- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03498092
Dexmedetomidine in Serratus Plane Block for Mastectomy
Comparative Study of Bupivacaine Versus Bupivacaine-Dexmedetomidine in Ultrasound Guided Serratus Plane Block for Patients Undergoing Modified Radical Mastectomy
The serratus plane block (SPB) described by Blanco et al, 2013 is a progression from the work with the Pecs I and II blocks. The serratus muscle is a superficial and easily identified muscle and considered a true landmark to perform thoracic wall blocks because lateral cutaneous branches of the intercostal nerves pierce it in the mid-axillary line. A local anesthetic (LA) is injected under ultrasound (US) guidance either superficial or deep to serratus anterior muscle providing predictable and relatively long-lasting regional anesthesia, which would be suitable for surgical procedures performed on the chest wall.
The linear US probe of frequency (6-13 MHz) is placed over the mid-clavicular region in a sagittal plane.The ribs are counted inferiorly and laterally until the fifth rib in the midaxillary line is identified.The latissimus dorsi, teres major, and serratus muscles are identified.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
DKH
-
Mansourah, DKH, Egypt, 35516
- Oncology Center Mansoura University.
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients of American Society of Anesthesiologists (ASA) grade I - III.
- Scheduled for unilateral modified radical mastectomy.
Exclusion Criteria:
- Patient with the skin infection in the axilla.
- Allergy to local anesthetics of the amide type.
- Patient refusal.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Supportive Care
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Bupivacaine-Dexmedetomidine group
After general anesthesia, patients will receive a cocktail of isobaric bupivacaine 2.5 mg/ml plus 5 micrograms (mcg)/ml adrenaline and 1mcg/kg dexmedetomidine in a volume of 0.5 ml/kg injected superficial to serratus muscle between and below latissimus dorsi muscle.
|
isobaric bupivacaine 2.5 mg/ml plus 5 micro gram/ml adrenaline and 1 micro gram/kg dexmedetomidine in a volume of 0.5 ml/kg
|
Active Comparator: Bupivacaine group
After general anesthesia, patients will receive a cocktail of isobaric bupivacaine 2.5 mg/ml plus 5 micrograms (mcg)/ml adrenaline in a volume of 0.5 ml/kg injected superficial to serratus muscle between and below latissimus dorsi muscle.
|
isobaric bupivacaine 2.5 mg/ml plus 5 micro gram/ml adrenaline in a volume of 0.5 ml/kg
|
Placebo Comparator: Saline group
This group will serve as a control and blinding group and will receive saline infiltration in the same manner.
|
Normal saline in a volume of 0.5 ml/kg
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The time of the first analgesia request
Time Frame: 24 hours postoperative
|
minutes
|
24 hours postoperative
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The total analgesic requirements (Ketorolac)
Time Frame: 24 hours postoperative
|
milligram
|
24 hours postoperative
|
Pain assessed by Visual Analogue Scale
Time Frame: Postoperative: immediately after surgery, 2, 4, 6,10, 16, 24 hours postoperative
|
Visual Analogue Scale: between 0 and 10 (0 representing no pain and 10 is the worst imaginable pain)
|
Postoperative: immediately after surgery, 2, 4, 6,10, 16, 24 hours postoperative
|
Amount of fentanyl consumption
Time Frame: Intraoperative.
|
microgram
|
Intraoperative.
|
Mean arterial blood pressure
Time Frame: intraoperative every 30 minutes, and postoperative at 2, 4, 6, 10, 16, 24 hours
|
millimeter mercury
|
intraoperative every 30 minutes, and postoperative at 2, 4, 6, 10, 16, 24 hours
|
Heat rate
Time Frame: intraoperative every 30 minutes, and postoperative at 2, 4, 6, 10, 16, 24 hours
|
Beat per minute
|
intraoperative every 30 minutes, and postoperative at 2, 4, 6, 10, 16, 24 hours
|
Sedation assessed by the observer's assessment of alertness & sedation score
Time Frame: postoperative:10, 20, 30 minutes after extubation
|
sedation score (1-5): 5 = patient respond to name spoken in normal voice. 4 = patient asleep but arousable to normal tone voice. 3 = patient asleep but arousable to loud voice. 2 = patient asleep but arousable by mild prodding or shaking. 1 = comatose. |
postoperative:10, 20, 30 minutes after extubation
|
The Incidence of postoperative nausea and vomiting
Time Frame: postoperative for 24 hours
|
percent
|
postoperative for 24 hours
|
Patient satisfaction assessed by a visual analogue score
Time Frame: postoperative 24 hours after surgery
|
A score (0-10): 0 is the least satisfaction,10 the maximum satisfaction.
|
postoperative 24 hours after surgery
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pathologic Processes
- Postoperative Complications
- Pain
- Neurologic Manifestations
- Pain, Postoperative
- Physiological Effects of Drugs
- Adrenergic Agents
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Central Nervous System Depressants
- Peripheral Nervous System Agents
- Analgesics
- Sensory System Agents
- Anesthetics
- Analgesics, Non-Narcotic
- Adrenergic alpha-2 Receptor Agonists
- Adrenergic alpha-Agonists
- Adrenergic Agonists
- Hypnotics and Sedatives
- Anesthetics, Local
- Dexmedetomidine
- Bupivacaine
Other Study ID Numbers
- MD/16.06.08
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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