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Marques Antunes M, Nunes-Ferreira A, Duarte GS, Gouveia E Melo R, Sucena Rodrigues B, Guerra NC, Nobre A, Pinto FJ, Costa J, Caldeira D. Preoperative statin therapy for adults undergoing cardiac surgery. Cochrane Database Syst Rev 2024; 7:CD008493. [PMID: 39037762 PMCID: PMC11262559 DOI: 10.1002/14651858.cd008493.pub5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/23/2024]
Abstract
BACKGROUND Despite significant advances in surgical techniques and perioperative care, people undertaking cardiac surgery due to cardiovascular disease are more prone to the development of postoperative adverse events. Statins (5-hydroxy-3-methylglutaryl-co-enzyme A (HMG-CoA) reductase inhibitors) are well-known for their anti-inflammatory and antioxidant effects and are established for primary and secondary prevention of coronary artery disease. In addition, statins are thought to have clinical benefits in perioperative outcomes in people undergoing cardiac surgery. This review is an update of a review that was first published in 2012 and updated in 2015. OBJECTIVES To evaluate the benefits and harms of preoperative statin therapy in adults undergoing cardiac surgery compared to standard of care or placebo. SEARCH METHODS We performed a search of the Cochrane Central Register of Controlled Trials (CENTRAL) (Issue 9, 2023), Ovid MEDLINE (1980 to 14 September 2023), and Ovid Embase (1980 to 2023 (week 36)). We applied no language restrictions. SELECTION CRITERIA We included all randomised controlled trials (RCTs) comparing any statin treatment before cardiac surgery, for any given duration and dose, versus no preoperative statin therapy (standard of care) or placebo. We excluded trials without a registered trial protocol and trials without approval by an institutional ethics committee. DATA COLLECTION AND ANALYSIS We used standard Cochrane methodology. Primary outcomes were short-term mortality and major adverse cardiovascular events. Secondary outcomes were myocardial infarction, atrial fibrillation, stroke, renal failure, length of intensive care unit (ICU) stay, length of hospital stay and adverse effects related to statin therapy. We reported effect measures as risk ratios (RRs) or mean differences (MDs) with corresponding 95% confidence intervals (CIs). We used the RoB 1 tool to assess the risk of bias in included trials, and GRADE to assess the certainty of the evidence. MAIN RESULTS We identified eight RCTs (five new to this review) including 5592 participants. Pooled analysis showed that statin treatment before surgery may result in little to no difference in the risk of postoperative short-term mortality (RR 1.36, 95% CI 0.72 to 2.59; I2 = 0%; 6 RCTs, 5260 participants; low-certainty evidence; note 2 RCTs reported 0 events in both groups so RR calculated from 4 RCTs with 5143 participants). We are very uncertain about the effect of statins on major adverse cardiovascular events (RR 0.93, 95% CI 0.77 to 1.13; 1 RCT, 2406 participants; very low-certainty evidence). Statins probably result in little to no difference in myocardial infarction (RR 0.88, 95% CI 0.73 to 1.06; I2 = 0%; 5 RCTs, 4645 participants; moderate-certainty evidence), may result in little to no difference in atrial fibrillation (RR 0.87, 95% CI 0.72 to 1.05; I2 = 60%; 8 RCTs, 5592 participants; low-certainty evidence), and may result in little to no difference in stroke (RR 1.47, 95% CI 0.90 to 2.40; I2 = 0%; 4 RCTs, 5143 participants; low-certainty evidence). We are very uncertain about the effect of statins on renal failure (RR 1.04, 95% CI 0.80 to 1.34; I2 = 57%; 4 RCTs, 4728 participants; very low-certainty evidence). Additionally, statins probably result in little to no difference in length of ICU stay (MD 1.40 hours, 95% CI -1.62 to 4.41; I2 = 43%; 3 RCTs, 4528 participants; moderate-certainty evidence) and overall hospital stay (MD -0.31 days, 95% CI -0.64 to 0.03; I2 = 84%; 5 RCTs, 4788 participants; moderate-certainty evidence). No study had any individual risk of bias domain classified as high. However, two studies were at high risk of bias overall given the classification of unclear risk of bias in three domains. AUTHORS' CONCLUSIONS In this updated Cochrane review, we found no evidence that statin use in the perioperative period of elective cardiac surgery was associated with any clinical benefit or worsening, when compared with placebo or standard of care. Compared with placebo or standard of care, statin use probably results in little to no difference in MIs, length of ICU stay and overall hospital stay; and may make little to no difference to mortality, atrial fibrillation and stroke. We are very uncertain about the effects of statins on major harmful cardiac events and renal failure. The certainty of the evidence validating this finding varied from moderate to very low, depending on the outcome. Future trials should focus on assessing the impact of statin therapy on mortality and major adverse cardiovascular events.
