Total hip replacement —the cause of failure in patients under 50 years old?

ConclusionThe changing trend of early revision due to metal-on-metal failure is important to recognise. Continuous review of the mechanism of primary total hip replacement failure is necessary to ensure the best patient outcome and maximise implant survivorship.
Source: Irish Journal of Medical Science - Category: General Medicine Source Type: research

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A controllable manipulation of the energy distribution of caustic beams possessing rectangular symmetry is presented. The beams are designed from the spectral phase by adding a linear and/or quadratic perturbation having forced symmetry. This approach breaks the overall caustic structure into ...
Source: Optics Letters - Category: Physics Authors: Source Type: research
We demonstrate that a background-free readout of two-photon fluorescence from nitrogen-vacancy (NV) centers in a strongly fluorescing environment can be accomplished by all-optical means via a multiphoton charge-state modulation of NV centers in a mixture of negatively charged and neutral NV ...
Source: Optics Letters - Category: Physics Authors: Source Type: research
We report on the development of the first immersion photoacoustic spectrometer (iPAS) for arcing fault detection in power transformers. The spectrometer consists of a detection system and an all-optical photoacoustic sensing head mounted inside a small permeable chamber where dissolved C_2H_2 ...
Source: Optics Letters - Category: Physics Authors: Source Type: research
Indoor optical wireless communications have been widely studied to provide high-speed connections to users, where the use of repetition-coded (RC) multiple transmitters has been proposed to improve both the system robustness and capacity. To exploit the benefits of the RC system, the multiple ...
Source: Optics Letters - Category: Physics Authors: Source Type: research
In this study, we examine a photonic wire waveguide embedded with an ensemble of quantum dots (QDs) that directionally emits into the waveguide depending on the spin state of the ensemble. The directional emission is facilitated by the spin-orbit interaction of light. The waveguide has a two-step ...
Source: Optics Letters - Category: Physics Authors: Source Type: research
Anesthesia, Sedation, and Pain Control
Source: Clinics in Perinatology - Category: Perinatology & Neonatology Source Type: research
Lucky Jain
Source: Clinics in Perinatology - Category: Perinatology & Neonatology Source Type: research
LUCKY JAIN, MD, MBA
Source: Clinics in Perinatology - Category: Perinatology & Neonatology Source Type: research
ELSEVIER
Source: Clinics in Perinatology - Category: Perinatology & Neonatology Source Type: research
CLINICS IN PERINATOLOGY
Source: Clinics in Perinatology - Category: Perinatology & Neonatology Authors: Source Type: research
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