ABSTRACT
Objective To investigate the safety of cleaning and disinfection of duodenoscope used in endoscopic retrograde cholangiopancreatography (ERCP).Methods The duodenoscopes,which were used in Endoscopy Center of Digestive Disease Hospital,Heilongjiang Provincial Hospital from May 4 to May 31 2016,were cleaned manually and disinfected with sterilization powder.The samples from elevator and elevator channel were collected for bacterial culture to evaluate the safety of clinical application of duodenoscope.Results Among 60 high level disinfections,one was excluded because disinfectant concentration wasn't effective.Among 59 elevator samples no positive cultures were detected,while among 59 channel samples,4(6.8％) cultures were positive and all from the same duodenoscope,including 3 cases of Klebsiella pneumonia and 1 case of Pseudomonas aeruginosa.Conclusion Sterilization powder is effective for disinfection of duodenoscope used for ERCP.Residual organic material can't be excluded from elevator sample even if it is negative for culture.Duodenoscope with high level disinfection still has the risk of transmitted infection,and should be monitored regularly by culture and reprocessed in time.
ABSTRACT
· AIM: To study the clinical characteristics of metastatic bacterial endophthalmitis.endophthalmitis were retrospectively studied.manifestation was found in 17 cases (77%), iridal purulent nodules in 2 cases and retinal purulent embolism In 3 cases. The total number of leucocytes and neutrophilic granulocytes was elevated markedly, while lymphocyte count was reduced significantly in early stage. Positive rate of bacterial cultivation was 36%.dophthalmitis often have apparent extraocular infected situation before eye Is involved. Ocular appearance and laboratory examination have some specificity in early stage, while bacterial cultivation, as a golden standard,needs to be further improved.
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Objective: To observe the clinical disinfection effect of root canal with non-filling medication. Methods: 36 patients who required root canal therapy(RCT) for apical periodontitis (acute or chronic) or pulp necrosis were involved in the study.RCT was completed after two visits in both groups. Non-filling medication was used as disinfection in 18 teeth of 18 patients (experimental group) while FC in another 18 teeth of 18 patients (control group) randomly at first visit.One week later,root canal was regularly filled to complete RCT.From each case, bacteria specimens were collected and identified before sealing and filling. Results: Bacteria were detected in every specimen in both groups before sealing,which were mixture of aerobes and anaerobes.One week later,only one strain was detected in one specimen of each group. Conclusion: Non-filling medication can be used as an effective disinfection to sterilize root canal.