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Suction tube disinfection

Tetsuyou Watanabe, Toshio Koyama, Takeshi Yoneyama, Mitsutoshi Nakada
This paper presents a force-visually-observable silicone retractor, which is an extension of a previously developed system that had the same functions of retracting, suction, and force sensing. These features provide not only high usability by reducing the number of tool changes, but also a safe choice of retracting by visualized force information. Suction is achieved by attaching the retractor to a suction pipe. The retractor has a deformable sensing component including a hole filled with a liquid. The hole is connected to an outer tube, and the liquid level displaced in proportion to the extent of deformation resulting from the retracting load...
April 5, 2017: Sensors
Patricia Scanlon, Kathleen Flaherty, Erik A Reilly, Ellen G Barth, Gail Potter-Bynoe, Jeff Cardini, Ann Marie Riley, Alexander J McAdam, Thomas J Sandora
OBJECTIVE The maximum safe storage interval after endoscope reprocessing remains unknown. We assessed the association between storage interval and endoscope contamination to evaluate the need for scope reprocessing prior to use. METHODS We conducted a study in 2 phases. In phase 1, we cultured 9 gastrointestinal (GI) endoscopes that had been stored for at least 7 days since reprocessing. Each scope was cultured in 3 places: external surfaces of hand piece, insertion tube, and internal channels. In phase 2, after reprocessing these scopes, we hung and cultured them prospectively in a similar fashion at 1-, 2-, 4-, 6-, and 8-week intervals without patient use...
February 2017: Infection Control and Hospital Epidemiology
A Kanayama, R Kawahara, T Yamagishi, K Goto, Y Kobaru, M Takano, K Morisada, A Ukimura, F Kawanishi, A Tabuchi, T Matsui, K Oishi
BACKGROUND: Little is known about multidrug-resistant Pseudomonas aeruginosa (MDRP) outbreaks in long-term care facilities (LTCFs). AIM: To describe an MDRP outbreak in an LTCF and to clarify risk factors for MDRP acquisition. METHODS: Patients who were positive for MDRP at an LTCF from January 2013 to January 2014 were analysed. A descriptive analysis, a case-control study, and a microbiological analysis were performed. FINDINGS: A total of 23 MDRP cases were identified, 16 of which were confirmed in sputum samples...
May 2016: Journal of Hospital Infection
M A Boyle, M J O'Donnell, R J Russell, N Galvin, J Swan, D C Coleman
OBJECTIVES: Decontaminating dental chair unit (DCU) suction systems in a convenient, safe and effective manner is problematic. This study aimed to identify and quantify the extent of the problems using 25 DCUs, methodically eliminate these problems and develop an efficient approach for reliable, effective, automated disinfection. METHODS: DCU suction system residual contamination by environmental and human-derived bacteria was evaluated by microbiological culture following standard aspiration disinfection with a quaternary ammonium disinfectant or alternatively, a novel flooding approach to disinfection...
October 2015: Journal of Dentistry
Majid Yazdani, Golnar Sabetian, Shahin Ra'ofi, Amir Roudgari, Monireh Feizi
INTRODUCTION: Ventilator-associated pneumonia (VAP) is one of the most popular nosocomial infections in the intensive care units and the nurse's role in preventing it is very important. The aim of this study was to compare the effect of two methods of face to face training and work- shop clinical guidelines in prevention of VAP. METHODS: In this experimental randomized clinical trial, the knowledge and practice of nurses in ICUs were studied in two groups: face to face training (35 nurses) and workshops (40 nurses) by using clinical guidelines in prevention of VAP in one of the hospitals of Shiraz University of Medical Sciences...
April 2015: Journal of Advances in Medical Education & Professionalism
Joel Rosenblatt, Ruth Reitzel, Ying Jiang, Ray Hachem, Issam Raad
We developed an in vitro model to evaluate the effect of different cuffed endotracheal tubes (ETTs) on transtracheal transmission of ventilator-associated pneumonia (VAP) pathogens along external surfaces of ETTs. The model independently assessed the relative contributions of microbial proliferation to the distal tip and microaspiration of contaminated secretions past the cuff by testing in three modes: microaspiration only, microbial proliferation only, and simultaneous microaspiration and microbial proliferation...
