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Nosocomial infection

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https://www.readbyqxmd.com/read/29055112/systematic-review-found-that-there-was-moderate-evidence-that-vaccinating-healthcare-workers-prevented-pertussis-in-infants
#1
REVIEW
A van den Hoogen, J M Duijn, L G M Bode, D C Vijlbrief, L de Hooge, H D L Ockhuijsen
This systematic review investigated the effectiveness of vaccinating healthcare workers against pertussis on the occurrence of nosocomial pertussis outbreaks or infections among unprotected infants. We focused on eight studies, with five different study designs, that involved 39,129 healthy adolescents and adults, 115 healthcare workers, 2,000 simulated healthcare workers and a simulated population of 200,000 people. CONCLUSION: There was moderate evidence that tetanus-diphtheria acellular pertussis vaccinations for healthcare workers were effective in preventing pertussis in all age groups and specifically in infants...
October 20, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/29051092/a-study-on-the-targeted-surveillance-of-nosocomial-infection-in-intensive-care-units-of-177-hospitals-in-jiangsu-province-of-china
#2
Yang Li, Xiao-Li Cao, Hai Ge, Yi-Hong Jiang, Hong Zhou, Wei Zheng
BACKGROUND: Nosocomial infections (NIs) impact care and costs in hospitals across the globe. There are minimal data on targeted surveillance of NI in intensive care units (ICUs), and data specific to the risk factors for NI are especially limited. METHODS: One hundred seventy-seven secondary and tertiary hospitals performed NI targeted surveillance in their ICUs. The data were collected and summarized by Minke software, then fed back once per quarter. RESULTS: The incidence of NI appeared to decrease, and the incidence of NI per 1000 patient-days and adjusted incidence were 25...
October 16, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/29050716/postoperative-spine-dressing-changes-are-unnecessary
#3
Ravi S Bains, Mayur Kardile, Lance K Mitsunaga, Sukhraj Bains, Nirmal Singh, Cary Idler
INTRODUCTION: There is minimal literature regarding when dressing changes should be performed. We present the dressing change protocol adopted by our institution. The purpose of this study was to provide an update of our experience with this dressing change protocol over a 15-year period. METHODS: Effective January 2005, we implemented our universal protocol of no dressing changes for five days after surgery. Reviewing a health system administrative database, all spine surgery cases involving instrumentation performed at our institution were captured...
November 2017: Spine Deformity
https://www.readbyqxmd.com/read/29050604/chitosan-as-an-effective-inhibitor-of-multidrug-resistant-acinetobacter-baumannii
#4
E M Costa, S Silva, S Vicente, M Veiga, F Tavaria, M M Pintado
Over the last two decades worldwide levels of antibiotic resistance have risen leading to the appearance of multidrug resistant microorganisms. Acinetobacter baumannii is a known skin pathogen which has emerged as a major cause of nosocomial outbreaks due to its capacity to colonize indwelling medical devices and natural antibiotic resistance. With chitosan being an effective antimicrobial agent against antibiotic resistant microorganisms, the aim of this work was to access its potential as an alternative to traditional antimicrobials in the management of A...
December 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29050059/-ambulant-anesthesia-organization-in-medical-practices-and-hospitals
#5
Frank Vescia, Harald Hofer
Legislation, regulations and rules must be complied with when conducting ambulant surgeries and administering ambulant anesthesia. Additionally, there are social welfare legislation and regulations, as well as technical guidelines and standards that must be complied with, for instance, regarding the management of medical products or the disposal of waste and sewage in medical practices. At a country level, many of these regulatory areas are managed differently by each German state, and in some instances management differs significantly from one state to another...
