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El-Nashar H, Sabry M, Tseng YT, Francis N, Latif N, Parker KH, Moore JE, Yacoub MH. Multiscale structure and function of the aortic valve apparatus. Physiol Rev 2024; 104:1487-1532. [PMID: 37732828 DOI: 10.1152/physrev.00038.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 08/30/2023] [Accepted: 09/01/2023] [Indexed: 09/22/2023] Open
Abstract
Whereas studying the aortic valve in isolation has facilitated the development of life-saving procedures and technologies, the dynamic interplay of the aortic valve and its surrounding structures is vital to preserving their function across the wide range of conditions encountered in an active lifestyle. Our view is that these structures should be viewed as an integrated functional unit, here referred to as the aortic valve apparatus (AVA). The coupling of the aortic valve and root, left ventricular outflow tract, and blood circulation is crucial for AVA's functions: unidirectional flow out of the left ventricle, coronary perfusion, reservoir function, and support of left ventricular function. In this review, we explore the multiscale biological and physical phenomena that underlie the simultaneous fulfillment of these functions. A brief overview of the tools used to investigate the AVA, such as medical imaging modalities, experimental methods, and computational modeling, specifically fluid-structure interaction (FSI) simulations, is included. Some pathologies affecting the AVA are explored, and insights are provided on treatments and interventions that aim to maintain quality of life. The concepts explained in this article support the idea of AVA being an integrated functional unit and help identify unanswered research questions. Incorporating phenomena through the molecular, micro, meso, and whole tissue scales is crucial for understanding the sophisticated normal functions and diseases of the AVA.
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Affiliation(s)
- Hussam El-Nashar
- Aswan Heart Research Centre, Magdi Yacoub Foundation, Cairo, Egypt
- Department of Bioengineering, Imperial College London, London, United Kingdom
| | - Malak Sabry
- Aswan Heart Research Centre, Magdi Yacoub Foundation, Cairo, Egypt
- Department of Biomedical Engineering, King's College London, London, United Kingdom
| | - Yuan-Tsan Tseng
- Heart Science Centre, Magdi Yacoub Institute, London, United Kingdom
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Nadine Francis
- Aswan Heart Research Centre, Magdi Yacoub Foundation, Cairo, Egypt
- Department of Bioengineering, Imperial College London, London, United Kingdom
| | - Najma Latif
- Heart Science Centre, Magdi Yacoub Institute, London, United Kingdom
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Kim H Parker
- Department of Bioengineering, Imperial College London, London, United Kingdom
| | - James E Moore
- Department of Bioengineering, Imperial College London, London, United Kingdom
| | - Magdi H Yacoub
- Aswan Heart Research Centre, Magdi Yacoub Foundation, Cairo, Egypt
- Heart Science Centre, Magdi Yacoub Institute, London, United Kingdom
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
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Jarral OA, Jensen CW, Doberne JW, Downey PS, Serfas JD, Vekstein AM, Hughes GC. Mid-term outcomes of aortic valve repair using an anatomically shaped internal annuloplasty ring. Eur J Cardiothorac Surg 2023; 64:ezad395. [PMID: 38006340 DOI: 10.1093/ejcts/ezad395] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 11/09/2023] [Accepted: 11/24/2023] [Indexed: 11/27/2023] Open
Abstract
OBJECTIVES The Hemispherical Aortic Annuloplasty Reconstructive Technology (HAART) ring is a rigid, internal and geometric device. The objective of this article is to assess the mid-term outcomes of aortic valve repair (AVr) using this prosthesis. METHODS A prospectively maintained database was used to obtain outcomes for adult patients undergoing AVr using the HAART ring between September 2017 and June 2023. All aortic patients at our institution undergo life-long surveillance with regular assessment and valve imaging. RESULTS Seventy-one patients underwent AVr using the HAART device: 53 had a trileaflet valve and 18 a bicuspid valve. The median age was 54 years, and most were male (79%). Many required concomitant intervention: 46% had a root procedure and 77% an arch repair. There were no in-hospital deaths, and the median postoperative stay was 5 days. At a mean follow-up of 3.9 (±1.1) years, freedom from reoperation was 94%. Late imaging demonstrated: zero trace (25%), 1+ (54%), 2+ (15%) and 4+ (6%) aortic insufficiency (AI). Eleven patients have ≥moderate AI under surveillance, all of whom have a trileaflet valve (21% of trileaflet patients). Four patients required reoperation: 3 for ring dehiscence and 1 for endocarditis. CONCLUSIONS Although early results using the HAART device are encouraging, mid-term results raise concern as 21% of trileaflet patients developed recurrent ≥moderate AI by 4 years post-repair. We experienced 3 incidences of ring dehiscence requiring reoperation. Based on this, we recommend caution using the sub-annular approach for stabilization in patients with trileaflet aortic valves. Long-term results are needed to assess outcomes against established techniques.
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Affiliation(s)
- Omar A Jarral
- Division of Cardiovascular and Thoracic Surgery, Duke University Medical Center, Durham, NC, USA
| | - Christopher W Jensen
- Division of Cardiovascular and Thoracic Surgery, Duke University Medical Center, Durham, NC, USA
| | - Julie W Doberne
- Division of Cardiovascular and Thoracic Surgery, Duke University Medical Center, Durham, NC, USA
| | - Peter S Downey
- Division of Cardiovascular and Thoracic Surgery, Duke University Medical Center, Durham, NC, USA
| | - J D Serfas
- Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, NC, USA
| | - Andrew M Vekstein
- Division of Cardiovascular and Thoracic Surgery, Duke University Medical Center, Durham, NC, USA
| | - G Chad Hughes
- Division of Cardiovascular and Thoracic Surgery, Duke University Medical Center, Durham, NC, USA
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Ehrlich T, Hagendorff A, Abeln K, Froede L, Giebels C, Schäfers HJ. Aortic cusp abnormalities in patients with trileaflet aortic valve and root aneurysm. HEART (BRITISH CARDIAC SOCIETY) 2022; 109:55-62. [PMID: 35803710 DOI: 10.1136/heartjnl-2022-320905] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 06/09/2022] [Indexed: 02/04/2023]
Abstract
BACKGROUND The frequency of concomitant cusp pathology in aortic root aneurysm with or without aortic regurgitation is not well known, and the sensitivity and specificity of two-dimensional trans-oesophageal echocardiography (2D TEE) in its detection has not yet been specified. OBJECTIVES We analysed the type and frequency of concomitant cusp alterations in root aneurysm referred for surgery. Sensitivity and specificity of 2D TEE in detecting these alterations were determined. METHODS In 582 patients (age 56.8±15.4 years, 453 male) with trileaflet aortic valves undergoing root replacement for regurgitation (n=347) or aneurysm (n=235), details of valve morphology were analysed. In a subcohort (n=281), intraoperative TEEs were analysed retrospectively and correlated with the intraoperative findings. RESULTS Any cusp pathology was present in 90.9% (prolapse: n=473; retraction: n=30; calcification: n=14; fenestration: n=12), morphologically normal cusps were seen in only 52 patients (8.93%). Valve-sparing surgery was performed in 525 (90.2%) instances, composite replacement in 57 (9.8%). Preoperative TEE correctly identified any postroot repair prolapse in 70.6% and any retraction in 85%. The sensitivity of TEE in detecting any prolapse was 68.6% (specificity of 79.5%). The sensitivity was highest for the right cusp and intermediate for the non-coronary. CONCLUSIONS Cusp prolapse is frequent in root aneurysm and trileaflet aortic valves. Prolapse is underdiagnosed by 2D TEE in many cases because pre-existent stretching of cusp tissue is masked by the geometric effects of root dilatation.
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Affiliation(s)
- Tristan Ehrlich
- Department of Thoracic and Cardiovascular Surgery, Saarland University Medical Center, Homburg, Germany
| | | | - Karen Abeln
- Department of Thoracic and Cardiovascular Surgery, Saarland University Medical Center, Homburg, Germany
| | - Lennart Froede
- Department of Thoracic and Cardiovascular Surgery, Saarland University Medical Center, Homburg, Germany
| | - Christian Giebels
- Department of Thoracic and Cardiovascular Surgery, Saarland University Medical Center, Homburg, Germany
| | - Hans-Joachim Schäfers
- Department of Thoracic and Cardiovascular Surgery, Saarland University Medical Center, Homburg, Germany
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Zhu Y, Park MH, Imbrie-Moore A, Wilkerson R, Madira S, Woo YJ. Biomechanical evaluation of aortic regurgitation from cusp prolapse using an ex vivo 3D-printed commissure geometric alignment device. J Cardiothorac Surg 2022; 17:303. [PMID: 36496476 PMCID: PMC9737730 DOI: 10.1186/s13019-022-02049-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 11/27/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Aortic regurgitation (AR) is one of the most common cardiac valvular diseases, and it is frequently caused by cusp prolapse. However, the precise relationship of commissure position and aortic cusp prolapse with AR is not fully understood. In this study, we developed a 3D-printed commissure geometric alignment device to investigate the effect of commissure height and inter-commissure angle on AR and aortic cusp prolapse. METHODS Three porcine aortic valves were explanted from hearts obtained from a meat abattoir and were mounted in the commissure geometric alignment device. Nine commissure configurations were tested for each specimen, exploring independent and concurrent effects of commissure height and inter-commissure angle change on AR and aortic cusp prolapse. Each commissure configuration was tested in our 3D printed ex vivo left heart simulator. Hemodynamics data, echocardiography, and high-speed videography were obtained. RESULTS AR due to aortic cusp prolapse was successfully generated using our commissure geometric alignment device. Mean aortic regurgitation fraction measured for the baseline, high commissure, low commissure, high commissure and wide inter-commissure angle, high commissure and narrow inter-commissure angle, low commissure and wide inter-commissure angle, low commissure and narrow inter-commissure angle, wide commissure, and narrow commissure configurations from all samples were 4.6 ± 1.4%, 9.7 ± 3.7%, 4.2 ± 0.5%, 11.7 ± 5.8%, 13.0 ± 8.5%, 4.8 ± 0.9%, 7.3 ± 1.7%, 5.1 ± 1.2%, and 7.1 ± 3.1%, respectively. CONCLUSIONS AR was most prominent when commissure heights were changed from their native levels with concomitant reduced inter-commissure angle. Findings from this study provide important evidence demonstrating the relationship between commissure position and aortic cusp prolapse and may have a significant impact on patient outcomes after surgical repair of aortic valves.
