Type Of Acute Myocardial Infarction Research Articles

Association between serum osmolality and deteriorating renal function in patients with acute myocardial infarction: analysis of the MIMIC- IV database

BackgroundTo investigate the association between serum osmolality and deteriorating renal function in patients with acute myocardial infarction (AMI).MethodsThree thousand eight hundred eighty-five AMI patients from the Medical Information Mart for Intensive Care IV were enrolled for this study. The primary outcome was deteriorating renal function. Secondary outcomes included the new-onset of acute kidney injury (AKI) and progress of AKI. < 293.2725 mmol/L was defined as low serum osmolality, and ≥ 293.2725 mmol/L as high serum osmolality based on upper quartile. Univariate and multivariate logistic regression models were used to explore the associations between serum osmolality and the development of deteriorating renal function, the new-onset of AKI and progress of AKI among AMI patients. Subgroup analysis was also conducted.ResultsOne thousand three hundred ninety-three AMI patients developed deteriorating renal function. After adjusting all confounding factors, high serum osmolality was associated with increased risk of deteriorating renal function [odds ratio (OR) = 1.47, 95% confidence interval (CI): 1.22–1.78], new-onset of AKI (OR = 1.31, 95% CI: 1.01–1.69), and progress of AKI risk (OR = 1.26, 95% CI: 1.01–1.59) among AMI patients. In addition, when the stratified analysis was performed for age, AMI type, cardiogenic shock, and estimated glomerular filtration rate (eGFR), high serum osmolality was risk factor for the risk of deteriorating renal function among patients aged 65 years or older, without cardiogenic shock, and with an eGFR ≥ 60 mL/min/1.73m2.ConclusionHigher serum osmolality increased the risk of deteriorating renal function among AMI patients.

Discontinuation of β-blocker therapy in stabilised patients after acute myocardial infarction (SMART-DECISION): rationale and design of the randomised controlled trial

IntroductionThere is a lack of evidence to support the effectiveness of prolonged β-blocker therapy after stabilisation of patients with acute myocardial infarction (AMI) without heart failure (HF) or left ventricular...

Sex-Age Interplay Among Young Aged Egyptians With First Acute Myocardial Infarction.

The burden of modifiable risk factors in young Egyptian adults presenting with first acute myocardial infarction (AMI), sex differences, sex-age interplay, and its relationship with demographic, angiographic characteristics, and type of AMI is a good topic for discussion. The study enrolled 165 young (≤45 years old) consecutive, eligible patients diagnosed with first AMI (ST-elevation myocardial infarction, non-ST-elevation myocardial infarction), for their demographic, angiographic, echocardiographic, and laboratory investigations and gender differences. Our population were 29-45 years old and 12.1% were females, most of whom had ST-elevation myocardial infarction; obesity in females and smoking in males were the most prevalent; and the younger the age of females presenting with AMI the more aggressive underlying risk factors and the more reduction in left ventricular ejection fraction. Most of the female culprit lesions were thrombotic and the severity of atherosclerotic culprit lesions correlated positively with blood pressure. The age paradox in young females (regarding left ventricular ejection fraction and the traditional risk factors) and the thrombotic nature of the culprit lesion mandate early intensive 1-year and 2-year preventive strategies against coronary heart disease (CHD) with special concern for obesity as the main trigger early in life with proper control of blood pressure. In males, smoking cessation programs are the main target to ameliorate the progress of CHD hand in hand with the other 1-year and 2-year preventive strategies of CHD.

