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Chen Ben David, Nicola L Bragazzi, Abdulla Watad, Kassem Sharif, Aaron Whitby, Howard Amital, Mohammad Adawi
RATIONALE: Hidradenitis suppurativa (HS) is a chronic inflammatory condition characterized by recurrent swollen, deep, and painful abscesses. Several autoimmune conditions have been shown to be associated with HS including inflammatory bowel disease and spondyloarthropathies. PATIENT CONCERNS: 40-year-old female with systemic lupus erythematous (SLE) presented with recurrent abscesses and nodules on her extremities. DIAGNOSIS: Early considerations related the described dermatologic findings to the dermatologic manifestations of SLE, however findings from lesion biopsy were suggestive of HS...
March 2018: Medicine (Baltimore)
Esmeralda Highton, M Guadalupe Pérez, Carola Cedillo Villamagua, María I Sormani, María S Mussini, Adela Isasmendi, José Pinheiró, Vanesa Reijtman, Moira Taicz, Alejandra Mastroianni, María E García, María T Rosanova
INTRODUCTION: Osteoarticular infections are an important cause of morbidity and may present with bacteremia. The epidemiology has changed in recent years. OBJECTIVES: To describe the epidemiological, clinical, and evolutionary characteristics of children with osteoarticular infections and compare patients with and without bacteremia. POPULATION AND METHODS: Retrospective cohort. Patients younger than 18 years admitted between January 1st, 2016 and December 31st, 2016 suspected of osteoarticular infections who had undergone an arthrocentesis and/or joint biopsy were included...
April 1, 2018: Archivos Argentinos de Pediatría
Gabriela Ensinck, Adriana Ernst, Gustavo Lazarte, Antonela Romagnoli, Yanina Sguassero, Nanci Míguez, Santiago López Papucci, Alicia Aletti, Ana Chiossone, Fernanda Pigozzi, Matías Pinotti, Ana Cantador
INTRODUCTION: Community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) infections are a common reason for consultation in pediatrics. Most of them present as skin and soft tissue infections; however, invasive infections have increased during the last decade. OBJECTIVES: The main objective was to describe the clinical-epidemiological characteristics of CA-MRSA infections. The secondary objective was to compare prevalence, clinical presentation and antibiotic susceptibility with a pre-study period (1/2004-12/2007)...
April 1, 2018: Archivos Argentinos de Pediatría
Yoshio Takesue, Shinya Kusachi, Hiroshige Mikamo, Junko Sato, Akira Watanabe, Hiroshi Kiyota, Satoshi Iwata, Mitsuo Kaku, Hideaki Hanaki, Yoshinobu Sumiyama, Yuko Kitagawa, Kazuhiko Nakajima, Takashi Ueda, Motoi Uchino, 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
The principle of empirical therapy for patients with intra-abdominal infections (IAI) should include antibiotics with activity against Enterobacteriaceae and Bacteroides fragilis group species. Coverage of Pseudomonas aeruginosa, Enterobacter cloacae, and Enterococcus faecalis is also recommended for hospital-associated IAI. A nationwide survey was conducted to investigate the antimicrobial susceptibility of pathogens isolated from postoperative IAI. All 504 isolates were collected at 26 institutions and referred to a central laboratory for susceptibility testing...
March 16, 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
G F Dall, S-T J Tsang, P J Gwynne, S P MacKenzie, A H R W Simpson, S J Breusch, M P Gallagher
Objectives: To evaluate putative anti-staphylococcal biofilm antibiotic combinations used in the management of periprosthetic joint infections (PJIs). Methods: Using the dissolvable bead biofilm assay, the minimum biofilm eradication concentration (MBEC) was determined for the most commonly used antimicrobial agents and combination regimens against staphylococcal PJIs. The established fractional inhibitory concentration (FIC) index was modified to create the fractional biofilm eradication concentration (FBEC) index to evaluate synergism or antagonism between antibiotics...
March 14, 2018: Journal of Antimicrobial Chemotherapy
Amarateedha H Prak, Kristina M Dela Rosa
With skin lesions that have failed previous treatments, consideration for an atypical mycobacteria, specifically Mycobacterium marinum, infection should be suspected. Importance of the history cannot be stressed as this is a clue that the patient may have been inoculated and infected in the field environment. A marine with chronic right knee plaque for 3 yr that first appeared after a field exercise at The Basic School but worsened despite treatment with clindamycin, TMP-SMX, and incision and drainage in 2012...
March 14, 2018: Military Medicine
Valérie A Zeller, Valérie-Anne Letembet, Vanina A Meyssonnier, Beate Heym, Jean-Marc Ziza, Simon D Marmor
BACKGROUND: Cutibacterium spp. (formerly Propionibacterium) are slow-growing cutaneous anaerobic commensals, rarely reported in prosthetic joint infections (PJIs). We describe epidemiological, clinical, biological, and radiological characteristics of 15 Cutibacterium avidum PJIs, their treatments, and outcomes. METHODS: This study is an observational, monocenter study (January 2004 to April 2017), with comparison of C avidum vs Cutibacterium acnes (n = 40) PJI characteristics...
