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Time to antibiotic in sepsis

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https://www.readbyqxmd.com/read/29782199/bacteriolysis-a-mere-laboratory-curiosity
#1
Isaac Ginsburg, Erez Koren
The role of bacteriolysis in the pathophysiology of microbial infections dates back to 1893 when Buchner and Pfeiffer reported for the first time the lysis of bacteria by immune serum and related this phenomenon to the immune response. Later on, basic anti-microbial peptides and certain beta-lactam antibiotics have been shown not only to kill microorganisms but also to induce bacteriolysis and the release of cell-wall components. In 2009, a novel paradigm was offered suggesting that the main cause of death in sepsis is due to the exclusive release from activated human phagocytic neutrophils (PMNs) traps adhering upon endothelial cells of highly toxic nuclear histone...
May 21, 2018: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/29763753/a-prospective-study-of-cancer-survivors-and-risk-of-sepsis-within-the-regards-cohort
#2
Justin Xavier Moore, Tomi Akinyemiju, Alfred Bartolucci, Henry E Wang, John Waterbor, Russell Griffin
BACKGROUND: Hospitalized cancer patients are nearly 10 times more likely to develop sepsis when compared to patients with no cancer history. We compared the risk of sepsis between cancer survivors and no cancer history participants, and examined whether race was an effect modifier. METHODS: We performed a prospective analysis of data from the REasons for Geographic and Racial Differences in Stroke (REGARDS) cohort. We categorized participants as "cancer survivors" or "no cancer history" derived from self-reported responses of being diagnosed with any cancer, excluding non-melanoma skin cancer...
May 11, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29763469/rapid-diagnosis-of-bloodstream-infections-in-the-critically-ill-evaluation-of-the-broad-range-pcr-esi-ms-technology
#3
Martina Tassinari, Silvia Zannoli, Patrizia Farabegoli, Maria Federica Pedna, Anna Pierro, Antonio Mastroianni, Riccardo Fontan, Luciano Luongo, Giuseppe Sarnataro, Elisa Menegatti, Assunta Caruso, Vittorio Sambri
Bloodstream infection (BSI) and associated sepsis represent a major source of mortality in industrialized countries. Prompt treatment with targeted antibiotics affects both the financial impact and the clinical outcome of BSI: every hour gained in initiating the correct antimicrobial therapy significantly increases the probability of patient survival. However, the current standard-of-care, which depends on blood culture-based diagnosis, are often unable to provide such a fast response. Fast and sensitive molecular techniques for the detection of sepsis-related pathogens from primary blood samples are strongly needed...
2018: PloS One
https://www.readbyqxmd.com/read/29750801/streptococcus-agalactiae-carriage-among-pregnant-women-living-in-rio-de-janeiro-brazil-over-a-period-of-eight-years
#4
Ana Caroline N Botelho, Juliana G Oliveira, Andreia P Damasco, Késia T B Santos, Ana Flávia M Ferreira, Gabriel T Rocha, Penélope S Marinho, Rita B G Bornia, Tatiana C A Pinto, Marco A Américo, Sergio E L Fracalanzza, Lúcia M Teixeira
Group B Streptococcus (GBS) carriage by pregnant women is the primary risk factor for early-onset GBS neonatal sepsis. Intrapartum antibiotic prophylaxis (IAP) can prevent this transmission route, and two main approaches are recommended to base the selection of pregnant women to be submitted to IAP: the risk-based and the culture-based strategies. In Brazil, compliance to such recommendations is poor, and not much is known about GBS carriage. In the present study, 3,647 pregnant women living in Rio de Janeiro State, Brazil, were screened for GBS anogenital colonization, over a period of 8 years (2008-2015)...
2018: PloS One
https://www.readbyqxmd.com/read/29746564/multiple-bacterial-infections-increase-the-risk-of-hepatic-encephalopathy-in-patients-with-cirrhosis
#5
Lan-Ting Yuan, Seng-Kee Chuah, Shih-Cheng Yang, Chih-Ming Liang, Cheng-Kun Wu, Wei-Chen Tai, Tsung-Hsing Hung, Seng-Howe Nguang, Jiunn-Wei Wang, Kuo-Lun Tseng, Ming-Kun Ku, Pin-I Hsu, Deng-Chyang Wu, Chien-Ning Hsu
OBJECTIVE: Patients with liver cirrhosis (LC) are at increased risk for bacterial infections. It is not fully understood how exposure to infections induces further development of hepatic encephalopathy (HE). This study estimated risks of infection associated with HE among patients with LC. METHODS: A nested case-control study of 14,428 adult patients with LC was performed using the population-based Longitudinal Health Insurance Database 2000 in Taiwan. Cases were cirrhotic patients who developed HE during follow-up...
