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Elahimanesh M, Shokri N, Mahdinia E, Mohammadi P, Parvaz N, Najafi M. Differential gene expression patterns in ST-elevation Myocardial Infarction and Non-ST-elevation Myocardial Infarction. Sci Rep 2024; 14:3424. [PMID: 38341440 PMCID: PMC10858964 DOI: 10.1038/s41598-024-54086-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 02/08/2024] [Indexed: 02/12/2024] Open
Abstract
The ST-elevation Myocardial Infarction (STEMI) and Non-ST-elevation Myocardial Infarction (NSTEMI) might occur because of coronary artery stenosis. The gene biomarkers apply to the clinical diagnosis and therapeutic decisions in Myocardial Infarction. The aim of this study was to introduce, enrich and estimate timely the blood gene profiles based on the high-throughput data for the molecular distinction of STEMI and NSTEMI. The text mining data (50 genes) annotated with DisGeNET data (144 genes) were merged with the GEO gene expression data (5 datasets) using R software. Then, the STEMI and NSTEMI networks were primarily created using the STRING server, and improved using the Cytoscape software. The high-score genes were enriched using the KEGG signaling pathways and Gene Ontology (GO). Furthermore, the genes were categorized to determine the NSTEMI and STEMI gene profiles. The time cut-off points were identified statistically by monitoring the gene profiles up to 30 days after Myocardial Infarction (MI). The gene heatmaps were clearly created for the STEMI (high-fold genes 69, low-fold genes 45) and NSTEMI (high-fold genes 68, low-fold genes 36). The STEMI and NSTEMI networks suggested the high-score gene profiles. Furthermore, the gene enrichment suggested the different biological conditions for STEMI and NSTEMI. The time cut-off points for the NSTEMI (4 genes) and STEMI (13 genes) gene profiles were established up to three days after Myocardial Infarction. The study showed the different pathophysiologic conditions for STEMI and NSTEMI. Furthermore, the high-score gene profiles are suggested to measure up to 3 days after MI to distinguish the STEMI and NSTEMI.
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Affiliation(s)
- Mohammad Elahimanesh
- Clinical Biochemistry Department, Faculty of Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Nafiseh Shokri
- Clinical Biochemistry Department, Faculty of Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Elmira Mahdinia
- Clinical Biochemistry Department, Faculty of Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Payam Mohammadi
- Clinical Biochemistry Department, Faculty of Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Najmeh Parvaz
- Clinical Biochemistry Department, Faculty of Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Najafi
- Clinical Biochemistry Department, Faculty of Medical Sciences, Iran University of Medical Sciences, Tehran, Iran.
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran.
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Wu Z, Meng P, Guo Y, You W, Wu X, Ye F. Prolonged infusion of bivalirudin after elective percutaneous coronary intervention protects against procedural myocardial injury (a COBER study)-a randomized trial. Sci Rep 2023; 13:6667. [PMID: 37095298 PMCID: PMC10126106 DOI: 10.1038/s41598-023-34008-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 04/22/2023] [Indexed: 04/26/2023] Open
Abstract
Procedural myocardial injury (PMI), which is the most common complication of elective percutaneous coronary intervention (ePCI), is associated with future adverse cardiac events. In this randomized pilot trial, we assessed the effects of prolonged use of the anti-coagulant bivalirudin on PMI after ePCI. Patients undergoing ePCI were randomized into the following two groups: the bivalirudin use during operation group (BUDO, 0.75 mg/kg bolus plus 1.75 mg/kg/h) and the bivalirudin use during and after operation for 4 h (BUDAO, 0.75 mg/kg bolus plus 1.75 mg/kg/h). Blood samples were collected before and 24 h after ePCI (per 8 h). The primary outcome, PMI, was defined as an increase in post-ePCI cardiac troponin I (cTnI) levels of > 1 × 99th% upper reference limit (URL) when the pre-PCI cTnI was normal or a rise in cTnI of > 20% of the baseline value when it was above the 99th percentile URL, but it was stable or falling. Major PMI (MPMI) was defined as a post-ePCI cTnI increase of > 5 × 99th% URL. A total of 330 patients were included (n = 165 per group). The incidences of PMI and MPMI were not significantly higher in the BUDO group than in the BUDAO group (PMI: 115 [69.70%] vs. 102 [61.82%], P = 0.164; MPMI: 81 [49.09%] vs. 70 [42.42%], P = 0.269). However, the absolute change in cTnI levels (calculated as the peak value 24 h post-PCI minus the pre-PCI value) was notably larger in the BUDO group (0.13 [0.03, 1.95]) than in the BUDAO group (0.07 [0.01, 0.61]) (P = 0.045). Moreover, the incidence of bleeding events was similar between the two groups (BUDO: 0 [0.00%]; BUDAO: 2 [1.21%], P = 0.498). Prolonged infusion of bivalirudin for 4 h after ePCI reduces PMI severity without increasing the risk of bleeding.ClinicalTrials.gov.Number: NCT04120961, 09/10/2019.