ST elevation acute myocardial infarction in young versus elderly: An observational study

ABSTRACT Background: ST elevation acute myocardial infarction (AMI) is usually associated with marked morbidity and mortality, affecting both young and elderly populations. Aims: To compare the differences in clinical presentation, treatment, outcome, and comorbidity in elderly and young patients of ST elevation myocardial infarction (STEMI). Methods: A prospective study was conducted on 60 patients divided equally into two groups – above 60 years (Group A) and 60 years or below (Group B). The various parameters including clinical presentation, time of onset, type of AMI, medication, complications, and outcome were assessed. They were followed up for 1 month. Results: The proportion of males and females (M:F) was equal in Group A, and the M:F ratio was 2.75 in Group B. The mean duration of hospitalization was longer in elderly. Hypertension was the most common comorbid condition. About half of the elderly cohort had previous history of angina pectoris, and about one third had prior attacks of MI. Overall, a higher number of younger cohorts were thrombolyzed with streptokinase. Conclusion: Our study showed that there were noteworthy differences in clinical presentation, management, and outcome between elderly and young AMI patients. Early recognition of atypical features among elderly can lead to effective strategies and timely management.

Serum myeloperoxidase, paraoxonase, and plasma asprosin concentrations in patients with acute myocardial infarction

IntroductionThe objective of this study was to evaluate the usefulness of the serum biomarkers myeloperoxidase (MPO), paraoxonase (PON), and plasma asprosin in acute myocardial infarction (AMI) diagnosis and assess their compatibility with routinely screened cardiac biomarkers. MethodsThis study was conducted using a prospective cross-sectional design and included 90 patients, consisting of 60 patients diagnosed with AMI (30 with ST-segment elevation and 30 with non-ST-segment elevation on ECG) and 30 controls (without a diagnosis of AMI). Changes in the levels of cardiac biomarkers (Hs-cTnI, CK, CK-MB), lipid profile (TC, TG, LDL, HDL), MPO, PON, asprosin, and routine biochemical parameters of patients were evaluated. Furthermore, receiver operating characteristic curve analysis revealed the diagnostic value of Hs-cTnI, MPO, PON, and asprosin in predicting AMI. Binary logistic regression analysis of cardiac marker concentrations was used to predict the presence of AMI. In contrast, multinomial logistic regression analysis was conducted to predict the type of AMI and the control group. ResultsThe median levels of MPO and plasma asprosin were found to be higher in the patient group (3.22 [interquartile range {IQR}: 2.4–4.4] ng/ml and 10.84 [IQR: 8.8–17.8] ng/ml, respectively) than in the control group (2.49 [IQR: 1.9–2.9] ng/ml and 4.82 [IQR: 4.6–8.0] ng/ml, respectively) (p = 0.001 and p < 0.001, respectively). The median levels of PON were 8.94 (IQR: 7.6–10.4) ng/ml in the patient group and 10.44 (IQR: 9.1–20.0) ng/ml in the control group (p < 0.001). In the binary logistic regression model, compared with the control group, a 1 ng/ml increase in MPO level increased the odds of having AMI by 3.61 (p = 0.041, 95% CI: 1.055–12.397), whereas a 1 ng/ml increase in asprosin level increased the odds of having AMI by 2.33 (p < 0.001, 95% CI: 1.479–3.683). In the multinominal logistic regression model, compared with the control group, a 1 ng/ml increase in the MPO level increased the odds of having NSTEMI by 4.14 (p = 0.025, 95% CI: 1.195–14.350), whereas a 1 ng/ml increase in asprosin concentrations increased the odds of having NSTEMI by 2.35 (p < 0.001, 95% CI: 1.494–3.721). ConclusionHerein, MPO and asprosin concentrations increased with Hs-cTnI, and a decrease in PON concentration indicated that oxidant–antioxidant parameters and adipokines were related to AMI pathogenesis.