October 2017: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/29049134/in-trauma-patients-the-occurrence-of-early-onset-nosocomial-infections-is-associated-with-increased-plasma-concentrations-of-chromogranin-a
#6
Francis Schneider, Céline Marban, Gharib Ajob, Sophie Helle, Max Guillot, Anne Launoy, Quentin Maestraggi, Francesco Scavello, Olivier Rohr, Marie-Hélène Metz-Boutigue
In previously healthy persons suffering from acute illnesses, nosocomial infections are frequent. Their prevalence suggests the existence of as yet unknown conditions that may promote care-related infection. This study assessed whether 1) the measurement of plasma chromogranin A, a stress-related protein involved in innate defence, is related to nosocomial infection risk and 2) whether any chromogranin-A-derived fragment included in vasostatin-I displays immunosuppressive activities related to AP-1 or NF-kappa B down regulation...
October 18, 2017: Shock
https://www.readbyqxmd.com/read/29048477/the-role-of-toxins-in-clostridium-difficile-infection
#7
Ramyavardhanee Chandrasekaran, D Borden Lacy
Clostridium difficile is a bacterial pathogen that is the leading cause of nosocomial antibiotic-associated diarrhea and pseudomembranous colitis worldwide. The incidence, severity, mortality and healthcare costs associated with C. difficile infection (CDI) are rising, making C. difficile a major threat to public health. Traditional treatments for CDI involve use of antibiotics such as metronidazole and vancomycin, but disease recurrence occurs in about 30% of patients, highlighting the need for new therapies...
October 18, 2017: FEMS Microbiology Reviews
https://www.readbyqxmd.com/read/29047237/proteus-vulgaris-and-proteus-mirabilis-decrease-candida-albicans-biofilm-formation-by-suppressing-morphological-transition-to-its-hyphal-form
#8
Kyoung Ho Lee, Su Jung Park, Sun Ju Choi, Joo Young Park
PURPOSE: Candida albicans (C. albicans) and Proteus species are causative agents in a variety of opportunistic nosocomial infections, and their ability to form biofilms is known to be a virulence factor. In this study, the influence of co-cultivation with Proteus vulgaris (P. vulgaris) and Proteus mirabilis (P. mirabilis) on C. albicans biofilm formation and its underlying mechanisms were examined. MATERIALS AND METHODS: XTT reduction assays were adopted to measure biofilm formation, and viable colony counts were performed to quantify yeast growth...
November 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/29046846/bi-layer-sandwich-film-for-antibacterial-catheters
#9
Gerhard Franz, Florian Schamberger, Hamideh Heidari Zare, Sara Felicitas Bröskamp, Dieter Jocham
Background: Approximately one quarter of all nosocomial infections can be attributed to the urinary tract. The infections are supposed to be mainly caused by implantations of urethral catheters and stents. A new catheter design is introduced with the aim to lower the high number of nosocomial urethral infections. In order to avoid limitations to use, the design is first applied to conventional commercially available balloon catheters. Results: The main feature of the design is a sandwich layer on both sides of the catheter wall, which is composed of a fragmented base layer of silver capped by a thin film of poly(p-xylylene)...
2017: Beilstein Journal of Nanotechnology
https://www.readbyqxmd.com/read/29044371/nosocomial-amplification-of-mers-coronavirus-in-south-korea-2015
#10
Maimuna S Majumder, John S Brownstein, Stan N Finkelstein, Richard C Larson, Lydia Bourouiba
Background: Nosocomial amplification resulted in nearly 200 cases of Middle East respiratory syndrome (MERS) during the 2015 South Korean MERS-coronavirus outbreak. It remains unclear whether certain types of cases were more likely to cause secondary infections than others, and if so, why. Methods: Publicly available demographic and transmission network data for all cases were collected from the Ministry of Health and Welfare. Statistical analyses were conducted to determine the relationship between demographic characteristics and the likelihood of human-to-human transmission...
