Comparison of Vascular Catheter-Related Thrombosis and Risk Factors After Oncologic and Non-Oncologic Major Surgery

In patients who will undergo oncological surgery and have a central venous catheter, the presence of thrombosis, its duration of occurrence and its dimensions will be evaluated by ultrasonography.

In patients who will undergo non-oncological surgery and have a central venous catheter, the presence of thrombosis, its duration of occurrence and its dimensions will be evaluated by ultrasonography.