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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02545946
Other study ID # IRB00033369
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date October 2015
Est. completion date July 7, 2016

Study information

Verified date February 2019
Source Wake Forest University Health Sciences
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Comparing the outcome of traditional incision and drainage with a larger skin incision with or without gauze packing of cutaneous abscess in pediatrics versus a new minimally invasive incision and drainage with two small incisions and a vessel loop transversing the incisions to keep them open.


Description:

This prospective randomized single blind clinical trial will be conducted in a suburban pediatric emergency department that treats approximately 29,000 patients per year. Patients between 0-17 years with a superficial skin or soft tissue abscess larger than 3 cm that would be appropriate for ED I&D and outpatient management will be screened for inclusion. Patients will be excluded if they are immunocompromised (taking chemotherapy, steroid or bioactive medications or having diabetes mellitus), require a subspecialist for drainage or require hospitalization. Subjects will be required to provide assent when age-appropriate, and parental consent will be obtained. The parent or guardian will need to be in the emergency department with the child to provide consent. Subjects will be randomized to be in either the traditional I&D arm or the minimally invasive vessel loop arm using numbered sealed envelops. Computer blocking will randomize these numbered envelopes. Inside the envelope there will be instructions to the treating physician as to which of two standard techniques should be employed.

- Standardized I&D will be performed with a #11 blade scalpel and a full thickness cut incising the lesion along at least 50% of the abscess diameter. The pocket will then be probed to break up septations and the residual cavity will be irrigated with normal saline. Iodinated gauze 0.25 inch will be used to loosely pack the remaining cavity if the physician deems packing is necessary. The gauze will be left trailing out of the surgical incision. The abscess will then be covered with 4 X 4 dry gauze and taped in place.

- Minimally invasive I&D with vessel loop will be preformed by making a 5mm incision with a #11 blade in the area of maximal fluctuance. The cavity will then be probed with forceps breaking up any septations. The forceps will then be used to find the furthest extent of the cavity, and the #11 blade will be used to make a 5mm incision at the tip of the forceps (at the farthest extent of the cavity). The forceps will then be pushed through this second incision. The vessel loop will be grasped by the forceps and then pulled back through both surgical incisions. The vessel loop will then be tied loosely together, creating a loop back through both surgical incisions. Both sides of the incisions will then be irrigated with normal saline.

Cultures will be obtained, if possible, from the abscess. Pain medication and sedation at the time of the I&D will be left to the discretion of the treating physician. Antibiotics will not be mandated, but allowed at the judgment of the treating medical team. All subjects will be given 2 prescriptions for analgesia at home. One for mild pain, ibuprofen; another for moderate or severe pain, acetaminophen with hydrocodone (either liquid or pills) will be given. Equipotent alternatives will be provided in case of medication allergy. Pain scores will be assessed using a ten point scale before and after the procedure and at 48 hour follow up. Data recorded at the first visit will include demographics (age, male/female), characteristics of the abscess, fever, duration of symptoms, history of prior abscess, antibiotics in the last month, and provision of antibiotics post-procedure.

All subjects will return to the ER in 72 hours and 1 week for a recheck. At the 3rd day visit, wound packing will be removed. Large cavities will be repacked at the discretion of the ED physician. Loops will be cut and removed at the 7th day visit unless significant cellulitis remains. If cellulitis remains after 7 days, additional visits/hospitalization would be set up at the treating doctors discretion. Given that failure of treatment is a possible event in any abscess drainage, even those not involved with this study, hospitalization or additional visits beyond the 2 included in the study, will be billed to the patient's family and/or insurance company as any visit to the ER or hospital admission.

Patients and families will also be contacted at one month via telephone interview. Self-rated cosmetic outcome will be assessed using a 10 point scale from worst to best looking scar.


Recruitment information / eligibility

Status Completed
Enrollment 3
Est. completion date July 7, 2016
Est. primary completion date June 24, 2016
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group N/A to 18 Years
Eligibility Inclusion Criteria:

- Pediatric patient (0-18 years old) with abscess over 3 cm which can be drained in the ER and does not require hospitalization

Exclusion Criteria:

- Diabetes

- immunocompromised

- cancer

- chemotherapy

- requires hospitalization for treatment of abscess

- abscess felt not drainable in the ER by ER physicians

Study Design


Related Conditions & MeSH terms


Intervention

Device:
vessel loop
using the vessel loop to hold the place of the surgical wound that is made during I&D
Other:
traditional I&D with or without packing
abscess will be drained with a traditional I&D with or without packing (as deemed appropriate by ER doctor)

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Wake Forest University Health Sciences

Outcome

Type Measure Description Time frame Safety issue
Primary number of patients who require repeat I&D collected by data form any patient that needs an additional I&D procedure noted on data collection forms 1 week
Primary Number of patients who Need to have an antibiotic added to treatment plan/or changed antibiotic after the initial visit collected by data form any patient requiring the above noted on data collection forms 1 week
Primary the number of patients who need to be hospitalized after the first visit collected by data form if patient is hospitalized after first visit, as collected on data form 1 week
Secondary patient satisfaction with procedure collected by survey 1-100 scale of satisfaction survey with the drainage performed 1 day
Secondary patient satisfaction with healing of abscess collected by survey 1-100 scale survey of how satisfied patient is with how the drainage site healed 1 month
Secondary patient satisfaction with overall treatment of the abscess collected by survey 1-100 scale survey for how satisfied patient is with overall care related to abscess 1 month
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