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Affiliation(s)
- Miguel Marques Antunes
- Centro Cardiovascular da Universidade de Lisboa - CCUL@RISE, Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal
- Department of Cardiology, Hospital de Santa Marta, Centro Hospitalar Universitário Lisboa Central (CHULC), Centro Clínico Académico de Lisboa (CCAL), Lisbon, Portugal
| | - Afonso Nunes-Ferreira
- Department of Cardiology/Heart and Vessels, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte (CHULN), CAML, CCUL@RISE, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Gonçalo S Duarte
- Laboratory of Clinical Pharmacology and Therapeutics, Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal
- Hospital da Luz Lisboa, Lisbon, Portugal
| | - Ryan Gouveia E Melo
- Centro Cardiovascular da Universidade de Lisboa - CCUL@RISE, Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal
- Department of Vascular Surgery, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte (CHULN), CAML, CCUL@RISE, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal, Lisbon, Portugal
| | | | - Nuno C Guerra
- Department of Cardiothoracic Surgery, Hospital Universitário de Santa Maria (CHLN), CAML, Centro Cardiovascular da Universidade de Lisboa - CCUL@RISE, Lisbon, Portugal
| | - Angelo Nobre
- Department of Cardiothoracic Surgery, Hospital Universitário de Santa Maria (CHLN), CAML, Centro Cardiovascular da Universidade de Lisboa - CCUL@RISE, Lisbon, Portugal
| | - Fausto J Pinto
- Department of Cardiology/Heart and Vessels, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte (CHULN), CAML, CCUL@RISE, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - João Costa
- Laboratory of Clinical Pharmacology and Therapeutics, Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal
| | - Daniel Caldeira
- Department of Cardiology/Heart and Vessels, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte (CHULN), CAML, CCUL@RISE, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
- Laboratório de Farmacologia Clínica e Terapêutica / Centro Cardiovascular da Universidade de Lisboa - CCUL@RISE / CEMBE - Centro de Estudos de Medicina Baseada na Evidência, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
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Abbasciano RG, Tomassini S, Roman MA, Rizzello A, Pathak S, Ramzi J, Lucarelli C, Layton G, Butt A, Lai F, Kumar T, Wozniak MJ, Murphy GJ. Effects of interventions targeting the systemic inflammatory response to cardiac surgery on clinical outcomes in adults. Cochrane Database Syst Rev 2023; 10:CD013584. [PMID: 37873947 PMCID: PMC10594589 DOI: 10.1002/14651858.cd013584.pub2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
BACKGROUND Organ injury is a common and severe complication of cardiac surgery that contributes to the majority of deaths. There are no effective treatment or prevention strategies. It has been suggested that innate immune system activation may have a causal role in organ injury. A wide range of organ protection interventions targeting the innate immune response have been evaluated in randomised controlled trials (RCTs) in adult cardiac surgery patients, with inconsistent results in terms of effectiveness. OBJECTIVES The aim of the review was to summarise the results of RCTs of organ protection interventions targeting the innate immune response in adult cardiac surgery. The review considered whether the interventions had a treatment effect on inflammation, important clinical outcomes, or both. SEARCH METHODS CENTRAL, MEDLINE, Embase, conference proceedings and two trial registers were searched on October 2022 together with reference checking to identify additional studies. SELECTION CRITERIA RCTs comparing organ protection interventions targeting the innate immune response versus placebo or no treatment in adult patients undergoing cardiac surgery where the treatment effect on innate immune activation and on clinical outcomes of interest were reported. DATA COLLECTION AND ANALYSIS Searches, study selection, quality assessment, and data extractions were performed independently by pairs of authors. The primary inflammation outcomes were peak IL-6 and IL-8 concentrations in blood post-surgery. The primary clinical outcome was in-hospital or 30-day mortality. Treatment effects were expressed as risk ratios (RR) and standardised mean difference (SMD) with 95% confidence intervals (CI). Meta-analyses were performed using random effects models, and heterogeneity was assessed using I2. MAIN RESULTS A total of 40,255 participants from 328 RCTs were included in the synthesis. The effects of treatments on IL-6 (SMD -0.77, 95% CI -0.97 to -0.58, I2 = 92%) and IL-8 (SMD -0.92, 95% CI -1.20 to -0.65, I2 = 91%) were unclear due to heterogeneity. Heterogeneity for inflammation outcomes persisted across multiple sensitivity and moderator analyses. The pooled treatment effect for in-hospital or 30-day mortality was RR 0.78, 95% CI 0.68 to 0.91, I2 = 0%, suggesting a significant clinical benefit. There was little or no treatment effect on mortality when analyses were restricted to studies at low risk of bias. Post hoc analyses failed to demonstrate consistent treatment effects on inflammation and clinical outcomes. Levels of certainty for pooled treatment effects on the primary outcomes were very low. AUTHORS' CONCLUSIONS A systematic review of RCTs of organ protection interventions targeting innate immune system activation did not resolve uncertainty as to the effectiveness of these treatments, or the role of innate immunity in organ injury following cardiac surgery.