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Affiliation(s)
- Yuanjia Zhu
- Department of Cardiothoracic Surgery, Stanford University School of Medicine, 300 Pasteur Drive, Falk Cardiovascular Research Center, Stanford, CA, 94305, USA
- Department of Bioengineering, Stanford University, Stanford, USA
| | - Matthew H Park
- Department of Cardiothoracic Surgery, Stanford University School of Medicine, 300 Pasteur Drive, Falk Cardiovascular Research Center, Stanford, CA, 94305, USA
- Department of Mechanical Engineering, Stanford University, Stanford, USA
| | - Annabel Imbrie-Moore
- Department of Cardiothoracic Surgery, Stanford University School of Medicine, 300 Pasteur Drive, Falk Cardiovascular Research Center, Stanford, CA, 94305, USA
- Department of Mechanical Engineering, Stanford University, Stanford, USA
| | - Robert Wilkerson
- Department of Cardiothoracic Surgery, Stanford University School of Medicine, 300 Pasteur Drive, Falk Cardiovascular Research Center, Stanford, CA, 94305, USA
| | - Sarah Madira
- Department of Cardiothoracic Surgery, Stanford University School of Medicine, 300 Pasteur Drive, Falk Cardiovascular Research Center, Stanford, CA, 94305, USA
| | - Y Joseph Woo
- Department of Cardiothoracic Surgery, Stanford University School of Medicine, 300 Pasteur Drive, Falk Cardiovascular Research Center, Stanford, CA, 94305, USA.
- Department of Bioengineering, Stanford University, Stanford, USA.
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5
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Nakamura Y, Burkhart HM. Sinus of Valsalva aneurysm: Defining the optimal approach. J Card Surg 2022; 37:4456-4458. [PMID: 36259697 DOI: 10.1111/jocs.17060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 10/05/2022] [Indexed: 01/06/2023]
Abstract
Sinus of Valsalva aneurysm (SVA) is relatively rare, especially in Western countries, and reports on long-term results after surgical SVA repair in a sizable patient cohort are scarce. In this issue of the Journal of Cardiac Surgery, Chaganti and colleagues publish their surgical experience over the past 30 years in 216 patients with SVA. SVAs were closed via a dual approach, with (1) patch closure (80%) or direct closure (20%) of the base of the fistula through aortotomy and (2) direct closure of the ruptured tip through the chamber of rupture. Aortic valve replacement (9.7%) or repair (6.5%) was performed for moderate to severe aortic regurgitation (AR). There was no hospital mortality. During a mean follow-up of 10 years, no patient had residual/recurrent shunting. The actual survival at 10 years was 99%, with only two deaths. Freedom from moderate or severe AR was 98.5% at 10 years. Early and long-term results after surgical repair of SVA were excellent in their 216 patients with a mean follow-up of 10 years. Their dual approach for SVA was effective in preventing residual/recurrent shunting. The need for AVR in 10% of the patients speaks to the importance of follow-up. The current report provides strong support for surgical repair being the preferred management for SVA.
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Affiliation(s)
- Yuki Nakamura
- Division of Cardiovascular and Thoracic Surgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Harold M Burkhart
- Division of Cardiovascular and Thoracic Surgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
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Gerdisch MW, Reece TB, Emerson D, Downey RS, Blossom GB, Singhal A, Baker JN, Fischlein TJ, Badhwar V. Early results of geometric ring annuloplasty for bicuspid aortic valve repair during aortic aneurysm surgery. JTCVS Tech 2022; 14:55-65. [PMID: 35967205 PMCID: PMC9367630 DOI: 10.1016/j.xjtc.2022.03.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 03/02/2022] [Accepted: 03/30/2022] [Indexed: 12/04/2022] Open
Abstract
Objectives Geometric ring annuloplasty has shown promise during bicuspid aortic valve repair for aortic insufficiency. This study examined early outcomes of bicuspid aortic valve repair associated with proximal aortic aneurysm replacement. Methods From September 2017 to November, 2021, 127 patients underwent bicuspid aortic valve repair with concomitant proximal aneurysm reconstruction. Patient age was 50.6 ± 12.7 years (mean ± standard deviation), male gender was 83%, New York Heart Association Class was 2 (1-2) (median [interquartile range]), and preoperative aortic insufficiency grade was 3 (2-4). Ascending aortic diameter was 50 (46-54) mm, and all patients had ascending aortic replacement. Forty patients had sinus diameters greater than 45 mm, prompting remodeling root procedures. A total of 105 patients had Sievers type 1 valves, 3 patients had type 0, and 7 patients had type 2. A total of 118 patients had primarily right/left fusion, 8 patients had right/nonfusion, and 1 patient had left/nonfusion. Leaflet reconstruction used central leaflet plication and cleft closure, with limited ultrasonic decalcification in 31 patients. Results Ring size was 23 (21-23) mm, and 26 of 40 root procedures were selective nonfused sinus replacements. Aortic clamp time was 139 (112-170) minutes, and bypass time was 178 (138-217) minutes. Postrepair aortic insufficiency grade was 0 (0-0) (P < .0001), and mean valve gradient was 10 (7-14) mm Hg. No early and 1 late mortality occurred. Four patients required reoperation for bleeding, and 4 patients required pacemakers. At a mean follow-up of 20 months (maximal 93), there were no valve-related complications, 5 late repair failures prompting valve replacement, and 1 death due to Coronavirus Disease 2019. Conclusions Geometric ring annuloplasty for bicuspid aortic valve repair with proximal aortic aneurysm reconstruction is safe and associated with good early outcomes. Further experience and follow-up will help inform long-term durability.
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Affiliation(s)
- Marc W. Gerdisch
- Department of Cardiac Surgery, Franciscan Health Indianapolis, Indianapolis, Ind
- Address for reprints: Marc W. Gerdisch, MD, Department of Cardiac Surgery, Franciscan Health Indianapolis, Indianapolis, IN 46237.
| | - T. Brett Reece
- Department of Cardiac Surgery, University of Colorado, Aurora, Colo
| | - Dominic Emerson
- Department of Cardiac Surgery, Cedars Sinai Medical Center, Los Angeles, Calif
| | - Richard S. Downey
- Department of Cardiac Surgery, University of Michigan, Muskegon, Mich
| | - Geoffrey B. Blossom
- Department of Cardiac Surgery, Ohio Health Riverside Methodist Hospital, Columbus, Ohio
| | - Arun Singhal
- Department of Cardiac Surgery, University of Iowa, Iowa City, Iowa
| | - Joshua N. Baker
- Department of Cardiac Surgery, Missouri Baptist Hospital, St Louis, Mo
| | - Theodor J.M. Fischlein
- Department of Cardiac Surgery, Klinikum Nürnberg, Paracelsus Medical University, Nürnberg, Germany
| | - Vinay Badhwar
- Department of Cardiac Surgery, West Virginia University, Morgantown, WVa
| | - BAVr Working GroupTrentoAlfredoaChikweJoannaaWeiLawrence M.bGlotzbachJason P.cJamesTimothy W.dQuinnReed D.eWolfeJ. AlanfYamaneKentarogCopeJeffrey T.gSolemaniBehzadgTakayamaHiroohRodriguezVictor M.iMurashitaTakashijVoellerRochus K.kSiMing-SinglLevackMelissamBurkeChris R.nMoonMarc R.oKraevAlexanderpJasinskiMarek J.qStavridisGeorgiosrRankinJ. ScottbCedars Sinai Medical Center, Los Angeles, CalifWest Virginia University, Morgantown, WVaUniversity of Utah, Salt Lake City, UtahSt Joseph's Medical Center, Tacoma, WashMaine Medical Center, Portland, MaineNortheast Georgia Medical Center, Gainesville, GaPennsylvania State University, Hershey, PaColumbia Presbyterian Medical Center, New York, NYUniversity of California Davis, Sacramento, CalifUniversity of Missouri, Columbia, MoUniversity of Minnesota, Minneapolis, MinnUniversity of Michigan, Ann Arbor, MichVanderbilt University Medical Center, Nashville, TennUniversity of Washington, Seattle, WashWashington University Medical Center, St Louis, MoBillings Clinic, Billings, MontWroclaw Medical University, Wroclaw, PolandOnassis Heart Center, Athens, Greece
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Parameswaran S, Ziganshin BA, Zafar M, Elefteriades JA. Progress in surgical interventions for aortic root aneurysms and dissections. Expert Rev Cardiovasc Ther 2022; 20:65-79. [PMID: 35037567 DOI: 10.1080/14779072.2022.2029702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION : The aortic root is a uniquely sensitive region as it anatomically encompasses the aortic valve leaflets and gives origin to the coronary arteries. These associated structures, in addition to the aortic tube, itself, add immensely to the complexity of replacing this segment when it is aneurysmal or dissected. Given this complexity, many contemporary choices for treatment of aortic root aneurysms have evolved over the past few decades. AREAS COVERED The aim of this study was to provide an updated review of the literature regarding various surgical options for management of aortic root aneurysmal disease. A systematic search in Pubmed database was performed for articles related to various aortic root surgeries and outcomes published between 1998 to 2020. EXPERT OPINION : For multiple technical options in aortic root replacement surgery, decades of surgical investigation and development have shown favorable results, which provide a formidable armamentarium to be used at the discretion of the surgeon to suit various patient anatomic patterns and risk profile-while still durably controlling the aortic pathology and protecting from recurrence, valve dysfunction, progressive dilatation, and aortic dissection.
