Interfascial Pressure Into Ultrasound Guided Anterior Quadratus Lumborum Block Application

Study Overview
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Brief Summary
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The block has been shown to be the result of abdominal analgesia as a result of application between the quadratus lumborum (QL) muscle and the leaves in the thoracolumbar fascia. In this block, local anesthetic drugs are administered between the quadratus lumborum (QL) muscle and the anterior leaf in the thoracolumbar fascia. In this way, it has been reported that it provides a good analgesia as it relieves somatic pain better in upper and lower abdominal surgeries.

Detailed Description
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The mechanism of QLB analgesic contains many theories. This study includes the research relationship between the effect of fascial pressure and the success of the association block. We will use the ultrasound guided anterior Quadratus Lumborum Block. A peripheral nerve block catheter will be placed between the quadratus lumborum muscle and the psoas muscle with ultrasound.The pressure between the fascia and the pressure line added to the catheter tip will be measured.A peripheral nerve block catheter will be placed between the quadratus lumborum muscle and the psoas muscle with ultrasound. The pressure between the fascia and the pressure line added to the catheter tip will be measured.

Official Title
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Investigation of the Effect of Interfacial Pressure on Block Success During Anterior Quadratus Lumborum Block Application

Conditions
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Block

Intervention / Treatment
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* Device: inter-fascial pressure


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Patients who were in the American Society of Anesthesiologists (ASA) I-III class • Underwent laparoscopic cholecystectomy Exclusion Criteria: Previous history of preoperative opioid use, Allergy to local anesthetics, The presence of any systemic infection, Uncontrolled arterial hypertension, Uncontrolled diabetes mellitus Presence of infection in the block area,

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 65 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Diagnostic
Intervention Model: Single Group Assignment
Interventional Model Description: prospective, cohort
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Quadratus Lumborum block<br>We will use the ultrasound guided anterior Quadratus Lumborum Block.A peripheral nerve block catheter will be placed between the quadratus lumborum muscle and the psoas muscle with ultrasound | Device: inter-fascial pressure<br>* The pressure between the fascia and the pressure line added to the catheter tip will be measured.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Interfascial Pressure (mm/hg) | İnterfascial pressure will be measured the postoperative 24. hours through catheter. | 24 hours. | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| sensory block level | After the application, the sensory block level at the 30 minutes after the block application and 30 minutes after the operation will be determined by cold test. | peroperative 3 hours | 
| Visual Analog Scale | Visual Analog Scale was used for pain.Pain intensity was measured using 0-10 cm visual analogue scale (VAS). (0=no pain, 10=intolerable pain) | Postoperative 24 hours | 
| analgesic use | analgesic use | Postoperative 24 hours |