BackgroundThe relationship between competitive sports and atrial fibrillation (AF) is controversial. We aimed to systematically evaluate and summarize all published observational data on the association between competitive sports and AF.Methods and resultsWe searched PubMed, EMBASE, Scopus and SportDiskus for all observational studies that assessed the risk of AF among athletes involved in competitive sports. Data were extracted and pooled odds ratios (OR) were calculated using random effects models. Six cohort studies and 2 case-control studies with a total of 9113 subjects were included in our meta-analysis. Pooled analyses showed an increased risk of incident and prevalent AF among athletes compared to the general population (OR = 1.64 [95% confidence interval (CI): 1.10–2.43]). Age-stratified analysis revealed an effect modification with age. Studies enrolling younger adults (<54 years) had an increased risk of AF among athletes compared to controls (OR = 1.96 [95% CI: 1.06–3.65]), but this association was not seen among older adults ≥54 years (OR = 1.41 [95% CI: 0.81–2.44], p = 0.23).ConclusionAthletes have an increased risk of AF compared to the general population. Age appears to modify the risk of AF in athletes.

Takotsubo cardiomyopathy (TCM) is an acquired form of cardiomyopathy that is commonly seen among post-menopausal women. It is characterized by left ventricular apical ballooning, electrocardiographic changes and mild elevation of cardiac enzymes in the absence of significant coronary artery stenosis. TCM usually has benign course. However, on rare instance, it can result in life-threatening and fatal complications including acute cardiogenic shock, ventricular arrhythmias and ventricular wall rupture. We herein report a case of a 77-year-old female who developed TCM complicated with massive pericardial effusion and cardiac arrest. The patient died and autopsy revealed normal coronaries with a slit-like rupture on the antero-apical surface of the heart extending into the papillary muscle. The clinical course, labs and angiographic findings preceding the cardiac rupture will be outlined. A thorough literature review including review of 14 previously reported case reports of TCM complicated with cardiac rupture will be included.

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Spontaneous isolated superior mesenteric artery dissection (ISMAD) is an uncommon cause of abdominal pain. Clinical presentation ranges from an asymptomatic incidental finding to acute bowel ischemia or fatal aneurysmal super mesenteric artery (SMA) rupture. We report the case of a 58-year-old male presenting with abdominal pain. Imaging studies revealed an ISMAD without radiological evidence of bowel ischemia. The patient was successfully treated using a conservative approach including bowel rest and anticoagulation. ISMAD incidence is expected to increase with the utilization of advanced imaging modalities. Thus, an ISMAD should be suspected when other common causes of an acute abdomen have been excluded. Given the lack of evidence-based guidelines, management options include conservative treatment and anticoagulation, endovascular stenting, or open surgical repair.