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Streptococcus group a bacteremia

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https://www.readbyqxmd.com/read/29753321/influence-of-pathogen-and-focus-of-infection-on-procalcitonin-values-in-sepsis-patients-with-bacteremia-or-candidemia
#1
Daniel O Thomas-Rüddel, Bernhard Poidinger, Matthias Kott, Manfred Weiss, Konrad Reinhart, Frank Bloos
BACKGROUND: This study aimed to evaluate the accuracy of procalcitonin (PCT) serum concentrations to diagnose Gram-negative bacteremia and the association of PCT serum concentrations with more specific pathogens and the focus of infection. METHODS: Secondary analysis of the prospectively collected patient-level dataset from a cluster randomized quality improvement trial was performed. The trial included sepsis patients with organ dysfunction treated in the participating intensive care units from 2011 to 2015...
May 13, 2018: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29736610/occult-bacteremia-etiology-following-the-introduction-of-13-valent-pneumococcal-conjugate-vaccine-a-multicenter-study-in-spain
#2
Susanna Hernández-Bou
Little is known about occult bacteremia (OB) in Spain following the introduction of the 13-valent pneumococcal conjugated vaccine (PCV13). Our aim was to describe the microbiologic characteristics and management of OB among children aged 3-36 months in Spain in the era of PCV13. Data were obtained from a multicenter registry of positive blood cultures collected at 22 Spanish emergency departments (ED). Positive blood cultures performed on patients aged 3-36 months from 2011 to 2015 were retrospectively identified...
May 7, 2018: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29729257/association-between-bacteremia-from-specific-microbes-and-subsequent-diagnosis-of-colorectal-cancer
#3
Thomas N Y Kwong, Xiansong Wang, Geicho Nakatsu, Tai Cheong Chow, Timothy Tipoe, Rudin Z W Dai, Kelvin K K Tsoi, Martin C S Wong, Gary Tse, Matthew T V Chan, Francis K L Chan, Siew C Ng, Justin C Y Wu, William K K Wu, Jun Yu, Joseph J Y Sung, Sunny H Wong
BACKGROUND & AIMS: Colorectal cancer (CRC) development has been associated with increased proportions of Bacteroides fragilis and certain Streptococcus, Fusobacterium, and Peptostreptococcus species in the intestinal microbiota. We investigated associations between bacteremia from specific intestinal microbes and occurrence of CRC. METHODS: We performed a retrospective study, collecting data from13,096 adult patients (exposed group) in Hong Kong hospitalized with bacteremia (identified by blood culture test), without a previous diagnosis of cancer, from January 1, 2006 through December 31, 2015...
May 2, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29479389/group-g-streptococcus-infective-endocarditis-in-association-with-colon-cancer
#4
Ashraf Abugroun, Ramy Zughul, Mina Tawadrous, Margiori Rodriguez
Group G streptococcus has been increasingly reported as a cause of bacteremia and infective endocarditis. The association between various groups of streptococcus with malignancy has been well established. Such association is particularly observed in group D Streptococcus bovis which is commonly reported in association with carcinoma of the colon. We herein report a case of a 72-year-old male who presented with severe sepsis, iron deficiency anemia and newly diagnosed cardiac murmur. Further workup confirmed group G streptococcus bacteremia, infective endocarditis and newly diagnosed carcinoma of the colon...
February 2018: Cardiology Research
https://www.readbyqxmd.com/read/29466395/dynamics-of-monocytic-hla-dr-expression-differs-between-bacterial-etiologies-during-the-course-of-bloodstream-infection
#5
Sara Cajander, Gunlög Rasmussen, Elisabet Tina, Anders Magnuson, Bo Söderquist, Jan Källman, Kristoffer Strålin
OBJECTIVE: In the pathogenesis of sepsis, activation of both pro- and anti-inflammatory responses are key components, but knowledge is lacking on the association between bacterial etiology and development of dysregulated responses with sustained immunosuppression. The aim of this study was to evaluate how the immunosupression marker HLA-DR on monocytes (mHLA-DR) is associated with bacterial etiology and markers of inflammation during the clinical trajectory of bloodstream infection (BSI)...
