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Chlorhexidine Drying Time

Information source: University of British Columbia
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Drying Time

Intervention: Chlorhexidine gluconate (Drug)

Phase: N/A

Status: Completed

Sponsored by: University of British Columbia

Official(s) and/or principal investigator(s):
Vit Gunka, MD FRCPC, Principal Investigator, Affiliation: University of British Columbia


Before a patient gets a spinal/epidural, their lower back is cleaned with an antiseptic solution diluted in alcohol called ChloraPrep. ChloraPrep must completely dry before starting the anesthetic procedure. It is not known how much time is needed for the solution to completely dry. The investigators aim to determine this. As the ChloraPrep dries, the alcohol is converted into vapour. The investigators will be using a PPBRae 3000 device to detect small amounts of vapours in the air. As the ChloraPrep dries it gives off less and less vapour. The investigators will use this diminishing vapour concentration to determine when drying is complete.

Clinical Details

Official title: The Minimum ChloraPrep Drying Time Before Neuraxial Anesthesia in Elective Cesarean Delivery Patients - Prospective Observational Study

Study design: Observational Model: Case-Only, Time Perspective: Cross-Sectional

Primary outcome: Length of drying time


Minimum age: 19 Years. Maximum age: 40 Years. Gender(s): Female.


Inclusion Criteria:

- Pregnant

- At full term

- Due to have a cesarean section under spinal or epidural anesthesia

- 19 to 40 years of age

Exclusion Criteria:

- Allergy to certain antiseptic solutions

- Not suitable for a spinal/epidural anesthetic

- Have a significant amount of hair on lower back

Locations and Contacts

BC Women's Hospital, Vancouver, British Columbia V6H 3N1, Canada
Additional Information

Starting date: April 2014
Last updated: September 26, 2014

Page last updated: August 23, 2015

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