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Sterilization and disinfection

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https://www.readbyqxmd.com/read/27890058/disinfection-and-sterilization-emerging-trends-and-technologies
#1
Marsha Barnden
No abstract text is available yet for this article.
December 2016: AORN Journal
https://www.readbyqxmd.com/read/27882119/bactericidal-effect-of-plasma-jet-with-helium-flowing-through-3-hydrogen-peroxide-against-enterococcus-faecalis
#2
Xin-Cai Zhou, Yu-Lan Li, De-Xi Liu, Ying-Guang Cao, Xin-Pei Lu
The aim of the present study was to assess the antimicrobial activity of plasma jet with helium (He) flowing through 3% hydrogen peroxide in root canals infected with Enterococcus faecalis. A total of 42 single-rooted anterior teeth were prepared, sterilized, inoculated with an E. faecalis suspension and incubated for 7 days. Next, the teeth were randomly divided into six experimental groups (including groups treated by plasma jet with or without He for different time durations) and one control group treated without plasma...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27878220/diagnosis-of-compliance-of-health-care-product-processing-in-primary-health-care
#3
Camila Eugenia Roseira, Darlyani Mariano da Silva, Isis Pienta Batista Dias Passos, Fabiana Souza Orlandi, Maria Clara Padoveze, Rosely Moralez de Figueiredo
Objective: identify the compliance of health care product processing in Primary Health Care and assess possible differences in the compliance among the services characterized as Primary Health Care Service and Family Health Service. Method: quantitative, observational, descriptive and inferential study with the application of structure, process and outcome indicators of the health care product processing at ten services in an interior city of the State of São Paulo - Brazil...
November 21, 2016: Revista Latino-americana de Enfermagem
https://www.readbyqxmd.com/read/27866488/disposable-bronchoscope-model-for-simulating-endoscopic-reprocessing-and-surveillance-cultures
#4
Mohamed H Yassin, Rahman Hariri, Yasir Hamad, Juliet Ferrelli, Leeanna McKibben, Yohei Doi
BACKGROUND Endoscope-associated infections are reported despite following proper reprocessing methods. Microbiological testing can confirm the adequacy of endoscope reprocessing. Multiple controversies related to the method and interpretation of microbiological testing cultures have arisen that make their routine performance a complex target. OBJECTIVE We conducted a pilot study using disposable bronchoscopes (DBs) to simulate different reprocessing times and soaking times and to compare high-level disinfection versus ethylene oxide sterilization...
November 21, 2016: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/27866468/intratubular-disinfection-with-tri-antibiotic-and-calcium-hydroxide-pastes
#5
Thais Cristina Pereira, Layla Reginna Silva Munhoz De Vasconcelos, Marcia Sirlene Zardin Graeff, Marco Antonio Hungaro Duarte, Clóvis Monteiro Bramante, Flaviana Bombarda De Andrade
OBJECTIVE: The aim of this study was to compare the in vitro intradentinal antimicrobial ability of the calcium hydroxide and tri-antibiotic pastes. MATERIALS AND METHODS: Standard bovine dentin tubes were sterilized and then infected with Enterococcus faecalis by a new contamination protocol of great depths of dentin. The specimens were filled with the medications, divided into two test-groups: calcium hydroxide (Group 1) and tri-antibiotic (Group 2) pastes. After 15 days, the teeth were evaluated by microbiological culture and confocal laser scanning microscopy (CLSM) with viability dye assay LIVE/DEAD inside dentinal tubules...
November 21, 2016: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/27822328/solar-optics-based-active-panel-for-solar-energy-storage-and-disinfection-of-greywater
#6
W Lee, J Song, J H Son, M P Gutierrez, T Kang, D Kim, L P Lee
Smart city and innovative building strategies are becoming increasingly more necessary because advancing a sustainable building system is regarded as a promising solution to overcome the depleting water and energy. However, current sustainable building systems mainly focus on energy saving and miss a holistic integration of water regeneration and energy generation. Here, we present a theoretical study of a solar optics-based active panel (SOAP) that enables both solar energy storage and photothermal disinfection of greywater simultaneously...
