“…Measurement of emptying rate of distal stomach was performed in all patients following surgery to exclude study bias. Postoperative prolongation of gastric emptying rate in our study is similar to results published by others using a standard solid meal [5]. This information is highly relevant in understanding of gastric physiology following bariatric surgery and needs an additional processing beside to esophageal emptying.…”
Section: Discussionsupporting
confidence: 91%
“…Radionuclide gastroesophageal motor studies provide important information about gastroesophageal transit and gastric contractility . This noninvasive, physiologic, and easily performed test is the gold standard for gastric motility evaluation in several pathological conditions [3] and post-surgical assessment [4,5].…”
A standard normal gastric pouch emptying rate of semisolids in asymptomatic patients after LAGB was established. Postoperative prolongation of gastric emptying is a matter of mechanical delay without gastric pouch denervation. This study provides a first step of future functional evaluation of complications following this type of bariatric surgery.
“…Measurement of emptying rate of distal stomach was performed in all patients following surgery to exclude study bias. Postoperative prolongation of gastric emptying rate in our study is similar to results published by others using a standard solid meal [5]. This information is highly relevant in understanding of gastric physiology following bariatric surgery and needs an additional processing beside to esophageal emptying.…”
Section: Discussionsupporting
confidence: 91%
“…Radionuclide gastroesophageal motor studies provide important information about gastroesophageal transit and gastric contractility . This noninvasive, physiologic, and easily performed test is the gold standard for gastric motility evaluation in several pathological conditions [3] and post-surgical assessment [4,5].…”
A standard normal gastric pouch emptying rate of semisolids in asymptomatic patients after LAGB was established. Postoperative prolongation of gastric emptying is a matter of mechanical delay without gastric pouch denervation. This study provides a first step of future functional evaluation of complications following this type of bariatric surgery.
“…We found no differences in any of the mentioned parameters before compared to after LAGB, indicating that the procedure, unexpectedly, has no impact on gastric emptying for liquids. The acetaminophen absorption test is not recommended to evaluate gastric emptying for solid meals, which in other studies has been measured using scintigraphic methods [9,32,33]. However, with the liquid state of the oral glucose load used in standard diagnostic OGTTs in mind, we found the acetaminophen absorption test appropriate to measure gastric emptying in the present study.…”
OGTT can be used to evaluate glucose tolerance in obese patients before and after LAGB without bias from changes in gastric emptying. LAGB has no direct impact on incretin hormone secretion.
“…pathological fluid collections at the operative site, but usually it is impossible to distinguish between postoperative fluid collections and collection due to anastomotic leakage. Several papers describe scintigraphy as a good method to evaluate the gastric emptying time after restrictive surgical procedures [ 19 ] and to regulate the gastric bands after AGB [ 20 ]. There are no reports on the use of MRI in the evaluation of patients after bariatric surgery.…”
Section: Radiographic Imaging Studies Following Bariatric Surgerymentioning
SummaryOver the past few years, obesity has become a major clinical and population concern in the majority of developed countries. Obesity leads to significant systemic disorders, such as hypertension, hypercholesterolemia, hypertriglyceridemia and insulin resistance, and also increases the risk of developing cardiovascular diseases (ischemic heart disease, ischemic stroke), metabolic diseases (type 2 diabetes), certain types of cancer, and degenerative bone disorders (osteoarthritis). Health hazards associated with epidemic of obesity and potential benefits of weight loss have spurred interest in new treatment methods. Bariatric surgical procedures constitute a recognized alternative in cases where conservative management of obesity fails. Several bariatric operations can be distinguished: restrictive procedures, such as adjustable gastric band (AGB) and vertical banded gastroplasty (VBG); predominantly malabsorptive procedures, such as biliopancreatic diversion (BPD), and a combination of both methods, such as Roux-en-Y gastric bypass. The adverse consequences of surgical treatment of obesity include i.a.: intestinal anastomotic leakage, impaired intestinal permeability and internal hernia, dilatation of the stomach, gastrointestinal anastomotic stenosis, marginal ulceration, incisional hernia. Basic knowledge of procedures in the surgical treatment of obesity is of vital importance for the radiologist during evaluation of upper gastrointestinal tract in the early and late postoperative period, allowing correct interpretation of acquired images as well as recognition of typical complications.
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