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Background: The aim of this study was to quantify the effect of obesity on early results after coronary artery bypass grafting (CABG). Methods: A retrospective cohort study of patients underwent isolated CABG from January 2000 through December 2012 was conducted. 586 patients were classified into two groups: Obese (n = 100) BMI ≥ 30 kg/m 2 and non-obese (n = 486) BMI ≤ 30kg/m 2 . Results: The obese patients included more women (p < 0.01), hypertensives (p = 0.01) and dyslipidemics (p = 0001). The CPB, aortic champ times and number of bypass graft were similar between the groups (p = 0.35, p = 0.51 and p = 0.59 respectively). Also the composite of in-hospital mortality and postoperative complication didn't differ between the groups. The incidence of perioperative myocardial infarction, and need for inotropic drugs or IABP were significantly less in obese patients (p = 0.028, p = 0.031 and p < 0.01 respectively). Conclusions: The current study showed that obesity is not a risk factor of adverse events after CABG and continuous to give another aspect of the "obesity paradox".

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Although the majority of patients with perimembranous ventricular septal defect and septal aneurysm remained asymptomatic, some of them presented with serious complications during adulthood and thus required high risky surgery. In accordance with other rare condition, the incidence and natural history have not been well documented. This case describes the occurrence of a septic pulmonary emboli associated with right ventricular outflow tract obstruction in a young child.