2018: PloS One
https://www.readbyqxmd.com/read/29349940/etiology-of-invasive-bacterial-infections-in-immunocompetent-children-in-korea-2006-2010-a-retrospective-multicenter-study
#6
Kyuyol Rhie, Eun Hwa Choi, Eun Young Cho, Jina Lee, Jin Han Kang, Dong Soo Kim, Yae Jean Kim, Youngmin Ahn, Byung Wook Eun, Sung Hee Oh, Sung Ho Cha, Young Jin Hong, Kwang Nam Kim, Nam Hee Kim, Yun Kyung Kim, Jong Hyun Kim, Taekjin Lee, Hwang Min Kim, Kun Song Lee, Chun Soo Kim, Su Eun Park, Young Mi Kim, Chi Eun Oh, Sang Hyuk Ma, Dae Sun Jo, Young Youn Choi, Hoan Jong Lee
BACKGROUND: Invasive bacterial infections in apparently immunocompetent children were retrospectively analyzed to figure causative bacterial organisms in Korea. METHODS: A total of 947 cases from 25 university hospitals were identified from 2006 to 2010 as a continuance of a previous 10-year period study from 1996 to 2005. RESULTS: Escherichia coli (41.3%), Streptococcus agalactiae (27.7%), and Staphylococcus aureus (27.1%) were the most common pathogens in infants < 3 months of age...
February 5, 2018: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29349041/unusual-cause-of-severe-diabetic-ketoacidosis-precipitated-by-streptococcus-bovis-equinus-sbsec-bacteremia-case-report-and-review-of-literature
#7
Sana Idrees, Sonali Gupta, Miguel Mantilla, Pradeep Goyal, Ilja Hulinsky
Diabetic ketoacidosis is a feared complication in patients with diabetes mellitus and poses high risk of mortality and morbidity unless treated in timely manner. Infection is one of the most common precipitating factors for the development of diabetic ketoacidosis. Bacteremia with Group A and Group B beta hemolytic streptococcal strains are well known, however nonenterococcal Group D strains such as the Streptococcus bovis / Streptococcus equinus complex (SBSEC) still remains an understudied entity. Here we present a case of a 35-year-old Type I diabetic female presenting with severe diabetic ketoacidosis with overlapping features of hyperosmolar hyperglycemia, precipitated by Streptococcus alactolyticus bacteremia, successfully treated with four-week course of parenteral ceftriaxone...
2018: IDCases
https://www.readbyqxmd.com/read/29324374/ileal-gist-presenting-with-bacteremia-and-liver-abscess-a-case-report-and-review-of-literature
#8
Marina Gorelik, Braulio Sabates, Adel Elkbuli, Tony Dunne
INTRODUCTION: Small intestine gastrointestinal stromal tumors can infrequently present with intra-abdominal abscess, perforation, obstruction or fistula. Tumor-small intestine fistula is a rare phenomenon and occurs as a result of GISTs' propensity to cause mucosal ulceration. This allows bacteria from the gut to gain access to the systemic circulation and predisposes the patient to bacteremia and pyogenic liver abscess. PRESENTATION OF CASE: We present a case of a 63-year-old female whose initial symptoms included fever, nausea, vomiting and right upper quadrant pain...
2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29317948/colon-carcinoma-presenting-as-streptococcus-anginosus-bacteremia-and-liver-abscess
#9
Prashanth Rawla, Anantha R Vellipuram, Sathyajit S Bandaru, Jeffrey Pradeep Raj
A collection of dead white blood cells within the liver is called a liver abscess, and pyogenic liver abscess (PLA) is the most common type. PLA is commonly associated with biliary tract infections. However, in this case report, we present a rare cause of Streptococcus anginosus bacteremia and PLA which is associated with a carcinoma of the colon at the splenic flexure. The presentation mimicked a cholecystitis clinically, but the radio-imaging revealed a liver abscess. Blood cultures revealed an uncommon etiological agent, S...
December 2017: Gastroenterology Research
https://www.readbyqxmd.com/read/29223920/streptococcus-agalactiae-bacteremia-in-non-pregnant-adult-patients-at-two-teaching-hospitals
#10
Emanuel J Saad, Diego F Baenas, Cecilia S Boisseau, Mercedes J García, Silvana A Núñez, Pablo E Sanchez, Domingo C Balderramo, Daniela Hernández, Juan P Caeiro
Streptococcus agalactiae or group B streptococcus (GBS) is a frequent pathogen in immunocompromised adults. The aim of this study was to determine the relative frequency, clinical presentation, antimicrobial susceptibility profile, and risk factors associated with GBS bacteremia in non-pregnant adult patients. We conducted a retrospective analysis of blood cultures performed in two hospitals between the years 2009-2013. From 1110 bacteremia episodes, 13 were caused by GBS, all of which were susceptible to ampicillin...
