanegra-Garcia, Ana Veronica Martinez-Vazquez
Summary: This study investigated the antimicrobial resistance profile of ESBL-producing E. coli among food-producing animals in Tamaulipas, Mexico. A total of 200 fecal samples were collected and 5.0% of the strains were confirmed as ESBL producers. High percentage of antimicrobial resistance was observed against gentamicin, tetracycline, and streptomycin. The study suggests that food-producing animals may serve as reservoirs and contribute to the spread of ESBL-producing bacteria.
Article
Engineering, Environmental
Aradhana Basu, Ananyo Jyoti Misra, Meerambika Behera, Susanta Kumar Behera, Ashish Kumar Nayak, Nabin Kumar Dhal, Amrita Mishra, Bijoy Kumar Satpathy, Cecilia Stalsby Lundborg, Suraj K. Tripathy
Summary: The study demonstrates successful photocatalytic disinfection of MDR Escherichia coli using Alumina/ZnO heterostructures. The proposed technique shows efficacy in disinfecting various bacteria and exhibits biocompatibility towards animal models.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Medicine, General & Internal
Monica Romero Nieto, Sara Maestre Verdu, Vicente Gil, Carlos Perez Barba, Jose Antonio Quesada Rico, Reyes Pascual Perez
Summary: This study identified male sex, smoking, hypertension, urinary incontinence, and recurrent urinary tract infections as independent factors associated with the presence of ESBL-producing E. coli in patients with acute community-acquired pyelonephritis. The multivariate logistic models could correctly classify individuals with ESBL-producing E. coli infection in 80.2% of cases.
JOURNAL OF CLINICAL MEDICINE
(2021)
Article
Veterinary Sciences
Dennis J. Woerde, Krystle L. Reagan, Barbara A. Byrne, Bart C. Weimer, Steven E. Epstein, Cory Schlesener, Bihua C. Huang, Jane E. Sykes
Summary: This study examined ESBL-producing bacterial infections in dogs and cats presenting to a veterinary teaching hospital from 2011-2021. Escherichia coli was the most commonly identified bacterial species, with urinary tract infection being the most common clinical presentation. Multi-drug resistance was present in 90% of ESBL-producing bacterial infections. Based on susceptibility patterns, antimicrobials such as piperacillin-tazobactam, amikacin, and cefoxitin may be alternative antibiotics to the current recommended regimen. Whole genome sequencing of bacteria revealed bla(CTX-M-15) as the most common ESBL gene.
VETERINARY SCIENCES
(2023)
Article
Microbiology
Anna R. Holtmann, Diana Meemken, Anja Mueller, Diana Seinige, Kathrin Buettner, Klaus Failing, Corinna Kehrenberg
Summary: This study revealed the presence of ESBL-/AmpC-E. coli in wild boars, with a significant positive association with human population density. The E. coli isolates carried various β-lactamase genes and showed multiple drug resistances.
Article
Immunology
Mabel Kamweli Aworh, Eme Ekeng, Pernille Nilsson, Beverly Egyir, Christian Owusu-Nyantakyi, Rene S. Hendriksen
Summary: This study investigated the zoonotic transmission of extended-spectrum beta-lactamase-producing E. coli (ESBL-EC) among humans, beef cattle, and abattoir environments in Nigeria. The study found a high prevalence of ESBL-EC in beef cattle and abattoir workers, highlighting the importance of genomic surveillance and raising awareness among healthcare workers.
FRONTIERS IN CELLULAR AND INFECTION MICROBIOLOGY
(2022)
Article
Microbiology
Francesca Leoni, Luca Sacchini, Silvia Pieralisi, Gabriele Angelico, Chiara Francesca Magistrali, Lucilla Cucco, Francesca Romana Massacci, Elisa Albini, Anna Duranti, Cesare Camma, Barbara Secondini, Antonio Rinaldi, Francesca Barchiesi
Summary: This study investigated the occurrence of ESBL-producing E. coli in clams collected from the Central Adriatic Sea. The results showed that approximately 3% of the samples contained ESBL-producing E. coli, with the majority of the isolates being multidrug-resistant. These findings suggest that E. coli could serve as an indicator organism for ESBL-producing E. coli in bivalves.
FRONTIERS IN MICROBIOLOGY
(2023)
Article
Multidisciplinary Sciences
Azanaw Amare, Setegn Eshetie, Desie Kasew, Feleke Moges
Summary: This study aimed to assess the fecal carriage rate, associated factors, and antimicrobial resistance patterns of Extended-spectrum beta-lactamase and Carbapenemase-producing Enterobacteriaceae (ESBL-PE and CRE) among food handlers at the University of Gondar Cafeterias in Northwest Ethiopia. The results showed a high fecal carriage rate of multidrug-resistant bacteria among food handlers, with E. coli being the most common bacteria. This study highlights the risk of resistant bacteria spreading to the community. Therefore, it is necessary to strengthen and promote infection prevention measures to prevent the spread of drug-resistant bacteria.
