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CASE REPORT
Year : 2022  |  Volume : 16  |  Issue : 3  |  Page : 364-367

Cardioprotection with glucose insulin potassium (GIK) during non cardiac surgery in a patient with stress induced myocardial ischemia: A case report


1 Department of Acute Medicine, Geneva University Hospitals, Geneva, Switzerland
2 Neuroscience, Neurosurgical Unit, Geneva University Hospitals, Geneva, Switzerland
3 Department of Acute Medicine, Geneva University Hospitals; Faculty of Medicine, University of Geneva, Geneva, Switzerland

Correspondence Address:
Marc Licker
Department of Acute Medicine, Faculty of Medicine, Geneva University Hospitals and University of Geneva, Geneva
Switzerland
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/sja.sja_195_22

Rights and Permissions
Date of Submission01-Mar-2022
Date of Decision25-Mar-2022
Date of Acceptance10-Apr-2022
Date of Web Publication20-Jun-2022
 

  Abstract 


The administration of glucose-insulin-potassium (GIK) has demonstrated cardioprotective effects in cardiac surgery. A 58-year-old male with severe disabling back pain due to posterolateral lumbar pseudarthrosis was scheduled for spine surgery. He previously experienced two episodes of acute coronary syndrome that required percutaneous coronary interventions (PCIs). Coronary angiogram showed intrastent occlusions and multiple coronary lesions that were not suitable for percutaneous or surgical revascularization. During pharmacological stress imaging, myocardial ischemia developed in 19% of the ventricular mass and was reduced to 7% when GIK was administered. After anesthesia induction, the GIK solution was also infused and surgery was uneventful, with no signs of postoperative myocardial injury. Four days later, the patient was successfully discharged to a rehabilitation center. This is the first clinical report of GIK pretreatment during non-cardiac surgery in a patient with ischemic heart disease (IHD).

Keywords: Coronary artery disease, general anesthesia, myocardial infarct, postoperative complication


How to cite this article:
Tesoro R, Hagerman A, Molliqaj G, Ellenberger C, Licker M. Cardioprotection with glucose insulin potassium (GIK) during non cardiac surgery in a patient with stress induced myocardial ischemia: A case report. Saudi J Anaesth 2022;16:364-7

How to cite this URL:
Tesoro R, Hagerman A, Molliqaj G, Ellenberger C, Licker M. Cardioprotection with glucose insulin potassium (GIK) during non cardiac surgery in a patient with stress induced myocardial ischemia: A case report. Saudi J Anaesth [serial online] 2022 [cited 2022 Jun 28];16:364-7. Available from: https://www.saudija.org/text.asp?2022/16/3/364/347750




  Background Top


In Western countries, spinal surgery has increased considerably over the last 20 years and is associated with low postoperative morbidity and mortality.[1] Although myocardial infarct, heart failure, and arrhythmias occur in less than 6% after spinal surgery, these major adverse cardiac events (MACEs) represent the leading cause of death and prolonged hospital stay.[2] Myocardial revascularization by the percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) is recommended in patients with severe ischemic heart disease (IHD).[3] Whenever coronary lesions are not suitable for revascularization, perioperative cardioprotective interventions are aimed to provide adequate gas exchange and stable hemodynamic conditions, to avoid anemia and to modulate the surgery-induced prothrombotic state.[4] Unfortunately, administration of antiplatelets, alpha-2 agonists, and beta-blockers has not been associated with better clinical outcomes in high-risk patients undergoing non-cardiac surgery.[5]

Interestingly, the infusion of glucose-insulin-potassium (GIK) has been shown to enhance the tolerance to myocardial ischemia in cardiac surgery and thereby reduce the occurrence of MACEs.[6],[7]

Herein, we report a 58-year-old man with stress-induced cardiac ischemia who was treated with GIK during spinal surgery with the aim to protect the heart.


