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Ahmad D, Dawes A, Im M, Vishnevsky A, Ruggiero NJ, Plestis KA, Massey HT, Morris RJ, Entwistle JW, Tchantchaleishvili V. Comparative Outcomes of Surgical and Transcatheter Aortic Valve Replacement: A Meta-Analysis and Parametric Extrapolation of Clinical Trials. J Surg Res 2024; 302:1-11. [PMID: 39067157 DOI: 10.1016/j.jss.2024.06.044] [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: 11/30/2023] [Revised: 05/29/2024] [Accepted: 06/30/2024] [Indexed: 07/30/2024]
Abstract
INTRODUCTION We aimed to pool randomized clinical trials (RCTs) comparing surgical aortic valve replacement (SAVR) with transcatheter aortic valve replacement (TAVR) and extrapolate pooled time-to-event data to compare long-term outcomes. METHODS An electronic database search was performed for RCTs comparing SAVR with TAVR. The most current longest follow-up data for each RCT were included. Data were pooled using a random-effects model. Survival data were pooled for Kaplan-Meier analysis as well as parametric modeling with extrapolation. RESULTS Seven RCTs comprising 7774 patients were included. Mean valve gradient at 5 y was comparable between SAVR [11 mmHg (3.7; 18.3)] and TAVR [8.1 mmHg (1.9; 14.3)] (P = 0.38). TAVR had a higher mean valve area at 30 d, 1 y, and 2 y [1.68 cm2 (1.22; 2.13) versus 1.8 cm2 (1.35; 2.25), P = 0.02]. SAVR had a higher freedom from any paravalvular leak at 30 d and 1 y [86% (81; 90) versus 39% (36; 41), P < 0.01]. All-cause death was lower in the SAVR group at 5 y [39% (29; 50) versus 43% (31; 57), P < 0.01]. Although no differences were seen between SAVR and TAVR in the pooled Kaplan-Meier analysis of all-cause mortality and composite of all-cause mortality or stroke, parametric modeling with extrapolation showed significant divergence for both outcomes. CONCLUSIONS Pooled all-cause mortality as well as pooled composite of all-cause mortality or stroke indicated better survival with SAVR at 5 y. Long-term parametric extrapolation also indicated superior survival with SAVR.
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Affiliation(s)
- Danial Ahmad
- Division of Cardiac Surgery, Department of Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania; Department of Cardiothoracic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Alex Dawes
- Division of Cardiac Surgery, Department of Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Moses Im
- Division of Cardiac Surgery, Department of Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Alec Vishnevsky
- Division of Cardiology, Department of Medicine, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Nicholas J Ruggiero
- Division of Cardiology, Department of Medicine, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Konstadinos A Plestis
- Division of Cardiac Surgery, Department of Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Howard T Massey
- Division of Cardiac Surgery, Department of Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Rohinton J Morris
- Division of Cardiac Surgery, Department of Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - John W Entwistle
- Division of Cardiac Surgery, Department of Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Vakhtang Tchantchaleishvili
- Division of Cardiac Surgery, Department of Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania.
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Goulden CJ. Percutaneous coronary intervention versus coronary artery by-pass grafting in premature coronary artery disease: What is the evidence? -A narrative review. Perfusion 2023:2676591231223356. [PMID: 38108274 DOI: 10.1177/02676591231223356] [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: 12/19/2023]
Abstract
Coronary artery disease (CAD) remains one of the leading causes of death globally. In the United States of America, in 2016, 19% of all patients under the age of 65 died of cardiovascular disease despite improvements in primary prevention. The premature clinical onset of symptoms in the young population (<60 years) is much more aggressive than in the older population, and the overall long-term prognosis is poor. CAD appears to have a rapidly progressive form in those under the age of 60 due to genetic predisposition, smoking, and substance abuse, however, the ideal management strategy is still yet to be established. The two primary methods of establishing coronary revascularization are percutaneous coronary intervention (PCI) and coronary artery bypass graft (CABG). Despite the increasing prevalence of CAD in the young population, they are consistently underrepresented in major randomized clinical trials of each revascularization strategy. Both CABG and PCI are known to have similar survival rates, but PCI is associated with higher repeat revascularization rate. Many argue this may be due to the progressive nature of CAD combined with the vessel patency time required in a patient under 60 with potentially another 20-30 years of life. There is little in literature regarding the outcomes of these various revascularization strategies in populations under 60 years with CAD. This review summarises the current evidence for each revascularisation strategy in patients under the age of 60 and suggests future avenues of research for this unique age group.
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Bayer N, Schmoeckel M, Wohlmuth P, Geidel S. Impact of Graft Strategies on the Outcome of Octogenarians Undergoing Coronary Artery Bypass Grafting. Ann Thorac Cardiovasc Surg 2023; 29:241-248. [PMID: 36990786 PMCID: PMC10587474 DOI: 10.5761/atcs.oa.22-00193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 02/26/2023] [Indexed: 03/30/2023] Open
Abstract
PURPOSE To analyse the outcome of coronary artery bypass grafting (CABG) in octogenarians with coronary multivessel disease and the impact of different graft strategies and other factors. METHODS Out of 1654 patients with multivessel disease who underwent CABG at our institution between January 2014 and March 2020, we investigated 225 consecutive patients with a median age of 82.1 years for survival prediction and need for coronary reintervention; a detailed outcome analysis was performed. RESULTS At mean follow-up of 3.3 years, the overall survival was 76.4%. An indication for emergency operation (p = 0.002), age (p <0.001), chronic pulmonary disease (p = 0.024), and reduced renal or ventricular function (p <0.001) had the highest impact on limited survival. The combination outcome of survival and coronary reintervention was 1.7-fold improved (p = 0.024) after use of the bilateral internal thoracic artery (BITA) (66.2%). Off-pump CABG (12%) revealed no impact on survival. Smokers showed a poorer outcome (p = 0.004). The logistic European System for Cardiac Operative Risk Evaluation was highly effective for evaluating long-term outcomes (p <0.001). CONCLUSIONS BITA grafting normalizes survival and reveals a better outcome in octogenarians with multivessel disease. However, patients at risk of poorer survival were operated under emergency conditions and those with pulmonary disease and reduced ventricular or renal function.
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Affiliation(s)
- Nicolai Bayer
- Department of Cardiac Surgery, Asklepios Klinik St. Georg, Hamburg, Germany
| | - Michael Schmoeckel
- Department of Cardiac Surgery, Asklepios Klinik St. Georg, Hamburg, Germany
| | | | - Stephan Geidel
- Department of Cardiac Surgery, Asklepios Klinik St. Georg, Hamburg, Germany
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Kim HH, Yoo KJ, Youn YN. Bilateral versus Single Internal Thoracic Artery Grafting Strategies Supplemented by Radial Artery Grafting. Yonsei Med J 2023; 64:473-480. [PMID: 37488698 PMCID: PMC10375247 DOI: 10.3349/ymj.2022.0586] [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: 01/17/2023] [Revised: 05/14/2023] [Accepted: 06/13/2023] [Indexed: 07/26/2023] Open
Abstract
PURPOSE It is unclear if a second or third arterial graft can improve clinical outcomes in coronary artery bypass graft surgery. We compared the outcomes of bilateral internal thoracic artery (BITA) plus radial artery (RA) grafting versus left internal thoracic artery (LITA) plus RA grafting after off-pump coronary artery bypass grafting. MATERIALS AND METHODS Between January 2009 and December 2020, a total of 3007 patients with three-vessel coronary artery disease who underwent off-pump coronary artery bypass were analyzed. Among them, 971 patients received total arterial grafting using LITA. We divided the patients into two groups [group A, BITA+RA grafting (n=227) and group B, LITA+RA grafting (n=744)], and compared the survival and major adverse cardiac and cerebrovascular event (MACCE) rates between the two groups at 10 years. RESULTS After risk adjustment with inverse probability treatment weighting methods, the freedom from all-cause mortality was 93.1% and 88.3% in groups A and B, respectively (p=0.140). The freedom from MACCE rates were 68.3% and 89.0%, respectively (p<0.0001). LITA plus RA grafting [hazard ratio (HR): 1.3, 95% confidence interval (CI): 1.05-2.37, p=0.025] and incomplete revascularization (HR 1.2, 95% CI: 0.70-2.15, p=0.046) were significant risk factors for MACCEs in multivariable Cox regression analysis. CONCLUSION The rates of MACCEs were lower with LITA plus RA grafting than with BITA plus RA grafting in total arterial revascularization. Furthermore, complete revascularization improved long-term outcomes following total arterial grafting.
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Affiliation(s)
- Hyo-Hyun Kim
- Division of Cardiovascular Surgery, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Yonsei University Health System, Seoul, Korea
- Department of Cardiothoracic Surgery, Ilsan Hospital, National Health Insurance Service, Goyang, Korea
| | - Kyung-Jong Yoo
- Division of Cardiovascular Surgery, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Yonsei University Health System, Seoul, Korea
| | - Young-Nam Youn
- Division of Cardiovascular Surgery, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Yonsei University Health System, Seoul, Korea.
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Taggart DP, Audisio K, Gerry S, Robinson NB, Rahouma M, Soletti GJ, Cancelli G, Benedetto U, Lees B, Gray A, Stefil M, Flather M, Gaudino M, Investigators ART. Single versus multiple arterial grafting in diabetic patients at 10 years: the Arterial Revascularization Trial. Eur Heart J 2022; 43:4644-4652. [PMID: 35699416 DOI: 10.1093/eurheartj/ehac199] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 12/23/2021] [Accepted: 03/31/2022] [Indexed: 01/05/2023] Open
Abstract
AIMS To evaluate the impact of multiple arterial grafting (MAG) vs. single arterial grafting (SAG) in a post hoc analysis of 10-year outcomes in patients with diabetes mellitus (DM) from the Arterial Revascularization Trial (ART). METHODS AND RESULTS The primary endpoint was all-cause mortality and the secondary endpoint was a composite of major adverse cardiac events (MACE) at 10-year follow-up. Patients were stratified by diabetes status (non-DM and DM) and grafting strategy (MAG vs. SAG). A total of 3020 patients were included in the analysis; 716 (23.7%) had DM. Overall, 55.8% non-DM patients received MAG and 44.2% received SAG, while 56.6% DM patients received MAG and 43.4% received SAG. The use of MAG compared with SAG was associated with lower 10-year mortality for both non-DM [17.7 vs. 21.0%, adjusted hazard ratio (HR) 0.87, 95% confidence interval (CI) 0.72-1.06] and DM patients (21.5 vs. 29.9%, adjusted HR 0.65, 95% CI 0.48-0.89; P for interaction = 0.12). For both groups, the rate of 10-year MACE was also lower for MAG vs. SAG. Overall, deep sternal wound infections (DSWIs) were uncommon but more frequent in the MAG vs. SAG group in both non-DM (3.3 vs. 2.1%) and DM patients (7.9 vs. 4.8%). The highest rates of DSWI were in insulin-treated patients receiving MAG (9.6 vs. 6.3%, when compared with SAG). CONCLUSION In this post hoc analysis of the ART, MAG was associated with substantially lower mortality rates at 10 years after coronary artery bypass grafting in patients with DM. Patients with DM receiving MAG had a higher incidence of DSWI, especially if insulin dependent.
