Jakrin Kewcharoen1, Mohammed Ali1, Angkawipa Trongtorsak2, Poemlarp Mekraksakit3, Wasawat Vutthikraivit3, Somsupha Kanjanauthai4. 1. University of Hawaii Internal Medicine Residency Program Honolulu, HI, USA. 2. Department of Internal Medicine, King Chulalongkorn Memorial Hospital, Chulalongkorn University Bangkok, Thailand. 3. Department of Internal Medicine, Texas Tech University Health Sciences Center Lubbock, TX, USA. 4. Division of Cardiovascular Medicine, Keck School of Medicine of University of Southern California Los Angeles, CA, USA.
Abstract
BACKGROUND: Admission hyperglycemia (AH) is a common finding in patients with acute coronary syndrome and has been reported to be associated with increased morbidity and mortality. Prior studies suggest that AH could be associated with reperfusion failure. We conducted a systematic review and meta-analysis to explore an association between AH and risk of reperfusion failure in patients with ST-elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (pPCI). METHODS: Two investigators searched the databases of MEDLINE and EMBASE from inception to February 2021. Study eligibility was independently determined by two investigators and needed to demonstrate association of AH and rate of reperfusion failure, or sufficient raw data to calculate the effect size. Participants were classified into two groups corresponding to their level of admission hyperglycemia. Group 1 was defined as an AH of ≥120-150 mg/dl, and group 2 as ≥150-200 mg/dl. Data from each study were combined using the random-effects model, the generic inverse-variance method of Der Simonian and Laird. The heterogeneity of effect size was quantified using the I2 statistic. A sensitivity analysis was performed by omitting one study at a time. Publication bias was assessed using a funnel plot and the Egger's test. All data analyses were performed using STATA SE version 14.2. RESULTS: A total of ten studies from 2008 to 2019 met eligibility criteria and were included in the final analysis. We found that AH is associated with increased risk of reperfusion failure in both group 1 (pooled OR=1.78, 95% CI: 1.35-2.33, I2=63.2%, P<0.001) and group 2 (pooled OR=1.44, 95% CI: 1.14-1.82, I2=57.1%, P<0.001). Sensitivity analysis showed that none of the results were significantly altered after removing one study at a time. In subgroup analysis of non-diabetic patients, we found that AH is also associated with increased risk of reperfusion failure in both group 1 (pooled OR=1.81, 95% CI: 1.29-2.54, P<0.001) and group 2 (pooled OR=1.61, 95% CI: 1.17-2.21, P<0.001). We did not perform a funnel plot or Egger's test as the number of available outcomes was insufficient to reject the assumption of funnel plot asymmetry. CONCLUSIONS: Our systematic review and meta-analysis demonstrated that AH is associated with increased risk of reperfusion failure in STEMI patients undergoing pPCI, in the non-diabetic population. AJCD
BACKGROUND: Admission hyperglycemia (AH) is a common finding in patients with acute coronary syndrome and has been reported to be associated with increased morbidity and mortality. Prior studies suggest that AH could be associated with reperfusion failure. We conducted a systematic review and meta-analysis to explore an association between AH and risk of reperfusion failure in patients with ST-elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (pPCI). METHODS: Two investigators searched the databases of MEDLINE and EMBASE from inception to February 2021. Study eligibility was independently determined by two investigators and needed to demonstrate association of AH and rate of reperfusion failure, or sufficient raw data to calculate the effect size. Participants were classified into two groups corresponding to their level of admission hyperglycemia. Group 1 was defined as an AH of ≥120-150 mg/dl, and group 2 as ≥150-200 mg/dl. Data from each study were combined using the random-effects model, the generic inverse-variance method of Der Simonian and Laird. The heterogeneity of effect size was quantified using the I2 statistic. A sensitivity analysis was performed by omitting one study at a time. Publication bias was assessed using a funnel plot and the Egger's test. All data analyses were performed using STATA SE version 14.2. RESULTS: A total of ten studies from 2008 to 2019 met eligibility criteria and were included in the final analysis. We found that AH is associated with increased risk of reperfusion failure in both group 1 (pooled OR=1.78, 95% CI: 1.35-2.33, I2=63.2%, P<0.001) and group 2 (pooled OR=1.44, 95% CI: 1.14-1.82, I2=57.1%, P<0.001). Sensitivity analysis showed that none of the results were significantly altered after removing one study at a time. In subgroup analysis of non-diabeticpatients, we found that AH is also associated with increased risk of reperfusion failure in both group 1 (pooled OR=1.81, 95% CI: 1.29-2.54, P<0.001) and group 2 (pooled OR=1.61, 95% CI: 1.17-2.21, P<0.001). We did not perform a funnel plot or Egger's test as the number of available outcomes was insufficient to reject the assumption of funnel plot asymmetry. CONCLUSIONS: Our systematic review and meta-analysis demonstrated that AH is associated with increased risk of reperfusion failure in STEMI patients undergoing pPCI, in the non-diabetic population. AJCD
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