September 2016: Biomicrofluidics
https://www.readbyqxmd.com/read/27818222/adenosine-triphosphate-bioluminescence-for-bacteriological-surveillance-and-reprocessing-strategies-for-minimizing-risk-of-infection-transmission-by-duodenoscopes
#7
Saurabh Sethi, Robert J Huang, Monique T Barakat, Niaz Banaei, Shai Friedland, Subhas Banerjee
BACKGROUND/AIMS: Recent outbreaks of duodenoscope-transmitted infections underscore the importance of adequate endoscope reprocessing. Adenosine triphosphate (ATP) bioluminescence testing allows rapid evaluation of endoscopes for bacteriological/biological residue. In this prospective study we evaluate the utility of ATP in bacteriological surveillance, and the effects of endoscopy staff education and dual cycles of cleaning and high-level disinfection (HLD) on endoscope reprocessing...
November 3, 2016: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/27805536/-outbreaks-related-to-contaminated-duodenoscopes-causes-and-solutions
#8
A W Rauwers, M C Vos, J W Poley, J G Buijs-Hegeman, M J Bruno
Duodenoscopes for Endoscopic Retrograde Cholangiopancreatography (ERCP) are used for diagnostic and, presently predominantly, for minimally invasive therapeutic procedures involving the biliary tree and the pancreatic duct. In 2012, in the Erasmus MC in the Netherlands, a large outbreak of multidrug-resistant bacteria was caused by a contaminated duodenoscope; its design was such that thorough cleaning was not possible. Worldwide, an increasing number of outbreaks involving multidrug-resistant bacteria caused by contaminated duodenoscopes have been reported on...
2016: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/27790258/evaluation-of-cytotoxic-effects-of-various-endodontic-irrigation-solutions-on-the-survival-of-stem-cell-of-human-apical-papilla
#9
Narges Farhad Mollashahi, Eshaghali Saberi, Hamed Karkehabadi
INTRODUCTION: Root canal disinfection is an important step in regenerative endodontic treatments. An ideal irrigating solution must have high antimicrobial activity and minimum cytotoxicity. This study sought to assess the effect of some irrigating solutions on stem cells from the human apical papilla (SCAP) after different periods of exposure. METHODS AND MATERIALS: Stem cells were isolated from immature, impacted mandibular third molars, transferred to 24-well plates, randomly divided into 6 experimental groups and exposed to BioPure MTAD Cleanser, QMix, 17% EDTA, 2% chlorhexidine (CHX), 5...
2016: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/27782374/effect-of-disinfection-and-sterilization-on-the-tensile-strength-surface-roughness-and-wettability-of-elastomers
#10
Sunil Babu Kotha, Ravikumar Ramakrishnaiah, Darshan Devang Divakar, Sree Lalita Celur, Saad Qasim, Jukka P Matinlinna
AIM: The aim of the present study was to evaluate the effect of chemical disinfection, autoclave, and microwave sterilization on some of the key properties of elastomers. METHODS: Five polyvinylsiloxane elastomeric impression materials were evaluated. Forty samples were fabricated from each material. The samples were randomly selected and assigned to four experimental groups with 50 samples each: group I, control; group II,chemical disinfection; group III, autoclave sterilization; and group IV, microwave sterilization...
October 26, 2016: Journal of Investigative and Clinical Dentistry
https://www.readbyqxmd.com/read/27778309/infection-prevention-and-ultrasound-probe-decontamination-practices-in-europe-a-survey-of-the-european-society-of-radiology
#11
Christiane Marita Nyhsen, Hilary Humphreys, Carlos Nicolau, Gerhard Mostbeck, Michel Claudon
OBJECTIVES: Although ultrasound (US) is considered one of the safest imaging modalities, concerns have been raised regarding potential infection transmission risks through US procedures. A survey was undertaken by the European Society of Radiology (ESR) to establish infection prevention and control measures in US and to highlight the importance of good medical practice. METHODS: An online survey was sent to all 22,000 full ESR members. RESULTS: The response rate of completed surveys was 4...
