Bone Morphology and Vascular Supply of Pedicled Distal Radius Bone Using Nano-Computed Tomography.

Background: The goal of this study was to use nano-computed tomography to describe the intraosseous vascularity and structural characteristics of commonly used distal radius vascularized bone grafts for treatment of scaphoid nonunion.

Methods: We obtained 8 fresh frozen human cadaver forearm specimens for infusion of barium contrast. Specimens were scanned and segmented to quantify the vascular volume and trabecular density within 3 common graft regions, including 1, 2 intercompartmental supraretinacular artery (1,2 ICSRA), fourth extensor compartment artery (4 ECA), and volar carpal artery (VCA), as well as thirds of the scaphoid.

Optimizing the Use of Operating Rooms by Transitioning Common Hand Surgeries Into the Office Setting.

Purpose: The purpose of this study was to examine the true monetary implications, at the health system level, of moving simple hand procedures, performed with wide-awake local anesthesia no tourniquet surgery, from the ambulatory surgery center (ASC) to office setting.

Methods: We analyzed the costs, revenues, case times, and patient demographics for 2 cohorts of patients who underwent hand and non-hand surgical procedures over a 2-year period. We calculated the mean margin per minute for the top 5 procedures in non-hand orthopedic surgery subgroups, complex plastics hand, and non-hand plastic surgery.

Electrodiagnostic Studies in Degenerative Cervical Myelopathy.

The diagnosis of degenerative cervical myelopathy can generally be made with a thorough history, physical examination, and spinal imaging. Electrodiagnostic studies, consisting of nerve conduction studies and electromyography, are a useful adjunct when the clinical picture is inconsistent or there is concern for overlapping pathology. Electrodiagnostic studies may be particularly helpful in identifying cases of myeloradiculopathy, when there is combined nerve root and spinal cord injury, both with regards to prognosis and guiding surgical treatment.

A global analysis of the impact of COVID-19 stay-at-home restrictions on crime.

The stay-at-home restrictions to control the spread of COVID-19 led to unparalleled sudden change in daily life, but it is unclear how they affected urban crime globally. We collected data on daily counts of crime in 27 cities across 23 countries in the Americas, Europe, the Middle East and Asia. We conducted interrupted time series analyses to assess the impact of stay-at-home restrictions on different types of crime in each city.