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| Name | Class |
|---|---|
| OSF Healthcare System | OTHER |
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The primary objective is to assess the need of clamping nasogastric tubes (NG) before removal. Outcomes of patients admitted requiring nasogastric tube decompression will be compared. Patients with small bowel obstruction (SBO), post-operative ileus, and ileus on admission that require nasogastric tube placement will be included in the study. The patients will be divided into two groups when return of bowel function is suspected based on set criteria for automatic removal of nasogastric tube versus nasogastric tube clamp trial.
Specific outcomes will be occurrence of nasogastric tube replacement, number of emeses if any, failure of clamp trial, aspiration pneumonia, and any other unplanned outcome.
A high volume of patients are admitted to hospitals yearly for bowel obstruction/ileus complications. Lifetime risk of small bowel obstruction varies from 0.1%-5% if patients have not undergone abdominal surgery, but increases to 30% if the patient underwent a prior abdominal surgery. Ileus is also a common complication in the short term post-operative period. Both of these conditions are initially treated with nasogastric tube decompression if the patient is having emesis.
The investigators were unable to find any literature that shows a concrete volume of nasogastric tube output that was deemed the maximum for safe removal. Signs of return of bowel function can indicate it is safe to remove the nasogastric tube. These include flatus, bowel movements, decrease in nasogastric tube output amount, change of nasogastric tube output color from bilious (green) to more gastric (yellow) or salivary (clear/foamy) quality. Some physicians prefer to perform a clamp trial before removal of the nasogastric tube. The duration of the trial and cutoff amount of residual drainage varies among physicians. Regardless of the duration, the nasogastric tube is essentially stenting open the lower esophageal sphincter while it is left in place and not connected to suction. This, theoretically, places the patient at risk for aspiration and subsequent pneumonia. Information in the literature appears divided in regard to aspiration risk.
This study hopefully will support the statement that it is safe to remove the nasogastric tube with signs of bowel function, without the need for clamp trials and thus avoiding any possible adverse outcomes associated with the trial. The investigators also anticipate that this study will provide objective guidelines on which patients will continue to improve after nasogastric tube removal.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Immediate NG tube removal | Active Comparator | Once the NG tube output is less than 500 mL over a 24 hour period with at least two other signs of return of bowel function the NG tube will be removed. Other signs of bowel function include flatus, bowel movement, change of NG tube output from bilious to more clear/frothy character, and hunger. |
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| NG tube clamp trial | Active Comparator | Once the NG tube output is less than 500 mL over a 24 hour period with at least two other signs of return of bowel function, a 4 hour clamp trial will be performed. Other signs of bowel function include flatus, bowel movement, change of NG tube output from bilious to more clear/frothy character, and hunger. The NG tube will be taken off of suction and clamped. The NG tube is then reconnected to suction at the end of the four hour clamp trial and removed if less 125 mL drains or kept in place if greater than 125 mL drains. The same initial criteria are used again to determine if a clamp trial will be performed after 24 hours. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| No clamp trial | Other | Once the NG tube output is less than 500 mL over a 24 hour period with at least two other signs of return of bowel function the NG tube will be removed. Other signs of bowel function include flatus, bowel movement, change of NG tube output from bilious to more clear/frothy character, and hunger. |
| Measure | Description | Time Frame |
|---|---|---|
| Necessity of replacement of NG tube | This measure looks at if the NG tube is replaced in either arm of the study after removal. | Through study completion, an average of 1 year |
| Measure | Description | Time Frame |
|---|---|---|
| Pulmonary complications | This outcome looks at any episodes of aspiration pneumonia, pneumonitis, or pneumothorax. | Through study completion, an average of 1 year |
