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Nakayama T, Nakamura Y, Shikata F, Ushijima M, Yasumoto Y, Yoshiyama D, Kuroda M, Sawa S, Tsuruta R, Furutachi A, Narita T, Ito Y. Thrombocytopenia Following Perceval Sutureless Aortic Valve Replacement in Asian Patients. Circ J 2024; 88:549-558. [PMID: 36709983 DOI: 10.1253/circj.cj-22-0587] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
BACKGROUND This study analyzed the safety and performance of the Perceval valve for aortic valve replacement (AVR) in patients at 1 year after undergoing aortic stenosis (AS) treatment, and its effect on significant declines in the platelet count during the immediate postoperative period.Methods and Results: Data were collected retrospectively for the initial 121 patients (median age 77 years; 47.1% females) who underwent Perceval sutureless AVR between May 2019 and July 2022. Implantation was successful in all (100%), with median cross-clamp and CPB times of 59 and 100 min, respectively. Postoperative thrombocytopenia (platelet count <50×103/μL) was noted in 80 (66.1%) patients. Multivariate analysis showed advanced age (>80 years), preoperative low platelet count (<200×103/μL), and a sternotomy approach as significant risk factors for postoperative thrombocytopenia. One (0.8%) patient died within 30 days after the procedure. The 2-year site-reported event rate was 14% (n=17) for all-cause mortality, 0.8% (n=1) for cardiac mortality, 4.1% (n=5) for stroke, and 1.7% (n=2) for endocarditis and valve-related reoperation; there were no instances of paravalvular leakage or structural valve deterioration. CONCLUSIONS Thrombocytopenia was common after Perceval sutureless AVR, although its impact was not significant. Although Perceval sutureless AVR was found to be a safe and effective option, preoperative assessment of potential bleeding should be performed and the Perceval valve should not be used for patients with a high bleeding risk.
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Affiliation(s)
- Taisuke Nakayama
- Department of Cardiovascular Surgery, Chiba-Nishi General Hospital
| | | | - Fumiaki Shikata
- Department of Cardiovascular Surgery, Kitasato University School of Medicine
| | - Masaki Ushijima
- Department of Cardiovascular Surgery, Chiba-Nishi General Hospital
| | - Yuto Yasumoto
- Department of Cardiovascular Surgery, Chiba-Nishi General Hospital
| | - Daiki Yoshiyama
- Department of Cardiovascular Surgery, Chiba-Nishi General Hospital
| | - Miho Kuroda
- Department of Cardiovascular Surgery, Chiba-Nishi General Hospital
| | - Shintaro Sawa
- Department of Cardiovascular Surgery, Chiba-Nishi General Hospital
| | - Ryo Tsuruta
- Department of Cardiovascular Surgery, Chiba-Nishi General Hospital
| | - Akira Furutachi
- Department of Cardiovascular Surgery, Chiba-Nishi General Hospital
| | - Takuya Narita
- Department of Cardiovascular Surgery, Chiba-Nishi General Hospital
| | - Yujiro Ito
- Department of Cardiovascular Surgery, Chiba-Nishi General Hospital
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Fialka NM, EL-Andari R, Wang S, Dokollari A, Kent WDT, Fatehi Hassanabad A. The Perceval Sutureless Bioprosthetic Aortic Valve: Evolution of Surgical Valve Technology. INNOVATIONS-TECHNOLOGY AND TECHNIQUES IN CARDIOTHORACIC AND VASCULAR SURGERY 2024; 19:125-135. [PMID: 38465600 PMCID: PMC11055413 DOI: 10.1177/15569845241231989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
OBJECTIVE The surgical treatment of aortic stenosis continues to evolve, and sutureless aortic valve replacement (SUAVR) is an emerging technology. With the Perceval S (Corcym, London, UK) as the only true sutureless valve on the market, the objective of this review is to analyze the current literature on Perceval S. Focusing on valve design and deployment as well as applications of the technology for challenging pathology, clinical outcomes are assessed, including a comparison with transcatheter AVR (TAVR). METHODS PubMed and MEDLINE were searched by 3 authors for studies analyzing SUAVR from inception to May 19, 2023. RESULTS SUAVR facilitates minimally invasive surgery and offers an alternative strategy for patients with small aortic annuli. It also has a time-saving advantage for patients who require complex operations. SUAVR results in excellent long-term morbidity, mortality, durability, and hemodynamic function. In comparison with conventional surgical AVR (SAVR), SUAVR does have a greater risk of postoperative pacemaker implantation; however, increasing user experience and refinements in implantation technique have contributed to reductions in this outcome. SUAVR results in morbidity and mortality that is similar to rapid-deployment AVR. Midterm outcomes are superior to TAVR; however, further robust investigation into all of these comparisons is ultimately necessary. CONCLUSIONS SUAVR bridges the gap in technology between SAVR and TAVR. The application of this exciting technology will undoubtedly grow in the coming years, during which additional investigation is paramount to optimize preoperative planning, valve deployment, and reintervention strategies.
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Affiliation(s)
- Nicholas M. Fialka
- Division of Cardiac Surgery, Department of Surgery, University of Alberta, Edmonton, AB, Canada
| | - Ryaan EL-Andari
- Division of Cardiac Surgery, Department of Surgery, University of Alberta, Edmonton, AB, Canada
| | - Shaohua Wang
- Division of Cardiac Surgery, Department of Surgery, University of Alberta, Edmonton, AB, Canada
| | - Aleksander Dokollari
- Section of Cardiac Surgery, St. Boniface Hospital, University of Manitoba, Winnipeg, MB, Canada
| | - William D. T. Kent
- Section of Cardiac Surgery, Division of Cardiac Sciences, Libin Cardiovascular Institute, University of Calgary, AB, Canada
| | - Ali Fatehi Hassanabad
- Section of Cardiac Surgery, Division of Cardiac Sciences, Libin Cardiovascular Institute, University of Calgary, AB, Canada
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Kapadia SJ, Salmasi MY, Zientara A, Roussin I, Quarto C, Asimakopoulos G. Perceval sutureless bioprosthesis versus Perimount sutured bioprosthesis for aortic valve replacement in patients with aortic stenosis: a retrospective, propensity-matched study. J Cardiothorac Surg 2024; 19:95. [PMID: 38355617 PMCID: PMC10865583 DOI: 10.1186/s13019-024-02575-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 01/30/2024] [Indexed: 02/16/2024] Open
Abstract
BACKGROUND Rapid-deployment aortic valve replacement (RDAVR) is an alternative to conventional AVR (cAVR) for aortic stenosis. Benefits include a reduction in operative times, facilitation of minimal access surgery and superior haemodynamics compared to conventional valves. However, further evidence is required to inform guidelines, preferably in the form of propensity-matched studies that include mid-term follow-up data. METHODS This was a single-centre, retrospective, propensity-matched cohort study comparing the Perceval and conventional Perimount Magna Ease valve for short- and mid-term clinical parameters and size-matched mid-term echocardiographic parameters (n = 102 in both groups) from 2014 to 2020. Data were extracted from a nationally managed dataset. RESULTS There were no demographic differences between the matched groups. The Perceval group had shorter cross-clamp time (Perceval 62 [49-81] minutes; Perimount 79 [63-102] minutes, P < 0.001), shorter bypass time (Perceval 89 [74-114] minutes; Perimount 104 [84-137] minutes, P < 0.001), and more frequent minimally-invasive approaches (Perceval 28%; Perimount 5%, P < 0.001). Size-matched haemodynamics showed initially higher gradients in the Perceval group, but haemodynamics equalised at 12 + months. The Perceval group had a more favourable % change in the left ventricular posterior wall dimension at 2 + years (Perceval - 4.8 ± 18; Perimount 17 ± 2). CONCLUSIONS The Perceval facilitated shorter operations, which may benefit intermediate-high-risk, elderly patients with comorbidities requiring concomitant procedures. It also facilitated minimally invasive surgery. Size-matched haemodynamic performance was similar at mid-term follow-up, with the Perceval possibly better facilitating regression of left ventricular hypertrophy.
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Affiliation(s)
- Sharan J Kapadia
- Imperial College School of Medicine, Exhibition Rd, South Kensington, London, SW7 2BX, UK.
| | - Mohammed Yousuf Salmasi
- Imperial College School of Medicine, Exhibition Rd, South Kensington, London, SW7 2BX, UK
- Department of Cardiothoracic Surgery, Royal Brompton and Harefield NHS Foundation Trust, Sydney Street, London, SW3 6NP, UK
| | - Alicja Zientara
- Department for Cardiac and Vascular Surgery, University of Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany
| | - Isabelle Roussin
- Department of Cardiology, Lister Hospital East and North Hertfordshire NHS Trust, Coreys Mill Ln, Stevenage, SG1 4AB, UK
| | - Cesare Quarto
- Department of Cardiothoracic Surgery, Royal Brompton and Harefield NHS Foundation Trust, Sydney Street, London, SW3 6NP, UK
| | - George Asimakopoulos
- Department of Cardiothoracic Surgery, Royal Brompton and Harefield NHS Foundation Trust, Sydney Street, London, SW3 6NP, UK
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Permsuwan U, Singhatanadgige S, Boonpipattanapong K, Slisatkorn W, Chartrungsan A, Nitayavardhana P, Luangthong N, Porapakkham P, Yadee J. Cost-utility analysis of sutureless and rapid deployment versus conventional aortic valve replacement in patients with moderate to severe aortic stenosis in Thailand. PLoS One 2024; 19:e0296875. [PMID: 38241391 PMCID: PMC10798510 DOI: 10.1371/journal.pone.0296875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 12/20/2023] [Indexed: 01/21/2024] Open
Abstract
BACKGROUND Sutureless and rapid deployment aortic valve replacement (SUAVR) has become an alternative to conventional aortic valve replacement (CAVR) for aortic stenosis (AS) treatment due to its advantages in reducing surgery time and improving outcomes. This study aimed to assess the cost-utility of SUAVR vs. CAVR treatment for patients with moderate to severe AS in Thailand. METHODS A two-part constructed model was used to estimate the lifetime costs and quality-adjusted life years (QALYs) from both societal and healthcare perspectives. Data on short-term mortality, complications, cost, and utility data were obtained from the Thai population. Long-term clinical data were derived from clinical studies. Costs and QALYs were discounted annually at 3% and presented as 2022 values. The incremental cost-effectiveness ratio (ICER) was calculated to determine additional cost per QALY gained. Deterministic and probabilistic sensitivity analyses were performed. RESULTS SUAVR treatment incurred higher costs compared with CAVR treatment from both societal (THB 1,733,355 [USD 147,897] vs THB 1,220,643 [USD 104,150]) and healthcare provider perspectives (THB 1,594,174 [USD 136,022] vs THB 1,065,460 [USD 90,910]). In addition, SUAVR treatment resulted in lower health outcomes, with 6.20 life-years (LYs) and 4.95 QALYs, while CAVR treatment achieved 6.29 LYs and 5.08 QALYs. SUAVR treatment was considered as a dominated treatment strategy using both perspectives. Sensitivity analyses indicated the significant impact of changes in utilities and long-term mortality on the model. CONCLUSION SUAVR treatment is not a cost-effective treatment strategy compared with CAVR treatment for patients with moderate-severe AS in Thailand, as it leads to higher costs and inferior health outcomes. Other important issues related to specific patients such as those with minimally invasive surgery, those undergoing AVR with concomitant procedures, and those with calcified and small aortic root should be taken into account.
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Affiliation(s)
- Unchalee Permsuwan
- Center for Medical and Health Technology Assessment (CM-HTA), Department of Pharmaceutical Care, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, Thailand
- Department of Pharmaceutical Care, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, Thailand
| | - Seri Singhatanadgige
- Division of Cardiothoracic Surgery, Department of Surgery, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Kawinnooch Boonpipattanapong
- Division of Cardiothoracic Surgery, Department of Surgery, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Worawong Slisatkorn
- Division of Cardio-Thoracic Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Angsu Chartrungsan
- Division of Cardio-Thoracic Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Prompak Nitayavardhana
- Division of Cardio-Thoracic Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Nutthawadee Luangthong
- Division of Cardio-Thoracic Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Pramote Porapakkham
- Department of Cardiothoracic Surgery, Central Chest Institute of Thailand, Nonthaburi, Thailand
| | - Jirawit Yadee
- Center for Medical and Health Technology Assessment (CM-HTA), Department of Pharmaceutical Care, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, Thailand
- Department of Pharmaceutical Care, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, Thailand
- Ph.D. Degree Program in Pharmacy, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, Thailand
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Fallon JM, Malenka DJ, Ross CS, Ramkumar N, Seshasayee SM, Westbrook BM, Hirashima F, Quinn RD. The Northern New England Rapid Deployment Valve Experience: Survival and Procedural Outcomes From 2015 to 2021. INNOVATIONS-TECHNOLOGY AND TECHNIQUES IN CARDIOTHORACIC AND VASCULAR SURGERY 2024; 19:54-63. [PMID: 38318656 DOI: 10.1177/15569845231223504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
OBJECTIVE The optimal approach and choice of initial aortic valve replacement (AVR) is evolving in the growing era of transcatheter AVR. Further survival and hemodynamic data are needed to compare the emerging role of rapid deployment (rdAVR) versus stented (sAVR) valve options for AVR. METHODS The Northern New England Cardiovascular Database was queried for patients undergoing either isolated AVR or AVR + coronary artery bypass grafting (CABG) with rdAVR or sAVR aortic valves between 2015 and 2021. Exclusion criteria included endocarditis, mechanical valves, dissection, emergency case status, and prior sternotomy. This resulted in a cohort including 1,616 sAVR and 538 rdAVR cases. After propensity weighting, procedural characteristics, hemodynamic variables, and survival outcomes were examined. RESULTS The breakdown of the overall cohort (2,154) included 1,164 isolated AVR (222 rdAVR, 942 sAVR) and 990 AVR + CABG (316 rdAVR, 674 sAVR). After inverse propensity weighting, cohorts were well matched, notable only for more patients <50 years in the sAVR group (4.0% vs 1.9%, standardized mean difference [SMD] = -0.12). Cross-clamp (89 vs 64 min, SMD = -0.71) and cardiopulmonary bypass (121 vs 91 min, SMD = -0.68) times were considerably longer for sAVR versus rdAVR. Immediate postreplacement aortic gradient decreased with larger valve size but did not differ significantly between comparable sAVR and rdAVR valve sizes or overall (6.5 vs 6.7 mm Hg, SMD = 0.09). Implanted rdAVR tended to be larger with 51% either size L or XL versus 37.4% of sAVR ≥25 mm. Despite a temporal decrease in pacemaker rate within the rdAVR cohort, the overall pacemaker frequency was less in sAVR versus rdAVR (4.4% vs 7.4%, SMD = 0.12), and significantly higher rates were seen in size L (10.3% vs 3.7%, P < 0.002) and XL (15% vs 5.6%, P < 0.004) rdAVR versus sAVR. No significant difference in major adverse cardiac events (4.6% vs 4.6%, SMD = 0.01), 30-day survival (1.5% vs 2.6%, SMD = 0.08), or long-term survival out to 4 years were seen between sAVR and rdAVR. CONCLUSIONS Rapid deployment valves offer a safe alternative to sAVR with significantly decreased cross-clamp and cardiopulmonary bypass times. Despite larger implantation sizes, we did not appreciate a comparative difference in immediate postoperative gradients, and although pacemaker rates are improving, they remain higher in rdAVR compared with sAVR. Longer-term hemodynamic and survival follow-up are needed.
