1
|
Zhang S, Huang S, Tiemuerniyazi X, Song Y, Feng W. A Meta-Analysis of Early, Mid-term and Long-Term Mortality of On-Pump vs. Off-Pump in Redo Coronary Artery Bypass Surgery. Front Cardiovasc Med 2022; 9:869987. [PMID: 35548406 PMCID: PMC9081922 DOI: 10.3389/fcvm.2022.869987] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Accepted: 03/31/2022] [Indexed: 12/15/2022] Open
Abstract
We aimed to compare the early, mid-term, and long-term mortality between on-pump vs. off-pump redo coronary artery bypass grafting (CABG). We conducted a systematic search for studies comparing clinical outcomes of patients who underwent on-pump vs. off-pump redo CABG. We pooled the relevant studies quantitatively to compare the early (perioperative period, whether in hospital or within 30 days after discharge), mid-term (≥1 year and <5 years), and long-term (≥5 year) mortality of on-pump vs. off-pump redo CABG. A random-effect model was applied when there was high heterogeneity (I2 > 50%) between studies. Otherwise, a fixed-effect model was utilized. After systematic literature searching, 22 studies incorporating 5,197 individuals (3,215 in the on-pump group and 1,982 in the off-pump group) were identified. A pooled analysis demonstrated that compared with off-pump redo CABG, on-pump redo CABG was associated with higher early mortality (OR 2.11, 95%CI: 1.54-2.89, P < 0.00001). However, no significant difference was noted in mid-term mortality (OR 1.12, 95%CI: 0.57-2.22, P = 0.74) and long-term mortality (OR 1.12, 95%CI: 0.41-3.02, P = 0.83) between the two groups. In addition, the complete revascularization rate was higher in the on-pump group than the off-pump group (OR 2.61, 95%CI: 1.22-5.60, P = 0.01). In conclusion, the off-pump technique is a safe and efficient alternative to the on-pump technique, with early survival advantage and similar long-term mortality to the on-pump technique in the setting of redo CABG, especially in high-risk patients. Systematic Review Registration https://www.crd.york.ac.uk/PROSPERO/, identifier: CRD42021244721.
Collapse
Affiliation(s)
| | | | | | | | - Wei Feng
- Department of Cardiac Surgery, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| |
Collapse
|
2
|
Tzoumas A, Giannopoulos S, Kakargias F, Kokkinidis DG, Giannakoulas G, Faillace RT, Bakoyiannis C, Doulamis IP, Avgerinos DV. Repeat Coronary Artery Bypass Grafting: A Meta-Analysis of Off-Pump versus On-Pump Techniques in a Large Cohort of Patients. Heart Lung Circ 2021; 30:1281-1291. [PMID: 33810970 DOI: 10.1016/j.hlc.2021.02.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 02/03/2021] [Accepted: 02/08/2021] [Indexed: 12/17/2022]
Abstract
BACKGROUND Redo coronary artery bypass grafting (CABG) can be performed with either the off-pump (OPCAB) or the on-pump (ONCAB) technique. METHOD Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA), this meta-analysis compared the safety and efficacy of OPCAB versus ONCAB redo CABG. RESULTS Twenty-three (23) eligible studies were included (OPCAB, n=2,085; ONCAB, n=3,245). Off-pump CABG significantly reduced the risk of perioperative death (defined as in-hospital or 30-day death rate), myocardial infarction, atrial fibrillation, and acute kidney injury. The two treatment approaches were comparable regarding 30-day stroke and late all-cause mortality. CONCLUSIONS Off-pump redo CABG resulted in lower perioperative death and periprocedural complication rates. No difference was observed in perioperative stroke rates and long-term survival between the two techniques.
