Effect of Rectus Sheath Block on Diaphragmatic Function After Elective Upper Abdominal Surgery

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-05-01

Study Completion Date

2026-01-01

Brief Summary

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This study will be undertaken to investigate the respiratory and analgesic effects of ultrasound guided rectus sheath block analgesia after elective abdominal surgery with midline incision.

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Detailed Description

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A major proportion of pain experienced by patients undergoing abdominal surgeries is due to somatic pain signals derived from the abdominal wall. The central portion of anterior abdominal wall components (skin, muscles and parietal peritoneum) is innervated by sensory neurons branching from the anterior rami of spinal nerves T7 to T1. These neurons lie between the rectus abdominis muscle and posterior rectus sheath, and pierce the rectus muscle close to the midline. The tendinous intersections of the rectus muscle do not fuse with the posterior rectus sheath, thereby allowing the injectate to spread cephalo-caudally within this potential space. Rectus sheath (RS) block has been described for any midline abdominal incisions (epigastric and umbilical hernia repairs). As visceral pain becomes attenuated by the 2nd postoperative day, rectus sheath block can also be administered for midline laparotomy.

However, the effects of rectus sheath block analgesia on the respiratory function after abdominal surgery with midline incisions are still under investigation.

Conditions

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Acute Pain

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Outcome Assessors

double blinded

Study Groups

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Rectus sheath block

Patients will receive ultrasound-guided rectus sheath block' performed after induction of general anesthesia and before surgery.

Group Type ACTIVE_COMPARATOR

Rectus Sheath Block

Intervention Type PROCEDURE

Sonar guided RSB will be performed using a 16-G, 8-cm TuohyUpon reaching this potential space, after careful aspiration.

control

Patients will receive general anesthesia .

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Rectus Sheath Block

Sonar guided RSB will be performed using a 16-G, 8-cm TuohyUpon reaching this potential space, after careful aspiration.

Intervention Type PROCEDURE

Other Intervention Names

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RSB

Eligibility Criteria

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Inclusion Criteria

* Age: 18-50 years.
* Sex: both males and females.
* BMI\< 30kg/m2.
* ASA physical status: 1, II and III.
* Elective abdominal surgery with midline incisions.

Exclusion Criteria

* Patient refusal.
* Infection at injection site
* Coagulation disorders.
* Allergy to study medications.
* Pregnancy.
* Respiratory tract infection within the last 2 weeks.
* Urgent abdominal surgery

Minimum Eligible Age

18 Years

Maximum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No