Effects of Erector Spinae Plane Block Method Used in Pain Management in Heart Surgery on Vascular Diameters

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

25 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-07-06

Study Completion Date

2020-10-15

Brief Summary

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Off-pump coronary artery bypass grafting (OPCABG) is a bypass method performed on the working heart. Pain is a frequently seen side effect experienced following this surgery. Erector spinae plane block is our analgesia method that the investigators routinely perform prior to the surgery to overcome this problem. In this method, analgesic medication is given via a needle in between the two superficial muscle groups (erector spinae muscles) located in participants back. The investigators believe this method not only provides pain relief, but also is beneficial (dilating) on the vessels that will be used for bypassing the clogged vessels during the surgery. The investigators aimed to measure some parameters in this routine procedure before and after performing the analgesic method with an ultrasound (imaging with sound waves).

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Detailed Description

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Conditions

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Coronary Artery Disease Erector Spinae Plane Block Bypass Extremity Graft

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

The study is planned as prospective. Aged between 18-75, ASA III risk group and are undergoing off pump coronary artery bypass grafting surgery are selected for the study. Who are allergic to planned-medications, chronic opioid or opioid receptor agonist users, those with preoperative neuropathies, psychiatric diseases will be excluded. Electrocardiography and pulse oximetry monitorization is performed in the recovery room where a peripheric intravenous line is opened afterwards. High frequency (12-24 MHz) linear probe is used for measurements. Images will be recorded by USG from the 3., 4. and 5. intercostal spaces for the LIMA and RIMA and 3cm proximal to the wrist for the right and left radial arteries. After images are saved, the researcher will perform ESP block with USG. ESP block will be performed to right and left sides equally with 40ml %0.25 bupivacaine in total. Artery images will be recorded again by the same researcher after 45 minutes.

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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Erector Spinae Plane Block

One researcher will record the artery images as explained in the protocol before and after the plane block and two researchers will measure the radius and area of those vessels separately.

Group Type EXPERIMENTAL

Erector Spinae Plane Block

Intervention Type PROCEDURE

One researcher will record the artery images as explained in the protocol and two researchers will measure the radius and area of those vessels separately. Researchers who are measuring the radius and area of vessels won't know whether those images belong to pre or post- ESP block. The results two researchers measure will be compared statistically and if there are no statistically significant differences, the mean value of their separate recordings will be taken into account for the statistical analysis.

Interventions

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Erector Spinae Plane Block

One researcher will record the artery images as explained in the protocol and two researchers will measure the radius and area of those vessels separately. Researchers who are measuring the radius and area of vessels won't know whether those images belong to pre or post- ESP block. The results two researchers measure will be compared statistically and if there are no statistically significant differences, the mean value of their separate recordings will be taken into account for the statistical analysis.

Intervention Type PROCEDURE

Other Intervention Names

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Bupivacaine

Eligibility Criteria

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Inclusion Criteria

* Patients who are aged between 18-75,
* ASA III
* Patients who are undergoing off pump coronary artery bypass grafting surgery

Exclusion Criteria

* Patients who are allergic to planned-medications,
* those with previous cardiac surgery,
* patients undergoing emergency surgery,
* uncontrolled diabetes mellitus,
* chronic opioid or opioid receptor agonist users,
* those with pre-operative neuropathies, psychiatric diseases,
* non-communicable patients and
* those who refuse to participate

Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes