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The methodology developed for this research involved proposing the exploration using a capsule with patients that met the set requirements. To this end, an intestinal cleaning was required the day before applying this kind of exploration. Taking advantage of this cleaning procedure, a different specialist carried out a subsequent conventional colonoscopy. In this way, a comparison was subsequently made between the lesions found with the endoscopy capsule and those diagnosed with conventional colonoscopy.

Results for comparison of techniques

With the comparison established between the results obtained by means of one or the other exploration technique, it was found that the colonoscopy undertaken with the capsule showed a sensitivity for diagnosing polyps for 64% of existing ones, taking as a reference the 100% diagnosed with conventional colonoscopy. Doctor Muoz pointed out that this is a relatively low percentage. However, it has to be emphasised that, for all the participating teams in the study, it was the first time that this procedure was used and that the diagnosis efficacy curve of the specialists improves with the increase in experience in using the technique. With more advanced lesions, normally larger ones, the sensitivity of the cases studied by the hospitals overall increased to 73%.

As regards specificity, i.e. coincidence between located lesions and those that really exist, the average rate provided by capsule endoscopy is 84% of those diagnosed with conventional colonoscopy.

Good results for the Hospital

Of the overall results obtained by the 8 centres taking part in the study, it is significant that the Univ
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