June 1, 2017: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29042186/bacterial-biofilm-and-associated-infections
#11
REVIEW
Muhsin Jamal, Wisal Ahmad, Saadia Andleeb, Fazal Jalil, Muhammad Imran, Muhammad Asif Nawaz, Tahir Hussain, Muhammad Ali, Muhammad Rafiq, Muhammad Atif Kamil
Microscopic entities, microorganisms that drastically affect human health need to be thoroughly investigated. A biofilm is an architectural colony of microorganisms, within a matrix of extracellular polymeric substance that they produce. Biofilm contains microbial cells adherent to one-another and to a static surface (living or non-living). Bacterial biofilms are usually pathogenic in nature and can cause nosocomial infections. The National Institutes of Health (NIH) revealed that among all microbial and chronic infections, 65% and 80%, respectively, are associated with biofilm formation...
October 14, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29040678/extended-models-for-nosocomial-infection-parameter-estimation-and-model-selection
#12
Alun Thomas, Karim Khader, Andrew Redd, Molly Leecaster, Yue Zhang, Makoto Jones, Tom Greene, Matthew Samore
We consider extensions to previous models for patient level nosocomial infection in several ways, provide a specification of the likelihoods for these new models, specify new update steps required for stochastic integration, and provide programs that implement these methods to obtain parameter estimates and model choice statistics. Previous susceptible-infected models are extended to allow for a latent period between initial exposure to the pathogen and the patient becoming themselves infectious, and the possibility of decolonization...
October 12, 2017: Mathematical Medicine and Biology: a Journal of the IMA
https://www.readbyqxmd.com/read/29040627/risk-factors-for-measles-virus-infection-among-adults-during-a-large-outbreak-in-postelimination-era-in-mongolia-2015
#13
José E Hagan, Yoshihiro Takashima, Amarzaya Sarankhuu, Otgonbayar Dashpagma, Baigalmaa Jantsansengee, Roberta Pastore, Gunregjav Nyamaa, Buyanjargal Yadamsuren, Mick N Mulders, Kathleen A Wannemuehler, Raydel Anderson, Bettina Bankamp, Paul Rota, James L Goodson
Background: In 2015, a large nationwide measles outbreak occurred in Mongolia, with very high incidence in the capital city of Ulaanbaatar and among young adults. Methods: We conducted an outbreak investigation including a matched case-control study of risk factors for laboratory-confirmed measles among young adults living in Ulaanbaatar. Young adults with laboratory-confirmed measles, living in the capital city of Ulaanbaatar, were matched with 2-3 neighborhood controls...
October 12, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29040079/identification-of-nontuberculous-mycobacteria-isolated-from-hospital-water-by-sequence-analysis-of-the-hsp65-and-16s-rrna-genes
#14
Mehdi Roshdi Maleki, Hossein Samadi Kafil, Naser Harzandi, Seyyed Reza Moaddab
Nontuberculous mycobacteria (NTM) have emerged as an important cause of opportunistic nosocomial infections. NTM has frequently been isolated from hospital water distribution systems. The aim of this study was to survey the risk of NTM infections and determine the prevalence of NTM species in the hospital water distribution systems in Tabriz, Iran. One hundred and twenty samples of water from different sources of Tabriz hospitals were collected. The samples were filtered through 0.45-µm pore size membranes and decontaminated with 0...
October 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/29038662/multidrug-resistant-enteric-bacterial-pathogens-in-a-psychiatric-hospital-in-ghana-implications-for-control-of-nosocomial-infections
#15
Kwabena O Duedu, George Offei, Francis S Codjoe, Eric S Donkor
Enteric bacteria are commonly implicated in hospital-acquired or nosocomial infections. In Ghana, these infections constitute an important public health problem but little is known about their contribution to antibiotic resistance. The aim of the study was to determine the extent and pattern of antibiotic resistance of enteric bacteria isolated from patients and environmental sources at the Accra Psychiatric Hospital. A total of 265 samples were collected from the study site including 142 stool and 82 urine samples from patients, 7 swab samples of door handle, and 3 samples of drinking water...
