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4 posters to be presented at SAGES 2013 Baltimore, MD April 17-20, 2013

2nd April 2013

4 posters are to be presented at the Society of American Gastrointestinal and Endoscopic Surgeons 2013 Annual Meeting to be held in Baltimore, MD from Apr-17-20, two related to the use of EndoFLIP during gastric band surgery and two related to the use of EndoFLIP during per-oral endoscopic myotomy (POEM).

The first two posters (P414, P415) relate to the use of EndoFLIP to provide intra-operative adjustment of the Allergan LapBand. The first poster, Feasibility of Intraoperative Gastric Bands (GB) adjustment with EndoFLIP system, by A. Haddad, et al. of Saint Agnes Hospital, Baltimore concluded that intraoperative gastric band adjustment with the EndoFLIP system appears to be safe and associated with minimal risk of early band obstruction, and that follow-up data, %EWL suggest improved outcome. The second poster, Comparison of two Gastric Band (GB) adjustment strategies: Intraoperative calibration with Endoluminal Functional Lumen Imaging Probe (EndoFLIP) plus monthly follow-up vs. no intraoperative adjustment with monthly follow-up in 1st year, by the same authors compared the use of two different strategies of band adjustment, a) using EndoFLIP intraoperative band adjustment followed up by monthly adjustments versus b) monthly adjustments alone in a cohort of patients receiving Allergan APS or APL LapBands. In this 100 patient study the authors found at 6 months and 1 year there was an apparent trend towards higher %EWL in the study group (34.3% and 48.4%,respectively compared to control – 29.8% and 40.1% ; p value = 0.08 and 0.09 respectively). The average follow-up time in the study group was 7.3 months. These results compare favourably with those previously published last year by RG Snow et al.

The third poster (S065) Comparison of EGJ Distensibility Changes during POEM and Heller Myotomy using Intraoperative EndoFLIP by EN Teitelbaum et al. of Northwestern University, is the first study to compare the changes in distensibility of the gastroesophageal junction (GEJ) after POEM or Heller Myotomy procedures. The authors did not observe a statistically significant difference in distensibility between the two procedures, although the data would suggest that the effect of the wrap created after Heller Myotomy does produce a less distensible GEJ. The fourth (video) poster (V033) POEM with Incremental Myotomy and Intraoperative EndoFLIP shows the use of EndoFLIP to assess the effect of varying the length of the myotomy on GEJ distensibility during the POEM procedure. Of particular interest is the observation that the proximal 4cm of the myotomy is shown to have no effect on GEJ distensibility, whereas the distal 5cm of myotomy results on a 3-fold increase in distensibility.


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