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https://www.readbyqxmd.com/read/29223936/-relationship-between-crowding-and-community-acquired-skin-and-soft-tissues-infections
#1
Marcelo A Beltrán, Horacio J García Del Corro, Mónica Couso, María D Gallo, Antonio Lettieri, Patricia V Barna
The association of the spread of community infections with poverty and overcrowding is well known. In our hospital, located in José C. Paz, we assist sporadic cases of post-cesarean infections caused by community acquired methicillin-resistant Staphylococcus aureus (CaMRSA). In a prospective study of families treated at our hospital, we investigated the relationship between a history of skin and soft tissue infections (SSTI) and extreme overcrowding defined as households with unsatisfied basic needs type 3 (NBI 3)...
2017: Medicina
https://www.readbyqxmd.com/read/29222165/innate-sex-bias-of-staphylococcus-aureus-skin-infection-is-driven-by-%C3%AE-hemolysin
#2
Moriah J Castleman, Srijana Pokhrel, Kathleen D Triplett, Donna F Kusewitt, Bradley O Elmore, Jason A Joyner, Jon K Femling, Geetanjali Sharma, Helen J Hathaway, Eric R Prossnitz, Pamela R Hall
Numerous studies have reported sex bias in infectious diseases, with bias direction dependent on pathogen and site of infection. Staphylococcus aureus is the most common cause of skin and soft tissue infections (SSTIs), yet sex bias in susceptibility to S. aureus SSTI has not been described. A search of electronic health records revealed an odds ratio of 2.4 for S. aureus SSTI in males versus females. To investigate the physiological basis of this bias, we compared outcomes between male and female mice in a model of S...
December 8, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29164118/infections-caused-by-antimicrobial-drug-resistant-saprophytic-gram-negative-bacteria-in-the-environment
#3
Eva Raphael, Lee W Riley
Background: Drug-resistance genes found in human bacterial pathogens are increasingly recognized in saprophytic Gram-negative bacteria (GNB) from environmental sources. The clinical implication of such environmental GNBs is unknown. Objectives: We conducted a systematic review to determine how often such saprophytic GNBs cause human infections. Methods: We queried PubMed for articles published in English, Spanish, and French between January 2006 and July 2014 for 20 common environmental saprophytic GNB species, using search terms "infections," "human infections," "hospital infection...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/29162127/association-of-the-s2-allele-of-the-ssti-polymorphism-in-the-apoc3-gene-with-plasma-apociii-interacts-with-unfavorable-lipid-profiles-to-contribute-to-atherosclerosis-in-the-li-ethnic-group-in-china
#4
Minzeng Sun, Lin Chen, Hui Liu, Lihui Ma, Tiansong Wang, Yueli Liu
BACKGROUND: The SstI polymorphism in the apolipoprotein 3 gene (apoC3) has been identified in many ethnic groups. In addition, the S2 allele of the SstI polymorphism is shown to be associated with increased plasma triglyceride (TG) levels. Plasma apoCIII is an important atherogenic factor, which interrupts lipid metabolism and is positively associated with plasma TG levels. However, the existence of the SstI polymorphism in the Li ethnic group in China remains to be confirmed. The relationship between the S2 allele of the SstI polymorphism and plasma apoCIII or TG and their roles in atherosclerosis are also unknown...
November 21, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29124834/prevalence-and-characterization-of-staphylococcus-aureus-causing-community-acquired-skin-and-soft-tissue-infections-on-java-and-bali-indonesia
#5
Dewi Santosaningsih, Sanarto Santoso, Nanik Setijowati, Harun A Rasyid, Nyoman S Budayanti, Ketut Suata, Dicky B Widhyatmoko, Priyo B Purwono, Kuntaman Kuntaman, Damayanti Damayanti, Cita R S Prakoeswa, Mitchell Laurens, Josephine W I van Nierop, Geraldine L Nanninga, Neline Oudenes, Michelle de Regt, Susan V Snijders, Henri A Verbrugh, Juliëtte A Severin
OBJECTIVES: To define the role of Staphylococcus aureus in community settings among patients with skin and soft tissue infections (SSTI) in Indonesia. METHODS: S. aureus were cultured from anterior nares, throat, and wounds of 567 ambulatory patients presenting with SSTI. The mecA gene and genes encoding Panton-Valentine leukocidin (PVL; lukF-PV and lukS-PV) and exfoliative toxin (ET; eta and etb) were determined by PCR. Clonal relatedness among methicillin-resistant S...