2017: International Journal of Microbiology
https://www.readbyqxmd.com/read/29038125/modulators-of-enterococcus-faecalis-cell-envelope-integrity-and-antimicrobial-resistance-influence-stable-colonization-of-the-mammalian-gastrointestinal-tract
#16
Ismael L Banla, Sushma Kommineni, Michael Hayward, Marinelle Rodrigues, Kelli L Palmer, Nita H Salzman, Christopher J Kristich
The Gram-positive bacterium Enterococcus faecalis is both a colonizer of the gastrointestinal tract (GIT) and an agent of serious nosocomial infections. Although typically required for pathogenesis, GIT colonization by E. faecalis is poorly understood. E. faecalis tolerates high concentrations of GIT antimicrobials like cholate and lysozyme, leading us to hypothesize that resistance to intestinal antimicrobials is essential for long-term GIT colonization. Analyses of E. faecalis mutants exhibiting defects in antimicrobial resistance revealed that IreK, a determinant of envelope integrity and antimicrobial resistance, is required for long-term GIT colonization...
October 16, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/29038052/serine-threonine-protein-kinase-ppka-contributes-to-the-adaptation-and-virulence-in-pseudomonas-aeruginosa
#17
Jianyi Pan, Zhenzhong Zha, Pengfei Zhang, Ran Chen, Chen Ye, Ting Ye
Pseudomonas aeruginosa is a leading cause of nosocomial infections worldwide and has become a serious public health threat, which is attributed to a large extent to its extraordinary environmental adaptability and diverse virulence factors that result in infection and progression of pathogenesis. The eukaryote-type serine/threonine (Ser/Thr) protein kinases, known for playing major regulatory roles in eukaryotes, have been demonstrated to play a central role in regulating various bacterial cellular processes via catalyzing protein phosphorylation...
October 13, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29037914/antimicrobial-activity-and-preliminary-mode-of-action-of-plnef-expressed-in-escherichia-coli-against-staphylococci
#18
Xuan Tang, Shuangshuang Wu, Xiaofeng Wang, Qing Gu, Ping Li
Strains belonging to the genus of Staphylococci, such as Staphylococcus aureus are common pathologic bacteria which may cause nosocomial cross infection and food contamination. Plantaricin EF (PlnEF), a two-peptide nonlantibiotic bacteriocin produced by Lactobacillus plantarum strains, shows great inhibitory effects against Gram-positive Staphylococci strains. To overproduce this two-peptide bacteriocin, plnE and plnF genes were cloned into pET32a (+) vector and heterologously expressed in Escherichia coli by fusion with His6-tag in this study...
October 13, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/29035909/dysregulated-myelopoiesis-and-hematopoietic-function-following-acute-physiologic-insult
#19
Tyler J Loftus, Alicia M Mohr, Lyle L Moldawer
PURPOSE OF REVIEW: The purpose of this review is to describe recent findings in the context of previous work regarding dysregulated myelopoiesis and hematopoietic function following an acute physiologic insult, focusing on the expansion and persistence of myeloid-deriver suppressor cells, the deterioration of lymphocyte number and function, and the inadequacy of stress erythropoiesis. RECENT FINDINGS: Persistent myeloid-derived suppressor cell (MDSC) expansion among critically ill septic patients is associated with T-cell suppression, vulnerability to nosocomial infection, chronic critical illness, and poor long-term functional status...
October 13, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/29033719/epidemiology-and-characteristics-of-nosocomial-infections-in-critically-ill-patients-in-a-tertiary-care-intensive-care-unit-of-northern-india
#20
Anirban Hom Choudhuri, Mitali Chakravarty, Rajeev Uppal
BACKGROUND AND AIMS: The prevalence of nosocomial infection is higher in the Intensive Care Unit (ICU) than other areas of the hospital. The present observational study was undertaken to describe the epidemiology and characteristics of nosocomial infections acquired in a tertiary care ICU and the impact of the various risk factors in their causation. MATERIALS AND METHODS: A retrospective study was conducted on the prospectively collected data of 153 consecutive patients admitted in a tertiary care ICU between July 2014 and December 2015...
October 2017: Saudi Journal of Anaesthesia
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