Is the Variable Stiffness Pediatric Colonoscope More Effective That a Standard Adult Colonoscope for Outpatient Adult Colonoscopy? A Randomized Controlled Trial

Al-Shurieki, Samer H.; Ravindran, Priya D.; Marshall, John B.

doi:10.1111/j.1572-0241.2003.08588.x

Cited by 1 publication

(2 citation statements)

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“…Various studies have been completed comparing standard colonoscopes with variable stiffness colonoscopes (4)(5)(6)(7)(8)(9). A meta-analysis (10) that included 7 randomized studies showed that the percentage of cecal intubation was greater with variable stiffness colonoscopes when compared to standard colonoscopes, with less abdominal pain and reduced sedation needed, without differences related to the duration of cecal intubation and use of auxiliary tasks (manual compression and posture changes).…”

Section: Discussionmentioning

confidence: 99%

“…These endoscopes combine the flexibility of a pediatric colonoscope with the stiffness of a standard adult colonoscope through a simple device that increases or decreases the insertion tube stiffness. To date, several controlled studies (4)(5)(6)(7)(8)(9) and two meta-analysis (10,11) have been conducted comparing this type of colonoscope with standard colonoscopes which have shown that the variable stiffness colonoscope decreases caecal intubation time and patient discomfort. However, in a previous study in our centre (12) we found that it is not always necessary to use the variable stiffness function.…”

Section: Introductionmentioning

confidence: 99%

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Factors related to the effectiveness of variable stiffness colonoscope: results of a multivariate analysis

Sola-Vera

Uceda

Brotons

et al. 2014

Rev. esp. enferm. dig.

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Background: Various studies and two meta-analysis have shown that a variable stiffness colonoscope improves cecal intubation rate. However, there are few studies on how this colonoscope should be used.Objective: The aim of this study was to identify factors related to the advancement of the colonoscope when the variable stiffness function is activated.Methods: Prospective study enrolling consecutive patients referred for colonoscopy. The variable stiffness colonoscope (Olympus CF-H180DI/L®) was used. We performed univariate and multivariate analyses of factors associated with the success of the variable stiffness function.Results: After the data inclusion period, 260 patients were analyzed. The variable stiffness function was used most in the proximal colon segments (ascending and transverse colon 85 %; descending/sigmoid colon 15.2 %). The body mass index was lower in patients in whom the endoscope advanced after activating the variable stiffness than those in which it could not be advanced (25.9 ± 4.8 vs. 28.3 ± 5.4 kg/m 2 , p = 0.009). The endoscope advanced less frequently when the stiffness function was activated in the ascending colon versus activation in other segments of the colon (25 % vs. 64.5 % ascending colon vs. other segments; p < 0.05). In the multivariate analysis, only the colon segment in which the variable stiffness was activated was an independent predictor of advancement of the colonoscope.Conclusions: The variable stiffness function is effective, allowing the colonoscope advancement especially when applied in the transverse colon, descending colon and sigmoid. However, when used in the ascending colon it has a lower effectiveness.

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