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Wei Y, Gu X, Hu S, Zhu W, Yang K, Hua Z. Two novel nomograms predict 30-day mortality after off-pump coronary artery bypass grafting. Heliyon 2024; 10:e32641. [PMID: 38952381 PMCID: PMC11215261 DOI: 10.1016/j.heliyon.2024.e32641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Revised: 06/06/2024] [Accepted: 06/06/2024] [Indexed: 07/03/2024] Open
Abstract
Background With the development of surgical techniques and medical equipment, the mortality rate of off-pump coronary artery bypass grafting (CABG) has been declining year by year, but there is a lack of convenient and accurate predictive models. This study aims to use two nomograms to predict 30-day mortality after off-pump CABG. Methods Patients with isolated off-pump CABG from January 2016 to January 2021 were consecutively enrolled. Potential predictive factors were first screened by lasso regression, and then predictive models were constructed by multivariate logistic regression. To earlier identify high-risk patients, two nomograms were constructed for predicting mortality risk before and after surgery. Results A total of 1840 patients met the inclusion and exclusion criteria. The 30-day mortality was 3.97 % (73/1840) in this cohort. Multivariate logistic analysis showed that age, BMI<18.5 kg/m2, surgical time, creatinine, LVEF, history of previous stroke, and major adverse intraoperative events (including conversion to cardiopulmonary bypass or implantation of intra-aortic balloon pump) were independently associated with 30-day mortality. Model 1 contained preoperative and intraoperative variables, and the AUC was 0.836 (p < 0.001). The AUC of the K-fold validation was 0.819. Model 2 was only constructed by preoperative information. The AUC was 0.745 (p < 0.001). The AUC of the K-fold validation was 0.729. The predictive power of Model 1 was significantly higher than the SinoScore (DeLong's test p < 0.001). Conclusions The two novel nomograms could be conveniently and accurately used to predict the risk of 30-day mortality after isolated off-pump CABG.
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Affiliation(s)
- Yangyan Wei
- Department of Cardiac Surgery, Wuhan Asia General Hospital, Wuhan, 430022, China
- Department of Cardiovascular Surgery, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Xincheng Gu
- Department of Cardiovascular Surgery, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Shengpeng Hu
- Department of Cardiac Surgery, Wuhan Asia General Hospital, Wuhan, 430022, China
| | - Wenjie Zhu
- Department of Cardiac Surgery, Wuhan Asia General Hospital, Wuhan, 430022, China
| | - Kai Yang
- Department of Cardiac Surgery, Wuhan Asia General Hospital, Wuhan, 430022, China
| | - Zhengdong Hua
- Department of Cardiac Surgery, Wuhan Asia General Hospital, Wuhan, 430022, China
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Chan J, Dimagli A, Fudulu DP, Dong T, Mikova E, Angelini GD. On- versus off-pump CABG in octogenarians: A propensity-matched analysis from the UK National Database. J Card Surg 2022; 37:4705-4712. [PMID: 36321671 PMCID: PMC10092246 DOI: 10.1111/jocs.17068] [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: 08/25/2022] [Revised: 10/01/2022] [Accepted: 10/12/2022] [Indexed: 12/30/2022]
Abstract
INTRODUCTION Coronary artery bypass grafting (CABG) remains a good revascularization strategy in octogenarians with excellent clinical outcomes and quality of life postoperatively. However, the benefits of off-pump over on-pump CABG in the elderly population are still controversial. We investigated this issue in the UK National Audit database. METHOD We retrospectively analyzed all octogenarians undergoing nonemergency, isolated CABG from 1996 to 2019. Propensity score matching (PSM) was conducted to adjust for imbalance in the baseline characteristics between the off-pump and on-pump groups. Primary outcome was in-hospital mortality and postoperative cerebrovascular accidents. Secondary outcomes were bleeding requiring reoperation, deep sternal wound infection, and postoperative dialysis. RESULT A total of 6436 patients were included for analysis. No differences were observed between off- and on-pump group in-hospital mortality (4% vs. 3.8%, p = .89), return to theater rate (5.4% vs. 6.2%, p = .16) and incidence of deep sternal wound infection (1.1% vs. 1.6%, p = .34). However, octogenarian undergoing off-pump CABG were less likely to experience postoperative transient ischemic attack (TIA)/stroke (1.4% vs. 2.3%, p = .004) but more likely to require renal dialysis (4.8% vs. 3.5%, p = .03). CONCLUSION The data show similar in-hospital mortality in octogenarians regardless of the revascularization technique used. Off-pump when compared with on-pump CABG is associated with a lower incidence in postoperative neurological events but a higher need for renal dialysis.
