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Bacteremia

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https://www.readbyqxmd.com/read/28821378/pathogens-and-outcomes-in-pediatric-septic-shock-patients-supported-by-extracorporeal-membrane-oxygenation
#1
Tu-Hsuan Chang, En-Ting Wu, Chun-Yi Lu, Shu-Chien Huang, Tzu-I Yang, Ching-Chia Wang, Jong-Min Chen, Ping-Ing Lee, Li-Min Huang, Luan-Yin Chang
BACKGROUND: Refractory septic shock is the leading cause of mortality in children. There is limited evidence to support extracorporeal membrane oxygenation (ECMO) use in pediatric septic shock. We described the etiology and outcomes of septic patients in our institution and attempted to find predictive factors. METHODS: We retrospectively reviewed 55 pediatric patients with septic shock who required ECMO support in a tertiary medical center from 2008 to 2015. Septic shock was defined as culture proved or clinical suspected sepsis with hypotension or end-organ hypoperfusion...
August 4, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28820698/case-report-scalp-eschar-and-neck-lymphadenopathy-associated-with-bacteremia-due-to-coxiella-like-bacteria
#2
Thomas Guimard, Sophie Amrane, Elsa Prudent, Khalid El Karkouri, Didier Raoult, Emmanouil Angelakis
Coxiella-like bacteria have been recently proposed as human pathogens. Using molecular techniques, we detected Coxiella-like bacteria in the blood and serum samples of a patient with a scalp eschar, neck lymphadenopathy, severe urticaria, edema, fever, and arthralgia indicating that this organism can provide systemic complications.
August 14, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28820039/sepsis-at-a-safety-net-hospital-risk-factors-associated-with-30-day-readmission
#3
Mark A Weinreich, Kim Styrvoky, Shelley Chang, Carlos E Girod, Rosechelle Ruggiero
BACKGROUND: Sepsis is a leading cause of hospitalization, and subsequent readmissions are frequent and costly. There is an expanding body of literature describing risk factors for readmissions in patients with sepsis. However, there are little data studying medically underserved patients who typically receive their care at a safety net hospital. METHODS: In a retrospective cohort study, we evaluated 1355 sepsis survivors at risk of hospital readmission in fiscal year 2013 at a safety net hospital...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28818892/draft-genome-sequences-of-two-enterobacter-cloacae-subsp-cloacae-strains-isolated-from-australian-hematology-patients-with-bacteremia
#4
Lex E X Leong, David Shaw, Lito Papanicolas, Diana Lagana, Ivan Bastian, Geraint B Rogers
Enterobacter cloacae is a common member of the gut microbiota in healthy individuals. However, it is also an opportunistic pathogen, capable of causing bacteremia. We report the draft genomes of two Enterobacter cloacae subspecies cloacae strains isolated from hematology patients with bacteremia. Both isolates carry genes encoding extended-spectrum β-lactamases.
August 17, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28818549/integration-of-dpc-and-clinical-microbiological-data-in-japan-reveals-importance-of-confirming-a-negative-follow-up-blood-culture-in-patients-with-mrsa-bacteremia
#5
Naoki Miyamoto, Koji Yahara, Rie Horita, Tomomi Yano, Naotaka Tashiro, Daiichi Morii, Atsuko Tsutsui, Kenichiro Yaita, Keigo Shibayama, Hiroshi Watanabe
Methicillin-resistant Staphylococcus aureus (MRSA) bacteremia is one of the commonest and most life-threatening of all infectious diseases. The morbidity and mortality rates associated with MRSA bacteremia are higher than those associated with bacteremia caused by other pathogens. A common guideline in MRSA bacteremia treatment is to confirm bacteremia clearance through additional blood cultures 2-4 days after initial positive cultures and as needed thereafter. However, no study has presented statistical evidence of how and to what extent confirming a negative follow-up blood culture impacts clinical outcome...