December 6, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/29172254/the-role-of-nonsteroidal-anti-inflammatory-drugs-intramuscular-injection-in-the-development-and-severity-of-deep-soft-tissue-infection-in-mice
#11
Zeynep Ture, Hayati Demiraslan, Olgun Kontas, Emine Alp, Mehmet Doganay
The aim of this study was to determine the role of nonsteroidal anti-inflammatory drugs (NSAID) injection on the severity of local infection and the effect on the progression of soft tissue infection (STI).The mouse model of STI with Group A streptococcus (GAS) was developed and treated with diclofenac sodium (DS) intramuscularly. Mice were divided into five groups: administered DS for 48 h before GAS (Group 1), GAS-DS and maintained DS for 48 h (Group 2), DS for 48 h (Group 3), GAS on zero time (Group 4), and control (Group 5)...
November 24, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/29147774/assessment-of-mediastinal-lymph-node-size-in-pneumococcal-pneumonia-with-bacteremia
#12
Amit Chopra, Aakash Modi, Haroon Chaudhry, Recai Yucel, Neha Rane, John Fantauzzi, Frederic J Hellwitz, Marc A Judson
INTRODUCTION: The significance of mediastinal lymphadenopathy in bacterial pneumonia is unclear. METHODS: We performed a retrospective analysis of mediastinal lymph node size determined by chest CT in patients with bacteremic pneumococcal pneumonia. All patients who had positive blood cultures for streptococcus pneumonia over an 11-year period and had a chest CT scan (index CT) within 2 weeks of the positive blood culture were included in the study. Two thoracic radiologists and one pulmonologist independently examined the index CT plus any chest CT scans performed prior (pre-CT) or after (post-CT) the bacteremic episode...
February 2018: Lung
https://www.readbyqxmd.com/read/29107417/osteoarticular-and-skin-and-soft-tissue-infections-caused-by-streptococcus-agalactiae-in-elderly-patients-are-frequently-associated-with-bacteremia
#13
Corinne Ruppen, Julia Notter, Carol Strahm, Beat Sonderegger, Parham Sendi
Older persons (≥65 years) are at risk for invasive group B streptococcal (GBS) infections. The most frequent clinical syndromes in 174 infection episodes were osteoarticular (40%) and skin and soft-tissue infections (30%). In 36% of episodes, a companion microorganism was isolated, and in 45%, blood culture results were positive. Antibiotics were streamlined after species identification in 29% of monomicrobial infections. These findings have clinical and therapeutic implications for GBS infections in the elderly...
January 2018: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29016319/clinical-epidemiology-of-septic-arthritis-caused-by-burkholderia-pseudomallei-and-other-bacterial-pathogens-in-northeast-thailand
#14
Prapit Teparrukkul, Jiraphorn Nilsakul, Susanna Dunachie, Direk Limmathurotsakul
Septic arthritis is a medical emergency, and if not treated appropriately, it can be associated with high morbidity and mortality. Melioidosis, a serious infectious disease caused by the Gram-negative bacillus Burkholderia pseudomallei , is highly endemic in South and Southeast Asia and northern Australia. We reviewed the medical charts of adult patients admitted with bacterial septic arthritis at Sunpasitthiprasong Hospital, Ubon Ratchathani, northeast Thailand from January 2012 to December 2014. Bacterial septic arthritis was defined as one or more hot swollen joints with isolation of a pathogenic organism from an affected joint or from blood...
December 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28988964/epidemiology-of-bacteremia-in-febrile-infants-aged-60-days-and-younger
#15
Elizabeth C Powell, Prashant V Mahajan, Genie Roosevelt, John D Hoyle, Rajender Gattu, Andrea T Cruz, Alexander J Rogers, Shireen M Atabaki, David M Jaffe, T Charles Casper, Octavio Ramilo, Nathan Kuppermann
STUDY OBJECTIVE: To describe the current epidemiology of bacteremia in febrile infants 60 days of age and younger in the Pediatric Emergency Care Applied Research Network (PECARN). METHODS: We conducted a planned secondary analysis of a prospective observational study of febrile infants 60 days of age and younger presenting to any of 26 PECARN emergency departments (2008 to 2013) who had blood cultures obtained. We excluded infants with significant comorbidities or critically ill appearance...