Collapse
Affiliation(s)
| | - Stefanos Giannopoulos
- Division of Cardiology, Rocky Mountain Regional VA Medical Center, University of Colorado, Denver, CO, USA
| | | | - Damianos G Kokkinidis
- Department of Medicine, Jacobi Medical Center, Albert Einstein College of Medicine, Bronx, NY, USA
| | - George Giannakoulas
- Department of Cardiology, Aristotle University of Thessaloniki, AHEPA Hospital, Thessaloniki, Greece
| | - Robert T Faillace
- Department of Medicine, Jacobi Medical Center, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Christos Bakoyiannis
- First Department of Surgery, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece
| | - Ilias P Doulamis
- Department of Cardiac Surgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA.
| | - Dimitrios V Avgerinos
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York Presbyterian, New York, NY, USA
| |
Collapse
|
3
|
Zhang P, Wang L, Zhai K, Huang J, Wang W, Ma Q, Liu D, Gao B, Li Y. Off-pump versus on-pump redo coronary artery bypass grafting: a systematic review and meta-analysis. Perfusion 2020; 36:724-736. [PMID: 33016239 DOI: 10.1177/0267659120960310] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Background: Redo coronary artery bypass grafting (redo CABG) is associated with increased mortality and morbidity. The aim of this study was to systematically evaluate the evidence comparing the outcomes of off-pump with on-pump redo CABG. Methods: Studies were systematically searched and identified using PubMed, EMBASE, the Cochrane Library, and the International Clinical Trials Registry Platform (ICTRP) by two researchers independently. The primary outcome was 30-day mortality, and the secondary outcomes were in-hospital mortality, post-operative complications, completeness of revascularization, blood transfusion rate, duration of mechanical ventilation, intensive care unit and hospital stays. Results: The 21 studies including 4,889 patients were enrolled in our meta-analysis. Compared with on-pump, the off-pump technique was associated with significantly reduced 30-day mortality (odds ratio [OR] = 0.43, 95% confidence interval [CI] = 0.26-0.72, p = 0.001). Moreover, a notably decreased in-hospital mortality (OR = 0.55, 95% CI = 0.39-0.76, p = 0.0004) and incidence of post-operative new-onset atrial fibrillation, myocardial infarction, acute kidney injury, low cardiac output state, blood transfusion rate (OR = 0.46, 95% CI = 0.35-0.60, p < 0.00001; OR = 0.54, 95% CI = 0.38-0.78, p = 0.0007; OR = 0.51, 95% CI = 0.37-0.70, p < 0.0001; OR = 0.31, 95% CI = 0.20-0.47, p < 0.00001; OR = 0.29, 95% CI = 0.14-0.61, p = 0.001) and significantly shortened duration of mechanical ventilation, intensive care unit and hospital stays (mean difference [MD] = −8.21 h, 95% CI = −11.74 to −4.68, p < 0.00001; MD = −0.77 d, 95% CI = −0.81 to −0.73, p < 0.00001; MD = −2.24 d, 95% CI = −3.17 to −1.32, p < 0.00001) could be observed when comparing the outcomes of off-pump with on-pump redo CABG. There was nonsignificant difference between off-pump and on-pump redo CABG in completeness of revascularization. Conclusion: In patients undergoing redo CABG surgery, the off-pump technique was associated with decreased mortality, less post-operative complications when compared to on-pump.