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Affiliation(s)
| | | | - Marius A Roman
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - Angelica Rizzello
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - Suraj Pathak
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - Joussi Ramzi
- Leicester Medical School, University of Leicester, Leicester, UK
| | - Carla Lucarelli
- Department of Cardiac Surgery, University of Verona, Verona, Italy
| | - Georgia Layton
- University Hospitals of Leicester NHS Trust, Leicester, UK
| | - Ayesha Butt
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - Florence Lai
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - Tracy Kumar
- Leicester Clinical Trials Unit, University of Leicester, Leicester, UK
| | - Marcin J Wozniak
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - Gavin J Murphy
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
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Kaushik A, Kapoor A, Agarwal SK, Pande S, Tewari P, Majumdar G, Sinha A, Kashyap S, Khanna R, Kumar S, Garg N, Tewari S, Goel P. Statin reload before off-pump coronary artery bypass graft: Effect on biomarker release kinetics. Ann Card Anaesth 2021; 23:27-33. [PMID: 31929243 PMCID: PMC7034209 DOI: 10.4103/aca.aca_133_18] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Objectives Statins confer protection from ischemia/reperfusion through various pathways including pleiotropic mechanisms. Following chronic administration, activation of intrinsic cellular mechanisms causes attenuation of these pleiotropic effects. Methods Since coronary artery bypass surgery (CABG) represents a reversible ischemia-reperfusion sequence, we assessed if statin reload is effective in patients undergoing off-pump CABG (n = 100) in limiting myocardial injury. Patients received loading dose of rosuvastatin (40 mg initiated 7 days before surgery) while nonloaded patients continued whatever statin dose they were receiving and served as controls. Cardiac biomarkers (Troponin-I, creatine kinase muscle/brain [CK-MB], and B-type natriuretic peptide [BNP]) were measured at 8, 24, and 48 h postoperatively. The primary end-point was the extent of perioperative myocardial injury (area under the curve [AUC]: AUC of each biomarker). Results Despite similar baseline levels, all biomarkers at 8, 24, and 48 h were significantly lower in the loaded group. The AUC for each biomarker was also significantly lower in the loaded group (cTnI 37.96 vs. 70.12 ng. hr/ml, CK-MB 229.64 vs. 347.04 ng. hr/ml, and BNP 5257.56 vs. 15606.68 pg. hr/ml, all P < 0.001). Delta cTnI (change from baseline to peak level) (1.00 ± 1.34 vs. 2.25 ± 2.59), delta CK-MB (4.54 ± 5.89 vs. 10.68 ± 9.95), and delta BNP (120.41 ± 172.48 vs. 449.23 ± 790.95) all P < 0.001 were also significantly lower in the loaded group. Those loaded with rosuvastatin had lower inotrope duration (22.9 ± 23.33 vs. 31.26 ± 25.39 h, P = 0.04) and ventilator support time (16.94 ± 6.78 vs. 23.8 ± 20.53 h, P = 0.03). Conclusion In patients undergoing off-pump CABG, statin reload can "recapture" cardioprotection in patients already on statins with favorable effect on release kinetics of biomarkers and postoperative outcomes.
