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Wound sepsis

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https://www.readbyqxmd.com/read/28806210/risk-stratification-for-major-postoperative-complications-in-patients-undergoing-intra-abdominal-general-surgery-using-latent-class-analysis
#1
Minjae Kim, Melanie M Wall, Guohua Li
BACKGROUND: Preoperative risk stratification is a critical element in assessing the risks and benefits of surgery. Prior work has demonstrated that intra-abdominal general surgery patients can be classified based on their comorbidities and risk factors using latent class analysis (LCA), a model-based clustering technique designed to find groups of patients that are similar with respect to characteristics entered into the model. Moreover, the latent risk classes were predictive of 30-day mortality...
August 10, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28796661/fms-like-tyrosine-kinase-3-ligand-attenuates-local-and-systemic-infection-in-a-model-of-post-burn-pneumonia
#2
Gabriel Hundeshagen, Weihua Cui, Lindsay Musgrove, Aaron Cherry, Seung-Jin Lee, Robert A Cox, Tracy Toliver-Kinsky
BACKGROUND: Burn injury induces immunosuppression and promotes infection with opportunistic pathogens. Pneumonia and sepsis are leading causes of post-burn morbidity and mortality. Fms-like tyrosine kinase-3 ligand (Flt3L) improves local and systemic resistance to P. aeruginosa-associated burn wound infection. This study evaluates the effects of post-burn prophylactic Flt3L treatment on local and systemic infection and inflammation in a murine model of pneumonia and sepsis. METHODS: Mice received a severe scald burn, were treated with Flt3L or vehicle (CTR) for 5 days and inoculated trans-nasally with P...
August 7, 2017: Shock
https://www.readbyqxmd.com/read/28777909/cave-canem-hbo%C3%A2-therapy-efficacy-on-capnocytophaga-canimorsus-infections-a-case-series
#3
Mariano Marmo, Romolo Villani, Raffaele Maria Di Minno, Giuseppe Noschese, Matteo Paganini, Silvia Quartesan, Alex Rizzato, Gerardo Bosco
BACKGROUND: Dog bites are a frequent injury, but the incidence and type of lesions vary across countries. Although only few patients develop complications, the treatment of advanced injuries has a considerable medical, social and economic impact. A frequently isolated pathogen in dog bite wounds is Capnocytophaga canimorsus, a bacterium that can cause sepsis or meningitis. Hyperbaric oxygen (HBO₂) therapy has been shown to be useful in treating anaerobic infections, most likely because it creates an inhospitable environment for the bacterium and enhances the patient's immune response...
March 2017: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/28756902/bevacizumab-for-advanced-cervical-cancer-final-overall-survival-and-adverse-event-analysis-of-a-randomised-controlled-open-label-phase-3-trial-gynecologic-oncology-group-240
#4
Krishnansu S Tewari, Michael W Sill, Richard T Penson, Helen Huang, Lois M Ramondetta, Lisa M Landrum, Ana Oaknin, Thomas J Reid, Mario M Leitao, Helen E Michael, Philip J DiSaia, Larry J Copeland, William T Creasman, Frederick B Stehman, Mark F Brady, Robert A Burger, J Tate Thigpen, Michael J Birrer, Steven E Waggoner, David H Moore, Katherine Y Look, Wui-Jin Koh, Bradley J Monk
BACKGROUND: On Aug 14, 2014, the US Food and Drug Administration approved the antiangiogenesis drug bevacizumab for women with advanced cervical cancer on the basis of improved overall survival (OS) after the second interim analysis (in 2012) of 271 deaths in the Gynecologic Oncology Group (GOG) 240 trial. In this study, we report the prespecified final analysis of the primary objectives, OS and adverse events. METHODS: In this randomised, controlled, open-label, phase 3 trial, we recruited patients with metastatic, persistent, or recurrent cervical carcinoma from 81 centres in the USA, Canada, and Spain...
