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| The International Study Group of Pancreatic Surgery definition of delayed gastric emptying and the effects of various surgical modifications on the occurrence of delayed gastric emptying after pancreatoduodenectomy |
| Rajesh Panwar and Sujoy Pal |
New Delhi, India
Author Affiliations: Department of Gastrointestinal Surgery & Liver Transplantation, All India Institute of Medical Sciences, New Delhi, India (Panwar R and Pal S)
Corresponding Author: Dr. Rajesh Panwar, Department of Gastrointestinal Surgery & Liver Transplantation, Academic Block, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India (Tel: +911126593461; Fax: +911126588663; Email: rajeshpanwar81@gmail.com) |
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Abstract BACKGROUND: A number of definitions have been used for delayed gastric emptying (DGE) after pancreatoduodenectomy and the reported rates varied widely. The International Study Group of Pancreatic Surgery (ISGPS) definition is the current standard but it is not used universally. In this comprehensive review, we aimed to determine the acceptance rate of ISGPS definition of DGE, the incidence of DGE after pancreatoduodenectomy and the effect of various technical modifications on its incidence.
DATA SOURCE: We searched PubMed for studies regarding DGE after pancreatoduodenectomy that were published from 1 January 1980 to 1 July 2015 and extracted data on DGE definition, DGE rates and comparison of DGE rates among different technical modifications from all of the relevant articles.
RESULTS: Out of 435 search results, 178 were selected for data extraction. The ISGPS definition was used in 80% of the studies published since 2010 and the average rates of DGE and clinically relevant DGE were 27.7% (range: 0-100%; median: 18.7%) and 14.3% (range: 1.8%-58.2%; median: 13.6%), respectively. Pylorus preservation or retrocolic reconstruction were not associated with increased DGE rates. Although pyloric dilatation, Braun’s entero-enterostomy and Billroth II reconstruction were associated with significantly lower DGE rates, pyloric ring resection appears to be most promising with favorable results in 7 out of 10 studies.
CONCLUSIONS: ISGPS definition of DGE has been used in majority of studies published after 2010. Clinically relevant DGE rates remain high at 14.3% despite a number of proposed surgical modifications. Pyloric ring resection seems to offer the most promising solution to reduce the occurrence of DGE.
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2017, Vol. 16 
