Comparison of Ultrasound-Guided Needle Aspiration and Open Incision and Drainage for Cutaneous Abscesses

August 4, 2011 updated by: Ottawa Hospital Research Institute

Comparison of Ultrasound-Guided Needle Aspiration and Open Incision and Drainage in the Management of Cutaneous Abscesses

The investigators propose to conduct a, two armed, randomized, controlled pilot study to assess the clinical effects of a) open incision, drainage with daily packing changes, compared to b) Ultrasound guided needle aspiration, in drainage of uncomplicated cutaneous abscesses below the skin surface of adult emergency department patients using concealed allocation in evaluating patient satisfaction.

Study Overview

Status

Terminated

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Anticipated)

20

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Canada
    • Ontario
      • Ottawa, Ontario, Canada, K1Y4E9
        • The Ottawa Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (ADULT, OLDER_ADULT)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

Patients presenting to the Civic Campus emergency department of The Ottawa Hospital with an abscess less than 5 cm diameter, as judged by the attending emergency physician (measurement with tape measure for diameter) between the hours of 7 am and 10 pm will be approached for possible enrollment. Ultrasound will be used to assess the appropriate exclusion criteria.

Exclusion Criteria:

  • Patients under the age of 18 years,
  • Patients with a Glasgow coma scale score of <15 (i.e. not completely alert and oriented),
  • Patients suspected of having necrotising fascitis,
  • Patients with hemodynamic instability (defined as SBP <90, and/or HR >110),
  • Patients admitted to hospital,
  • Patients who are neither French nor English speaking,
  • Patients who are not available for telephone follow-up (i.e. homeless).
  • Ultrasound image demonstrates that the abscess is not compressible (generally indicates that the contents of the cyst includes solids, which would not be amenable to aspiration)
  • Ultrasound demonstrates that there is no abscess to manage,
  • Patients with perianal abscesses who have either Crohn's disease or ulcerative colitis or known perirectal fistula,
  • Patients with recurrent abscesses in the same location or abscesses present for more than 2 weeks
  • Patients with complex abscesses including deep tissue, sensitive body part involvement which includes: ears, eyes, lacrimal, orbital, submandibular, mouth, peritonsillar, and Bartholin's gland.
  • Patients with renal impairment, diabetes, immunocompromised (as these patients are at risk of becoming more ill if an abscess were able to grow).

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: TREATMENT
  • Allocation: RANDOMIZED
  • Interventional Model: PARALLEL
  • Masking: SINGLE

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
EXPERIMENTAL: Ultrasound-guided needle aspiration
One arm is ultrasound-guided needle aspiration, the other active comparison is traditional open incision and drainage of skin abscess
Procedure: ultrasound-guided needle aspiration
one time drainage at time of randomization
ACTIVE_COMPARATOR: open incision and drainage
Procedure: ultrasound-guided needle aspiration
one time drainage at time of randomization

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Patient satisfaction
Time Frame: 7 days
7 days

Secondary Outcome Measures

Outcome Measure
Time Frame
Failure rate
Time Frame: 7 days
7 days

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Ottawa Hospital Research Institute

Investigators

  • Principal Investigator: Michael Woo, MD, Ottawa Hospital Research Institute

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

June 1, 2009

Primary Completion (ACTUAL)

March 1, 2011

Study Completion (ACTUAL)

March 1, 2011

Study Registration Dates

First Submitted

August 19, 2010

First Submitted That Met QC Criteria

August 20, 2010

First Posted (ESTIMATE)

August 23, 2010

Study Record Updates

Last Update Posted (ESTIMATE)

August 8, 2011

Last Update Submitted That Met QC Criteria

August 4, 2011

Last Verified

August 1, 2011

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 2008198-01H

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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