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Affiliation(s)
- Atul Kaushik
- Department of Cardiology, Sanjay Gandhi PGIMS, Lucknow, Uttar Pradesh, India
| | - Aditya Kapoor
- Department of Cardiology, Sanjay Gandhi PGIMS, Lucknow, Uttar Pradesh, India
| | - Surendra K Agarwal
- Department of Cardiovascular and Thoracic Surgery, Sanjay Gandhi PGIMS, Lucknow, Uttar Pradesh, India
| | - Shantanu Pande
- Department of Cardiovascular and Thoracic Surgery, Sanjay Gandhi PGIMS, Lucknow, Uttar Pradesh, India
| | - Prabhat Tewari
- Department of Cardiac Anesthesia, Sanjay Gandhi PGIMS, Lucknow, Uttar Pradesh, India
| | - Gauranga Majumdar
- Department of Cardiovascular and Thoracic Surgery, Sanjay Gandhi PGIMS, Lucknow, Uttar Pradesh, India
| | - Archana Sinha
- Department of Cardiology, Sanjay Gandhi PGIMS, Lucknow, Uttar Pradesh, India
| | - Shiridhar Kashyap
- Department of Cardiology, Sanjay Gandhi PGIMS, Lucknow, Uttar Pradesh, India
| | - Roopali Khanna
- Department of Cardiology, Sanjay Gandhi PGIMS, Lucknow, Uttar Pradesh, India
| | - Sudeep Kumar
- Department of Cardiology, Sanjay Gandhi PGIMS, Lucknow, Uttar Pradesh, India
| | - Naveen Garg
- Department of Cardiology, Sanjay Gandhi PGIMS, Lucknow, Uttar Pradesh, India
| | - Satyendra Tewari
- Department of Cardiovascular and Thoracic Surgery, Sanjay Gandhi PGIMS, Lucknow, Uttar Pradesh, India
| | - Pravin Goel
- Department of Cardiac Anesthesia, Sanjay Gandhi PGIMS, Lucknow, Uttar Pradesh, India
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Bastani M, Khosravi MB, Shafa M, Azemati S, Maghsoodi B, Asadpour E. Evaluation of high-dose atorvastatin pretreatment influence in patients preconditioning of post coronary artery bypass graft surgery: A prospective triple blind randomized clinical trial. Ann Card Anaesth 2021; 24:209-216. [PMID: 33884978 PMCID: PMC8253041 DOI: 10.4103/aca.aca_34_19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Context Atorvastatin is considered as lipid reductive drugs with anti-inflammatory and pleotherapic effects in coronary artery bypass graph (CABG). Aim This study is conducted to evaluate the effects of atorvastatin in CABG. Setting and Design Patients with a coronary bypass graph procedure in Nemazee hospital in Shiraz were divided into two 50-groups receiving high-dose (80 mg) and low-dose (20 mg) atorvastatin. Materials and Methods Troponin I, creatinine kinase-MB (CK-MB), atrial fibrillation (AF) after CABG, duration of mechanical ventilation, inotrope duration of consumption, blood sugar profile, liver and renal function, death during 30 days of CABG, MACE (major advance cardiac events) during admission in ICU, and 1 month follow up were surveyed. Statistical Analysis Collected data were analyzed by independent and paired t-test and Chi square. Results AST was increased, ALT, ALK-P after CABG were decreased, and urine volume in the second day of admission in ICU was increased in the high-dose group. There was an increase and following decrease in blood sugar of patients in the high-dose after CABG. An inflammatory marker after CABG was raised in both groups, ck-mb had an increase, and then followed by a reduction. Troporin had no significant differences between groups. Patients with high-dose atorvastatin had better glomerular filtration rate and renal performance. Along with decreasing AF in the case group, hemodynamics' disorder reduced and there was less bleeding. Conclusion According to the above, it seems that a short-time prescription of high dose of atorvastatin in CABG can lead to better renal function, decreasing of arrhythmia and AF.
