About this trial
The goal of this observational study is to define the safe distance that will reduce the risk of pneumothorax through ultrasonographic imaging measurements in both sitting and prone positions to ensure patient safety during these procedures. The main question\[s\] it aims to answer \[is/are\]:
The mean distance between the skin and pleura in sitting position during the inhalation and exhalation The mean distance between the skin and pleura in prone position during the inhalation and exhalation
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
patients diagnosed with Myofascial Pain Syndrome
patients scheduled for trigger point injections due to Myofascial Pain Syndrome.
Disqualifiers
under 18 years of age,
additional diseases other than Myofascial Pain Syndrome,
the presence of active infection in the interscapular area where ultrasound imaging and measurements will be performed,
lesions that disrupt skin integrity or affect subcutaneous and muscle structures such as anomalies or masses that could impair imaging quality
Trial population
Patients scheduled to undergo trigger point injections due to myofascial pain
Trial design
Cohort
Prospective
Treatments tested in this trial
Ultrasound guided injection with local anaestethic
Other interventionVolunteers will first be asked to sit on a chair with their back facing the examiner, placing their arms in a relaxed position with their head supported on a surface in front of them. The ultrasound operator will be positioned behind the volunteer. Initially, in the sitting position, volunteers will be asked to maintain normal breathing. Once an optimal ultrasound image is obtained, the image will be frozen, and measurements will be taken from the same image in sequence. The measurements to be performed are as follows: skin-fat tissue distance, skin-trapezius muscle distance, skin-rhomboid muscle distance, skin-rib distance, skin-pleura distance, and rhomboid muscle-pleura distance. These measurements, in millimeters, will be recorded in the data collection form. The same measurements will also be taken during deep inhalation and deep exhalation in the sitting position."
Ultrasound guided injection with local anaestethic
Other interventionVolunteers will first be asked to lay prone position.The ultrasound operator will be positioned behind the volunteer. Initially, in the sitting position, volunteers will be asked to maintain normal breathing. Once an optimal ultrasound image is obtained, the image will be frozen, and measurements will be taken from the same image in sequence. The measurements to be performed are as follows: skin-fat tissue distance, skin-trapezius muscle distance, skin-rhomboid muscle distance, skin-rib distance, skin-pleura distance, and rhomboid muscle-pleura distance. These measurements, in millimeters, will be recorded in the data collection form. The same measurements will also be taken during deep inhalation and deep exhalation in the sitting position."
Treatment groups
Trial outcomes
Primary outcomes
skin-pleura distance in sitting position
Evaluate the skin-pleura distance in sitting position during inhalation and exhalation
skin-pleura distance in prone position
skin-pleura distance in prone position during inhalation and exhalation
Secondary outcomes
the correlation of skin-pleura distance and body mass index
the correlation of skin-pleura distance in sitting and prone position and body mass index
the correlation of skin-pleura distance and dominant hand
the correlation of skin-pleura distance in sitting and prone position and dominant hand
the correlation of skin-pleura distance and the chest wall diameter
the correlation of skin-pleura distance in sitting and prone position and the chest wall diameter
Sponsors and contacts
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