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Affiliation(s)
- David P Taggart
- Nuffield Department of Surgical Sciences, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Katia Audisio
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York City, NY, USA
| | - Stephen Gerry
- Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology & Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - N Bryce Robinson
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York City, NY, USA
| | - Mohamed Rahouma
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York City, NY, USA
| | - Giovanni Jr Soletti
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York City, NY, USA
| | - Gianmarco Cancelli
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York City, NY, USA
| | - Umberto Benedetto
- Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Bristol, UK
| | - Belinda Lees
- Nuffield Department of Surgical Sciences, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Alastair Gray
- Health Economics Research Centre, Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Maria Stefil
- Norwich Medical School, University of East Anglia, Norwich, UK
| | - Marcus Flather
- Norwich Medical School, University of East Anglia, Norwich, UK
| | - Mario Gaudino
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York City, NY, USA
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Zhou Z, Fu G, Huang S, Chen S, Liang M, Wu Z. Bilateral internal thoracic artery coronary grafting: risks and benefits in elderly patients. EUROPEAN HEART JOURNAL. QUALITY OF CARE & CLINICAL OUTCOMES 2022; 8:861-870. [PMID: 34958349 DOI: 10.1093/ehjqcco/qcab099] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 12/05/2021] [Accepted: 12/22/2021] [Indexed: 12/29/2022]
Abstract
AIMS Whether bilateral internal thoracic artery (BITA) grafting benefits elderly patients in coronary artery bypass grafting (CABG) remains unclear since they tend to have a limited life expectancy and severe comorbidities. We aim to evaluate the outcomes of BITA vs. single internal thoracic artery (SITA) grafting in elderly patients. METHODS AND RESULTS A meta-analysis was performed by database searching until May 2021. Studies comparing BITA and SITA grafting among elderly patients were included. One randomized controlled trial, nine propensity score matching, and six unmatched studies were identified, with a total of 18 146 patients (7422 received BITA grafting and 10 724 received SITA grafting). Compared with SITA grafting, BITA grafting had a higher risk of deep sternal wound infection (DSWI) [odds ratio: 1.67; 95% confidence interval (CI): 1.22-2.28], and this risk could not be significantly reduced by the skeletonization technique. Meanwhile, BITA grafting was associated with a higher long-term survival [hazard ratio: 0.83; 95% CI: 0.77-0.90], except for the octogenarian subgroup. Reconstructed Kaplan-Meier survival curves revealed 4-year, 8-year, and 12-year overall survival rates of 85.5%, 66.7%, and 45.3%, respectively, in the BITA group and 79.3%, 58.6%, and 34.9%, respectively, in the SITA group. No significant difference was observed in early mortality, perioperative myocardial infarction, perioperative cerebral vascular accidents, or re-exploration for bleeding. CONCLUSION Compared with SITA grafting, BITA grafting could provide a long-term survival benefit for elderly patients, although this benefit remained uncertain in octogenarians. Meanwhile, elderly patients who received BITA were associated with a higher risk of DSWI and such a risk could not be eliminated by the skeletonization technique.
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Affiliation(s)
- Zhuoming Zhou
- Department of Cardiac Surgery, First Affiliated Hospital of Sun Yat-Sen University, 58 Zhongshan II Road, Guangzhou 510080, China.,NHC Key Laboratory of Assisted Circulation, Sun Yat-sen University, Guangzhou 510080, China
| | - Guangguo Fu
- Department of Cardiac Surgery, First Affiliated Hospital of Sun Yat-Sen University, 58 Zhongshan II Road, Guangzhou 510080, China.,NHC Key Laboratory of Assisted Circulation, Sun Yat-sen University, Guangzhou 510080, China
| | - Suiqing Huang
- Department of Cardiac Surgery, First Affiliated Hospital of Sun Yat-Sen University, 58 Zhongshan II Road, Guangzhou 510080, China.,NHC Key Laboratory of Assisted Circulation, Sun Yat-sen University, Guangzhou 510080, China
| | - Sida Chen
- Department of Cardiac Surgery, First Affiliated Hospital of Sun Yat-Sen University, 58 Zhongshan II Road, Guangzhou 510080, China.,NHC Key Laboratory of Assisted Circulation, Sun Yat-sen University, Guangzhou 510080, China
| | - Mengya Liang
- Department of Cardiac Surgery, First Affiliated Hospital of Sun Yat-Sen University, 58 Zhongshan II Road, Guangzhou 510080, China.,NHC Key Laboratory of Assisted Circulation, Sun Yat-sen University, Guangzhou 510080, China
| | - Zhongkai Wu
- Department of Cardiac Surgery, First Affiliated Hospital of Sun Yat-Sen University, 58 Zhongshan II Road, Guangzhou 510080, China.,NHC Key Laboratory of Assisted Circulation, Sun Yat-sen University, Guangzhou 510080, China
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Mulder BGS, Candura D, Schoones JW, Etnel JR, Schouten GN, de Weger A, Tomšič A, Klautz RJ. Meta-Analysis of Bilateral Versus Single Internal Thoracic Artery Grafting in Patients ≥70 Years of Age. Am J Cardiol 2022; 173:48-55. [PMID: 35369932 DOI: 10.1016/j.amjcard.2022.02.052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/23/2022] [Accepted: 02/28/2022] [Indexed: 11/01/2022]
Abstract
The optimal choice of graft material in patients ≥70 years of age undergoing coronary artery bypass grafting remains unknown. A systematic review of literature was conducted by searching PubMed, Embase, Web of Science, and Cochrane Library databases for original publications that compared bilateral internal thoracic artery (BITA) grafting with single internal thoracic artery grafting in patients ≥70 years of age. Data were extracted by 2 independent investigators and meta-analyzed with the use of random effects. A total of 10 studies, including 11,185 patients, met the inclusion criteria. No differences in early mortality and morbidity, with the exemption of sternal wound complications which were more frequently observed in the BITA group (odds ratio 1.72, 95% 1.00 to 2.96 confidence interval [CI], p = 0.05; propensity score-matched population odds ratio 1.58, 95% CI 1.09 to 2.29, p = 0.02), were observed. Overall survival was superior in the overall patient population (hazard ratio [HR] 0.76, 95% CI 0.66 to 0.86, p <0.001), after applying a blanking period of 3 months to the overall patient population (HR 0.77, 95% CI 0.64 to 0.92, p = 0.005) as well as in the matched population (HR 0.72, 95% CI 0.58 to 0.89, p = 0.002); in all cases, a benefit was readily seen within a few years after surgery. The difference in freedom from major adverse cardiac and cerebrovascular events failed to reach statistical significance (overall patient population HR 0.55, 95% CI 0.27 to 1.13, p = 0.10; matched population HR 0.52, 95% CI 0.23 to 1.16, p = 0.11). In conclusion, BITA grafting can be safely performed in patients ≥70 years of age as late clinical benefits are expected to manifest themselves readily within a few years after surgery.
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Thuijs DJFM, Davierwala P, Milojevic M, Deo SV, Noack T, Kappetein AP, Serruys PW, Mohr FW, Morice MC, Mack MJ, Ståhle LEGE, Verberkmoes NJ, Holmes DR, Head SJ. Long-term survival after coronary bypass surgery with multiple versus single arterial grafts. Eur J Cardiothorac Surg 2021; 61:925-933. [PMID: 34618017 PMCID: PMC8947797 DOI: 10.1093/ejcts/ezab392] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 07/21/2021] [Accepted: 08/01/2021] [Indexed: 01/07/2023] Open
Abstract
OBJECTIVES This study sought to evaluate the long-term differences in survival between multiple arterial grafts (MAG) and single arterial grafts (SAG) in patients who underwent coronary artery bypass grafting (CABG) in the SYNTAX study. METHODS The present analysis included the randomized and registry-treated CABG patients (n = 1509) from the SYNTAX Extended Survival study (SYNTAXES). Patients with only venous (n = 42) or synthetic grafts (n = 1) were excluded. The primary end point was all-cause death at the longest follow-up. Multivariable Cox regression was used to adjust for differences in baseline characteristics. Sensitivity analysis using propensity matching with inverse probability for treatment weights was performed. RESULTS Of the 1466 included patients, 465 (31.7%) received MAG and 1001 (68.3%) SAG. Patients receiving MAG were younger and at lower risk. At the longest follow-up of 12.6 years, all-cause death occurred in 23.6% of MAG and 40.0% of SAG patients [adjusted hazard ratio (HR) 0.74, 95% confidence interval (CI) (0.55-0.98); P = 0.038], which was confirmed by sensitivity analysis. MAG in patients with the three-vessel disease was associated with significant lower unadjusted and adjusted all-cause death at 12.6 years [adjusted HR 0.65, 95% CI (0.44-0.97); P = 0.033]. In contrast, no significance was observed after risk adjustment in patients with the left main disease, with and without diabetes, or among SYNTAX score tertiles. CONCLUSIONS In the present post hoc analysis of all-comers patients from the SYNTAX trial, MAG resulted in markedly lower all-cause death at 12.6-year follow-up compared to a SAG strategy. Hence, this striking long-term survival benefit of MAG over SAG encourages more extensive use of multiple arterial grafting in selected patients with reasonable life expectancy. TRIAL REGISTRATION SYNTAXES ClinicalTrials.gov reference: NCT03417050; SYNTAX ClinicalTrials.gov reference: NCT00114972.