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Affiliation(s)
- Zhiming Wu
- Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Rd, Nanjing, 210006, China
| | - Peina Meng
- Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Rd, Nanjing, 210006, China
| | - Yajie Guo
- Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Rd, Nanjing, 210006, China
| | - Wei You
- Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Rd, Nanjing, 210006, China.
| | - Xiangqi Wu
- Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Rd, Nanjing, 210006, China.
| | - Fei Ye
- Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Rd, Nanjing, 210006, China.
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Smith HO, Delic L. Postoperative Surveillance and Perioperative Prophylaxis. Gynecol Oncol 2011. [DOI: 10.1002/9781118003435.ch6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Urban MK, Jules-Elysee K, Loughlin C, Kelsey W, Flynn E. The one year incidence of postoperative myocardial infarction in an orthopedic population. HSS J 2008; 4:76-80. [PMID: 18751868 PMCID: PMC2504276 DOI: 10.1007/s11420-007-9070-3] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2007] [Accepted: 11/12/2007] [Indexed: 02/07/2023]
Abstract
The diagnosis of a postoperative myocardial infarction (PMI) is important in the orthopedic population because these events can be associated with significant cardiac morbidity. Plasma troponin I (cTnI) analysis has markedly increased our ability to detect myocardial damage. Using cTnI analysis for evidence of a PMI, we prospectively assessed all of our patients for (1) the 1-year incidence of PMI, (2) the clinical consequences of a PMI in relation to the level of the cTnI release, and (3) 6-month follow-up for cardiac complications. During a 12-month period, patients at risk for perioperative myocardial ischemia were assessed for a PMI by serum cTnI levels and daily serial ECGs. Patients with cTnI levels above the reference level (> or = 0.4 ng/ml) were also assessed for new cardiac regional wall motion abnormalities with an echocardiogram and 6-month postdischarge adverse cardiac events. Of the 758 patients who were assessed for a PMI, 49 patients had detectable cTnI levels (> or = 0.4 ng/ml); the incidence of a PMI was 0.6% of all surgical cases and 6.5% of those patients were at risk for a cardiac event. A PMI was more common after hip arthroplasty than other orthopedic procedures. Twenty-three patients had a cTnI level >3.0 ng/ml, and 74% these patients (17/23) had anginal symptoms and/or ischemic ECG changes. Nine of these patients (9/23) had new postoperative echocardiographic changes, five (5/23) required emergency transfer to a cardiac care unit, and 10 (10/23) had postoperative cardiac complications. In contrast, 15 patients with levels of cTnI <3.0 ng/ml and without ischemic ECG changes and/or anginal symptoms had no postoperative cardiac complications. Fourteen patients (14/47) had cardiac complications 6 months after discharge, including four cardiac deaths, one fatal stroke, and four patients with unstable anginal episodes that required a change in medical management, and six patients required coronary revascularization. Orthopedic surgical patients with cTnI level <3 ng/ml and without symptoms or ECG changes suggestive of myocardial ischemia (15/49) may have different risks than those with higher-level cTn1.
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Affiliation(s)
- M. K. Urban
- Department of Anesthesiology, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021 USA
| | - K. Jules-Elysee
- Department of Anesthesiology, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021 USA
| | - C. Loughlin
- Department of Anesthesiology, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021 USA
| | - W. Kelsey
- Department of Anesthesiology, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021 USA
| | - E. Flynn
- Department of Anesthesiology, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021 USA
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Jules-Elysee K, Urban MK, Urquhart B, Milman S. Troponin I as a diagnostic marker of a perioperative myocardial infarction in the orthopedic population. J Clin Anesth 2001; 13:556-60. [PMID: 11755323 DOI: 10.1016/s0952-8180(01)00337-3] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
STUDY OBJECTIVE To assess the utility of troponin I, the only molecular marker of myocardial injury not expressed in regenerating muscle, in diagnosing perioperative myocardial infarction (MI) in the setting of orthopedic surgery where false elevations in creatine kinase MB isoenzymes (CKMB) are known to occur. DESIGN Prospective study. SETTING University-affiliated hospital. PATIENTS 85 patients with risk factors for coronary artery disease (CAD) who were scheduled for orthopedic surgery, including total knee arthroplasty, 34; total hip arthroplasty, 36; posterior spine fusion, 7; and other orthopedic operations, 8. INTERVENTIONS Patients were observed in the postanesthesia care unit for at least 24 hours where they had an electrocardiogram (ECG) performed, and blood drawn to rule out MI. MEASUREMENTS Blood samples for measurement of creatine kinase MB isoenzymes (CKMB) and troponin I were drawn at 8-hour intervals for up to 24 hours. MAIN RESULTS Five (5/85) patients had elevated levels of both CKMB and troponin I postoperatively. New ECG abnormalities were present in all but one patient who had an old anterolateral MI. Troponin I peaked within 16 hours except in one patient where it continued to increase. That female patient developed cardiogenic pulmonary edema. All the others did well clinically. Six patients (6/85) had a positive CKMB index, and a negative troponin I level. None had ECG changes, except for one in whom subsequent cardiac catheterization showed insignificant CAD. They all did well clinically. All patients with an elevated troponin I level had a positive CKMB index. CONCLUSIONS Troponin I is as sensitive a marker of MI as CKMB in the orthopedic population, but it has a higher specificity in the perioperative setting. Troponin I can be helpful in properly identifying the source of CKMB elevation postoperatively when this elevation is questionable.