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Affiliation(s)
- John M Fallon
- Department of Cardiac Surgery, Maine Medical Center, Portland, ME, USA
| | - David J Malenka
- Department of Cardiology, Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA
| | - Cathy S Ross
- Department of Cardiology, Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA
| | - Niveditta Ramkumar
- Department of Cardiology, Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA
| | | | | | | | - Reed D Quinn
- Department of Cardiac Surgery, Maine Medical Center, Portland, ME, USA
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Pozzi M, Mariani S, Scanziani M, Passolunghi D, Bruni A, Finazzi A, Lettino M, Foti G, Bellelli G, Marchetto G. The frail patient undergoing cardiac surgery: lessons learned and future perspectives. Front Cardiovasc Med 2023; 10:1295108. [PMID: 38124896 PMCID: PMC10731467 DOI: 10.3389/fcvm.2023.1295108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 11/27/2023] [Indexed: 12/23/2023] Open
Abstract
Frailty is a geriatric condition characterized by the reduction of the individual's homeostatic reserves. It determines an increased vulnerability to endogenous and exogenous stressors and can lead to poor outcomes. It is an emerging concept in perioperative medicine, since an increasing number of patients undergoing surgical interventions are older and the traditional models of care seem to be inadequate to satisfy these patients' emerging clinical needs. Nowadays, the progressive technical and clinical improvements allow to offer cardiac operations to an older, sicker and frail population. For these reasons, a multidisciplinary team involving cardiac surgeons, clinical cardiologists, anesthesiologists, and geriatricians, is often needed to assess, select and provide tailored care to these high-risk frail patients to optimize clinical outcomes. There is unanimous agreement that frailty assessment may capture the individual's biological decline and the heterogeneity in risk profile for poor health-related outcomes among people of the same age. However, since commonly used preoperative scores for cardiac surgery fail to capture frailty, a specific preoperative assessment with dedicated tools is warranted to correctly recognize, measure and quantify frailty in these patients. On the contrary, pre-operative and post-operative interventions can reduce the risk of complications and support patient recovery promoting surgical resilience. Minimally invasive cardiac procedures aim to reduce surgical trauma and may be associated with better clinical outcome in this specific sub-group of high-risk patients. Among postoperative adverse events, the occurrence of delirium represents a risk factor for several unfavorable outcomes including mortality and subsequent cognitive decline. Its presence should be carefully recognized, triggering an adequate, evidence based, treatment. There is evidence, from several cross-section and longitudinal studies, that frailty and delirium may frequently overlap, with frailty serving both as a predisposing factor and as an outcome of delirium and delirium being a marker of a latent condition of frailty. In conclusion, frail patients are at increased risk to experience poor outcome after cardiac surgery. A multidisciplinary approach aimed to recognize more vulnerable individuals, optimize pre-operative conditions, reduce surgical invasivity and improve post-operative recovery is required to obtain optimal long-term outcome.
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Affiliation(s)
- Matteo Pozzi
- Department of Emergency and Intensive Care, IRCCS San Gerardo dei Tintori Foundation, Monza, Italy
| | - Silvia Mariani
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht, Netherlands
- Division of Cardiac Surgery, IRCCS San Gerardo dei Tintori Foundation, Monza, Italy
| | - Margherita Scanziani
- Department of Emergency and Intensive Care, IRCCS San Gerardo dei Tintori Foundation, Monza, Italy
| | - Davide Passolunghi
- Division of Cardiac Surgery, IRCCS San Gerardo dei Tintori Foundation, Monza, Italy
| | - Adriana Bruni
- Acute Geriatrics Unit, IRCCS San Gerardo dei Tintori Foundation, Monza, Italy
| | - Alberto Finazzi
- Acute Geriatrics Unit, IRCCS San Gerardo dei Tintori Foundation, Monza, Italy
- School of Medicine, University of Milan Bicocca, Monza, Italy
| | - Maddalena Lettino
- Department of Cardiovascular Medicine, IRCCS San Gerardo dei Tintori Foundation, Monza, Italy
| | - Giuseppe Foti
- Department of Emergency and Intensive Care, IRCCS San Gerardo dei Tintori Foundation, Monza, Italy
- School of Medicine, University of Milan Bicocca, Monza, Italy
| | - Giuseppe Bellelli
- Acute Geriatrics Unit, IRCCS San Gerardo dei Tintori Foundation, Monza, Italy
- School of Medicine, University of Milan Bicocca, Monza, Italy
| | - Giovanni Marchetto
- Division of Cardiac Surgery, IRCCS San Gerardo dei Tintori Foundation, Monza, Italy
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Haeussler A, Ntinopoulos V, Rings L, Papadopoulos N, Hoti G, Fleckenstein P, Dzemali O. Thrombocytopenia after Implantation of the Perceval, Intuity, and Sapien Aortic Valve Prostheses. Thorac Cardiovasc Surg 2023; 71:550-556. [PMID: 36462753 DOI: 10.1055/s-0042-1757893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Abstract
BACKGROUND An increased incidence of thrombocytopenia was reported after implantation of the LivaNova Perceval and the Edwards Sapien aortic valve bioprostheses. Aim of this study is to assess the perioperative platelet count and bleeding complications in three different types of aortic valve bioprostheses intended for high-risk patients, the sutureless LivaNova Perceval, the rapid deployment Edwards Intuity, and the transcatheter Edwards Sapien. METHODS We performed a retrospective analysis of the perioperative data of patients receiving the Perceval, Intuity, and Sapien aortic valve bioprosthesis. The platelet count was collected preoperatively, at nadir postoperatively, and at discharge. The bioprostheses were compared for between-group differences in platelet count and postoperative bleeding complications. RESULTS Overall, 37 patients received the Perceval, 42 the Intuity, and 58 the Sapien bioprosthesis. There was no significant between-group difference in the preoperative platelet count [Perceval 203(178-246)G/l, Intuity 214(190-232)G/l, Sapien 201(178-275)G/l, p = 0.800]. There was a significant between-group difference in the postoperative platelet count, both at nadir value [Perceval 57(37-80)G/l, Intuity 91(73-109)G/l, Sapien 126(105-170)G/l, p < 0.0001] and at discharge [Perceval 150(83-257)G/l, Intuity 239(200-343)G/l, Sapien 232(179-284)G/l, p = 0.001]. There was no significant between-group difference regarding red blood cell transfusions (p = 0.242), platelet transfusions (p = 0.656), and rethoracotomy for bleeding (p = 0.847). CONCLUSION We found a significant platelet count reduction in all three bioprostheses which was more marked in the Perceval group. The platelet count reduction was transient and fully recovered in the Intuity and Sapien groups, whereas the Perceval group showed only a partial platelet count recovery. However, bleeding complications were not different between the three bioprostheses.
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Affiliation(s)
- Achim Haeussler
- Department of Cardiac Surgery, City Hospital of Zurich - Triemli, Zurich, Switzerland
| | - Vasileios Ntinopoulos
- Department of Cardiac Surgery, City Hospital of Zurich - Triemli, Zurich, Switzerland
| | - Laura Rings
- Department of Cardiac Surgery, City Hospital of Zurich - Triemli, Zurich, Switzerland
| | - Nestoras Papadopoulos
- Department of Cardiac Surgery, City Hospital of Zurich - Triemli, Zurich, Switzerland
| | - Gojart Hoti
- Department of Cardiac Surgery, City Hospital of Zurich - Triemli, Zurich, Switzerland
| | - Philine Fleckenstein
- Department of Cardiac Surgery, City Hospital of Zurich - Triemli, Zurich, Switzerland
| | - Omer Dzemali
- Department of Cardiac Surgery, City Hospital of Zurich - Triemli, Zurich, Switzerland
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8
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Li HY, Tsai FC, Lu CH, Chou AH, Huang HC, Gersak B. Sutureless Valve in Bicuspid Aortic Stenosis: Modified Technique and Midterm Outcome. Thorac Cardiovasc Surg 2023; 71:535-541. [PMID: 35144289 DOI: 10.1055/s-0042-1742684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND The sutureless valve has gained popularity for degenerative aortic valve stenosis but not congenital bicuspid aortic valve (BAV) due to anatomical challenges. We reviewed our modified implant techniques for patients with BAV. METHODS From June 2015 to June 2019, 66 patients with aortic valve stenosis were treated with the Perceval sutureless valve, 20 of whom had BAV. The demographics, type of BAV (the Sievers classification), and associated pathologies, surgical outcomes, and midterm hemodynamics were recorded. RESULTS The median age was 64 (range: 49-81) years and the Society of Thoracic Surgeons score was 2.186 (range: 0.407-6.384). Annular plication was performed in 9 (75%) of 12 type 0 and 3 (37.5%) of 8 type I, with implanted valve sizes of M, L, and XL in 6, 10, 4 cases, respectively. Three patients, all type 0 in the initial learning periods, required intraoperative redeployment due to malposition of the valve. The final implant was successful in all without conversion to traditional prosthesis. The median extubation time was 4 hours and the durations of intensive care unit and hospital stay were 1 and 6 days. At a median follow-up of 46 (23-72) months, there was one late mortality due to hemorrhagic stroke sequel. The last echo revealed none had more than mild paravalvular leakage and the mean transvalvular pressure gradient remained stable at 9.70 (range: 6.94-15.0) mm Hg. CONCLUSION The sutureless valve can achieve satisfactory outcomes in BAV without paravalvular leakage and excellent hemodynamics. It may serve as the benchmark for transcatheter aortic valve implantation in this unique population.
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Affiliation(s)
- Han-Yan Li
- Division of Thoracic and Cardiovascular Surgery, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan
| | - Feng-Chun Tsai
- Division of Thoracic and Cardiovascular Surgery, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan
| | - Cheng-Hui Lu
- Division of Cardiology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan
| | - An-Hsun Chou
- Department of Anesthesiology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan
| | - Huei-Chiun Huang
- Department of Nursing, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan
| | - Borut Gersak
- University of Ljubljana School of Medicine, Chair of Surgery, Ljubljana, Slovenia Nisteri, Medicine and Research, Ljubljana, Slovenia
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Gallegos RP, Gersak B. The Sutureless Biological Bentall Procedure: A New Technique to Create a Modular Valve-Conduit Construct. INNOVATIONS-TECHNOLOGY AND TECHNIQUES IN CARDIOTHORACIC AND VASCULAR SURGERY 2023; 18:320-325. [PMID: 37458235 DOI: 10.1177/15569845231185797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
The Perceval sutureless valve (Corcym, Saluggia, Italy) has been effectively adopted by surgeons for the treatment of degenerative aortic valve stenosis. Its simplified true sutureless implantation technique has proven useful for minimally invasive cases, but the use of Perceval as part of more complex root replacement has not previously been described. We present a novel technical modification to the manufactured biologic Bentall, called the sutureless biological Bentall. This technique allows for a true modular valve-conduit construction that will simplify future reintervention.
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Affiliation(s)
| | - Borut Gersak
- University of Ljubljana School of Medicine, Slovenia
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Prieto-Lobato A, Nuche J, Avvedimento M, Paradis JM, Dumont E, Kalavrouziotis D, Mohammadi S, Rodés-Cabau J. Managing the challenge of a small aortic annulus in patients with severe aortic stenosis. Expert Rev Cardiovasc Ther 2023; 21:747-761. [PMID: 37869793 DOI: 10.1080/14779072.2023.2271395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 10/12/2023] [Indexed: 10/24/2023]
Abstract
INTRODUCTION Small aortic annulus (SAA) poses a challenge in the management of patients with severe aortic stenosis requiring aortic valve replacement - both surgical and transcatheter - since it has been associated with worse clinical outcomes. AREAS COVERED This review aims to comprehensively summarize the available evidence regarding the management of aortic stenosis in patients with SAA and discuss the current controversies as well as future perspectives in this field. EXPERT OPINION It is paramount to agree in a common definition for diagnosing and properly treating SAA patients, and for that purpose, multidetector computer tomography is essential. The results of recent trials led to the expansion of transcatheter aortic valve replacement among patients of all the surgical-risk spectrum, and the choice of treatment (transcatheter, surgical) should be based on patient comorbidities, anatomical characteristics, and patient preferences.