December 2016: Insights Into Imaging
https://www.readbyqxmd.com/read/27776820/designing-for-cleanability-the-effects-of-material-surface-roughness-and-the-presence-of-blood-test-soil-and-bacteria-on-devices
#12
Elizabeth A Gonzalez, Poulomi Nandy, Anne D Lucas, Victoria M Hitchins
Cleaning reusable medical devices removes organic and inorganic soil, which allows for effective disinfection and sterilization. However, it is not always clear what variables to consider when validating cleaning. This study compared the ability of 3 different cleaning agents (ie, water, alcohol, and bleach) to remove bacteria (ie, vegetative and spores) and artificial blood test soil from 2 common device materials: polypropylene and ultra-high-molecular-weight polyethylene. There was a complex interaction between bacteria, soil, and surface roughness...
October 21, 2016: American Journal of Infection Control
https://www.readbyqxmd.com/read/27769703/the-practice-of-disinfection-of-high-speed-handpieces-with-70-w-v-alcohol-an-evaluation
#13
Flávia Morais Gomes Pinto, Camila Quartim de Moraes Bruna, Tamara Carolina Camargo, Maíra Marques, Cely Barretos Silva, Suzete M Sasagawa, Lycia Maria Jenné Mimica, Kazuko Uchikawa Graziano
A high-speed handpiece is used in several dental procedures and the official recommendation for safe decontamination consists of rinsing with water, washing with detergent, mechanical friction, and sterilization; however, many professionals only apply 70% w/v alcohol without also cleaning the tool between patients. We performed an analysis of high-speed handpieces reprocessed only with 70% w/v alcohol and found that the methods used in clinical practice are not safe.
October 18, 2016: American Journal of Infection Control
https://www.readbyqxmd.com/read/27752974/hydrogels-based-on-poly-ethylene-glycol-as-scaffolds-for-tissue-engineering-application-biocompatibility-assessment-and-effect-of-the-sterilization-process
#14
Alondra Escudero-Castellanos, Blanca E Ocampo-García, Ma Victoria Domínguez-García, Jaime Flores-Estrada, Miriam V Flores-Merino
Hydrogels are suitable materials to promote cell proliferation and tissue support because of their hydrophilic nature, porous structure and sticky properties. However, hydrogel synthesis involves the addition of additives that can increase the risk of inducing cytotoxicity. Sterilization is a critical process for hydrogel clinical use as a proper scaffold for tissue engineering. In this study, poly(ethylene glycol) (PEG), poly(ethylene glycol)-chitosan (PEG-CH) and multi-arm PEG hydrogels were synthesized by free radical polymerization and sterilized by gamma irradiation or disinfected using 70 % ethanol...
December 2016: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/27720026/application-of-slightly-acidic-electrolyzed-water-for-decontamination-of-stainless-steel-surfaces-in-animal-transport-vehicles
#15
Li Ni, Weichao Zheng, Qiang Zhang, Wei Cao, Baoming Li
The effectiveness of slightly acidic electrolyzed water (SAEW) in reducing Escherichia coli, Salmonella typhimurim, Staphylococcus aureus or bacterial mixtures on stainless steel surfaces was evaluated and compared its efficacy with composite phenol solution for reducing total aerobic bacteria in animal transport vehicles. Stainless steel surfaces were inoculated with these strains individually or in a mixture, and sprayed with SAEW, composite phenol, or alkaline electrolyzed water for 0.5, 1, 1.5 and 2min...
