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John calhoon

Catherine M Otto, Dharam J Kumbhani, Karen P Alexander, John H Calhoon, Milind Y Desai, Sanjay Kaul, James C Lee, Carlos E Ruiz, Christina M Vassileva
No abstract text is available yet for this article.
December 21, 2016: Journal of the American College of Cardiology
Emily Nelson, John H Calhoon
No abstract text is available yet for this article.
October 2016: Annals of Thoracic Surgery
Nels D Carroll, Kevin M Beers, Elaine M Maldonado, John H Calhoon, S Adil Husain
Reparative procedures are not always feasible in congenitally abnormal mitral valves. Mechanical prosthesis has been accepted as the choice for valve replacement in the pediatric population. This report describes a case of congenital mitral valve disease requiring mitral valve replacement. The infant's mitral valve annulus was not amenable to placement of the smallest available mechanical prosthesis. The approach used here for annular and subvalvular enlargement facilitated implantation of a larger prosthesis for congenital mitral valve replacement...
September 2016: Annals of Thoracic Surgery
Joseph A Dearani, Jeffrey P Jacobs, R Morton Bolman, JaBaris D Swain, Luca A Vricella, Samuel Weinstein, Emily A Farkas, John H Calhoon
Noncommunicable diseases account for 38 million deaths each year, and approximately 75% of these deaths occur in the developing world. The most common causes include cardiovascular diseases, cancer, respiratory diseases, and diabetes mellitus. Many adults with acquired cardiothoracic disease around the world have limited access to health care. In addition, congenital heart disease is present in approximately 1% of live births and is therefore the most common congenital abnormality. More than one million children in the world are born with congenital heart disease each year, and approximately 90% of these children receive suboptimal care or have no access to care...
September 2016: Annals of Thoracic Surgery
Mark S Allen, John H Calhoon, David Fullerton, Richard Shemin, Keith Naunheim, Edward Verrier, John Doty, Douglas J Mathisen
BACKGROUND: The Joint Council on Thoracic Surgical Education was formed in 2008 to improve cardiothoracic education. Resident learning has been a concern as reflected in declining passing rates on the American Board of Thoracic Surgery examinations. The Joint Council on Thoracic Surgical Education piloted a program to determine whether early exposure to a cardiothoracic curriculum through participation in a board review course would improve learning. The purpose of this paper is to report the results of this project...
April 2016: Annals of Thoracic Surgery
John H Calhoon
No abstract text is available yet for this article.
November 2015: Journal of Thoracic and Cardiovascular Surgery
Bhawna Gupta, Ali Dodge-Khatami, Charles D Fraser, John H Calhoon, Makram R Ebeid, Mary B Taylor, Jorge D Salazar
BACKGROUND: Management of systemic semilunar valve disease in growing, young patients is challenging. When replacement is necessary, use of a pulmonary autograft is sometimes not possible for anatomic, pathologic, or technical reasons or due to parental or patient preference. We employed a stentless, porcine, full-root bioprosthesis in this setting and report our outcomes. METHODS: Over 9 years (2005 to 2013), 24 patients of mean age 13.1 years (range, 3 months to 20...
August 2015: Annals of Thoracic Surgery
Kellen Calinger, Elisabeth Calhoon, Hsiao-Chi Chang, James Whitacre, John Wenzel, Liza Comita, Simon Queenborough
Anthropogenic disturbances often change ecological communities and provide opportunities for non-native species invasion. Understanding the impacts of disturbances on species invasion is therefore crucial for invasive species management. We used generalized linear mixed effects models to explore the influence of land-use history and distance to roads on the occurrence and abundance of two invasive plant species (Rosa multiflora and Berberis thunbergii) in a 900-ha deciduous forest in the eastern U.S.A., the Powdermill Nature Reserve...
2015: PloS One
John H Calhoon, Clint Baisden, Ben Holler, George L Hicks, Ed L Bove, Cameron D Wright, Walter H Merrill, Dave A Fullerton
BACKGROUND: We sought to define an accurate measure of thoracic surgical education costs. METHODS: Program directors from six distinct and differently sized and geographically located thoracic surgical training programs used a common template to provide estimates of resident educational costs. These data were reviewed, clarifying questions or discrepancies when noted and using best estimates when exact data were unavailable. Subsequently, a composite of previously published cost-estimation products was used to capture accurate cost data...