| Days until discharge | This outcome will look at the number of days until discharge for all patients in each arm. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Robin Alley, MD | Contact | 8472756187 | ralley@peoriasurgical.com | |
| Harley Moit, MD | Contact | 5732336702 | harley_moit@yahoo.com |
| Name | Affiliation | Role |
|---|---|---|
| Robin Alley, MD | University of Illinois College of Medicine at Peoria | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| OSF Saint Francis Medical Center | Peoria | Illinois | 61603 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| Background | Bhimanagouda V. G., Eshwar B. K., Hanumaraddi L. G., Mohammedgouse A. K. Early removal versus conventional removal of nasogastric tube after abdominal surgery: a prospective randomized controlled study. International Surgery Journal 4(1):220-232, 2017. | ||
| 16228094 | Background | Mamun K, Lim J. Role of nasogastric tube in preventing aspiration pneumonia in patients with dysphagia. Singapore Med J. 2005 Nov;46(11):627-31. | |
| 9484734 |
| Label | URL |
|---|---|
| Epidemiology | View source |
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| ID | Term |
|---|---|
| D045823 | Ileus |
| ID | Term |
|---|---|
| D007415 | Intestinal Obstruction |
| D007410 | Intestinal Diseases |
| D005767 | Gastrointestinal Diseases |
| D004066 | Digestive System Diseases |
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| Clamp trial | Other | Once the NG tube output is less than 500 mL over a 24 hour period with at least two other signs of return of bowel function, a 4 hour clamp trial will be performed. Other signs of bowel function include flatus, bowel movement, change of NG tube output from bilious to more clear/frothy character, and hunger. The NG tube will be taken off of suction and clamped. The NG tube is then reconnected to suction at the end of the four hour clamp trial and removed if less 125 mL drains or kept in place if greater than 125 mL drains. The same initial criteria are used again to determine if a clamp trial will be performed after 24 hours. |
|
| Through study completion, an average of 1 year |
| Emesis episodes after NG tube removal | This outcome is measured as the number of patients who had an episode of emesis after NG tube removal prior to discharge. | Through study completion, an average of 1 year |
| Days until general diet reached | This outcome is measured by looking at how many days it takes from the time of ileus or SBO diagnosis to reach a general diet. | Through study completion, an average of 1 year |
| Background |
| Mitchell CK, Smoger SH, Pfeifer MP, Vogel RL, Pandit MK, Donnelly PJ, Garrison RN, Rothschild MA. Multivariate analysis of factors associated with postoperative pulmonary complications following general elective surgery. Arch Surg. 1998 Feb;133(2):194-8. doi: 10.1001/archsurg.133.2.194. |
| 1433774 | Background | Ibanez J, Penafiel A, Raurich JM, Marse P, Jorda R, Mata F. Gastroesophageal reflux in intubated patients receiving enteral nutrition: effect of supine and semirecumbent positions. JPEN J Parenter Enteral Nutr. 1992 Sep-Oct;16(5):419-22. doi: 10.1177/0148607192016005419. |
| 15563632 | Background | McAlister FA, Bertsch K, Man J, Bradley J, Jacka M. Incidence of and risk factors for pulmonary complications after nonthoracic surgery. Am J Respir Crit Care Med. 2005 Mar 1;171(5):514-7. doi: 10.1164/rccm.200408-1069OC. Epub 2004 Nov 24. |
| 10383370 | Background | Ferrer M, Bauer TT, Torres A, Hernandez C, Piera C. Effect of nasogastric tube size on gastroesophageal reflux and microaspiration in intubated patients. Ann Intern Med. 1999 Jun 15;130(12):991-4. doi: 10.7326/0003-4819-130-12-199906150-00007. |
| 20005501 | Background | Izu BS, Monson B, Little AG, Termuhlen PM. Surgical practice: evidence or anecdote. J Surg Educ. 2009 Sep-Oct;66(5):281-4. doi: 10.1016/j.jsurg.2009.07.010. |
| 27488952 | Background | Gero D, Gie O, Hubner M, Demartines N, Hahnloser D. Postoperative ileus: in search of an international consensus on definition, diagnosis, and treatment. Langenbecks Arch Surg. 2017 Feb;402(1):149-158. doi: 10.1007/s00423-016-1485-1. Epub 2016 Aug 3. |
| 23574854 | Background | Fonseca AL, Schuster KM, Maung AA, Kaplan LJ, Davis KA. Routine nasogastric decompression in small bowel obstruction: is it really necessary? Am Surg. 2013 Apr;79(4):422-8. |
| 22419328 | Background | Gomes CA Jr, Lustosa SA, Matos D, Andriolo RB, Waisberg DR, Waisberg J. Percutaneous endoscopic gastrostomy versus nasogastric tube feeding for adults with swallowing disturbances. Cochrane Database Syst Rev. 2012 Mar 14;(3):CD008096. doi: 10.1002/14651858.CD008096.pub3. |