October 1, 2016: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/27666195/sporicidal-performance-induced-by-photocatalytic-production-of-organic-peroxide-under-visible-light-irradiation
#16
Yuichi Yamaguchi, Takahito Shimodo, Noriyasu Chikamori, Sho Usuki, Yoshihiro Kanai, Takeshi Endo, Ken-Ichi Katsumata, Chiaki Terashima, Masahiko Ikekita, Akira Fujishima, Tomonori Suzuki, Hideki Sakai, Kazuya Nakata
Bacteria that cause serious food poisoning are known to sporulate under conditions of nutrient and water shortage. The resulting spores have much greater resistance to common sterilization methods, such as heating at 100 °C and exposure to various chemical agents. Because such bacteria cannot be inactivated with typical alcohol disinfectants, peroxyacetic acid (PAA) often is used, but PAA is a harmful agent that can seriously damage human health. Furthermore, concentrated hydrogen peroxide, which is also dangerous, must be used to prepare PAA...
September 26, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27665294/disinfection-of-human-musculoskeletal-allografts-in-tissue-banking-a-systematic-review
#17
REVIEW
J Mohr, M Germain, M Winters, S Fraser, A Duong, A Garibaldi, N Simunovic, D Alsop, D Dao, R Bessemer, O R Ayeni
Musculoskeletal allografts are typically disinfected using antibiotics, irradiation or chemical methods but protocols vary significantly between tissue banks. It is likely that different disinfection protocols will not have the same level of microorganism kill; they may also have varying effects on the structural integrity of the tissue, which could lead to significant differences in terms of clinical outcome in recipients. Ideally, a disinfection protocol should achieve the greatest bioburden reduction with the lowest possible impact on tissue integrity...
December 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27630953/evaluation-of-vinegar-as-a-disinfectant-for-extracted-human-teeth-an-in-vitro-study
#18
Sindhuja Gogineni, Kiranmai Ganipineni, Suresh Babburi, Aparna Venigalla, Soujanya Pinnisetti, Ajay Benarji Kotti, Lavanya Kalapala
INTRODUCTION: In dentistry, extracted human teeth are routinely used to learn technical and preclinical skills. Since human teeth harbour many pathogens these should be disinfected before use to minimize the risk of infections. Some commonly used disinfectants in laboratories are 10% formalin, 3% hydrogen peroxide (H2O2), 5.25% Sodium Hypochlorite (NaOCl), 70% alcohol and normal saline which have their own disadvantages like carcinogenicity, toxicity, cost effectiveness etc. Many studies have been conducted using these solutions but there is no evidence to suggest a suitable alternative for disinfecting extracted teeth...
July 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27614837/survey-of-bovine-colostrum-quality-and-hygiene-on-northern-victorian-dairy-farms
#19
A J Phipps, D S Beggs, A J Murray, P D Mansell, M A Stevenson, M F Pyman
One of the major challenges for dairy producers is to produce, harvest, and store high-quality colostrum and feed it to their replacement heifer calves. Limited published data are available in Australia regarding the relationship between colostrum management, hygiene, and quality. The objectives of this study were to investigate (1) the colostrum storage and handling practices carried out on farm; (2) the immunoglobulin concentration and bacterial composition of colostrum being fed to replacement dairy heifer calves; (3) the percentage of colostrum being fed to replacement dairy heifer calves that meet industry recommendations; and (4) risk factors for bacterial contamination of colostrum...
September 7, 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/27611755/bacterial-contamination-of-the-internal-cavity-of-dental-implants-after-application-of-disinfectant-or-sealant-agents-under-cyclic-loading-in-vitro
#20
Anke Podhorsky, Sven Putzier, Peter Rehmann, Philipp Streckbein, Eugen Domann, Bernd Wöstmann
The aim of this in vitro study was to evaluate the influence of two sealants (Kiero Seal, Kuss Dental, and Berutemp 500, Carl-Bechem) and a disinfectant agent (Chlorhexamed gel, GlaxoSmithKline) on bacterial colonization of the implant-abutment interface. Implants were pretreated with the substances or left without sealing before standard abutments were fixed. Half the specimens were subjected to cyclic loading, and the others were not loaded. Following 7 days of incubation in a bacterial solution, bacterial counts of the internal part of the implants were determined by real-time polymerase chain reaction...
September 2016: International Journal of Prosthodontics
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