Randomized Controlled Trial of Posterior Lumbar Interbody Fusion With Ti- and CaP-Nanocoated Polyetheretherketone Cages: Comparative Study of the 1-Year Radiological and Clinical Outcome.

Background: Polyetheretherketone (PEEK) is a popular material for posterior lumbar interbody fusion (PLIF) cages, although osseointegration remains limited. To optimize PEEK cage characteristics, titanium (Ti) and calcium phosphate (CaP) nanocoatings have been developed with proven mechanical safety. This multicenter randomized controlled trial compared the clinical and radiological outcome parameters of nanocoated and uncoated PEEK cages, up to 1 year after surgery.

Resistance of coated polyetheretherketone lumbar interbody fusion cages against abrasion under simulated impaction into the disc space.

In order to improve osseointegration, polyetheretherketone (PEEK) interbody fusion cages are frequently surface coated. The bonding strength of the coatings is mostly investigated under unrealistic loading conditions. To close this gap, in this study, uncoated and coated cages were loaded in a clinical setup in order to investigate their real resistance against abrasion.

The M6-C Cervical Disk Prosthesis: First Clinical Experience in 33 Patients.

Study Design: Retrospective study.

Objective: To determine the short-term clinical succesrate of the M6-C cervical disk prosthesis in primary and secondary surgery.

Summary Of Background Data: Cervical disk arthroplasty (CDA) provides an alternative to anterior cervical decompression and fusion for the treatment of spondylotic radiculopathy or myelopathy.

Arthroscopic release of suprascapular nerve entrapment at the suprascapular notch: technique and preliminary results.

Purpose: We describe a novel all-arthroscopic technique for suprascapular nerve (SSN) decompression and present our preliminary results for this procedure.

Methods: A prospective series of 10 patients with preoperative electromyographic findings consistent with chronic SSN compression, posterior shoulder pain, and subjective weakness were treated with arthroscopic SSN decompression. There were 8 men and 2 women, with a mean age of 50 years.

Spinal osteotomy in patients with ankylosing spondylitis: complications during first postoperative year.

Study Design: A historic cohort to determine short-term complications after 115 corrective osteotomies of the cervical and lumbar spine in patients with ankylosing spondylitis.

Objectives: To describe the nature of complications of spinal osteotomies and sequelae.

Summary Of Background Data: Little is known about the rate and nature of complications after spinal osteotomy in these patients.

Tricalcium phosphate granules or rigid wedge preforms in open wedge high tibial osteotomy: a radiological study with a new evaluation system.

The capacity of two forms of porous beta-tricalcium phosphate bone substitutes (TCP) to promote bone healing in open wedge high tibial osteotomy (OWHTO) was studied. We reviewed the X-rays of 27 osteotomies, with either TCP wedges or TCP granules as filling material, to compare the bone healing rates and bone remodelling, at specific postoperative intervals. A new radiologic rating system for OWHTO was created and tested for clinical applicability.

The Kudo total elbow arthroplasty in patients with rheumatoid arthritis.

A Kudo total elbow arthroplasty (TEA) was performed in 36 elbows in 35 patients with rheumatoid arthritis. Of those 35, 4 died, 6 prostheses were revised, and 2 were lost to follow-up. Twenty-four elbows with a mean follow-up of 58 months were radiologically and clinically reviewed.