- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01191138
Gastric Emptying After Infracolic or Supracolic Gastrojejunostomy Following Pancreaticoduodenectomy
Randomized Control Trial Comparing Gastric Emptying Following Infracolic vs Supracolic Gastrojejunostomy After Whipples Pancreaticoduodenectomy
Patients undergoing whipples pancreaticoduodenectomy tend to develop delayed gastric emptying.
The study compares two types of anastamosis of stomach to jejunum (supracolic and infracolic) and compares whether it influences the gastric emptying.
The clinical evidence of delayed gastric emptying is correlated with objective evidence of liquid and solid emptying by radionuclide study.
The study also tries to evaluate whether pancreatic leak correlates with delayed gastric emptying
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
METHODOLOGY:
This randomized control trial includes all patients undergoing whipples pancreaticoduodenectomy st Asian Institute of Gastroenterology. All patients were randomized by a closed envelope technique. The envelope was opened after complete resection of the specimen and then allocating the patients into either of the two groups, Group A- Infracolic Gastrojejunostomy, Group B- Supracolic Gastrojejunostomy.
Inclusion Criteria:
- All patients undergoing whipples pancreaticoduodenectomy, who consented for the trial and found to be resectable at surgery.
Exclusion Criteria:
- Unresectable tumors at surgery
- Patients in whom gastric emptying studies could not be done due to any reason
- Documented Mechanical obstruction at Gastrojejunal anastamosis
- Post operative mortality due to other causes
After the resection, a Roux loop of jejunum is prepared and taken up through a rent in the transverse mesocolon to which an end to side Hepaticojejunostomy followed by Pancreaticojejunostomy is done in both the groups.
In Group A Infracolic gastrojejunostomy is done in the infracolic compartment to the same loop of jejunum after pulling the stomach down through another rent in the transverse mesocolon to the left of middle colic artery, thereby compartmentalizing or separating gastrojejunostomy from Hepaticojejunostomy and pancreaticojejunostomy.
In Group B Supracolic gastrojejunostomy is done in the supracolic compartment to the same Roux loop of jejunum.
All the patients undergo a feeding jejunostomy. Postoperatively all the patients were managed according to a standard protocol, daily monitoring of Ryle's tube output and drain fluid output was recorded. Drain fluid amylase levels and serum amylase levels were estimated on postoperative day 3, 5 and 7. Ryle's tube was removed if the output was <200ml in 24hrs after confirming that the tube was patent.
Oral feeds were started after removal of Ryle's tube, initially with liquids followed by semisolids and then normal diet. Patient's daily intake is recorded. Any adverse event of vomiting, abdominal distension and succussion splash was recorded by the person blinded about the technique of anastamosis. If there was clinical suspicion of gastric outlet obstruction, Ryle's tube was placed and output recorded. If mechanical cause for gastric outlet obstruction was suspected, then contrast study and/or gastroscopy was done to confirm.
Graded enteral nutrition was started in all the patients from post operative day 3 through the feeding jejunostomy tube.
Any medications effecting GI motility were avoided till the gastric emptying studies were performed
Clinically delayed gastric emptying was defined according to International study group of pancreatic Surgeons (ISGPS), as Grade A, B and C. Pancreatic fistula was defined based on International Study Group on Pancreatic Fistula (ISGPF) as Grade A, B and C.
Radio isotope gastric emptying studies were done for both liquids and solids on postoperative day 7 & 8 respectively. Test was performed and interpreted by the investigator who is blinded about the type of anastamosis.
At the end the groups will be analyzed whether they were comparable with regard to the age, sex and diagnosis. The gastric emptying (Clinical, liquid meal and solid meal emptying) will be compared between both procedure groups. Correlation of clinical evidence of gastric emptying with liquid and solid emptying is calculated. Correlation of pancreatic anastomotic leak with gastric emptying is also done.
PROTOCOL OF GASTRIC EMRTYING STUDY:
Liquid study on one day & solid study on the next day
Tracer to be use:
- Tc99m-DTPA in water 400ml for 70 Kg adult; volume to be adjusted based on patient weight, is used for liquid emptying study.
- Tc99m-Pertechnetate labeled with Idly during cooking, 300gm for 70 Kg adult; volume to be adjusted based on patient weight, is used for solid emptying study.
IMAGING TECHNIQUE:
Sequential static images are to be obtained with patient in erect position from anterior & posterior projections of the abdomen Liquids - 1min image for every 15min for 90mins (to be extended to 120 mins if necessary).
Solids - 1min image for every 30min for 4hrs (to be extended if necessary).
IMAGE PROCESSING:
Region of interest to be generated over stomach region, after verifying with the surgeon initially for standardization Now Geometric mean of counts calculated from the stomach and used to generate the time activity curve, percentage emptying at different time intervals and T1/2 to be calculated.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Andhra Pradesh
-
Hyderabad, Andhra Pradesh, India, 500082
- Asian Institute Of Gastroenterology India
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients undergoing Whipples procedure
Exclusion Criteria:
- Unresectable tumors at surgery
- Postoperative mechanical obstruction
- Postoperative mortality, where the test could not be done
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Infracolic Anastamosis
The gastrojejunal anastamosis is done in the infracolic compartment
|
Following resection in whipples pancreaticoduodenectomy, the gastrojejunal anastamosis is done in the infracolic compartment by bringing down the stomach below the mesocolon to the left of the middle colic artery
Other Names:
|
Other: Supracolic Anastamosis
The gastrojejunal anastamosis is done in the supracolic compartment
|
Following resection in whipples pancreaticoduodenectomy, the gastrojejunal anastamosis is done in the supracolic compartment.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Gastric Emptying assessed clinically and correlated objectively with liquid and solid emptying of radionucleotide
Time Frame: 30 days after surgery
|
Gastric emptying in the postoperative period in the form of tolerence of food and removal of ryles tube is assessed.
This is correlated with liquid and solid emptying of radionucleotide
|
30 days after surgery
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Correlation of pancreatic duct leak with gastric emptying
Time Frame: 30 days after surgery
|
The pancreatic duct leak is correlated with gastric emptying
|
30 days after surgery
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Pradeep Rebala, MS., M Ch, Asian Institute Of Gastroenterology
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- AIG-GIS-20090
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