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Affiliation(s)
- Alicia Prieto-Lobato
- Quebec Heart & Lung Institute, Laval University, Quebec City, QC, Canada
- Hospital del Mar, Barcelona, Spain
| | - Jorge Nuche
- Quebec Heart & Lung Institute, Laval University, Quebec City, QC, Canada
| | - Marisa Avvedimento
- Quebec Heart & Lung Institute, Laval University, Quebec City, QC, Canada
| | | | - Eric Dumont
- Quebec Heart & Lung Institute, Laval University, Quebec City, QC, Canada
| | | | - Siamak Mohammadi
- Quebec Heart & Lung Institute, Laval University, Quebec City, QC, Canada
| | - Josep Rodés-Cabau
- Quebec Heart & Lung Institute, Laval University, Quebec City, QC, Canada
- Clínic Barcelona, Barcelona, Spain
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11
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Sakata T, De La Pena C, Ohira S. Rapid-Deployment Aortic Valve Replacement: Patient Selection and Special Considerations. Vasc Health Risk Manag 2023; 19:169-180. [PMID: 37016696 PMCID: PMC10066891 DOI: 10.2147/vhrm.s374410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 03/07/2023] [Indexed: 03/30/2023] Open
Abstract
Sutureless or rapid deployment valves in the setting of aortic valve replacement (AVR) is an emerging surgical technique using the transcatheter valve technology, which may lead to reduction in cross-clamp time and potentially better hemodynamics compared to a stented bioprosthetic valve. The absence of subannular pledgets results to excellent hemodynamic performance with reduced turbulent flow and larger effective orifice area. However, complications from both surgical and transcatheter AVR may still occur and impact survival. The incidence of paravalvular leakage and permanent pacemaker implantation are not low. Although technical modifications can improve these outcomes, there is a learning curve effect. Therefore, technical and anatomical considerations as well as better patient selection are paramount for better outcomes. In this review, we discuss the use of sutureless or rapid deployment valves in setting of (1) complex procedures, (2) minimally invasive AVR, and (3) small aortic annulus. The advantage of sutureless or rapid deployment valves in terms of mortality remains to be clarified; therefore, it is necessary to accumulate long-term outcomes in an appropriate patient cohort.
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Affiliation(s)
- Tomoki Sakata
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Corazon De La Pena
- Department of Surgery, Division of Cardiothoracic Surgery, Westchester Medical Center, New York Medical College, Valhalla, NY, USA
| | - Suguru Ohira
- Department of Surgery, Division of Cardiothoracic Surgery, Westchester Medical Center, New York Medical College, Valhalla, NY, USA
- Correspondence: Suguru Ohira, Department of Surgery, Division of Cardiothoracic Surgery, Westchester Medical Center, New York Medical College, 100 Woods Road, Macy Pavilion, Valhalla, NY, 10595, USA, Tel +1 404 234 5433, Email
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12
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Niinami H, Sawa Y, Shimokawa T, Domoto S, Nakamura Y, Sakaguchi T, Ito T, Toda K, Amano A, Gersak B. 1-year outcomes of patients implanted with the Perceval sutureless valve: the Japanese post-marketing surveillance study. Heart Vessels 2023; 38:949-956. [PMID: 36773041 DOI: 10.1007/s00380-023-02240-1] [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] [Received: 09/11/2022] [Accepted: 01/18/2023] [Indexed: 02/12/2023]
Abstract
Sutureless offers an alternative to standard valves in surgical aortic valve replacement (SAVR). We sought to confirm the efficacy and safety of the Perceval sutureless valve in Japanese patients. Prospective observational study of 204 patients who underwent SAVR with Perceval at 19 sites in Japan between March and December 2019. The primary outcomes were 30-day mortality and postoperative complications; the secondary outcome was all-cause mortality at 1 year. Efficacy outcomes were changed in New York Heart Association (NYHA) class, pressure gradients, effective orifice area (EOA), EOA indexed to body surface area (EOAi) and severity of aortic regurgitation. Mean age was 77.7 years, 62.7% were female. Procedural success rate was 99.0%. The median cross-clamp and cardiopulmonary bypass times were 68.0 and 108 min. Perceval size S and M were implanted in 95 (46.6%) and in 76 (37.3%) of patients, respectively. The 30-day and late mortality rate were 0.5% and 4.4%, while the new permanent pacemaker implantation rate was 4.4%. Mean pressure gradient was 13.0 mmHg at discharge, reaching 11.0 mmHg at 1 year; while the mean EOA was 1.5 cm2 at discharge remaining stable up to 1 year. No moderate or severe leakages were present at discharge or at 1 year. NYHA class improved by ≥ 1 level in 55.1% of the patients at discharge and in 69.4% of the patients at 1 year. 1-year outcomes of SAVR with the Perceval sutureless valve in Japanese patients were favorable. This valve offers a promising alternative to conventional biological AVR in this Japanese population.
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Affiliation(s)
- Hiroshi Niinami
- Department of Cardiovascular Surgery, The Heart Institute of Japan, Tokyo Women's Medical University Tokyo, Tokyo, Japan.
| | - Yoshiki Sawa
- Cardiovascular Surgery, Osaka University, Suita, Japan
| | - Tomoki Shimokawa
- Cardiovascular Surgery, Sakakibara Heart Institute Tokyo/Teikyo University, Fuchu, Japan
| | - Satoru Domoto
- Department of Cardiovascular Surgery, The Heart Institute of Japan, Tokyo Women's Medical University Tokyo, Tokyo, Japan
| | | | - Taichi Sakaguchi
- Cardiovascular Surgery, The Sakakibara Heart Institute of Okayama, Okayama, Japan
| | - Toshiaki Ito
- Cardiovascular Surgery, Japanese Red Cross Nagoya Daiichi Hospital, Nagoya, Japan
| | - Koichi Toda
- Cardiovascular Surgery, Osaka University, Suita, Japan
| | - Atsushi Amano
- Cardiovascular Surgery, Juntendo University Hospital, Tokyo, Japan
| | - Borut Gersak
- Medical Faculty/Nisteri, Medicine and Research, University of Ljubljana, Phoenix, AZ, USA
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Tan T, Wei P, Liu Y, Huang H, Zhuang J, Chen J, Liu J, Guo H. Safety and efficacy of two-port thoracoscopic aortic valve replacement. J Cardiothorac Surg 2023; 18:9. [PMID: 36611206 PMCID: PMC9824918 DOI: 10.1186/s13019-022-02086-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 12/11/2022] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Pure aortic valve disease is common and has been treated with sternotomy aortic valve replacement for decades. Minimally invasive cardiac surgery has been widely used in atrioventricular valve lesions, but totally thoracoscopic aortic valve replacement has rarely been reported. METHOD The profiles of 9 patients who were diagnosed with severe aortic valve diseases and treated with two-port thoracoscopic aortic valve replacement between February 2021 and February 2022 were retrospectively reviewed. The clinical data, including baseline characteristics, operative data, postoperative complications, and short-term outcomes, were reported. RESULTS All nine patients successfully underwent two-port thoracoscopic aortic valve replacement, with a cardiopulmonary bypass time of 137.56 ± 27.99 min and an aortic cross-clamp time of 95.33 ± 17.96 min. Seven (77.78%) patients underwent mechanical valve replacement, and two (22.22%) patients underwent bioprosthetic valve replacement. Two (22.22%) patients underwent a concomitant aortic root enlargement procedure. There were no intraoperative or postoperative deaths. The incidence of procedural complications was 0%, while the results of ventilation time, intensive care unit stay length, blood transfusion, chest tube drainage, and kidney function were satisfactory. CONCLUSION Two-port thoracoscopic aortic valve replacement is a safe and effective surgical treatment option for carefully selected patients with pure aortic valve diseases.
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Affiliation(s)
- Tong Tan
- Shantou University Medical College, Shantou, China
- Department of Cardiovascular Surgery, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of South China Structural Heart Disease, Guangzhou, China
| | - Peijian Wei
- Department of Structure Heart Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yanjun Liu
- Department of Cardiovascular Surgery, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of South China Structural Heart Disease, Guangzhou, China
| | - Huanlei Huang
- Department of Cardiovascular Surgery, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of South China Structural Heart Disease, Guangzhou, China
| | - Jian Zhuang
- Department of Cardiovascular Surgery, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of South China Structural Heart Disease, Guangzhou, China
| | - Jimei Chen
- Department of Cardiovascular Surgery, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of South China Structural Heart Disease, Guangzhou, China
| | - Jian Liu
- Department of Cardiovascular Surgery, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of South China Structural Heart Disease, Guangzhou, China.
| | - Huiming Guo
- Department of Cardiovascular Surgery, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of South China Structural Heart Disease, Guangzhou, China.
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14
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Falcetta G, Del Re F, Pratali S, Bortolotti U. Replacement of a Calcified Aortic Valve in a Porcine Aortic Root with the Perceval Sutureless Bioprosthesis. AORTA (STAMFORD, CONN.) 2022; 10:302-303. [PMID: 36539148 PMCID: PMC9767758 DOI: 10.1055/s-0042-1757795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
We report a 79-year-old patient who had aortic valve replacement (AVR) using a porcine aortic root. Due to degeneration of the porcine aortic valve, he required reoperation during which a heavily calcified porcine root and aortic annulus prevented insertion of any traditional bioprosthesis. AVR was achieved using a sutureless bioprosthesis, combined with mitral valve replacement. The present case confirms the feasibility and advantages of using sutureless valve implantation in complex and high-risk redo procedures.
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Affiliation(s)
- Giosuè Falcetta
- Section of Cardiac Surgery, Department of Cardiac Thoracic and Vascular Surgery, University Hospital, Pisa, Italy
| | - Federico Del Re
- Section of Cardiac Surgery, Department of Cardiac Thoracic and Vascular Surgery, University Hospital, Pisa, Italy
| | - Stefano Pratali
- Section of Cardiac Surgery, Department of Cardiac Thoracic and Vascular Surgery, University Hospital, Pisa, Italy
| | - Uberto Bortolotti
- Section of Cardiac Surgery, Department of Cardiac Thoracic and Vascular Surgery, University Hospital, Pisa, Italy,Address for correspondence Uberto Bortolotti, MD Largo Traiano 23, 35036 Montegrotto TermeItaly
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15
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Randomized controlled trial between conventional versus sutureless bioprostheses for aortic valve replacement: Impact of mini and full sternotomy access at 1-year follow-up. Int J Cardiol 2022; 368:56-61. [DOI: 10.1016/j.ijcard.2022.08.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 07/13/2022] [Accepted: 08/04/2022] [Indexed: 11/17/2022]
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16
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Ohira S, Pena CDL. The role of sutureless or rapid-deployment aortic valve prosthesis in bicuspid aortic valve: Standard AVR, TAVR, or somewhere in between? J Card Surg 2022; 37:3363-3364. [PMID: 35904124 DOI: 10.1111/jocs.16802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 07/09/2022] [Indexed: 11/29/2022]
Affiliation(s)
- Suguru Ohira
- Department of Surgery, Division of Cardiothoracic Surgery, Westchester Medical Center, New York Medical College, Valhalla, New York, USA
| | - Corazon De La Pena
- Department of Surgery, Division of Cardiothoracic Surgery, Westchester Medical Center, New York Medical College, Valhalla, New York, USA
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17
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Coti I, Werner P, Kaider A, Mach M, Kocher A, Laufer G, Andreas M. Rapid-deployment aortic valve replacement for patients with bicuspid aortic valve: a single-centre experience. Eur J Cardiothorac Surg 2022; 62:6514631. [DOI: 10.1093/ejcts/ezac017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 10/18/2021] [Accepted: 01/07/2022] [Indexed: 11/14/2022] Open
Abstract
Abstract
OBJECTIVES
The benefit of rapid-deployment aortic valve replacement (RD-AVR) in patients with a bicuspid aortic valve (BAV) is controversial due to aortic root asymmetry and potential increased risk for valve dislocation and paravalvular leak. This study aimed to analyse the outcomes of surgical aortic valve replacement with a rapid-deployment bioprosthesis in patients with a BAV.
METHODS
Between May 2010 and December 2020, all consecutive patients who underwent RD-AVR at the Medical University of Vienna were included in our institutional database. Assessment of preoperative characteristics, operative outcomes, long-term survival and clinical events was performed. The outcomes of patients presenting with a native BAV were compared with a control group of patients with native tricuspid valve (TAV); reoperative aortic valve replacements were excluded.