November 10, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/29102120/antimicrobial-resistance-in-clinical-escherichia-coli-isolated-from-companion-animals-in-australia
#6
Sugiyono Saputra, David Jordan, Tahlia Mitchell, Hui San Wong, Rebecca J Abraham, Amanda Kidsley, John Turnidge, Darren J Trott, Sam Abraham
Multidrug-resistant (MDR) Escherichia coli have become a major public health concern to both humans and animal health. While the frequency of antimicrobial resistance (AMR) in clinical E. coli is monitored regularly in human medicine, current frequency of AMR in companion animals remains unknown in Australia. In this study we conducted antimicrobial susceptibility testing (AST) and where possible, determined potential risk factors for MDR infection among 883 clinical Escherichia coli isolated from dogs (n=514), cats (n=341) and horses (n=28)...
November 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/29090420/soft-tissue-infection-secondary-to-cellulitis-killed-st-john-of-the-cross-1542-1591
#7
Raffaella Bianucci, Otto Appenzeller, Peter Evans, Philippe Charlier, Antonio Perciaccante
PURPOSE: St. John of the Cross (1542-1591) died aged 49 years after 3 months of excruciating pain following a trivial lesion in his right foot. Erysipelas, a superficial bacterial infection of the skin, and subsequent sepsis were previously suggested as the cause of his death. Here, an alternative diagnosis is proposed. METHODS: An accurate perusal of his biography allowed the symptomatology, the clinical evolution, the depth of the infection and the associated systemic manifestations displayed by Fray John to be reconstructed...
October 31, 2017: Infection
https://www.readbyqxmd.com/read/29074158/staphylococcus-aureus-colonization-during-military-service-a-prospective-cohort-study
#8
Hege Vangstein Aamot, Petri Kaarlo Juhani Eskonsipo, Silje Bakken Jørgensen, Anita Blomfeldt
OBJECTIVES: Staphylococcus aureus colonization leading to skin and soft tissue infections (SSTI) are known challenges in crowded settings such as the military. The aim of the study was to a) establish and compare the prevalence of S. aureus colonization in recruits at enrolment and discharge after the first year of military service and b) investigate the prevalence of S. aureus SSTI. METHODS: All recruits entering first year of military service in January 2013 to be stationed at three garrisons in the northern part of Norway were invited to join this prospective cohort study...
October 23, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29054947/a-case-of-tuberculous-gumma-there-is-more-to-it-than-meets-the-eye
#9
Srikant Mohta, Arvind Kumar, Nayani Singh, Naveet Wig
We present a case of a young girl who presented with multiple cutaneous abscesses over 2 years at different sites. She had no constitutional symptoms or history of tuberculosis. On investigation, she was found to have rifampicin-sensitive tuberculosis presenting as tubercular gumma, a rare form of cutaneous tuberculosis which occurs due to haematogenous spread of the bacilli. She had disseminated disease involving the spinal column with associated psoas abscess. A thorough evaluation was done for immune-deficiency workup but was all negative...
October 19, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29052109/assessments-of-opportunities-to-improve-antibiotic-prescribing-in-an-emergency-department-a-period-prevalence-survey
#10
Tristan T Timbrook, Aisling R Caffrey, Anais Ovalle, Maya Beganovic, William Curioso, Melissa Gaitanis, Kerry L LaPlante
INTRODUCTION: Approximately 30% of all outpatient antimicrobials are inappropriately prescribed. Currently, antimicrobial prescribing patterns in emergency departments (ED) are not well described. Determining inappropriate antimicrobial prescribing patterns and opportunities for interventions by antimicrobial stewardship programs (ASP) are needed. METHODS: A retrospective chart review was performed among a random sample of non-admitted, adult patients who received an antimicrobial prescription in the ED from January 1 to December 31, 2015...