Collapse
Affiliation(s)
- Pengbin Zhang
- Department of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
- Laboratory of Extracorporeal Life Support, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - Liping Wang
- Department of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - Kerong Zhai
- Department of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
- Laboratory of Extracorporeal Life Support, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - Jian Huang
- Department of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
- Laboratory of Extracorporeal Life Support, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - Weifan Wang
- Department of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - Qi Ma
- Department of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - Debin Liu
- Department of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - Bingren Gao
- Department of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - Yongnan Li
- Department of Cardiac Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
- Laboratory of Extracorporeal Life Support, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| |
Collapse
|
4
|
Sepehripour AH, Harling L, Ashrafian H, Casula R, Athanasiou T. Does off-pump coronary revascularization confer superior organ protection in re-operative coronary artery surgery? A meta-analysis of observational studies. J Cardiothorac Surg 2014; 9:115. [PMID: 24961148 PMCID: PMC4083864 DOI: 10.1186/1749-8090-9-115] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2014] [Accepted: 06/16/2014] [Indexed: 12/04/2022] Open
Abstract
Off-pump coronary artery bypass surgery (OPCAB) has been hypothesised to be beneficial in the high-risk patient population undergoing re-operative coronary artery bypass graft surgery (CABG). In addition, this technique has been demonstrated to provide subtle benefits in end-organ function including heart, lungs and kidney. The aims of this study were to assess whether OPCAB is associated with a lower incidence of major adverse cardiovascular and cerebrovascular events (MACCE) and other adverse outcomes in re-operative coronary surgery. Twelve studies, incorporating 3471 patients were identified by systematic literature review. These were meta-analysed using random-effects modelling. Primary endpoints were MACCE and other adverse outcomes including myocardial infarction, stroke, renal dysfunction, low cardiac output state, respiratory failure and atrial fibrillation. A significantly lower incidence of myocardial infarction, stroke, renal dysfunction, low cardiac output state, respiratory failure and atrial fibrillation was observed with OPCAB (OR 0.58; 95% CI (confidence interval) [0.39-0.87]; OR 0.37; 95% CI [0.17-0.79]; OR 0.39; 95% CI [0.24-0.63]; OR 0.14; 95% CI [0.04-0.56]; OR 0.36; 95% CI [0.24-0.54]; OR 0.41; 95% CI [0.22-0.77] respectively). Sub-group analysis using sample size, matching score and quality score was consistent with and reflected these significant findings. Off-pump coronary artery bypass grafting reduces peri-operative and short-term major adverse outcomes in patients undergoing re-operative surgery. Consequently we conclude that OPCAB provides superior organ protection and a safer outcome profile in re-operative CABG.
Collapse
Affiliation(s)
- Amir H Sepehripour
- Department of Surgery and Cancer, 10th Floor QEQM Building, St Mary’s Hospital, Imperial College London, London W2 1NY, UK
| | - Leanne Harling
- Department of Surgery and Cancer, 10th Floor QEQM Building, St Mary’s Hospital, Imperial College London, London W2 1NY, UK
| | - Hutan Ashrafian
- Department of Surgery and Cancer, 10th Floor QEQM Building, St Mary’s Hospital, Imperial College London, London W2 1NY, UK
| | - Roberto Casula
- Department of Surgery and Cancer, 10th Floor QEQM Building, St Mary’s Hospital, Imperial College London, London W2 1NY, UK
| | - Thanos Athanasiou
- Department of Surgery and Cancer, 10th Floor QEQM Building, St Mary’s Hospital, Imperial College London, London W2 1NY, UK
| |
Collapse
|
5
|
Shin YR, Lee S, Joo HC, Youn YN, Kim JG, Yoo KJ. Early and Midterm Outcome of Redo Coronary Artery Bypass Grafting: On-Pump versus Off-Pump Bypass. THE KOREAN JOURNAL OF THORACIC AND CARDIOVASCULAR SURGERY 2014; 47:225-32. [PMID: 25207219 PMCID: PMC4157472 DOI: 10.5090/kjtcs.2014.47.3.225] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Revised: 10/15/2013] [Accepted: 10/16/2013] [Indexed: 11/16/2022]
Abstract