Prevalence and Stratification of Polyvascular Disease in Acute Myocardial Infarction Patients: A Cross-Sectional Study at Mayo Hospital, Lahore

Polyvascular Disease, that encompasses peripheral artery disease and cerebrovascular disease, has gained prominence due to expanded clinical focus and research, primarily driven by its association with major adverse cardiovascular events (MACEs) like myocardial infarction, cardiovascular death, and ischemic stroke. Objective: To determine the patients of PVD in patients with acute myocardial infarction (AMI). Methods: A cross-sectional study was designed and conducted at Department of Cardiology, Mayo Hospital, Lahore. between August 3, 2022 and February 2, 2023. 183 patients with AMI of either gender, age above 25 years and up to 80 years were included. Data were analyzed statistically using SPSS version 25.0. Results: Our study reported PVD in 57.4% of the patients with AMI. According to the stratification of PVD with numerous variables, notable variations emerged concerning age and symptom duration (p&lt;0.05), whereas gender, BMI, type of AMI, and socio-economic status showed insignificant differences. Conclusions: Our findings demonstrated that the PVD was highly prevalent among patients with AMI.

A Personalized Approach for Patients with Myocardial Infarction with Non-Obstructive Coronary Arteries.

Myocardial infarction with non-obstructive coronary arteries (MINOCA) includes coronary embolism, dissection, spasm and microvascular dysfunction, as well as plaque rupture or erosion (causing 50% stenosis). In the most recent studies, events that can be classified as MINOCA account for approximately 6-8% of all diagnoses of acute myocardial infarction (AMI). Clinical suspect may suggest the need for additional diagnostic procedures beyond the usual coronary angiography, such as cardiac imaging or provocative tests. Cardiac magnetic resonance (CMR) is essential for both validating the diagnosis and ruling out other conditions with a comparable clinical presentation. The prognosis is not as good as previously believed; rather, it is marked by morbidity and mortality rates comparable to those of other types of AMI. Identification of the underlying causes of MINOCA is recommended by current guidelines and consensus documents in order to optimize treatment, enhance prognosis, and encourage prevention of recurrent myocardial infarction. In this narrative review, we have outlined the various causes of MINOCA and their specific therapies in an attempt to identify a personalized approach to its treatment.

Acute Myocardial Infarction Complicated by Death in a Young Medically Free Female: A Case Report

Cardiovascular disease, and particularly myocardial infarction (MI), is the leading cause of disability and death in women worldwide. Young females with MI have previously been disregarded from inclusion in mass epidemiological research and clinical trials due to the physiologically protective properties of oestrogen. Moreover, young women who present with chest pain are often not considered at a risk for MI, which often delays workup and timely intervention, and they remain an unrecognised and under-treated subgroup. We report a case of a 22-year-old, medically free female with MI, with no traditional risk factors, complicated by a final, unfortunate outcome of death. This case report highlights the need to thoroughly investigate the prevalence, symptoms, and types of acute MI in young female patients, as well to create validated tools to assess the risk factors associated with this subgroup.

Impact of gender-related differences in outcomes in acute myocardial infarction: non-obstructive coronary arteries versus obstructive coronary arteries

Abstract Background Myocardial Infarction with Non-Obstructive Coronary Arteries (MINOCA) represents 6-10% of acute myocardial infarction (AMI) and is more prevalent in females. The impact of gender on the outcomes of MINOCA patients has been poorly understood. Purpose To evaluate the impact of gender on the prognosis of MINOCA. Methods We enrolled 2455 patients with AMI undergoing coronary angiography from January 2016 to June 2021. Patients were divided according to type of AMI and gender: male (n=1593) and female (n=607) in AMI with obstructive coronary arteries (MIOCA); male (n=87) and female (n=168) in MINOCA. Each cohort was further stratified based on age (&amp;lt;=/&amp;gt; 70 years). The primary endpoint was a composite of all-cause death, recurrent AMI, and hospitalization for heart failure (MACE) at 5-year follow-up. Secondary outcomes included: all-cause and cardiovascular death, recurrent AMI, HF re-hospitalization and stroke. Results MINOCA patients were more likely to be females compared to MIOCA ones (p&amp;lt;0.001). The incidence of MACEs was significantly higher in females compared to males, both in MINOCA (p=0.018) and MIOCA cohorts (p=0.002). Age was an independent predictor of MACEs in both cohorts. No difference in outcomes was found comparing females to males &amp;gt;70 years, in both MINOCA and MIOCA. MINOCA females &amp;lt;70 years old had a higher incidence of MACEs (p=0.003), mainly driven by a higher prevalence of re-hospitalization for HF (p=0.045) and recurrence of AMI (p=0.006). Only in this sub-group of MINOCA patients, female gender was an independent predictor of MACEs (HR=3.09; 95%CI: 1.02-9.59; p=0.040). MINOCA females &amp;lt;70 years old had worse outcomes than MIOCA peers. Conclusion MINOCA females &amp;lt;70 years old had a significantly higher incidence of MACEs, compared to males and MIOCA peers, likely due to the different pathophysiology of the ischemic event.Survival curves in MINOCA and MIOCASurvival curves stratified for age

