Background: Ischemic heart disease (IHD) has been considered the top cause of mortality globally. However, countries differ in their rates and there have been changes over time. Methods and Results: We analyzed mortality data submitted to the World Health Organization from 2005 to 2015 by individual countries. We explored patterns in relationships with age, sex, and income and calculated age-standardized mortality rates for each country in addition to crude death rates. In 5 illustrative countries which provided detailed data, we analyzed trends of mortality from IHD and 3 noncommunicable diseases (lung cancer, stroke, and chronic lower respiratory tract diseases) and examined the simultaneous trends in important cardiovascular risk factors. Russia, United States, and Ukraine had the largest absolute numbers of deaths among the countries that provided data. Among 5 illustrative countries (United Kingdom, United States, Brazil, Kazakhstan, and Ukraine), IHD was the top cause of death, but mortality from IHD has progressively decreased from 2005 to 2015. Age-standardized IHD mortality rates per 100 000 people per year were much higher in Ukraine (324) and Kazakhstan (97) than in United States (60), Brazil (54), and the United Kingdom (46), with much less difference in other causes of death. All 5 countries showed a progressive decline in IHD mortality, with a decline in smoking and hypertension and in all cases a rise in obesity and type II diabetes mellitus. Conclusions: IHD remains the single largest cause of death in countries of all income groups. Rates are different between countries and are falling in most countries, indicating great potential for further gains. On the horizon, future improvements may become curtailed by increasing hypertension in some developing countries and more importantly global growth in obesity.

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Background: Women with coronary artery disease are shown to have worse outcomes after percutaneous coronary intervention compared with men; however, less is known about sex-based outcomes following lower extremity peripheral vascular intervention (PVI) for symptomatic peripheral artery disease. The study aims to assess whether female sex is independently associated with periprocedural complications in patients undergoing PVI. Methods: Analysis includes patients undergoing lower extremity PVI from September 2016 to March 2020 from the Vascular Quality Initiative registry. Multivariate logistic regression was used to assess the independent association of female sex with post-PVI complications. Results: Of the 119 620 patients included, 47 316 (39.6%) were women. Analysis reflected that women were at higher risk of developing access site complications, including any hematoma (odds ratio [OR], 1.45 [1.35–1.57]), hematoma requiring transfusion (OR, 2.24 [1.82–2.76]; P <0.001), hematoma requiring surgery (OR, 1.49 [1.19–1.86]; P <0.001), pseudoaneurysm (OR, 1.69 [1.39–2.05]; P <0.001), and access site occlusion (OR, 1.89 [1.15–3.08]; P <0.001). Women also faced higher risks of target lesion dissection (OR, 1.36 [1.26–1.46]; P <0.001), above-knee amputation (OR, 1.37 [1.18–1.58]; P <0.001), and in-hospital mortality (OR, 1.21 [1.07–1.38]; P =0.003). Conclusions: In a contemporary cohort, women undergoing lower extremity PVI for symptomatic peripheral artery disease were at higher risk than men of developing periprocedural complications, including moderate or severe access site bleeding, above-knee amputation, and in-hospital mortality. This increased risk persisted despite adjustment for differences in baseline patient or procedural characteristics and warrants further investigation.

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Ischemia and no obstructive coronary arteries (INOCA) is a common clinical presentation, with a variety of causes that are often not fully investigated in routine clinical practice. The goal of our study was to characterize a real-world population of patients with INOCA, with a deeper focus on symptoms and stress test findings. The study population consisted of 435 patients who underwent diagnostic coronary angiography for anginal symptoms and/or evidence of myocardial ischemia at non-invasive imaging. In all patients angiography demonstrated nonobstructive coronary artery disease (CAD, less than 30% luminal diameter stenosis or fractional flow reserve > 0.8 and/or instantaneous wave-free ratio  > 0.89). Fifty-four percent of the patients were women. Atypical clinical presentation was more common in women (59.5 vs. 49.5%, p = 0.037). Women were more likely to have normal coronary arteries than men (41.8 vs. 16.2%, p < 0.001), and less likely than men to have hemodynamically non-significant CAD (32.1 vs. 55.1%, p < 0.001). No significant correlation between typicality of symptoms and evidence of ischemia was found in those patients (244/435, 56.1%) who had either dobutamine stress echocardiography or electrocardiogram stress test. INOCA is a common clinical condition, prevalent in women often presenting with atypical symptoms.

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