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Rhomboid Intercostal Block Versus Retrolaminar Block for Postoperative Analgesia After Thoracoscopic Sympathectomy

ConditionPost Operative Pain
Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-60
SponsorDamanhour Teaching Hospital

About this trial

Background: Although thoracoscopic sympathectomy is made via small incisions, it is associated with severe postoperative pain. Both Rhomboid intercostal block (RIB) and Retrolaminar block (RLB) are recent techniques used for pain control after such procedures

Objectives: To compare the effectiveness of RIB and RLB in providing postoperative analgesia after thoracoscopic sympathectomy in adult patients and their impact on the patient's outcomes.

Patients and Methods: This prospective, randomized (1:1), double-blind clinical trial; will be carried out on 60 patients scheduled for elective thoracoscopic sympathectomy under general anesthesia at our hospital. Patients will be randomly allocated into two equal groups (30 patients each) and will receive: in group A; general anesthesia with intraoperative ipsilateral ultrasound-guided RIB, whereas in group B; general anesthesia with intraoperative ipsilateral ultrasound-guided RLB.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

American Society of Anesthesiologists (ASA) physical status ≤ II

Age from 18 to 60 years

Body Mass Index (BMI) < 35 kg/m²

Disqualifiers

American Society of Anesthesiologists (ASA) physical status > II

Age < 18 years or > 60 years

Body Mass Index (BMI) ≥ 35

Local infection at the puncture site

Trial design

Design model

Parallel

Treatments tested in this trial

  • Rhomboid Intercostal Block (RIB)

    Procedure/Surgery

    Intraoperative Ipsilateral Ultrasound-guided RIB

  • Retrolaminar Block (RLB)

    Procedure/Surgery

    Intraoperative Ipsilateral Ultrasound-guided RLB

Treatment groups

60 Participants
are divided into 2 treatment groups
Group A: Group A (n=30)Active comparator 1 intervention
Group B: Group B (n=30)Active comparator 1 intervention

Trial outcomes

Primary outcomes

1

Mean and Standard deviation of time to the first request of postoperative rescue analgesic (minutes) (mean±SD)

The time interval between the block performance and the first request of postoperative analgesia

Time frame
24 hours after the end of surgery

Secondary outcomes

1

Mean and Standard deviation of Numeric Pain Rating Scale (NPRS) score (mean±SD)

NPRS measures the severity of postoperative pain, it is a 11 point scale from 0-10; where 0=No pain and 10=Worst possible pain (At PACU, 1h, 3h, 6h, 12h, 18h, 24h) after the end of surgery

Time frame
24 hours after the end of surgery
2

Mean and Standard deviation of the total dose of the rescue analgesic consumed (milligrams) (mean±SD)

The total dose of the rescue analgesic consumed in the first 24 hours after the end of surgery

Time frame
24 hours after the end of surgery

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

Damanhour Teaching Hospital

Lead sponsor

Source ClinicalTrials.gov
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