RESULTS
Out of 816 patients, who underwent RD-AVR at our institution, 107 patients with a BAV, mean age 68 (standard deviation: 8) years, were compared with a control group of 690 patients with a TAV, mean age 74 (standard deviation: 7) years; patients presenting with a BAV were significantly younger than patients with a TAV (P < 0.001). Concomitant procedures were performed in 44 (41.1%) patients in the BAV group and in 339 (49.1%) patients in the TAV group (P = 0.123); surgery of the ascending aorta was necessary in 24 (22.4%) in the BAV group, compared with 29 (4.2%) in the control group (P < 0.001). The 5-year cumulative incidence of moderate-to-severe paravalvular regurgitation in the BAV group was 10.7% [95% confidence interval (CI): 4.2–20.7%] and 3.9% (95% CI: 2.4–6.1%) in the TAV group (P = 0.057). Reoperation with valve explantation due to non-structural valve dysfunction at 5 years was 2.8% (95% CI: 0.5–8.8%) in the BAV group, compared to 1.9% (95% CI: 1.0–3.2%) in the TAV cohort (P = 0.89). The overall long-term survival rate in the BAV group was 92% (95% CI: 81–97%) at 5 years and 88% (95% CI: 73–95%), at 10 years, significantly better compared to the TAV group (log-rank test P = 0.002).
CONCLUSIONS
RD-AVR can be performed in patients with a BAV with convincingly medical outcomes. However, a trend to increased frequency of moderate–severe paravalvular regurgitation was observed at long-term follow-up. Consequently, a different surgical approach, compared to tricuspid valves, with distinctly specific technical- and anatomical considerations and requirements, is recommended.
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Affiliation(s)
- Iuliana Coti
- Department of Surgery, Division of Cardiac Surgery, Medical University of Vienna, Vienna, Austria
| | - Paul Werner
- Department of Surgery, Division of Cardiac Surgery, Medical University of Vienna, Vienna, Austria
| | - Alexandra Kaider
- Center for Medical Statistics, Informatics, and Intelligent Systems, Medical University of Vienna, Vienna, Austria
| | - Markus Mach
- Department of Surgery, Division of Cardiac Surgery, Medical University of Vienna, Vienna, Austria
| | - Alfred Kocher
- Department of Surgery, Division of Cardiac Surgery, Medical University of Vienna, Vienna, Austria
| | - Guenther Laufer
- Department of Surgery, Division of Cardiac Surgery, Medical University of Vienna, Vienna, Austria
| | - Martin Andreas
- Department of Surgery, Division of Cardiac Surgery, Medical University of Vienna, Vienna, Austria
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18
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Salmasi MY, Ramaraju S, Haq I, B Mohamed RA, Khan T, Oezalp F, Asimakopoulos G, Raja SG. Rapid deployment technology versus conventional sutured bioprostheses in aortic valve replacement. J Card Surg 2022; 37:640-655. [PMID: 35028981 PMCID: PMC9305745 DOI: 10.1111/jocs.16223] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 11/02/2021] [Indexed: 11/28/2022]
Abstract
Objectives Despite the benefits of rapid deployment aortic valve prostheses (RDAVR), conventional sutured valves (cAVR) are more commonly used in the treatment for aortic stenosis. Given the paucity of randomized studies, this study aimed to synthesize available data to compare both treatment options. Methods A systematic search of Pubmed, OVID, and MEDLINE was conducted to retrieve comparative studies for RDAVR versus cAVR in the treatment of aortic stenosis. Out of 1773 returned titles, 35 papers were used in the final analysis, including 1 randomized study, 1 registry study, 6 propensity‐matched studies, and 28 observational studies, incorporating a total of 10,381 participants (RDAVR n = 3686; cAVR n = 6310). Results Random‐effects meta‐analysis found no difference between the two treatment groups in terms of operative mortality, stroke, or bleeding (p > .05). The RDAVR group had reduced cardiopulmonary bypass (standardized mean difference [SMD]: −1.28, 95% confidence interval [CI]: [−1.35, −1.20], p < .001) and cross‐clamp times (SMD: −1.05, 95% CI: [−1.12, −0.98], p < .001). Length of stay in the intensive care unit was also shorter in the RDAVR group (SMD: −0.385, 95% CI: [−0.679, −0.092], p = .010). The risk of pacemaker insertion was higher for RDAVR (odds ratio [OR]: 2.41, 95% CI: [1.92, 3.01], p < .001) as was the risk of paravalvular leak (PVL) at midterm follow‐up (OR: 2.52, 95% CI: [1.32, 4.79], p = .005). Effective orifice area and transvalvular gradient were more favorable in RDAVR patients (p > .05). Conclusions Despite the benefits of RDAVR in terms of reduced operative time and enhanced recovery, the risk of pacemaker insertion and midterm PVL remains a significant cause for concern.
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Affiliation(s)
- Mohammad Yousuf Salmasi
- Department of Surgery, Imperial College London, UK.,Department of Cardiac Surgery, Royal Brompton and Harefield Trust, London, UK
| | | | - Iqraa Haq
- Department of Surgery, Imperial College London, UK
| | - Ryan A B Mohamed
- Department of Cardiac Surgery, Royal Brompton and Harefield Trust, London, UK
| | - Taimoor Khan
- Department of Cardiac Surgery, Royal Brompton and Harefield Trust, London, UK
| | - Faruk Oezalp
- Department of Cardiac Surgery, Royal Brompton and Harefield Trust, London, UK
| | | | - Shahzad G Raja
- Department of Cardiac Surgery, Royal Brompton and Harefield Trust, London, UK
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19
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Narayan P. Sutureless valves-are we there yet? Evidence from the PERSIST-AVR trial. Indian J Thorac Cardiovasc Surg 2022; 38:108-110. [PMID: 34898889 PMCID: PMC8630234 DOI: 10.1007/s12055-021-01289-9] [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: 09/13/2021] [Revised: 10/05/2021] [Accepted: 10/08/2021] [Indexed: 01/03/2023] Open
Abstract
Sutur eless valves have emerged as another option for implantation of a biological valve. Several benefits of sutureless valves have been reported in the literature. However, concerns have been raised over increased incidence of para-valvular leak and need for permanent pacemaker implantation. Most of the evidence has been obtained from observational and retrospective single institutional series. The Perceval Sutureless Implant Versus Standard-Aortic Valve Replacement (PERSIST-AVR) trial is the first multicentric randomized control trial to compare sutureless valves with standard bio-prosthesis. Evidence from this trial has been critically analyzed in this review.
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Affiliation(s)
- Pradeep Narayan
- grid.496646.f0000 0004 1806 0407Department of Cardiac Surgery, Rabindranath Tagore International Institute of Cardiac Sciences, Narayana Health, 124, EM Bypass, Mukundapur, Kolkata, 700099 India
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20
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OUP accepted manuscript. Eur J Cardiothorac Surg 2022; 61:1116-1117. [DOI: 10.1093/ejcts/ezac089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 01/28/2022] [Indexed: 11/15/2022] Open
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21
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OUP accepted manuscript. Eur J Cardiothorac Surg 2022; 62:6548864. [DOI: 10.1093/ejcts/ezac164] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 02/15/2022] [Accepted: 02/24/2022] [Indexed: 11/13/2022] Open
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22
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Salmasi MY, Papa K, Mozalbat D, Ashraf M, Zientara A, Chauhan I, Karadatkou N, Athanasiou T, Roussin I, Quarto C, Asimakopoulos G. Converging rapid deployment prostheses with minimal access surgery: analysis of early outcomes. J Cardiothorac Surg 2021; 16:355. [PMID: 34961528 PMCID: PMC8714419 DOI: 10.1186/s13019-021-01739-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 12/18/2021] [Indexed: 11/24/2022] Open
Abstract
Background Sutureless prostheses may have added benefit when combined with minimal access surgery, although this has not been fully assessed in the literature. This study aims to provide a comparative analysis of the Perceval valve comparing median sternotomy (MS) with mini-sternotomy (MIS). Methods A retrospective analysis of prospectively collected data was conducted for all isolated aortic valve replacement (AVR), using the Perceval valve, for severe aortic stenosis cases in the period 2014 to 2019. Patients undergoing concomitant valve or revascularisation surgery were excluded. Results A total of 78 patients were included: MS group 41; MIS group 37. Operatively, bypass times were comparable between MS and MIS groups (mean 89.3 vs 83.4, p = 0.307), as were aortic cross clamp times (58.4 vs 55.9, p = 0.434). There were no operative deaths or new onset post-operative neurology. MIS was a predictor of reduced stay in the intensive care unit (coef − 3.25, 95% CI [− 4.93, − 0.59], p = 0.036) and hospital stay overall (p = 0.004). Blood transfusion units were comparable as were the incidence of heart block (n = 5 vs n = 3, p = 0.429) and new onset atrial fibrillation (n = 15 vs n = 9, p = 0.250). Follow-up echocardiography found a significant improvement in effective orifice area, left ventricular dimension and volume indices, and LVEF (p > 0.05) for all patients. Multivariate analysis found mini-sternotomy to be a predictor for reduced LV diastolic volume (coef − 0.35, 95% CI [− 1.02, − 0.05], p = 0.05). Conclusions The combination of minimal access surgery and sutureless AVR may enhance patient recovery and provide early LV remodelling.
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Affiliation(s)
- M Yousuf Salmasi
- Department of Surgery, Imperial College London, 10th Floor QEQM, Praed Street, London, W2 1NY, UK. .,Royal Brompton and Harefield Foundation Trust, London, UK.
| | - Kristo Papa
- Royal Brompton and Harefield Foundation Trust, London, UK
| | - David Mozalbat
- Royal Brompton and Harefield Foundation Trust, London, UK
| | | | | | - Ishaan Chauhan
- Royal Brompton and Harefield Foundation Trust, London, UK
| | | | - Thanos Athanasiou
- Department of Surgery, Imperial College London, 10th Floor QEQM, Praed Street, London, W2 1NY, UK
| | | | - Cesare Quarto
- Royal Brompton and Harefield Foundation Trust, London, UK
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23
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Park SJ, Rhee Y, Lee CH, Kim HJ, Kim JB, Choo SJ, Lee JW. 3-Dimensional computed tomographic assessment predicts conduction block and paravalvular leakage after rapid-deployment aortic valve replacement. Eur J Cardiothorac Surg 2021; 61:899-907. [PMID: 34687534 DOI: 10.1093/ejcts/ezab431] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 07/30/2021] [Accepted: 08/19/2021] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVES Complications like complete atrioventricular block (CAVB) and paravalvular leakage (PVL) following rapid deployment aortic valve (AV) replacement (RDAVR) remain unresolved. Selecting an optimal size of the valve might be important to minimize the incidence of these complications. We sought to determine the impact of prosthesis size relative to the anatomic profile of the AV on the occurrence of CAVB or PVL after RDAVR. METHODS Preoperative computed tomographic (CT) images were evaluated in patients receiving RDAVR (INTUITY ELITE) between February 2016 and December 2019. The occurrence of CAVB requiring permanent pacemaker implantation and PVL (≥ mild) was evaluated. The relative size of implants against the cross-sectional dimensions of recipients' AV annulus and left ventricular outflow tract (LVOT) were calculated. RESULTS Among 187 eligible patients, CAVB and PVL (≥ mild) occurred in 12 (6.4%) and 11 patients (5.9%), respectively. CAVB was associated with oversized RDAVR (RDAVR frame width minus average diameter of LVOT calculated from the cross-sectional area [ΔLVOTarea]: odds ratio, 2.05; 95% confidence interval, 1.28-3.30): this was with an area under the curve of 0.78 (P = 0.005). The projected probability of CAVB was <3% when the ΔLVOTarea was <1.3. In contrast, PVL was associated with under-sized RDAVR (RDAVR size divided by the longest diameter of AV annulus [index Annlong]: odds ratio, 0.64; 95% confidence interval, 0.51-0.79): This was with an area under curve of 0.94 (P < 0.001). CONCLUSIONS CT parameters of the AV annulus and LVOT are highly reliable in the prediction of CAVB or PVL after RDAVR. Our data might justify CT-based sizing of prosthesis for RDAVR.
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Affiliation(s)
- Sung Jun Park
- Department of Thoracic and Cardiovascular Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, South Korea
| | - Younju Rhee
- Department of Thoracic and Cardiovascular Surgery, Chungnam National University Hospital, Chungnam National University College of Medicine, Daejeon, South Korea
| | - Chee-Hoon Lee
- Department of Thoracic and Cardiovascular Surgery, Pusan National University Yangsan Hospital, Medical Research Institute of Pusan National University, Busan, South Korea
| | - Ho Jin Kim
- Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Joon Bum Kim
- Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Suk Jung Choo
- Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Jae Won Lee
- Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
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24
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Sutureless Valves In Diseased Aortic Root and Aneurysm. Ann Thorac Surg 2021; 114:1093-1094. [PMID: 34678283 DOI: 10.1016/j.athoracsur.2021.09.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 09/18/2021] [Indexed: 11/21/2022]
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25
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Jug J, Štor Z, Geršak B. Anatomical circumstances and aortic cross-clamp time in minimally invasive aortic valve replacement. Interact Cardiovasc Thorac Surg 2021; 32:204-212. [PMID: 33236100 DOI: 10.1093/icvts/ivaa251] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/20/2020] [Accepted: 09/27/2020] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVES Prolonged operative times, potentially leading to increased morbidity, are a possible drawback of minimally invasive aortic valve replacement. The aim of this study was to assess the impact of anatomical circumstances in the chest on aortic cross-clamp time. METHODS This retrospective study included 68 patients who underwent minimally invasive aortic valve replacement with the Perceval sutureless valve via right-anterior thoracotomy or with ministernotomy. Anatomical variables were measured during preoperative computer tomography scans. RESULTS Aortic cross-clamp time was shorter in those having ministernotomy than in the right-anterior thoracotomy group (41.1 vs 52.3 min; P < 0.001). Cardiopulmonary bypass (CPB) time was not significantly different between groups (P = 0.09). A multivariable linear-regression model (P = 0.018) showed the aortic dextroposition variable to be a significant predictor of the aortic cross-clamp method and CPB times (P = 0.005 and P = 0.003) independent of other anatomical variables in the right thoracotomy group (10 mm deviation from optimal position prolonged the times for 240 and 600 s). For the whole cohort, a correlation between aortic valve dimensions and operative times was found (P = 0.046, P = 0.009). A linear-regression model (P = 0.046) predicted 90 s longer aortic cross-clamp time and 231 s longer CPB time for every 1 mm smaller aortic valve diameter. CONCLUSIONS The anatomical variables are associated with the operative times in minimally invasive aortic valve replacement with sutureless valves. Considering this association, preplanning the procedure is recommended.
