Modified Versus Conventional Serratus Anterior Plane Block

NCT ID: NCT05661253

Last Updated: 2023-08-29

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

UNKNOWN

Clinical Phase

NA

Total Enrollment

99 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-12-02

Study Completion Date

2023-10-30

Brief Summary

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comparing preemptive analgesia with ultrasound guided modified serratus anterior plane block versus ultrasound guided serratus anterior plane block

Detailed Description

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comparing the quality of postoperative analgesia and opioid consumption in patients undergoing Video-Assisted Thoracoscopic Surgery when using preemptive analgesia with ultrasound guided modified serratus anterior plane block versus ultrasound guided serratus anterior plane block

Conditions

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Postoperative Pain, Acute

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Outcome Assessors

Study Groups

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Control group

will take general anesthesia without nerve block

Group Type NO_INTERVENTION

No interventions assigned to this group

SAP block group

After sterilization of the skin and draping, the high frequency linear probe of Sonosite M Turbo ultrasonography (FUJIFIM sonosite, Inc., Bothell, WA, USA) will be placed at the level of the midclavicular line in a sagittal plane. The second rib will be recognized at the axillary artery. The probe will be moved downward to count the ribs until the level of the fifth rib in the mid-axillary line. At this time, the latissimus dorsi muscle (lying superficial) and the serratus anterior muscle (lying deep) will be clearly visualized under ultrasound . Next, A 22-gauge, 80 mm needle (Stimuplex D, B-Braun, Germany) will be inserted in plane relative to the ultrasound probe between the latissimus dorsi and the serratus anterior muscle. After confirming negative aspiration of blood, 1 ml normal saline will be injected for hydro-dissection sign to verify the needle tip, then a volume of 25 ml 0.25% bupivacaine will be injected superficially to serratus anterior muscle. .

Group Type ACTIVE_COMPARATOR

25 ml of bupivacaine 0.25% via serratus anterior block

Intervention Type DRUG

patients will receive conventional serratus anterior plane block with a volume of 25 ml of bupivacaine 0.25% followed by induction of general anesthesia,

modified SAP block group

The patient will be placed in the lateral decubitus position according to the selected site of surgical intervention. After sterilization of the skin and draping, the high frequency linear probe of Sonosite M Turbo ultrasonography ( FUJIFIM sonosite, Inc., Bothell, WA, USA) will be placed horizontally midway between tip of the scapula and posterior axillary line to identify the view of latissimus dorsi(lying superficial) and serratus anterior muscle(lying deep) over either the sixth or seventh rib. A 22-gauge, 80 mm needle (Stimuplex D, B-Braun, Germany) will be inserted in plane relative to the ultrasound probe from posteromedial to anterolateral direction toward posterior axillary line till reaching the interfacial plane between latissimus dorsi and serratus anterior muscle . After confirming negative aspiration of blood, 1 ml normal saline will be injected for hydro-dissection sign to verify the needle tip, then a volume of 25 ml 0.25% bupivacaine will be injected .

Group Type ACTIVE_COMPARATOR

25 ml of bupivacaine 0.25% via modified serratus anterior palne block

Intervention Type DRUG

patients will receive modified serratus anterior plane block with a volume of 25 ml of bupivacaine 0.25% followed by induction of general anesthesia.

Interventions

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25 ml of bupivacaine 0.25% via serratus anterior block

patients will receive conventional serratus anterior plane block with a volume of 25 ml of bupivacaine 0.25% followed by induction of general anesthesia,

Intervention Type DRUG

25 ml of bupivacaine 0.25% via modified serratus anterior palne block

patients will receive modified serratus anterior plane block with a volume of 25 ml of bupivacaine 0.25% followed by induction of general anesthesia.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Patient consent.
* both sex.
* Age: 21-70 years old.
* BMI: 18- 30 kg/m2
* ASA: I and II.
* Scheduled for elective unilateral Video-Assisted thoracoscopy under general anesthesia.

Exclusion Criteria

* History of allergy to the local anesthesia agents used in this study,
* Skin lesion at needle insertion site,
* Those receiving anticoagulant therapy or having bleeding disorders
* Patients with history of chronic pain and taking analgesics,
* Patients with sepsis and Significant cardiac, liver or renal diseases
* Uncooperative patients or with psychiatric disorders.
Minimum Eligible Age

21 Years

Maximum Eligible Age

60 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Zagazig University

OTHER_GOV

Sponsor Role lead

Responsible Party

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Heba M Fathi

prof/Dr

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Heba M Fathi

Role: PRINCIPAL_INVESTIGATOR

faculty of human medicine ,zagazig university

Locations

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Heba M Fathi

Zagazig, , Egypt

Site Status RECRUITING

Countries

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Egypt

Central Contacts

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Heba M Fathi

Role: CONTACT

002-01000143938

Facility Contacts

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Heba M Fathi, M.D

Role: primary

002-01000143938

References

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Abd Ellatif SE, Galal Eldin AM, Ali ES, Fathi HM. Ultrasound-guided modified versus conventional serratus anterior plane block as a preemptive analgesic for unilateral video-assisted thoracoscopic surgery. BMC Anesthesiol. 2025 Aug 29;25(1):435. doi: 10.1186/s12871-025-03314-5.

Reference Type DERIVED
PMID: 40883665 (View on PubMed)

Other Identifiers

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ZU-IRB # 10061

Identifier Type: -

Identifier Source: org_study_id

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