New Arthroplasty Study Results Reported from Korea University (Monolithic Dual Mobility Cup Total Hip Arthroplasty Has High Complication Rates With Surgical Fixation In Elderly With Femur Neck Fracture)

2020 DEC 28 (NewsRx) -- By a News Reporter-Staff News Editor at South Korea Daily Report -- Research findings on Surgery - Arthroplasty are discussed in a new report. According to news reporting out of Seoul, South Korea, by NewsRx editors, research stated, “This study is prospectively conducted to evaluate surgical complications of monolithic dual mobility cup total hip arthroplasty (THA) in elderly patients with fractured neck of the femur. Ninety-seven patients (97 hips) with displaced femoral neck fracture who gave informed consent for participation were prospectively enrolled.”

Our news journalists obtained a quote from the research from Korea University, “Their mean age was 76.6 years (range, 60-95 years), and the mean bone mineral density T-score of neck of the femur was -2.8 (range, -1.2 to -5.5). All patients underwent THA with monolithic dual mobility cup, and computed tomography scans were obtained to evaluate radiographic parameters including anteversion, inclination, and loosening of acetabular cups, and periprosthetic acetabular fractures. With regard to cup orientation, mean inclination angle was 40.2 degrees (range, 23.5 degrees-63 degrees) and mean anteversion was 32.6 degrees (range, 7 degrees-66.2 degrees). The proportion of surgical outliers was 10.3% (10/97) in inclination and 35.1% (34/97) in anteversion. Early cup loosening within 2 weeks was detected in 2 hips. Periprosthetic acetabular fractures were identified in 6 hips (6/97, 6.2%). Of the 6 fractures, 5 nondisplaced fractures were healed with conservative management, but 1 fracture with displacement eventually led to cup loosening and the patient underwent revision surgery. Reoperation rate of the monolithic dual mobility cup was 4.1% (4/97).”

According to the news editors, the research concluded: “The use of the monolithic dual mobility was associated with improper cup fixation and periprosthetic acetabular fractures in the elderly with poor bone stock, although the dual mobility cup lowered the risk of early dislocation after THA.”

This research has been peer-reviewed.

For more information on this research see: Monolithic Dual Mobility Cup Total Hip Arthroplasty Has High Complication Rates With Surgical Fixation In Elderly With Femur Neck Fracture. The Journal of Arthroplasty, 2020;35(12):3621-3626. The Journal of Arthroplasty can be contacted at: Churchill Livingstone Inc Medical Publishers, Curtis Center, Independence Square West, Philadelphia, PA 19106-3399, USA.

Our news journalists report that additional information may be obtained by contacting Sang-Min Kim, Korea University, Guro Hospital, Dept. of Orthopedic Surgery, College of Medicine, 148 Gurodong Ro, Seoul 08308, South Korea. Additional authors for this research include P. D. Sunilkumar, Kwang-Jun Oh and Hyun-Woo Cho.

The direct object identifier (DOI) for that additional information is: https://doi.org/10.1016/j.arth.2020.06.091. This DOI is a link to an online electronic document that is either free or for purchase, and can be your direct source for a journal article and its citation.

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