Timing of Repair in Postinfarction Ventricular Septal Defect.

The optimal timing of postinfarction ventricular septal defect (PI-VSD) repair is subject to debate. Patients with ventricular septal defect (VSD) and ST-elevation myocardial infarction (STEMI) were queried using appropriate International Classification of Diseases, Ninth and Tenth Revision Clinical Modification codes from the National Inpatient Sample (2003 to 2018). VSD repair was identified using appropriate International Classification of Diseases, Ninth and Tenth Revision Procedure Coding System codes.

Surgical management of garre's osteomyelitis in an 8-year-old child.

Chronic non-suppurative osteomyelitis, also known as Garre's osteomyelitis is a well-described pathologic entity in dental literature. We present here a case report of a unilateral hard bony swelling of the lower jaw associated with infection. Radiograph revealed the pathognomic feature of 'onion skin' appearance.

Automated accurate lumen segmentation using L-mode interpolation for three-dimensional intravascular optical coherence tomography.

Intravascular optical coherence tomography (IVOCT) lumen-based computational flow dynamics (CFD) enables physiologic evaluations such as of the fractional flow reserve (FFR) and wall sheer stress. In this study, we developed an accurate, time-efficient method for extracting lumen contours of the coronary artery. The contours of cross-sectional images containing wide intimal discontinuities due to guide wire shadowing and large bifurcations were delineated by utilizing the natural longitudinal lumen continuity of the arteries.

Wireless optical power transfer system by spatial wavelength division and distributed laser cavity resonance.

A novel wireless optical power transfer (WOPT) system using diverging angular dispersion and spatially distributed laser cavity resonance is proposed. In the transmitter, a diffraction grating spatially disperses the broadband light from a semiconductor optical amplifier. Receiving units spread across a wide field of view are embedded with retroreflecting beam splitters that reflect the incident beam back to the transmitter, thereby completing multiple resonant cavities.

Low-cost Gaussian beam profiling with circular irises and apertures.

The fundamental Gaussian TEM mode is the most common mode of propagation within various optical devices, modules, and systems. Beam profilers are widely used in accurately ascertaining the cross-sectional irradiance profile of a TEM mode for free-space optical communication systems as well as tracking beam evolution when propagating within optical submodules. We demonstrate beam profiling methods that use low-cost, off-the-shelf, widely available circular apertures such as circular irises and spatial filters.