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Affiliation(s)
- Shamini Parameswaran
- Aortic Institute at Yale New-Haven Hospital, Yale University School of Medicine, New Haven, CT.,Department of Surgery, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX
| | - Bulat A Ziganshin
- Aortic Institute at Yale New-Haven Hospital, Yale University School of Medicine, New Haven, CT.,Department of Cardiovascular and Endovascular Surgery, Kazan State Medical University, Kazan, Russia
| | - Mohammad Zafar
- Aortic Institute at Yale New-Haven Hospital, Yale University School of Medicine, New Haven, CT
| | - John A Elefteriades
- Aortic Institute at Yale New-Haven Hospital, Yale University School of Medicine, New Haven, CT
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8
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Nakamura Y, Ayoubi AA, Ricci M. Outcomes of aortic valve repair with ventricular septal defect closure: An elusive task. J Card Surg 2021; 36:4167-4168. [PMID: 34426997 DOI: 10.1111/jocs.15937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 07/13/2021] [Indexed: 11/30/2022]
Affiliation(s)
- Yuki Nakamura
- Division of Cardiothoracic Surgery, University of Oklahoma Health Science Center, Oklahoma City, Oklahoma, USA
| | - Adnan Al Ayoubi
- Division of Cardiothoracic Surgery, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA
| | - Marco Ricci
- Division of Cardiothoracic Surgery, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA
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Yiğit G, Özen A, Çetinkaya F, Ünal EU, İşcan HZ, Birincioğlu CL, Sarıtaş A. Early and Late-Term Follow-Up Results of Patients Diagnosed with Aortic Aneurysm or Aortic Dissection with Aortic Regurgitation Undergoing Aortic Valve Repair or Valve-Sparing Aortic Surgery. Braz J Cardiovasc Surg 2021; 36:192-200. [PMID: 33113319 PMCID: PMC8163274 DOI: 10.21470/1678-9741-2020-0133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
INTRODUCTION Valve-reimplantation and remodelling techniques used in aortic reconstruction provide successful early, mid, and long-term results. We present our early and late-term experience with 110 patients with aortic regurgitation (AR) who underwent aortic valve repair (AVr) or valve-sparing aortic root surgeries (VSARS) due to aortic dissection or aortic aneurysm. METHODS Nine hundred eighty-two patients who underwent aneurysm or dissection surgery and aortic valve surgery between April 1997 and January 2017 were analysed using the patient database. A total of 110 patients with AR who underwent AVr or VSARS due to aortic dissection or aortic aneurysm were included in the study. RESULTS In the postoperative period, a decrease was observed in AR compared to the preoperative period (P<0.001); there was an increase in postoperative ejection fraction (EF) compared to the preoperative values (P<0.005) and a significant decrease in postoperative left ventricle diameters compared to the preoperative values (P<0.001). Kaplan-Meier analysis revealed one, two, four, and five-year freedom from moderate-severe AR as 95%, 91%, 87%, and 70%, respectively. Freedom from reoperation in one, two, and five years were 97.9%, 93.6%, and 81%, respectively. Eight patients (7.4%) underwent AVr during follow-up. Out of the remaining 100 patients, 13 (12%) had minimum AR, 52 (48%) had 1st-2nd degree AR, and 35 (32%) had 2nd-3rd degree AR during follow-up. CONCLUSION For the purpose of maintaining the native valve tissue, preserving the EF and the left ventricular end-diastolic diameter, valve-sparing surgeries should be preferred for appropriate patients.
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Affiliation(s)
- Görkem Yiğit
- Department of Cardiovascular Surgery, Ankara City Hospital, Ankara, Turkey
| | - Anıl Özen
- Department of Cardiovascular Surgery, Ankara City Hospital, Ankara, Turkey
| | - Ferit Çetinkaya
- Department of Cardiovascular Surgery, Ankara City Hospital, Ankara, Turkey
| | - Ertekin Utku Ünal
- Department of Cardiovascular Surgery, Ankara City Hospital, Ankara, Turkey
| | - Hakki Zafer İşcan
- Department of Cardiovascular Surgery, Ankara City Hospital, Ankara, Turkey
| | | | - Ahmet Sarıtaş
- Department of Cardiovascular Surgery, Ankara City Hospital, Ankara, Turkey
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10
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Ntinopoulos V, Papadopoulos N, Odavic D, Haeussler A, Loeblein H, Dzemali O. Aortic Root Replacement with Reimplantation of the Aortic Valve: A Low-Volume Center Experience. Thorac Cardiovasc Surg 2021; 70:297-305. [PMID: 33601468 DOI: 10.1055/s-0041-1723844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
BACKGROUND Most data after root replacement with reimplantation of the aortic valve originate from high-volume centers. This raises concerns about the generalizability of these data and the reproducibility of this complex procedure. Aim of this study is to assess the perioperative and midterm outcomes of this procedure in a low-volume center. METHODS We performed a retrospective analysis of the data of 72 patients, who underwent root replacement with reimplantation of the aortic valve in a single center between 2011 and 2020. Time to event analysis was performed with Kaplan-Meier curves. Longitudinal analysis of serial echocardiographic data was performed with a mixed-effects ordinal logistic regression model. RESULTS In-hospital mortality was 1.4%, with absence of any neurological events during the perioperative period. At midterm follow-up, two further patients died. Overall survival rates at 1 and 5 years were 98.5% (95% confidence interval [CI]: 97-100%) and 96.3% (95% CI: 93.8-98.8%), respectively. During follow-up, five patients (6.9%) required reoperation on the aortic valve. The incidence of moderate and severe aortic regurgitation at 5 years was 6.6% (95% CI: 2.4-13.6%) and 0.6% (95% CI: 0.1-3.2%), respectively. Mild aortic regurgitation at hospital discharge (p < 0.001) and cusp plication (p = 0.0121) were associated with a higher incidence of moderate or severe aortic regurgitation at follow-up. CONCLUSION Reimplantation of the aortic valve is safe and feasible even in a low-volume center. Mortality, freedom from reoperation, and incidence of moderate or severe aortic regurgitation at follow-up are comparable to those of high-volume centers.
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Affiliation(s)
| | | | - Dragan Odavic
- Department of Cardiac Surgery, Municipal Hospital Triemli, Zurich, Switzerland
| | - Achim Haeussler
- Department of Cardiac Surgery, Municipal Hospital Triemli, Zurich, Switzerland
| | - Helen Loeblein
- Department of Cardiac Surgery, Municipal Hospital Triemli, Zurich, Switzerland
| | - Omer Dzemali
- Department of Cardiac Surgery, Municipal Hospital Triemli, Zurich, Switzerland
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11
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Si MS, Conte JV, Romano JC, Romano MA, Andersen ND, Gerdisch MW, Kupferschmid JP, Fiore AC, Bakhos M, Bonilla JJ, Burke JR, Rankin JS, Wei LM, Badhwar V, Turek JW. Unicuspid Aortic Valve Repair Using Geometric Ring Annuloplasty. Ann Thorac Surg 2020; 111:1359-1366. [PMID: 32619617 DOI: 10.1016/j.athoracsur.2020.04.147] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 02/01/2020] [Accepted: 04/02/2020] [Indexed: 11/26/2022]
Abstract
BACKGROUND Unicuspid aortic valves (Sievers type 2 bicuspid) are characterized by major fusion and clefting of the right-left coronary commissure, and minor fusion of the right-noncoronary commissure. Repair has been difficult because of two fusions, variable relative sinus sizes, and peripheral leaflet deficiencies or tears after balloon valvuloplasty. METHODS Twenty unicuspid aortic valves patients underwent valve repair in nine institutions. Right-left major fusion and right-noncoronary minor fusion occurred in 17 of 20 (85%). Commissurotomy was performed on the minor fusion, and a bicuspid annuloplasty ring with circular base geometry and two 180-degree subcommissural posts was sutured beneath the annulus, equalizing the annular circumferences of the fused and nonfused cusps. The nonfused leaflet was plicated, and the cleft in the major fusion was closed linearly until leaflet effective heights and lengths became greater than 8 mm and equal, respectively. RESULTS Average age (mean ± SD) was 22.3 ± 12.3 years (range, 13 to 58), 12 of 20 (60%) were symptomatic, 10 of 20 (50%) required aortic aneurysm resection. Pre-repair hemodynamic data included mean systolic valve gradient 25.8 ± 12.9 mm Hg, aortic insufficiency grade 2.9 ± 1.2, and annular diameter 24.7 ± 3.3 mm. No mortality or major complications occurred. Post-repair annular (ring) size was 20.5 ± 1.3 mm, mean gradient fell to 16.2 ± 5.9 mm Hg, and aortic insufficiency grade decreased to 0.1 ± 0.3 (P < .001). At an average follow-up of 11 months (range, 1 to 22), all 20 patients were asymptomatic and had returned to full activity. CONCLUSIONS Aortic ring annuloplasty reduced annular diameter effectively, recruiting more leaflet to midline coaptation. Minor fusion commissurotomy and annular remodeling to 180-degree commissures converted UAV repair to a simple and reproducible procedure.