February 12, 2018: Journal of Arthroplasty
Cinta Moraleda, Rachid Benmessaoud, Jessica Esteban, Yuly López, Hassan Alami, Amina Barkat, Tligui Houssain, Meryem Kabiri, Rachid Bezad, Saad Chaacho, Lola Madrid, Jordi Vila, Carmen Muñoz-Almagro, Jordi Bosch, Sara M Soto, Quique Bassat
PURPOSE: Group B streptococcus (GBS) is an important cause of neonatal sepsis worldwide. Data on the prevalence of maternal GBS colonization, risk factors for carriage, antibiotic susceptibility and circulating serotypes are necessary to tailor adequate locally relevant public health policies. METHODOLOGY: A prospective study including pregnant women and their newborns was conducted between March and July 2013 in Morocco. We collected clinical data and vagino-rectal and urine samples from the recruited pregnant women, together with the clinical characteristics of, and body surface samples from, their newborns...
March 15, 2018: Journal of Medical Microbiology
Ryan M Carnahan, Jennifer L Kuntz, Shirley V Wang, Candace Fuller, Joshua J Gagne, Charles E Leonard, Sean Hennessy, Tamra Meyer, Patrick Archdeacon, Chih-Ying Chen, Catherine A Panozzo, Sengwee Toh, Hannah Katcoff, Tiffany Woodworth, Aarthi Iyer, Sophia Axtman, Elizabeth A Chrischilles
PURPOSE: The Food and Drug Administration's Sentinel System developed parameterized, reusable analytic programs for evaluation of medical product safety. Research on outpatient antibiotic exposures, and Clostridium difficile infection (CDI) with non-user reference groups led us to expect a higher rate of CDI among outpatient clindamycin users vs penicillin users. We evaluated the ability of the Cohort Identification and Descriptive Analysis and Propensity Score Matching tools to identify a higher rate of CDI among clindamycin users...
March 13, 2018: Pharmacoepidemiology and Drug Safety
Julie Hui-Chih Wu, Bradley J Langford, Kevin L Schwartz, Rosemary Zvonar, Sumit Raybardhan, Valerie Leung, Gary Garber
Background: Antimicrobial allergy labels, either self-reported or placed in a patient's medical record, are common, but in many cases they are not associated with a true immunoglobulin E-mediated allergic response. Objective: To assess the impact of antimicrobial allergy labels on antimicrobial prescribing, resource utilization, and clinical outcomes. Data Sources: The MEDLINE, Embase, CINAHL, and Scopus electronic databases were searched for the period 1990 to January 2016...
January 2018: Canadian Journal of Hospital Pharmacy
Chris A Whitehouse, Shenia Young, Cong Li, Chih-Hao Hsu, Gordon Martin, Shaohua Zhao
Whole genome sequencing (WGS) has become a rapid and affordable tool for public health surveillance and outbreak detection. In this study, we used the Illuminia MiSeq® to sequence 589 Campylobacter isolates obtained in 2015 from retail poultry meats as part of the National Antimicrobial Resistance Monitoring System (NARMS). WGS data were used to identify the Campylobacter species and to compare the concordance between resistance genotypes and phenotypes. WGS accurately identified 386 C. jejuni and 203 C. coli using gyrA sequence information...
August 2018: Food Microbiology
Michael Schloss, Daniel Becak, Sebastian T Tosto, Arash Velayati
BACKGROUND Levofloxacin covers a broad spectrum of pathogens and is readily prescribed by clinicians. Hepatotoxicity is a known but unusual complication of levofloxacin use. Here, we present a case of severe transaminitis caused by levofloxacin. CASE REPORT A young man in his thirties with a history of asthma, chronic alcoholism, methamphetamine intravenous drug abuse (IVDA), and non-compliant insulin-dependent diabetes mellitus (IDDM) presented to an emergency department with suicidal ideation. Vital signs were stable and the patient was noted to have cellulitis of the right forearm, for which cultures were drawn, and he received IV clindamycin...
March 10, 2018: American Journal of Case Reports
Runjun Dowarah, Ashok Kumar Verma, Neeta Agarwal, Putan Singh, Bhoj Raj Singh
The present study was aimed to develop an effective probiotic lactic acid bacteria (LAB) from piglet feces and in vitro characterization of probiotic properties. To confirm host-species specificity of probiotics, the efficacy of isolated LAB on growth, nutrient utilization, health and antioxidant status was observed in early weaned piglets. A total of 30 LAB were isolated from feces of five healthy piglets (28d old). All isolates were Gram positive, cocco-bacilli and catalase negative. Out of thirty LAB isolates, twenty were shortlisted on the basis of their tolerance to pH (3...
