Different Volumes of Erector Spinae Plane Block for Breast 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

COMPLETED

Clinical Phase

NA

Total Enrollment

40 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-01-27

Study Completion Date

2023-05-25

Brief Summary

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Postoperative pain is an important issue in female patients underwent breast surgery. Postoperative effective pain treatment provides early mobilization and shorter hospital stay. The US-guided erector spina plane block (ESPB) may be used for postoperative pain treatment following breast surgery. It is a relatively novel interfascial block that was defined by Forero et al. It has been reported that ESPB provides effective analgesia management for several breast surgeries.

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Detailed Description

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Various methods may be performed to reduce the use of systemic opioids and for effective pain treatment following mastectomy and axillary dissection surgery. Ultrasound (US)-guided interfascial plane blocks have been used increasingly due to the advantages of ultrasound in anesthesia practice.

The US-guided erector spina plane block (ESPB) provides thoracic analgesia at T5 level and abdominal analgesia at T7-9 level. ESPB contains a local anesthetic injection into the deep fascia of erector spinae. Visualization of sonoanatomy is easy, and the spread of local anesthesic agents can be easily seen under the erector spinae muscle. Thus, analgesia occurs in several dermatomes with cephalad-caudad way. In the literature, it has been reported that ESP block provides effective analgesia after several surgeries such as open heart surgery, breast surgery, thoracoscopic and abdominal operations.

The aim of this study is to compare the efficacy of the different volumes of US-guided ESPB for postoperative analgesia after mastectomy and axillary dissection surgery. The primary aim is to compare postoperative opioid consumption, and the secondary aim is to evaluate pain scores (VAS), and adverse effects related with opioids (allergic reaction, nausea, vomiting).

Conditions

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Breast Cancer Breast Neoplasms Breast Diseases

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

There are two models for this study. The first group is 30 ml volume ESPB group. The second one is 20 ml volume ESPB group

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Outcome Assessors

The participant and the anesthesiologist who will perform postoperative pain evaluation and opioid consumption will not know the group

Study Groups

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Group 30 = 30 ml of Erector spinae plane block group

In group 30 ml, ESPB will be performed with patients in the lateral decubitus position while the surgical site up. US probe will be placed 2-3 cm lateral to the T4 transvers process. The block needle will be inserted cranio-caudal direction and then for correction of the needle 5 ml saline will be injected deep into the erector spina muscle fascia. Following confirmation of the correct position of the needle 30 ml %0.25 bupivacaine will be administered for block.

Group Type ACTIVE_COMPARATOR

Bupivacaine + Fentanyl

Intervention Type DRUG

Patients will be administered ibuprofen 400 mgr IV every 8 hours in the postoperative period. A patient controlled device prepared with 10 mcg/ ml fentanyl will be attached to all patients with a protocol included 10 mcg bolus without infusion dose, 10 min lockout time and 4 hour limit. Postoperative patient evaluation will be performed by an anesthesiologist blinded to the procedure.

Group 20 = 20 ml of Erector spinae plane block group

In group ESPB, ESPB will be performed with patients in the lateral decubitus position while the surgical site up. US probe will be placed 2-3 cm lateral to the T4 transvers process. The block needle will be inserted cranio-caudal direction and then for correction of the needle 5 ml saline will be injected deep into the erector spina muscle fascia. Following confirmation of the correct position of the needle 20 ml %0.25 bupivacaine will be administered for block.

Group Type ACTIVE_COMPARATOR

Bupivacaine + Fentanyl

Intervention Type DRUG

Patients will be administered ibuprofen 400 mgr IV every 8 hours in the postoperative period. A patient controlled device prepared with 10 mcg/ ml fentanyl will be attached to all patients with a protocol included 10 mcg bolus without infusion dose, 10 min lockout time and 4 hour limit. Postoperative patient evaluation will be performed by an anesthesiologist blinded to the procedure.

Interventions

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Bupivacaine + Fentanyl

Patients will be administered ibuprofen 400 mgr IV every 8 hours in the postoperative period. A patient controlled device prepared with 10 mcg/ ml fentanyl will be attached to all patients with a protocol included 10 mcg bolus without infusion dose, 10 min lockout time and 4 hour limit. Postoperative patient evaluation will be performed by an anesthesiologist blinded to the procedure.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* American Society of Anesthesiologists (ASA) classification I-II
* Scheduled for mastectomy and axillary dissection surgery under general anesthesia

Exclusion Criteria

* anticoagulant treatment,
* known local anesthetic allergy,
* infected skin around the block site,
* pregnancy or breast-feeding,
* back abnormalities

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No