Impact of Acute Myocardial Infarction Type on Prognosis in Female Patients With Cardiogenic Shock

There are limited data about mid-term prognosis according to acute myocardial infarction (AMI) type in female patients with AMI complicated by cardiogenic shock (CS). In this study, we evaluated the impact of AMI type on prognosis in female patients who underwent percutaneous coronary intervention (PCI) for AMI complicated by CS. A total of 184 female patients who underwent PCI for AMI complicated by CS were enrolled from 12 centers in the Republic of Korea. Patients were divided into 2 groups according to AMI type: the ST-segment elevation myocardial infarction (n=114) and the non-ST-segment elevation myocardial infarction (n=70) group. Primary outcome was a major adverse cardiac event (MACE) (defined as a composite of cardiac death, myocardial infarction, or repeat revascularization). Propensity-score matching analysis was performed to reduce selection bias and potential confounding factors. During 12-month follow-up, a total of 73 MACEs occurred (ST-segment elevation myocardial infarction group, 47 [41.2%] vs non-ST-segment elevation myocardial infarction group, 26 [37.1%], p=0.643). Multivariate analysis revealed no significant difference in the incidence of MACE at 12months between the 2 groups (adjusted hazard ratio 1.16, 95% confidence interval 0.70 to 2.37, p=0.646). After propensity-score matching, the incidence of MACE at 12months remained similar between the 2 groups (hazard ratio 1.31, 95% confidence interval 0.69 to 2.52, p=0.413). The similarity in MACEs between the 2 groups was consistent across a variety of subgroups. In conclusion, after adjusting for baseline differences, AMI clinical type did not appear to increase the risk of MACEs at 12months in female patients who underwent emergency PCI for AMI complicated by CS.

Serum fibrinogen-to-albumin ratio predicts new-onset atrial fibrillation risk during hospitalization in patients with acute myocardial infarction after percutaneous coronary intervention: a retrospective study

BackgroundNew-onset atrial fibrillation (NOAF) is a common adverse outcome of percutaneous coronary intervention (PCI) in patients with acute myocardial infarction (AMI) and is closely correlated with hospital stay and prognosis. In recent years, serum fibrinogen-to-albumin ratio (FAR), a novel biomarker for inflammation and thrombosis, has been used to predict the severity and prognosis of coronary artery disease. Our study aimed to investigate the relationship between FAR and NOAF during hospitalization after PCI in patients with AMI.MethodsWe retrospectively analyzed the incidence of NOAF during hospitalization and follow-up in 670 patients with AMI after PCI. Data were collected on patient age, sex, body mass index, medical history, current medication, heart failure, laboratory tests, culprit blood vessels, echocardiographic characteristics, and AMI type. The enrolled patients were divided into NOAF and non-NOAF groups. The baseline characteristics of patients in the two groups were compared, and the predictive correlation between FAR and NOAF was evaluated using logistic regression analysis and the receiver operating characteristic curve.ResultsFifty-three (7.9%) patients developed NOAF during hospitalization. The occurrence of NOAF was found to be independently associated with higher FAR besides older age, higher neutrophil count, greater left atrial size, worse Killip class upon admission, lower body mass index, lower platelet count, lower left ventricle ejection fraction, and target left circumflex artery disease. FAR exhibited a better predictive value for the occurrence of NOAF during hospitalization (area under the curve, 0.732; 95% confidence interval, 0.659–0.808).ConclusionsFAR is a robust tool for predicting NOAF risk during hospitalization in patients with AMI after PCI and has a better predictive value than serum fibrin and serum albumin levels alone.