2018: PloS One
Mathias Schwerdt, Claudia Neumann, Bianca Schwartbeck, Stefanie Kampmeier, Susann Herzog, Dennis Görlich, Angelika Dübbers, Jörg Große-Onnebrink, Christina Kessler, Peter Küster, Holger Schültingkemper, Janina Treffon, Georg Peters, Barbara C Kahl
BACKGROUND: Cystic fibrosis (CF) is an autosomal recessive disease associated with chronic airway infections by Staphylococcus aureus as one of the earliest and most prevalent pathogens. We conducted a retrospective study to determine the S. aureus infection status of CF patients treated since 1994 at two certified CF-centres in Münster, Germany, to get insights into the dynamics of S. aureus airway infection and the clinical impact on lung function on a long-term perspective. MATERIALS AND METHODS: We used data from our microbiological database collected between 1994 and 2016 for patients treated at two centres in Münster, Germany, respectively, to determine the infection status for S...
February 24, 2018: International Journal of Medical Microbiology: IJMM
Noelia Martínez, Roberto Luque, Christian Milani, Marco Ventura, Oscar Bañuelos, Abelardo Margolles
Bifidobacteria are mutualistic intestinal bacteria and their presence in the human gut has been associated with health-promoting activities. The presence of antibiotic resistance genes in this genus is controversial, since, although bifidobacteria are non-pathogenic microorganisms, they could serve as reservoirs of resistance for intestinal pathogens. However, until now, few antibiotic resistance determinants have been functionally characterized in this genus. In this work, we show that Bifidobacterium breve CECT7263 displays atypical resistance to erythromycin and clindamycin...
March 2, 2018: Applied and Environmental Microbiology
Ann W Plum, Anthony J Mortelliti, Ronald E Walsh
Abscesses in the head and neck frequently have odontogenic sources. As bacterial pathogens and antibiotic resistance patterns may change over time and based on location, we describe the current common bacteria found in odontogenic abscesses, the prevalence of antibiotic resistance, and differences in each between pediatric and adult patients in Upstate New York. This is a retrospective review of patients who underwent drainage of odontogenic abscesses (n = 131) from 2002 to 2012 at an academic institution. The medical records were reviewed for results of abscess cultures, comorbidities, and drainage procedures...
January 2018: Ear, Nose, & Throat Journal
Lina María Castaño-Jaramillo, C Beltrán-Arroyave, L C Santander-Peláez, A M Vélez-Escobar, C G Garcés-Samudio, Mónica Trujillo-Honeysberg
BACKGROUND: Skin and soft tissue infections (SSTI) are very common in children and Staphylococcus aureus is the main agent, with an increase of methicillin resistant strains (MRSA) in recent years. AIM: To identify the frequency of MRSA in skin and soft tissue infections (SSTI) in children from a high complex hospital in Medellin, Colombia. METHODS: This is a descriptive, retrospective study, information was obtained from medical records. We included patients younger than 18 years with SSTI due to S...
October 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
Jung-Whan Chon, Kun-Ho Seo, Dongryeoul Bae, Ji-Hee Park, Saeed Khan, Kidon Sung
Clostridium perfringens causes diarrhea and other diseases in animals and humans. We investigated the prevalence, toxin gene profiles, and antibiotic resistance of C. perfringens isolated from diarrheic and non-diarrheic dogs in two animal hospitals in Seoul, South Korea. Fecal samples were collected from clinically diarrheic (DD; n= 49) and non-diarrheic dogs (ND; n= 34). C. perfringens was isolated from 31 out of 49 DD (63%) and 21 out of 34 ND dogs (62%). All strains were positive for the α toxin gene, but not for the β , ε , and ι toxin genes; therefore, all the strains were identified as type A C...
February 27, 2018: Journal of Veterinary Science
Adrián Martínez-Meléndez, Laura Tijerina-Rodríguez, Rayo Morfin-Otero, Adrián Camacho-Ortíz, Licet Villarreal-Treviño, Hugo Sánchez-Alanís, Eduardo Rodríguez-Noriega, Simon D Baines, Samantha Flores-Treviño, Héctor Jesús Maldonado-Garza, Elvira Garza-González
OBJECTIVE: To assess drug susceptibility and characterize Clostridium difficile ribotypes in isolates from two tertiary-care hospitals in Mexico. METHODS: Isolates were evaluated for genotyping, antimicrobial susceptibility testing and detection of mutations associated with drug resistance. PCR ribotyping was performed using a combination of gel-based and capillary electrophoresis-based approaches. RESULTS: MIC50 and MIC90 were ≥128 mg/L for ciprofloxacin, erythromycin, clindamycin, and rifampicin...
February 27, 2018: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
P Montero-Miralles, J Martín-González, O Alonso-Ezpeleta, M C Jiménez-Sánchez, E Velasco-Ortega, J J Segura-Egea
Regenerative endodontic procedures (REPs) are biologically based procedures planned to replace damaged tissues, including dentinee and root structures, as well as cells of the pulp-dentine complex. Effective sterilization of the root canal is essential in REPs, and antibiotics have been widely used to disinfect root canals. The aim of this paper was to review the scientific literature on 1) Effectiveness of antibiotics used in REPs against bacteria implicated in endodontic disease; 2) Scientific evidence supporting the use of topical antibiotics in REPs; 3) Clinical implications of the use of antibiotics in REPs and the possible side effects; 4) Effect of antibiotics on dental pulp stem cells; and 5) Ongoing research on the use of antibiotics in REPs...
February 26, 2018: International Endodontic Journal
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