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Affiliation(s)
| | - John V Conte
- Pennsylvania State University, Hershey, Pennsylvania
| | | | | | | | | | | | - Andrew C Fiore
- St Louis University Cardinal Glennon Children's Hospital, St Louis, Missouri
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Geometric Ring Annuloplasty for Aortic Valve Repair During Aortic Aneurysm Surgery: Two-Year Clinical Trial Results. INNOVATIONS-TECHNOLOGY AND TECHNIQUES IN CARDIOTHORACIC AND VASCULAR SURGERY 2018; 13:248-253. [PMID: 30138245 DOI: 10.1097/imi.0000000000000539] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVE An aortic annuloplasty ring could be useful for aortic valve repair. This trial evaluated intermediate-term outcomes of internal geometric ring annuloplasty for repair of trileaflet and bicuspid aortic insufficiency associated with ascending aortic and/or aortic root aneurysms. METHODS Under regulatory supervision, 47 patients with aortic insufficiency and ascending aortic (n = 22) and/or aortic root (n = 25) aneurysms were managed with aortic valve repair and aneurysm resection. Valve repair was performed using trileaflet (n = 40) or bicuspid (n = 7) internal geometric rings, together with leaflet reconstruction. Ascending aortic and/or remodeling root replacements were accomplished with Dacron grafts 5 to 7 mm larger than the rings. An Echo Core Lab provided independent echocardiographic assessments, and changes over time were evaluated by Friedman tests. RESULTS Mean ± SD age was 60 ± 14 years, 57% (27/47) were male, 15% (7/47) had bicuspid valves, 87% (41/47) had moderate-to-severe aortic insufficiency, and 13% (6/47) had mild aortic insufficiency. All patients had annular dilatation, with a mean ± SD of 26.5 ± 2.6 mm before repair, and mean ± SD ring sizes were 21.7 ± 1.7 mm. Follow-up was 42 months (mean = 27 months). No operative mortality or valve-related complications occurred. Two patients died beyond 1 year from nonvalve-related causes. One patient required valve replacement for repair failure. Survival free of complications or valve replacement was 94% at 2 years. Significant reduction in aortic insufficiency and New York Heart Association class were observed (P < 0.0001), and valve gradients remained low. No heart block or direct ring complications occurred. CONCLUSIONS In preliminary regulatory studies, aortic ring annuloplasty seemed safe and effective during aortic aneurysm surgery. This approach could help standardize aortic valve repair.
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Functional classification of aortic regurgitation using cardiac computed tomography: comparison with surgical inspection. Int J Cardiovasc Imaging 2018; 34:1295-1303. [PMID: 29564585 DOI: 10.1007/s10554-018-1341-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 03/19/2018] [Indexed: 10/17/2022]
Abstract
In patients with aortic regurgitation (AR), a precise preoperative assessment of aortic valve (AV) pathology is important if AV repair or sparing operation is an alternative option. The aim of this study was to assess the diagnostic accuracy of computed tomography (CT) for evaluating the AR mechanism compared with surgical inspection. 59 patients with AR who underwent AV surgery and preoperative cardiac CT were evaluated. AR mechanism was classified into type 1 (aortic dilatation or cusp perforation), type 2 (prolapsed cusp) and type 3 (cusp retraction). Agreement between CT and surgical inspection was obtained. Correlation between aortic regurgitant orifice (ARO) and imaging parameters were evaluated. On surgical inspection, type 1 AR was noted in 22 patients, type 2 in 16 and type 3 in 21. Agreement regarding the AR mechanism on CT was excellent (intra-class correlation coefficient, 0.81). At the patient level, the Cohen's κ value for CT findings with surgical inspection was of 0.89. At the cusp level, moderate agreement was noted between CT and surgical inspection. In the per-cusp analysis, CT had a sensitivity of 72.6%, specificity of 85.1%, positive predictive value of 73.8% and negative predictive value of 84.3% for the detection of aortic cusp abnormality. The diameter, perimeter and area of aortic annulus had moderate correlation with ARO (r = 0.54-0.66, P < 0.001). CT-derived classification of AR mechanism showed excellent agreement with surgical inspection.
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Takahashi D, Shiiya N, Washiyama N, Yamashita K. Valve-sparing aortic root replacement for a prolapsing asymmetric valve. Interact Cardiovasc Thorac Surg 2017; 24:464-465. [PMID: 28040766 DOI: 10.1093/icvts/ivw385] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Accepted: 10/26/2016] [Indexed: 11/14/2022] Open
Abstract
Valve-sparing aortic root replacement remains challenging for patients with eccentric severe aortic regurgitation when the cusps are totally asymmetric. We report a case of successful reimplantation operation for such a lesion. Because free margin lengths from commissure to Arantius body of the adjacent two cusps were matched while inter-commissural distances were totally different, right coronary cusp prolapse was corrected by asymmetrically aligning the position and height of three commissures without cusp plication.
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Affiliation(s)
- Daisuke Takahashi
- Department of Nephrology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Yushima, Bunkyo, Tokyo, Japan.,First Department of Surgery, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Norihiko Shiiya
- First Department of Surgery, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Naoki Washiyama
- First Department of Surgery, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Katsushi Yamashita
- First Department of Surgery, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
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Dias RR, Duncan JA, de Souza Dinato FJ, Araújo LL, Issa HMN, Fernandes F, Mady C, Jatene FB. Does aortic valve repair in valve-sparing aortic root reconstruction compromise the longevity of the procedure? Clinics (Sao Paulo) 2017; 72:207-212. [PMID: 28492719 PMCID: PMC5401616 DOI: 10.6061/clinics/2017(04)03] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 12/12/2016] [Indexed: 01/18/2023] Open
Abstract
OBJECTIVES: The effect of performing aortic valve repair in combination with valve-sparing operation on the length of time for which patients are free from reoperation is unclear. The objective of this study was to determine if the performance of aortic valve repair during valve-sparing operation modified the freedom from reoperation time. METHODS: From January 2003 to July 2014, 78 patients with a mean age of 49±15 years underwent valve-sparing operation. Sixty-eight percent of these patients were male. Twenty-two (28%) aortic valve repair procedures were performed in this patient population. In the aortic valve repair + valve-sparing operation group, 77.3% of patients had moderate/severe aortic insufficiency, while in the valve-sparing operation group, 58.6% of patients had moderate/severe aortic insufficiency (ns = not significant). Additionally, 13.6% of patients in the aortic valve repair + valve-sparing operation group had functional class III/IV, while 14.2% of patients in the valve-sparing operation group had functional class III/IV (ns). RESULTS: The in-hospital and late mortality rates, for the aortic valve repair + valve-sparing operation and valve-sparing operation groups were similar, as they were 4.5% and 3.6%; and 0% and 1.8%, respectively. In the aortic valve repair + valve-sparing operation group, 0% of patients presented moderate/severe aortic insufficiency during late follow-up, while in the valve-sparing operation group, 14.2% of patients presented with moderate/severe aortic insufficiency during this period (ns). In the aortic valve repair + valve-sparing operation group, 5.3% of patients presented with functional class III/IV, while in the valve-sparing operation group, 4.2% of patients presented with functional class III/IV (ns). In the aortic valve repair + valve-sparing operation group, 0% of patients required reoperation, while in the valve-sparing operation group, 3.6% of patients required reoperation over a mean follow-up period of 1621±1156 days (75 patients). CONCLUSION: Valve-sparing operation is a safe and long-lasting procedure and performance of aortic valve repair when necessary does not increase risk of reoperation on the aortic valve.
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Affiliation(s)
- Ricardo Ribeiro Dias
- Cirurgia Cardiovascular, Instituto do Coracao (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - José Augusto Duncan
- Cirurgia Cardiovascular, Instituto do Coracao (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - Fabrício José de Souza Dinato
- Cirurgia Cardiovascular, Instituto do Coracao (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
- *Corresponding author. E-mail:
| | - Lucas Lacerda Araújo
- Cirurgia Cardiovascular, Instituto do Coracao (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - Hugo Monteiro Neder Issa
- Cirurgia Cardiovascular, Instituto do Coracao (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - Fábio Fernandes
- Cirurgia Cardiovascular, Instituto do Coracao (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - Charles Mady
- Cirurgia Cardiovascular, Instituto do Coracao (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - Fábio Biscegli Jatene
- Cirurgia Cardiovascular, Instituto do Coracao (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
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Blankart CR, Milstein R, Rybczynski M, Schüler H, von Kodolitsch Y. Economic and care considerations of Marfan syndrome. Expert Rev Pharmacoecon Outcomes Res 2016; 16:591-598. [PMID: 27662508 DOI: 10.1080/14737167.2016.1240619] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
INTRODUCTION Marfan syndrome is a rare multisystem disease of the connective tissue, which affects multiple organ systems. advances in healthcare have doubled the life-expectancy of patients over the past three decades. to date, there is no comprehensive review that consolidates economic considerations and care for marfan patients. Areas covered: Present research suggests that there may be a link between treatment pattern, disease progression and economic costs of Marfan syndrome. It indicates that an early detection of the disease and preventive interventions achieve a dual aim. From a patient perspective, it may reduce the amount of emergency surgery or intervention, and inpatient stays. In addition, it slows disease progression, lowers lifestyle restrictions, reduces psychological stress, and improves health-related quality of life. Expert commentary: Early detection and preventive measures are likely to achieve a dual aim by simultaneously containing costs and reducing the number and length of inpatient stays.
