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Surgical Site Preparation in Subjects Undergoing Medical Thoracoscopy (CAPTAIN)

P

Post Graduate Institute of Medical Education and Research, Chandigarh

Status

Active, not recruiting

Conditions

Medical Thoracoscopy

Treatments

Procedure: Povidone-iodine
Procedure: Chlorhexidine scrub

Study type

Interventional

Funder types

Other

Identifiers

NCT05430308
INT/IEC/2018/000151

Details and patient eligibility

About

Medical thoracoscopy is the preferred procedure for performing pleural biopsy in patients with pleural effusions that remain undiagnosed after pleural fluid analysis. Surgical site infections (SSI) and empyema are among the important complications of the procedure.

At author's center, povidone-iodine is used for surgical site preparation during MT. The investigators hypothesized that chlorhexidine-alcohol would be superior to povidone-iodine in reducing the rate of infectious complications following thoracoscopy. In this study, the authors propose to investigate the efficacy of chlorhexidine-alcohol scrub in preventing post procedural infectious complications in subjects undergoing medical thoracoscopy

Full description

Medical thoracoscopy is the preferred procedure for performing pleural biopsy in patients with pleural effusions that remain undiagnosed after pleural fluid analysis. Unlike video-assisted thoracoscopic surgery that is performed under general anesthesia and single lung ventilation, medical thoracoscopy is performed under conscious sedation and local anesthesia. Medical thoracoscopy is generally a safe procedure, albeit with a small risk of complications. Surgical site infections (SSI) and empyema are among the important complications of the procedure. Author's center is a tertiary care referral hospital; the majority of the patients are referred to the authors' center late in the course of their illness. In fact, most patients have had several thoracenteses, and many patients have pleural adhesions. The authors have observed a significant incidence of post procedural infections (7.8-10%) in previous studies. In a recent RCT, investigators have demonstrated that the prophylactic use of antibiotics did not reduce the incidence of SSI. Since the patient's skin is a major source of pathogens, it is conceivable that improving skin antisepsis would decrease surgical-site infections. The aim of preoperative skin preparation is to reduce the risk of SSIs by removing soil and transient organisms from skin. Antiseptics have the ability to bind to the skin's stratum corneum that results in persistent chemical activity on the skin. A SSI occurs when the number of bacteria at the incision site overcome the hosts immune defense mechanism. The Centers for Disease Control and Prevention (CDC) recommends that 2% chlorhexidine-based preparations be used to cleanse the site of insertion of vascular catheters. However, the CDC has not issued a recommendation as to which antiseptics should be used preoperatively to prevent postoperative SSIs.

In a previous RCT comparing preoperative cleansing of the patient's skin, chlorhexidine-alcohol was found to be superior to cleansing with povidone-iodine for preventing surgical-site infection after clean contaminated surgery. However, in a pooled analysis of 13 RCTs comparing surgical site preparation for clean surgeries, no clear benefit could be demonstrated of either agent for preventing SSIs. Also, no published randomized studies have examined the effect of one antiseptic preparation over another on the incidence of surgical-site infection during medical thoracoscopy. A recent guideline on medical thoracoscopy has no mention about the preferred agent for skin preparation during MT. At the author's center, povidone-iodine is used for surgical site preparation during MT. The authors hypothesized that chlorhexidine-alcohol would be superior to povidone-iodine in reducing the rate of infectious complications following thoracoscopy. In this study, the investigators propose to investigate the efficacy of chlorhexidine-alcohol scrub in preventing post procedural infectious complications in subjects undergoing medical thoracoscopy.

Enrollment

100 estimated patients

Sex

All

Ages

18 to 80 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Age ≥12 <80 years
  2. Medical thoracoscopy being performed for the workup of undiagnosed pleural effusion

Exclusion criteria

  1. Patients with intercostal tube before MT
  2. MT performed for adhesiolysis
  3. Age <12 or ≥80 years
  4. SPO2 <92% at room air
  5. Hemodynamic instability
  6. Myocardial infarction or unstable angina in the last 3 months
  7. Hemoglobin <8g/dl; Platelet count <50,000 cell/dl
  8. Lack of pleural space due to adhesions
  9. Uncorrected coagulopathy (PT > 3 seconds above control; APTT> 10 seconds above control)
  10. Failure to provide informed consent
  11. Patients already taking any antibiotic due to any reason

Trial design

Primary purpose

Prevention

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

100 participants in 2 patient groups

Chlorhexidine-alcohol scrub
Experimental group
Description:
The surgical site selected for performing the thoracoscopy will be cleaned with 4%w/v chlorhexidine gluconate solution for 3 minutes. This will then be washed with normal saline and a sterile gauge. After drying chlorhexidine gluconate (2.5%v/v)-ethanol IP (70%v/v) will be applied and allowed to dry for 3 minutes before the incision.
Treatment:
Procedure: Chlorhexidine scrub
Povidone-iodine
Active Comparator group
Description:
The surgical site selected for performing the thoracoscopy will be just cleaned with normal saline followed by 10% w/v povidone-iodine solution and would be allowed to dry for 3 minutes before the incision
Treatment:
Procedure: Povidone-iodine

Trial contacts and locations

2

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Data sourced from clinicaltrials.gov

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