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The purpose of this study is to determine the effect of intra-abdominal irrigation with povidone-iodine (PVI) versus usual care on the rate of 30-day postoperative intra-abdominal abscesses (IAA) and to determine the effect of PVI irrigation versus usual care on 30-day hospital length of stay(LOS) and 30-day readmissions.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Irrigation with PVI | Experimental |
| |
| Usual care | Active Comparator |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Irrigation with PVI | Drug | The intervention will be irrigation with PVI, diluted to a concentration of 1% (containing 0.1% active iodine). After removal of the appendix from the patient's abdomen and attainment of hemostasis,10 mL/kg of 1% PVI solution will be used to irrigate the pelvis and right upper and lower quadrants. The solution will be left to dwell for 1 minute and then suctioned. |
| Measure | Description | Time Frame |
|---|---|---|
| number of patients with post operative intra-abdominal abscesses | An IAA will be defined as: an image-confirmed (ultrasound, CT, or MRI) fluid collection deemed to be an IAA by an attending radiologist or pediatric surgeon, or an abscess confirmed during percutaneous intervention (aspiration of purulent fluid) or reoperation (direct visualization of purulent fluid). | 30 days post surgery |
| Measure | Description | Time Frame |
|---|---|---|
| Length of hospital stay(LOS) | Total 30-day LOS will be defined as the aggregate of all days during which the patient is admitted to the hospital,including any related readmissions, within 30 postoperative days. | 30 days post surgery |
| Number of patients that are readmitted |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Kuojen Tsao, MD | Contact | (713) 500-7327 | KuoJen.Tsao@uth.tmc.edu | |
| Elisa Garcia | Contact | (713) 500-7434 | Elisa.I.Garcia@uth.tmc.edu |
| Name | Affiliation | Role |
|---|---|---|
| Kuojen Tsao, MD | The University of Texas Health Science Center, Houston | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| The University of Texas Health Science Center at Houston | Houston | Texas | 77030 | United States |
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Stepped-wedge cluster randomized trial (SW-CRT). After a period of baseline data collection, clusters will be randomized to cross over from control to intervention in a stepwise fashion until all clusters have been exposed.
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| Usual care | Procedure | The control will be usual care, which is expected to vary between institutions. The only stipulation for usual care will be that surgeons do not change their usual practice during the baseline period. Some surgeons utilize intra-abdominal irrigation while others use only local irrigation. Intraabdominal irrigation is defined as intraoperative instillation of a large volume (> 200 mL) of irrigation solution into all 4 quadrants of the abdomen. Local irrigation is defined as instillation of a small volume of liquid, typically <50 mL, in the operative field. Intra-abdominal irrigation is utilized with the intention of preventing IAAs while local irrigation is often used to confirm hemostasis or assist with suctioning thick purulent fluid. |
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Readmissions will be considered to be related to the index encounter if they are due to abdominal pain, gastrointestinal symptoms, wound related concerns (such as superficial or deep surgical site infection or wound dehiscence), or infection of any kind (such as urinary tract infection, respiratory infection, or symptoms of infection, including fever). |
| 30 days post surgery |
| ID | Term |
|---|---|
| D001064 | Appendicitis |
| ID | Term |
|---|---|
| D059413 | Intraabdominal Infections |
| D007239 | Infections |
| D005759 | Gastroenteritis |
| D005767 | Gastrointestinal Diseases |
| D004066 | Digestive System Diseases |
| D002429 | Cecal Diseases |
| D007410 | Intestinal Diseases |
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| ID | Term |
|---|---|
| D007507 | Therapeutic Irrigation |
| ID | Term |
|---|---|
| D006875 | Hydrotherapy |
| D026741 | Physical Therapy Modalities |
| D013812 | Therapeutics |
| D012046 | Rehabilitation |
| D008919 | Investigative Techniques |
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