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Il Giornale Italiano di Radiologia Medica 2018 Gennaio-Febbraio;5(1):48-52

DOI: 10.23736/S2283-8376.18.00032-3

Copyright © 2018 EDIZIONI MINERVA MEDICA

language: Italian

Evaluation with MR study of gastric pouch dimensions after sleeve-gastrectomy

Silvia BORSELLINO 1 , Luca J. PAVAN 1, Riccardo FALETTI 1, Alessandro GENZONE 2, Paolo FONIO 1

1 Dipartimento di Scienze Chirurgiche, Istituto di Radiologia, Università di Torino, Torino, Italia; 2 Unità di Chirurgia Generale, Dipartimento di Scienze Chirurgiche, Università degli Studi di Torino, Torino, Italia


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BACKGROUND: To evaluate the correlation between the volume of gastric pouch, measured using MR study, in obese patients underwent sleeve-gastrectomy procedure (SG) and the belated weight gain.
METHODS: Six patients (1 M, 5 F; median age 48.5±9.9 years, range 37-60 years) were included in the study; they had previously undergone SG (30 months on average before the MR study) with a therapeutic success at the beginning (loss ≥20% of the initial weight) and the belated increase in weight (gain ≤10% of the initial weight) without echographic and laboratory signs of hepatic steatosis. The MR study was performed with a 3D Gradient Echo T1 Fat Sat sequence (THRIVE, Philips, Amsterdam, The Netherlands) after oral administration of Gd-BOPTA (0.8 mL) diluted with 300 mL of jelly water and analyzed with the technique of volume
rendering.
RESULTS: The medium weight of patients before SG was 117.6 kg with a weight loss in 10 months of 24.7±11.4% (on average 21±9 kg, range 9-35) and successively a weight gain after 24 months. The medium volume of the gastric pouch measured with the MR study was of 206±102 mL (range 70-328). All the patients achieved to do the MR exam without peri-procedural complications.
CONCLUSIONS: Our preliminary results show that there is an increase of the volume of the gastric pouch in patients undergone SG with a belated weight gain. The MR study can be considered as an alternative to X-ray exam for young patients who underwent bariatric surgery.


KEY WORDS: Magnetic resonance imaging - Bariatric surgery - Gastrectomy

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