Sex and age-related differences in outcomes of patients with acute myocardial infarction: MINOCA versus MIOCA.

To evaluate the impact of sex on acute myocardial infarction (AMI) patients' clinical presentation and outcomes, comparing those with non-obstructive and obstructive coronary arteries (MINOCA vs MIOCA). We enrolled 2455 patients with AMI undergoing coronary angiography from January 2017 to September 2021. Patients were divided according to the type of AMI and sex: male (n=1593) and female (n=607) in MIOCA; male (n=87) and female (n=168) in MINOCA. Each cohort was further stratified based on age (≤/> 70 years). The primary endpoint (MAE) was a composite of all-cause death, recurrent AMI, and hospitalization for heart failure (HF) at follow-up. Secondary outcomes included: all-cause and cardiovascular death, recurrent AMI, HF re-hospitalization and stroke. MINOCA patients were more likely to be females compared to MIOCA ones (p<0.001). The median follow-up was 28 [15-41] months. The unadjusted incidence of MAE was significantly higher in females compared to males, both in MINOCA [45 (26.8%) vs 12 (13.8%); p=0.018] and MIOCA cohorts [203 (33.4%) vs 428 (26.9%); p=0.002]. Age was an independent predictor of MAE in both cohorts. Among MINOCA patients, females ≤70-year-old had a higher incidence of MAE [18 (23.7%) vs 4 (5.9%); p=0.003] compared to male peers, mainly driven by a higher rate of re-hospitalization for HF (p=0.045) and recurrence of AMI (p=0.006). Only in this sub-group of MINOCA patients, female sex was an independent predictor of MAE (HR=3.09; 95%CI: 1.02-9.59; p=0.040). MINOCA females ≤70-year-old had worse outcomes than MIOCA female peers. MINOCA females ≤70-year-old had a significantly higher incidence of MAE, compared to males and MIOCA female peers, likely due to the different pathophysiology of the ischemic event. data were part of the ongoing observational study AMIPE: Acute Myocardial Infarction, Prognostic and Therapeutic Evaluation. ClinicalTrials.gov Identifier: NCT03883711.

Predictive value of metabolic score for insulin resistance and triglyceride glucose-BMI among patients with acute myocardial infarction in 1-year follow-up.

Recently two indicators - metabolic score for insulin resistance (METS-IR) and triglyceride glucose-BMI (TyG-BMI) have been proposed as surrogate markers of IR and potential cardiovascular risk factors. The aim of the study was to assess the predictive value of METS-IR and TyG-BMI concerning the incidence of major adverse cardiovascular events (MACE) and all-cause mortality in 1-year follow-up among patients admitted with acute myocardial infarction (AMI). Two thousand one hundred fifty-three patients with a median age of 68 years were enrolled in the study. Patients were divided into two groups according to the type of AMI. MACE occurred in 7.9% of the patients in the ST-segment elevation myocardial infarction (STEMI) group and in 10.9% of the non-STEMI (NSTEMI) group. No significant difference in median MACE-IR and TyG-BMI between patients with and without incidence of MACE was found in both groups. None of the examined indices were predictors of MACE in the STEMI and NSTEMI groups. Moreover, both of them did not predict MACE in subgroups of patients classified according to the presence of diabetes. Finally, METS-IR and TyG-BMI were significant predictors of 1-year morality, however with low prognostic value and only in univariate regression analysis. METS-IR and TyG-BMI should not be used in predicting MACE among patients with AMI.