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Affiliation(s)
- Daniel J F M Thuijs
- Corresponding author. Department of Cardiothoracic Surgery, Erasmus University Medical Centre, Dr. Molewaterplein 40, POBox 2040, 3015 GD Rotterdam, The Netherlands. Tel: +31-10-7035411; fax: +31-10-7033993; e-mail: (dr. D.J.F.M. Thuijs)
| | | | - Milan Milojevic
- Department of Cardiothoracic Surgery, Erasmus University Medical Centre, Rotterdam, Netherlands,Department of Cardiac Surgery and Cardiovascular Research, Dedinje Cardiovascular Institute, Belgrade, Serbia
| | - Salil V Deo
- Department of Cardiovascular Surgery, Louis Stokes Cleveland VA Medical Center, Cleveland, OH, USA
| | - Thilo Noack
- University Department of Cardiac Surgery, Heart Centre Leipzig, Leipzig, Germany
| | - A Pieter Kappetein
- Department of Cardiothoracic Surgery, Erasmus University Medical Centre, Rotterdam, Netherlands
| | - Patrick W Serruys
- Department of Cardiology, National University of Ireland, Galway, Ireland
| | | | - Marie-Claude Morice
- Department of Cardiology, Cardiovascular Institute Paris-Sud (ICPS), Hopital privé Jacques Cartier, Ramsay, Générale de Santé Massy, France
| | - Michael J Mack
- Department of Cardiothoracic Surgery, Baylor University Medical Center, Dallas, TX, USA
| | | | - Niels J Verberkmoes
- Department of Cardiothoracic Surgery, Catharina Hospital, Eindhoven, Netherlands
| | - David R Holmes
- Department of Cardiovascular Diseases and Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Stuart J Head
- Department of Cardiothoracic Surgery, Erasmus University Medical Centre, Rotterdam, Netherlands
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9
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Gaudino M, Di Franco A, Alexander JH, Bakaeen F, Egorova N, Kurlansky P, Boening A, Chikwe J, Demetres M, Devereaux PJ, Diegeler A, Dimagli A, Flather M, Hameed I, Lamy A, Lawton JS, Reents W, Robinson NB, Audisio K, Rahouma M, Serruys PW, Hara H, Taggart DP, Girardi LN, Fremes SE, Benedetto U. Sex differences in outcomes after coronary artery bypass grafting: a pooled analysis of individual patient data. Eur Heart J 2021; 43:18-28. [PMID: 34338767 DOI: 10.1093/eurheartj/ehab504] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 06/13/2021] [Accepted: 07/15/2021] [Indexed: 11/13/2022] Open
Abstract
AIMS Data suggest that women have worse outcomes than men after coronary artery bypass grafting (CABG), but results have been inconsistent across studies. Due to the large differences in baseline characteristics between sexes, suboptimal risk adjustment due to low-quality data may be the reason for the observed differences. To overcome this limitation, we undertook a systematic review and pooled analysis of high-quality individual patient data from large CABG trials to compare the adjusted outcomes of women and men. METHODS AND RESULTS The primary outcome was a composite of all-cause mortality, myocardial infarction (MI), stroke, and repeat revascularization (major adverse cardiac and cerebrovascular events, MACCE). The secondary outcome was all-cause mortality. Multivariable mixed-effect Cox regression was used. Four trials involving 13 193 patients (10 479 males; 2714 females) were included. Over 5 years of follow-up, women had a significantly higher risk of MACCE [adjusted hazard ratio (HR) 1.12, 95% confidence interval (CI) 1.04-1.21; P = 0.004] but similar mortality (adjusted HR 1.03, 95% CI 0.94-1.14; P = 0.51) compared to men. Women had higher incidence of MI (adjusted HR 1.30, 95% CI 1.11-1.52) and repeat revascularization (adjusted HR 1.22, 95% CI 1.04-1.43) but not stroke (adjusted HR 1.17, 95% CI 0.90-1.52). The difference in MACCE between sexes was not significant in patients 75 years and older. The use of off-pump surgery and multiple arterial grafting did not modify the difference between sexes. CONCLUSIONS Women have worse outcomes than men in the first 5 years after CABG. This difference is not significant in patients aged over 75 years and is not affected by the surgical technique.
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Affiliation(s)
- Mario Gaudino
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, 525 East 68th Street, New York, NY 10065, USA
| | - Antonino Di Franco
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, 525 East 68th Street, New York, NY 10065, USA
| | - John H Alexander
- Department of Medicine, Division of Cardiology, Duke Clinical Research Institute, Duke University Medical Center, 40 Duke Medicine Cir, Durham, NC 27710, USA
| | - Faisal Bakaeen
- Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic, Carnegie Ave, Cleveland, OH 44103, USA
| | - Natalia Egorova
- Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Pl, New York, NY 10029, USA
| | - Paul Kurlansky
- Department of Surgery, Center for Innovation and Outcomes Research, Columbia University Medical Center, 622 W 168th St, New York, NY 10032, USA
| | - Andreas Boening
- Department of Cardiovascular Surgery, Justus-Liebig University Gießen, , Ludwigstraße 23, Gießen 35390, Germany
| | - Joanna Chikwe
- Department of Cardiac Surgery, Smidt Heart Institute, Cedars-Sinai Medical Center, 8700 Beverly Blvd #2900A, Los Angeles, CA 90048, USA
| | - Michelle Demetres
- Samuel J. Wood Library and C.V. Starr Biomedical Information Center, Weill Cornell Medicine, 525 East 68th Street, New York, NY 10065, USA
| | - Philip J Devereaux
- Population Health Research Institute, McMaster University, 1280 Main St W, Hamilton, ON L8S 4L8, Canada
| | - Anno Diegeler
- Department Cardiac Surgery, Cardiovascular Center Bad Neustadt/Saale, Von-Guttenberg-Straße 11, Bad Neustadt/Saale 97616, Germany
| | - Arnaldo Dimagli
- Bristol Heart Institute, University of Bristol, Terrell St, Bristol BS2 8ED, UK
| | - Marcus Flather
- Research and Development Unit, Norfolk and Norwich University Hospitals NHS Foundation Trust, Colney Ln, Norwich NR4 7UY, UK
| | - Irbaz Hameed
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, 525 East 68th Street, New York, NY 10065, USA
| | - Andre Lamy
- Population Health Research Institute, McMaster University, 1280 Main St W, Hamilton, ON L8S 4L8, Canada
| | - Jennifer S Lawton
- Division of Cardiac Surgery, Department of Surgery, Johns Hopkins University School of Medicine, 733 N Broadway, Baltimore, MD 21205, USA
| | - Wilko Reents
- Department Cardiac Surgery, Cardiovascular Center Bad Neustadt/Saale, Von-Guttenberg-Straße 11, Bad Neustadt/Saale 97616, Germany
| | - N Bryce Robinson
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, 525 East 68th Street, New York, NY 10065, USA
| | - Katia Audisio
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, 525 East 68th Street, New York, NY 10065, USA
| | - Mohamed Rahouma
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, 525 East 68th Street, New York, NY 10065, USA
| | - Patrick W Serruys
- Department of Cardiology, National University of Ireland, University Rd, Galway, Ireland
| | - Hironori Hara
- Department of Cardiology, National University of Ireland, University Rd, Galway, Ireland
| | - David P Taggart
- Nuffield Department of Surgical Sciences, John Radcliffe Hospital, University of Oxford, Oxford OX1 2JD, UK
| | - Leonard N Girardi
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, 525 East 68th Street, New York, NY 10065, USA
| | - Stephen E Fremes
- Schulich Heart Centre Sunnybrook Health Sciences Centre, University of Toronto, Hospital Road, Toronto, ON M4N 3M5, Canada
| | - Umberto Benedetto
- Bristol Heart Institute, University of Bristol, Terrell St, Bristol BS2 8ED, UK
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10
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Saraiva FA, Moreira R, Cerqueira RJ, Mancio J, Barros AS, Lourenço AP, Leite-Moreira AF. Multiple versus single arterial grafting in the elderly: a meta-analysis of randomized controlled trials and propensity score studies. THE JOURNAL OF CARDIOVASCULAR SURGERY 2021; 63:169-178. [PMID: 34235900 DOI: 10.23736/s0021-9509.21.11826-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
INTRODUCTION The benefit of adding a second arterial conduit is still controversial, mainly in specific subgroups. We conducted a meta-analysis of randomized controlled trials (RCTs) and propensity score (PS) studies comparing survival and early results in elderly patients who underwent coronary artery bypass grafting (CABG) with multiple (MAG) versus single arterial grafting (SAG). EVIDENCE ACQUISITION MEDLINE, Web of Science and Cochrane Library were used to find relevant literature (1960-April 2020). Survival at a ≥ 1-year follow-up and early outcomes were evaluated. Outcomes were collected from matched samples or PS adjusted analysis: hazard ratio (HR) along with their variance, frequencies or odds ratios. Random effect models were used to compute combined statistical measures and 95% confidence intervals (CI) through generic inverse variance method (time-to-event) or Mantel-Haenszel method (binary events). EVIDENCE SYNTHESIS Eleven PS cohorts and 1 RCT comprising > 18,800 patients older than 70 (>6200 MAG and >12,500 SAG) were included in this meta-analysis. MAG was associated with lower long-term mortality (pooled HR: 0.81, 95%CI: 0.72-0.91, p<0.01, I2=64%) in the absence of higher risk of early mortality (pooled OR: 0.74, 95%CI: 0.44 to 1.25, p=0.27, I2=0%). In a meta-regression, MAG survival advantage was more pronounced in studies with a higher MAG usage rate (β = -0.0052, p=0.021). CONCLUSIONS Current evidence suggests that advanced age should not limit MAG's use considering its benefits in long-term survival. Of note, an individualized patient selection for this approach is warranted.
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Affiliation(s)
- Francisca A Saraiva
- Cardiovascular Research and Development Center, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Porto, Portugal
| | - Raquel Moreira
- Cardiovascular Research and Development Center, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Porto, Portugal
| | - Rui J Cerqueira
- Cardiovascular Research and Development Center, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Porto, Portugal.,Department of Cardiothoracic Surgery, Centro Hospitalar Universitário São João, Porto, Portugal
| | - Jennifer Mancio
- Cardiovascular Research and Development Center, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Porto, Portugal.,St. Bartholomew's Hospital, Bart's Health NHS Trust, London, UK
| | - António S Barros
- Cardiovascular Research and Development Center, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Porto, Portugal
| | - André P Lourenço
- Cardiovascular Research and Development Center, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Porto, Portugal.,Department of Anesthesiology, Centro Hospitalar Universitário São João, Porto, Portugal
| | - Adelino F Leite-Moreira
- Cardiovascular Research and Development Center, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Porto, Portugal - .,Department of Cardiothoracic Surgery, Centro Hospitalar Universitário São João, Porto, Portugal
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11
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Association of Age With 10-Year Outcomes After Coronary Surgery in the Arterial Revascularization Trial. J Am Coll Cardiol 2021; 77:18-26. [PMID: 33413936 DOI: 10.1016/j.jacc.2020.10.047] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 10/23/2020] [Accepted: 10/25/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND The association of age with the outcomes of bilateral internal thoracic arteries (BITAs) versus single internal thoracic arteries (SITAs) for coronary bypass grafting (CABG) remains to be determined. OBJECTIVES The purpose of this study was to evaluate the association between age and BITA versus SITA outcomes in the Arterial Revascularization Trial. METHODS The primary endpoints were all-cause mortality and a composite of major adverse events, including all-cause mortality, myocardial infarction, or stroke. Secondary endpoints were bleeding complications and sternal wound complications up to 6 months after surgery. Multivariable fractional polynomials analysis and log-rank tests were used. RESULTS Age did not affect any of the explored outcomes in the overall BITA versus SITA comparison in the intention-to-treat analysis and in the analysis based on the number of arterial grafts received. However, when the intention-to-treat analysis was restricted to the populations of patients between age 50 and 70 years, younger patients in the BITA arm had a significantly lower incidence of major adverse events (p = 0.03). CONCLUSIONS Our results suggest that BITA may improve long-term outcome in younger patients, although more randomized data are needed to confirm this hypothesis.