July 27, 2017: Lancet
https://www.readbyqxmd.com/read/28747072/regulation-of-staphylococcus-aureus-infection-of-macrophages-by-cd44-reactive-oxygen-species-and-acid-sphingomyelinase
#5
Cao Li, Yuqing Wu, Veronique Orian-Rousseau, Yang Zhang, Erich Gulbins, Heike Grassme
AIMS: Staphylococcus aureus plays an important role in sepsis, pneumonia, and wound infections. Acid sphingomyelinase (Asm)-deficient mice are highly susceptible to pulmonary S. aureus infections. Here, we investigated the role of CD44 as a molecule that mediates important aspects of the infection of macrophages with S. aureus. RESULTS: We showed that CD44 activation by S. aureus stimulated Asm via the formation of reactive oxygen species (ROS), resulting in ceramide release, clustering of CD44 in ceramide-enriched membrane platforms, CD44/Asm-dependent activation of Rho family GTPases, translocation of phospho-ezrin/radixin/moesin to the plasma-membrane, and a rapid rearrangement of the actin cytoskeleton with cortical actin polymerization...
July 26, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28740662/treatment-for-sternoclavicular-joint-infections-a-multi-institutional-study
#6
Allen Murga, Hannah Copeland, Rachel Hargrove, Jason M Wallen, Salman Zaheer
BACKGROUND: Sternoclavicular joint (SCJ) infections are rare and difficult to manage. Surgery is necessary for treatment. METHODS: A retrospective chart review of the university hospital and Veterans Administration (VA) hospitals of all patients treated for SCJ infections since 2001 was conducted. Fifteen [15] patients were identified and evaluated for the types of infections, risk factors, treatments and survival. RESULTS: All 15 patients were symptomatic including: pain [13], erythema [9], purulent drainage [3], fever greater than 38...
June 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28739297/the-impact-of-insulin-dependence-on-short-term-postoperative-complications-in-diabetic-patients-undergoing-total-shoulder-arthroplasty
#7
Michael C Fu, Venkat Boddapati, David M Dines, Russell F Warren, Joshua S Dines, Lawrence V Gulotta
BACKGROUND: The number of total shoulder arthroplasty (TSA) procedures performed is steadily increasing, and it is important to characterize predictors of postoperative complications for risk assessment models. Whereas diabetes has been associated with increased morbidity after TSA, the impact of insulin dependence on the risk profile of diabetic patients has not been described. METHODS: The National Surgical Quality Improvement Program database from 2011-2014 was used to identify 5918 TSA cases...
July 21, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28733486/%C3%AE-toxin-regulates-local-granulocyte-expansion-from-hematopoietic-stem-and-progenitor-cells-in-staphylococcus-aureus-infected-wounds
#8
Patrick C Falahee, Leif S Anderson, Mack B Reynolds, Mauricio Pirir, Bridget E McLaughlin, Carly A Dillen, Ambrose L Cheung, Lloyd S Miller, Scott I Simon
The immune response to Staphylococcus aureus infection in skin involves the recruitment of polymorphonuclear neutrophils (PMNs) from the bone marrow via the circulation and local granulopoiesis from hematopoietic stem and progenitor cells (HSPCs) that also traffic to infected skin wounds. We focus on regulation of PMN number and function and the role of pore-forming α-toxin (AT), a virulence factor that causes host cell lysis and elicits inflammasome-mediated IL-1β secretion in wounds. Infection with wild-type S...
July 21, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28732537/negative-pressure-wound-therapy-versus-modified-barker-vacuum-pack-as-temporary-abdominal-closure-technique-for-open-abdomen-management-a-four-year-experience
#9
Giulia Montori, Niccolò Allievi, Federico Coccolini, Leonardo Solaini, Luca Campanati, Marco Ceresoli, Paola Fugazzola, Roberto Manfredi, Stefano Magnone, Matteo Tomasoni, Luca Ansaloni
BACKGROUND: We reviewed our experience with patients presenting with trauma and peritonitis who underwent an open abdomen (OA) procedure, and compared outcomes between Negative Pressure Wound Therapy (NPWT) and a modified Barker Vacuum Pack (mBVP) technique. METHODS: In this descriptive study, we retrospectively analyzed data regarding all patients who underwent OA for intra-abdominal sepsis or abdominal trauma at our Centre from January 2012 to December 2015. Demographic data, co-morbidities, indications to surgery, intra-operative details and Björck classification grade were considered...