August 14, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28818213/the-natural-history-and-outcomes-of-line-associated-upper-extremity-deep-venous-thromboses-in-critically-ill-patients
#6
Joshua Underhill, Matthew A Sherman, Ryan Howard, Anthony Hage, Andrea Obi, Lena Napolitano, Dawn M Coleman
OBJECTIVE: Anticoagulation remains the standard of care for line-associated upper extremity deep venous thrombosis (UEDVT). This treatment carries the risk of hemorrhagic complications, possibly more so in surgical patients. Considering the low-risk profile of UEDVT-which is associated with fewer, less severe pulmonary emboli than lower extremity deep venous thrombosis-current UEDVT treatment guidelines may be overly aggressive. The goal of this study was to review outcomes of line-associated UEDVT in critically ill patients and to define the efficacy of current treatment protocols in pulmonary embolism (PE) prevention while avoiding hemorrhagic complications...
September 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28818188/healthcare-outcomes-in-undocumented-immigrants-undergoing-two-emergency-dialysis-approaches%C3%A2
#7
S Jawad Sher, Ranjani N Moorthi, Waqas Aftab, Sharon M Moe, Christopher S Weaver, Frank C Messina, Nancy M Martinez-Hoover, Melissa D Anderson, Michael T Eadon
BACKGROUND: Current estimates suggest 6,500 undocumented end-stage renal disease (ESRD) patients in the United States are ineligible for scheduled hemodialysis and require emergent dialysis. In order to remain in compliance with Emergency Medicaid, an academic health center altered its emergency dialysis criteria from those emphasizing interdialytic interval to a set emphasizing numerical thresholds. We report the impact of this administrative change on the biochemical parameters, utilization, and adverse outcomes in an undocumented patient cohort...
August 17, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28817943/-maldi-tof-ms-comparison-of-blood-culture-positive-bottle-pretreatment-kit
#8
Takenori Yamashita
Identification of bacteria of sepsis or bacteremia is a useful result for treatment policy. In recent years, bacterial identification has become possible from blood culture bottles by MALDI‒TOF, but it is not as accurate as bacterial identification from agar colonies. Blood culture pretreatment kit (MALDI Sepcityper Kit) is currently on sale from Bruker. However, the current situation has not reached good accuracy. This time, a new blood culture pretreatment kit appeared, so I studied. Up to now, the blood culture pretreatment kit was only MALDI Sepcityper Kit using enzyme digestion method...
August 15, 2017: JARMAM: Journal of the Association for Rapid Method and Automation in Microbiology
https://www.readbyqxmd.com/read/28815897/multidrug-resistant-enterobacteriaceae-pseudomonas-aeruginosa-and-vancomycin-resistant-enterococci-three-major-threats-to-hematopoietic-stem-cell-transplant-recipients
#9
REVIEW
Michael J Satlin, Thomas J Walsh
Hematopoietic stem cell transplant (HSCT) recipients are uniquely threatened by the emergence of multidrug-resistant (MDR) bacteria because these patients rely on immediate active antimicrobial therapy to combat bacterial infections. This review describes the epidemiology and treatment considerations for three challenging MDR bacterial pathogens in HSCT recipients: MDR Enterobacteriaceae, including extended-spectrum β-lactamase (ESBL)-producing and carbapenem-resistant Enterobacteriaceae (CRE), Pseudomonas aeruginosa, and vancomycin-resistant Enterococcus (VRE)...