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12
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Bakaeen FG, Gaudino M, Whitman G, Doenst T, Ruel M, Taggart DP, Stulak JM, Benedetto U, Anyanwu A, Chikwe J, Bozkurt B, Puskas JD, Silvestry SC, Velazquez E, Slaughter MS, McCarthy PM, Soltesz EG, Moon MR. 2021: The American Association for Thoracic Surgery Expert Consensus Document: Coronary artery bypass grafting in patients with ischemic cardiomyopathy and heart failure. J Thorac Cardiovasc Surg 2021; 162:829-850.e1. [PMID: 34272070 DOI: 10.1016/j.jtcvs.2021.04.052] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 04/20/2021] [Indexed: 12/13/2022]
Affiliation(s)
- Faisal G Bakaeen
- Department of Thoracic and Cardiovascular Surgery, Coronary Center, Heart, Vascular, and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio.
| | - Mario Gaudino
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, NY
| | - Glenn Whitman
- Division of Cardiac Surgery, Department of Surgery, Johns Hopkins University, Baltimore, Md
| | - Torsten Doenst
- Department of Cardiothoracic Surgery, Friedrich-Schiller-University Jena, University Hospital, Jena, Germany
| | - Marc Ruel
- Division of Cardiac Surgery, University of Ottawa Heart Institute, Ottawa, Ontario, Canada
| | - David P Taggart
- Nuffield Department of Surgical Sciences, University of Oxford, John Radcliffe Hospital, Oxford, United Kingdom
| | - John M Stulak
- Division of Cardiothoracic Surgery, Department of Surgery, Mayo Clinic, Rochester, Minn
| | - Umberto Benedetto
- Bristol Heart Institute, University of Bristol, Bristol, United Kingdom
| | - Anelechi Anyanwu
- Department of Cardiovascular Surgery, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Joanna Chikwe
- Department of Cardiac Surgery, Smidt Heart Institute at Cedars-Sinai, Los Angeles, Calif
| | - Biykem Bozkurt
- Division of Cardiology, Department of Medicine, Baylor College of Medicine, Houston, Tex
| | - John D Puskas
- Department of Cardiovascular Surgery, Mount Sinai Morningside Hospital, New York, NY
| | | | - Eric Velazquez
- Department of Cardiovascular Medicine, Heart and Vascular Center, Yale New Haven Health, New Haven, Conn
| | - Mark S Slaughter
- Department Cardiovascular and Thoracic Surgery, University of Louisville, Louisville, Ky
| | - Patrick M McCarthy
- Bluhm Cardiovascular Institute and Division of Cardiac Surgery in the Department of Surgery, Northwestern University, Chicago, Ill
| | - Edward G Soltesz
- Department of Thoracic and Cardiovascular Surgery, Coronary Center, Heart, Vascular, and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio
| | - Marc R Moon
- Division of Cardiothoracic Surgery, Washington University School of Medicine, Barnes-Jewish Hospital, St Louis, Mo
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13
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Gaudino M, Samadashvili Z, Hameed I, Chikwe J, Girardi LN, Hannan EL. Differences in Long-term Outcomes After Coronary Artery Bypass Grafting Using Single vs Multiple Arterial Grafts and the Association With Sex. JAMA Cardiol 2021; 6:401-409. [PMID: 33355595 PMCID: PMC7758835 DOI: 10.1001/jamacardio.2020.6585] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 10/16/2020] [Indexed: 11/14/2022]
Abstract
Importance Sex-related differences in the outcome of using multiple arterial grafts during coronary artery bypass grafting (CABG) remain uncertain. Objective To compare the outcomes of the use of multiple arterial grafts vs a single arterial graft during CABG for women and men. Design, Setting, and Participants This statewide cohort study used data from New York's Cardiac Surgery Reporting System and New York's Vital Statistics file on 63 402 patients undergoing CABG from January 1, 2005, to December 31, 2014. Statistical analysis was performed from January 10 to August 20, 2020. Exposures Multiple arterial grafting or single arterial grafting. Main Outcomes and Measures Mortality, acute myocardial infarction (AMI), stroke, repeated revascularization, major adverse cardiac and cerebrovascular event (composite of mortality, AMI, and stroke), and major adverse cardiac event (composite of mortality, AMI, or repeated revascularization) were compared among propensity-matched patients and stratified by the risk of long-term mortality. Results Of the 63 402 patients (48 155 men [76.0%]; mean [SD] age, 69.9 [10.5] years) in the study, women had worse baseline characteristics than men for most of the explored variables. Propensity matching yielded a total of 9512 male pairs and 1860 female pairs. At 7 years of follow-up, mortality was lower among men who underwent multiple arterial grafting (adjusted hazard ratio, 0.80; 95% CI, 0.73-0.87) but not women who underwent multiple arterial grafting (adjusted hazard ratio, 0.99; 95% CI, 0.84-1.15). When stratified by the estimated risk of death, the use of multiple arterial grafts was associated with better survival and a lower rate of a major adverse cardiac event among low-risk, but not high-risk, patients of both sexes, and the risk cutoff was different for men and women. Conclusions and Relevance This study suggests that women have a worse preoperative risk profile than men. Multiple arterial grafting is associated with better outcomes among low-risk, but not high-risk, patients, and the risk cutoffs differ between sexes. These data highlight the need for new studies on the outcome of multiple arterial grafts in women.
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Affiliation(s)
- Mario Gaudino
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, New York
| | - Zaza Samadashvili
- Department of Health Policy, University at Albany School of Public Health, Albany, New York
| | - Irbaz Hameed
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, New York
- Section of Cardiothoracic Surgery, Department of Surgery, Yale School of Medicine, New Haven, Connecticut
| | - Joanna Chikwe
- Department of Cardiac Surgery, Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, California
| | - Leonard N. Girardi
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, New York
| | - Edward L. Hannan
- Department of Health Policy, University at Albany School of Public Health, Albany, New York
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14
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Luthra S, Leiva-Juárez MM, Malvindi PG, Billing JS, Ohri SK. Survival benefit from a second arterial conduit to the circumflex circulation persists in elderly after coronary artery bypass surgery. Asian Cardiovasc Thorac Ann 2021; 29:910-915. [PMID: 33611930 DOI: 10.1177/0218492321997077] [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
BACKGROUND This retrospective propensity matched study investigated the impact of age on the survival benefit from a second arterial conduit to the left-sided circulation. METHODS Data for isolated coronary artery bypass surgery were collected from October 2004 to March 2014. All patients with an internal mammary artery graft to left anterior descending artery and additional arterial or venous graft to the circumflex circulation were included. Propensity matching was used to balance co-variates and generate odds of death for each observation. Odds ratios (venous vs. arterial) were charted against age. RESULTS The in-hospital mortality rate was 1.12% (arterial) vs. 1.24% (venous) (p = 0.77). The overall 10-year survival was 74.6% (venous) vs. 82.6% (arterial) (p = 0.001). A total of 1226 patients were successfully matched to the venous or arterial (second conduit to circumflex territory after left internal mammary artery to left anterior descending artery) cohorts. Odds ratio for death (venous to arterial) showed a linear decremental overall survival benefit for the second arterial graft to circumflex circulation with increasing age. CONCLUSIONS The survival benefit of a second arterial graft persists through all age groups with a gradual decline with increasing age over the decades. Elderly patients should not be denied a second arterial graft to the circumflex circulation based on age criterion alone.
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Affiliation(s)
- Suvitesh Luthra
- Division of Cardiac Surgery, University Hospital Southampton, Hampshire, UK
| | - Miguel M Leiva-Juárez
- Department of Surgery, Brookdale University Hospital and Medical Center, Brooklyn, NY, USA
| | - Pietro G Malvindi
- Division of Cardiac Surgery, University Hospital Southampton, Hampshire, UK
| | - John S Billing
- Department of Cardiothoracic Surgery, New Cross Hospital, West Midlands, UK
| | - Sunil K Ohri
- Division of Cardiac Surgery, University Hospital Southampton, Hampshire, UK
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15
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Milutinovic AV, Krasic SD, Zivkovic IS, Cirkovic AM, Lokas SZ, Jovanovic MM, Milojevic PS, Peric MS. Prediction value of EuroSCORE II in total arterial revascularization and its usage in the evaluation of postoperative complications: Single-center experience. Asian Cardiovasc Thorac Ann 2021; 29:903-909. [PMID: 33611947 DOI: 10.1177/0218492321997057] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Total arterial revascularization is the most durable and technically the most demanding type of coronary artery bypass grafting procedure. It has proven long-term supremacy in comparison to conventional coronary artery bypass grafting. In our study, we investigated the reliability of EuroSCORE II as a predictor of intrahospital death. We showed its impact on adverse perioperative events. METHODS In this nonrandomized prospective study, we analyzed 116 consecutive patients who underwent the total arterial revascularization procedure at our Institute from January 2011 until the present. For myocardial revascularization, the most suitable combinations with left internal mammary artery, right internal mammary artery, and radial artery grafts were used. Main fact in this research was intrahospital mortality value in comparison with the value predicted. RESULTS There were 104 (89.7%) males and 12 (10.3%) females. Mean preoperative EuroSCORE II prediction value was 1.98% and postoperative we obtained 1.72%. Postoperative redo for bleeding was 6%. Positive correlation was proven between the EuoroSCORE II value and intensive care unit stay (0.452; p < 0.001). Among patients who received two internal mammary arteries, the highest EuroSCORE II was among those with presternal wound infection (p = 0.005). Patients with bilateral internal mammary arteries and diabetes showed that they have the highest values of EuroSCORE II and, at the same time, that they are extremely prone to wound problems. CONCLUSIONS We achieved a lower intrahospital mortality level than it was predicted with preoperative EuroSCORE II value. This tool is a reliable method for preoperative death risk calculation in this group of patients.