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Affiliation(s)
- Jure Jug
- Faculty of Medicine, Chair of Surgery, University of Ljubljana, Ljubljana, Slovenia
| | - Zdravko Štor
- Department of Abdominal Surgery, University Medical Centre Ljubljana, Ljubljana, Slovenia
| | - Borut Geršak
- Faculty of Medicine, Chair of Surgery, University of Ljubljana, Ljubljana, Slovenia.,Nisteri, Medicine and Research, Ljubljana, Slovenia
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26
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Taboada-Martín R, Arribas-Leal JM, Esteve-Pastor MA, Abellán Alemán J, Marín F, Rivera-Caravaca JM, Cánovas-Lopez SJ. Comparison of Aortic Gradient and Ventricular Mass after Valve Replacement for Aortic Stenosis with Rapid Deployment, Sutureless, and Conventional Bioprostheses. Cardiology 2021; 146:656-666. [PMID: 34120109 DOI: 10.1159/000516465] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 04/07/2021] [Indexed: 11/19/2022]
Abstract
BACKGROUND The use of rapid deployment and sutureless aortic prostheses is increasing. Previous reports have shown promising results on haemodynamic performance and mortality rates. However, the impact of these bioprostheses on left ventricular mass (LVM) regression remains unknown. We decided to study the changes in remodelling and LVM regression in isolated severe aortic stenosis treated with conventional or Perceval® or Intuity® valves. METHOD AND RESULTS From January 2011 to January 2016, 324 bioprostheses were implanted in our centre. The collected characteristics were divided into 3 groups: conventional valves, Perceval®, and Intuity®, and they were analysed after 12 months. There were 183 conventional valves (56%), 72 Perceval® (22%), and 69 Intuity® (21.2%). The statistical analysis showed significant differences in transprosthetic postoperative peak gradient (23 [18-29] mm Hg vs. 21 [16-29] mm Hg and 18 [14-24] mm Hg, p < 0.001), ventricular mass electrical criteria regression (Sokolow and Cornell products), and 1-year survival (90 vs. 93% and 97%, log rank p value = 0.04) in conventional, Perceval®, and Intuity® groups. CONCLUSIONS We observed differences in haemodynamic, electrocardiographic, and echocardiographic parameters related to the different types of prosthesis. Patients with the Intuity® prosthesis had the highest reduction in peak aortic gradient and the higher ventricular mass regression. Besides, patients with the Intuity® prosthesis had less risk of mortality during follow-up than the other two groups. Further studies are needed to confirm these findings.
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Affiliation(s)
- Rubén Taboada-Martín
- Department of Cardiovascular Surgery, Hospital Clínico Universitario Virgen de la Arrixaca, IMIB-Arrixaca, Murcia, Spain
| | - José María Arribas-Leal
- Department of Cardiovascular Surgery, Hospital Clínico Universitario Virgen de la Arrixaca, IMIB-Arrixaca, Murcia, Spain
| | - María Asunción Esteve-Pastor
- Department of Cardiology, Hospital Clínico Universitario Virgen de la Arrixaca, University of Murcia, IMIB-Arrixaca, CIBERCV, Murcia, Spain
| | | | - Francisco Marín
- Department of Cardiology, Hospital Clínico Universitario Virgen de la Arrixaca, University of Murcia, IMIB-Arrixaca, CIBERCV, Murcia, Spain
| | - José Miguel Rivera-Caravaca
- Department of Cardiology, Hospital Clínico Universitario Virgen de la Arrixaca, University of Murcia, IMIB-Arrixaca, CIBERCV, Murcia, Spain
| | - Sergio Juan Cánovas-Lopez
- Department of Cardiovascular Surgery, Hospital Clínico Universitario Virgen de la Arrixaca, IMIB-Arrixaca, Murcia, Spain
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27
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Zubarevich A, Szczechowicz M, Zhigalov K, Osswald A, Van den Eynde J, Arjomandi Rad A, Vardanyan R, Wendt D, Schmack B, Ruhparwar A, Weymann A. Sutureless aortic valve replacement in multivalve procedures. J Thorac Dis 2021; 13:3392-3398. [PMID: 34277035 PMCID: PMC8264712 DOI: 10.21037/jtd-21-300] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 04/02/2021] [Indexed: 11/06/2022]
Abstract
Background Despite the rapid expansion of transcatheter approaches for aortic valve implantation, surgical aortic valve replacement remains the treatment of choice in patients presenting with multiple valvular heart disease. We sought to review our clinical experience with sutureless aortic valve replacement (SU-AVR) in the setting of multivalve procedures, addressing the postoperative outcomes and technical challenges. Methods Between December 2019 and December 2020, 20 consecutive high-risk patients at our institution underwent SU-AVR and concomitant mitral valve procedure for various indications. Results The mean age of the patients at operation was 72.6±9.3 years. Fifty five percent of the patients (n=11) presented with moderate to severe symptomatic aortic valve stenosis, while 35% (n=7) suffered from severe aortic regurgitation. All patients had concomitant moderate to severe mitral valve disease, including regurgitation in 95% (n=19) and stenosis in 25% (n=5). Mean logistic EuroSCORE was 34.3%±24.7%. Cardiopulmonary bypass and cross-clamp times were 101 (88.0-123) minutes and 67.5 (51.7-85.2) minutes, respectively. Optimal sutureless aortic valve prosthesis device success was achieved in 20 patients (100%). One patient (5%) required permanent pacemaker implantation. Thirty-day mortality was 10% and no strokes were detected. Conclusions SU-AVR is a safe and feasible surgical alternative to conventional procedures in patients presenting with multiple valvular heart disease. It provides excellent hemodynamic performance with low risk of paravalvular leakage and low transvalvular gradients, whilst simplifying the surgical procedure. Precise sizing and positioning of the valve prostheses is crucial to ensure optimal postoperative outcome.
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Affiliation(s)
- Alina Zubarevich
- Department of Thoracic and Cardiovascular Surgery, West German Heart and Vascular Center, University of Duisburg-Essen, Essen, Germany
| | - Marcin Szczechowicz
- Department of Thoracic and Cardiovascular Surgery, West German Heart and Vascular Center, University of Duisburg-Essen, Essen, Germany
| | - Konstantin Zhigalov
- Department of Thoracic and Cardiovascular Surgery, West German Heart and Vascular Center, University of Duisburg-Essen, Essen, Germany
| | - Anja Osswald
- Department of Thoracic and Cardiovascular Surgery, West German Heart and Vascular Center, University of Duisburg-Essen, Essen, Germany
| | - Jef Van den Eynde
- Department of Cardiovascular Diseases, University Hospitals Leuven, Leuven, Belgium
| | - Arian Arjomandi Rad
- Department of Medicine, Faculty of Medicine, Imperial College London, London, UK
| | - Robert Vardanyan
- Department of Medicine, Faculty of Medicine, Imperial College London, London, UK
| | - Daniel Wendt
- Department of Thoracic and Cardiovascular Surgery, West German Heart and Vascular Center, University of Duisburg-Essen, Essen, Germany
| | - Bastian Schmack
- Department of Thoracic and Cardiovascular Surgery, West German Heart and Vascular Center, University of Duisburg-Essen, Essen, Germany
| | - Arjang Ruhparwar
- Department of Thoracic and Cardiovascular Surgery, West German Heart and Vascular Center, University of Duisburg-Essen, Essen, Germany
| | - Alexander Weymann
- Department of Thoracic and Cardiovascular Surgery, West German Heart and Vascular Center, University of Duisburg-Essen, Essen, Germany
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28
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Ali Hassan SM, Paleczny S, Hamilton A, Payne DM, Petsikas D, Bisleri G. Is It Feasible To Implant Sutureless Valves In Presence of Diseased Aortic Root And Aortic Aneurysm? Ann Thorac Surg 2021; 113:e175-e178. [PMID: 34033744 DOI: 10.1016/j.athoracsur.2021.04.093] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 03/13/2021] [Accepted: 04/25/2021] [Indexed: 11/25/2022]
Abstract
Sutureless bioprosthetic valves are typically used in patients with a normal sized aortic root and annulus due to concerns that the stent portion of the valve will not be properly anchored. We describe an initial series of sutureless valve implantation in the setting of a diseased aortic root and ascending aortic aneurysm showing that the use of the Perceval valve is feasible in these complex situations.
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Affiliation(s)
- Syed M Ali Hassan
- Division of Cardiac Surgery, Queen's University, Kingston, ON, Canada
| | - Sarah Paleczny
- Division of Cardiac Surgery, Queen's University, Kingston, ON, Canada
| | - Andrew Hamilton
- Division of Cardiac Surgery, Queen's University, Kingston, ON, Canada
| | - Darrin M Payne
- Division of Cardiac Surgery, Queen's University, Kingston, ON, Canada
| | - Dimitri Petsikas
- Division of Cardiac Surgery, Queen's University, Kingston, ON, Canada
| | - Gianluigi Bisleri
- Division of Cardiac Surgery, University of Toronto, Toronto, ON, Canada.
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29
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Papakonstantinou NA, Baikoussis NG, Dedeilias P. Perceval S valve empire: healing the Achilles' heel of sutureless aortic valves. THE JOURNAL OF CARDIOVASCULAR SURGERY 2021; 62:625-631. [PMID: 34014059 DOI: 10.23736/s0021-9509.21.11608-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Aortic valve replacement is the treatment of choice concerning aortic valve disease. Excellent short- and longterm clinical results are reported. Patients referred for aortic valve replacement are getting older and older, so bioprosthetic valves play a more central role worldwide. However, patient comorbidities are also increased more often rendering patients unsuitable for open conventional aortic valve replacement. As a result, transcatheter aortic valve implantation has become the treatment of choice in patients at very high surgical risk. However, the percutaneous technique is related to major disadvantages provided that the diseased native valve is left in place. Its durability is also uncertain. More recently, sutureless Perceval S valve bioprosthesis has gained ground in the field of aortic stenosis therapy filling the gap between conventional aortic valve replacement and transcatheter approach. Excellent haemodynamic and clinical results are reported. Its deployment is performed under direct view and ischemic and overall operative times are significantly decreased. Five-year follow-up results are also optimal. However, the "Achilles' heel" of sutureless technology is increased rates of postoperative permanent pacemaker implantation requirement compared to conventional approach. The incidence of this complication varies in literature. Patient-related factors such as preoperative conduction disorders, older age and short membranous septum are predictors of postoperative pacemaker requirement. However, several technical modifications with regard to manufacturer recommendations can be adopted to mitigate this complication. Appropriate annular decalcification, higher guiding sutures placement, reduced balloon pressure and duration and avoiding of oversizing can contribute to prevent from this complication.
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Affiliation(s)
| | | | - Panagiotis Dedeilias
- Cardiothoracic Surgery Department, General Hospital of Athens Evangelismos', Athens, Greece
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30
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Glauber M, Kent WDT, Asimakopoulos G, Troise G, Padrò JM, Royse A, Marnette JM, Noirhomme P, Baghai M, Lewis M, Di Bacco L, Solinas M, Miceli A. Sutureless Valve in Repeated Aortic Valve Replacement: Results from an International Prospective Registry. INNOVATIONS-TECHNOLOGY AND TECHNIQUES IN CARDIOTHORACIC AND VASCULAR SURGERY 2021; 16:273-279. [PMID: 33866845 DOI: 10.1177/1556984521999323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVE To report early and midterm results registry of patients undergoing repeated aortic valve replacement (RAVR) with sutureless prostheses from an international prospective registry (SURE-AVR). METHODS Between March 2011 and June 2019, 69 patients underwent RAVR with self-expandable sutureless aortic bioprostheses at 22 international cardiac centers. RESULTS Overall mortality was 2.9% with a predicted logistic EuroSCORE II of 10.7%. Indications for RAVR were structural valve dysfunction (84.1%) and infective prosthetic endocarditis (15.9%) and were performed in patients with previously implanted bioprostheses (79.7%), mechanical valves (15.9%), and transcatheter valves (4.3%). Minimally invasive approach was performed in 15.9% of patients. Rate of stroke was 1.4% and rate of early valve-related reintervention was 1.4%. Overall survival rate at 1 and 5 years was 97% and 91%, respectively. No major paravalvular leak occurred. Rate of pacemaker implantation was 5.8% and 0.9% per patient-year early and at follow-up, respectively. The mean transvalvular gradient at 1-year and 5-year follow-up was 10.5 mm Hg and 11.5 mm Hg with a median effective orifice area of 1.8 cm2and 1.8 cm2, respectively. CONCLUSIONS RAVR with sutureless valves is a safe and effective approach and provides excellent clinical and hemodynamic results up to 5 years.