August 16, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28815094/add-on-therapy-with-ertapenem-in-infections-with-multidrug-resistant-gram-negative-bacteria-pediatric-experience
#10
Sevgen Tanır Basaranoglu, Yasemin Ozsurekci, Kubra Aykac, Kamile Oktay Arıkan, Ayse Buyukcam, Ali Bulent Cengiz, Mehmet Ceyhan, Ates Kara
Optimal therapy for infections with carbapenem resistant GNB is not well established due to the weakness of data. Patients presenting with bloodstream infections caused by multidrug resistant Klebsiella pneumoniae were treated with a combination treatment. Optimal therapy for infections with carbapenem resistant Gram-negative bacteria is a serious problem in pediatric patients. We presented three cases who were successfully treated with addition of ertapenem to the combination treatment for bacteremia with multidrug resistant Klebsiella pneumoniae...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/28814616/the-yale-observation-scale-score-and-the-risk-of-serious-bacterial-infections-in-febrile-infants
#11
Lise E Nigrovic, Prashant V Mahajan, Stephen M Blumberg, Lorin R Browne, James G Linakis, Richard M Ruddy, Jonathan E Bennett, Alexander J Rogers, Leah Tzimenatos, Elizabeth C Powell, Elizabeth R Alpern, T Charles Casper, Octavio Ramilo, Nathan Kuppermann
OBJECTIVES: To assess the performance of the Yale Observation Scale (YOS) score and unstructured clinician suspicion to identify febrile infants ≤60 days of age with and without serious bacterial infections (SBIs). METHODS: We performed a planned secondary analysis of a prospective cohort of non-critically ill, febrile, full-term infants ≤60 days of age presenting to 1 of 26 participating emergency departments in the Pediatric Emergency Care Applied Research Network...
June 6, 2017: Pediatrics
https://www.readbyqxmd.com/read/28814278/epidemiology-and-outcomes-of-endophthalmitis-in-chronic-dialysis-patients-a-13-year-experience-in-a-tertiary-referral-center-in-taiwan
#12
George Kuo, Yueh-An Lu, Wei-Chiao Sun, Chao-Yu Chen, Huang-Kai Kao, YuJr Lin, Chia-Hui Lee, Cheng-Chieh Hung, Ya-Chung Tian, Hsiang-Hao Hsu
BACKGROUND: Endophthalmitis is a severe eye infection leading to disabling outcome. Because there were only a few case report illustrating endophthalmitis in chronic dialysis patient, we would like to investigate the epidemiology and clinical features of endophthalmitis in chronic dialysis patient in a tertiary referral center. METHODS: We searched the health information system in the study hospital with ICD9 encoding endophthalmitis during Jan. 2002 to Dec. 2015...
August 16, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28814255/current-evidence-on-the-evaluation-and-management-of-fever-without-a-source-in-infants-aged-0-90-days-a-review
#13
Joyee G Vachani, Kenya McNeal-Trice, Sowdhamini S Wallace
BACKGROUND: Despite development of risk stratification tools decades ago, the best strategy for evaluation and management of young infants with fever without a clear source remains uncertain. OBJECTIVE: To describe the variability in current practice and review recently published evidence in three key areas: inflammatory markers as a tool for risk stratification, impact of viral testing, and optimal observation time on antibiotics. METHODS: Articles were identified using PubMed, Scopus, and Cochrane databases and via experts...
August 16, 2017: Reviews on Recent Clinical Trials
https://www.readbyqxmd.com/read/28811943/reviewing-the-emergence-of-lactococcus-garvieae-a-case-of-catheter-associated-urinary-tract-infection-caused-by-lactococcus-garvieae-and-escherichia-coli-coinfection
#14
Tatvam T Choksi, Farhan Dadani
Lactococcus garvieae is considered a low virulence organism which is rarely associated with human infections. Most of the reported cases have been associated with bacteremia with or without endocarditis. We report a rare case of catheter associated urinary tract infection (CAUTI) caused by Lactococcus garvieae and Escherichia coli coinfection without any bacteremia in a patient with indwelling urinary catheter placed for benign prostatic hyperplasia (BPH). The patient also had a history of gastroesophageal reflux disease (GERD) with long standing famotidine treatment...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/28810536/drug-resistant-gram-negative-uropathogens-a-review
#15
REVIEW
Saeed Khoshnood, Mohsen Heidary, Reza Mirnejad, Aghil Bahramian, Mansour Sedighi, Habibollah Mirzaei
Urinary tract infection(UTI) caused by Gram-negative bacteria is the second most common infectious presentation in community medical practice. Approximately 150 million people are diagnosed with UTI each year worldwide. Drug resistance in Gram-negative uropathogens is a major global concern which can lead to poor clinical outcomes including treatment failure, development of bacteremia, requirement for intravenous therapy, hospitalization, and extended length of hospital stay. The mechanisms of drug resistance in these bacteria are important due to they are often not identified by routine susceptibility tests and have an exceptional potential for outbreaks...