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Affiliation(s)
| | - Stasa D Krasic
- Department of Pediatric Cardiology, Mother and Child Health Care Institute of Serbia, Belgrade, Serbia
| | - Igor S Zivkovic
- Department of Cardiac Surgery, Dedinje Cardiovascular Institute, Belgrade, Serbia
| | | | - Slobodan Z Lokas
- Department of Cardiac Surgery, Dedinje Cardiovascular Institute, Belgrade, Serbia
| | - Milos M Jovanovic
- Department of Cardiac Surgery, Dedinje Cardiovascular Institute, Belgrade, Serbia
| | - Predrag S Milojevic
- Department of Cardiac Surgery, Dedinje Cardiovascular Institute, Belgrade, Serbia.,School of Medicine, Belgrade University, Belgrade, Serbia
| | - Miodrag S Peric
- Department of Cardiac Surgery, Dedinje Cardiovascular Institute, Belgrade, Serbia.,School of Medicine, Belgrade University, Belgrade, Serbia
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16
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Navia D, Espinoza J, Vrancic M, Piccinini F, Camporrotondo M, Dorsa A, Seoane L. Bilateral internal thoracic artery grafting in elderly patients: Any benefit in survival? J Thorac Cardiovasc Surg 2020; 164:542-549. [DOI: 10.1016/j.jtcvs.2020.09.101] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 09/10/2020] [Accepted: 09/16/2020] [Indexed: 11/16/2022]
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17
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Neumann FJ, Sousa-Uva M, Ahlsson A, Alfonso F, Banning AP, Benedetto U, Byrne RA, Collet JP, Falk V, Head SJ, Jüni P, Kastrati A, Koller A, Kristensen SD, Niebauer J, Richter DJ, Seferovic PM, Sibbing D, Stefanini GG, Windecker S, Yadav R, Zembala MO. 2018 ESC/EACTS Guidelines on myocardial revascularization. Eur Heart J 2020; 40:87-165. [PMID: 30165437 DOI: 10.1093/eurheartj/ehy394] [Citation(s) in RCA: 4042] [Impact Index Per Article: 1010.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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18
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Munakata H, Tajima K, Kato W, Tanaka K, Tokuda Y, Mutsuga M, Usui A. Bilateral versus single internal thoracic artery grafting in hemodialysis patients. Gen Thorac Cardiovasc Surg 2019; 68:768-773. [PMID: 31760566 DOI: 10.1007/s11748-019-01254-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 11/13/2019] [Indexed: 11/26/2022]
Abstract
BACKGROUND The use of the bilateral internal thoracic arteries (BITAs) during myocardial revascularization reportedly provides a survival benefit over using a single internal thoracic artery (SITA). However, the advantages in chronic hemodialysis patients, who generally have multiple comorbidities, is unclear. METHODS Outcomes of chronic hemodialysis patients who underwent isolated coronary artery bypass grafting (CABG) using a SITA with additional saphenous vein grafts (SVGs) (n = 33) or BITAs (n = 30) for left-side revascularization were retrospectively reviewed. RESULTS With the exception of the rate of diabetes mellitus (SITA vs. BITA: 84.8% vs. 50.0%; p = 0.003), the two groups showed similar patient characteristics. Using the off-pump technique, revascularization was completed without manipulation of the ascending aorta in 45.7% of patients in the BITA group, whereas all patients in the SITA group required aortic manipulation (p < 0.001). Of note, the incidence of extensive aortic calcification (>50% of ascending aorta circumference) was not uncommon (14.3%). The in-hospital mortality (3.0% vs. 0%, p = 0.336) and complication rates (including deep wound infection, re-exploration and stroke) were similar in both groups. The 5-year estimated survival rates for freedom from overall death in the SITA and BITA groups were 42.4% and. 57.4%, respectively (p = 0.202). CONCLUSIONS BITA grafting was able to achieve revascularization with minimal manipulation of the diseased ascending aorta without increasing the complication rate. The long-term survival benefit of BITA grafting, however, was unclear in dialysis patients, especially because such patients have a relatively short life expectancy.
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Affiliation(s)
- Hisaaki Munakata
- Department of Cardiac Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8560, Japan.
| | - Kazuyoshi Tajima
- Department of Cardiovascular Surgery, Nagoya Daini Red Cross Hospital, Nagoya, Japan
| | - Wataru Kato
- Department of Cardiovascular Surgery, Nagoya Daini Red Cross Hospital, Nagoya, Japan
| | - Keisuke Tanaka
- Department of Cardiovascular Surgery, Nagoya Daini Red Cross Hospital, Nagoya, Japan
| | - Yoshiyuki Tokuda
- Department of Cardiac Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8560, Japan
| | - Masato Mutsuga
- Department of Cardiac Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8560, Japan
| | - Akihiko Usui
- Department of Cardiac Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8560, Japan
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19
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Pu A, Ding L, Shin J, Price J, Skarsgard P, Wong DR, Bozinovski J, Fradet G, Abel JG. Long-term Outcomes of Multiple Arterial Coronary Artery Bypass Grafting: A Population-Based Study of Patients in British Columbia, Canada. JAMA Cardiol 2019; 2:1187-1196. [PMID: 29049458 DOI: 10.1001/jamacardio.2017.3705] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Importance Although the long-term survival advantage of multiple arterial grafting (MAG) vs the standard use of left internal thoracic artery (LITA) supplemented by saphenous vein grafts (LITA+SVG) has been demonstrated in several observational studies, to our knowledge its safety and other long-term clinical benefits in a large, population-based cohort are unknown. Objective To compare the safety and long-term outcomes of MAG vs LITA+SVG among overall and selected subgroups of patients. Design, Setting, and Participants In this population-based observational study, we included 20 076 adult patients with triple-vessel or left-main disease who underwent primary isolated coronary artery bypass grafting (MAG, n = 5580; LITA+SVG, n = 14 496) in the province of British Columbia, Canada, from January 2000 to December 2014, with follow-up to December 2015. We performed propensity-score analyses by weighting and matching and multivariable Cox regression to minimize treatment selection bias. Exposures Multiple arterial grafting or LITA+SVG. Main Outcomes and Measures Mortality, repeated revascularization, myocardial infarction, heart failure, and stroke. Results Of 5580 participants who underwent MAG, 586 (11%) were women and the mean (SD) age was 60 (8.7) years. Of 14 496 participants who underwent LITA+SVG, 2803 (19%) were women and the mean (SD) age was 68 (8.9) years. The median (interquartile range) follow-up time was 9.1 (5.1-12.6) years and 8.1 (4.5-11.7) years for the groups receiving MAG and LITA+SVG, respectively. Compared with LITA+SVG, MAG was associated with reduced mortality rates (hazard ratio [HR], 0.79; 95% CI, 0.72-0.87) and repeated revascularization rates (HR, 0.74; 95% CI, 0.66-0.84) in 15-year follow-up and reduced incidences of myocardial infarction (HR, 0.63; 95% CI, 0.47-0.85) and heart failure (HR, 0.79; 95% CI, 0.64-0.98) in 7-year follow-up. The long-term benefits were coherent by all 3 statistical methods and persisted among patient subgroups with diabetes, obesity, moderately impaired ejection fraction, chronic obstructive pulmonary disease, peripheral vascular disease, or renal disease. Multiple arterial grafting was not associated with increased morbidity or mortality rates at 30 days overall or within patient subgroups. Conclusions and Relevance Compared with LITA+SVG, MAG is associated with reduced mortality, repeated revascularization, myocardial infarction, and heart failure among patients with multivessel disease who are undergoing coronary artery bypass grafting without increased mortality or other adverse events at 30 days. The long-term benefits consistently observed across multiple outcomes and subgroups support the consideration of MAG for a broader spectrum of patients who are undergoing coronary artery bypass grafting in routine practice.
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Affiliation(s)
- Aihua Pu
- Cardiac Services BC, Vancouver, British Columbia, Canada
| | - Lillian Ding
- Cardiac Services BC, Vancouver, British Columbia, Canada
| | - Jungwon Shin
- Cardiac Services BC, Vancouver, British Columbia, Canada
| | - Joel Price
- Vancouver General Hospital, Vancouver, British Columbia, Canada.,University of British Columbia, Vancouver, British Columbia, Canada
| | - Peter Skarsgard
- Vancouver General Hospital, Vancouver, British Columbia, Canada.,University of British Columbia, Vancouver, British Columbia, Canada
| | - Daniel R Wong
- University of British Columbia, Vancouver, British Columbia, Canada.,Royal Columbian Hospital, New Westminster, British Columbia, Canada
| | - John Bozinovski
- University of British Columbia, Vancouver, British Columbia, Canada.,Royal Jubilee Hospital, Victoria, British Columbia, Canada
| | - Guy Fradet
- University of British Columbia, Vancouver, British Columbia, Canada.,Kelowna General Hospital, Kelowna, British Columbia, Canada
| | - James G Abel
- University of British Columbia, Vancouver, British Columbia, Canada.,St. Paul's Hospital, Vancouver, British Columbia, Canada
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Neumann FJ, Sousa-Uva M, Ahlsson A, Alfonso F, Banning AP, Benedetto U, Byrne RA, Collet JP, Falk V, Head SJ, Jüni P, Kastrati A, Koller A, Kristensen SD, Niebauer J, Richter DJ, Seferović PM, Sibbing D, Stefanini GG, Windecker S, Yadav R, Zembala MO. 2018 ESC/EACTS Guidelines on myocardial revascularization. EUROINTERVENTION 2019; 14:1435-1534. [PMID: 30667361 DOI: 10.4244/eijy19m01_01] [Citation(s) in RCA: 337] [Impact Index Per Article: 67.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Franz-Josef Neumann
- Department of Cardiology & Angiology II, University Heart Center Freiburg-Bad Krozingen, Bad Krozingen, Germany
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21
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Sousa-Uva M, Neumann FJ, Ahlsson A, Alfonso F, Banning AP, Benedetto U, Byrne RA, Collet JP, Falk V, Head SJ, Jüni P, Kastrati A, Koller A, Kristensen SD, Niebauer J, Richter DJ, Seferovic PM, Sibbing D, Stefanini GG, Windecker S, Yadav R, Zembala MO. 2018 ESC/EACTS Guidelines on myocardial revascularization. Eur J Cardiothorac Surg 2018; 55:4-90. [PMID: 30165632 DOI: 10.1093/ejcts/ezy289] [Citation(s) in RCA: 364] [Impact Index Per Article: 60.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
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22
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Early Outcome of Bilateral Versus Single Internal Mammary Artery Grafting in the Elderly. Ann Thorac Surg 2018; 105:1717-1723. [DOI: 10.1016/j.athoracsur.2017.11.079] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 10/28/2017] [Accepted: 11/27/2017] [Indexed: 12/28/2022]
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Saran N, Locker C, Said SM, Daly RC, Maltais S, Stulak JM, Greason KL, Pochettino A, Schaff HV, Dearani JA, Joyce LD, Lahr BD, Joyce DL. Current trends in bilateral internal thoracic artery use for coronary revascularization: Extending benefit to high-risk patients. J Thorac Cardiovasc Surg 2018; 155:2331-2343. [DOI: 10.1016/j.jtcvs.2018.01.094] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 11/19/2017] [Accepted: 01/11/2018] [Indexed: 10/18/2022]
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Abstract
Purpose of Review Several advances have been made in recent years to improve outcome for patients with coronary artery disease. One of the most debated topics regarding surgical treatment with coronary artery bypass grafting (CABG) is graft selection. This review aims to present the current status and scientific evidence for bilateral internal thoracic artery (BITA) grafting. Recent Findings Observational studies and pooled analyses suggest that BITA grafting is associated with improved survival. Early results from a large randomized controlled trial report safety and efficacy of the method. The improved survival might be amplified in select groups, but with an increase in sternal wound-related complications. The benefit of BITA grafts seems to remain to an approximate age of 69 years at surgery. Summary CABG with BITA grafts is likely associated with improved long-term survival at a cost of an increase in sternal wound infections. Ten-year results from the Arterial Revascularization Trial are expected in 2018, providing the best evidence regarding the method yet. Early results show it is a safe method in most patient categories considerable for CABG.
