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The Effect of Pre-incisional Local Xylocaine Injection on Post Operative Pain and Scar Formation After Cesarean Section
This study is currently recruiting participants.
Verified by The Baruch Padeh Medical Center, Poriya, August 2009
First Received: June 4, 2009   Last Updated: August 23, 2009   History of Changes
Sponsored by: The Baruch Padeh Medical Center, Poriya
Information provided by: The Baruch Padeh Medical Center, Poriya
ClinicalTrials.gov Identifier: NCT00914498
  Purpose

This study will examine whether pre-incision infiltration of the skin cut site can attenuate post operative pain after a cesarean section. One hundred and twenty women will be allocated to get 20 ml of either placebo or 1% xylocaine at the site of skin incision. We will also examine possible effect of this infiltration of parameters of wound heeling and scar formation, six weeks post partum.


Condition Intervention
Pain Relief
Drug: Local, pre-incisional injection of 20 ml 1% xylocaine

Study Type: Interventional
Study Design: Treatment, Randomized, Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Placebo Control, Parallel Assignment, Efficacy Study
Official Title: The Effect of Pre-incisional Local Xylocaine Injection on Post Operative Pain and Scar Formation After Cesarean Section

Resource links provided by NLM:


Further study details as provided by The Baruch Padeh Medical Center, Poriya:

Primary Outcome Measures:
  • Level of post operative pain on a visual analog scale [ Time Frame: Up to 48 hours postoperative ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Appearance of operative scar, compared to previous scar [ Time Frame: 6-8 weeks ] [ Designated as safety issue: No ]

Estimated Enrollment: 120
Study Start Date: July 2009
Estimated Primary Completion Date: December 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Xylocaine: Experimental
Participants will receive local injection of 20 ml 1% Xylocaine to the skin incision site
Drug: Local, pre-incisional injection of 20 ml 1% xylocaine
Local, pre-incisional injection of 20 ml 1% xylocaine
Controls: Placebo Comparator
Participants will receive injection of 0.9% NaCl 20 ml to the incision site
Drug: Local, pre-incisional injection of 20 ml 1% xylocaine
Local, pre-incisional injection of 20 ml 1% xylocaine

Detailed Description:

Among all other abdominal operations cesarean section is unique in two aspects. First, the requirement for rapid and as painless as possible recovery is not only important for the general good reasons, but there is the newborn baby, who needs maternal care. Second, in many cases the operation recurs in the same site, which may involve higher level of post operative pain. Application of local anesthetics to the incision site have been tried for abdominal operation in several forms, ranging from pre-incision injection (1-6) through post incision injection (7 ) to indwelling catheter for protracted instillation (8-9). Where tried, these methods mostly contributed to the reduction of post operative pain and patients' satisfaction, although there is no consensus as to its efficacy. Yet, local, pre-incision injection of local anesthetics has not been tested for cesarean section. The above not withstanding, it has been proposed that local infiltration of tissue with xylocaine may interfere with wound healing (10-11). Others suggested possible benefit due to antimicrobial activity (12) Conversely, Al- Asfour et al. (13) found no effect of topical oral application of xylocaine on experimental wounds in rabbits.

Interestingly, Drucker et al. found that less collagen was deposited in healing wounds that were infiltrated with xylocaine prior to incision, while the strength of the scar was not affected (14-15).

Our proposed study will examine whether pre-incision infiltration of the skin cut site can attenuate post operative pain after a cesarean section. It will also examine possible effect of this infiltration of parameters of wound heeling and scar formation.

  Eligibility

Ages Eligible for Study:   18 Years to 45 Years
Genders Eligible for Study:   Female
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Candidates for non-emergency cesarean section

Exclusion Criteria:

  • Emergency cesarean section
  • Known or suspected sensitivity to local anesthetics
  • Pre-eclamptic toxemia
  • Deranged liver function
  • Deranged hemostasis
  • Lack of adequate verbal communication
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00914498

Contacts
Contact: Izhar Ben-Shlomo, MD 972-50-6268024 izharbs@netvision.net.il
Contact: Aviva Peleg, MSc 972-50-6267521 apeleg@poria.health.gov.il

Locations
Israel
Department of Obstetrics & Gynecology, Baruch Padeh Medical Center Recruiting
Poriya, Israel
Contact: Izhar Ben-Shlomo, MD     972-50-6268024     izharbs@netvision.net.il    
Contact: Aviva Peleg, MSc     972-50-6267521     apeleg@poria.health.gov.il    
Principal Investigator: Izhar Ben-Shlomo, MD            
Sub-Investigator: Nimrod Weitzman, MD            
Sub-Investigator: Dmitri Chuyun, MD            
Sub-Investigator: Moshe Ben-Ami, MD, Prof.            
Sponsors and Collaborators
The Baruch Padeh Medical Center, Poriya
Investigators
Principal Investigator: Izhar Ben-Shlomo, MD Department of Obstetrics & Gynecology, Baruch Padeh Medical Center
  More Information

No publications provided

Responsible Party: The Baruch Padeh Medical Center ( Izhar Ben-Shlomo, MD, Senior Obstetrician & Gynecologist )
Study ID Numbers: Xylocaine CS Scar.CTIL
Study First Received: June 4, 2009
Last Updated: August 23, 2009
ClinicalTrials.gov Identifier: NCT00914498     History of Changes
Health Authority: Israel: Ministry of Health

Keywords provided by The Baruch Padeh Medical Center, Poriya:
Xylocaine
Casarean section
Post operative pain
Scar quality

Study placed in the following topic categories:
Signs and Symptoms
Postoperative Complications
Lidocaine
Central Nervous System Depressants
Anesthetics
Pain
Cardiovascular Agents
Anti-Arrhythmia Agents
Peripheral Nervous System Agents
Anesthetics, Local
Pain, Postoperative
Cicatrix

Additional relevant MeSH terms:
Physiological Effects of Drugs
Lidocaine
Anesthetics
Central Nervous System Depressants
Pain
Cardiovascular Agents
Anesthetics, Local
Pharmacologic Actions
Signs and Symptoms
Pathologic Processes
Postoperative Complications
Sensory System Agents
Therapeutic Uses
Anti-Arrhythmia Agents
Peripheral Nervous System Agents
Central Nervous System Agents
Pain, Postoperative

ClinicalTrials.gov processed this record on September 03, 2009