Igor D Gregoric , Matthew T Harting, Roman Kosir, Vijay S Patel, Jus Ksela, Gregory N Messner, Saverio La Francesca, O H FrazierPMID: 16210123 DOI: 10.1016/j.healun.2004.12.109Background: Several studies have shown that percutaneous dilational tracheostomy (PDT) is safe and cost-effective for patients…

Gregory N. Messner, DO, Igor D. Gregoric, MD, Thomas Chu, MD, Branislav Radovancevic, MD, Biswajit Kar, MD, Scott D. Flamm, MD, and O. H. Frazier, MDPMID: 16429899PMCID: PMC1351826Abstract During heart transplantation, the atrial septum is most often used…

Biswajit Kar, MD, Alexander Butkevich, MD, MSc, Andrew B. Civitello, MD, Mohamad A. Nawar, MD, Brian Walton, MD, Gregory N. Messner, DO, Igor D. Gregoric, MD, James Feldman, MD, Timothy J. Myers, BS, Courtney Gemmato, BS, and Reynolds M. Delgado,…

Matthew T. Harting, MD, Gregory N. Messner, DO, Igor D. Gregoric, MD, and O. H. Frazier, MDPMID: 15061635PMCID: PMC387441Abstract Malignant tumors that metastasize to the heart pose a formidable therapeutic challenge. Recent advances in surgical…

Gregory N. Messner, DO, Peter Prendergast, MD, Yasmin Wadia, MD, Thomas Chu, BS, Igor D. Gregoric, MD, Scott D. Flamm, MD, and O. H. Frazier, MDPMID: 15061633 PMCID: PMC387439Free PMC articleAbstract We report a case of congenital absence of…

Gregory N Messner 1, Chayanin Vatcharasiritham, Igor Gregoric, Branislav Radovancevic, Peggy Odegaard, Scott D Flamm, O H FrazierPMID: 14752438 DOI: 10.1016/s0022-5223(03)00129-6Keywords: Pseudoaneurysm of the ascending aorta is a rare but severe complication of cardiac surgery. Most cases occur after coronary…