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Ryan CT, Schutz A, Rosengart TK. Right for the Wrong Reasons: Implications of Data Insufficiency in Bilateral Versus Single Internal Thoracic Artery Grafting Analysis. J Am Heart Assoc 2018; 7:JAHA.117.008262. [PMID: 29306900 PMCID: PMC5778976 DOI: 10.1161/jaha.117.008262] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Christopher T Ryan
- Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX
| | - Alexander Schutz
- Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX
| | - Todd K Rosengart
- Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX
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Nicolini F, Vezzani A, Romano G, Carino D, Ricci M, Chicco MVD, Gherli T. Coronary Artery Bypass Grafting with Arterial Conduits in the Elderly. Int Heart J 2017; 58:647-653. [PMID: 28966319 DOI: 10.1536/ihj.16-468] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Although improved long-term outcomes obtained with the use of arterial grafts for coronary revascularization in comparison with the traditional association of a single arterial and saphenous vein grafts have been demonstrated in the overall population, the efficacy of this newer technique in the elderly is difficult to prove because their shorter life expectancy due to advanced heart disease, associated with severe comorbidities. Moreover, more widespread use of this technique is limited by the concerns on the potential morbidity, particularly the longer time required to perform the operation and the possibility of deep sternal wound infection in case of bilateral internal thoracic artery harvesting due to the decreased blood supply to the sternum and surrounding tissues.The review of the recent literature indicates that the use of bilateral internal thoracic arteries in very elderly patients should not be considered routinely. It seems reasonable to avoid it in octogenarians in the presence of well-known predictors of sternal complications such as diabetes, morbid obesity, and severe chronic lung disease.There is also still controversy about the superiority of the radial artery over the saphenous vein graft as a second or third conduit for surgical myocardial revascularization, although the majority of recent studies seem to support more liberal use of the radial artery as second arterial conduit in the elderly. Although a clinical benefit of arterial graft revascularization cannot be formally excluded for elderly patients, the increased complexity of this technique suggests that careful clinical judgment is necessary to select grafts for individual patients.
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Affiliation(s)
- Francesco Nicolini
- Cardiac Surgery Unit, Department of Clinical and Experimental Medicine, University of Parma
| | | | - Giorgio Romano
- Cardiac Surgery Unit, Department of Clinical and Experimental Medicine, University of Parma
| | - Davide Carino
- Cardiac Surgery Unit, Department of Clinical and Experimental Medicine, University of Parma
| | - Matteo Ricci
- Cardiac Surgery Unit, Department of Clinical and Experimental Medicine, University of Parma
| | | | - Tiziano Gherli
- Cardiac Surgery Unit, Department of Clinical and Experimental Medicine, University of Parma
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Taggart DP, Altman DG, Flather M, Gerry S, Gray A, Lees B, Benedetto U. Associations Between Adding a Radial Artery Graft to Single and Bilateral Internal Thoracic Artery Grafts and Outcomes: Insights From the Arterial Revascularization Trial. Circulation 2017; 136:454-463. [PMID: 28566338 DOI: 10.1161/circulationaha.117.027659] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Accepted: 05/18/2017] [Indexed: 11/16/2022]
Abstract
BACKGROUND Whether the use of the radial artery (RA) can improve clinical outcomes in coronary artery bypass graft surgery remains unclear. The ART (Arterial Revascularization Trial) was designed to compare survival after bilateral internal thoracic artery (BITA) over single left internal thoracic artery (SITA). In the ART, a large proportion of patients (≈20%) also received an RA graft instead of a saphenous vein graft (SVG). We aimed to investigate the associations between using the RA instead of an SVG to supplement SITA or BITA grafts and outcomes by performing a post hoc analysis of the ART. METHODS Patients enrolled in the ART (n=3102) were classified on the basis of conduits actually received (as treated). The analysis included 2737 patients who received an RA graft (RA group; n=632) or SVG only (SVG group; n=2105) in addition to SITA or BITA grafts. The primary end point was the composite of myocardial infarction, cardiovascular death, and repeat revascularization at 5 years. Propensity score matching and stratified Cox regression were used to compare the 2 strategies. RESULTS Myocardial infarction, cardiovascular death, and repeat revascularization cumulative incidence was 2.3% (95% confidence interval [CI], 1.1-3.4), 3.5% (95% CI, 2.1-5.0), and 4.4% (95% CI, 2.8-6.0) in the RA group and 3.4% (95% CI, 2.0-4.8), 4.0% (95% CI, 2.5-5.6), and 7.6% (95% CI, 5.5-9.7) in the SVG group, respectively. The composite end point was significantly lower in the RA group (8.8%; 95% CI, 6.5-11.0) compared with the SVG group (13.6%; 95% CI, 10.8-16.3; P=0.005). This association was present when an RA graft was used to supplement both SITA and BITA grafts (interaction P=0.62). CONCLUSIONS This post hoc ART analysis showed that an additional RA was associated with lower risk for midterm major adverse cardiac events when used to supplement SITA or BITA grafts. CLINICAL TRIAL REGISTRATION URL: https://www.situ.ox.ac.uk/surgical-trials/art. Unique identifier: ISRCTN46552265.
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Affiliation(s)
- David P Taggart
- From Nuffield Department of Surgery, University of Oxford, John Radcliffe Hospital, United Kingdom (D.P.T., B.L.); Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (D.G.A., S.G.), and Department of Public Health, Health Economics Research Centre (A.G.), University of Oxford, United Kingdom; Norwich Medical School, University of East Anglia, and Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, United Kingdom (M.F.); and Bristol Heart Institute, School of Clinical Sciences, University of Bristol, United Kingdom (U.B.)
| | - Douglas G Altman
- From Nuffield Department of Surgery, University of Oxford, John Radcliffe Hospital, United Kingdom (D.P.T., B.L.); Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (D.G.A., S.G.), and Department of Public Health, Health Economics Research Centre (A.G.), University of Oxford, United Kingdom; Norwich Medical School, University of East Anglia, and Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, United Kingdom (M.F.); and Bristol Heart Institute, School of Clinical Sciences, University of Bristol, United Kingdom (U.B.)
| | - Marcus Flather
- From Nuffield Department of Surgery, University of Oxford, John Radcliffe Hospital, United Kingdom (D.P.T., B.L.); Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (D.G.A., S.G.), and Department of Public Health, Health Economics Research Centre (A.G.), University of Oxford, United Kingdom; Norwich Medical School, University of East Anglia, and Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, United Kingdom (M.F.); and Bristol Heart Institute, School of Clinical Sciences, University of Bristol, United Kingdom (U.B.)
| | - Stephen Gerry
- From Nuffield Department of Surgery, University of Oxford, John Radcliffe Hospital, United Kingdom (D.P.T., B.L.); Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (D.G.A., S.G.), and Department of Public Health, Health Economics Research Centre (A.G.), University of Oxford, United Kingdom; Norwich Medical School, University of East Anglia, and Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, United Kingdom (M.F.); and Bristol Heart Institute, School of Clinical Sciences, University of Bristol, United Kingdom (U.B.)
| | - Alastair Gray
- From Nuffield Department of Surgery, University of Oxford, John Radcliffe Hospital, United Kingdom (D.P.T., B.L.); Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (D.G.A., S.G.), and Department of Public Health, Health Economics Research Centre (A.G.), University of Oxford, United Kingdom; Norwich Medical School, University of East Anglia, and Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, United Kingdom (M.F.); and Bristol Heart Institute, School of Clinical Sciences, University of Bristol, United Kingdom (U.B.)
| | - Belinda Lees
- From Nuffield Department of Surgery, University of Oxford, John Radcliffe Hospital, United Kingdom (D.P.T., B.L.); Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (D.G.A., S.G.), and Department of Public Health, Health Economics Research Centre (A.G.), University of Oxford, United Kingdom; Norwich Medical School, University of East Anglia, and Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, United Kingdom (M.F.); and Bristol Heart Institute, School of Clinical Sciences, University of Bristol, United Kingdom (U.B.)
| | - Umberto Benedetto
- From Nuffield Department of Surgery, University of Oxford, John Radcliffe Hospital, United Kingdom (D.P.T., B.L.); Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (D.G.A., S.G.), and Department of Public Health, Health Economics Research Centre (A.G.), University of Oxford, United Kingdom; Norwich Medical School, University of East Anglia, and Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, United Kingdom (M.F.); and Bristol Heart Institute, School of Clinical Sciences, University of Bristol, United Kingdom (U.B.).
