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Necessary equipment to perform the study arms was removed by the medical center administration.
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Hypotheses
The purpose of the study is to conduct a RCT study to determine the effectiveness of loading the sigmoid colon with warm water and warm water irrigation for dealing with colonic spasms in enhancing patient abdominal comfort during unsedated colonoscopy. The specific aim is to compare Study Treatment of warm water loading and irrigation when spasms occur with Control Treatment of no water loading and waiting for spasms to subside. The proportion of patients complaining of abdominal discomfort and their discomfort score are the primary outcome variables. The secondary outcome variables and co-variables described below will be recorded in a prospective manner to ensure completeness of data collection. In preliminary clinical observation at VA Sepulveda ACC, 25 to 30% of VA patients accept colonoscopy without sedation. The goal of this study is to find ways of further reducing discomfort associated with unsedated colonoscopy.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Warm water loading of sigmoid colon | Experimental | Warm water loading of sigmoid colon and irrigation when spasms occur. |
|
| Control | Placebo Comparator | No water loading, only air and waiting for spasms to subside. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Warm water | Other | Warm water loading of sigmoid colon when spasms occur and waiting for them to subside. |
|
| Measure | Description | Time Frame |
|---|---|---|
| abdominal discomfort | Abdominal discomfort reported to a blinded observer 5-10 min after colonoscopy. | 30 days |
| Measure | Description | Time Frame |
|---|---|---|
| colonoscopy-related outcomes | various procedure related measures | 30 days |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Felix W. Leung, MD | VA Greater Los Angeles Healthcare System | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Greater Los Angeles Healthcare System and the Sepulveda Ambulatory Care Center | Los Angeles | California | 91343 | United States |
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| ID | Term |
|---|---|
| D011127 | Polyps |
| ID | Term |
|---|---|
| D020763 | Pathological Conditions, Anatomical |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| ID | Term |
|---|---|
| D000388 | Air |
| ID | Term |
|---|---|
| D001272 | Atmosphere |
| D004777 | Environment |
| D055669 | Ecological and Environmental Phenomena |
| D001686 | Biological Phenomena |
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| Control | Other | Air will be used instead of warm water for unsedated colonoscopy. |
|
|
| D008685 |
| Meteorological Concepts |
| D004778 | Environment and Public Health |