October 19, 2017: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/29026866/a-prospective-observational-study-of-the-epidemiology-management-and-outcomes-of-skin-and-soft-tissue-infections-due-to-carbapenem-resistant-enterobacteriaceae
#11
Oryan Henig, Eric Cober, Sandra S Richter, Federico Perez, Robert A Salata, Robert C Kalayjian, Richard R Watkins, Steve Marshall, Susan D Rudin, T Nicholas Domitrovic, Andrea M Hujer, Kristine M Hujer, Yohei Doi, Scott Evans, Vance G Fowler, Robert A Bonomo, David van Duin, Keith S Kaye
BACKGROUND: This study was performed to characterize the epidemiology, management, and outcomes of skin and soft tissue infection (SSTI) and colonization due to carbapenem-resistant Enterobacteriaceae (CRE). METHODS: Patients from the Consortium on Resistance Against Carbapenem in Klebsiella and Other Enterobacteriaceae (CRACKLE-1) from December 24, 2011 to October 1, 2014 with wound cultures positive for CRE were included in the study. Predictors of surgical intervention were analyzed...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/29021784/synthetic-peptides-to-target-stringent-response-controlled-virulence-in-a-pseudomonas-aeruginosa-murine-cutaneous-infection-model
#12
Daniel Pletzer, Heidi Wolfmeier, Manjeet Bains, Robert E W Hancock
Microorganisms continuously monitor their surroundings and adaptively respond to environmental cues. One way to cope with various stress-related situations is through the activation of the stringent stress response pathway. In Pseudomonas aeruginosa this pathway is controlled and coordinated by the activity of the RelA and SpoT enzymes that metabolize the small nucleotide secondary messenger molecule (p)ppGpp. Intracellular ppGpp concentrations are crucial in mediating adaptive responses and virulence. Targeting this cellular stress response has recently been the focus of an alternative approach to fight antibiotic resistant bacteria...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29020285/impact-of-systemic-antibiotics-on-staphylococcus-aureus-colonization-and-recurrent-skin-infection
#13
Patrick G Hogan, Marcela Rodriguez, Allison M Spenner, Jennifer M Brenneisen, Mary G Boyle, Melanie L Sullivan, Stephanie A Fritz
Background: Staphylococcus aureus colonization poses risk for subsequent skin and soft tissue infection (SSTI). We hypothesized that including systemic antibiotics in the management of S. aureus SSTI, in conjunction with incision and drainage, would reduce S. aureus colonization and incidence of recurrent infection. Methods: We prospectively evaluated 383 children with S. aureus SSTI requiring incision and drainage and S. aureus colonization in the anterior nares, axillae, or inguinal folds at baseline screening...
August 24, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28950196/a-therapeutic-polyelectrolyte-vitamin-c-nanoparticulate-system-in-polyvinyl-alcohol-alginate-hydrogel-an-approach-to-treat-skin-and-soft-tissue-infections-caused-by-staphylococcus-aureus
#14
Liya George, M C Bavya, K Vimal Rohan, R Srivastava
Staphylococcus aureus infections affecting the skin and soft tissues are of significant health concern and an unmet need to be addressed. The lack of drug penetration into the infectious site is the main clinical challenge. Once the pathogen invades the wounded skin, it attenuates biological response pathways, leading to chronic infection. Wound infections are associated with alkaline pH due to the presence of bacteria, whereas creation of an acidic environment around the wound bed promotes faster healing. Herein, we develop injectable drug loaded nanoparticulate system of vancomycin encapsulated polycaprolactone nanoparticles coated with polyelectrolyte-Vitamin C in polyvinyl alcohol-alginate gel (D-PCL-PVc-PVA(Alg)...
September 14, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28919346/clinical-outcomes-in-patients-hospitalized-with-cellulitis-treated-with-oral-clindamycin-and-trimethoprim-sulfamethoxazole-the-role-of-weight-based-dosing
#15
Kristin K Cox, Bruce Alexander, Daniel J Livorsi, Brett H Heintz
OBJECTIVES: Trimethoprim/sulfamethoxazole (TMP/SMX) and clindamycin are frequently prescribed to treat cellulitis. The primary objective was to determine if weight-based dosing of these antibiotics is associated with better outcomes in cellulitis. The secondary objective was to assess variables associated with clinical failure among hospitalized patients with cellulitis with or without cutaneous abscess. METHODS: This multi-center retrospective cohort study was conducted from January 1, 2010 to September 4, 2014...