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Affiliation(s)
| | - William D T Kent
- 70401 Libin Cardiovascular Institute and University, Calgary, AB, Canada
| | | | | | | | | | | | | | - Max Baghai
- 111990 King's College Hospital, London, UK
| | - Michael Lewis
- 1949 Brighton and Sussex University Hospitals, Sussex, UK
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31
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Perceval Sutureless Aortic Valve Implantation: Midterm Outcomes. Ann Thorac Surg 2021; 111:1331-1337. [DOI: 10.1016/j.athoracsur.2020.06.064] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 05/23/2020] [Accepted: 06/16/2020] [Indexed: 12/26/2022]
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32
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Nguyen SN, Yamabe T, Zhao Y, Kurlansky PA, George I, Smith CR, Takayama H. Bicuspid-Associated Aortic Root Aneurysm: Mid to Long-Term Outcomes of David V Versus the Bio-Bentall Procedure. Semin Thorac Cardiovasc Surg 2021; 33:933-943. [PMID: 33609674 DOI: 10.1053/j.semtcvs.2021.02.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Accepted: 02/12/2021] [Indexed: 11/11/2022]
Abstract
David V valve-sparing root replacement (VSRR) and bio-Bentall (BB) are increasingly performed for aortic root aneurysms associated with a bicuspid aortic valve (BAV). However, durability remains a concern in both procedures. We compared the 10-year outcomes of VSRR vs BB for BAV-associated root aneurysms. A retrospective review identified 134 patients with a BAV-associated root aneurysm who underwent VSRR (n = 65) or BB (n = 69) from 2005 to 2019. Patients with aortic stenosis, endocarditis, previous aortic valve replacement, and emergent cases were excluded. Propensity-score matching was performed, resulting in 2 risk-adjusted groups (n = 40 per group). Median follow-up was 6.21 (1.43-8.28) years. The VSRR cohort was younger (46.0 years vs 56.0 years, P < 0.001) and had a lower incidence of at least moderate aortic insufficiency (AI) (78.5% vs 92.8%, P = 0.02). The incidence of Marfan syndrome, aortic root diameter, and ascending aortic diameter were similar. In-hospital mortality was 1.5% (n = 1) and 1.4% (n = 1) for VSRR and BB, respectively. There was no difference between VSRR and BB in 10-year survival (98.3% [95% confidence interval (CI): 88.6-99.8%] vs 96.2% [95% CI: 85.5-99.0%], P = 0.567) and aortic valve reintervention at 10 years (16.1% [95% CI: 6.3-29.8%] vs 12.9% [95% CI: 3.7-28.0%], P = 0.309). The most common reason for valve reintervention in both groups was AI. Survival and valve reintervention at 10 years were similar in the matched cohort. David V VSRR yields similar mid to long-term outcomes to BB for select patients with a BAV-associated aortic root aneurysm in regards to survival and reintervention rates. Further studies comparing longer term outcomes between root replacement techniques and native valve durability are needed.
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Affiliation(s)
- Stephanie N Nguyen
- Division of Cardiac, Thoracic, and Vascular Surgery, Department of Surgery, New York Presbyterian-Columbia University Medical Center, New York, New York
| | - Tsuyoshi Yamabe
- Division of Cardiac, Thoracic, and Vascular Surgery, Department of Surgery, New York Presbyterian-Columbia University Medical Center, New York, New York; Department of Cardiac Surgery, Shonan Kamakura General Hospital, Kamakura, Japan
| | - Yanling Zhao
- Division of Cardiac, Thoracic, and Vascular Surgery, Department of Surgery, New York Presbyterian-Columbia University Medical Center, New York, New York
| | - Paul A Kurlansky
- Division of Cardiac, Thoracic, and Vascular Surgery, Department of Surgery, New York Presbyterian-Columbia University Medical Center, New York, New York
| | - Isaac George
- Division of Cardiac, Thoracic, and Vascular Surgery, Department of Surgery, New York Presbyterian-Columbia University Medical Center, New York, New York
| | - Craig R Smith
- Division of Cardiac, Thoracic, and Vascular Surgery, Department of Surgery, New York Presbyterian-Columbia University Medical Center, New York, New York
| | - Hiroo Takayama
- Division of Cardiac, Thoracic, and Vascular Surgery, Department of Surgery, New York Presbyterian-Columbia University Medical Center, New York, New York.
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33
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Gatti G, Dell'Angela L, Belgrano M, Benussi B. Implantation of a Sutureless Valve Into a Surgically Enlarged Aortic Root: A Bailout Option. Heart Lung Circ 2021; 30:e72-e75. [PMID: 33602631 DOI: 10.1016/j.hlc.2020.12.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 10/29/2020] [Accepted: 12/09/2020] [Indexed: 11/16/2022]
Abstract
Sutureless bioprostheses such as the Sorin Perceval Valve (SPV; Sorin Group, Srl, Saluggia, Italy) have been proposed for replacing stenotic native valves within small aortic roots of geriatric patients with significant comorbidity. Their use seems as safe as that of stented bioprostheses and enables significantly reduced length of surgery. Low transprosthetic pressure gradients have been measured. Because of the radial force of its self-expandable nitinol stent, aortic annulus interruption could be a relative contraindication to SPV use. Off-label implantation of the SPV into a surgically enlarged ascending aorta was first reported in this study, as a bailout option in the presence of a tiny aortic root.
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Affiliation(s)
- Giuseppe Gatti
- Cardiothoracic and Vascular Department, Trieste University Hospital, Trieste, Italy.
| | - Luca Dell'Angela
- Division of Cardiology, Gorizia & Monfalcone Hospital, Gorizia, Italy
| | - Manuel Belgrano
- Department of Radiology, Trieste University Hospital, Trieste, Italy
| | - Bernardo Benussi
- Cardiothoracic and Vascular Department, Trieste University Hospital, Trieste, Italy
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34
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Tsai FC, Li HY, Chou AH, Huang HC, Gersak B. Modified Implant Technique of Perceval Sutureless Valve in Congenital Type 0 Bicuspid Valve Stenosis. Ann Thorac Surg 2021; 111:e369-e371. [PMID: 33524356 DOI: 10.1016/j.athoracsur.2020.10.084] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 08/31/2020] [Accepted: 10/27/2020] [Indexed: 11/27/2022]
Abstract
The Perceval sutureless valve has gained in popularity for treating degenerative aortic valve stenosis but not for congenital type 0 bicuspid aortic valve owing to anatomic challenges. We modified implant techniques following the four principles of ECHO-an acronym for elasticity, circularity, height, and orientation-to prevent paravalvular leakage and malposition.
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Affiliation(s)
- Feng-Chun Tsai
- Division of Thoracic and Cardiovascular Surgery, Chang Gung Memorial Hospital, Linkou, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Han-Yan Li
- Division of Thoracic and Cardiovascular Surgery, Chang Gung Memorial Hospital, Linkou, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - An-Hsun Chou
- Department of Anesthesiology, Chang Gung Memorial Hospital, Linkou, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Huei-Chiun Huang
- Department of Nursing, Chang Gung Memorial Hospital, Linkou, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Borut Gersak
- Department of Surgery, University of Ljubljana School of Medicine, Ljubljana, Slovenia; Nisteri, Medicine and Research, Ljubljana, Slovenia.
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35
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Nishijima S, Nakamura Y, Gersak B, Namiki S, Kouzaki T, Tsuchiya Y. Successful Aortic Valve Replacement With Perceval Bioprosthesis for Aortic Stenosis With Membranous Ventricular Septum Aneurysm. INNOVATIONS-TECHNOLOGY AND TECHNIQUES IN CARDIOTHORACIC AND VASCULAR SURGERY 2021; 16:195-197. [PMID: 33480294 DOI: 10.1177/1556984520984256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Membranous ventricular septum aneurysm (MVSA) is extremely rare, especially when coexisting with aortic stenosis (AS), and reports regarding the available treatment for MVSA with AS are limited. Aortic valve replacement (AVR) can be challenging because of anatomical reasons. In this case report, a patient with MVSA and severe AS was treated with AVR with the sutureless Perceval bioprosthesis. After implantation, no paravalvular leakage was detected in echocardiography, and no other postoperative complications were observed. Postoperative electrocardiography-gated computed tomography revealed no contrast enhancement for MVSA. The MVSA was closed by the Perceval bioprosthetic valve. Thus, patients with simultaneous MVSA and AS may be effectively treated with AVR using a Perceval bioprosthesis.
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Affiliation(s)
- Shuhei Nishijima
- 13605 Department of Cardiovascular Surgery, Chiba-nishi General Hospital, Matsudo, Japan
| | - Yoshitsugu Nakamura
- 13605 Department of Cardiovascular Surgery, Chiba-nishi General Hospital, Matsudo, Japan
| | - Borut Gersak
- 37663 Department of Cardiovascular Surgery, University of Ljubljana School of Medicine, Ljubljana, Slovenia.,Nisteri, Medicine and Research, Ljubljana, Slovenia
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36
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Komarov RN, Kleshchev PV. [Current problems of simultaneous surgery of the aortic valve and ischaemic heart disease]. ANGIOLOGII︠A︡ I SOSUDISTAI︠A︡ KHIRURGII︠A︡ = ANGIOLOGY AND VASCULAR SURGERY 2020; 26:168-174. [PMID: 33332320 DOI: 10.33529/angio2020416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Surgical policy in treatment of patients suffering from concomitant valvular pathology and ischaemic heart disease is an extremely important problem of contemporary cardiac surgery. With the advent of advanced techniques and due to the improvement of old ones, there have over the last decades appeared new approaches to treatment of this cohort of patients. Presented in the article is a review of current publications regarding the problem of surgical treatment of patients with a combination of pronounced valvular pathology requiring surgical correction and ischaemic heart disease necessitating the need for myocardial revascularization. This is followed by providing the data concerning contemporary strategies of treatment of patients with concomitant pathology, as well as the comparison of various approaches and the effect of the chosen technique on the outcome.
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Affiliation(s)
- R N Komarov
- Department of Cardiovascular and Aortic Surgery, University Clinical Hospital #1, I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - P V Kleshchev
- Cardiosurgical Department #42, Chief Military Clinical Hospital named after Academician N.N. Burdenko, Moscow, Russia
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37
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Carrel T, Heinisch PP. History, development and clinical perspectives of sutureless and rapid deployment surgical aortic valve replacement. Ann Cardiothorac Surg 2020; 9:375-385. [PMID: 33102176 DOI: 10.21037/acs-2020-surd-18] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Degenerative aortic stenosis is the most frequent valvular heart disease in industrialized countries. Conservative treatment may beneficially influence symptoms but is never successful. Surgical aortic valve replacement (SAVR) was the only recognized treatment option to provide substantially prolonged survival until 2008. Operative mortality of isolated SAVR has been reported as low as 0.5% to 1% in experienced institutions, while long-term survival is close to that observed in a control healthy population of similar age. A multitude of studies have demonstrated the beneficial effects of SAVR with regard to improvement in quality of life and physical performance in the majority of symptomatic patients. In the last decade, transcatheter aortic valve implantation (TAVI) has emerged as an equal treatment modality, first in patients with high surgical risk and more recently in patients with intermediate and low surgical risk. Paravalvular regurgitation and the higher rate of pacemaker implantation remain points of consideration. Additionally, the long-term durability of TAVI devices and occurrence of stroke late after TAVI require additional analyses. Sutureless (SU-SAVR) and rapid deployment valve (R-SAVR) were designed to simplify and accelerate a conventional or less invasive surgical procedure while allowing complete excision of the calcified native valve. From 3 different implants tested more than 10 to 15 years ago, only two are available on the market today: the Perceval® valve from Liva Nova and the Intuity® sutureless prosthesis from Edwards Lifesciences. There has been extensive experience with these two devices in previous years and the results obtained are comparable to those observed following the use of conventional implants. The sutureless devices may be of particular interest for more complex and combined surgical procedures. This review summarizes the sutureless (SU-SAVR) and rapid deployment valve technologies and presents a clinical outlook for the patient population managed with these devices.
