- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05156775
The Efficacy of Ultrasound-Guided Rhomboid Intercostal Block Versus Serratus Plane Block in Mastectomy.
The Efficacy of Ultrasound-Guided Rhomboid Intercostal Block Versus Serratus Plane Block in Patients Undergoing Modified Radical Mastectomy: A Prospective Randomized Controlled Study.
Study Overview
Status
Intervention / Treatment
Detailed Description
Breast cancer is the most frequently diagnosed malignancy and is the leading cause of cancer-related death among the female population.
Modified radical mastectomy (MRM) is the standard surgical treatment for cancer breast, which is usually associated with moderate to severe acute postoperative pain. Adequate postoperative pain relief is important to improve functional outcomes and to accelerate recovery and decrease hospital stay.
The postoperative pain may last >3 to 6 months after surgery and may proceed to chronic pain, with an incidence of 20% to 30%. Because chronic pain has many negative effects on patients, it may decrease the overall quality of life and may be a potential source of chronic opioid use. Therefore, preventing chronic pain is essential in these patients. In this regard, good acute postoperative pain management strategies have a very important role.
Regional anesthesia techniques can provide good postoperative pain management and may cause less incidence of chronic pain.
Many analgesic techniques have been proposed to relieve acute postoperative pain, including intercostal block, local anesthetic (LA) infiltration, block, paravertebral block, serratus plane block (SPB), and rhomboid intercostal block (RIB) to relieve acute postoperative pain
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Dina H. Alhassanin, M.B.B.CH
- Phone Number: +20 1143441294
- Email: dina154456@med.tanta.edu.eg
Study Locations
-
-
Elgharbia
-
Tanta, Elgharbia, Egypt, 31511
- Recruiting
- Tanta University Hospital
-
Contact:
- Dina H Alhassanin
- Phone Number: 00201143441294
- Email: dina154456@med.tanta.edu.eg
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Female patients
- Scheduled for unilateral modified radical mastectomy.
- Age 18-65 years
- American Society of Anesthesiologists (ASA) physical status I- II
Exclusion Criteria:
- Patient refusal
- Coagulation disorders
- Body mass index > 35 kg/m2
- Uncooperative or psychiatric patients
- Infection at the injection site
- Patients with a history of allergy to local anesthetics
- Patients with a history of treatment for chronic pain
- Previous history of breast surgery or other chest surgery
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
No Intervention: Intravenous analgesia group
35 Patients will receive intravenous morphine (mg) analgesia only.
|
|
Experimental: Serratus Plane Block (SPB) group
35 Patients will receive ipsilateral serratus plane block using 30 ml bupivacaine 0.25% at the level of the 5th rib.
|
While the patient is in the supine position, the arm will be abducted, the ultrasound probe will be placed over the mid-clavicular region of the thoracic cage in sagittal plane.
Ribs will be counted until the fifth rib will be identified in the midaxillary line.
the latissimus dorsi (superficial and posterior ), teres major (superior), and serratus muscle (deep and inferior)will be identified overlying the fifth rib.
As an extra reference point, thoracodorsal artery will be used, this aids in the identification of the plane superficial to the serratus muscle, 30 ml 0.25 %bupivacaine will be injected between latissimus dorsi and serratus anterior muscles at the level of the 5th rib in the mid axillary line.
|
Experimental: Rhomboid intercostal nerve block (RIB) group
35 Patients will receive ipsilateral rhomboid intercostal nerve block using 30 ml bupivacaine 0.25%.
|
In the rhomboid intercostal nerve block (RIB) group, the patient will be placed in a lateral position with the affected breast at the top.
The ipsilateral arm will be extended to the same level as the ipsilateral chest and breast, and the scapula will be moved outward.
On the oblique sagittal plane, a high frequency (6-12MHz) linear ultrasound probe will be placed on the medial edge of the scapula.
The US landmarks, trapezius muscle, rhomboid muscle, intercostal muscles, pleura, and lung will be identified.
Under the aseptic condition, a 22-gauge needle will be inserted in the plan to the US probe at T5 to T6 levels.
Then, 0.25% bupivacaine (30 mL) will be injected into the inter-fascial plane between the rhomboid major muscle and the intercostal muscle, the diffusion of bupivacaine in the fascia between the rhomboid muscle and the intercostal muscle will be visualized.
Then, the patient will be positioned in supine position.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The total rescue morphine (mg) consumption in the first 24 post-operative hours.
Time Frame: 24 hours postoperative
|
Rescue analgesia in the form of 3 mg intravenous morphine (mg) will be given if the visual analog scale is ≥ 4 repeated with 10 minutes lockout interval till the visual analog scale becomes less than 3 guided with the occurrence of complications as nausea, vomiting, and respiratory depression.
|
24 hours postoperative
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Post-operative pain assessed by visual analog scale (VAS)
Time Frame: 24 hours Postoperative
|
Postoperative pain will be assessed using a visual analog scale after 15 minutes after admission to the Post-anesthesia care unit and, 2, 4, 6, 8, 12,16, and 24 hours postoperatively. VAS ranged from 0 to 10 (the lowest is less pain) |
24 hours Postoperative
|
Heart rate
Time Frame: Intraoperative
|
Heart rate (beats/min) will be recorded at baseline before induction, after induction, and before skin incision then every 15 minutes till the end of the operation
|
Intraoperative
|
Mean arterial blood pressure
Time Frame: Intraoperative
|
Mean arterial blood pressure will be recorded at baseline before induction, after induction, and before skin incision then every 15 minutes till the end of the operation
|
Intraoperative
|
Time to first rescue analgesic request (minutes)
Time Frame: 24 hours Postoperative
|
Time to the first rescue analgesic request (minutes) will be also recorded.
Rescue analgesia in the form of 3 mg intravenous morphine (mg) will be given if the visual analog scale is ≥ 4
|
24 hours Postoperative
|
Intraoperative fentanyl consumption (µg).
Time Frame: Intraoperative
|
Inadequate analgesia in the form of increase of heart rate or mean arterial blood pressure ≥ 20% above the baseline will be managed using 1µg/ kg of IV fentanyl.
The total intravenous fentanyl consumption will be recorded at the end of the operation
|
Intraoperative
|
Adverse effects
Time Frame: intraoperative or 24 hours Postoperative
|
Any intraoperative or postoperative complications such as nausea, vomiting, hematoma, hypotension (defined as any decrease in mean arterial blood pressure of >20% of the preoperative baseline value), Bradycardia (defined as a decrease in heart rate < 50 beat/min), or pneumothorax will be recorded.
Bradycardia will be treated by atropine intravenous injection (0.01 mg/kg) which may be repeated if needed.
Hypotension will be treated by250 ml intravenous saline, and a bolus dose of intravenous Ephedrine 5 mg, which may be repeated if no response.
|
intraoperative or 24 hours Postoperative
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
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
Other Study ID Numbers
- 34981/10/21
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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