February 2018: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28941358/rates-of-vaccination-against-streptococcus-pneumoniae-in-cochlear-implant-patients
#16
Anna Piotrowska, Iwona Paradowska-Stankiewicz, Henryk Skarżyński
BACKGROUND Streptococcus pneumoniae can cause life-threatening illness, with invasive pneumococcal diseases (IPD) like meningitis, sepsis, bacteremic pneumonia, and bacteremia being major causes of morbidity and mortality. Studies have shown that patients who have had a cochlear implant, particularly children, have an increased risk of bacterial (pneumococcal) meningitis. Vaccination in patients with cochlear implants is important and recommended universally. The World Health Organization recommends the use of pneumococcal conjugate vaccines in all countries and considers their use to be a priority in all national immunization programs...
September 23, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28925912/epidemiologic-features-of-invasive-group-a-streptococcus-infection-in-a-rural-hospital-6-year-retrospective-report-and-literature-review
#17
Kassandra Loewen, Natalie Bocking, Cai-Lei Matsumoto, Mike Kirlew, Len Kelly
INTRODUCTION: High rates of invasive group A Streptococcus disease were suspected by clinicians in northwestern Ontario. Patients with sepsis were being encountered with bacteremia positive for group A Streptococcus. This study was designed to assess the incidence of invasive group A Streptococcus infection in the region and provide best-practice treatment information. METHODS: We performed a retrospective chart review at the Sioux Lookout Meno Ya Win Health Centre (SLMHC) from 2009 to 2014 to examine rates of infection due to invasive group A Streptococcus and outcomes...
2017: Canadian Journal of Rural Medicine
https://www.readbyqxmd.com/read/28917068/group-a-streptococcal-bacteraemia-experience-at-king-fahad-medical-city-in-riyadh-saudi-arabia
#18
Fawzyh J Al-Khadidi, Mohammed A AlSheheri, Tariq S AlFawaz, Mushira A Enani, Abdulaziz A AlAqeel, Dayel A AlShahrani
To identify clinical presentation, predisposing factors, and the outcome in patients with Group A Streptococcal bacteremia. Methods: This is a retrospective study of 33 pediatric and adult patients with Streptococcus pyogenes bacteremia, admitted at King Fahad Medical City, Riyadh, Kingdom of Saudi Arabia from 2007 to 2015. Results: Thirty-three patient records, documenting bacteremia with group A beta-hemolytic streptococcus, were reviewed. Approximately 51.5% were pediatric and 48.5% were adult patients, with a male to female ratio of 2:1...
October 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28882472/overwhelming-streptococcus-pyogenes-sepsis-in-an-elderly-patient-with-septic-arthritis
#19
Aarti Chadha, Wafaa Jamal, Abdul Raouf Abdul Aziz, Vincent O Rotimi
INTRODUCTION: The signs of Streptococcus pyogenes, group A streptococci (GAS) bacteremia are non-specific and patients can have wide presentations ranging from flu-like symptoms to life-threatening toxic-shock syndrome in just a few hours. CASE PRESENTATION: We report a case of fulminant S. pyogenes sepsis in an elderly woman with septic arthritis and remarkable past medical history/risk factors. She was febrile, hypotensive and had a swollen and tender right knee...
September 4, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28808157/cytosolic-phospholipase-a-2-%C3%AE-promotes-pulmonary-inflammation-and-systemic-disease-during-streptococcus-pneumoniae-infection
#20
Rudra Bhowmick, Stacie Clark, Joseph V Bonventre, John M Leong, Beth A McCormick
Pulmonary infection by Streptococcus pneumoniae is characterized by a robust alveolar infiltration of neutrophils (polymorphonuclear cells [PMNs]) that can promote systemic spread of the infection if not resolved. We previously showed that 12-lipoxygenase (12-LOX), which is required to generate the PMN chemoattractant hepoxilin A3 (HXA3 ) from arachidonic acid (AA), promotes acute pulmonary inflammation and systemic infection after lung challenge with S. pneumoniae As phospholipase A2 (PLA2 ) promotes the release of AA, we investigated the role of PLA2 in local and systemic disease during S...
November 2017: Infection and Immunity
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