Article
Microbiology
Katharina Meissner, Carola Sauter-Louis, Stefan E. Heiden, Katharina Schaufler, Herbert Tomaso, Franz J. Conraths, Timo Homeier-Bachmann
Summary: Antimicrobial resistance is a growing global problem in the treatment of bacterial infections in animals and humans. This study found that ESBL-positive E. coli, especially of the CTX-M type, were present in both conventional and organic pig farms. The percentage of ESBL-positive pens was higher on conventional farms and varied greatly on organic farms. The farms of origin appeared to have a major influence on the occurrence of ESBL-producing E. coli in the fattening farms.
Article
Multidisciplinary Sciences
Gabriel Lignieres, Andre Birgy, Camille Jung, Stephane Bonacorsi, Corinne Levy, Francois Angoulvant, Emmanuel Grimprel, Marie Aliette Dommergues, Yves Gillet, Irina Craiu, Alexis Rybak, Loic De Pontual, Francois Dubos, Emmanuel Cixous, Vincent Gajdos, Didier Pinquier, Isabelle Andriantahina, Valerie Soussan-Banini, Emilie Georget, Elise Launay, Olivier Vignaud, Robert Cohen, Fouad Madhi
Summary: The AC-cefixime combination is a viable treatment option for managing febrile urinary tract infections caused by ESBL-producing Enterobacteriaceae, with similar recurrence rates to cotrimoxazole and ciprofloxacin at 1 month post-treatment.
Article
Infectious Diseases
Toyotaka Sato, Shin-ichi Yokota, Tooru Tachibana, Satoshi Tamai, Shigeki Maetani, Yutaka Tamura, Motohiro Horiuchi
Summary: The study found that companion animals can carry fluoroquinolone-resistant Escherichia coli, which may be associated with human clinical infections and can potentially be transmitted to their owners.
Article
Infectious Diseases
Antonella Santona, Jose Joao Sumbana, Maura Fiamma, Massimo Deligios, Elisa Taviani, Samuel Elija Simbine, Tomas Zimba, Jahit Sacarlal, Salvatore Rubino, Bianca Paglietti
Summary: ESBL-producing ExPEC, including high-risk lineages, were identified in extraintestinal infections at Maputo Central Hospital. The majority of isolates showed multidrug resistance, with ESBL genes associated with resistance to cefotaxime and ceftazidime. Furthermore, different sequence types were found to carry CTX-M transposition units, potentially facilitating the dissemination of ESBL genes. Genomic analysis revealed a diverse array of virulence-associated genes and clonality among isolates, suggesting the presence of hospital-acquired infections and long-term persistence.
INTERNATIONAL JOURNAL OF ANTIMICROBIAL AGENTS
(2022)
Article
Infectious Diseases
Michel Baez, Ivette Espinosa, Alexandra Collaud, Iliana Miranda, Damarys de las Nieves Montano, Angel L. Feria, Rosa Elena Hernandez-Fillor, Dasiel Obregon, Pastor Alfonso, Vincent Perreten
Summary: This study found an increasing number of third-generation cephalosporin-resistant Escherichia coli (3GC-R-Ec) in poultry from seven farms in the Cuban province of Mayabeque. The isolates were found to contain multiple resistance genes, belong to various sequence types and phylogroups, revealing a genetically diverse population of multiresistant ESBL-producing E. coli in Cuban poultry farms.
Article
Veterinary Sciences
Zeeshan Nawaz, Bilal Aslam, Muhammad Asif Zahoor, Abu Baker Siddique, Azhar Rafique, Rizwan Aslam, Muhammad Usman Qamar, Sultan Ali, Mutshera ul Mubeen
Summary: The study found a higher contamination rate of E. coli in chicken samples compared to mutton samples, a higher frequency of E. coli in fresh meat compared to frozen meat, and widespread antibiotic resistance and multi-drug resistance among isolates, with some strains producing ESBLs.
PAKISTAN VETERINARY JOURNAL
(2021)
Article
Infectious Diseases
Yoshifumi Kubota, Haruhiko Ishioka, Sohei Harada, Masahiro Suzuki, Junji Shiotsuka, Alan Kawarai Lefor, Masamitsu Sanui
Summary: This study reported a case of rapidly developing emphysematous cholecystitis and disseminated infection caused by Klebsiella pneumoniae K2 strains, highlighting the need for clinicians in East Asia to be aware of fulminant infections caused by hypervirulent K2 strains, especially in patients with community-acquired K. pneumoniae infections. Further epidemiological studies are needed to understand the clinical features associated with virulence of K. pneumoniae K2 strains.