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Affiliation(s)
- Misagh Bastani
- Anesthesiology and Critical Care Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Bagher Khosravi
- Anesthesiology and Critical Care Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Masih Shafa
- Department of Cardiac Surgery, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Simin Azemati
- Anesthesiology and Critical Care Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Behzad Maghsoodi
- Anesthesiology and Critical Care Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Elham Asadpour
- Anesthesiology and Critical Care Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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Putzu A, de Carvalho E Silva CMPD, de Almeida JP, Belletti A, Cassina T, Landoni G, Hajjar LA. Perioperative statin therapy in cardiac and non-cardiac surgery: a systematic review and meta-analysis of randomized controlled trials. Ann Intensive Care 2018; 8:95. [PMID: 30264290 PMCID: PMC6160380 DOI: 10.1186/s13613-018-0441-3] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 09/18/2018] [Indexed: 01/01/2023] Open
Abstract
Background The effects of perioperative statin therapy on clinical outcome after cardiac or non-cardiac surgery are controversial. We aimed to assess the association between perioperative statin therapy and postoperative outcome. Methods Electronic databases were searched up to May 1, 2018, for randomized controlled trials of perioperative statin therapy versus placebo or no treatment in adult cardiac or non-cardiac surgery. Postoperative outcomes were: myocardial infarction, stroke, acute kidney injury (AKI), and mortality. We calculated risk ratio (RR) or odds ratio (OR) and 95% confidence interval (CI) using fixed-effects meta-analyses. We performed meta-regression and subgroup analyses to assess the possible influence of statin therapy regimen on clinical outcomes and trial sequential analysis to evaluate the risk of random errors and futility. Results We included data from 35 RCTs involving 8200 patients. Perioperative statin therapy was associated with lower incidence of postoperative myocardial infarction in non-cardiac surgery (OR = 0.44 [95% CI 0.30–0.64], p < 0.0001), but not in cardiac surgery (OR = 0.93 [95% CI 0.70–1.24], p = 0.61) (psubgroup = 0.002). Higher incidence of AKI was present in cardiac surgery patients receiving perioperative statins (RR = 1.15 [95% CI 1.00–1.31], p = 0.05), nonetheless not in non-cardiac surgery (RR = 1.52 [95% CI 0.71–3.26], p = 0.28) (psubgroup = 0.47). No difference in postoperative stroke and mortality was present in either cardiac or non-cardiac surgery. However, low risk of bias trials performed in cardiac surgery showed a higher mortality with statins versus placebo (OR = 3.71 [95% CI 1.03–13.34], p = 0.04). Subgroup and meta-regression analyses failed to find possible relationships between length of statin regimens and clinical outcomes. Trial sequential analysis suggested no firm conclusions on the topic. Conclusions Perioperative statins appear to be protective against postoperative myocardial infarction in non-cardiac surgery and associated with higher AKI in cardiac surgery. Possible positive or even negative effects on mortality could not be excluded and merits further investigations. Currently, no randomized evidence supports the systematic administration of statins in surgical patients. Electronic supplementary material The online version of this article (10.1186/s13613-018-0441-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Alessandro Putzu
- Division of Anesthesiology, Department of Anesthesiology, Pharmacology and Intensive Care Medicine, Geneva University Hospitals, Geneva, Switzerland
| | | | - Juliano Pinheiro de Almeida
- Division of Anesthesia and Intensive Care, InCor, Instituto do Cancer, Universidade de Sao Paulo, São Paulo, Brazil
| | - Alessandro Belletti
- Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Tiziano Cassina
- Department of Cardiovascular Anesthesia and Intensive Care, Cardiocentro Ticino, Lugano, Switzerland
| | - Giovanni Landoni
- Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy. .,Vita-Salute San Raffaele University, Milan, Italy.
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Han X, Zhang Y, Yin L, Zhang L, Wang Y, Zhang H, Li B. Statin in the treatment of patients with myocardial infarction: A meta-analysis. Medicine (Baltimore) 2018; 97:e0167. [PMID: 29561426 PMCID: PMC5895306 DOI: 10.1097/md.0000000000010167] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
The purpose of this meta-analysis is to investigate whether statin is a key therapy for myocardial infarction (MI) by comparing all randomized controlled trials that appraised the effects of statin on risk of MI.Pubmed, Embase, and Medline databases (up to December 2016) were used to search all related articles. Using the data from 18 available publications, we examined the efficacy in treating or reducing the risk of MI by using random-effects models of odds ratio (OR) comparing the highest with the lowest category.Statins have demonstrated efficacy in treating or reducing the risk of MI (OR = 0.73, 95% confidence interval = 0.58-0.93, P = .010).This meta-analysis suggests that statin have light efficacy in treating or reducing the risk of MI patients.
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Li H, Lin YL, Diao SL, Ma BX, Liu XL. Does short preoperative statin therapy prevent infectious complications in adults undergoing cardiac or non-cardiac surgery? A meta-analysis of 5 randomized placebo-controlled trials. Saudi Med J 2017; 37:492-7. [PMID: 27146610 PMCID: PMC4880647 DOI: 10.15537/smj.2016.5.13733] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Objectives: To evaluate the effect of preoperative statin therapy on the incidence of postoperative infection. Methods: This systematic review of the literature was carried out in August 2015. Studies were retrieved via PubMed, Embase, and the Cochrane Library (1980 to 2015), and the reference files were limited to English-language articles. We used a standardized protocol, and a meta-analysis was performed for data abstraction. Results: Five studies comprising 1,362 patients qualified for the analysis. The incidence of postoperative infections in the statin group (1.1%) was not significantly lower than that in the placebo group (2.4%), with a risk ratio (RR) of 0.56 (95% confidence interval [CI] 0.24-1.33, p=0.19). Patients of 3 studies underwent cardiac surgery. The aggregated results of these studies failed to show significant differences in postoperative infection when a fixed effects model was used (RR: 0.39; 95% CI: 0.08-1.97, p=0.26]. Conclusions: We failed to find sufficient evidence to support the association between statin use and postoperative infectious complications. The absence of any evidence for a beneficial effect in available randomized trials reduces the likelihood of a causal effect as reported in observational studies.
