Biomaterial Database

A new method for the measurement of anteversion of the acetabular cup after total hip arthroplasty. 2014

Mehmet Aydogan, and Halil Burç, and Gursel Saka

Bosphorus Spine Center, Çakmak Mh Tavukçuyolu cd Ağaoğlu MY City B2 D2932 Umraniye, Istanbul, Turkey, maydogan50@hotmail.com.

OBJECTIVE Many methods of determining the anteversion of the acetabular cup have been described in the literature. The advantages and disadvantages of each of these methods are discussed in this paper. We present a new method of measuring the acetabular anteversion at the anteroposterior hip. METHODS The formula designed by the authors was anteversion angle (α) = arc sin |PK|/√ |AK| × |BK|. The formula was tested using the AutoCAD software, and an experimental study was conducted to evaluate the accuracy. Three groups were created, and 16 X-ray images were taken and coded. Ten orthopaedic surgeons measured the acetabular anteversion from these X-rays using our formula. RESULTS The results in Group 1 were closer to the actual value; in contrast, the results in Group 2 differed from the actual values. The results in Group 3 were as close to the actual anteversion values as were those in Group 1. CONCLUSIONS Developments in technology often bring an increase in complications. Despite newly developed surgical methods and technology, the position of the acetabular cup is still used to determine the results of a total hip arthroplasty. Our method is simple, cost-effective and achieves almost 100 % accuracy.

UI	MeSH Term	Description	Entries
D011183	Postoperative Complications	Pathologic processes that affect patients after a surgical procedure. They may or may not be related to the disease for which the surgery was done, and they may or may not be direct results of the surgery.	Complication, Postoperative,Complications, Postoperative,Postoperative Complication
D011859	Radiography	Examination of any part of the body for diagnostic purposes by means of X-RAYS or GAMMA RAYS, recording the image on a sensitized surface (such as photographic film).	Radiology, Diagnostic X-Ray,Roentgenography,X-Ray, Diagnostic,Diagnostic X-Ray,Diagnostic X-Ray Radiology,X-Ray Radiology, Diagnostic,Diagnostic X Ray,Diagnostic X Ray Radiology,Diagnostic X-Rays,Radiology, Diagnostic X Ray,X Ray Radiology, Diagnostic,X Ray, Diagnostic,X-Rays, Diagnostic
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000077	Acetabulum	The part of the pelvis that comprises the pelvic socket where the head of FEMUR joins to form HIP JOINT (acetabulofemoral joint).	Acetabula,Cotyloid Cavity,Acetabulas,Acetabulums,Cavities, Cotyloid,Cavity, Cotyloid,Cotyloid Cavities
D017076	Computer-Aided Design	The use of computers for designing and/or manufacturing of anything, including drugs, surgical procedures, orthotics, and prosthetics.	CAD-CAM,Computer-Aided Manufacturing,Computer-Assisted Design,Computer-Assisted Manufacturing,Computer Aided Design,Computer Aided Manufacturing,Computer Assisted Design,Computer Assisted Manufacturing,Computer-Aided Designs,Computer-Assisted Designs,Design, Computer-Aided,Design, Computer-Assisted,Designs, Computer-Aided,Designs, Computer-Assisted,Manufacturing, Computer-Aided,Manufacturing, Computer-Assisted
D055641	Mathematical Concepts	Numeric or quantitative entities, descriptions, properties, relationships, operations, and events.	Concept, Mathematical,Concepts, Mathematical,Mathematical Concept
D060750	Bone Anteversion	Malalignment of a bone in which its head and neck is rotated excessively forward or inward.	Bone Antetorsion,Antetorsion, Bone,Antetorsions, Bone,Anteversion, Bone,Anteversions, Bone,Bone Antetorsions,Bone Anteversions
D019644	Arthroplasty, Replacement, Hip	Replacement of the hip joint.	Hip Prosthesis Implantation,Hip Replacement, Total,Total Hip Arthroplasty,Arthroplasties, Hip Replacement,Arthroplasties, Replacement, Hip,Arthroplasty, Hip Replacement,Hip Replacement Arthroplasties,Hip Replacement Arthroplasty,Replacement Arthroplasties, Hip,Replacement Arthroplasty, Hip,Replacement, Total Hip,Total Hip Replacement,Arthroplasty, Total Hip,Hip Arthroplasty, Total,Hip Prosthesis Implantations,Implantation, Hip Prosthesis,Prosthesis Implantation, Hip,Total Hip Arthroplasties,Total Hip Replacements