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Affiliation(s)
| | - Ricarda Milstein
- a Hamburg Center for Health Economics , Universität Hamburg , Hamburg , Germany
| | - Meike Rybczynski
- b University Heart Center Hamburg , University Hospital Eppendorf , Hamburg , Germany
| | - Helke Schüler
- b University Heart Center Hamburg , University Hospital Eppendorf , Hamburg , Germany
| | - Yskert von Kodolitsch
- b University Heart Center Hamburg , University Hospital Eppendorf , Hamburg , Germany
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Reported Outcome After Valve-Sparing Aortic Root Replacement for Aortic Root Aneurysm: A Systematic Review and Meta-Analysis. Ann Thorac Surg 2015; 100:1126-31. [DOI: 10.1016/j.athoracsur.2015.05.093] [Citation(s) in RCA: 103] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Revised: 04/20/2015] [Accepted: 05/14/2015] [Indexed: 11/17/2022]
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Mazzitelli D, Fischlein T, Rankin JS, Choi YH, Stamm C, Pfeiffer S, Pirk J, Detter C, Kroll J, Beyersdorf F, Griffin CD, Shrestha M, Nöbauer C, Crooke PS, Schreiber C, Lange R. Geometric ring annuloplasty as an adjunct to aortic valve repair: clinical investigation of the HAART 300 device. Eur J Cardiothorac Surg 2015; 49:987-93. [DOI: 10.1093/ejcts/ezv234] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Accepted: 06/03/2015] [Indexed: 01/09/2023] Open
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Abstract
The key for successful valve repair is full understanding of the regurgitant mechanism and sufficient evaluation of the valve. Currently, multidetector computed tomography has been introduced for evaluation. The aortic valve can be analyzed in details preoperatively. The main causes of aortic regurgitation (AR) in the adult population are degenerative leaflet change and annulus dilatation. Restoration to normal structure can be accomplished mainly by plication. Central leaflet plication near the Arantius nodule is a simple technique for redundant tissue. For leaflet deficiency, pericardial patch plasty may be an option. No universal technique exists for plication of the aortic annulus. The valve-sparing aortic root replacement firmly stabilizes the ventriculo-aortic junction (VAJ) and assures repair durability even in patients with mild to moderate root dilatation. Subcommissural annuloplasty (Cabrol stitch) does not seem sufficient for the prevention of VAJ dilatation. Circumferential annuloplasties may have a greater potential. However, convenient device for annular plication is still in development. The bicuspid aortic valve is a congenital heart valve lesion. A basic technique is free margin plication of the fused leaflet. Aortic root dilatation may contribute to AR severity. Valve-sparing aortic root replacement may improve repair durability. Considering the great advances in valve repair, young patients with AR should be informed that valve repair is a promising option for surgical treatment.
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Valve repair improves the outcome of surgery for chronic severe aortic regurgitation: A propensity score analysis. J Thorac Cardiovasc Surg 2014; 148:1913-20. [DOI: 10.1016/j.jtcvs.2014.02.010] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2013] [Revised: 01/03/2014] [Accepted: 02/03/2014] [Indexed: 11/21/2022]
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Regeer MV, Versteegh MI, Klautz RJ, Stijnen T, Schalij MJ, Bax JJ, Ajmone Marsan N, Delgado V. Aortic Valve Repair Versus Replacement for Aortic Regurgitation: Effects on Left Ventricular Remodeling. J Card Surg 2014; 30:13-9. [DOI: 10.1111/jocs.12457] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Madelien V. Regeer
- Heart Lung Center Leiden; Leiden University Medical Center; Leiden the Netherlands
| | | | - Robert J.M. Klautz
- Heart Lung Center Leiden; Leiden University Medical Center; Leiden the Netherlands
| | - Theo Stijnen
- Department of Medical Statistics and Bioinformatics; Leiden University Medical Center; Leiden the Netherlands
| | - Martin J. Schalij
- Heart Lung Center Leiden; Leiden University Medical Center; Leiden the Netherlands
| | - Jeroen J. Bax
- Heart Lung Center Leiden; Leiden University Medical Center; Leiden the Netherlands
| | - Nina Ajmone Marsan
- Heart Lung Center Leiden; Leiden University Medical Center; Leiden the Netherlands
| | - Victoria Delgado
- Heart Lung Center Leiden; Leiden University Medical Center; Leiden the Netherlands
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Rey E, Hamzeh G, Crespo A, Cubero A, Cortés A, Aramendi JI. Cirugía reparadora de la insuficiencia aórtica. CIRUGIA CARDIOVASCULAR 2014. [DOI: 10.1016/j.circv.2014.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Design Characteristics of a Three-Dimensional Geometric Aortic Valve Annuloplasty Ring. INNOVATIONS-TECHNOLOGY AND TECHNIQUES IN CARDIOTHORACIC AND VASCULAR SURGERY 2013; 8:364-70. [DOI: 10.1097/imi.0000000000000026] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Objective A full geometric annuloplasty ring could facilitate aortic valve repair. The purpose of this report was to document the design of such a ring using mathematical analyses of normal human aortic valve computed tomographic angiograms. Methods One-millimeter axial slices of high-resolution computed tomographic angiograms from 11 normal aortic roots were used to generate high-density x, y, and z coordinates of valve structures in Mathematica. Three-dimensional least squares regression analyses of leaflet-sinus coordinates were used to assess geometry of aortic valve and root structures. Results Normal valve geometry could be represented as three leaflet-sinus general ellipsoids nested within an elliptical aortic root. Minor-major diameter ratio of the valve base was 0.60 ± 0.07, and elliptical geometry extended vertically up the commissures. By contrast, leaflet-sinus horizontal circumferences were fairly circular (diameter ratios, 0.82–0.87), and the left coronary/noncoronary commissural post was located at the posterior base minor diameter-circumference junction, with the center of the right coronary leaflet opposite. Post location on the circumference was symmetrical, with a deviation of only ±2% to ±3% from 33.3% symmetry. Commissural posts flared outward by 5 to 10 degrees, and leaflet areas were statistically equivalent ( P > 0.10). From end diastole to midsystole, the aortic root became less elliptical (diameter ratio increased by 0.15), but root area expanded minimally (less than +5%). A one-piece rigid annuloplasty ring was designed with 2:3 base ellipticality, three 10-degree outwardly flaring symmetrical posts, and post height = base circumference/2π. Conclusions A three-dimensional aortic annuloplasty ring was designed that could prove useful for enhancing applicability and stability of aortic valve repair.
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Rankin JS, Bone MC, Fries PM, Aicher D, Schäfers HJ, Crooke PS. A refined hemispheric model of normal human aortic valve and root geometry. J Thorac Cardiovasc Surg 2013; 146:103-108.e1. [DOI: 10.1016/j.jtcvs.2012.06.043] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2012] [Revised: 05/12/2012] [Accepted: 06/15/2012] [Indexed: 11/25/2022]
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Crooke PS, Beavan LA, Griffin CD, Mazzitelli D, Rankin JS. Design Characteristics of a Three-Dimensional Geometric Aortic Valve Annuloplasty Ring. INNOVATIONS-TECHNOLOGY AND TECHNIQUES IN CARDIOTHORACIC AND VASCULAR SURGERY 2013. [DOI: 10.1177/155698451300800508] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Philip S. Crooke
- Department of Mathematics, Vanderbilt University, Nashville, TN USA
| | | | | | | | - J. Scott Rankin
- Department of Cardiac Surgery, Vanderbilt University, Nashville, TN USA
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Hartog AW, Franken R, Zwinderman AH, Groenink M, Mulder BJM. Current and future pharmacological treatment strategies with regard to aortic disease in Marfan syndrome. Expert Opin Pharmacother 2012; 13:647-62. [PMID: 22397493 DOI: 10.1517/14656566.2012.665446] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
INTRODUCTION Marfan syndrome is a multisystemic connective tissue disorder caused mainly by mutations in the fibrillin-1 gene. The entire cardiovascular system is affected in patients with Marfan syndrome. Aortic root dilatation, aortic valve regurgitation or - the most feared and life-threatening symptom - aortic root dissection are the most common manifestations. Therapeutic strategies, such as prophylactic aortic root surgery and pharmacological therapy, focus on the prevention of aortic dissection. Currently, the standard medicinal treatments targeting aortic dilatation and dissection consist of agents generally used to lower blood pressure and/or the inotropic state of the heart. By these means, the cyclic repetitive forces exerted on the aortic wall are diminished and thus the onset of aortic dilatation is potentially prevented. Although these pharmacological agents may offer some benefit in reduction of aortic aneurysm expansion rate, they do not target the underlying cause of the progressive aortic degradation. AREAS COVERED This review discusses the effectiveness of frequently prescribed medications used to prevent and delay aortic complications in Marfan syndrome. New insights on the biochemical pathways leading to aortic disease are also discussed to highlight new targets for pharmacological therapy. EXPERT OPINION Recent insights in the transforming growth factor beta signaling pathway and inflammatory mechanisms in a well-established mouse model of Marfan syndrome, have led to studies exploring new pharmacological treatment strategies with doxycycline, statins and angiotensin II receptor blockers. Pharmacological therapy is focused more on prevention than on delay of aortic wall pathology in Marfan syndrome. Of the new pharmacological treatment strategies targeting aortic pathology in Marfan syndrome, angiotensin receptor type 1 blockers are promising candidates, with several clinical trials currently ongoing.
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Affiliation(s)
- Alexander W Hartog
- Academic Medical Center, Department of Cardiology, B2-240, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
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Rankin JS, Conger JL, Tuzun E, Winkler JA, Harms KM, Beavan LA, Fossum T, Cohn WE. In vivo testing of an intra-annular aortic valve annuloplasty ring in a chronic calf model. Eur J Cardiothorac Surg 2012; 42:149-54. [PMID: 22362620 DOI: 10.1093/ejcts/ezr273] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE To increase applicability and stability of aortic valve repair, a three-dimensional aortic annuloplasty ring has been developed for intra-annular placement. The goal of this study was to test the safety of this device with in vivo implantation in the calf model. METHODS In 10 chronic calves, the HAART annuloplasty ring was sutured to the aortic valve annulus using cardiopulmonary bypass. The animals were recovered and followed for 1-2 months. Serial echocardiography was used to evaluate valve competence, and contrast aortograms and CT angiograms were obtained in selected animals. After completion of follow-up, each animal was euthanized, and aortic endoscopy was performed under water distension in five. Full autopsies with histologic examinations were performed. RESULTS All animals survived surgery. Two were euthanized in the first week for complications, and the remaining eight calves were followed uneventfully for the 1-2 months. Serial echocardiography showed completely competent valves in all but one animal, in which the ring was intentionally up-sized to test the sizing strategy. Contrast aortographic and CT angiographic findings were similar to the echocardiograms. Postmortem examination showed proper seating of all rings with endothelialization at 1-2 months. All valves demonstrated good leaflet coaptation and no abnormalities. CONCLUSIONS In vivo testing of a three-dimensional aortic annuloplasty ring in a chronic calf model proved to be very successful and safe. Using the sizing and implant strategies developed, human trials seem indicated.