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Affiliation(s)
- K Jules-Elysee
- Department of Anesthesiology, Hospital For Special Surgery, New York, NY 10021, USA
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Gregoretti S. Cardiac enzymes in the blood salvaged during abdominal aortic surgery. J Vasc Surg 1996; 23:377-8. [PMID: 8637118 DOI: 10.1016/s0741-5214(96)70286-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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Yu M, Takanishi D, Myers SA, Takiguchi SA, Severino R, Hasaniya N, Levy MM, McNamara JJ. Frequency of mortality and myocardial infarction during maximizing oxygen delivery: a prospective, randomized trial. Crit Care Med 1995; 23:1025-32. [PMID: 7774212 DOI: 10.1097/00003246-199506000-00006] [Citation(s) in RCA: 51] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
OBJECTIVES To determine the frequency of myocardial infarction and mortality during treatment that increased oxygen delivery (DO2) to > or = 600 mL/min/m2. To define the characteristics of patients achieving a high DO2 without inotropes in order to guide future studies. DESIGN A prospective, randomized, controlled trial. SETTING Two surgical intensive care units at The Queen's Medical Center in the University of Hawaii Surgical Residency Program. PATIENTS Eighty-nine surgical patients (> or = 18 yrs of age), who were admitted to a surgical intensive care unit and who required pulmonary artery catheter monitoring, were selected for the study. Diagnoses included sepsis, septic shock, adult respiratory distress syndrome, or hypovolemic shock. Patients facing imminent death were excluded from the study. INTERVENTIONS The treatment group received fluid boluses, blood products, and inotropes, as needed, to achieve a DO2 of > or = 600 mL/min/m2 in the first 24 hrs. Using the same interventions, we treated the control group to reach a DO2 of 450 to 550 mL/min/m2. MEASUREMENTS AND MAIN RESULTS Hemodynamic measurements were obtained every 4 hrs until the pulmonary artery catheter was removed. DO2 and oxygen consumption were calculated by standard formulas. Serial creatine kinase myocardial fraction and electrocardiograms were documented for the first 48 hrs after study entry and for any new onset of arrhythmia or increasing hemodynamic instability. The patients who generated a high DO2 (> or = 600 mL/min/m2) with only preload treatment were reflective of patients with better cardiac reserve and low mortality rates. These patients, from both treatment and control groups, were excluded in the final analysis. The treatment group who received inotropes to achieve the high DO2 had a 14% mortality rate. Those patients who failed to achieve the high DO2 had a 67% mortality rate, and the control group who achieved a normal DO2 had a 62% mortality rate (p = .005). The frequency of myocardial infarction after study entry was 5.6% (five of 89 patients). This rate was not higher among the groups who received inotropes. Logistic regression analysis showed that age of > or = 50 yrs could be used to classify patients as not self-generating, with an 83% chance of being correct. CONCLUSIONS The group that required catecholamines to achieve a DO2 of > or = 600 mL/min/m2 had a lower mortality rate, with no increase in the frequency of myocardial infarction. Future prospective, controlled trials examining select groups of patients (age > or = 50 yrs) may demonstrate a difference between control and treatment groups by eliminating the majority of patients who generate the high DO2 with only preload augmentation.
