Mullen, P.J.
April 2003
Gut;Apr2003 Supplement 1, Vol. 52, pA76
Academic Journal
Introduction: Faster caecal intubation times and reduced patient discomfort have been reported with the variable stiffness colonoscope when compared to a C200HL colonoscope. In this study of 100 cases, there was no demonstrable difference in completion rates. Aim: To compare the CF240AL variable stiffness and standard CF230L colonoscopes with respect to completion rates and total procedural time. Method: The records of all colonoscopies undertaken by a single operator since the purchase of a CF240AL colonoscope in April 2000 up until the end of September 2002 were reviewed retrospectively. Prime data collected were: patient demographics, completion rates (overall, and adjusted for operator independent failures such as poor bowel preparation, stricture, obstructing tumour), and total procedural time (door-to-door"). Kesults: There were 191 procedures with the CF230L and 214 with the CF240AL. There was no difference in either the patient demographics, the overall (86.4% cf. 86.9%) and adjusted (91.7% cf. 91.6%) completion rates, or the procedural times. Over the past 12 months, however, the completion rates were better with the CF240AL than the CF230L: 92.7% (97.8%) cf. 90.2% (93.2%) (difference NS). Conclusion: This study reveals no difference in completion rates or procedural times between the two types of colonoscope. This unexpected result probably reflects a learning curve with the CF240AL and a type 2 statistical error.


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