2018: PloS One
https://www.readbyqxmd.com/read/29742943/comparison-between-presepsin-and-procalcitonin-in-early-diagnosis-of-neonatal-sepsis
#6
Agustin Iskandar, Maimun Z Arthamin, Kristin Indriana, Muhammad Anshory, Mina Hur, Salvatore Di Somma
BACKGROUND: Neonatal sepsis remains worldwide one of the leading causes of morbidity and mortality in both term and preterm infants. Lower mortality rates are related to timely diagnostic evaluation and prompt initiation of empiric antibiotic therapy. Blood culture, as gold standard examination for sepsis, has several limitations for early diagnosis, so that sepsis biomarkers could play an important role in this regard. This study was aimed to compare the value of the two biomarkers presepsin and procalcitonin in early diagnosis of neonatal sepsis...
May 9, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29733508/fast-rapid-determinations-of-antibiotic-susceptibility-phenotypes-using-label-free-cytometry
#7
Tzu-Hsueh Huang, Yih-Ling Tzeng, Robert M Dickson
Sepsis, a life-threatening immune response to blood infections (bacteremia), has a ∼30% mortality rate and is the 10th leading cause of US hospital deaths. The typical bacterial loads in adult septic patients are ≤100 bacterial cells (colony forming units, CFU) per ml blood, while pediatric patients exhibit only ∼1000 CFU/ml. Due to the low numbers, bacteria must be propagated through ∼24-hours blood cultures to generate sufficient CFUs for diagnosis and further analyses. Herein, we demonstrate that, unlike other rapid post-blood culture antibiotic susceptibility tests (ASTs), our phenotypic approach can drastically accelerate ASTs for the most common sepsis-causing gram-negative pathogens by circumventing long blood culture-based amplification...
May 7, 2018: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/29732457/a-computable-definition-of-sepsis-facilitates-screening-and-performance-improvement-tracking
#8
Lauren J Alessi, Holly R Warmus, Erin K Schaffner, Sajel Kantawala, Joseph Carcillo, Johanna Rosen, Christopher M Horvat
Background: Sepsis kills almost 5,000 children annually, accounting for 16% of pediatric health care spending in the United States. Objectives: We sought to identify sepsis within the Electronic Health Record (EHR) of a quaternary children's hospital to characterize disease incidence, improve recognition and response, and track performance metrics. Methods: Methods are organized in a plan-do-study-act cycle. During the "plan" phase, electronic definitions of sepsis (blood culture and antibiotic within 24 hours) and septic shock (sepsis plus vasoactive medication) were created to establish benchmark data and track progress with statistical process control...
March 2018: Pediatric Quality & Safety
https://www.readbyqxmd.com/read/29727310/rectal-culture-and-sensitivity-analysis-for-reducing-sepsis-risk-after-fiducial-marker-placement
#9
William M Mendenhall, Gail Sarto, Curtis M Bryant, Christopher G Morris, Christopher R Williams, Joseph A Costa, Mark Bandyk, Bradford S Hoppe, Randal H Henderson, R Charles Nichols, Nancy P Mendenhall
PURPOSE: Placement of fiducial markers for prostate radiotherapy (RT) is associated with a 2% to 3% risk of bacterial urinary tract infection (UTI) that may progress to sepsis necessitating hospitalization. These bacterial UTIs are primarily due to flouroquinolone (FQ) resistant Escherichia coli (E. coli). The incidence of this complication has increased in recent years. The purpose of this study is to determine whether rectal culture and sensitivity (C&S) to identify FQ resistant E...
May 4, 2018: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29722636/recent-advances-in-nanomedicine-for-sepsis-treatment
#10
Simseok A Yuk, Diego A Sanchez-Rodriguez, Michael D Tsifansky, Yoon Yeo
Sepsis and septic shock are life-threating conditions, which form a continuum of the body's response to overwhelming infection. The current treatment consists of fluid and metabolic resuscitation, hemodynamic and end-organ support, and timely initiation of antibiotics. However, these measures may be ineffective and the sepsis-related mortality toll remains substantial; therefore, an urgent need exists for new therapies. Recently, several nanoparticle (NP) systems have shown excellent protective effects against sepsis in preclinical models, suggesting a potential utility in the management of sepsis and septic shock...
