Calhoon

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BACKGROUND: Given the uncertainty of U.S. healthcare finances, an understanding of reimbursement trends has become increasingly important in the field of cardiac surgery. We aimed to assess Medicare reimbursement trends for common cardiac surgical procedures from 2000-2022. METHODS: Reimbursement data was extracted from the Centers for Medicare and Medicaid Services Physician Fee Schedule Look-Up Tool over the study period for six common cardiac operations: aortic valve replacement (AVR), mitral valve repair (MVr) and replacement (MVR), tricuspid valve replacement (TVR), Bentall procedure, and coronary artery bypass grafting (CABG)...

BACKGROUND: Management of total anomalous pulmonary venous connections has been extensively studied to further improve outcomes. Our institution previously reported factors associated with mortality, recurrent obstruction, and reintervention. The study purpose was to revisit the cohort of patients and evaluate factors associated with reintervention, and mortality in early and late follow-up. METHODS: A retrospective review at our institution identified 81 patients undergoing total anomalous pulmonary venous connection repair from January 2002 to January 2018...

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BACKGROUND: Large serine integrases (LSIs, derived from temperate phages) have been adapted for use in a multipart DNA assembly process in vitro, called serine integrase recombinational assembly (SIRA). The versatility, efficiency, and fidelity of SIRA is limited by lack of a sufficient number of LSIs whose activities have been characterized in vitro. METHODS AND MAJOR RESULTS: In this report, we compared the activities in vitro of 10 orthogonal LSIs to explore their suitability for multiplex SIRA reactions...

BACKGROUND: Prior efforts to capture the cardiothoracic surgery community rely on survey data with potentially biased or low response rates. Our goal is to better understand our community by assessing the membership directories from the Society of Thoracic Surgeons (STS), American Association for Thoracic Surgery (AATS), European Association for Cardiothoracic Surgery (EACTS), and the Asian Society for Cardiovascular and Thoracic Surgery (ASCVTS). METHODS: Membership data was obtained from membership directories...

The ability to associate temporally segregated information and assign positive or negative valence to environmental cues is paramount for survival. Studies have shown that different projections from the basolateral amygdala (BLA) are potentiated following reward or punishment learning1-7 . However, we do not yet understand how valence-specific information is routed to the BLA neurons with the appropriate downstream projections, nor do we understand how to reconcile the sub-second timescales of synaptic plasticity8-11 with the longer timescales separating the predictive cues from their outcomes...

In the era of lifetime management of aortic valve disease, the Ross procedure emerged as an alternative to prosthetic heart valves for young adults; however, more long-term data are warranted. We performed a meta-analysis of reconstructed time-to-event data to compare long-term outcomes between the Ross procedure and mechanical aortic valve replacement (mAVR) in young adults. PubMed/MEDLINE, EMBASE and GoogleScholar were searched for studies comparing Ross procedure with mAVR that reported mortality/survival rates and/or reoperation rates accompanied by at least one Kaplan-Meier curve for any of the outcomes...

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BACKGROUND: Neonates undergoing congenital heart defect repair require optimized nutritional support in the perioperative period. Utilization of a gastrostomy tube is not infrequent, yet optimal timing for placement is ill-defined. The objective of this study was to identify characteristics of patients whose postoperative course included gastrostomy tube placement to facilitate supplemental tube feeding following neonatal repair of congenital heart defects. METHODS: A single-institution, retrospective chart review identified 64 consecutive neonates who underwent cardiac operations from 2012 to 2016...

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Left ventricular aneurysms may be repaired by the linear technique or endoventricular circular patch plasty technique. Choice of technique should be based on the individual patient, including cavity and aneurysm geometry. In this article, we describe the principles underlying decision making with 2 illustrative cases.

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