Features of the course and complications of acute myocardial infarction in type 2 diabetes mellitus

Aim. To study the effect of type 2 diabetes mellitus (DM) on the clinical and anamnestic and laboratory and instrumental characteristics of patients with acute myocardial infarction (MI).Material and methods. 102 patients with MI (41 women and 61 men) were examined. 2 groups were formed: the main group — patients with MI and DM2 (n=66) (group 1), the control group — patients with MI without DM (n=36) (group 2). A comparative analysis of laboratory data, concomitant diseases, complications of myocardial infarction in groups was performed. Statistical data processing was performed using the Excel package (Microsoft), Statistica 10 program (Statsoft Inc).Results. The mean age of the general group was 68 [43;96] years, patients with DM2 68,5 [43;88] years, patients without DM 67,5 [47;96] years. The average duration of MI in the general group was 13,5 [1;48] years, among patients with DM — 23 [1;48] years, without DM — 8 [1;34] years. DM in patients was statistically significantly correlated with a history of exertional angina (Kramer’s V coefficient 0,272, p=0,005). At the same time, there was no significant relationship between DM and previous revascularization interventions, such as a history of stenting (p=0,088), coronary artery bypass grafting (CABG) (p=0,291), as well as with stroke (p=0,09). Mean body mass index (BMI) values are found in lesions and without DM — 29,7 [19,5;46,9] kg/m2 and 27,3 [21,3;41,5] kg/m2, respectively. An analysis of the frequency of determining CKD (eGFR level &lt;60 ml/min/1,73 m2) in groups revealed that in patients with type 2 DM, CKD of high severity was detected in 59% of cases, and in the group without DM this indicator was detected in 53%. Mean eGFR in the DM group was lower than in group 2: 54,5 [24;95] ml/min/1,73 m2 versus 58 [21;117] ml/min/1,73 m2, but the difference was not statistically detected (p&gt;0,05). DM necessarily correlated with the presence of CHF in patients (Cramer’s V coefficient 0,243, p=0,02). In the DM group, low ejection fraction was detected significantly more often according to echocardiography: 58% (n=11) in group 1 versus 42% (n=8) in group 2 (p=0,011). A statistically significant relationship was found between the presence of DM in patients and pulmonary hypertension according to echocardiography (Cramer’s V coefficient 0,3, p=0.003). And in a comparative analysis of lipid profile indicators, there was no statistically significant difference in the groups.Conclusion. DM in post-MI patients was more often associated with reduced renal function and the presence of CHF, as well as a history of exertional angina. In addition, patients with DM were more likely to be obese, although in general, the average weight of patients with and without DM, as well as the average age, were comparable. The data obtained may indicate a significant negative impact of DM on the condition and prognosis of patients who have undergone MI, which underlines the feasibility of a multifactorial combined approach in the treatment of these patients.

Five-Year Outcomes After Fractional Flow Reserve-Guided Deferral of Revascularization in Infarct-Related Artery Lesions.

Little evidence is available about the long-term safety of fractional flow reserve (FFR)-guided deferral of revascularization in infarct-related artery (IRA) lesions, especially when measuring FFR in the late setting after myocardial infarction (MI). This study aimed to assess the long-term outcomes after deferral of revascularization in IRA lesions based on FFR assessed in the late phase of post-MI. From the J-CONFIRM registry (Long-Term Outcomes of Japanese Patients With Deferral of Coronary Intervention Based on Fractional Flow Reserve in Multicenter Registry), data on 1447 lesions (1263 patients) were divided into 2 groups: the IRA and non-IRA groups. The primary study end point was the cumulative 5-year incidence of target vessel failure (TVF), such as cardiac death, target vessel-related MI, and clinically driven target vessel revascularization. Of the 1447 lesions, 138 (9.5%) were classified into the IRA group. The median duration of FFR measurement was 716 days after MI. The frequency of visual-functional mismatches (ie, FFR >0.80 and percent diameter stenosis ≥50% or FFR ≤0.80 and percent diameter stenosis <50%) was comparable between the IRA and non-IRA groups (31.9% vs 36.3%). The cumulative 5-year incidence of TVF did not differ between the groups (9.2% vs 11.8%; inverse probability-weighted hazard ratio, 1.18, 95% confidence intervals, 0.48-2.91, P = .71). Similar results were observed irrespective of regional wall motion assessed by ultrasonic cardiography and acute MI type. The 5-year TVF rate did not differ between the IRA and non-IRA lesions when deferring revascularization guided by FFR in the late setting of post-MI.