  Case Report Top


A 58-year-old male complained of severe back pain due to pseudarthrosis that developed 3 to 6 months after spinal lumbar decompressive surgery. He had IHD, insulin-dependent diabetes, hypertension, moderate renal failure, and peripheral arterial disease. In 2010 and 2017, he presented non-ST segment myocardial infarctions (NSTEMIs) and underwent PCIs with sirolimus-eluting stent insertion in the left anterior descending (LAD) artery and the posterior interventricular (PIV) artery. His current medications included beta-blockers (metoprolol 50 mg bid), rosuvastatine (20 mg qid), aspirin (100 mg qid), non-steroidal anti-inflammatory drugs, acetaminophen (1 g qid), pregabalin (200 mg bid), and tramadol (100 mg bid).

The electrocardiogram (ECG) showed an inferior myocardial infarction and transthoracic echocardiography hypokinesia of the apical and inferior ventricular segments. Coronary angiography revealed intrastent occlusion in the LAD artery, 70% intrastent stenosis in the PIV artery, 50% stenosis of the left main artery, and non-stenotic atheroma deposits in the right coronary and circumflex arteries [Figure 1]. Positron emission computed tomography (PET-CT) with a pharmacological stress agent (regadenoson) showed ischemia in the basal inferior, mid-anterior, and apical inferior segments [respectively 8%, 5%, and 6% of the left ventricular mass; [Figure 2]a. Two days later, the PET-CT myocardial stress test was repeated after infusing 50 ml of GIK (0.4 g glucose/ml, 0.4 U insulin Actrapid®/ml, and 0.5 mEq potassium chloride [KCl]/ml) and it demonstrated a reduction of myocardial ischemia (0%, 4%, and 3% in basal inferior, mid-anterior, and apical inferior segments, respectively, [Figure 2]). As the coronary lesions were not amenable for PCI or CABG treatment, the multidisciplinary board recommended proceeding to surgery using GIK infusion as a cardioprotective intervention.
Figure 1: Coronary angiogram showing intrastent occlusion in the left descending artery (Figure 1a, arrow) and 70% stenosis in the stent in the posterior interventricular artery (Figure 1b, arrow)

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Figure 2: Myocardial positron emission computed tomography showing stress-induced ischemia (purple color) in basal inferior, mid-anterior, and apical inferior ventricular segments (Figure 2a) and the effect of glucose-insulin-potassium (GIK) infusion in reducing the extent of myocardial ischemia

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On the day of surgery, the patient received metoprolol 50 mg orally and was equipped with a 5-lead ECG, oxygen pulse oximetry, two peripheral intravenous (IV) catheters, and an arterial line for blood pressure monitoring (IntelliVue MP70, Philips Medical Systems, Philips Healthcare, 5680 DA Best, Netherland). After anesthesia induction with propofol and tracheal intubation, the lungs were mechanically ventilated and balanced anesthesia was established with inhaled sevoflurane, low IV doses of sufentanyl (150 mcg), ketamine (50 mg), and clonidine (150 mcg). The patient was installed in the prone position and a 100 ml GIK infusion (40 g glucose, 40 U insulin Actrapid®, and 20 mEq KCl) was started and continued over 60 min. Transforaminal interbody fusion extending from L4 to S1 with posterolateral fusion was performed over 5 h 20 min. A restrictive normovolemic fluid strategy was applied using IV fluids to compensate perspiration (4 ml.kg-1.h-1 Ringer-lactate) and blood losses (~500 ml) while low-dose norepinephrine was infused to target a mean arterial pressure between 70 and 90 mmHg and heart rate between 66 and 75 beats/min [Table 1]. The patient was successfully extubated at the end of the surgery and then transferred to the post-anesthesia care unit and 3 h later to the neurosurgical unit. Patient-controlled analgesia with IV morphine was initiated and the administration of beta-blockers, aspirin, and statins was resumed orally. On the first and second postoperative days, serum creatinine levels and ECG tracings were comparable to preoperative measurements and ultra-sensitive troponin T levels were less than 30 ng/l [Table 1]. As the patient experienced no postoperative complications (cardiovascular, renal, respiratory, and infectious) and had recovered satisfactory walking capacity with minimal pain, he was discharged to a rehabilitation center 4 days after surgery.
Table 1: Perioperative hemodynamic, respiratory and biologic parameters

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  Discussion Top


In this patient with severe IHD and disabling back pain, repeated myocardial PET-CT imaging demonstrated the effectiveness of a GIK solution to reduce stress-induced ischemia. As coronary lesions were not suitable for PCI or CABG, the same GIK regimen was administered during spinal surgery as a means to protect the heart and reduce the risk of MACE.