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Coronary Artery Bypass Graft Surgery Using the Radial Artery, Right Internal Thoracic Artery, or Saphenous Vein as the Second Conduit. Ann Thorac Surg 2017; 104:553-559. [DOI: 10.1016/j.athoracsur.2016.11.017] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 10/03/2016] [Accepted: 11/07/2016] [Indexed: 11/22/2022]
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Gatti G, Benussi B, Bollini M, Forti G, Poletti A, Rauber E, Gabrielli M, De Monte A, Sinagra G, Pappalardo A. Liberal bilateral internal thoracic artery use in people with diabetes neutralizes the negative impact of insulin-requiring status. J Cardiovasc Med (Hagerstown) 2017; 18:596-604. [PMID: 28549016 DOI: 10.2459/jcm.0000000000000529] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AIMS Bilateral internal thoracic artery (BITA) grafts are underused in insulin-dependent diabetic patients because of increased risk of postoperative complications. The impact of the insulin-requiring status on outcomes after routine BITA grafting was investigated in this retrospective study. METHODS Skeletonized BITA grafts were used in 3228 (71.6%) of 4508 consecutive patients having multivessel coronary disease who underwent isolated coronary bypass surgery at the authors' institution from January 1999 to August 2015. Among these BITA patients, diabetes mellitus and the insulin-requiring status were present in 972 (30.1%) and 237 (7.3%) cases, respectively. After the one-to-one propensity score-matching, 215 pairs of insulin-dependent/noninsulin-dependent people with diabetes were compared as the postoperative outcomes. The operative risk was calculated for each patient according to the logistic European System for Cardiac Operative Risk Evaluation (logistic EuroSCORE). RESULTS As expected, insulin-dependent people with diabetes had higher risk profiles than noninsulin-dependent people with diabetes (median logistic EuroSCORE, 4.1 vs. 3.5%, P = 0.086). However, there were no differences in in-hospital mortality both in unmatched and propensity score-matched series (2.5 vs. 2%, P = 0.65 and 2.8 vs. 1.9%, P = 0.52, respectively). In propensity score-matched pairs, only prolonged invasive ventilation (P = 0.0039) and deep sternal wound infection (P = 0.071) were more frequent in insulin-dependent people with diabetes. No differences were found as the late outcomes. CONCLUSION In diabetic patients, the insulin-requiring status is by itself a risk factor neither for in-hospital death nor for poor late outcomes after routine BITA grafting. Only the risk of prolonged invasive ventilation and deep sternal wound infection are increased early after surgery.
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Affiliation(s)
- Giuseppe Gatti
- aCardiovascular Department, University Hospital of Trieste bHospital Unit for Diabetes Control, Ospedali Riuniti, Trieste, Italy
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Taggart DP, Altman DG, Gray AM, Lees B, Gerry S, Benedetto U, Flather M. Randomized Trial of Bilateral versus Single Internal-Thoracic-Artery Grafts. N Engl J Med 2016; 375:2540-9. [PMID: 27959712 DOI: 10.1056/nejmoa1610021] [Citation(s) in RCA: 282] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND The use of bilateral internal thoracic (mammary) arteries for coronary-artery bypass grafting (CABG) may improve long-term outcomes as compared with the use of a single internal-thoracic-artery plus vein grafts. METHODS We randomly assigned patients scheduled for CABG to undergo single or bilateral internal-thoracic-artery grafting in 28 cardiac surgical centers in seven countries. The primary outcome was death from any cause at 10 years. The composite of death from any cause, myocardial infarction, or stroke was a secondary outcome. Interim analyses were prespecified at 5 years of follow-up. RESULTS A total of 3102 patients were enrolled; 1554 were randomly assigned to undergo single internal-thoracic-artery grafting (the single-graft group) and 1548 to undergo bilateral internal-thoracic-artery grafting (the bilateral-graft group). At 5 years of follow-up, the rate of death was 8.7% in the bilateral-graft group and 8.4% in the single-graft group (hazard ratio, 1.04; 95% confidence interval [CI], 0.81 to 1.32; P=0.77), and the rate of the composite of death from any cause, myocardial infarction, or stroke was 12.2% and 12.7%, respectively (hazard ratio, 0.96; 95% CI, 0.79 to 1.17; P=0.69). The rate of sternal wound complication was 3.5% in the bilateral-graft group versus 1.9% in the single-graft group (P=0.005), and the rate of sternal reconstruction was 1.9% versus 0.6% (P=0.002). CONCLUSIONS Among patients undergoing CABG, there was no significant difference between those receiving single internal-thoracic-artery grafts and those receiving bilateral internal-thoracic-artery grafts with regard to mortality or the rates of cardiovascular events at 5 years of follow-up. There were more sternal wound complications with bilateral internal-thoracic-artery grafting than with single internal-thoracic-artery grafting. Ten-year follow-up is ongoing. (Funded by the British Heart Foundation and others; ART Current Controlled Trials number, ISRCTN46552265 .).
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Affiliation(s)
- David P Taggart
- From Nuffield Department of Surgical Sciences (D.P.T., B.L.), Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences, Botnar Research Centre (D.G.A., S.G.), and the Health Economics Research Centre, Nuffield Department of Population Health (A.M.G.), University of Oxford, Oxford, the School of Clinical Sciences, University of Bristol and Bristol Royal Infirmary, Bristol (U.B.), and Norwich Medical School, University of East Anglia and Norfolk and Norwich University Hospital, Norwich (M.F.) - all in the United Kingdom
| | - Douglas G Altman
- From Nuffield Department of Surgical Sciences (D.P.T., B.L.), Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences, Botnar Research Centre (D.G.A., S.G.), and the Health Economics Research Centre, Nuffield Department of Population Health (A.M.G.), University of Oxford, Oxford, the School of Clinical Sciences, University of Bristol and Bristol Royal Infirmary, Bristol (U.B.), and Norwich Medical School, University of East Anglia and Norfolk and Norwich University Hospital, Norwich (M.F.) - all in the United Kingdom
| | - Alastair M Gray
- From Nuffield Department of Surgical Sciences (D.P.T., B.L.), Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences, Botnar Research Centre (D.G.A., S.G.), and the Health Economics Research Centre, Nuffield Department of Population Health (A.M.G.), University of Oxford, Oxford, the School of Clinical Sciences, University of Bristol and Bristol Royal Infirmary, Bristol (U.B.), and Norwich Medical School, University of East Anglia and Norfolk and Norwich University Hospital, Norwich (M.F.) - all in the United Kingdom
| | - Belinda Lees
- From Nuffield Department of Surgical Sciences (D.P.T., B.L.), Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences, Botnar Research Centre (D.G.A., S.G.), and the Health Economics Research Centre, Nuffield Department of Population Health (A.M.G.), University of Oxford, Oxford, the School of Clinical Sciences, University of Bristol and Bristol Royal Infirmary, Bristol (U.B.), and Norwich Medical School, University of East Anglia and Norfolk and Norwich University Hospital, Norwich (M.F.) - all in the United Kingdom
| | - Stephen Gerry
- From Nuffield Department of Surgical Sciences (D.P.T., B.L.), Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences, Botnar Research Centre (D.G.A., S.G.), and the Health Economics Research Centre, Nuffield Department of Population Health (A.M.G.), University of Oxford, Oxford, the School of Clinical Sciences, University of Bristol and Bristol Royal Infirmary, Bristol (U.B.), and Norwich Medical School, University of East Anglia and Norfolk and Norwich University Hospital, Norwich (M.F.) - all in the United Kingdom
| | - Umberto Benedetto
- From Nuffield Department of Surgical Sciences (D.P.T., B.L.), Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences, Botnar Research Centre (D.G.A., S.G.), and the Health Economics Research Centre, Nuffield Department of Population Health (A.M.G.), University of Oxford, Oxford, the School of Clinical Sciences, University of Bristol and Bristol Royal Infirmary, Bristol (U.B.), and Norwich Medical School, University of East Anglia and Norfolk and Norwich University Hospital, Norwich (M.F.) - all in the United Kingdom
| | - Marcus Flather
- From Nuffield Department of Surgical Sciences (D.P.T., B.L.), Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences, Botnar Research Centre (D.G.A., S.G.), and the Health Economics Research Centre, Nuffield Department of Population Health (A.M.G.), University of Oxford, Oxford, the School of Clinical Sciences, University of Bristol and Bristol Royal Infirmary, Bristol (U.B.), and Norwich Medical School, University of East Anglia and Norfolk and Norwich University Hospital, Norwich (M.F.) - all in the United Kingdom
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Right internal thoracic artery or radial artery? A propensity-matched comparison on the second-best arterial conduit. J Thorac Cardiovasc Surg 2016; 153:79-88.e4. [PMID: 27697357 DOI: 10.1016/j.jtcvs.2016.08.060] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Revised: 07/05/2016] [Accepted: 08/26/2016] [Indexed: 11/22/2022]
Abstract
OBJECTIVES We conducted propensity score matching to determine whether the use of the right internal thoracic artery (RITA) confers a survival advantage when compared with the radial artery (RA) as second arterial conduit in coronary artery bypass grafting. METHODS The study population included a highly selected low-risk group of patients who received the RITA (n = 764) or the RA (n = 1990) as second arterial conduit. We obtained 764 matched pairs that were comparable for all pretreatment variables. A time-segmented Cox regression model that stratified on the matched pairs was used to investigate the effect of treatment on late mortality. RESULTS After a mean follow-up of 10.2 ± 4.5 years (maximum 17.3 years), survival probabilities at 5, 10, and 15 years were 96.4% ± 0.7% versus 95.4% ± 0.7%, 91.0% ± 1.1% versus 89.1% ± 1.2%, and 82.4% ± 1.9% versus 77.2% ± 2.5% in the RITA and RA groups, respectively. During the first 4 years, RITA and RA were comparable in terms of mortality (hazard ratio [HR], 1.00; 95% confidence interval [CI], 0.56-1.78; P = .98). However, after 4 years RITA was associated with a significant reduction in late mortality (HR, 0.67; 95% CI, 0.48-0.95; P = .02). RITA was superior to RA when the experimental conduit was used to graft the left coronary system (HR, 0.69; 95% CI, 0.47-0.99; P = .04) but not the right coronary system (HR, 0.98; 95% CI, 0.59-1.62; P = .93). CONCLUSIONS In a highly selected low-risk group of patients, the use of the RITA as second arterial conduit instead of the RA was associated with better survival when used to graft the left but not the right coronary artery.
