The association between anxiety disorders and in-hospital outcomes in patients with myocardial infarction.
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ABSTRACT: Background
Anxiety disorders are prevalent in patients with myocardial infarction (MI), but the effects of anxiety disorders on in-hospital outcomes within MI patients have not been well studied.Hypothesis
To examine the effects of concurrent anxiety disorders on in-hospital outcomes in MI patients.Methods
We conducted a retrospective cohort study in patients with a principal diagnosis of MI with and without anxiety disorders in the National Inpatient Sample 2016. A total of 129 305 primary hospitalizations for acute MI, 35 237 with ST-segment elevation myocardial infarction (STEMI), and 94 068 with non-ST elevation myocardial infarction (NSTEMI) were identified. Of these, 13 112 (10.1%) had anxiety (7.9% in STEMI and 11.0% in NSTEMI). We compared outcomes of anxiety and nonanxiety groups after propensity score matching for the patient and hospital demographics and relevant comorbidities.Results
After propensity score matching, the anxiety group had a lower incidence of in-hospital mortality (3.0% vs 4.4%, P < .001), cardiac arrest (2.1% vs 2.8%, P < .001), cardiogenic shock (4.9% vs 5.6%, P = .007), and ventricular arrhythmia (6.7% vs 7.9%, P < .001) than the nonanxiety group. In the NSTEMI subgroup, the anxiety group had significantly lower rates of in-hospital mortality (2.3% vs 3.5%, P < .001), cardiac arrest (1.1% vs 1.5%, P = .008), and cardiogenic shock (2.8% vs 3.5%, P = .008). In the STEMI subgroup, we found no differences in in-hospital outcomes (all P > .05) between the matched groups.Conclusion
Although we found that anxiety was associated with better in-hospital outcomes, subgroup analysis revealed that this only applied to patients admitted for NSTEMI instead of STEMI.
SUBMITTER: Li P
PROVIDER: S-EPMC7298986 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:Background Whether the effect of smoking on clinical outcomes following an acute myocardial infarction (AMI) is beneficial or detrimental remains inconclusive. We invesetigated the effect of smoking on the clinical outcomes in patients following an AMI. Methods Among 13,104 patients between November 2011 and June 2015 from a nationwide Korean AMI registry, a total of 10,193 participants were extracted then classified into two groups according to their smoking habit: (1) smoking group (n = 6,261) and (2) non-smoking group (n = 3,932). The participants who smoked were further subclassified according to their smoking intensity quantified by pack years (PYs): (1) <20 PYs (n = 1,695); (2) 20–40 PYs (n = 3,018); and (3) ≥40 PYs (n = 2,048). Each group was compared to each other according to treatment outcomes. The primary outcome was the incidence of major adverse cardiac and cerebrovascular events (MACCEs), which is a composite of all-cause mortality, non-fatal MI (NFMI), any revascularization, cerebrovascular accident, rehospitalization, and stent thrombosis. Secondary outcomes included the individual components of MACCEs. The Cox proportional hazard regression method was used to evaluate associations between baseline smoking and clinical outcomes following an AMI. Two propensity score weighting methods were performed to adjust for confounders, including propensity score matching and inverse probability of treatment weighting. Results While the incidence of all clinical outcomes, except for stent thrombosis, was lower in the smoking group than in the non-smoking group in the unadjusted data, the covariates-adjusted data showed statistical attenuation of these differences but a higher all-cause mortality in the smoking group. For smokers, the incidence of MACCEs, all-cause mortality, cardiac and non-cardiac death, and rehospitalization was significantly different between the groups, with the highest rates of MACCE, all-cause mortality, non-cardiac death, and rehospitalization in the group with the highest smoking intensity. These differences were statistically attenuated in the covariates-adjusted data, except for MACCEs, all-cause mortality, and non-cardiac death, which had the highest incidence in the group with ≥40 PYs. Conclusion Smoking had no beneficial effect on the clinical outcomes following an AMI. Moreover, for those who smoked, clinical outcomes tended to deteriorate as smoking intensity increased.
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Project description:BackgroundPatients with diabetes have increased in-hospital mortality following acute myocardial infarction (AMI), with studies suggesting higher risk with both hypoglycemia and hyperglycemia. We assessed whether a J-shaped relation exists between hemoglobin A1c (A1C) in patients with diabetes and AMI.MethodsWe assessed the associations between A1C and in-hospital mortality using data from a nationwide sample of AMI patients who had both prior diabetes and measurement of A1C (N = 15,337).ResultsWhen evaluated continuously, we observed no evidence of a J-shaped relation between A1C and in-hospital mortality in multivariable analysis (test for linearity P = .89). Patients with lowest (<5.5%) and highest A1C (?9.5%) had a crude mortality rate of 4.6% and 2.8%, respectively, compared with 3.8% among those in the referent A1C category (6.5% to <7%). In multivariable regression, we observed no association between low A1C (<5.5%, odds ratio 0.81, 95% CI 0.47-1.39) or high A1C (A1C ?9.5, odds ratio 1.31, 95% CI 0.94-1.83) and mortality as compared with the referent group. These findings can only be generalized to the subset of patients with diabetes who had A1C assessed during their hospitalization; these patients tended to be healthier than those in whom A1C was not assessed.ConclusionIn this large contemporary cohort of patients with diabetes presenting with AMI, we did not observe a J-shaped association between A1C and mortality.
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Project description:ObjectiveWe aimed to analyze the association between morphine and in-hospital outcomes in invasively managed ST elevation myocardial infarction (STEMI) and non-ST elevation acute coronary syndrome (NSTE-ACS) patients.BackgroundMorphine is commonly used for analgesia in the setting of acute coronary syndromes (ACS); however, recently its utility in ACS has come under closer scrutiny.MethodsWe identified all STEMI and NSTE-ACS patients undergoing coronary angiogram +/- percutaneous intervention between January 2009 and July 2016 in our center and recorded patient characteristics and inpatient outcomes.ResultsOverall, 3027 patients were examined. Overall, STEMI patients who received morphine had no difference in in-hospital mortality [4.18% vs. 7.54%, odds ratio (OR): 0.36, P = 0.19], infarct size (mean troponin level 0.75 ng/mL vs. 1.29 ng/mL, P = 0.32) or length of hospital stay (P = 0.61). The NSTE-ACS patients who received morphine had a longer hospital stay (mean 6.58 days vs. 4.78 days, P < 0.0001) and larger infarct size (mean troponin 1.16 ng/mL vs. 0.90 ng/mL, P = 0.02). Comparing matched patients, the use of morphine was associated with larger infarct size (mean troponin 1.14 ± 1.92 ng/mL vs. 0.83 ± 1.49 ng/mL, P = 0.01), longer hospital stay (6.5 ± 6.82 days vs. 4.89 ± 5.36 days, P = 0.004) and a trend towards increased mortality (5% vs. 2%, OR: 2.55, P = 0.06) in NSTE-ACS patients but morphine did not affect outcomes in the propensity matched STEMI patients.ConclusionIn a large retrospective study, morphine was associated with larger infarct size, a longer hospital stay and a trend towards increased mortality in invasively managed NSTE-ACS patients even after adjustment for clinical characteristics.
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