Given the increased life expectancy, the number of surgical candidates with IHD will continue to grow as well as the need for innovative cardioprotective techniques to manage high-risk patients who might benefit from an invasive procedure.[4],[8] Tachycardia, hyper-or hypotension, anemia, hypoxemia, and pro-inflammatory condition during the perioperative period all could trigger myocardial ischemia as a result of an imbalance between myocardial oxygen delivery and metabolic needs.[3]

This patient had a history of IHD with stress-induced myocardial ischemia that increased his risk of perioperative MACEs. Besides providing stable hemodynamic and adequate oxygenation, there is no “silver bullet” for perioperative cardioprotective interventions. All patient's cardiovascular medications—aspirin, beta-blockers, and statin—were continued preoperatively and resumed early after surgery.[5] General anesthesia using volatile anesthetics that have shown organ-protective effects was associated with intravenous ketamine and clonidine to facilitate anesthesia emergence and as part of multimodal analgesia.[9] Hemodynamic management using a restrictive fluid approach and vasopressor titration was aimed to maintain safe levels of blood pressure and heart rate.[10]

In this high-risk patient, the cardioprotective effects of GIK were confirmed during stress imaging as evidenced by more than 50% reduction in myocardial ischemic burden. In agreement with this observation, Di Marco et al.[11] used ECG and echocardiographic stress tests coupled to 201Thallium myocardial perfusion scintigraphy, demonstrating that GIK pretreatment resulted in increased ventricular contractility, improved exercise tolerance, and enhanced recovery of post-ischemic reperfusion. As the time window of GIK-induced cardiac protection may extend up to 72 h,[12] we elected to administer the GIK solution following anesthesia induction and therefore to minimize the risk for myocardial ischemia due to critical mismatch in oxygen supply–demand and prothrombotic conditions in the early postoperative period. The lack of myocardial injuries based on ECG recordings and cardiac biomarkers lend support for a successful perioperative cardioprotective strategy.

This is the first clinical report of the administration of GIK in non-cardiac surgery to prevent myocardial ischemia and stabilize the hemodynamic condition. Yet, a strong body of evidence supports the efficacy of GIK in reducing the size of myocardial infarct and the occurrence of arrhythmias in animal models of myocardial ischemia-reperfusion.[12] Likewise, fewer myocardial infarcts and atrial fibrillation along with faster weaning from cardiopulmonary bypass and discharge from the hospital have been reported in GIK pretreated patients undergoing cardiac surgery.[6],[13] Moreover, GIK infusion has been demonstrated to enhance ventricular function with a lesser need for inotropic and vasopressor drugs.[14] Hence, our patient could benefit from the GIK-induced shift of lipid oxidation to an “oxygen-sparing” pathway of glucose oxidation resulting in more efficient cardiac mechanical work and optimized hemodynamic status.[15]

This proof-of-concept clinical report supports the effectiveness of GIK infusion in minimizing stress-induced myocardial ischemia and its potential utilization during non-cardiac surgery that warrants further prospective controlled trials.

Abbreviations

CABG: Coronary artery bypass grafting surgery

GIK: Glucose-insulin-potassium

IHD: Ischemic heart disease

LAD: Left anterior descending

MACE: Major adverse cardiac event

PCI: Percutaneous coronary intervention

PET-CT: Positron emission tomography-computed tomography

PIV: Posterior interventricular.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Martin BI, Mirza SK, Spina N, Spiker WR, Lawrence B, Brodke DS. Trends in lumbar fusion procedure rates and associated hospital costs for degenerative spinal diseases in the United States, 2004 to 2015. Spine (Phila Pa 1976) 2019;44:369-76.  Back to cited text no. 1
    