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Affiliation(s)
- J Scott Rankin
- Centennial Medical Center, Vanderbilt University, Nashville, TN 37205, USA.
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Abstract
The aortic root has a unique 3-dimensional configuration and the distinctive function of supporting the aortic valve and blood vessels. The sinuses of Valsalva are crucial to create appropriate eddy currents that are important in initiating and coordinating aortic valve closure and promoting coronary artery blood flow. Most aneurysms in the aortic root are associated with degenerative changes in the elastic media rather than atherosclerosis. Valve-sparing root repair has become widely accepted, although the Bentall procedure remains the gold standard. Because reimplantation using the Valsalva graft allows root geometry to be retained and theoretically and practically prevents recurrent aortic valve regurgitation, it is considered the most reliable and preferred technique among various valve-sparing aortic root repair procedures.
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Affiliation(s)
- Hideyuki Shimizu
- Division of Cardiovascular Surgery, School of Medicine, Keio University, Shinjuku-ku, Tokyo, Japan.
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Technique for aortic valve annuloplasty using an intra-annular “hemispherical” frame. J Thorac Cardiovasc Surg 2011; 142:933-6. [DOI: 10.1016/j.jtcvs.2011.01.039] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2010] [Revised: 12/23/2010] [Accepted: 01/21/2011] [Indexed: 11/22/2022]
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Oka T, Okita Y, Matsumori M, Okada K, Minami H, Munakata H, Inoue T, Tanaka A, Sakamoto T, Omura A, Nomura T. Aortic regurgitation after valve-sparing aortic root replacement: modes of failure. Ann Thorac Surg 2011; 92:1639-44. [PMID: 21945227 DOI: 10.1016/j.athoracsur.2011.06.080] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2011] [Revised: 06/19/2011] [Accepted: 06/22/2011] [Indexed: 10/17/2022]
Abstract
BACKGROUND Despite the positive clinical results of valve-sparing aortic root replacement, little is known about the causes of reoperations and the modes of failure. METHODS From October 1999 to June 2010, 101 patients underwent valve-sparing aortic root replacement using the David reimplantation technique. The definition of aortic root repair failure included the following: (1) intraoperative conversion to the Bentall procedure; (2) reoperation performed because of aortic regurgitation; and (3) aortic regurgitation equal to or greater than a moderate degree at the follow-up. Sixteen patients were considered to have repair failure. Three patients required intraoperative conversion to valve replacement, 3 required reoperation within 3 months, and another 8 required reoperation during postoperative follow-up. At initial surgery 5 patients had moderate to severe aortic regurgitation, 6 patients had acute aortic dissections, 3 had Marfan syndrome, 2 had status post Ross operations, 3 had bicuspid aortic valves, and 1 had aortitis. Five patients had undergone cusp repair, including Arantius plication in 3 and plication at the commissure in 2. RESULTS The causes of early failure in 6 patients included cusp perforation (3), cusp prolapse (3), and severe hemolysis (1). The causes of late failure in 10 patients included cusp prolapse (4), commissure dehiscence (3), torn cusp (2), and cusp retraction (1). Patients had valve replacements at a mean of 23 ± 20.9 months after reimplantation and survived. CONCLUSIONS Causes of early failure after valve-sparing root replacement included technical failure, cusp lesions, and steep learning curve. Late failure was caused by aortic root wall degeneration due to gelatin-resorcin-formalin glue, cusp degeneration, or progression of cusp prolapse.
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Affiliation(s)
- Takanori Oka
- Division of Cardiovascular Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
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Abstract
PURPOSE OF REVIEW Aortic valve-sparing (AVS) operations include an armamentarium of procedures, which preserve the aortic cusps in aortic root dilation with aortic insufficiency. The purpose of this review article is to specifically outline the surgical indications, to describe the various techniques, and to present results from the most current series in AVS operations. RECENT FINDINGS In the worldwide literature, there is promising data on AVS operations. Patients undergoing AVS operations not only have better long-term survival but also appear to have a reduced risk of aortic insufficiency and thromboembolic complications. SUMMARY AVS operations are an excellent option for patients with an aortic root aneurysm and normal/minimally diseased aortic cusps.
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Correction of leaflet prolapse extends the spectrum of patients suitable for valve-sparing aortic root replacement. Eur J Cardiothorac Surg 2010; 37:1311-6. [DOI: 10.1016/j.ejcts.2009.12.031] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2009] [Revised: 12/15/2009] [Accepted: 12/31/2009] [Indexed: 11/23/2022] Open
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Early results of valve-sparing aortic root replacement in high-risk clinical scenarios. Ann Thorac Surg 2010; 89:471-6; discussion 477-8. [PMID: 20103323 DOI: 10.1016/j.athoracsur.2009.10.030] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2008] [Revised: 10/11/2009] [Accepted: 10/13/2009] [Indexed: 11/23/2022]
Abstract
BACKGROUND The feasibility of valve-sparing aortic root procedures (David) in certain high-risk situations has been questioned. We sought to determine the safety of the David procedure in the following high-risk subgroups: acute type A dissection, severe aortic insufficiency (AI), and reoperations. METHODS From 2005 through 2007, 110 root replacements were performed for the above criteria: 73 root replacements with a composite valve-conduit (Bentall) and 37 David procedures. The reimplantation technique was used in all 37 David patients, with 7 requiring aortic cusp repair. RESULTS There were no significant differences in preoperative or intraoperative variables between the groups, with the exception of cross-clamp time, which was longer for David patients. There was a slight, but nonsignificant increase in mortality among Bentall patients (8.2% [6 of 73]) compared with David patients (5.4% [2 of 37], p = 0.59]. There were no differences with respect to postoperative stroke, renal failure, or respiratory failure. Predischarge echocardiogram in the surviving 35 David patients demonstrated no AI in 25 patients and trace/mild AI in 10. Freedom from AVR at a mean follow-up of 8.8 months (range, 1 to 40) was 94.3% (33 of 35). One patient required AVR because of endocarditis at 9 months, and 1 had severe AI 13 months postoperatively. CONCLUSIONS Valve-sparing aortic root replacement can be performed safely in the setting of acute dissection, severe AI, and reoperations with acceptable early results. Long-term follow-up is needed to determine the durability of repair in these high-risk groups.
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Mechanisms of Recurrent Aortic Regurgitation After Aortic Valve Repair. JACC Cardiovasc Imaging 2009; 2:931-9. [DOI: 10.1016/j.jcmg.2009.04.013] [Citation(s) in RCA: 141] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2009] [Revised: 04/01/2009] [Accepted: 04/13/2009] [Indexed: 11/23/2022]
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Izumoto H, Kawazoe K, Oka T, Ishibashi K, Yamamoto H, Yamamoto F. Leaflet Suspension and Subvalvular Annuloplasty in Aortic Valve Prolapse. Asian Cardiovasc Thorac Ann 2009; 17:278-81. [DOI: 10.1177/0218492309104773] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
We have utilized the combined techniques of subvalvular annuloplasty and leaflet suspension since 1999 to repair prolapsing aortic valves. We reviewed our short-term results to assess perioperative echocardiographic changes and repair durability. Nineteen patients (15 men and 4 women; mean age, 60.7 years) underwent this operation between July 1999 and June 2002. All were interviewed to establish their latest functional status, reoperation and survival rates. After a mean follow-up of 40.1 months, all patients were alive and in New York Heart Association functional class I. The echocardiographic grade of aortic regurgitation decreased from 3.2 preoperatively to 1.6 at follow-up. Left ventricular end-diastolic dimension shortened significantly from 6.2 to 5.2 cm. Left ventricular end-systolic dimension decreased from 4.1 to 3.3 cm. Annulus size was also significantly less at 2.2 cm from 2.5 cm preoperatively. At 48 months, freedom from reoperation was 88.9% ± 7.4%. The follow-up was 100% complete. Repair of a prolapsing aortic valve with leaflet suspension and subvalvular annuloplasty is a good procedure and the short-term results are satisfying.
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Affiliation(s)
| | | | | | | | - Hiroshi Yamamoto
- Department of Cardiovascular Surgery Iwate Medical University Memorial Heart Center Morioka, Iwate, Japan
| | - Fumio Yamamoto
- Department of Cardiovascular Surgery Iwate Medical University Memorial Heart Center Morioka, Iwate, Japan
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Fattouch K, Sampognaro R, Bianco G, Navarra E, Moscarelli M, Speziale G, Ruvolo G. Implantation of Gore-Tex Chordae on Aortic Valve Leaflet to Treat Prolapse Using “The Chordae Technique”: Surgical Aspects and Clinical Results. Ann Thorac Surg 2008; 85:2019-24. [DOI: 10.1016/j.athoracsur.2007.11.083] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2007] [Revised: 11/12/2007] [Accepted: 11/09/2007] [Indexed: 10/22/2022]
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Svensson LG, Deglurkar I, Ung J, Pettersson G, Gillinov AM, D'Agostino RS, Lytle BW. Aortic Valve Repair and Root Preservation by Remodeling, Reimplantation, and Tailoring: Technical Aspects and Early Otcome. J Card Surg 2007; 22:473-9. [DOI: 10.1111/j.1540-8191.2007.00467.x] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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38
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Aicher D, Langer F, Lausberg H, Bierbach B, Schäfers HJ. Aortic root remodeling: Ten-year experience with 274 patients. J Thorac Cardiovasc Surg 2007; 134:909-15. [PMID: 17903506 DOI: 10.1016/j.jtcvs.2007.05.052] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2007] [Revised: 04/10/2007] [Accepted: 05/11/2007] [Indexed: 11/25/2022]
Abstract
OBJECTIVES Dilatation of the aortic root with concomitant aortic regurgitation can be treated by valve-preserving surgery. We have consistently chosen root remodeling rather than reimplantation whenever the aortoventricular junction was not dilated. We have analyzed our 11-year experience with root remodeling. METHODS Between October 1995 and October 2006, 274 patients (201 male; 73 female, aged 59 +/- 15 years) were treated by root remodeling in the presence of a preserved aortoventricular diameter (<30 mm). Acute aortic dissection was present in 46 patients. The valve anatomy was tricuspid in 193 and bicuspid in 81 patients. Cusp disease was additionally corrected in 173 (63%) patients. Follow-up was complete in 99%. Cumulative follow-up was 1045 patient-years (mean of 4.0 +/- 2.7 years). RESULTS Hospital mortality was 3.6% (elective 3.1%; emergency 6.5%). One patient had endocarditis 2 months postoperatively and subsequently underwent valve replacement. Freedom from aortic regurgitation of grade II or more was 91% and 87% at 10 years for bicuspid and tricuspid aortic valves. Nine patients required reoperation: in 6 patients the valve was replaced and in 3 patients rerepaired. Freedom from reoperation was 96% at 5 and 10 years, and freedom from valve replacement was 98% at 5 and 10 years. A comparison of 3 operative periods (1995-1998, 1999-2002, and 2003-2006) showed that with increasing experience cusp prolapse was diagnosed and corrected more frequently (8/49 = 17%; 62/105 = 59%; 103/108 = 82%; P < .0001), and repair stability significantly improved over time (P = .007). CONCLUSIONS Root remodeling leads to durable restoration of aortic valve function in both tricuspid and bicuspid valve anatomy. Aggressive correction of cusp prolapse seems to have a beneficial effect on aortic valve competence.