JOURNAL OF INFECTION AND CHEMOTHERAPY
(2021)
Article
Cardiac & Cardiovascular Systems
Itsuki Osawa, Koh Okamoto, Mahoko Ikeda, Amato Otani, Yuji Wakimoto, Marie Yamashita, Takayuki Shinohara, Yoshiaki Kanno, Daisuke Jubishi, Makoto Kurano, Sohei Harada, Shu Okugawa, Yutaka Yatomi, Kyoji Moriya
Summary: A retrospective study analyzed COVID-19 patients treated with nafamostat mesylate, categorizing them into three subgroups based on different risk levels. The findings suggest that admission characteristics can predict the likelihood of subsequent coagulopathy in COVID-19 patients.
JOURNAL OF THROMBOSIS AND THROMBOLYSIS
(2021)
Article
Multidisciplinary Sciences
Takuya Shimura, Makoto Kurano, Yoshiaki Kanno, Mahoko Ikeda, Koh Okamoto, Daisuke Jubishi, Sohei Harada, Shu Okugawa, Kyoji Moriya, Yutaka Yatomi
Summary: In COVID-19 patients, distinctive coagulation abnormalities were found in clot waveform analyses, showing specific patterns in APTT tests. These abnormal patterns, such as early shoulder type, late shoulder type, or biphasic type, were not seen in patients with disseminated intravascular coagulation, but were similar to patterns seen in patients with certain blood disorders. Plasma fibrinogen levels may play a role in these abnormal patterns, which were most frequent around 2 weeks post COVID-19 onset and not linked to disease severity.
SCIENTIFIC REPORTS
(2021)
Article
Infectious Diseases
Sohei Harada, Kotaro Aoki, Daisuke Ohkushi, Koh Okamoto, Kazumi Takehana, Tomomi Akatsuchi, Keito Ida, Daigo Shoji, Yoshikazu Ishii, Yohei Doi, Kyoji Moriya, Brian Hayama
Summary: Limited information has been available on the clinical and microbiological characteristics of IMP-producing Enterobacterales. Here, we report an institutional outbreak of IMP-producing Enterobacter cloacae complex (ECC) involving multiple clades of ECC sequence type (ST) 78 strains. Whole-genome sequencing analysis revealed three different clades of ST78 strains were responsible for the outbreak, with most IMP-producing ECC strains being susceptible to non-beta-lactam antibiotics and having relatively low minimum inhibitory concentrations to carbapenems, resulting in favorable treatment outcomes for patients compared to infections caused by other carbapenemase-producing Enterobacterales.
BMC INFECTIOUS DISEASES
(2021)
Article
Infectious Diseases
Kazuya Okushin, Rie Suzuki, Takeya Tsutsumi, Koh Okamoto, Kazuhiko Ikeuchi, Akira Kado, Chihiro Minatsuki, Yuka Minami-Kobayashi, Nobuhiko Satoh, Mahoko Ikeda, Sohei Harada, Kenichiro Enooku, Hidetaka Fujinaga, Hiroshi Yotsuyanagi, Kazuhiko Koike, Kyoji Moriya
Summary: This study found that the actual HCV RNA positivity rate in source patients of needle-stick injuries decreased after the emergence of interferon-free direct-acting antivirals (DAAs). It was also noted that HCV RNA-negative patients were predominant in departments not related to liver diseases in the era of interferon-free DAAs.
BMC INFECTIOUS DISEASES
(2021)
Article
Oncology
Koichi Takeda, Sohei Harada, Brian Hayama, Kosuke Hoashi, Taisuke Enokida, Toshiharu Sasaki, Koh Okamoto, Kenji Nakano, Daisuke Ohkushi
Summary: The risk factors for Pneumocystis jirovecii pneumonia (PCP) in patients with solid tumors are not fully understood. Besides prolonged corticosteroid use, factors like lymphocytopenia and chest radiation therapy may contribute to the development of PCP. A method to estimate the likelihood of PCP in this patient population considering multiple factors is needed.
Article
Multidisciplinary Sciences
Miyuki Mizoguchi, Sohei Harada, Koh Okamoto, Yoshimi Higurashi, Mahoko Ikeda, Kyoji Moriya
Summary: A study compared the diagnostic performance of NAATs approved in Japan using frozen-stored clinical samples, revealing differences in sensitivity and specificity among the tests. A system is needed to ensure both rapid reagent supply and accurate diagnosis for diagnostic kits of emerging infectious diseases. Ct values obtained by different assays are not interchangeable.