Impact of chronic obstructive pulmonary disease on heart failure hospitalizations after an acute myocardial infarction.

The presence of chronic obstructive pulmonary disease (COPD) can impact the management of acute myocardial infarction (AMI) and is associated with higher mortality. Few studies addressed COPD impact on heart failure hospitalisations (HFHs) in AMI survivors. Adult survivors of an AMI between January and June 2014 were identified from the US Nationwide Readmissions Database. The impact of COPD on HFH within 6 months, fatal HFH and the composite of in-hospital HF or 6-month HFH was studied. Of 237,549 AMI survivors, patients with COPD (17.5%) were older, more likely female, had a higher prevalence of cardiac comorbidities and a lower coronary revascularization rate. In-hospital HF was more frequent in patients with COPD (47.0% vs. 25.4%; p < 0.001). HFH within 6 months occured in 12,934 (5.4%) patients, at a 114% higher rate in patients with COPD (9.4% vs. 4.6%, OR = 2.14, 95% CI : 2.01-2.29; p < 0.001), which was attenuated to a 39% higher adjusted risk (OR = 1.39, 95% CI: 1.30-1.49). Findings were consistent across subgroups of age, AMI type, and major HF risk factors. Mortality during a HFH (5.7% vs. 4.2%, p < 0.001) and the rate of the composite HF outcome (49.0% vs. 26.9%, p < 0.001) were significantly higher in patients with COPD. COPD was present in 1 of 6 AMI survivors and was associated with worse HF related outcomes. The increased HFH rate in COPD patients was consistent across several clinically relevant subgroups and these findings highlight the need for optimal in-hospital and post-discharge management of these higher-risk patients.

Long-Term Prognosis of Patients With Coexisting Obesity and Malnutrition After Acute Myocardial Infarction: A Cohort Study.

The double burden of malnutrition, described as the coexistence of malnutrition and obesity, is a growing global health issue. This study examines the combined effects of obesity and malnutrition on patients with acute myocardial infarction (AMI). Patients presenting with AMI to a percutaneous coronary intervention-capable hospital in Singapore between January 2014 and March 2021 were retrospectively studied. Patients were stratified into the following: (1) nourished nonobese, (2) malnourished nonobese, (3) nourished obese, and (4) malnourished obese. Obesity and malnutrition were defined according to the World Health Organization definition (body mass index ≥27.5 kg/m2) and Controlling Nutritional Status score, respectively. The primary outcome was all-cause mortality. The association between combined obesity and nutritional status with mortality was examined using Cox regression, adjusted for age, sex, AMI type, previous AMI, ejection fraction, and chronic kidney disease. Kaplan-Meier curves for all-cause mortality were constructed. The study included 1829 AMI patients, of which 75.7% were male and mean age was 66 years. Over 75% of patients were malnourished. Majority were malnourished nonobese (57.7%), followed by malnourished obese (18.8%), nourished nonobese (16.9%), and nourished obese (6.6%). Malnourished nonobese had highest all-cause mortality (38.6%), followed by the malnourished obese (35.8%), nourished nonobese (21.4%), and nourished obese (9.9%, P<0.001). Kaplan-Meier curves demonstrated least favorable survival in malnourished nonobese group, followed by malnourished obese, nourished nonobese, and nourished obese. With nourished nonobese group as the reference, malnourished nonobese had higher all-cause mortality (hazard ratio, 1.46 [95% CI, 1.10-1.96], P=0.010), but only a nonsignificant increase in mortality was observed in the malnourished obese (hazard ratio, 1.31 [95% CI, 0.94-1.83], P=0.112). Among AMI patients, malnutrition is prevalent even in the obese. Compared to nourished patients, malnourished AMI patients have a more unfavorable prognosis especially in those with severe malnutrition regardless of obesity status, but long-term survival is the most favorable among nourished obese patients.

