Dual Injection ESPB Versus Single Injection ESPB for Laparotomies

Comparison Between the Efficacy of Ultrasound Guided Single Injection Erector Spinae Plane Block Versus Dual Injection Erector Spinae Plane Block for Postoperative Pain in Patients Undergoing Abdominal Surgery: Randomized Clinical Study

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT05633329

Enrollment

Registered

2022-12-01

Start date

2022-12-07

Completion date

2023-06-01

Last updated

2023-06-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Post Operative Pain, Regional Block

Keywords

ESPB, pain, regional block

Brief summary

To evaluate and compare the efficacy of single level injection erector spinae plane block versus double level injection Erector spinae plane block in laparotomies

Interventions

PROCEDUREdual level

injection of 40 ml of bupivacaine 0.25 at two level T7 and T9 (10 ml on each level of both side)

PROCEDUREsingle level

injection of 40 ml bupivacaine 0.25 at T8 (20 ml on each side)

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

PREVENTION

Masking

TRIPLE (Subject, Caregiver, Outcomes Assessor)

Eligibility

Sex/Gender

ALL

Age

18 Years to 60 Years

Healthy volunteers

Inclusion criteria

1. Age18-60. 2. Both genders. 3. abdominal surgery. 4. ASA I-III.

Exclusion criteria

1. Drug allergy. 2. Morbid obesity (BMI \>40 kg/m2). 3. Psychiatric disorder. 4. Opiod dependence. 5. patient refuse.

Design outcomes

Primary

Measure	Time frame	Description
first analgesic request	24 hours	time to request fentanyl

Secondary

Measure	Time frame	Description
resting visual analogue pain scale	24 hours	pain score at rest from 0-10 which 0 mean no pain and 10 the worst pain
dynamic visual analogue pain scale	24 hours	pain score at movement (cough) from 0-10 which 0 mean no pain and 10 the worst pain
analgesic consumption	24 hours	total fentanyl required first day postoperative

Countries

Egypt

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026