Experimental Venous Occlusion

Induced chorioretinal venous anastomosis in experimental retinal branch vein occlusion.

Iatrogenic retinal vein to choroidal vein anastomoses were created using laser photocoagulation in six of seven dog eyes in which a partial branch retinal vein occlusion had previously been created photochemically. A similar attempt to create an anastomosis was made in six control eyes in which no branch vein occlusion was present. In the eyes in which a branch retinal vein had been created, a ...

Rationale of venous occlusion plethysmography.

The experimental evidence reported here supports the validity of venous occlusion plethysmog-raphy. 1 modified the technic of Brodie, 2 venous occlusion plethysmography has been widely employed to estimate blood flow in fingers, toes, and limbs. Several excellent comprehensive reviews of the technical pitfalls of the method are available. 3-4 The validity of the venous occlusion technic of plet...

Thrombolytic therapy for central venous catheter occlusion.

BACKGROUND Long-term central venous catheters have improved the quality of care for patients with chronic illnesses, but are complicated by obstructions which can result in delay of treatment or catheter removal. DESIGN AND METHODS This paper reviews thrombolytic treatment for catheter obstruction. Literature from Medline searches using the terms "central venous catheter", "central venous acc...

Unusual case of peripheral venous occlusion.

Pulmonary embolectomy using normothermic venous inflow occlusion.

The introduction of cardiopulmonary bypass for the urgent removal of massive pulmonary emboli by Sharp (1962) revolutionized the surgical management of this emergency. More patients were successfully treated in the four years following this than in the preceding 50 years since Trendelenburg's (1908) classical description of pulmonary embolectomy. The use of an extracorporeal circulation, and ac...