September 15, 2017: Journal of Infection
https://www.readbyqxmd.com/read/28903801/s-aureus-infections-in-chicago-2006-2014-increase-in-ca-mssa-and-decrease-in-mrsa-incidence
#16
M Ellen Acree, Ethan Morgan, Michael Z David
OBJECTIVE To examine trends in Staphylococcus aureus infections in adults and children at a single academic center in 2006-2014. DESIGN Retrospective cohort study. SETTING Inpatient, outpatient, and emergency department settings in a private, tertiary referral center. PATIENTS Patients with an infection culture that grew S. aureus in January 1, 2006, through March 31, 2014. METHODS The first isolate per year for each patient was classified as community-associated (CA-), healthcare-associated (HA-), or HA-community-onset S...
October 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28900424/the-impact-of-the-staphylococcus-aureus-virulome-on-infection-in-a-developing-country-a-cohort-study
#17
Marthe Lebughe, Patrick Phaku, Silke Niemann, Dieudonné Mumba, Georg Peters, Jean-Jacques Muyembe-Tamfum, Alexander Mellmann, Lena Strauß, Frieder Schaumburg
We performed a cohort study to analyze the virulome of Staphylococcus aureus from the Democratic Republic of the Congo using whole genome sequencing and to assess its impact on the course of S. aureus infections. Community-associated S. aureus from nasal colonization (n = 100) and infection (n = 86) were prospectively collected. Phenotypic susceptibility testing and WGS was done for each isolate. WGS data were used to screen for 79 different virulence factors and for genotyping purposes (spa typing, multilocus sequence typing)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28859442/emerging-multidrug-resistance-in-community-associated-staphylococcus-aureus-involved-in-skin-and-soft-tissue-infections-and-nasal-colonization
#18
Grace C Lee, Steven D Dallas, Yufeng Wang, Randall J Olsen, Kenneth A Lawson, James Wilson, Christopher R Frei
Background: Staphylococcus aureus is a major pathogen causing significant morbidity and mortality worldwide. The emergence of MDR S. aureus strains in the community setting has major implications in disease management. However, data regarding the occurrence and patterns of MDR community-associated S. aureus sub-clones is limited. Objectives: To use whole-genome sequences to describe the diversity and distribution of resistance mechanisms among community-associated S...
September 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28859018/analysis-of-invasive-community-acquired-methicillin-susceptible-staphylococcus-aureus-infections-during-a-period-of-declining-ca-mrsa-infections-at-a-large-children-s-hospital
#19
Kristina G Hultén, Edward O Mason, Linda B Lamberth, Andrea R Forbes, Paula A Revell, Sheldon L Kaplan
BACKGROUND: The epidemiology of community acquired (CA) Staphylococcus aureus infections is changing in the United States. We investigated the current epidemiology of S. aureus infections at Texas Children's Hospital (TCH). METHODS: Patients with CA-S. aureus skin and soft tissue (SSTI) and invasive infections were retrospectively identified from 1/1/2007-12/31/2014. Invasive CA-MSSA isolates were characterized by PFGE, Spa typing, agr type and presence of lukSF-PV (pvl) genes...
August 28, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28852669/decreasing-incidence-of-skin-and-soft-tissue-infections-with-a-seasonal-pattern-at-an-academic-medical-center-2006-2014
#20
Ethan Morgan, Robert S Daum, Michael Z David
Background.  The incidence of skin and soft tissue infections (SSTIs) in the United States increased sharply after 2000 with the emergence of USA300 methicillin-resistant Staphylococcus aureus. We examined trends in SSTI incidence in 2006-2014 at the University of Chicago Medicine (UCM). Methods.  Data were obtained for patient encounters at UCM with an International Classification of Diseases, Ninth Revision-coded SSTI diagnosis between January 1, 2006 and March 31, 2014. Incidence density was calculated per 1000 encounters by quarter and year...
October 2016: Open Forum Infectious Diseases
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