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Affiliation(s)
- Hua Li
- Department of Cardiology, Affiliated Hospital of Binzhou Medical University, Binzhou, Shandong Province, China. E-mail.
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Putzu A, Capelli B, Belletti A, Cassina T, Ferrari E, Gallo M, Casso G, Landoni G. Perioperative statin therapy in cardiac surgery: a meta-analysis of randomized controlled trials. Crit Care 2016; 20:395. [PMID: 27919293 PMCID: PMC5139027 DOI: 10.1186/s13054-016-1560-6] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Accepted: 11/07/2016] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Several studies suggest beneficial effects of perioperative statin therapy on postoperative outcome after cardiac surgery. However, recent randomized controlled trials (RCTs) show potential detrimental effects. The objective of this systematic review is to examine the association between perioperative statin therapy and clinical outcomes in cardiac surgery patients. METHODS Electronic databases were searched up to 1 November 2016 for RCTs of preoperative statin therapy versus placebo or no treatment in adult cardiac surgery. Postoperative outcomes were acute kidney injury, atrial fibrillation, myocardial infarction, stroke, infections, and mortality. We calculated odds ratios (ORs) and 95% confidence intervals (CIs) using fixed-effects meta-analyses. Primary analysis was restricted to trials with low risk of bias according to Cochrane methodology, and sensitivity analyses examined whether the risk of bias of included studies was associated with different results. We performed trial sequential analysis (TSA) to test the strength of the results. RESULTS We included data from 23 RCTs involving 5102 patients. Meta-analysis of trials with low risk of bias showed that statin therapy was associated with an increase in acute kidney injury (314 of 1318 (23.82%) with statins versus 262 of 1319 (19.86%) with placebo; OR 1.26 (95%CI 1.05 to 1.52); p = 0.01); these results were supported by TSA. No difference in postoperative atrial fibrillation, myocardial infarction, stroke, infections, or mortality was present. On sensitivity analysis, statin therapy was associated with a slight increase in hospital mortality. Meta-analysis including also trials with high or unclear risk of bias showed no beneficial effects of statin therapy on any postoperative outcomes. CONCLUSIONS There is no evidence that statin therapy in the days prior to cardiac surgery is beneficial for patients' outcomes. Particularly, statins are not protective against postoperative atrial fibrillation, myocardial infarction, stroke, or infections. Statins are associated with a possible increased risk of acute kidney injury and a detrimental effect on hospital survival could not be excluded. Future RCTs should further evaluate the safety profile of this therapy in relation to patients' outcomes and assess the more appropriate time point for discontinuation of statins before cardiac surgery.
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Affiliation(s)
- Alessandro Putzu
- Department of Cardiovascular Anesthesia and Intensive Care, Cardiocentro Ticino, Via Tesserete 48, Lugano, Switzerland
| | - Bruno Capelli
- Department of Cardiovascular Anesthesia and Intensive Care, Cardiocentro Ticino, Via Tesserete 48, Lugano, Switzerland
| | - Alessandro Belletti
- Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, Milano, Italy
| | - Tiziano Cassina
- Department of Cardiovascular Anesthesia and Intensive Care, Cardiocentro Ticino, Via Tesserete 48, Lugano, Switzerland
| | - Enrico Ferrari
- Department of Cardiac Surgery, Cardiocentro Ticino, Via Tesserete 48, Lugano, Switzerland
| | - Michele Gallo
- Department of Cardiac Surgery, Cardiocentro Ticino, Via Tesserete 48, Lugano, Switzerland
| | - Gabriele Casso
- Department of Cardiovascular Anesthesia and Intensive Care, Cardiocentro Ticino, Via Tesserete 48, Lugano, Switzerland
| | - Giovanni Landoni
- Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, Milano, Italy
- Vita-Salute San Raffaele University, Via Olgettina 58, Milano, Italy
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