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The arterial folding point during flexion of the hip joint.

Authors
Park, SI; Won, JH; Kim, BM; Kim, JK; Lee, DY
Citation
Cardiovascular and interventional radiology, 28(2):173-177, 2005
Journal Title
Cardiovascular and interventional radiology
ISSN
0174-15511432-086X
Abstract
PURPOSE: Endovascular stents placed in periarticular vessels may be at a greater risk of neointimal hyperplasia and eventual occlusion than those placed in non-periarticular vessels. The purpose of this study was to investigate the location of maximal conformational change along the iliac and femoral artery, the folding point, during flexion of the hip joint and its location relative to the hip joint and the inguinal ligament.



METHODS: Seventy patients undergoing femoral artery catheterization were evaluated. The patients were 47 men and 23 women and ranged in age from 26 to 75 years (mean 54 years). The arteries (right:left=34:36) were measured using a marked catheter for sizing vessels. Fluoroscopic images were obtained in anteroposterior and lateral projections in neutral position, and in the lateral projection in flexed position of the hip joint. The folding point was determined by comparing the lateral projection images in the neutral and flexed positions. The distance from the acetabular roof to the folding point and the distance from the inguinal ligament to the folding point was evaluated.



RESULTS: The folding point was located 42.8 +/- 28.6 mm cranial to the acetabular roof and 35.1 +/- 30.1 mm cranial to the inguinal ligament. As the patient's age increased, the folding point was located more cranially (p < 0.001).



CONCLUSIONS: The folding point during flexion of the hip joint was located 42.8 +/- 28.6 mm cranial to the acetabular roof and 35.1 +/- 30.1 mm cranial to the inguinal ligament. As the patient's age increased, the folding point was located more cranially. When a stent is inserted over this region, more attention may be needed during follow-up to monitor possible occlusion and stent failure.
MeSH terms
Acetabulum/blood supplyAcetabulum/radiographyAdultAge FactorsAgedAngiographyAnthropometryCatheterization, PeripheralFemaleFemoral Artery/anatomy & histology*Femoral Artery/radiographyFluoroscopyHip Joint/blood supply*Hip Joint/physiologyHip Joint/radiographyHumansIliac Artery/anatomy & histology*Iliac Artery/radiographyLigaments, Articular/anatomy & histologyMaleMiddle AgedProspective StudiesRange of Motion, Articular/physiology
DOI
10.1007/s00270-004-0190-6
PMID
15688259
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Radiology
AJOU Authors
원, 제환김, 재근
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