BACKGROUND Redo coronary artery bypass grafting (CABG) is still associated with increased morbidity and mortality as compared to the first-time operation. Further, the application of the off-pump technique to redo CABG is limited due to technical difficulties. The aim of this retrospective study was to analyze early and midterm results after redo CABG and compare the outcome of redo on-pump and off-pump CABG. METHODS From June 1996 to October 2011, elective redo CABG was performed in 32 patients. Mean age was 64.8 years (on pump 64.3 years vs. off pump 65.5 years; p=0.658), and 21 patients were male. Among these patients, 14 (43.8%) underwent on-pump CABG, and 18 (56.2%) underwent off-pump CABG. RESULTS Internal thoracic artery was used in 22 patients (68.8%), and total arterial revascularization was achieved in 17 patients (53.1%). The average number of distal anastomoses was 2.13, and the rate of incomplete revascularization was 43.8%. The rate of total arterial revascularization was higher in the off-pump group (14.3% vs. 83.3%, p<0.001), and the use of saphenous vein graft was more in the on-pump group (78.6% vs. 16.7%, p<0.001). Overall hospital mortality was 3.1% (n=1) and was comparable in both groups (on pump 7.1% vs. off pump 0%; p=0.249). Postoperative complications occurred in 9 patients (64.2%), and the rate of complications was high in the on-pump group without statistical significance (64.2% vs. 33.3%, p=0.082). The mean follow-up duration was 5.4 years, and overall survival at 10 years was 86.0%±10.5%. There was no significant difference in the 10-year survival rate between the two groups (79.6% vs. 100%, p=0.225). CONCLUSION Redo CABG can be safely performed with acceptable mortality. Redo off-pump coronary artery bypass is feasible with low mortality and morbidity, comparable target vessel bypass grafting, and long-term survival. The off-pump technique might be considered a safe option for redo CABG in high-risk patients.
Collapse
Affiliation(s)
- Yu Rim Shin
- Department of Thoracic and Cardiovascular Surgery, Yonsei Cardiovascular Center, Yonsei University College of Medicine, Korea
| | - Sak Lee
- Department of Thoracic and Cardiovascular Surgery, Yonsei Cardiovascular Center, Yonsei University College of Medicine, Korea
| | - Hyun Chel Joo
- Department of Thoracic and Cardiovascular Surgery, Yonsei Cardiovascular Center, Yonsei University College of Medicine, Korea
| | - Young-Nam Youn
- Department of Thoracic and Cardiovascular Surgery, Yonsei Cardiovascular Center, Yonsei University College of Medicine, Korea
| | - Jong Gun Kim
- Department of Thoracic and Cardiovascular Surgery, Yonsei Cardiovascular Center, Yonsei University College of Medicine, Korea
| | - Kyung-Jong Yoo
- Department of Thoracic and Cardiovascular Surgery, Yonsei Cardiovascular Center, Yonsei University College of Medicine, Korea
| |
Collapse
|
6
|
Clinical outcome and quality of life after reoperative CABG: off-pump versus on-pump - observational pilot study. J Cardiothorac Surg 2013; 8:66. [PMID: 23561396 PMCID: PMC3622626 DOI: 10.1186/1749-8090-8-66] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2012] [Accepted: 03/19/2013] [Indexed: 11/11/2022] Open
Abstract
Background Coronary artery bypass grafting (CABG) on cardiopulmonary bypass (CBP) is associated with significant morbidity and mortality. In high-risk patients, doomed for reoperation the adverse effects of CBP may be more striking. We evaluated the results of reoperative CABG (redo-CABG) by either off-pump (OPCAB) or on-pump (ONCAB). Clinical endpoints were perioperative myocardial infarction, mortality, survival and as the most striking difference between prior studies the quality of life (QoL). Methods We performed a prospective, non-randomized assessment for patients who underwent redo-CABG by redo-OPCAB (n = 40) or redo-ONCAB (n = 40) at our institution between January 2007 and December 2010. For evaluation of QoL the SF-36 health survey was used with self-administered assessment. Results During follow-up 37 of 40 patients were alive in the redo-OPCAB group versus 32 of 40 patients in the redo-ONCAB group (p < 0.05). The shorter operation time, less blood loss, fewer perioperative myocardial infarctions, the higher rate of totally arterial revascularisation and shorter intensive care stay were the significantly beneficial differences for patients in the redo-OPCAB group (p < 0.05). The 3-year survival rate was higher in the redo-OPCAB group with 81 ± 12% versus 63 ± 9%in the redo-ONCAB group. The quality of life survey did not reveal any significant differences between both groups. Conclusion In conclusion, with our present retrospective study, we could demonstrate the safety and efficacy of the redo-OPCAB technique with even higher 3-year survival rate. Both techniques seem to have similar impact on the outcome of patients.