July 21, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28723479/infectious-complications-of-circumcision-and-their-prevention
#10
REVIEW
Itzhak Brook
CONTEXT: A growing body of evidence supports the health benefits of circumcision, but the occurrence of infectious complications is of concern. OBJECTIVE: To review literature presenting past data and studies of infectious complications of circumcision and their prevention. EVIDENCE ACQUISITION: A literature search was conducted of the Cochrane Library, Embase, Turning Research into Practice, PubMed, and Medline databases from their inception through June 25, 2015...
October 2016: European Urology Focus
https://www.readbyqxmd.com/read/28722617/case-report-disseminated-shewanella-algae-infection-with-meningoencephalitis-in-a-traveler-secondary-to-marine-injury-in-madagascar
#11
Caroline Brulliard, Nicolas Traversier, Jérôme Allyn, Christopher Schaeffer, Bruno Bouchet, Nicolas Allou
Marine microorganisms such as Shewanella spp., Vibrio spp., and Aeromonas spp. can cause sepsis secondary to a wound infection in the context of swimming. These microorganisms are most often susceptible to fluoroquinolones. Here, we report a unique case of Shewanella algae bacteremia associated with meningoencephalitis and disseminated via hematogenous spread secondary to a skin injury. The patient suffered the injury while swimming in saline water during a cruise holiday in Madagascar, and she was initially treated with amoxicillin...
June 12, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28719657/isolation-and-in-vitro-evaluation-of-bacteriophages-against-mdr-bacterial-isolates-from-septic-wound-infections
#12
Roja Rani Pallavali, Vijaya Lakshmi Degati, Dakshayani Lomada, Madhava C Reddy, Vijaya Raghava Prasad Durbaka
Multi-drug resistance has become a major problem for the treatment of pathogenic bacterial infections. The use of bacteriophages is an attractive approach to overcome the problem of drug resistance in several pathogens that cause fatal diseases. Our study aimed to isolate multi drug resistant bacteria from patients with septic wounds and then isolate and apply bacteriophages in vitro as alternative therapeutic agents. Pus samples were aseptically collected from Rajiv Gandhi Institute of Medical Science (RIMS), Kadapa, A...
2017: PloS One
https://www.readbyqxmd.com/read/28715920/genital-tract-gbs-and-rate-of-histologic-chorioamnionitis-in-patients-with-preterm-premature-rupture-of-membrane
#13
Krunal Patel, Shauna Williams, George Guirguis, Lisa Gittens-Williams, Joseph Apuzzio
INTRODUCTION: Histologic chorioamnionitis (HC) is a common finding in the placenta from patients with preterm premature rupture of membranes (PPROM). The purpose of this study is to determine if HC differs based on the Group B streptococcus (GBS) status in patients managed expectantly with PPROM <34 weeks gestation. METHODS: A retrospective study was performed of patients admitted with PPROM between 23 0/7 and 33 6/7 weeks from 2003 to 2014 at one institution...
July 17, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28712173/surgical-site-infection-in-orthopaedic-implants-and-its-common-bacteria-with-their-sensitivities-to-antibiotics-in-open-reduction-internal-fixation
#14
Muhammad Qaisar Shah, Muhammad Shoib Zardad, Alamzeb Khan, Sajjad Ahmed, Abdus Saboor Awan, Taj Mohammad
BACKGROUND: Surgical site infection in orthopaedic implants is a major problem, causing long hospital stay, cost to the patient and is a burden on health care facilities. It increases rate of nonunion, osteomyelitis, implant failure, sepsis, multiorgan dysfunction and even death. Surgical site infection is defined as pain, erythema, swelling and discharge from wound site. Surgical site infection in orthopaedic implants is more challenging to the treating orthopaedic surgeon as the causative organism is protected by a biofilm over the implant's surface...