Article
Infectious Diseases
Yoshifumi Morita, Makoto Kurano, Daisuke Jubishi, Mahoko Ikeda, Koh Okamoto, Masami Tanaka, Sohei Harada, Shu Okugawa, Kyoji Moriya, Yutaka Yatomi
Summary: This study compared urine sediment findings between COVID-19 patients and non-COVID-19 patients with acute renal injuries, and found that certain urine sediment particles and biochemical markers were associated with the severity of COVID-19.
INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES
(2022)
Review
Infectious Diseases
Keiji Nakamura, Hidetoshi Nomoto, Sohei Harada, Masahiro Suzuki, Keina Yomono, Ritsuko Yokochi, Noboru Hagino, Takato Nakamoto, Yuki Moriyama, Kei Yamamoto, Satoshi Kutsuna, Norio Ohmagari
Summary: This article reports two cases of K1-ST23 hvKp infections from East Asia, one of which experienced multiple organ involvement requiring surgical treatment, while the other only required antimicrobial therapy. Both cases were identified to have been infected with hvKp.
JOURNAL OF INFECTION AND CHEMOTHERAPY
(2021)
Article
Microbiology
Yuki Ohama, Kotaro Aoki, Sohei Harada, Tatsuya Nagasawa, Tomoo Sawabe, Lisa Nonaka, Kyoji Moriya, Yoshikazu Ishii, Kazuhiro Tateda
Summary: Although Shewanella spp. are commonly found in marine environments, they can also cause human infections. This study compared the genetic characteristics of clinical and environmental isolates, revealing most clinical isolates as members of the S. algae Glade and environmental isolates as other Shewanella species. The carbapenem-resistant isolate showed increased bla(OXA-55-like) transcription and beta-lactamase activity, indicating the need for further research on the clinical significance and resistance mechanisms of S. algae Glade members.
Article
Microbiology
Sohei Harada, Masahiro Suzuki, Toshiharu Sasaki, Aki Sakurai, Masato Inaba, Hosoda Takuya, Mitsutaka Wakuda, Yohei Doi
Summary: Carbapenemase-producing Escherichia coli strains were isolated from two international visitors without previous medical exposure in a hospital in Japan. The isolates carried different resistance genes and displayed high genetic similarity to strains isolated in South and Southeast Asian countries. This study highlights the need for active surveillance of travelers from countries with endemic carbapenem-resistant organisms, even in the absence of local hospitalization history.
MICROBIOLOGY SPECTRUM
(2021)
Editorial Material
Dentistry, Oral Surgery & Medicine
Kazuto Hoshi, Tetsuro Ikebe, Yoshihide Ota, Hiromitsu Kishimoto, Takeshi Kurata, Hiroshi Kurita, Kentaro Sakamaki, Toshihiko Takenobu, Sohei Harada, Toru Ogasawara, Kanchu Tei, Tadaaki Kirita
JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY MEDICINE AND PATHOLOGY
(2022)
Article
Microbiology
Kosuke Hoashi, Brian Hayama, Masahiro Suzuki, Aki Sakurai, Kazumi Takehana, Taisuke Enokida, Koichi Takeda, Daisuke Ohkushi, Yohei Doi, Sohei Harada
Summary: Piperacillin-tazobactam may be an effective option for treating ESBL-producing Escherichia coli bacteremia in areas with low frequency of OXA-1 co-production.
MICROBIOLOGY SPECTRUM
(2022)
Article
Microbiology
Yuki Ohama, Yusuke Nomura, Miyuki Mizoguchi, Yoshimi Higurashi, Koh Okamoto, Sohei Harada
Summary: Recent use of bacterial whole-genome sequencing has led to the discovery of new bacterial species and reclassification of taxonomy. Accurate identification methods for bacterial species in clinical microbiology laboratories are limited. This study found that matrix-assisted laser desorption ionization-time of flight (MALDI-TOF) mass spectrometry can accurately identify Klebsiella variicola. Accurate identification will help in studying the clinical characteristics of K. variicola.
MICROBIOLOGY SPECTRUM
(2022)
Article
Infectious Diseases
Ryo Yamaguchi, Takehito Yamamoto, Koh Okamoto, Sohei Harada, Miho Echizenya, Takeya Tsutsumi, Tappei Takada
Summary: This study assessed the effectiveness and safety of teicoplanin compared with vancomycin for treating glycopeptide-susceptible Enterococcus faecium (GSEF) bacteraemia. The results showed that teicoplanin is non-inferior to vancomycin in treating GSEF bacteraemia and significantly reduces the risk of acute kidney injury.
JOURNAL OF ANTIMICROBIAL CHEMOTHERAPY
(2023)