2014: BioMed Research International
Haruyuki Kasuda, Yoshiko Ozawa, Satoshi Miyake, Takashi Ohkubo
(1) Outer surface of anesthesia machines and patient monitors, and breathing bags are exposed to the contaminated anesthetists' hands and fingers. Disinfection by wiping surface of anesthesia machines with alcohol, and disinfecting hands and fingers with rubbing-type, alcohol-based antiseptics are encouraged. (2) Anesthesia equipments' breathing circuit part is contaminated by patients' breath and respiratory secretions. It is necessary to set rules for exchange of breathing circuit tubes and breathing bags, periodical cleansing and disinfection of canisters as well as inhalation and exhalation valves, and usage of bacteria filters...
May 2010: Masui. the Japanese Journal of Anesthesiology
Katsuhiro Yorioka, Shigeharu Oie, Akira Kamiya
We investigated the microbial contamination of suction tubes attached to wall-type suction instruments. Microbial contamination of suction tubes used for endoscopy or sputum suction in hospital wards was examined before and after their disinfection. In addition, disinfection and washing methods for suction tubes were evaluated. Suction tubes (n=33) before disinfection were contaminated with 10(2)-10(8) colony-forming units (cfu)/tube. The main contaminants were Pseudomonas aeruginosa, Acinetobacter baumannii, and Stenotrophomonas maltophilia...
March 2010: Japanese Journal of Infectious Diseases
Janet Hannah, Shawn Craddock
There is little evidence to suggest the appropriate frequency for changing suction canisters and tubing in the gastroenterology setting. This survey was initiated to determine whether there was a community standard for this issue. A diverse geographic response from attendees at the 2006 Society of Gastroenterology Nurses and Associates revealed that there is no current "standard of practice." Findings were diverse and are reported on the basis of the size of the facility, type of facility, number of endoscopic procedure rooms, and number of endoscopic procedures per month...
September 2007: Gastroenterology Nursing: the Official Journal of the Society of Gastroenterology Nurses and Associates
Benjamin Gesundheit, David Greenberg, Shlomo Walfish, Ron Dagan, Gideon Koren, David Malkin, Moshe David Tendeler
Ritual circumcision performed on eight-day-old male infants is rooted in the Bible and is discussed in the earliest Jewish sources. The practice has been observed across the generations in every Jewish community in Israel and the Diaspora. According to Jewish ritual, the mohel--the ritual circumcisor--amputates the foreskin and then folds back the membrane that lies beneath it. This is followed by metzitza--"suction"--a practice performed throughout the ages by mouth. Halakhic literature sets down strict rules regarding this surgical intervention in order to prevent medical complications for the newborn...
February 2005: Harefuah
Nasia Safdar, Christopher J Crnich, Dennis G Maki
Ventilator-associated pneumonia (VAP) is the most common nosocomial infection in the intensive care unit and is associated with major morbidity and attributable mortality. Strategies to prevent VAP are likely to be successful only if based upon a sound understanding of pathogenesis and epidemiology. The major route for acquiring endemic VAP is oropharyngeal colonization by the endogenous flora or by pathogens acquired exogenously from the intensive care unit environment, especially the hands or apparel of health-care workers, contaminated respiratory equipment, hospital water, or air...
June 2005: Respiratory Care
Kazui Soma, Hiroshi Imai, Masayasu Arai
This article reviews the epidemiology, risk factors, pathogenesis, diagnosis, treatment, and prophylaxis of ventilator-associated pneumonia (VAP), which is one of the most important infectious complications during the perioperative period. The definition of VAP is a nosocomial pneumonia occurring more than 48 h after endotracheal intubation and initiation of mechanical ventilation. Early liberation from the ventilator and the use of non-invasive positive-pressure ventilation are useful in preventing VAP. The early institution of appropriate antimicrobial therapy contributes to a good outcome...
November 2004: Nihon Geka Gakkai Zasshi
A Pajkos, K Vickery, Y Cossart
We predicted that biofilm would form on surfaces of endoscope tubing in contact with fluids, and may be difficult to remove by current washing procedures. Its presence may protect micro-organisms from disinfectant action and contribute to failure of decontamination prior to re-use. Tubing samples removed from 13 endoscopes that had been sent to an endoscope-servicing centre were examined for the presence of biofilm and bacteria by scanning electron microscopy. Biological deposits were present on all samples tested...
