Studying How Outpatient Water affEcts Risks With Drains (SHOWER Study) (SHOWER)

  • End date
    Dec 15, 2023
  • participants needed
  • sponsor
    Sean Devitt
Updated on 4 October 2022


This is a prospective randomized, controlled, unblinded, interventional feasibility study to evaluate if showering with post operative drains in place leads to an increase in complications. The patients included in the study will be those undergoing breast reductions and panniculectomies at Geisinger Medical Center. The patients will be randomized post operatively into one of two groups: 1) patients instructed to shower with drains in place, and 2) patients instructed not to shower while they have drains in place.


This is a prospective randomized, controlled, unblinded interventional feasibility trial evaluating the post-operative outcomes of surgical patients undergoing breast reduction or panniculectomy procedures. Approximately 100 eligible subjects will undergo their surgical procedure according to standard clinical guidelines. Unless clinically contraindicated, study surgeons will maintain consistent use of 10 Flat drains for all study participants to prevent any sampling bias.

Immediately after surgery is completed, the study investigator will randomize the subject into one of the 2 study arms. The randomization scheme will control for procedure type.

The study will not be blinded. The randomization assignment will be communicated to the care team and documented in the subject's electronic medical record to ensure that appropriate post-operative instruction is provided to the subject. Subjects will be notified of their study arm assignment at the time they receive their post-operative discharge instruction.

Subjects in both arms will complete a questionnaire related to quality of life post-operatively, as well as daily bathing specifics.

The following statistical methods will be used for the aims:

Aim 1: Collect and describe information related to outcome measures in addition to study data including number eligible, response rates, adherence/compliance rates.

Descriptive statistics will be provided for all study enrollment data, compliance information as well as data collected throughout the study including outcome measures and responses from the satisfaction survey.

Aim 2: To compare the surgical site complication rate of post-operative patients with drains who shower versus those who do not shower.

Complication rates between the two study arms will be compared using chi-squared tests, although these comparisons will not be conclusive since the study isn't powered to assess equivalence.

Aim 3: To compare patient post-operative satisfaction for those who shower versus those who do not shower.

Patient post-operative satisfaction between the two study arms will be compared using chi-squared tests, although these comparisons will not be conclusive since the study isn't powered to assess differences.

Condition Postoperative Wound Infection, Postoperative Complications, Surgical Site Infection, Drain Site Complication
Treatment Showering, Restriction of Showering
Clinical Study IdentifierNCT04725916
SponsorSean Devitt
Last Modified on4 October 2022


Yes No Not Sure

Inclusion Criteria

Patients having one of the following procedures at Geisinger Medical Center in which drains are placed
Breast reduction
Lower panniculectomy
Fleur-de-lis panniculectomy
≥18 years of age
Able and willing to provide consent

Exclusion Criteria

Patients on antibiotics at the time of surgery
Patients sent home on antibiotics after surgery
Patients who work in healthcare with direct patient contact
Patients having a panniculectomy to be eligible for a kidney transplant
Patients having a ventral hernia repair at the time of the panniculectomy
Patients admitted to the hospital for >1 night
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