2.
Bovonratwet P, Bohl DD, Malpani R, Haynes MS, Rubio DR, Ondeck NT, et al. Cardiac complications related to spine surgery: Timing, risk factors, and clinical effect. J Am Acad Orthop Surg 2019;27:256-63.  Back to cited text no. 2
    
3.
Smilowitz NR, Berger JS. Perioperative cardiovascular risk assessment and management for noncardiac surgery: A review. JAMA 2020;324:279-90.  Back to cited text no. 3
    
4.
Fleisher LA, Fleischmann KE, Auerbach AD, Barnason SA, Beckman JA, Bozkurt B, et al. 2014 ACC/AHA guideline on perioperative cardiovascular evaluation and management of patients undergoing noncardiac surgery: A report of the American college of cardiology/American heart association task force on practice guidelines. J Am Coll Cardiol 2014;64:e77-137.  Back to cited text no. 4
    
5.
Torregroza C, Raupach A, Feige K, Weber NC, Hollmann MW, Huhn R. Perioperative cardioprotection: General mechanisms and pharmacological approaches. Anesth Analg 2020;131:1765-80.  Back to cited text no. 5
    
6.
Fan Y, Yu D, Liang X. Volatile anesthetics versus intravenous anesthetics for noncardiac thoracic surgery: A systematic review and meta-analysis. Minerva Anestesiol 2021;87:927-39.  Back to cited text no. 6
    
7.
Ali-Hassan-Sayegh S, Mirhosseini SJ, Zeriouh M, Shahidzadeh A, Karimi-Bondarabadi AA, Sabashnikov A, et al. Safety and efficacy of glucose-insulin-potassium treatment in coronary artery bypass graft surgery and percutaneous coronary intervention. Interact Cardiovasc Thorac Surg 2015;21:667-76.  Back to cited text no. 7
    
8.
Smilowitz NR, Gupta N, Ramakrishna H, Guo Y, Berger JS, Bangalore S. Perioperative major adverse cardiovascular and cerebrovascular events associated with noncardiac surgery. JAMA Cardiol 2017;2:181-7.  Back to cited text no. 8
    
9.
Lin S, Neelankavil J, Wang Y. Cardioprotective effect of anesthetics: Translating science to practice. J Cardiothorac Vasc Anesth 2021;35:730-40.  Back to cited text no. 9
    
10.
Diaper J, Schiffer E, Barcelos GK, Luise S, Schorer R, Ellenberger C. Goal-directed hemodynamic therapy versus restrictive normovolemic therapy in major open abdominal surgery: A randomized controlled trial. Surgery 2021;169:1164-74.  Back to cited text no. 10
    
11.
Di Marco S, Boldrini B, Conti U, Marcucci G, Morgantini C, Ferrannini E, et al. Effects of GIK (glucose-insulin-potassium) on stress-induced myocardial ischaemia. Clin Sci (Lond) 2010;119:37-44.  Back to cited text no. 11
    
12.
Klein LJ, Visser FC. The effect of insulin on the heart: Part 2: Effects on function during and post myocardial ischaemia. Neth Heart J 2010;18:255-9.  Back to cited text no. 12
    
13.
Li Q, Yang J, Zhang J, Yang C, Yang C, Fan Z, Yang Y, et al. Effect of perioperative glucose-insulin-potassium therapy in patients undergoing on-pump cardiac surgery: A meta-analysis. Heart Surg Forum 2020;23:E063-9.  Back to cited text no. 13
    
14.
Licker M, Reynaud T, Garofano N, Sologashvili T, Diaper J, Ellenberger C. Pretreatment with glucose-insulin-potassium improves ventricular performances after coronary artery bypass surgery: A randomized controlled trial. J Clin Monit Comput 2020;34:29-40.  Back to cited text no. 14
    
15.
Korvald C, Elvenes OP, Myrmel T. Myocardial substrate metabolism influences left ventricular energetics in vivo. Am J Physiol Heart Circ Physiol 2000;278:H1345-51.  Back to cited text no. 15
    


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