May 1, 2018: Therapeutic Delivery
https://www.readbyqxmd.com/read/29706953/conserved-bacterial-binding-peptides-of-the-scavenger-like-human-lymphocyte-receptor-cd6-protect-from-mouse-experimental-sepsis
#11
Mario Martínez-Florensa, Cristina Català, María Velasco-de Andrés, Olga Cañadas, Víctor Fraile-Ágreda, Sergi Casadó-Llombart, Noelia Armiger-Borràs, Marta Consuegra-Fernández, Cristina Casals, Francisco Lozano
Sepsis is an unmet clinical need constituting one of the most important causes of death worldwide, a fact aggravated by the appearance of multidrug resistant strains due to indiscriminate use of antibiotics. Host innate immune receptors involved in pathogen-associated molecular patterns (PAMPs) recognition represent a source of broad-spectrum therapies alternative or adjunctive to antibiotics. Among the few members of the ancient and highly conserved scavenger receptor cysteine-rich superfamily (SRCR-SF) sharing bacterial-binding properties there is CD6, a lymphocyte-specific surface receptor...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29703848/should-empiric-antibiotic-therapy-be-withheld-when-aetiology-of-preterm-birth-is-non-infectious-a-protocol-for-a-systematic-review
#12
Joanna Seliga-Siwecka, Mohammed Toseef Ansari, Judy Aschner, Margaret Sampson, Justyna Romańska
INTRODUCTION: Preterm birth (PTB) at <37 weeks of gestation is the leading cause of perinatal morbidity and mortality in developed countries. The traditional approach has been based on the assumption that PTB is primarily a result of intrauterine infection, which triggers preterm labour and puts the newborn at risk of early onset sepsis (EOS). We are currently experiencing a rise in prematurity that results from maternal and fetal diseases unrelated to infection. We have designed a systematic review to assess whether chemoprophylaxis should be withheld when the aetiology of preterm birth is non-infectious...
April 27, 2018: BMJ Open
https://www.readbyqxmd.com/read/29700761/development-and-first-evaluation-of-a-novel-multiplex-real-time-pcr-on-whole-blood-samples-for-rapid-pathogen-identification-in-critically-ill-patients-with-sepsis
#13
Kirsten van de Groep, Martine P Bos, Paul H M Savelkoul, Anna Rubenjan, Christel Gazenbeek, Willem J G Melchers, Tom van der Poll, Nicole P Juffermans, David S Y Ong, Marc J M Bonten, Olaf L Cremer
Molecular tests may enable early adjustment of antimicrobial therapy and be complementary to blood culture (BC) which has imperfect sensitivity in critically ill patients. We evaluated a novel multiplex real-time PCR assay to diagnose bloodstream pathogens directly in whole blood samples (BSI-PCR). BSI-PCR included 11 species- and four genus-specific PCRs, a molecular Gram-stain PCR, and two antibiotic resistance markers. We collected 5 mL blood from critically ill patients simultaneously with clinically indicated BC...
April 26, 2018: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29698291/csa-90-promotes-bone-formation-and-mitigates-methicillin-resistant-staphylococcus-aureus-infection-in-a-rat-open-fracture-model
#14
Rebecca Mills, Tegan L Cheng, Kathy Mikulec, Lauren Peacock, David Isaacs, Carl Genberg, Paul B Savage, David G Little, Aaron Schindeler
BACKGROUND: Infection of open fractures remains a significant cause of morbidity and mortality to patients worldwide. Early administration of prophylactic antibiotics is known to improve outcomes; however, increasing concern regarding antimicrobial resistance makes finding new compounds for use in such cases a pressing area for further research. CSA-90, a synthetic peptidomimetic compound, has previously demonstrated promising antimicrobial action against Staphylococcus aureus in rat open fractures...
June 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29686180/chromobacterium-violaceum-the-deadly-sepsis
#15
Guntur Darmawan, R N Yasmin Kusumawardhani, Bachti Alisjahbana, Trinugroho Heri Fadjari
Chromobacterium violaceum is a Gram-negative facultatively anaerobic, oxidase-positive bacterium producing a dark violet antioxidant pigment called violacein. It is an opportunistic pathogen and has an ubiquitous distribution, mainly resides in water and soil of tropical and subtropical regions.An-18-year-old man referred to the emergency room with a 5-day history of progressively worsening swelling of the right cheek. He sought consult and hospitalized at another institution for three days prior this admission; however, his condition deteriorated...