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Affiliation(s)
- Jeremy Chan
- Bristol Heart InstituteUniversity of BristolBristolUK
| | | | | | - Tim Dong
- Bristol Heart InstituteUniversity of BristolBristolUK
| | - Ester Mikova
- Bristol Heart InstituteUniversity of BristolBristolUK
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LaPiano JB, Arnott SM, Napolitano MA, Holleran TJ, Sparks AD, Antevil JL, Trachiotis GD. Risk factors for cerebrovascular accident after isolated coronary artery bypass grafting in Veterans. J Card Surg 2022; 37:3084-3090. [PMID: 35822719 DOI: 10.1111/jocs.16751] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 05/20/2022] [Accepted: 06/04/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Cerebrovascular accident (CVA) after coronary artery bypass grafting (CABG) is a devastating complication. Patient comorbidities and intraoperative elements contribute to the risk of CVA. The aim of this study is to identify risk factors for CVA in Veterans undergoing CABG. METHODS Veterans undergoing isolated CABG from 2008 to 2019 were retrospectively identified using the Veterans Affairs Surgical Quality Improvement Program (VASQIP) database. Thirty-day postoperative outcomes were observed. Univariate analysis followed by multivariable logistic regression identified independent risk factors for postoperative CVA. Receiver operating characteristic diagnostics identified optimal inflection points between continuous risk factors and odds of CVA. RESULTS Twenty-eight thousand seven hundred fifty-seven patients met inclusion criteria. Incidence of CVA was 1.1% (310 cases). In multivariate analysis, preoperative cerebrovascular disease had the strongest association with postoperative CVA (adjusted odds ratio = 2.29; p < .001). There was an inverse relationship between CVA incidence and ejection fraction (EF), with EF of 35%-39% conferring a 2.11 times higher risk compared to EF >55% (p < .001). CVA incidence was not different in on-pump versus off-pump cases; however, after 104 min or more on bypass patients had a 55% greater adjusted odds of CVA (p < .001). Other risk factors included poor kidney function, prior myocardial infarction, and intra-aortic balloon pump use. CONCLUSION The risk of CVA after CABG is multifactorial and involves multiple organ systems, including cardiac disease, poor renal function, and cerebrovascular disease, which was the strongest contributing risk factor. Optimization of these comorbidities and time on bypass may help improve clinical outcomes and lower the risk of this devastating complication.
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Affiliation(s)
- Jessica B LaPiano
- Division of Cardiothoracic Surgery and Heart Center, Washington D. C. Veterans Affairs Medical Center and Heart Center, Washington, District of Columbia, USA.,Department of Surgery, MedStar Georgetown University Hospital, Washington, District of Columbia, USA
| | - Suzanne M Arnott
- Division of Cardiothoracic Surgery and Heart Center, Washington D. C. Veterans Affairs Medical Center and Heart Center, Washington, District of Columbia, USA.,Department of Surgery, George Washington University, Washington, District of Columbia, USA
| | - Michael A Napolitano
- Division of Cardiothoracic Surgery and Heart Center, Washington D. C. Veterans Affairs Medical Center and Heart Center, Washington, District of Columbia, USA.,Department of Surgery, George Washington University, Washington, District of Columbia, USA
| | - Timothy J Holleran
- Division of Cardiothoracic Surgery and Heart Center, Washington D. C. Veterans Affairs Medical Center and Heart Center, Washington, District of Columbia, USA.,Department of Surgery, MedStar Georgetown University Hospital, Washington, District of Columbia, USA
| | - Andrew D Sparks
- Department of Statistics, George Washington University, Washington, District of Columbia, USA
| | - Jared L Antevil
- Division of Cardiothoracic Surgery and Heart Center, Washington D. C. Veterans Affairs Medical Center and Heart Center, Washington, District of Columbia, USA
| | - Gregory D Trachiotis
- Division of Cardiothoracic Surgery and Heart Center, Washington D. C. Veterans Affairs Medical Center and Heart Center, Washington, District of Columbia, USA.,Department of Surgery, George Washington University, Washington, District of Columbia, USA
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Sun L, Zhou M, Ji Y, Wang X, Wang X. Off-pump versus on-pump coronary artery bypass grafting for octogenarians: A meta-analysis involving 146 372 patients. Clin Cardiol 2022; 45:331-341. [PMID: 35266173 PMCID: PMC9019872 DOI: 10.1002/clc.23794] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 01/10/2022] [Accepted: 01/27/2022] [Indexed: 01/10/2023] Open
Abstract
There is an ongoing debate concerning the optimal surgical option of myocardial revascularization for octogenarians. The current meta-analysis aimed to compare clinical outcomes following off-pump coronary artery bypass grafting (OPCABG) or conventional coronary artery bypass grafting (CCABG) in octogenarians. PubMed, Cochrane, Web of Science, and EMBASE databases were searched to identify eligible studies from inception to March 2021. The analysis was performed using STATA 15.1. A literature search yielded 18 retrospective studies involving 146 372 patients (OPCABG = 44 522 vs. CCABG = 101 850). Pooled analysis showed a strong trend toward reducing mortality risk in the OPCABG group (odds ratio: 0.75, 95% confidence interval: 0.56-1.00, p = .05). However, it did not reach statistical significance. The sensitive analysis demonstrated that OPCABG was less likely to cause death than CCABG. There were comparable data in myocardial infarction, renal failure, deep sternal wound infection, and hospital stays between the two groups, although the incidence of stroke, atrial fibrillation, prolonged ventilation, and reoperation for bleeding was significantly lower in the OPCAGB group. OPCABG may be an effective surgical strategy for myocardial revascularization, especially in reducing the incidence of postoperative stroke, atrial fibrillation, prolonged ventilation, and reoperation for bleeding.