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Affiliation(s)
- Thierry Carrel
- Department for Cardiovascular Surgery, University Hospital and University of Bern, Bern, Switzerland
| | - Paul Philipp Heinisch
- Department for Cardiovascular Surgery, University Hospital and University of Bern, Bern, Switzerland
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Fiore A, Gueldich M, Folliguet T. Sutureless valves fit/perform well in a small aortic annulus. Ann Cardiothorac Surg 2020; 9:414-416. [PMID: 33102181 DOI: 10.21037/acs.2020.04.02] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Antonio Fiore
- Department of Cardiac Surgery, Henri Mondor University Hospital, Assistance Publique-Hôpitaux de Paris, Créteil, France
| | - Majdi Gueldich
- Department of Cardiac Surgery, Henri Mondor University Hospital, Assistance Publique-Hôpitaux de Paris, Créteil, France
| | - Thierry Folliguet
- Department of Cardiac Surgery, Henri Mondor University Hospital, Assistance Publique-Hôpitaux de Paris, Créteil, France
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Sá MPBO, Chernov I, Marchenko A, Chagyan V, Komarov R, Askadinov M, Enginoev S, Kadyraliev B, Ismailbaev A, Tcheglov M, Clavel MA, Pibarot P, Ruhparwar A, Weymann A, Zhigalov K. Aortic Valve Neocuspidization (Ozaki Procedure) in Patients with Small Aortic Annulus (≤21 mm): A Multicenter Study. STRUCTURAL HEART 2020. [DOI: 10.1080/24748706.2020.1792595] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Michel Pompeu B. O. Sá
- Division of Cardiovascular Surgery of Pronto Socorro Cardiológico de Pernambuco – PROCAPE, University of Pernambuco, Recife, Brazil
| | - Igor Chernov
- Department of Cardiac Surgery, Federal Center for Cardiovascular Surgery, Astrakhan State Medical University, Astrakhan, Russia
| | - Andrey Marchenko
- Department of Cardiovascular Surgery, S.G. Sukhanov Federal Center of Cardiovascular Surgery, E.A. Vagner Perm State Medical University, Perm, Russia
| | - Vahe Chagyan
- Department of Cardiovascular Surgery, S.G. Sukhanov Federal Center of Cardiovascular Surgery, E.A. Vagner Perm State Medical University, Perm, Russia
| | - Roman Komarov
- Department of Cardiovascular Surgery, I.M. Sechenov University Hospital, First Moscow State Medical University, Moscow, Russia
| | - Magomedganipa Askadinov
- Department of Cardiovascular Surgery, S.G. Sukhanov Federal Center of Cardiovascular Surgery, E.A. Vagner Perm State Medical University, Perm, Russia
| | - Soslan Enginoev
- Department of Cardiac Surgery, Federal Center for Cardiovascular Surgery, Astrakhan State Medical University, Astrakhan, Russia
| | - Bakytbek Kadyraliev
- Department of Cardiovascular Surgery, S.G. Sukhanov Federal Center of Cardiovascular Surgery, E.A. Vagner Perm State Medical University, Perm, Russia
| | - Alisher Ismailbaev
- Department of Cardiovascular Surgery, I.M. Sechenov University Hospital, First Moscow State Medical University, Moscow, Russia
| | - Maxim Tcheglov
- Department of Cardiovascular Surgery, I.M. Sechenov University Hospital, First Moscow State Medical University, Moscow, Russia
| | - Marie-Annick Clavel
- Institut Universitaire de Cardiologie et de Pneumologie de Québec, Quebec Heart and Lung Institute, Quebec, Canada
| | - Philippe Pibarot
- Institut Universitaire de Cardiologie et de Pneumologie de Québec, Quebec Heart and Lung Institute, Quebec, Canada
| | - Arjang Ruhparwar
- Department of Thoracic and Cardiovascular Surgery, West German Heart and Vascular Center Essen, University Hospital of Essen, University Duisburg-Essen, Essen, Germany
| | - Alexander Weymann
- Department of Thoracic and Cardiovascular Surgery, West German Heart and Vascular Center Essen, University Hospital of Essen, University Duisburg-Essen, Essen, Germany
| | - Konstantin Zhigalov
- Department of Thoracic and Cardiovascular Surgery, West German Heart and Vascular Center Essen, University Hospital of Essen, University Duisburg-Essen, Essen, Germany
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Chien S, Clark C, Maheshwari S, Koutsogiannidis CP, Zamvar V, Giordano V, Lim K, Pessotto R. Benefits of rapid deployment aortic valve replacement with a mini upper sternotomy. J Cardiothorac Surg 2020; 15:226. [PMID: 32847577 PMCID: PMC7448500 DOI: 10.1186/s13019-020-01268-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 08/20/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Surgical aortic valve replacement (AVR) is currently deemed the gold standard of care for patients with severe aortic stenosis. Currently, most AVRs are safely performed through a full median sternotomy approach. With an increasingly elderly and high-risk patient population, major advances in valve technology and surgical technique have been introduced to reduce perioperative risk and post-operative complications associated with the full sternotomy approach, in order to ensure surgical AVR remains the gold standard. For example, minimally invasive approaches (most commonly via mini sternotomy) have been developed to improve patient outcomes. The advent of rapid deployment valve technology has also been shown to improve morbidity and mortality by reducing cardiopulmonary bypass and aortic cross-clamp times, as well as facilitating the use of minimal access approaches. Rapid deployment valves were introduced into our department at the Royal Infirmary of Edinburgh in 2014. The aim of this study is to investigate if utilising the combination of rapid deployment valves and a mini sternotomy minimally invasive approach resulted in improved outcomes in various patient subgroups. METHODS Over a 3-year period, we identified 714 patients who underwent isolated AVR in our centre. They were divided into two groups: 61 patients (8.5%) were identified who received rapid deployment AVR via J-shaped mini upper sternotomy (MIRDAVR group), whilst 653 patients (91.5%) were identified who received either a full sternotomy (using a conventional prosthesis or rapid deployment valve) or minimally invasive approach using a conventional valve (CONVAVR group). We retrospectively analysed data from our cardiac surgery database, including pre-operative demographics, intraoperative times and postoperative outcomes. Outcomes were also compared in two different subgroups: octogenarians and high-risk patients. RESULTS Pre-operative demographics showed that there were significantly more female and elderly patients in the MIRDAVR group. The MIRDAVR group had significantly reduced cardiopulmonary bypass (63.7 min vs. 104 min, p = 0.0001) and aortic cross-clamp times (47.3 min vs. 80.1 min, p = 0.0001) compared to the CONVAVR group. These results were particularly significant in the octogenarian population, who also had a reduced length of ICU stay (30.9 h vs. 65.6 h, p = 0.049). In high-risk patients (i.e. logistic EuroSCORE I > 10%), minimally invasive-rapid deployment aortic valve replacement is still beneficial and is also characterized by significantly shorter cardiopulmonary bypass time (69.1 min vs. 96.1 min, p = 0.03). However, post-operative correlations, such as length of ICU stay, become no more significant, likely due to serious co-morbidities in this patient group. CONCLUSION We have demonstrated that minimally invasive rapid deployment aortic valve replacement is associated with significantly reduced cardiopulmonary bypass and aortic cross-clamp times. This correlation is much stronger in the octogenarian population, who were also found to have significantly reduced length of ICU stay. Our study raises the suggestion that this approach should be utilised more frequently in clinical practice, particularly in octogenarian patients.
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Affiliation(s)
- Siobhan Chien
- Department of Cardiothoracic Surgery, Royal Infirmary of Edinburgh, Edinburgh, EH16 4SA, UK.
| | - Callum Clark
- Department of General Medicine, University Hospital Hairmyres, East Kilbride, UK
| | | | | | - Vipin Zamvar
- Department of Cardiothoracic Surgery, Royal Infirmary of Edinburgh, Edinburgh, EH16 4SA, UK
| | - Vincenzo Giordano
- Department of Cardiothoracic Surgery, Royal Infirmary of Edinburgh, Edinburgh, EH16 4SA, UK
| | - Kelvin Lim
- Department of Cardiothoracic Surgery, Royal Infirmary of Edinburgh, Edinburgh, EH16 4SA, UK
| | - Renzo Pessotto
- Department of Cardiothoracic Surgery, Royal Infirmary of Edinburgh, Edinburgh, EH16 4SA, UK
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Geršak B, Glauber M, Bouchard D, Jug J, Solinas M. Oversizing Increases Pacemaker Implantation Rate After Sutureless Minimally Invasive Aortic Valve Replacement. INNOVATIONS-TECHNOLOGY AND TECHNIQUES IN CARDIOTHORACIC AND VASCULAR SURGERY 2020; 15:449-455. [PMID: 32758051 DOI: 10.1177/1556984520938897] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Cardiac conduction system disturbances potentially leading to permanent pacemaker implantation are significant postoperative complications after aortic valve replacement. The aim of this study was to assess the impact of sutureless prosthetic valve oversizing on permanent pacemaker implantation rate. METHODS This multicenter retrospective study included 306 patients who underwent minimally invasive aortic valve replacement with the Perceval sutureless valve. Oversizing was determined by the implanted valve size indexed to body surface area. Data were analyzed with a multivariable logistic regression model. RESULTS This study confirmed excellent postoperative results for minimally invasive aortic valve replacement with right anterior minithoracotomy approach and rapid deployment sutureless valves. Mortality rate was 1%. Eighteen (5.9%) patients received a new permanent pacemaker. Multivariable logistic regression model (P = 0.05) found oversizing as significant risk factor (P = 0.017) for permanent postoperative pacemaker implantation independent of patient age. There was a significant negative correlation between the indexed implanted valve size and the mean and peak postoperative transvalvular gradients (P < 0.001). CONCLUSIONS Oversizing of sutureless prosthetic aortic valves is a risk factor for postoperative permanent pacemaker implantation. Proper sizing of Perceval is important to avoid complications and ensure optimal valve performance.
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Affiliation(s)
- Borut Geršak
- 37663 School of Medicine, University of Ljubljana, Slovenia.,Nisteri Medicine and Research, Phoenix, AZ, USA
| | - Mattia Glauber
- 46769 Istituto Clinico Sant'Ambrogio - Clinical & Research Hospital IRCCS - Gruppo Ospedaliero San Donato, Milano, Italy
| | | | - Jure Jug
- 37663 School of Medicine, University of Ljubljana, Slovenia
| | - Marco Solinas
- 366975 Ospedale del Cuore-Fondazione Monasterio, Massa-Pisa, Italy
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Kouchoukos NT. Commentary: Rapid deployment versus conventional tissue valves … and the beat goes on. J Thorac Cardiovasc Surg 2020; 163:2043-2044. [PMID: 32741636 DOI: 10.1016/j.jtcvs.2020.06.093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 06/26/2020] [Accepted: 06/26/2020] [Indexed: 10/23/2022]
Affiliation(s)
- Nicholas T Kouchoukos
- Division of Cardiovascular and Thoracic Surgery, Missouri Baptist Medical Center, BJC Healthcare, St Louis, Mo.
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Abar B, Alonso-Calleja A, Kelly A, Kelly C, Gall K, West JL. 3D printing of high-strength, porous, elastomeric structures to promote tissue integration of implants. J Biomed Mater Res A 2020; 109:54-63. [PMID: 32418348 DOI: 10.1002/jbm.a.37006] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 04/10/2020] [Accepted: 04/19/2020] [Indexed: 12/19/2022]
Abstract
Despite advances in biomaterials research, there is no ideal device for replacing weight-bearing soft tissues like menisci or intervertebral discs due to poor integration with tissues and mechanical property mismatch. Designing an implant with a soft and porous tissue-contacting structure using a material conducive to cell attachment and growth could potentially address these limitations. Polycarbonate urethane (PCU) is a soft and tough biocompatible material that can be 3D printed into porous structures with controlled pore sizes. Porous biomaterials of appropriate chemistries can support cell proliferation and tissue ingrowth, but their optimal design parameters remain unclear. To investigate this, porous PCU structures were 3D-printed in a crosshatch pattern with a range of in-plane pore sizes (0 to 800 μm) forming fully interconnected porous networks. Printed porous structures had ultimate tensile strengths ranging from 1.9 to 11.6 MPa, strains to failure ranging from 300 to 486%, Young's moduli ranging from 0.85 to 12.42 MPa, and porosity ranging from 13 to 71%. These porous networks can be loaded with hydrogels, such as collagen gels, to provide additional biological support for cells. Bare PCU structures and collagen-hydrogel-filled porous PCU support robust NIH/3T3 fibroblast cell line proliferation over 14 days for all pore sizes. Results highlight PCU's potential in the development of tissue-integrating medical implants.
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Affiliation(s)
- Bijan Abar
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina, USA
| | | | - Alexander Kelly
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina, USA
| | - Cambre Kelly
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina, USA
| | - Ken Gall
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina, USA
| | - Jennifer L West
- Department of Biomedical Engineering, Duke University, Durham, North Carolina, USA
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Miceli A, Berretta P, Fiore A, Andreas M, Solinas M, Santarpino G, Kappert U, Misfeld M, Savini C, Albertini A, Villa E, Phan K, Fischlein T, Meuris B, Martinelli G, Teoh K, Mignosa C, Shrestha M, Carrel TP, Yan TD, Glauber M, Di Eusanio M. Sutureless and rapid deployment implantation in bicuspid aortic valve: results from the sutureless and rapid-deployment aortic valve replacement international registry. Ann Cardiothorac Surg 2020; 9:298-304. [PMID: 32832411 DOI: 10.21037/acs-2020-surd-33] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Background Benefits of sutureless and rapid deployment (SURD) bioprostheses in bicuspid aortic valves (BAV) are controversial. The aim of this study is to report the outcomes of patients undergoing aortic valve replacement (AVR) for BAV from the Sutureless and Rapid-Deployment Aortic Valve Replacement International Registry (SURD-IR). Methods Of the 4,636 patients who received primary isolated SURD-AVR between 2007 and 2018, 191 (4.1%) BAV patients underwent AVR with SURD valve. Results Overall 30-day mortality was 1.6%. The Intuity valve was implanted in 53.9% of cases, whereas the Perceval was implanted in 46.1%. Rate of stroke for isolated AVR was 4.2%. No case of endocarditis, thromboembolism, myocardial infarction, valve dislocation or structural valve deterioration was reported in the early phase. Rate of pacemaker implantation and moderate-severe aortic regurgitation (AR) were 7.9% and 3.7%, respectively. Conclusions BAV is not considered a contraindication for the implantation of SURD valves. However, detailed information of aortic root geometry as well as the knowledge of some technical considerations are mandatory for a good outcome.
