Evaluation of a New Three-Dimensional Magnetic Imaging System for Use During Colonoscopy

Wehrmann, K; Frühmorgen, P.

doi:10.1055/s-2002-35302

Cited by 25 publications

(20 citation statements)

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“…Colonoscopy as a widely used endoscopic technique still has some limitations, which clinicians and developers seek to overcome. MEI has replaced X‐ray imaging during colonoscopic examinations in many situations and therefore has proven benefit in reducing irradiation doses on patients and staff 16,17 . To our knowledge, this is the first study to address the benefits of MEI use regarding duration of the procedure and patient distress in a cohort of 1000 patients undergoing total colonoscopy.…”

Section: Discussionmentioning

confidence: 99%

Magnetic endoscopic imaging saves abdominal compression and patient pain in routine colonoscopies

Dechêne

Jochum

Bechmann

et al. 2011

J of Digest Diseases

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OBJECTIVE:Magnetic endoscope imaging (MEI) is a technique for the direct visualisation of endoscope configuration within the colon. This method may prevent loop formation by giving visual feedback of endoscope movement. This study aimed to evaluate the efficacy of MEI in improving colonoscopy performance. METHODS:Overall 1000 consecutive patients who underwent a complete routine colonoscopy were randomized into two groups: in group A with MEI, while in group B without MEI. Sedation was performed according to local standards. In both groups time to reach the cecum, the number of positioning maneuvers and involvement of a second assistant nurse were recorded. Abdominal compression was graded from 1 to 4 according to the duration and intensity of compression was quantified using a scale from 1-3 according to compression form and patient reaction. RESULTS:Patients were randomized (group A with MEI, n = 490; group B without MEI, n = 510) and a total colonoscopy was performed. Time to cecal intubation did not differ between the groups (507 s vs 538 s; NS). The duration of abdominal compression was significantly shorter in MEI guided colonoscopy. The intensity of abdominal compression was lower in group A and fewer turn maneuvers needed per patient. A trend towards a reduced need for assistance in MEI group was seen. CONCLUSION:Although MEI does not generally accelerate colonoscope advancement, it significantly reduces the force and the duration of abdominal compression by assistant personnel, thus minimizing patient discomfort and decreasing the need for additional staff.

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Section: Discussionmentioning

confidence: 99%

Magnetic endoscopic imaging saves abdominal compression and patient pain in routine colonoscopies

Dechêne

Jochum

Bechmann

et al. 2011

J of Digest Diseases

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“…It has become feasible with use of magnetic endoscopic imaging (MEI, Scope Guide, Olympus Optical Co., Ltd.). This system provides continuous three-dimensional (3D) view of the scope shaft configuration and its location within the abdomen during colonoscopic examination [1]. The MEI system is composed of three basic elements: a graphics processor, the endoscope and a signal receiver (Figs.…”

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confidence: 99%

Accuracy of preoperative tumor localization in large bowel using 3D magnetic endoscopic imaging: randomized clinical trial

et al. 2016

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BackgroundLaparoscopic surgery has become the standard treatment for colorectal cancer. A tumor that does not involve serosa is invisible intraoperatively, and manual palpation of the tumor during laparoscopy is not possible. Therefore, accurate localization of the neoplastic infiltrate remains one of the most important tasks prior to elective laparoscopic surgery. The aim of this study was to evaluate the utility of a magnetic endoscopic imaging (MEI) for precise preoperative endoscopic localization of neoplastic infiltrate within the large bowel.Materials and methodsThe study enrolled 246 patients who underwent elective surgery for colorectal cancer in 2012–2015 with accurate preoperative colonoscopic localization of the tumor. The analysis concerned patients with neoplastic infiltrate localized more than 30 cm from the anal verge. For evaluative purposes and accuracy of localization, the intestine was divided anatomically into 13 parts. Colonoscopic examinations were conducted with two types of endoscopes: group I—with MEI and group II—without MEI. Patients were assigned to the groups by random allocation. Ultimate confirmation of the tumor localization was accomplished by intraoperative evaluation.ResultsGroup I involved 127 patients and group II 129. The two groups were compared in terms of age, sex, BMI and frequency of previous abdominal procedures. Proper localization of the lesion was confirmed in 95.23 % of group I patients and in 83.19 % of group II patients (p < 0.05). The greatest discrepancy in localization occurred in 8.9 % of patients from group I and 20 % of patients from group II in which the lesion was assessed primarily in the distal sigmoid.ConclusionsA magnetic endoscopic imaging allows more accurate localization of neoplastic infiltrate within the large intestine compared to standard colonoscopy alone, especially within the sigmoid colon. This method can be particularly useful in planning and performing laparoscopic procedures to diminish the likelihood of improper bowel segment resection.ClinicalTrials.gov numberNCT01688557Electronic supplementary materialThe online version of this article (doi:10.1007/s00464-016-5203-4) contains supplementary material, which is available to authorized users.

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“…In addition, magnetic endoscope imaging enables the procedure to be performed with fewer loops, resulting in less patient discomfort and less sedation [50]. These techniques have the potential to change the face of gastrointestinal investigations and treatment.…”

Section: Alternatives To Endoscopymentioning

confidence: 99%

Anaesthesia and sedation for gastrointestinal endoscopy

Leslie

Stonell²

2005

Current Opinion in Anaesthesiology

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Evaluation of a New Three-Dimensional Magnetic Imaging System for Use During Colonoscopy

Cited by 25 publications

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Magnetic endoscopic imaging saves abdominal compression and patient pain in routine colonoscopies

Magnetic endoscopic imaging saves abdominal compression and patient pain in routine colonoscopies

Accuracy of preoperative tumor localization in large bowel using 3D magnetic endoscopic imaging: randomized clinical trial

Anaesthesia and sedation for gastrointestinal endoscopy

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