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Radiology for laparoscopic adjustable gastric banding: a simplified follow-up examination method
Fabio Pomerri1, Francesco De Marchi, Giulio Barbiero
1Department of Medical Diagnostic Sciences and Special Therapies, Radiology, 2nd Institute of Clinical Surgery, Padua University Hospital, Via Giustiniani, Padua, Italy. radunpad@unipd.it
Background:
The aim of this study was to identify factors which allow a reliable, standardized and simplified approach for the radiologic follow-up of obese patients who have undergone surgery for laparoscopic adjustable gastric banding (LAGB) placement.
Methods:
A study was made of 370 consecutive single-contrast upper gastrointestinal series in 159 consecutive patients (122 women, 31 men; mean age 40.6 years; mean body weight 135.8 kg) who had undergone LAGB for morbid obesity and were symptomatic or had inadequate weight loss. The control group consisted of 38 subjects who had undergone LAGB, had satisfactory weight loss and were asymptomatic at follow-up.
Results:
Each gastric portion above the band was satisfactorily evaluated by measuring its vertical diameter. The optimal projection for measurement of stoma size was predicted before administration of the contrast agent and was achieved when the band was visualized in profile. The clinical pictures were not always related to stoma size. Surgical complications were gastric herniation (8 patients, twice in 1 patient, 5.7%), malpositioned band (1 patient, 1.6%), port twisting (13 patients, 8.2%), and disconnection or leakage of the device (8 patients, 5.0%).
Conclusion:
Essential criteria for the radiologic evaluation of LAGB are: position of port and tubing; stoma size; and volume of each upper gastric portion.