January 2018: Acta Medica Indonesiana
https://www.readbyqxmd.com/read/29684147/plasma-and-csf-pharmacokinetics-of-meropenem-in-neonates-and-young-infants-results-from-the-neomero-studies
#16
Eva Germovsek, Irja Lutsar, Karin Kipper, Mats O Karlsson, Tim Planche, Corine Chazallon, Laurence Meyer, Ursula M T Trafojer, Tuuli Metsvaht, Isabelle Fournier, Mike Sharland, Paul Heath, Joseph F Standing
Background: Sepsis and bacterial meningitis are major causes of mortality and morbidity in neonates and infants. Meropenem, a broad-spectrum antibiotic, is not licensed for use in neonates and infants below 3 months of age and sufficient information on its plasma and CSF disposition and dosing in neonates and infants is lacking. Objectives: To determine plasma and CSF pharmacokinetics of meropenem in neonates and young infants and the link between pharmacokinetics and clinical outcomes in babies with late-onset sepsis (LOS)...
April 19, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29675402/poor-compliance-with-sepsis-guidelines-in-a-tertiary-care-children-s-hospital-emergency-room
#17
Benjamin Louis Moresco, Clinton Woosley, Morris Sauter, Utpal Bhalala
Objectives: This study aimed to assess factors related to adherence to the Pediatric Advanced Life Support guidelines for severe sepsis and septic shock in an emergency room (ER) of a tertiary care children's hospital. Methods: This was a retrospective, observational study of children (0-18 years old) in The Children's Hospital of San Antonio ER over 1 year with the International Consensus Definition Codes, version-9 (ICD-9) diagnostic codes for "severe sepsis" and "shocks...
2018: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/29673562/candida-tropicalis-burn-wound-sepsis-a-series-of-histopathology-confirmed-cases
#18
Chunjie Fan, Qingfen Tian, Guobao Huang, Lei Zhang, Qiuhe Wu, Keyan Zhang
Fungal infection in severely burned patients is a serious problem due to various factors, such as the extensive application of antibiotics. In this study, we report on the course of severely burned patients with Candida tropicalis burn wound sepsis. Five such cases were reviewed. The patients were treated with itraconazole intravenously and simultaneous antibiotics to prevent bacterial infections. In addition, dermabrasion was used to excise the eschar and the wound surface was covered immediately with dermatoplasty...
April 16, 2018: Intensive & Critical Care Nursing: the Official Journal of the British Association of Critical Care Nurses
https://www.readbyqxmd.com/read/29661440/renopancreatic-transplantation-evaluation-of-15-years-in-131-patients
#19
C G Marmanillo, C Langaro, J E Nicoluzzi, R T Belila, M Macri, R Zamprogna, M Luvizotto, M Takahashi
BACKGROUND: The most common multiple-organ transplant is the simultaneous pancreas-kidney transplantation (SPK). It is usually offered to patients who have insulin-dependent diabetes mellitus and those with diabetic nephropathy and renal failure that has already been established. In this study we present the results of 15 years of SPK in a transplant hospital center in Paraná, Brazil, and evaluated survival, immunosuppression, and transplant-related problems. METHODS: This study was a retrospective analysis of 131 SPK transplants performed at the Angelina Caron Hospital between January 2001 and December 2015...
April 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29657216/colistin-induced-myasthenic-syndrome-in-a-patient-with-end-stage-renal-disease
#20
Pratim Sengupta, Sumanta Biswas
With resurgence of multidrug resistance (MDR) bacteria and no new novel broad-spectrum antibiotic in research pipeline, usage of older generation antibiotics, once discarded due to their toxicity profile are becoming popular again. Often these drugs are the only option left in managing MDR bacteria-related sepsis. Colistin is one of such antibiotic which is often used in recent times after decades of its avoidance due to its diverse toxicity profile. In this case report, we present a rare myasthenic syndrome like neuromuscular complication developed in a patient after receiving colistin for treatment of MDR Klebsiella-related urosepsis...
March 2018: Saudi Journal of Kidney Diseases and Transplantation
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