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Affiliation(s)
- Lifu Sun
- Department of Cardiovascular SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Meijing Zhou
- Department of EndocrineThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Yumeng Ji
- Department of Cardiovascular SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Xufeng Wang
- Department of Cardiovascular SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Xiaowei Wang
- Department of Cardiovascular SurgeryThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
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Machado RJ, Saraiva FA, Mancio J, Sousa P, Cerqueira RJ, Barros AS, Lourenço AP, Leite-Moreira AF. A systematic review and meta-analysis of randomized controlled studies comparing off-pump versus on-pump coronary artery bypass grafting in the elderly. THE JOURNAL OF CARDIOVASCULAR SURGERY 2021; 63:60-68. [PMID: 34792312 DOI: 10.23736/s0021-9509.21.12012-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
AIM Comparison of short and mid-term outcomes between off-pump CABG (OPCAB) and on-pump CABG (ONCAB) in patients older than 65 throughout a meta-analysis of randomized clinical trials (RCTs). EVIDENCE ACQUISITION A literature search was conducted using 3 databases. RCTs reporting mortality outcomes of OPCAB versus ONCAB among the elderly were included. Data on myocardial infarction, stroke, re-revascularization, renal failure and composite endpoints after CABG were also collected. Random effects models were used to compute statistical combined measures and 95% confidence intervals (CI). EVIDENCE SYNTHESIS Five RCTs encompassing 6221 patients were included (3105 OPCAB and 3116 ONCAB). There were no significant differences on mid-term mortality (pooled HR: 1.02, 95%CI: 0.89-1.17, p=0.80) and composite endpoint incidence (pooled HR: 0.98, 95%CI: 0.88-1.09, p=0.72) between OPCAB and ONCAB. At 30-day, there were no differences in mortality, myocardial infarction, stroke and renal complications. The need for early re-revascularization was significantly higher in OPCAB (pooled OR: 3.22, 95%CI: 1.28-8.09, p=0.01), with a higher percentage of incomplete revascularization being reported for OPCAB in trials included in this pooled result (34% in OPCAB vs 29% in ONCAB, p<0.01). CONCLUSIONS Data from RCTs in elderly patients showed that OPCAB and ONCAB provide similar mid-term results. OPCAB was associated with a higher risk of early rerevascularization. As CABG on the elderly is still insufficiently explored, further RCTs, specifically designed targeting this population, are needed to establish a better CABG strategy for these patients.
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Affiliation(s)
- Rui J Machado
- Surgery and Physiology Department and Cardiovascular Research & Development Centre, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Francisca A Saraiva
- Surgery and Physiology Department and Cardiovascular Research & Development Centre, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Jennifer Mancio
- Intensive Care and Perioperative Medicine Department, Royal Brompton and Harefield & Guys and St. Thomas NHS Foundation Trust, London, UK
| | - Patrícia Sousa
- Surgery and Physiology Department and Cardiovascular Research & Development Centre, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Rui J Cerqueira
- Cardiothoracic Surgery Department, Centro Hospitalar Universitário São João, Porto, Portugal
| | - António S Barros
- Surgery and Physiology Department and Cardiovascular Research & Development Centre, Faculty of Medicine, University of Porto, Porto, Portugal
| | - André P Lourenço
- Anaesthesiology Department, Centro Hospitalar Universitário São João, Porto, Portugal
| | - Adelino F Leite-Moreira
- Surgery and Physiology Department and Cardiovascular Research & Development Centre, Faculty of Medicine, University of Porto, Porto, Portugal - .,Cardiothoracic Surgery Department, Centro Hospitalar Universitário São João, Porto, Portugal
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