August 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28808348/rapid-phenotypic-stress-based-microfluidic-antibiotic-susceptibility-testing-of-gram-negative-clinical-isolates
#16
Maxim Kalashnikov, Marc Mueller, Christine McBeth, Jean C Lee, Jennifer Campbell, Andre Sharon, Alexis F Sauer-Budge
Bacteremia is a life-threatening condition for which antibiotics must be prescribed within hours of clinical diagnosis. Since the current gold standard for bacteremia diagnosis is based on conventional methods developed in the mid-1800s-growth on agar or in broth-identification and susceptibility profiling for both Gram-positive and Gram-negative bacterial species requires at least 48-72 h. Recent advancements in accelerated phenotypic antibiotic susceptibility testing have centered on the microscopic growth analysis of small bacterial populations...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28808163/a-role-for-fimh-in-extraintestinal-pathogenic-escherichia-coli-invasion-and-translocation-through-the-intestinal-epithelium
#17
Nina M Poole, Sabrina I Green, Anubama Rajan, Luz E Vela, Xi-Lei Zeng, Mary K Estes, Anthony W Maresso
The translocation of bacteria across the intestinal epithelium of immunocompromised patients can lead to bacteremia and life-threatening sepsis. Extraintestinal Pathogenic Escherichia coli (ExPEC), so named because this pathotype infects tissues distal to the intestinal tract, is a frequent cause of such infections, is often multidrug resistant, and chronically colonizes a sizable portion of the healthy population. Although several virulence factors and their roles in pathogenesis are well described for ExPEC that cause urinary tract infections and meningitis, they have not been linked to translocation through intestinal barriers, a fundamentally distant yet important clinical phenomenon...
August 14, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28808157/cytosolic-phospholipase-a2%C3%AE-promotes-pulmonary-inflammation-and-systemic-disease-during-streptococcus-pneumoniae-infection
#18
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 or 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...
August 14, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28807100/two-cases-of-multi-antibiotic-resistant-cronobacter-spp-infections-of-infants-in-china
#19
Jing Hua Cui, Bo Yu, Yun Xiang, Zhen Zhang, Ting Zhang, Ying Chun Zeng, Zhi Gang Cui, Xi Xiang Huo
Infections by Cronobacter spp. are hazardous to infants since they can lead to neonatal meningitis, bacteremia, and necrotizing enterocolitis. Cronobacter spp. are frequently resistant to β-lactam derivatives, macrolides, and aminoglycosides. In addition, multi-resistant strains have also been detected. In China, the isolation rate of Cronobacter spp. from commercial powdered infant formula (PIF) or follow-up formula (FUF) is relatively high. Nevertheless, clinical cases of Cronobacter infection have been ignored to date...
August 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/28807042/incidence-prevalence-and-management-of-mrsa-bacteremia-across-patient-populations-a-review-of-recent-developments-in-mrsa-management-and-treatment
#20
REVIEW
Ali Hassoun, Peter K Linden, Bruce Friedman
Methicillin-resistant Staphylococcus aureus (MRSA) infection is still a major global healthcare problem. Of concern is S. aureus bacteremia, which exhibits high rates of morbidity and mortality and can cause metastatic or complicated infections such as infective endocarditis or sepsis. MRSA is responsible for most global S. aureus bacteremia cases, and compared with methicillin-sensitive S. aureus, MRSA infection is associated with poorer clinical outcomes. S. aureus virulence is affected by the unique combination of toxin and immune-modulatory gene products, which may differ by geographic location and healthcare- or community-associated acquisition...
August 14, 2017: Critical Care: the Official Journal of the Critical Care Forum
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