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Affiliation(s)
- M Yu
- Department of Surgery, University of Hawaii, Queen's Medical Center, Honolulu, USA
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Aglio LS, Stanford GG, Maddi R, Boyd JL, Nussbaum S, Chernow B. Hypomagnesemia is common following cardiac surgery. J Cardiothorac Vasc Anesth 1991; 5:201-8. [PMID: 1863738 DOI: 10.1016/1053-0770(91)90274-w] [Citation(s) in RCA: 113] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Hypomagnesemia is a common disorder in noncardiac surgical patients in the postoperative period, but the effect of cardiac surgery on serum magnesium concentrations remains unclear. The authors hypothesized that cardiac surgery is associated with hypomagnesemia, and prospectively studied 101 subjects (60 +/- 13.1 years of age) undergoing coronary artery revascularization (n = 70), valve replacement (n = 24), or both simultaneously (n = 7). Blood samples and clinical biochemical data were collected before induction of anesthesia, prior to cardiopulmonary bypass (CPB), immediately after CPB, and on postoperative day 1. Blood samples were analyzed for ultrafilterable magnesium, total magnesium, ionized calcium, parathyroid hormone, and free fatty acid concentrations. Outcome variables were also determined. Eighteen of 99 (18.2%) subjects had hypomagnesemia preinduction and this number increased to 71 of 100 (71.0%) following cessation of CPB (P less than 0.05). Patients with postoperative hypomagnesemia had a higher frequency of atrial dysrhythmias (22 of 71 [31.0%] v 3 of 29 [10.3%], P less than 0.05) and required prolonged mechanical ventilatory support (22 of 63 [34.9%] v 4 of 33 [12.1%], P less than 0.05). Hypomagnesemia is common following cardiac surgical procedures with CPB and is associated with clinically important postoperative morbidity.
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Affiliation(s)
- L S Aglio
- Department of Anesthesia, Brigham and Women's Hospital/Harvard Medical School, Boston, MA 02114
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Graeber GM, Clagett GP, Wolf RE, Cafferty PJ, Harmon JW, Rich NM. Alterations in serum creatine kinase and lactate dehydrogenase. Association with abdominal aortic surgery, myocardial infarction and bowel necrosis. Chest 1990; 97:521-7. [PMID: 2306954 DOI: 10.1378/chest.97.3.521] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Experimental studies have shown that peripheral serum creatine kinase and lactate dehydrogenase change with bowel infarction. Some clinical reports have suggested that similar changes occur in patients. This prospective study documents the changes in these enzymes associated with acute myocardial infarction, acute bowel necrosis (MES INF), and uncomplicated abdominal aortic reconstruction. Analysis of 15 patients with AMI, 13 patients undergoing major AAS, and eight patients with MES INF has shown that these conditions may be differentiated by analysis of serum CK and LD isoenzymes. The study suggests that in the absence of electrocardiographic changes, a patient with epigastric distress with elevated levels of serum CK and either CK-MB or CK-BB bands present may well have a mesenteric rather than a myocardial infarction. Acute myocardial infarction can be ruled out further through analysis of serum LD1/LD2 ratios.
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Affiliation(s)
- G M Graeber
- Division of Surgery, Walter Reed Army Institute of Research, Washington, DC
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Charlson ME, MacKenzie CR, Ales KL, Gold JP, Fairclough GF, Shires GT. The post-operative electrocardiogram and creatine kinase: implications for diagnosis of myocardial infarction after non-cardiac surgery. J Clin Epidemiol 1989; 42:25-34. [PMID: 2913184 DOI: 10.1016/0895-4356(89)90022-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The objective of this study was to evaluate different approaches to the diagnosis of post-operative myocardial infarction. A total of 232 patients, mostly hypertensive and/or diabetic patients, who were undergoing elective non-cardiac surgery were evaluated pre-operatively. They were followed serially from the day of operation to discharge or the sixth post-operative day with daily clinical evaluations, electrocardiograms, creatine kinase and creatine kinase isoenzymes. In total 22% (51/232) of the patients had post-operative ECG changes in two or more leads. Only 1% developed new Q waves; most of the changes involved changes in the T or ST segments. Seventy percent of patients who had changes in their electrocardiogram were completely asymptomatic. The highest risk of ECG changes or symptoms occurred on the day of operation and the first post-operative day; evidence of post-operative infarction was infrequent after the second post-operative day. Creatine kinase levels rose an average of 250-300 IU on the first and second post-operative day (also the peak time for post-operative ECG changes), reducing its utility as an adjunct to the diagnosis of post-operative infarctions. Importantly, 52% (12/23) of the patients who had greater than or equal to 5% MB isoenzyme had neither ECG changes nor symptoms; the diagnosis of a myocardial infarction should not be made in these patients. In summary, most patients who experience ischemia or infarction post-operatively are asymptomatic. Symptoms should not be required for the diagnosis of post-operative infarction. Seemingly minor differences in criteria can produce major discrepancies in post-operative myocardial infarction rates (from 1 to 9%). The development of a final set of criteria will require further study but the diagnosis of post-operative infarction should probably be based on ECG changes, their duration and consistency, and the association of a positive MB fraction.
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Affiliation(s)
- M E Charlson
- Department of Medicine, Cornell University Medical College, New York, NY 10021
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