Helicobacter pylori transmission vi...

Helicobacter pylori transmission via contaminated endoscopes

Endoscopy April 2003

Gastric and duodenal peptic sore s are significant health care question at issues that cause pain and suffering for millions of clan Most peptic ulcers are caused by dint of an infection from the bacterium, Helicobacter pylori (H pylori). This prospective contemplation was undertaken to determine if endoscopes be subservient to as a reservoir for H pylori and if the now passing cleaning and disinfection procedure for endoscopes completely displaces the risk for transmission of this bacterium. (1) During a six-month period, 400 patients undergoing routine upper gastrointestinal endoscopy were assessed for H pylori. Additionally, the endoscopes used forward these patients were cultured before and after manual cleaning and disinfection.

Findings. individual hundred twenty-eight (32%) of the 400 patients trialed positive for H. pylori. Fifty four (42%) of the rinsing-sample improvements obtained from endoscopes used in succession the patients with H. pylori were base to be contaminated with H pylori before manual cleaning and disinfection. individual (1.9%) of the 54 contaminated samples grew H pylori after cleaning and disinfection had been completed

Clinical implications. This research revealed that endoscopes can become contaminated during conducts on patients with H. pylori and then can subserve as reservoirs for the bacteria. Manual cleaning and disinfection using existing methods (ie, cleaning with a brush and high of the same height disinfection with a 2% glutaraldehyde solution) cannot completely take away the risk of H. pylori transmission. Perioperative cherishs should periodically reassess the efficacy of their manual cleaning and disinfection conducts and consider using automatic endoscope reprocessors.

Safety and efficacy of bowel lavage solutions

Endoscopy April 2003

The usefulness of colonoscopy for the detection and diagnosis of colonic disorders relies heavily forward the effectiveness of preoperative bowel cleansing. This randomized, prospective contemplation was undertaken to compare the effectiveness, safety, and tolerability of three commonly used bowel lavage solutions--a standard polyethylene glycol electrolyte solution (PEG-ELS1) a sulphate-free polyethylene glycol electrolyte solution (PEG-ELS2) and a sodium phosphate preparation (NaP). (2) undivided hundred seventy-three patients undergoing elective colonoscopy were assigned randomly to single of the three preoperative bowel cleansing regimens (PEG-ELS1 n = 59; PEG-ELS2 n = 54; NaP, n = 60) The quality of bowel cleansing for each bowel section was scored by endoscopists using a five-level rating scale ranging from single (ie, very good) to five (ie, highly poor). Before the procedure, the patients scored their overall satisfaction with the bowel preparation in succession a visual analogue scale ranging from naught (ie, excellent) to 10 (ie, real poor). Safety and tolerability were evaluated through means of clinical laboratory criterions Descriptive statistics were used to analyze differences between the three regimens.

Findings. The cleaning efficiency of PEG-ELS1 was high and consistent across all portions of the colon, with 915% of the scores rated as "good" by means of endoscopists. This formulation was build to be significantly superior to the other formulations in relation to the "worst cleansing" score (P [les than or equal to] 0003) There was no significant difference for patient satisfaction among the three treatment clusters (PEG-ELS1 5.8 [+ or -] 20 PEG-ELS2 64 [+ or -] 16 NaP 62 [+ or -] 24 P = 019)

Clinical implications. Preoperative bowel cleansing with PEG-ELS1 was well tolerated according to patients and found to be the mostly efficient of the three preparations. Perioperative nurtures should be aware that PEG-ELS1 may become the preferr process for bowel cleansing before colonoscopy and be prepared to educate and instruct patients in its use.

Aspiration of expired air during cataract surgery

watch January 2003

Surgical draping of a patient's face during cataract surgery causes the patient to rebreathe carbon dioxide (C[Osub2]) from expired air, predisposing the patient to hypoxia. The objective of this randomized inquiry was to investigate the validity on peripheral oxygen saturation (Sp[Osub2]) and finis tidal carbon dioxide (EtC[O.sub.2]) of aspirating expired air from one side a suction system. (3) single in kind hundred fifty-five patients scheduled for cataract surgery were assigned randomly to either a manage group or a treatment cluster Patients in the control clump (n = 77) received solely oxygen insufflation. Patients in the treatment cluster (n = 78) received oxygen insufflation, and expired air in subordination to the drapes was aspirated with a Y-piece suction arrangement Heart rate, Sp[O.sub.2] and EtC[Osub2] were measured at baseline, brace and 10-minutes intervals (ie, 10 20 30 40 50 and 60 minutes) after the start of the proceeding Unpaired t test and analysis of variance were used to analyze differences between the groups

Findings. Baseline Sp[Osub2] and EtC[Osub2] were similar in the two groups. Nine patients in the bridle group developed hypoxia. Severe reduction of Sp[Osub2] and increase of EtC[Osub2] also were observ in this assemblage Peripheral oxygen saturation was significantly higher in the treatment assign places to at 30, 40, 50, and 60 minutes after the start of surgery (P [les than or equal to] 005) Similarly, EtC[Osub2] horizontals for the treatment group did not increase and were significantly lower than those of the direct group (P [less than or equal to] 005)