Abstract
Objective
The physiology of gastrointestinal transfer function after proximal gastrectomy with bypass-tract reconstruction is not well understood. We applied a simultaneous dual-radionuclide method with a hepatobiliary imaging and gastric emptying study to evaluate physiologic alterations occurring after surgery.
Methods
Nineteen patients with early gastric cancer, including 9 pre-operative control patients and 10 who had proximal gastrectomy and double-tract reconstruction surgery were examined by dual-radionuclide hepatobiliary and gastric emptying studies (99mTc PMT and111In DTPA). Retention fraction in the stomach at 3 minutes (R3) and 60 minutes (R60) and gastric emptying half-time (GET) were calculated. Bile reflux and mixture of bile and food were also evaluated.
Results
The retention fractions of R3 and R60 were significantly lower in the double-tract reconstruction group than those in the preoperative group. GET differed significantly between the double-tract and preoperative groups (20.7 min ±7.1 min and 36.2 min ± 11.0 min, p = 0.0018). The mixture of bile and food was not good in the double-tract reconstruction group (p = 0.014 vs. preoperative). Patients with a large residual stomach showed slower initial emptying (p = 0.0068) and a better mixture of bile and food (p = 0.058) compared to those with a small residual stomach. The bile reflux was not significantly increased after surgery.
Conclusion
The dual-radionuclide gastrointestinal and hepatobiliary imaging was feasible and could demonstrate characteristic transit patterns of the foods and bile in the double-tract reconstruction procedure. A larger residual stomach, if possible, is desirable to provide better transfer and mixing of bile and foods.
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Nakajima, K., Kawano, M., Kinami, S. et al. Dual-radionuclide simultaneous gastric emptying and bile transit study after gastric surgery with double-tract reconstruction. Ann Nucl Med 19, 185–191 (2005). https://doi.org/10.1007/BF02984603
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DOI: https://doi.org/10.1007/BF02984603