Collapse
|
7
|
Sepehripour AH, Saso S, Harling L, Punjabi P, Ashrafian H, Athanasiou T. Does off-pump coronary revascularization reduce mortality in re-operative coronary artery surgery? A meta-analysis of observational studies. Perfusion 2013; 28:340-9. [PMID: 23520171 DOI: 10.1177/0267659113482173] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Re-operative coronary artery bypass grafting (CABG) is a challenging operation that is often performed in a high-risk patient group. Avoiding cardiopulmonary bypass (CPB) in these patients is hypothesised to be advantageous due to the reduced invasiveness and physiological stress of off-pump coronary artery bypass grafting (OPCAB). The aims of this study were to assess whether OPCAB may improve outcomes in patients undergoing re-operative CABG. METHODS Twelve studies, incorporating 3471 patients, were identified by systematic literature review. These were meta-analysed using random-effects modelling. Primary endpoints were 30-day and mid-term mortality. Secondary endpoints were completeness of revascularization, mean number of grafts per patient and the effect of intra-operative conversion on mortality. RESULTS A significantly lower rate of 30-day mortality was observed with OPCAB (OR 0.51, 95% CI [0.35, 0.74]), however, no difference was demonstrated in mid-term mortality. Significantly less complete revascularization and mean number of grafts per patient were observed in the OPCAB group. Meta-regression revealed no change in 30-day mortality when the effect of conversion from one technique to the other was assessed. CONCLUSIONS Off-pump techniques may reduce early mortality in selected patients undergoing re-operative CABG; however, this does not persist into mid-term follow-up. OPCAB may also lead to intra-operative conversion and, although this did not affect outcomes in this study, these results are constrained by the limited data available. Furthermore, OPCAB may increase target vessel revascularization and, consequently, incomplete revascularization which, whilst not reflected in the short-term outcomes, requires longer-term follow-up in order to be fully assessed.
Collapse
Affiliation(s)
- A H Sepehripour
- Department of Surgery and Cancer, Imperial College London, UK
| | | | | | | | | | | |
Collapse
|
8
|
Abstract
Whether to use or not use cardiopulmonary bypass-cardioplegic arrest to perform coronary artery bypass surgery is the main controversy presently facing our surgical specialty. The reported clinical outcomes are mainly retrospective and highly debatable for conclusiveness regarding the benefits of off-pump surgery. As more centers and larger patient cohorts are analyzed and reported, particularly over the last 2 years, off-pump surgery appears to provide significantly improved outcomes with decreased bleeding and transfusion requirements, less myocardial enzyme release, less ventilatory time, and decreased hospital stay and costs. Reported off-pump benefits for the major outcomes of operative mortality and stroke are encouraging, but less conclusive. From experienced centers, early off-pump angiographic graft patency has been comparable to previously published conventional results. High-risk, elderly patients may benefit the greatest from off-pump surgery. Although in relative technical infancy, off-pump coronary artery bypass grafting has demonstrated enough benefit outcomes that it is no longer an experimental procedure, but a valid surgical revascularization method requiring further investigation and continued usage.
Collapse
Affiliation(s)
- Mark W Connolly
- Department of Cardiovascular and Thoracic Surgery, Cathedral Heart and Vascular Institute, St. Michael's Medical Center, 268 Dr. Martin Luther King, Jr. Blvd., Newark, NJ 07102, USA
| |
Collapse
|