AdventHealth Tampa

Optimal Sharpe Ratio Portfolios and the Role of Perfect Foresight in Returns, Volatilities, and Correlations

Using 50 years of monthly data on the 1,000 largest US equities, this article examines the relative importance of security selection, volatility, and correlations in determining portfolio efficiency. We introduce the Optimal Sharpe Ratio (OSR) portfolio, a boundary-condition fram...

The robotic PIANO: a critical narrative review of surgeon-controlled operative polyphony, human factors, and robotic training

Abstract Robotic surgery can concentrate control of several technical functions at the console, but such concentration does not itself confer clinical independence, reduce dependence on the perioperative team, or improve patient outcomes. We define surgeon-controlled operative po...

Upper-Body Versus Femoral Return in Peripheral Veno-Arterial Extracorporeal Membrane Oxygenation: A Systematic Review and Meta-analysis

Upper-body peripheral arterial return is used during veno-arterial extracorporeal membrane oxygenation (VA-ECMO), but its clinical tradeoffs versus femoral return are uncertain. We reviewed observational studies comparing upper-body to femoral arterial return for peripheral VA-EC...