January 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28705768/the-clinical-and-microbiological-characteristics-of-infections-in-burn-patients-from-the-formosa-fun-coast-dust-explosion
#15
Tzu-Chao Lin, Rui-Xin Wu, Chih-Chien Chiu, Ya-Sung Yang, Yi Lee, Jung-Chung Lin, Feng-Yee Chang
BACKGROUND/PURPOSE: Bloodstream infection is a leading cause of mortality among burn patients. This study aimed to evaluate the risk factors, causative pathogens, and the relationship between bloodstream infections and other infections among burn patients from the Formosa Fun Coast Dust Explosion. METHODS: This retrospective study evaluated the demographic and clinical characteristics, infection types, causative pathogen(s), and isolates' antibiotic susceptibilities from patients who were hospitalized between June 27 and September 31, 2015...
June 22, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28702016/burn-serum-increases-staphylococcus-aureus-biofilm-formation-via-oxidative-stress
#16
Supeng Yin, Bei Jiang, Guangtao Huang, Yali Gong, Bo You, Zichen Yang, Yu Chen, Jing Chen, Zhiqiang Yuan, Ming Li, Fuquan Hu, Yan Zhao, Yizhi Peng
Staphylococcus aureus is a common pathogen isolated from burn patients that can form biofilms on burn wounds and implanted deep vein catheters, which often leads to refractory infections or even biofilm-related sepsis. As biofilm formation is usually regulated by environmental conditions, we hypothesized that serum composition may be altered after burn injury, potentially affecting the ability of infecting bacteria to form biofilms. As predicted, we observed that serum from burn-injured rats increases biofilm formation by S...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28685422/chronic-diseases-as-barriers-to-oxygen-delivery-a-unifying-hypothesis-of-tissue-reoxygenation-therapy
#17
G A Perdrizet
Modern medical practice has resulted in the accumulation of a growing number of incurable chronic diseases, many of which are inflammatory in nature. Inflammation establishes a hypoxic microenvironment within tissues, a condition of inflammatory hypoxia (IH). Tissues thus affected become severely compromised, are unable to elicit adaptive responses and eventually develop fibrosis and fixed microvascular deficits. Previous work has demonstrated that tissue hypoxia exits even within the simple human model of self-resolving inflammation, the tuberculin reaction...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28682855/management-of-a-complex-peristomal-calciphylaxis-a-case-study
#18
Mary Famorca, Debra Beauchaine, Nancy Angulo
BACKGROUND: Calciphylaxis, also referred to as calcific uremic arteriolopathy, is a rare and serious syndrome of small blood vessels with a high mortality rate. Calciphylaxis lesions require intensive wound management with medical interventions for the patient to survive the sequelae of sepsis and present unique challenges when found in the peristomal skin. CASE: A 33-year-old man presented with multiple malodorous stage 4 pressure injuries of his sacrococcygeal and gluteal area...
July 2017: Journal of Wound, Ostomy, and Continence Nursing
https://www.readbyqxmd.com/read/28680771/candida-pararugosa-first-reported-bloodstream-infection-in-an-adult
#19
Guy El Helou, Elizabeth Palavecino
Candida pararugosa is a yeast that has been previously isolated in various human specimens. The first reported isolation was from human feces in 1998, with subsequent reports of positive cultures from the oral cavity where it was thought to represent colonization rather than true infection. Though it has been isolated from other human sites, its clinical significance and manifestations are poorly characterized. We report the case of a 39-year-old woman on parenteral hyperalimentation who developed post abdominal surgery sepsis and surgical wound necrotizing fasciitis...
May 29, 2017: Curēus
https://www.readbyqxmd.com/read/28674636/diabetes-during-pregnancy-influence-of-body-mass-index-on-composite-morbidity
#20
Amy E O'Neil Dudley, Zachary B Jenner, Hector Mendez-Figueroa, Viviana S Ellis, Suneet P Chauhan
Objective  This study aims to compare composite maternal and neonatal morbidities (MM, NM) among pregnant women with diabetes mellitus whose body mass index (BMI) at delivery was < 30 (group 1), 30.0 to 39.9 (group 2), and ≥ 40 kg/m (2) (group 3). We hypothesized that increased BMI class at delivery would be associated with worsening maternal and neonatal outcomes. Methods  This is a retrospective cohort study. MM was defined as: chorioamnionitis, wound infection, eclampsia, diabetic ketoacidosis, hypoglycemia admission, third/fourth degree laceration, and/or death...
April 2017: American Journal of Perinatology Reports
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