An Intra-Annular ‘Hemispherical’ Annuloplasty Frame
for Aortic Valve Repair (PDF)
A ‘Hemispherical’ model of aortic valve geometry was developed in which normal human cadaveric aortic valve leaflets could be represented as three hemispheres nested within a cylindrical aorta. By mathematically describing the junction between the leaflets and aorta, the normal three-dimensional annular geometry of the aortic valve could be defined. In this study, a prototype annuloplasty frame based on this model was tested as a repair device in isolated porcine aortic root preparations.
Changing Outcome Characteristics of Multiple Valve Surgery in North America: A 15-Year Perspective and Comparison to Single Valve Procedures (PDF)
Purpose: While results in valvular heart surgery seem to be improving, too few multiple valve cases are available in most centers to appreciate changes in outcome. This study examined trends in national results for multiple valve procedures over the past 15 years, within the context of overall valve surgery. Methods: From 1994 through 2007, 623,039 valve procedures were divided into three 5-year periods and grouped into single aortic (A), mitral (M) and tricuspid (T) operations, along with AM, MT, AT and AMT +/- coronary artery bypass grafting. Pulmonary valve surgery was excluded. Trends in baseline characteristics were documented, and logistic regression analysis adjusted for differences in preoperative patient profiles. Outcomes were expressed as unadjusted operative mortality (UOM), adjusted odds ratios for mortality (AORM) and a composite of mortality and major complications (AORC).
266. Rankin JS, Orozco RE: Mitral valve repair for prolapse using adjustable artificial chordal replacement. Abstract and video presentation at the Clinical Congress, American College of Surgeons, Chicago, IL, October 23, 2003. http://www.jsrmd.com/ftp/1_ACR_ACS.m4v
269. Rankin JS, Orozco RE, Addai TR, Rodgers TL, Tuttle RH, Shaw LK, Glower DD: Several new considerations in mitral valve repair. J Heart Valve Dis 2004;13:399-409.
271. Rankin JS, Orozco RE: Mitral valve repair for Barlow’s syndrome using adjustable artificial chordal replacement. Abstract and video presentation at the Society of Thoracic Surgeons Meeting, January 26, 2004. http://www.jsrmd.com/ftp/34_BACR.m4v
272. Rankin JS, Orozco RE, Alfery DD: Adjustable Artificial Chordal Replacement (ACR) for Repair of Mitral Regurgitation due to Isolated Posterior Leaflet Prolapse. Abstract and video presentation at the Society of Thoracic Surgeons Meeting, January 24, 2005.
http://www.jsrmd.com/ftp/4_PACR.m4v
273. Glower DD, Tuttle RH, Shaw LK, Orozco RE, Rankin JS: Patient survival characteristics after routine mitral valve repair for ischemic mitral regurgitation. Abstract and presentation at the 2004 AATS meeting. J Thorac Cardiovasc Surg: 2005;129:860-868.
274. Rankin JS, Orozco RE, Rodgers TL, Alfery DD, Glower DD: “Adjustable” artificial chordal replacement for repair of mitral valve prolapse. Ann Thorac Surg 2006;81:1526-1528.
276. Glower DD, Tuttle RH, Bashore TM, Harrison JK, Wang A, Gehrig T, Rankin JS: Pure annular dilatation as a cause of mitral regurgitation: A clinically distinct entity of female heart disease. Abstract and presentation at the 2nd AHA conference on heart disease in women, Orlando, FL, 2005. JHVD 2009;18:284-288.
277. Rankin JS, Glower DD, Teichmann TL, Muhlbaier LH, Stratton CW. Immunotherapy for refractory pulmonary infection after adult cardiac surgery: Immune dysregulation syndrome. J Heart Valve Dis 2005;14:783-791.
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