[Value of color duplex ultrasound in diagnosis of insufficiency of perforant veins. A prospective study of 94 patients].

Using colour coded duplex sonography in pre-operative diagnosis of insufficient perforant veins we succeeded in accomplishing a close correspondence between diagnostic methods and intraoperative findings. We examined 94 patients suffering from primary varicosis by duplex sonography and found 334 perforant veins in total, i.e.

[Diabetic microangiopathy].

On the whole, diabetic microangiopathy can be understood as the clinical renal-retinal syndrome. About 10% of all diabetics die of end-stage renal failure, more frequent in IDDM. With an incidence of 14% diabetic retinopathy is one of the major causes of blindness in adulthood.

[Incidence and symptomatology of lung embolism in relation to the site of deep venous thrombosis].

The uncertainty about the true incidence of pulmonary embolism (PE) in connection with deep venous thrombosis (DVT) becomes evident when comparing the results of autopsy--vs. clinical studies, with the former showing a three-fold elevated rate of embolisation. In order to evaluate the percentage of clinically inapparent PE, all patients (65 females, 54 males, mean age 61.