Atypical Presentations of Myocardial Infarction: A Systematic Review of Case Reports.

There is a rising incidence of coronary artery diseases and myocardial infarction (MI). Mortality associated with acute MI (AMI) is directly linked to the time to receive treatment and missed diagnoses. Although health professionals are aware of typical AMI presentation, atypical MI is difficult to diagnose, which on the other hand, is likely to have an impact on morbidity and mortality. Therefore, it is prudent to know such atypical presentations, especially for emergency and primary care physicians. We aimed to systematically evaluate the clinical presentations of atypical MI and analyze them to characterize the common clinical presentations of atypical MI. We researched the PubMed database, did citation tracking, and performed Google Scholar advanced search to find the cases reported on the atypical presentation of MI published from January 2000 to September 2022. Articles of all languages were included; Google Translate was used to translate articles published in languages other than English. A total of 496 (56 PubMed articles, 340 citations from included PubMed articles, and 100 articles from Google Scholar advanced search) were screened; 52 case reports were evaluated, and their data were analyzed. Atypical presentations of myocardial infarction are vast; patients may have chest pain without typical characteristics of angina pain or may not have chest pain. No typical characterization could be done. Most patients were in their fifth decade or above of their life and commonly presented with pain and discomfort in the abdomen, head, and neck regions. Prodromal symptoms were consistent findings, and many patients had two to three comorbidities out of four common comorbidities, i.e., diabetes, hypertension, dyslipidemia, and substance abuse.A patient who is 50 years old or more, having comorbidities such as diabetes, hypertension, dyslipidemia, history of tobacco or marijuana usage, presenting with prodromal symptoms like shortness of breath, dizziness, fatigue, syncope, gastrointestinal discomfort or head/neck pain should be suspected for atypical MI.

Cortisol as a biomarker for risk prediction of acute myocardial infarction in type 2 diabetic and dyslipidemic patients

Cortisol as a biomarker for risk prediction of acute myocardial infarction in type 2 diabetic and dyslipidemic patients

The Impact of Type of Acute Myocardial Infarction on Cardiac Patient Self-efficacy After Hospitalization.

Self-efficacy is an important psychological construct associated with patient adherence with healthy lifestyle choices. Few studies have focused on the impacts of the type of acute myocardial infarction (AMI), non-ST-elevation myocardial infarction (STEMI) and STEMI, and the different treatment modalities of AMI on changes in cardiac self-efficacy after hospitalization. This study examined the changes in cardiac self-efficacy based on the type of AMI and aimed to investigate the impact of different treatment modalities on changes in cardiac self-efficacy among post-AMI patients during hospitalization and at the 3- and 6-month follow-ups subsequent to hospitalization. A repeated-measures design was used with a convenient sample of 210 patients diagnosed with first AMI. Patients completed the Cardiac Self-efficacy Questionnaire at the 3 time points. The study was implemented in 3 major hospitals in Jordan. Patients did not have access to cardiac rehabilitation. There was a statistically significant impact of AMI type on changes in cardiac self-efficacy measured between T1 and T2, between T2 and T3, and subsequently between T1 and T3. Nevertheless, there was no statistically significant impact of treatment modalities of AMI on changes in cardiac self-efficacy measured at the 3 time points. Assessment of self-efficacy for post-AMI patients is recommended. Moreover, post-non-STEMI patients need more attention when implementing an intervention to enhance self-efficacy after hospitalization. Health decision makers have to consider establishing cardiac rehabilitation to improve self-efficacy in Jordan. Further research is needed to confirm the study results and to investigate other contributing factors that could influence self-efficacy after hospitalization.