Researchers reviewed the MRI images of 70 patients who ultimately underwent revision surgery for a failed MoM implant. The images were assessed for the presence of tissue damage, swelling and other characteristics.
The study found that an MRI is highly sensitive and specific to identifying tissue damage in MoM total hip replacement (THR) patients. Early identification of at-risk patients can result in timely revision surgery, when necessary, decreasing pain and future damage to surrounding hip tissue.
Also today at the 2013 AAOS Annual meeting, the educational session "Optimizing Management of Patients with Metal-on-metal Hips," featured seven orthopaedic experts discussing the identification and treatment of MoM hip failure.
In December 2012, the Academy issued an Information Statement on Metal-on-metal Hip Arthroplasty (replacement) recommending a "low threshold" for commencing the evaluation of a patient with an MoM hip replacement, as "early recognition and diagnosis will facilitate the initiation of appropriate treatment prior to significant adverse biological reactions." The statement also provides a detailed overview of various diagnostic and treatment methods to limit patient discomfort, and outlines when to quickly initiate treatment, and if necessary revision.Read more about AAOS: http://www.aaos.org
For more information on bone and joint health, visit Orthoinfo.org.
Finnish research group discovers a new immune system regulator
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Minimising risks of transplants
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A newly developed laser technology has enabled physicists in the Laboratory for Attosecond Physics (jointly run by LMU Munich and the Max Planck Institute of Quantum Optics) to generate attosecond bursts of high-energy photons of unprecedented intensity. This has made it possible to observe the interaction of multiple photons in a single such pulse with electrons in the inner orbital shell of an atom.
In order to observe the ultrafast electron motion in the inner shells of atoms with short light pulses, the pulses must not only be ultrashort, but very...
A group of researchers led by Andrea Cavalleri at the Max Planck Institute for Structure and Dynamics of Matter (MPSD) in Hamburg has demonstrated a new method enabling precise measurements of the interatomic forces that hold crystalline solids together. The paper Probing the Interatomic Potential of Solids by Strong-Field Nonlinear Phononics, published online in Nature, explains how a terahertz-frequency laser pulse can drive very large deformations of the crystal.
By measuring the highly unusual atomic trajectories under extreme electromagnetic transients, the MPSD group could reconstruct how rigid the atomic bonds are...
Quantum computers may one day solve algorithmic problems which even the biggest supercomputers today can’t manage. But how do you test a quantum computer to...
For the first time, a team of researchers at the Max-Planck Institute (MPI) for Polymer Research in Mainz, Germany, has succeeded in making an integrated circuit (IC) from just a monolayer of a semiconducting polymer via a bottom-up, self-assembly approach.
In the self-assembly process, the semiconducting polymer arranges itself into an ordered monolayer in a transistor. The transistors are binary switches used...
Breakthrough provides a new concept of the design of molecular motors, sensors and electricity generators at nanoscale
Researchers from the Institute of Organic Chemistry and Biochemistry of the CAS (IOCB Prague), Institute of Physics of the CAS (IP CAS) and Palacký University...
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23.02.2018 | Physics and Astronomy