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Affiliation(s)
- Diana Aicher
- Department of Thoracic and Cardiovascular Surgery, University Hospital of Saarland, Homburg/Saar, Germany
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le Polain de Waroux JB, Pouleur AC, Goffinet C, Vancraeynest D, Van Dyck M, Robert A, Gerber BL, Pasquet A, El Khoury G, Vanoverschelde JLJ. Functional Anatomy of Aortic Regurgitation: Accuracy, Prediction of Surgical Repairability, and Outcome Implications of Transesophageal Echocardiography. Circulation 2007; 116:I264-9. [PMID: 17846315 DOI: 10.1161/circulationaha.106.680074] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND For patients with aortic regurgitation (AR), aortic valve sparing or repair surgery is an attractive alternative to valve replacement. In this setting, accurate preoperative delineation of aortic valve pathology and potential repairability is of paramount importance. The aim of the present study was to assess the diagnostic value of preoperative transesophageal echocardiography (TEE) in defining the mechanisms of AR, as identified by surgical inspection, and in predicting repairability, by using the final surgical approach as reference. METHODS AND RESULTS One hundred and sixty-three consecutive patients (117 males, mean age: 58+/-14 years) undergoing AR surgery were included. Mechanisms of AR were categorized by TEE and surgical inspection as follows: type 1, aortic dilatation; type 2, cusp prolapse; and type 3, restrictive cusp motion or endocarditis. At surgery, mechanisms of AR were type 1 in 41 patients, type 2 in 62, and type 3 in 60. Agreement between TEE and surgical inspection was 93% (kappa=0.90). Valve sparing or repair was performed in 125 patients and valve replacement in 38 patients. TEE correctly predicted the final surgical approach in 108/125 (86%) patients undergoing repair and in 35/38 (93%) patients undergoing replacement. The gross anatomic classification of AR lesions by TEE was determinant of valve repairability and postoperative outcome (4-year freedom from > grade 2 AR, reoperation, or death, P=0.04). CONCLUSIONS TEE provides a highly accurate anatomic assessment of all types of AR lesions. In addition, the functional anatomy of AR defined by TEE is strongly and independently predictive of valve repairability and postoperative outcome.
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40
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Jeanmart H, de Kerchove L, Glineur D, Goffinet JM, Rougui I, Van Dyck M, Noirhomme P, El Khoury G. Aortic Valve Repair: The Functional Approach to Leaflet Prolapse and Valve-Sparing Surgery. Ann Thorac Surg 2007; 83:S746-51; discussion S785-90. [PMID: 17257920 DOI: 10.1016/j.athoracsur.2006.10.089] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2006] [Revised: 10/11/2006] [Accepted: 10/23/2006] [Indexed: 11/30/2022]
Abstract
BACKGROUND Combined aortic valve repair and aortic valve-sparing surgery requires an approach determined by the leaflets and aortic root anatomy. METHODS Among patients referred for aortic root aneurysm, 114 patients underwent an aortic valve-sparing procedure in which a reimplantation or remodelling technique was used. The Gelweave Valsalva prosthesis (Sulzer Vascutek, Renfrewshire, UK) was used in 45 patients. Better molding of the prosthesis on the aortic annulus was achieved by a low proximal dissection and incisions on the prosthesis to respect the anatomy of the aortoventricular junction. The reimplantation technique was used in 58%, and 62% of all patients underwent an associated leaflet procedure. RESULTS The operative mortality rate was 1%, with a 2% immediate reoperation rate. During the mean follow-up 50 +/- 35 months, 3 patients (2.6%) needed reoperation for recurrent aortic regurgitation (n = 2) or aortic stenosis (n = 1). At the end of follow-up, aortic regurgitation grade exceeding 2 had occurred in 2.6% of patients (n = 3), and 98.2% were in New York Heart Association functional class 1 or 2. Neither the early nor mid-term results showed any differences among the different surgical techniques used (reimplantation, remodeling, Valsalva prosthesis, additional leaflet repair). CONCLUSIONS A complete approach to the different components of the aortic root allows good clinical results at mid-term.
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Affiliation(s)
- Hugues Jeanmart
- Department of Cardiovascular and Thoracic Surgery, UCL-Cliniques Universitaires Saint-Luc, Brussels, Belgium.
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41
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El Khoury G, Vanoverschelde JL, Glineur D, Pierard F, Verhelst RR, Rubay J, Funken JC, Watremez C, Astarci P, Lacroix V, Poncelet A, Noirhomme P. Repair of Bicuspid Aortic Valves in Patients With Aortic Regurgitation. Circulation 2006; 114:I610-6. [PMID: 16820646 DOI: 10.1161/circulationaha.105.001594] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background—
Bicuspid aortic valve regurgitation can be caused by a defect in the valve itself or by dysfunction of one or more components of the aortic root complex. A successful repair thus requires correction of all aspects of the problem simultaneously. We review our experience addressing both the valve and the aortic root when correcting bicuspid valve regurgitation.
Methods and Results—
Between 1996 and 2004, we treated 68 patients for aortic regurgitation. Thirty patients had isolated aortic regurgitation, and 38 had an associated ascending aortic aneurysm. All patients were treated using a standardized and integrated surgical technique, which included resection of the median raphe or leaflet plication, subcommissural annuloplasty, reinforcement of the leaflet free edge, and sinotubular junction plication. In the 38 patients with proximal aortic dilatation, reimplantation or remodeling of the aortic root was performed. Immediate postoperative echocardiography showed grade ≤1 aortic regurgitation in all patients. Three patients nonetheless needed an early re-operation because of recurrent regurgitation. No hospital mortality was observed. At a mean follow-up of 34 months after surgery, all patients were in New York Heart Association (NYHA) class 1 or 2. Two patients needed a re-operation (23 and 92 months, respectively). Echocardiographic follow-up showed no progression of the regurgitation in 58 surviving patients. Four patients progressed to grade 2 regurgitation.
Conclusion—
Our data indicate that regurgitant bicuspid aortic valves, whether alone or in association with a proximal aortic dilatation, can be repaired successfully provided that both the valve and the aortic root problems are treated simultaneously.
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Affiliation(s)
- Gébrine El Khoury
- Department of Cardiovascular and Thoracic Surgery, Cliniques Universitaires Saint-Luc, Brussels, Belgium.
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Gleason TG. Current Perspective on Aortic Valve Repair and Valve-Sparing Aortic Root Replacement. Semin Thorac Cardiovasc Surg 2006; 18:154-64. [PMID: 17157237 DOI: 10.1053/j.semtcvs.2006.07.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/21/2006] [Indexed: 11/11/2022]
Abstract
Aortic valve repair and valve-sparing aortic root replacement are attractive concepts because they offer the possibility of valve competence without structural deterioration due to nonviability and they preclude the need for anticoagulation. Enthusiasm for aortic valve repair has waxed and waned over the past 45 years due in part to the inherent technical difficulties and poor mid-term results. Renewed interest in the concept of aortic valve repair has paralleled the development of valve-sparing aortic root replacement over the last 20 years. A current perspective on aortic valve repair and valve-sparing aortic root replacement is presented in the following review. Historical background, indications for repair, technical considerations, and outcomes data are discussed.
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Affiliation(s)
- Thomas G Gleason
- Thoracic Aortic Surgery Program, Northwestern University Feinberg School of Medicine, Chicago, IL 60611-3056, USA.