December 2014: Annals of Thoracic Surgery
Amanda L Eilers, Alia N Nazarullah, Edward S Shipper, Jaishree S Jagirdar, John H Calhoon, S Adil Husain
Although inflammatory myofibroblastic tumors (IMTs) can be found in virtually every major organ, cardiac origin is rare. After recently providing care to a child who presented with a significant myocardial infarction, interest in this rare tumor was piqued. We describe a comprehensive review of cardiac IMT, including information on nomenclature, epidemiology, clinical features, pathogenesis, gross/histological features, immunohistochemical profile, diagnosis, treatment, and prognosis. Fifty-seven cases were identified in the literature...
October 2014: World Journal for Pediatric & Congenital Heart Surgery
S Adil Husain, Sara K Pasquali, Jeffrey P Jacobs, Kevin D Hill, Sunghee Kim, Lauren C Kane, John H Calhoon, Marshall L Jacobs
BACKGROUND: Geographic variations associated with surgical intervention for congenital heart disease are ill defined. This study uses a large clinical registry to assess frequency of surgical intervention for various infant congenital heart diseases overall and across US geographic regions. METHODS: Patients younger than 1 year of age in the Society of Thoracic Surgeons Congenital Heart Surgery Database (January 2010 through June 2012) were included. Index operations were classified on the basis of seven major diagnostic groups and 10 specific diagnoses and were compared across geographic regions using a χ(2) test...
September 2014: Annals of Thoracic Surgery
Amir H Lebastchi, John J Tackett, Michael Argenziano, John H Calhoon, Mario G Gasparri, Michael E Halkos, George L Hicks, Mark D Iannettoni, John S Ikonomidis, Patrick M McCarthy, Sandra L Starnes, Betty C Tong, David D Yuh
OBJECTIVE: The recently implemented integrated 6-year (I-6) format represents a significant change in cardiothoracic surgical residency training. We report the results of the first nationwide survey assessing I-6 program directors' impressions of this new format. METHODS: A 28-question web-based survey was distributed to program directors of all 24 Accreditation Council for Graduate Medical Education-accredited I-6 training programs in November 2013. The response rate was a robust 67%...
August 2014: Journal of Thoracic and Cardiovascular Surgery
Richard Lee, Daniel Enter, Xiaoying Lou, Richard H Feins, George L Hicks, Mario Gasparri, Hiroo Takayama, J Nilas Young, John H Calhoon, Fred A Crawford, Nahush A Mokadam, James I Fann
BACKGROUND: Barriers to incorporation of simulation in cardiothoracic surgery training include lack of standardized, validated objective assessment tools. Our aim was to measure interrater reliability and internal consistency reliability of a coronary anastomosis assessment tool created by the Joint Council on Thoracic Surgery Education. METHODS: Ten attending surgeons from different cardiothoracic residency programs evaluated nine video recordings of 5 individuals (1 medical student, 1 resident, 1 fellow, 2 attendings) performing coronary anastomoses on two simulation models, including synthetic graft task station (low fidelity) and porcine explant (high fidelity), as well as in the operative setting...
June 2013: Annals of Thoracic Surgery
Xiaoying Lou, Daniel Enter, Luke Sheen, Katherine Adams, Carolyn E Reed, Patrick M McCarthy, John H Calhoon, Edward D Verrier, Richard Lee
BACKGROUND: Given declining interest in cardiothoracic (CT) training programs during the last decade, increasing emphasis has been placed on engaging candidates early in their training. We examined the effect of supervised and unsupervised practice on medical students' interest in CT surgery. METHODS: Forty-five medical students participated in this study. Participants' interest level in surgery, CT surgery, and simulation were collected before and after a pretest session...
June 2013: Annals of Thoracic Surgery
Sarah T Ward, Danielle Smith, Adin-Cristian Andrei, George L Hicks, Richard J Shemin, John H Calhoon, Carolyn Reed, Edward D Verrier, David A Fullerton, Richard Lee
BACKGROUND: Traditionally, cardiothoracic residency programs are 2 or 3 years in length and require the completion of a general surgery residency. Six-year integrated programs (IP) that directly match fourth-year medical students have been recently developed. Our objective was to examine the curricula of traditional 2-year (T2) and 3-year (T3) programs and compare them to the curricula of IP. METHODS: We requested curricula from the directors of all IP, T2, and T3 programs participating in the 2011 to 2012 match...
June 2013: Annals of Thoracic Surgery
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