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Affiliation(s)
- Antonio Miceli
- Minimally Invasive Cardiac Surgery, Istituto Clinico Sant'Ambrogio, Milan, Italy
| | - Paolo Berretta
- Cardiac Surgery Unit, Lancisi Cardiovascular Center, Polytechnic University of Marche, Ospedali Riuniti, Ancona, Italy
| | - Antonio Fiore
- Department of Cardiac Surgery, Henri Mondor University Hospital, Assistance Publique-Hôpitaux de Paris, Créteil, France
| | - Martin Andreas
- Department of Cardiac Surgery, Medical University of Vienna, Vienna, Austria
| | - Marco Solinas
- Department of Cardiac Surgery, Pasquinucci Heart Hospital, Massa, Italy
| | - Giuseppe Santarpino
- Department of Cardiac Surgery, Città di Lecce Hospital, GVM Care & Research, Lecce, Italy.,Cardiac Surgery Unit, Department of Experimental and Clinical Medicine, Magna Graecia University, Catanzaro, Italy.,Cardiovascular Center, Paracelsus Medical University, Nuremberg, Germany
| | - Utz Kappert
- Department of Cardiac Surgery, University Heart Centre Dresden, Dresden, Germany
| | - Martin Misfeld
- University Clinic for Cardiac Surgery, Leipzig Heart Center, Leipzig, Germany.,Department of Cardiothoracic Surgery, The Royal Prince Alfred Hospital, Sydney, Australia
| | - Carlo Savini
- Cardiac Surgery Department, Sant'Orsola Malpighi Hospital, University of Bologna, Bologna, Italy
| | - Alberto Albertini
- Cardiovascular Surgery Unit, Maria Cecilia Hospital, GVM Care & Research, Cotignola, Italy
| | - Emmanuel Villa
- Department of Cardiac Surgery, Poliambulanza Foundation Hospital, Brescia, Italy
| | - Kevin Phan
- The Collaborative Research (CORE) Group, Macquarie University, Sydney, Australia
| | - Theodor Fischlein
- Cardiovascular Center, Paracelsus Medical University, Nuremberg, Germany
| | - Bart Meuris
- Gasthuisberg, Cardiale Heelkunde, Leuven, Belgium
| | | | - Kevin Teoh
- Southlake Regional Health Centre, Ontario, Canada
| | - Carmelo Mignosa
- Department for the Treatment and Study of Cardiothoracic Diseases and Cardiothoracic Transplantation IRCCS-ISMETT, Palermo, Italy
| | - Malakh Shrestha
- Division of Cardiothoracic Surgery, Transplantation and Vascular Surgery, Hannover Medical School, Hannover, Germany
| | - Thierry P Carrel
- Department of Cardiovascular Surgery, University Hospital, University of Bern, Bern, Switzerland
| | - Tristan D Yan
- Department of Cardiothoracic Surgery, The Royal Prince Alfred Hospital, Sydney, Australia.,The Collaborative Research (CORE) Group, Macquarie University, Sydney, Australia
| | - Mattia Glauber
- Minimally Invasive Cardiac Surgery, Istituto Clinico Sant'Ambrogio, Milan, Italy
| | - Marco Di Eusanio
- Cardiac Surgery Unit, Lancisi Cardiovascular Center, Polytechnic University of Marche, Ospedali Riuniti, Ancona, Italy.,The Collaborative Research (CORE) Group, Macquarie University, Sydney, Australia
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Di Eusanio M, Berretta P. The sutureless and rapid-deployment aortic valve replacement international registry: lessons learned from more than 4,500 patients. Ann Cardiothorac Surg 2020; 9:289-297. [PMID: 32832410 PMCID: PMC7415696 DOI: 10.21037/acs-2020-surd-21] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 04/28/2020] [Indexed: 01/04/2023]
Abstract
The treatment options for patients with aortic valve disease have considerably expanded over the last decade. The remarkable advances in catheter-based technology, the popularizing of minimally invasive (MI) surgery, and the introduction of new valve technologies, such as sutureless and rapid-deployment (SURD) valves have led to a paradigm shift in the management of aortic valve pathologies. Yet, given their recent introduction, the current evidence on sutureless and rapid-deployment aortic valve replacement (SURD-AVR) has been limited thus far. The Sutureless and Rapid-Deployment Aortic Valve Replacement International Registry (SURD-IR) was established in 2015 by a consortium of 18 research centers to assess safety, efficacy, short- and long-term outcomes of SURD-AVR interventions. The present keynote lecture aims to assess and comment on the real-world evidence for SURD-AVR surgery generated from the SURD-IR.
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Affiliation(s)
- Marco Di Eusanio
- Cardiac Surgery Unit, Lancisi Cardiovascular Center, Polytechnic University of Marche, Ancona, Italy
| | - Paolo Berretta
- Cardiac Surgery Unit, Lancisi Cardiovascular Center, Polytechnic University of Marche, Ancona, Italy
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Williams ML, Flynn CD, Mamo AA, Tian DH, Kappert U, Wilbring M, Folliguet T, Fiore A, Miceli A, D'Onofrio A, Cibin G, Gerosa G, Glauber M, Fischlein T, Pollari F. Long-term outcomes of sutureless and rapid-deployment aortic valve replacement: a systematic review and meta-analysis. Ann Cardiothorac Surg 2020; 9:265-279. [PMID: 32832408 DOI: 10.21037/acs-2020-surd-25] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Background Sutureless and rapid-deployment aortic valve replacement (SURD-AVR) has become a prominent area of research as the medical community evaluate its place amongst other aortic valve interventions. The main advantages of SURD-AVR established to date are the reduced cross-clamp and cardiopulmonary bypass (CPB) times, as well as facilitating minimally invasive surgery in high-risk surgical patients. This current systematic review and meta-analysis, to our knowledge, is the first focusing on long-term outcomes regarding safety, efficacy and durability of SURD-AVR from available current literature. Methods A literature search via six electronic databases was performed from their inception to November 2019. Inclusion criteria for this systematic review included survival and postoperative echocardiographic outcomes greater than five years in patients who underwent SURD-AVR with either Perceval or Intuity valves. Studies were identified and data extracted by two independent reviewers. Long-term survival outcomes were aggregated using digitized Kaplan-Meier curves where available. Results After applying predefined inclusion and exclusion criteria, four studies were identified for review. All four studies were observational and in total reported data for 1,998 patients. Almost half (42.4%) of patients underwent SURD-AVR via full sternotomy, with almost one third (30.1%) also undergoing concomitant cardiac procedures. Aggregate overall survival rates at 1-, 2-, 3-, and 5-year follow-up were 94.9%, 91.2%, 89.0%, and 84.2%, respectively. Incidence of strokes (4.8%), severe paravalvular leaks (PVLs) (1.5%) and permanent pacemaker (PPM) insertion (8.2%) at up to 5-year follow-up were acceptable. At 5-year follow-up hemodynamic outcomes were also acceptable for mean pressure gradient (MPG) (range, 8.8-13.6 mmHg), peak pressure gradient (PPG) (range, 18.9-21.1 mmHg) and effective orifice area (EOA) (range, 1.5-1.8 cm2). Conclusions Evaluation of the evidence reporting long-term outcomes of SURD-AVR suggests that it is a safe procedure for AVR with low rates of complications. Long-term outcomes presented in this review show that not only does SURD-AVR have acceptable survival rates, but also good hemodynamic performance at 5-year follow-up.
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Affiliation(s)
- Michael L Williams
- Department of Cardiothoracic Surgery, Royal Prince Alfred Hospital, Sydney, Australia.,The Collaborative Research (CORE) Group, Macquarie University, Sydney, Australia.,The Baird Institute of Applied Heart & Lung Surgical Research, Sydney, Australia.,The University of Sydney, Sydney, Australia
| | - Campbell D Flynn
- The Collaborative Research (CORE) Group, Macquarie University, Sydney, Australia.,Department of Cardiothoracic Surgery, Epworth Hospital, Richmond, Melbourne, Australia
| | - Andrew A Mamo
- Department of Cardiology, Prince of Wales Hospital, Sydney, Australia
| | - David H Tian
- The Collaborative Research (CORE) Group, Macquarie University, Sydney, Australia.,Department of Anaesthesia and Perioperative Medicine, Westmead Hospital, Sydney, Australia
| | - Utz Kappert
- Department of Cardiac Surgery, University Heart Center Dresden, Dresden, Germany
| | - Manuel Wilbring
- Department of Cardiac Surgery, University Heart Center Dresden, Dresden, Germany
| | - Thierry Folliguet
- Department of Cardiac Surgery, Henri Mondor University Hospital, Assistance Publique-Hôpitaux de Paris, Créteil, France
| | - Antonio Fiore
- Department of Cardiac Surgery, Henri Mondor University Hospital, Assistance Publique-Hôpitaux de Paris, Créteil, France
| | - Antonio Miceli
- Minimally Invasive Cardiac Surgery, Istituto Clinico Sant'Ambrogio, Milano, Italy
| | | | - Giorgia Cibin
- Division of Cardiac Surgery, University of Padova, Padova, Italy
| | - Gino Gerosa
- Division of Cardiac Surgery, University of Padova, Padova, Italy
| | - Mattia Glauber
- Minimally Invasive Cardiac Surgery Department, Istituto Clinico Sant'Ambrogio - Gruppo San Donato, Milano, Italy
| | - Theodor Fischlein
- Cardiac Surgery, Paracelsus Medical University - Klinikum Nürnberg, Nuremberg, Germany
| | - Francesco Pollari
- Cardiac Surgery, Paracelsus Medical University - Klinikum Nürnberg, Nuremberg, Germany
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Sabry H, Baltabaeva A, Gkikas A, Valencia O, Sarri G, Mirsadraee S, Mittal T, Bahrami T. Rapid deployment aortic valve replacement through anterior right thoracotomy: Clinical outcomes and haemodynamic performance. J Card Surg 2020; 35:1420-1424. [PMID: 32340065 DOI: 10.1111/jocs.14585] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND The ease of implantation of the rapid deployment (RD) and sutureless valves has contributed to the adoption of anterior right thoracotomy (ART) approach for aortic valve replacement (AVR). AIM OF THE STUDY This study evaluates the safety and haemodynamic performance of minimally invasive AVR through ART using the RD valves. METHODS This is a retrospective, single-center review of a total of 50 consecutive patients who received RD-AVR through ART. RESULTS The median age of patients was 75 years (interquartile range [IQR]: 69-80), and median Euroscore II was 5.1 (IQR: 2.4-7.5). ART RD-AVR was successfully performed in all cases with no conversion to sternotomy, paravalvular leaks or need for valve explantation. The mean size of the implanted valve was 23.2 ± 2.3 mm. In-hospital mortality was 2%. The mean and maximum pressure gradients across the aortic prosthesis were 10 mm Hg (IQR: 9-12) and 19 mm Hg (IQR: 16-23). CONCLUSIONS Rapid deployment aortic valve replacement can be safely performed through anterior right thoracotomy wit excellent haemodynamic performance and low postoperative complications rate.
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Affiliation(s)
- Haytham Sabry
- Department of Cardiothoracic Surgery, Royal Brompton and Harefield Trust, Harefield Hospital, London, UK
| | - Aigul Baltabaeva
- Department of Cardiology, Royal Brompton and Harefield Trust, Harefield Hospital, London, UK
| | - Andreas Gkikas
- Department of Cardiothoracic Surgery, Royal Brompton and Harefield Trust, Harefield Hospital, London, UK
| | - Oswaldo Valencia
- Department of Cardiothoracic Surgery, St George's University Hospital, London, UK
| | - Georgia Sarri
- Department of Cardiology, Royal Brompton and Harefield Trust, Harefield Hospital, London, UK
| | - Saeed Mirsadraee
- Department of Radiology, Royal Brompton and Harefield Trust, Harefield Hospital, London, UK
| | - Tarun Mittal
- Department of Radiology, Royal Brompton and Harefield Trust, Harefield Hospital, London, UK
| | - Toufan Bahrami
- Department of Cardiothoracic Surgery, Royal Brompton and Harefield Trust, Harefield Hospital, London, UK
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Papakonstantinou NA, Baikoussis NG. The Perceval S valve. Making the good better… or optimal? Eur J Cardiothorac Surg 2020; 57:812-813. [PMID: 31750893 DOI: 10.1093/ejcts/ezz315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 10/24/2019] [Indexed: 11/13/2022] Open
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Buzzatti N, Sala A, Alfieri O. Comparing traditional aortic valve surgery and transapical approach to transcatheter aortic valve implant. Eur Heart J Suppl 2020; 22:E7-E12. [PMID: 32523430 PMCID: PMC7270921 DOI: 10.1093/eurheartj/suaa050] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
During the last 15 years, transcatheter aortic valve implant (TAVI) has become a valid alternative to surgical aortic valve replacement in symptomatic patients with severe aortic stenosis, and high or intermediate operative risk. Transcatheter aortic valve implant could be approached through various access sites, among which the transapical has long been one of the most popular. Through the years, this procedure has shown results similar to the standard surgical approach, but not as good as the same procedure via the transfemoral approach. For this reason, along with continuous technological advances, the transfemoral approach is used, presently, in 90% of the patient, while the transapical route has been limited, progressively, to a minority of patients. Currently the Heart Team should decide, in every single patient, between conventional surgery and TAVI. In clinical practice, TAVI is favoured in high-risk patients, and in the elderly at intermediate surgical risk with favourable anatomical features. In patients in whom TAVI is preferable to surgery, but have ‘non-usable’ femoral approach, alternative routes, such as transaxillary or transapical, could be considered.
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Affiliation(s)
- Nicola Buzzatti
- Dipartimento di Cardiochirurgia, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Alessandra Sala
- Dipartimento di Cardiochirurgia, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Ottavio Alfieri
- Dipartimento di Cardiochirurgia, IRCCS San Raffaele Scientific Institute, Milan, Italy
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Lamelas J, Alnajar A. Recent advances in devices for minimally invasive aortic valve replacement. Expert Rev Med Devices 2020; 17:201-208. [DOI: 10.1080/17434440.2020.1732812] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Joseph Lamelas
- Cardiothoracic Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Ahmed Alnajar
- Cardiothoracic Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
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