Study Results
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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NOT_YET_RECRUITING
200 participants
OBSERVATIONAL
2025-11-25
2026-02-01
Brief Summary
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Key research questions addressed include:
* Can the start and end points of the adductor canal be formulated along a line drawn between the ASIS and the adductor tubercle?
* Is there a definable relationship between the block application site and anatomical landmarks such as the vastoadductor membrane (VAM), the apex of the femoral triangle, and other adjacent structures that facilitates localization?
By validating ultrasound measurements with cadaveric findings, the study aims to provide researchers with a more predictable and reliable method for determining the optimal site for adductor canal block administration.
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Detailed Description
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In these planes, distances were measured between the following points:
The distance between the adductor tubercle and ASIS,
The distance between ASIS and the base of the patella,
The distance between ASIS and the apex of the patella,
The distance between the midpoint of the inguinal fold and the base of the patella.
In patients, ultrasound was used to identify and mark the following anatomical points:
The apex of the iliopectineal fossa,
The first visible point of the vastoadductor membrane (VAM),
The point where the sartorius muscle ends with the intersection of the adductor longus and begins its contact with the edge of the adductor magnus point
The point where the adductor hiatus is located.
Additionally, in patients where visible, the descending genicular artery was also marked.
The position of the femoral artery in relation to the VAM (medial, middle, or lateral) was noted, as well as the location where the femoral artery intersects the adductor magnus and sartorius, and the depth from the skin to the adductor hiatus. Circumferential measurements of the thigh were also taken at these points.
Some of the data obtained was compared with anatomical measurements obtained through cadaveric dissection.
Key Research Questions
Where are the starting and ending points of the adductor canal?
Can the adductor canal be defined along a line drawn between the ASIS and the adductor tubercle?
Is there a definable relationship between the block application site and anatomical landmarks such as the vastoadductor membrane (VAM), the apex of the femoral triangle, and other adjacent structures that facilitate localization?
By validating ultrasound measurements with cadaveric findings, the study aims to provide researchers with a more predictable and reliable method for determining the optimal site for adductor canal block applications
Conditions
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Study Design
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CASE_CONTROL
PROSPECTIVE
Study Groups
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ULTRASONOGRAPHIC PARTICIPANT GROUP
Participants will have ultrasound imaging of the adductor canal anatomy.
No interventions assigned to this group
Cadaver Group
Anatomical measurements and adjacencies of the adductor canal will be examined on cadavers.
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
BMI \<35
Ages 18-65
Those willing to participate in the study
Exclusion Criteria
Pregnant women
BMI \>35
ASA 4-5-6 patients
18 Years
65 Years
ALL
No
Sponsors
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Ankara Etlik City Hospital
OTHER_GOV
Responsible Party
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Yasin Usta
Principal Investigator
Principal Investigators
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Müge Çakırca, Associate Professor
Role: STUDY_DIRECTOR
Ankara Etlik City Hospital
Locations
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Ankara Etlik City Hospital
Ankara, , Turkey (Türkiye)
Countries
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Central Contacts
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Facility Contacts
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Other Identifiers
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AEŞH-BADEK-2025-0249
Identifier Type: -
Identifier Source: org_study_id
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