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Cor triatriatum dexter is a very rare cardiac malformation in which the right atrium is subdivided into two distinct chambers. The authors report the case of a three-day-old infant boy with body weight of 2.8 kg, severely symptomatic, with highly obstructive cor triatriatum dexter and patent foramen ovale. The malformation was diagnosed by twodimensional echocardiography and corrected successfully by surgery. 49 From the

Usually a single end-to-end anastomosis on a middle-size vessel cannot be performed in less than twenty minutes with either separate or continuous suture technique. For easy and quick anastomoses the authors studied 12 dogs with a sutureless concept. With this method proximal and distal ends of a vessel were joined by means of a polydioxanone tube connector. The sutureless procedure took approximately five minutes to complete. Six months after the operation the anastomoses were examined and more than 41% of the vessels were found patent. The authors' opinion is that, if polydioxanone tube is prepared more properly, the rate of patency will be higher than this.