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Benedetto U, Caputo M, Zakkar M, Bryan A, Angelini GD. Are three arteries better than two? Impact of using the radial artery in addition to bilateral internal thoracic artery grafting on long-term survival. J Thorac Cardiovasc Surg 2016; 152:862-869.e2. [DOI: 10.1016/j.jtcvs.2016.04.054] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Revised: 04/11/2016] [Accepted: 04/19/2016] [Indexed: 11/26/2022]
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Itoh S, Kimura N, Adachi H, Yamaguchi A. Is Bilateral Internal Mammary Arterial Grafting Beneficial for Patients Aged 75 Years or Older? Circ J 2016; 80:1756-63. [PMID: 27334306 DOI: 10.1253/circj.cj-16-0181] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Although bilateral internal mammary artery (BIMA) grafting is performed with increasing regularity in elderly patients, whether it is truly beneficial, and therefore indicated, in these patients remains uncertain. We retrospectively investigated early and late outcomes of BIMA grafting in patients aged ≥75 years. METHODS AND RESULTS We identified 460 patients aged ≥75 years from among 2,618 patients who underwent either single internal mammary artery (SIMA) grafting (n=293) or BIMA grafting (n=107). Early outcomes did not differ between the SIMA and BIMA patients (30-day mortality: 1.7% vs. 0%, P=0.39; sternal wound infection: 1.0% vs. 4.7%; P=0.057). Late outcomes, 10-year survival in particular, were improved in the BIMA group (36.6% vs. 48.1%, P=0.033). In the analysis of the results in propensity score-matched groups (196 patients in the SIMA group, 98 patients in the BIMA group), improved 10-year survival was documented in the BIMA group (34.8% vs. 47.6%, P=0.030). Cox proportional regression analysis showed SIMA usage (non-use of BIMA) to be a predictor for late mortality (hazard ratio: 0.65, 95% confidence interval: 0.43-0.98, P=0.042). We further compared outcomes between the total non-elderly patients (n=2,158) and total elderly patients (n=460). BIMA usage was similar, as was 30-day mortality (1.0% vs. 1.3%, respectively). CONCLUSIONS A survival advantage, with no increase in early mortality, can be expected from BIMA grafting in patients aged ≥75 years. (Circ J 2016; 80: 1756-1763).
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Affiliation(s)
- Satoshi Itoh
- Department of Cardiovascular Surgery, Saitama Medical Center, Jichi Medical University
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Right internal thoracic artery versus radial artery as the second best arterial conduit: Insights from a meta-analysis of propensity-matched data on long-term survival. J Thorac Cardiovasc Surg 2016; 152:1083-1091.e15. [PMID: 27342731 DOI: 10.1016/j.jtcvs.2016.05.022] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 04/13/2016] [Accepted: 05/19/2016] [Indexed: 11/23/2022]
Abstract
OBJECTIVE(S) We conducted a meta-analysis of propensity score-matching (PSM) studies comparing long-term survival of patients receiving right internal thoracic artery (RITA) versus radial artery (RA) as a second arterial conduit for coronary artery bypass grafting. METHODS A literature search was conducted using MEDLINE, EMBASE, and Web of Science to identify relevant articles. Primary endpoint was long-term mortality. Secondary endpoints were operative mortality, incidence of sternal wound infection, and repeat revascularization. Binary events were pooled using the DerSimonian and Laird method. For time-to-event outcomes, estimates of log hazard ratio (HR) and standard errors obtained were combined using the generic inverse-variance method. RESULTS A total of 8 PSM studies were finally selected including 15,374 patients (RITA, 6739; RA, 8635) with 2992 matched pairs for final comparison. Mean follow-up time ranged from 45 to 168 months. When compared with RA, RITA was associated with a lower risk reduction of late death (HR, 0.75; 95% confidence interval [CI], 0.58-0.97; P = .028) and repeat revascularization (HR, 0.37; 95% CI, 0.16-0.85; P = .03). On the other hand, RITA did not increase operative mortality (odds ratio [OR], 1.53; 95% CI, 0.97-2.39; P = .07). RITA was associated with an increased risk of sternal wound complication when pedicled harvesting was used (OR, 3.18; 95% CI, 1.34-7.57), but not with skeletonized harvesting (OR, 1.07; 95% CI, 0.67-1.71). CONCLUSIONS The present PSM data meta-analysis suggests that the use of RITA compared with RA was associated with superior long-term survival and freedom from repeat revascularization, with similar operative mortality and incidence of sternal wound complication when the skeletonized harvesting technique was used.
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Kurlansky P. Multiple arterial grafting for coronary revascularization: "A guide for the perplexed". Trends Cardiovasc Med 2016; 26:616-23. [PMID: 27180277 DOI: 10.1016/j.tcm.2016.04.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2016] [Accepted: 04/08/2016] [Indexed: 10/21/2022]
Abstract
The surgical literature abounds with articles extolling the benefits of arterial grafting for patients with advanced coronary artery disease in need of surgical revascularization. However, examination of clinical performance demonstrates that extensive use of arterial grafting is highly selective and generally uncommon. Rather than to merely repeat multiple excellent recent literature reviews, the goal herein is to provide the reader with a guide to the evaluation of the current literature as well as to suggest fruitful areas for further research. More circumspect understanding of the strengths and weaknesses of our current knowledge base will not only help to explain the current apparent disparity between theory and practice but will hopefully inform future decision-making and patient care.
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Affiliation(s)
- Paul Kurlansky
- Department of Surgery, Columbia University, New York, NY.
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Kurlansky PA, Traad EA, Dorman MJ, Galbut DL, Ebra G. Bilateral Versus Single Internal Mammary Artery Grafting in the Elderly: Long-Term Survival Benefit. Ann Thorac Surg 2015; 100:1374-81; discussion 1381-2. [DOI: 10.1016/j.athoracsur.2015.04.019] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Revised: 03/27/2015] [Accepted: 04/01/2015] [Indexed: 10/23/2022]
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Coronary artery bypass grafting in octogenarians: only when percutaneous coronary intervention is not feasible? Curr Opin Cardiol 2015; 30:636-42. [PMID: 26352246 DOI: 10.1097/hco.0000000000000222] [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] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW The aim of this study was to review recent literature reporting the results of coronary revascularization by percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) in patients older than 80 years. RECENT FINDINGS The review of recent studies on octogenarians demonstrates a surgical CABG advantage in the case of patients with increasing baseline coronary risk, such as severe multivessel disease, chronic total occlusions, and left ventricular dysfunction. PCI seems to be more appropriate for less severe degree and distribution of coronary lesions, and for subgroups of patients with higher surgical risk, such as acute coronary syndromes, reoperations, malignancy, dementia, poor mobility, frailty, and serious comorbidities contraindicating extracorporeal circulation. SUMMARY It is not the case that CABG is indicated only when there are contraindications to PCI. CABG confers more benefit than PCI in patients with increasing baseline cardiac risk, in the absence of serious systemic diseases that can reasonably reduce their life expectancy.CABG and PCI, with proper selection, should be considered complementary rather than competitive procedures in the therapy of octogenarians affected by coronary artery disease.
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Kinoshita T, Asai T, Suzuki T. Off-pump bilateral skeletonized internal thoracic artery grafting in patients with chronic kidney disease. J Thorac Cardiovasc Surg 2015; 150:315-21.e3. [DOI: 10.1016/j.jtcvs.2015.04.058] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2014] [Revised: 04/07/2015] [Accepted: 04/18/2015] [Indexed: 11/30/2022]
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Affiliation(s)
- Shahzad G Raja
- Department of Cardiac Surgery, Harefield Hospital, Hill End Road, Harefield, UB9 6JH London, United Kingdom.
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Deo SV, Altarabsheh SE, Shah IK, Cho YH, McGraw M, Sarayyepoglu B, Medalion B, Markowitz AH, Park SJ. Are two really always better than one? Results, concerns and controversies in the use of bilateral internal thoracic arteries for coronary artery bypass grafting in the elderly: a systematic review and meta-analysis. Int J Surg 2015; 16:163-70. [PMID: 25598216 DOI: 10.1016/j.ijsu.2015.01.008] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Revised: 01/05/2015] [Accepted: 01/11/2015] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Bilateral internal thoracic artery grafting appears to be the preferred method to achieve durable long-term coronary artery revascularization. However, data reporting the benefit of this technique in the elderly is very conflicting. METHOD We performed a systematic review of available literature (till November 2014) using multiple databases to identify studies comparing clinical events in patients undergoing coronary artery bypass grafting using either a single or double internal thoracic artery in the elderly. While early mortality was the primary end-point of inclusion, other adverse events compared were sternal wound infection (deep and superficial), stroke and peri-operative myocardial infarction. Individual and pooled odd's ratios were calculated using the Mantel-Haenzel method (random effect model); sensitivity analysis was performed. Results are presented using 95% confidence intervals. RESULT Nine retrospective studies (4479 BITA, 7733 LITA patients) fulfilled search criteria. Deep sternal wound infection was significantly higher after BITA harvest [OR 1.86 (1.3-2.5); I(2) = 0%; p < 0.01]. Early mortality (BITA 3.6% vs SITA 3.1%; p = 0.86), stroke [OR 0.7(0.4-1.1); p = 0.1], and peri-operative myocardial infarction (BITA 4.3% vs SITA 2.3%; p = 0.1) were comparable in both cohorts. Long-term survival favored the BITA cohort in two propensity matched studies. CONCLUSION The incidence of deep sternal wound infection may be significantly higher after the harvest of both internal thoracic arteries in the elderly. While other post-operative adverse events are comparable, data regarding the long-term survival advantage in this cohort is conflicting. Hence, the use of both internal thoracic arteries in this age group needs to be invidualized.
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Affiliation(s)
- Salil V Deo
- Division of Cardiac Surgery, Harrington Heart and Vascular Institute, Case Medical Center, University Hospitals, Cleveland, OH, USA.
| | - Salah E Altarabsheh
- Department of Cardiovascular Surgery, Queen Alia Heart Institute, Amman, Jordan
| | - Ishan K Shah
- Department of Surgery, University of Minnesota, Minneapolis-St.Paul, MN, USA
| | - Yang Hyun Cho
- Department of Thoracic and Cardiovascular Surgery, Sungkyunkwan School of Medicine, Samsung Hospital, Seoul, South Korea
| | - Michael McGraw
- Health Sciences Library, Case Western Reserve University, Cleveland, OH, USA
| | - Basar Sarayyepoglu
- Division of Cardiac Surgery, Harrington Heart and Vascular Institute, Case Medical Center, University Hospitals, Cleveland, OH, USA
| | - Benjamin Medalion
- Division of Cardiac Surgery, Harrington Heart and Vascular Institute, Case Medical Center, University Hospitals, Cleveland, OH, USA
| | - Alan H Markowitz
- Division of Cardiac Surgery, Harrington Heart and Vascular Institute, Case Medical Center, University Hospitals, Cleveland, OH, USA
| | - Soon J Park
- Division of Cardiac Surgery, Harrington Heart and Vascular Institute, Case Medical Center, University Hospitals, Cleveland, OH, USA
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The data and use of bilateral internal thoracic artery grafting: A paradox indeed. J Thorac Cardiovasc Surg 2015; 149:848-9. [DOI: 10.1016/j.jtcvs.2014.11.084] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Accepted: 11/28/2014] [Indexed: 11/24/2022]
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