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Kallenbach K, Karck M, Pak D, Salcher R, Khaladj N, Leyh R, Hagl C, Haverich A. Decade of aortic valve sparing reimplantation: are we pushing the limits too far? Circulation 2006; 112:I253-9. [PMID: 16159826 DOI: 10.1161/01.circulationaha.104.525907] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND This single center study assesses the outcome of aortic valve sparing reimplantation (AVS) in 284 consecutive patients who were operated on for various indications during the last 11 years. METHODS AND RESULTS From July, 1993, to July, 2004, 284 patients underwent AVS. Mean age was 53+/-16 (range 8 to 84) years. Of the 284 patients, 184 were male (64.8%) and 54 (19%) experienced Marfan's syndrome. Acute aortic dissection Stanford type A was present in 53 patients (19%) and a bicuspid aortic valve was present in 17 patients (6%). Concomitant arch replacement was necessary in 120 patients (42%). Additional procedures were performed in 66 patients (23.2%). Mean follow-up time was 41+/-32 (range 0 to 130) months. The 30-day mortality was 3.2% overall, 11.3% in emergency patients, and 1.3% in elective patients. Mean bypass time was 174+/-48 (range 90 to 440) minutes and aortic cross clamp time was 132+/-33 (range 64 to 283) minutes. In patients undergoing arch replacement, circulatory arrest was 25+/-17 (range 7 to 99) minutes. Rethoracotomy for bleeding was required in 4.6% of patients. During follow-up, there were 20 (7.3%) late deaths. Reoperation of the reconstructed valve was required in 15 patients (5.3%); underlying reasons were endocarditis (n=4) and aortic insufficiency (n=11) requiring aortic valve replacement. Average grade of aortic insufficiency increased significantly from 0.23+/-0.46 postoperatively to 0.34+/-0.59 at latest evaluation (P=0.026). Two patients experienced a transient ischemic attack early postoperatively; no further thromboembolic complications were noticed. The majority of patients (96%) presented with a favorable exercise tolerance at last contact. CONCLUSIONS The aortic valve reimplantation technique leads to excellent clinical outcome in patients with various pathologies. Lack of anticoagulation and favorable durability should encourage the extension of indications for this technique.
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Affiliation(s)
- Klaus Kallenbach
- Department of Thoracic and Cardiovascular Surgery, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany.
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44
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Lausberg HF, Schäfers HJ. Valve sparing aortic replacement - root remodeling. Multimed Man Cardiothorac Surg 2006; 2006:mmcts.2006.001982. [PMID: 24413460 DOI: 10.1510/mmcts.2006.001982] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Aortic root remodeling restores aortic root geometry and improves valve competence. We have used this technique whenever aorto-ventricular diameter is preserved. The operative technique is detained in this presentation. As a result of our 10-year experience with root remodeling we propose this operation as a reproducible option for patients with dilatation of the aortic root.
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Affiliation(s)
- Henning F Lausberg
- Department of Thoracic and Cardiovascular Surgery, University Hospitals of Saarland, D-66421 Homburg/Saar, Germany
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45
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Manovel-Sánchez A, López-Pardo F, Ordóñez-Fernández A. Insuficiencia aórtica de etiología poco habitual susceptible de reparación quirúrgica. Rev Esp Cardiol (Engl Ed) 2005. [DOI: 10.1157/13080969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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46
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Albes JM, Stock UA, Hartrumpf M. Restitution of the Aortic Valve: What is New, What is Proven, and What is Obsolete? Ann Thorac Surg 2005; 80:1540-9. [PMID: 16181920 DOI: 10.1016/j.athoracsur.2005.02.010] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2004] [Revised: 01/24/2005] [Accepted: 02/01/2005] [Indexed: 11/26/2022]
Abstract
Restitution strategies of the insufficient aortic valve belong to the clinical armamentarium. To date, the accumulated body of evidence comprises 126 articles dealing with restitution strategies on the insufficient aortic valve with concomitant aortic surgery. In a cumulative analysis an almost identical number of reimplantation (506) and remodeling (489) procedures were found in the literature, whereas 357 patients underwent aortic valve resuspension. The cumulative results tend to favor the reimplantation technique in terms of longevity of the reconstruction, particularly in congenital degenerative disorders of the aortic wall, whereas remodeling appears to exhibit a more physiologic behavior of the reconstructed valve and re-suspension serves as a simplified approach particularly in acute type A dissection. Although restitution of the native aortic valve has its place in current treatment options, the accumulated worldwide numbers indicate that it is not yet routinely implemented in the vast majority of cardiac institutions.
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Affiliation(s)
- Johannes M Albes
- Department of Cardiovascular Surgery, Heart Center Brandenburg, Bernau, Germany.
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47
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Schmidtke C, Poppe D, Dahmen G, Sievers HH. Echocardiographic and hemodynamic characteristics of reconstructed bicuspid aortic valves at rest and exercise. ACTA ACUST UNITED AC 2005; 94:437-44. [PMID: 15997344 DOI: 10.1007/s00392-005-0241-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2004] [Accepted: 01/21/2005] [Indexed: 01/17/2023]
Abstract
Repair of diseased bicuspid aortic valves has gained increasing interest as an alternative to conventional valve replacement. Hemodynamic data at exercise have not been reported before. The aim of this study was to investigate the clinical and echocardiographic status of patients after bicuspid aortic valve repair at rest and exercise. Between 03/94 and 09/02 a reconstruction of an incompetent bicuspid aortic valve was performed in 25 patients (mean age 35+/-12.1 years, group A, mean insufficiency 2.8 preoperatively). Patients were investigated clinically and echocardiographically after 2.1+/-2.4 (0.1-8.9) years at rest and exercise and compared to 20 controls (group B). Clinical followup was complete. There were no deaths, reoperations, thromboembolic or bleeding complications. At last examination 21 patients were in NYHA class I, n=4 in NYHA class II and mean aortic valve insufficiency (AI) was 1.0 with one patient having an AI>II degrees. Maximum and mean pressure gradient (dPmax/mean) across the aortic valve at rest were 14+/-5.5/7+/-2.6 mmHg for patients of group A and 7+/-2.5/3.6+/-1.1 mmHg in group B. Mean AVA at rest was 2.6+/-0.8 (group A) vs 2.9+/-0.6 cm(2) (group B, p=0.025), valvular resistance 13.4+/-4.8 (group A) vs 13.6+/-2.9 dyn x s x cm(-5) (group B, p>0.05). All individuals were stressed up to 100 W (dPmax/mean 21+/-6.8/11+/-3.6, group A vs 11+/-2.9/6+/-1.3 mmHg, group B). 56% of group A and 85% of group B could be stressed up to 175 W with dPmax/mean 24.5+/-8.3/12+/-4.2 and 16+/-3.6/8+/-1.4 mmHg, respectively (p<0. 01). Heart rate and blood pressure behavior were comparable. Left ventricular mass regression (preoperatively 369.3+/-76.4 vs 277.3+/-80.7 g at last examination, p<0.01) was significant in group A but did not reach normal values (group B, 227.8+/-71.1; p<0.01). Bicuspid aortic valve reconstruction reduces left ventricular volume load significantly. Although residual mild subclinical obstruction and incompetence were observed, the behavior of hemodynamics at exercise was comparable to controls. The clinical relevance of these findings in long term follow-up has to be evaluated.
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Affiliation(s)
- C Schmidtke
- Klinik für Herzchirurgie, Universitätsklinikum Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, 23538 Lübeck, Germany.
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Schäfers HJ. Reconstruction of bicuspid aortic valves. Surgical tool or toy? ZEITSCHRIFT FUR KARDIOLOGIE 2005; 94:431-3. [PMID: 15997342 DOI: 10.1007/s00392-005-0242-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2005] [Accepted: 01/21/2005] [Indexed: 05/03/2023]
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Dagenais F, Bauset R, Mathieu P. Aortic Valve-Sparing Procedure With Cusp Elongation and Free Edge Reinforcement for Bicuspid Aortic Valve. Ann Thorac Surg 2005; 79:1393-5. [PMID: 15797089 DOI: 10.1016/j.athoracsur.2003.10.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/02/2003] [Indexed: 10/25/2022]
Abstract
Aortic valve-sparing procedures demonstrate excellent valvular function at midterm. Recently authors have reported acceptable early results with aortic valve-sparing procedures on patients with regurgitant bicuspid valves. We report the case of a novel procedure to preserve bicuspid valves with a calcified raphe and root dilatation. This procedure includes raphe excision, pericardial patch elongation, free edge leaflet reinforcement, and a root reimplantation valve-sparing procedure.
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Affiliation(s)
- Francois Dagenais
- Department of Cardiovascular Surgery, Québec Heart Institute, Laval Hospital, Sainte-Foy, Quebec, Canada.
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Langer F, Aicher D, Kissinger A, Wendler O, Lausberg H, Fries R, Schäfers HJ. Aortic Valve Repair Using a Differentiated Surgical Strategy. Circulation 2004; 110:II67-73. [PMID: 15364841 DOI: 10.1161/01.cir.0000138383.01283.b8] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Reconstruction of the aortic valve for aortic regurgitation (AR) remains challenging, in part because of not only cusp or root pathology but also a combination of both can be responsible for this valve dysfunction. We have systematically tailored the repair to the individual pathology of cusps and root. METHODS Between October 1995 and August 2003, aortic valve repair was performed in 282 of 493 patients undergoing surgery for AR and concomitant disease. Root dilatation was corrected by subcommissural plication (n=59), supracommissural aortic replacement (n=27), root remodeling (n=175), or valve reimplantation within a graft (n=24). Cusp prolapse was corrected by plication of the free margin (n=157) or triangular resection (n =36), cusp defects were closed with a pericardial patch (n=16). Additional procedures were arch replacement (n=114), coronary artery bypass graft (n=60) or mitral repair (n=24). All patients were followed-up (follow-up 99.6% complete), and cumulative follow-up was 8425 patient-months (mean, 33+/-27 months).Results- Eleven patients died in hospital (3.9%). Nine patients underwent reoperation for recurrent AR (3.3%). Actuarial freedom from AR grade > or =II at 5 years was 81% for isolated valve repair, 84% for isolated root replacement, and 94% for combination of both; actuarial freedom from reoperation at 5 years was 93%, 95%, and 98%, respectively. No thromboembolic events occurred, and there was 1 episode of endocarditis 4.5 years postoperatively. CONCLUSIONS Aortic valve repair is feasible even for complex mechanisms of AR with a systematic and individually tailored approach. Operative mortality is low and mid-term durability is encouraging. The incidence of valve-related morbidity is low compared with valve replacement.
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Affiliation(s)
- Frank Langer
- Department of Thoracic and Cardiovascular Surgery, University Hospitals Homburg, Homburg, Germany
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