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PubMed · 11767436

Wireless endoscopy.

N Barroso Relinque·A Caunedo Alvarez·M Rodríguez Téllez·J M Herrerías Esteban·F Pellicer Bautista·J M Herrerías Gutiérrez
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Abstract

Wireless endoscopy consists of a small-sized device which allows gastrointestinal tract images to be taken as it physiologically advances along its lumen after being orally ingested. Its primary contribution is the study of small bowel conditions, a gastrointestinal tract segment in which diagnosis difficulties still arise when using current tests, including enteroscopy. Preliminary studies in animals and healthy subjects have revealed data on image quality, sensitivity, specificity, and safety that demonstrate the benefits of this new technique. This review discusses technical aspects, indications and contraindications, as well as studies reported so far on this endoscopic diagnostic procedure.

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N Barroso Relinque, A Caunedo Alvarez, M Rodríguez Téllez, J M Herrerías Esteban, F Pellicer Bautista, J M Herrerías Gutiérrez. 2001. Wireless endoscopy.. https://pubmed.ncbi.nlm.nih.gov/11767436/

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PubMed2003

Review article: The advent of capsule endoscopy--a not-so-futuristic approach to obscure gastrointestinal bleeding.

Capsule endoscopy is a new, wireless, endoscopic examination of the small intestine. To date, two small clinical trials have been reported utilizing capsule endoscopy in patients with obscure gastrointestinal bleeding, and have shown its superiority to push enteroscopy in diagnosing the cause of blood loss. No outcome studies have been reported. This paper proposes a change in practice guidelines for obscure bleeding. It is our opinion that, in the future, with the advent of wireless capsule endoscopy, the evaluation of patients with obscure gastrointestinal bleeding will be very different from the practice of medicine today. We believe that capsule endoscopy will become the first-line method for the evaluation of patients with obscure bleeding, once upper endoscopy and colonoscopy have been shown to be negative. In patients with active bleeding, capsule endoscopy will confirm the small bowel as the site of bleeding, providing a location, or, if the study is negative for the small intestine, may indicate that the bleeding is either colonic or gastric in origin. In a patient with active bleeding within the small intestine, the capsule will guide further evaluation and therapy. A patient with a small bowel tumour detected by capsule endoscopy will proceed directly to laparoscopic surgery. If the site of bleeding is identified in the proximal small bowel and there is no mass, push enteroscopy will be used to re-identify the site and cauterize it. A distal small bowel site will require surgical intervention, coupled with intra-operative enteroscopy. Should the patient be too sick to undergo surgery, medical therapy utilizing hormonal agents will be considered. A colonic site will be evaluated by colonoscopy. In patients with a more occult or intermittent type of bleeding and in those whose upper endoscopies and colonoscopies are negative, capsule endoscopy will be used similarly to identify a bleeding lesion and thereby direct subsequent testing or treatment.

Endoscopes, Gastrointestinal↗