November 2004: Journal of Hospital Infection
H Miño de Kaspar, T Grasbon, A Kampik
PURPOSE: Contamination of automated surgical equipment is a potential source of postoperative endophthalmitis. The effect of disinfecting the unsterile vacuum control manifold (VCM) on contamination of the aspiration fluid was studied. DESIGN: Comparative prospective microbiologic contamination study. SPECIMENS AND CONTROLS: The 37 aspiration fluid specimens studied or examined consisted of 25 from three automated evacuation systems equipped with an internal VCM (experimental groups) and 12 from one system equipped with a modified external VCM (control group)...
April 2000: Ophthalmology
J Barbeau, L ten Bokum, C Gauthier, A P Prévost
It has been postulated that evacuation systems used in dentistry could be a source of cross-contamination between patients through backflow of bacteria dislodged from the saliva ejector tubings. The bacterial microflora associated with these systems was characterized using transmission electron microscopy (TEM) and microbiological cultures. The potential for backflow was investigated by a study of pressure differentials in evacuation system tubing and by the presence of bacteria in backflow samples. Evacuation lines were coated with microbial biofilms in which microcolonies of Gram-positive cocci and Gram-negative bacilli predominated, embedded in an extensive polysaccharide matrix...
December 1998: Journal of Hospital Infection
L M Edmunds, A Rawlinson
Blood contamination of 16 surfaces in the dental surgery was investigated using the Kastle-Meyer test for haemoglobin, after three types of periodontal procedures had been performed on a total of 30 patients. The effect of cleaning surfaces contaminated by blood was investigated using the same test. Cleaning materials used in the dental surgery were tested to rule out the possibility of false positive outcomes and the sensitivity of the test was determined prior to the study. The results show a marked variation in the degree of contamination and efficacy of cleaning following treatment...
October 1998: Australian Dental Journal
S C Bahng, S VanHala, V S Nelson, E A Hurvitz, D W Roloff, E A Grady, C C Lewis
OBJECTIVE: There are little data on the actual care given pediatric tracheostomy patients in their homes. Information on the use of supplies and on techniques and frequency of care is valuable for a better understanding of the needs of this population. DESIGN: Questionnaires were distributed by mail or at clinic visits from May 1995 to June 1996 to a convenience sample of tracheotomized patients at the University of Michigan Pediatric Physical Medicine and Rehabilitation clinic...
November 1998: Archives of Physical Medicine and Rehabilitation
N S Chu, D McAlister, P A Antonoplos
BACKGROUND: Colonoscopes present a special bacterial decontamination challenge because the colon has a large and diverse microbial population. METHODS: Bioburden of colonoscope insertion tube surfaces and suction channels were determined after use and after manual cleaning. RESULTS: After use bioburden in suction channels averaged 7.0 x 10(9) colony-forming units (cfu). Cleaning reduced this level to 1.3 x 10(5). Cleaning of tube surfaces reduced the after-use bioburden from a level of 5...
August 1998: Gastrointestinal Endoscopy
P S Graman, G A Quinlan, J A Rank
OBJECTIVE: To investigate a case of nosocomial legionellosis, identify pathways of transmission, and effect control of the environmental source. DESIGN: Case investigation and environmental culture surveillance. SETTING: A 720-bed university teaching hospital. CASE PATIENT: A ventilator-dependent 66-year-old male developed nosocomial pneumonia due to Legionella pneumophila serogroup 6 after 3 months in an intensive-care unit (ICU). The patient had no intake of potable water except for ice chips from an ice machine in the ICU...
September 1997: Infection Control and Hospital Epidemiology
P Jumaa, B Chattopadhyay
An outbreak of gentamicin, ciprofloxacin-resistant Pseudomonas aeruginosa in an intensive care unit, was investigated. The majority of isolates were from sputum and the organism was not isolated from any other patient in the hospital, except those admitted to the unit. A prospective study was set up, and the organism was found to be associated with contaminated quivers, used to store suction tubing between use on ventilated patients. Once the quivers were disinfected and changed between patients daily, the outbreak stopped...
November 1994: Journal of Hospital Infection
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