News Blog (Part 5)

DePuy recalls ASR Hip System due to revision rates

Posted on August 27, 2010

DePuy Orthopaedics Inc., Warsaw, U.S.A., has voluntarily recalled two of its ASR hip replacement components — the ASR XL Acetabular System and the ASR Hip Resurfacing System — due to the rates of revision surgery with them. New, unpublished data from the National Joint Registry of England and Wales (NJR) show a 5-year revision rate of approximately 12% …

Lateral Femoral Cutaneous Nerve Impairment After Direct Anterior Approach for Total Hip Arthroplasty

Posted on July 20, 2010

by Tarun Bhargava, MD; Robin N. Goytia, MD; Lynne C. Jones, PhD; Marc W. Hungerford, MD Abstract The anterior supine approach for total hip arthroplasty (THA) offers the advantage of operating through a true intravascular and intranervous plane, but it places the lateral femoral cutaneous nerve at risk. The purpose …

Platelet-rich plasma: For now, more questions than answers

Posted on July 14, 2010

It is controversial, diverse and potentially revolutionary. But what do we know about it? Though much has been made of treatment involving platelet-rich plasma – from efficacy to formulations, hype, uses and potential – relatively little data exists to firmly support or refute its capabilities. The very nature of platelet-rich plasma (PRP) …

Open surgical biopsy most accurate method for soft tissue mass diagnosis

Posted on May 29, 2010

Open surgical biopsy more accurately identified malignancy, established diagnosis and guided appropriate treatment compared with fine-needle aspiration and core biopsy, according to the results of this Level I study. In their prospective study, Sina Kasraeian, MD, and colleagues at the University of Southern California compared the diagnostic accuracy of three …

Surgery for cervical spondylitic myelopathy offers improvement at 2-years follow-up

Posted on May 4, 2010

PHILADELPHIA — Surgical treatment for cases of mild to severe cervical spondylitic myelopathy has shown objective improvements in generic and disease-specific health outcomes in a large prospective clinical study presented here. “Cervical spondylotic myelopathy is the most common cause of spinal cord impairment, and a significant cause of morbidity,” Michael G. Fehlings, MD, PhD, …

Study identifies new complication linked to rotator cuff repairs using suture bridge technique

Posted on April 26, 2010

Cho NS. Am J Sports Med. 38(4):664-671. April 2010. Korean investigators found that the suture bridge technique for arthroscopic rotator cuff repair yielded good tendon-to-bone healing; however, retears were common in the muscle-tendon junction. In their cohort study, Nam Su Cho, MD, from the Kyung Hee University School of Medicine in …

Uncemented Total Hip Arthroplasty in Patients Younger Than 50 Years: A 6- to 10-Year Follow-up Study

Posted on April 10, 2010

by Tian J. Liang, PhD; Mu Z. You, PhD; Pei F. Xing, MD; Shen Bin, MD; Zhou Zhong Ke, PhD; Yang Jing, MD Abstract Young patients are expected to place increased demands on total hip arthroplasty (THA) because they are more active and have a longer life expectancy. The long-term …

Gender-specific sizing for knee implants: Do the data confirm the need?

Posted on April 1, 2010

J. David Blaha, MD, answers 4 Questions about the data behind the claims and physician and industry responsibilities in promoting devices. This month I have asked J. David Blaha, MD, to share his insight into gender-specific considerations in knee replacement with us. His opinions are based on his research and interpretation of …

Arthrex acquires knee restoration company

Posted on March 25, 2010

Arthrex Inc., of Naples Fla., has recently acquired iBalance Medical of Boulder, Colo., and will begin worldwide marketing of the iBalance HTO System, according to a press release. The iBalance system, designed for proximal tibial opening wedge osteotomy, uses a unique implant placed within the tibia to align the osteotomy …

Treatment protocols for infections, MRSA vary throughout Europe

Posted on March 12, 2010

The potential for surgical site infections and methicillin-resistant Staphylococcus aureus remain at the forefront of surgeons’ minds. While some European orthopaedists note a steady rate of surgical site infections and methicillin-resistant Staphylococcus aureus in their respective countries, others cite these conditions as growing problems and highlight an upward trend in the rates of methicillin-resistant Staphylococcus epidermis cases being seen. …