PubMed · 7405047
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V V Iakovets. 1980. [Automatic injector for angiography].. https://pubmed.ncbi.nlm.nih.gov/7405047/
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BACKGROUND AND OBJECTIVES: Pelvic tumors are often large and difficult to excise with appropriate surgical margins due to their size, proximity to neurovascular structures, and major intraoperative bleeding. The purpose of this study is to evaluate the yield of preoperative angiography and embolization so as to facilitate achievement of good surgical results. METHODS: Eighteen patients who suffered from large pelvic tumors (average size, 10.7 cm x 8.3 cm x 3.7 cm), 15 primary and 3 metastatic, underwent surgery at our institution between 1990 and 1995, after preoperative angiography and embolization of the tumors. RESULTS: The efficacy of the procedure was high. In all but one patient, the grade of vascularity of the tumor was reduced by at least two levels (based on our new tumor vascularity scale. In most patients, appropriate surgical margins were achieved. The average perioperative blood loss was only 750 cc. Procedure-associated complications were negligible. CONCLUSIONS: The results of this study call for the use of angiography and embolization in the management of patients with large pelvic tumors.
The concept of a minimally invasive approach to the treatment of vascular pathology was realized nearly 30 years ago when Charles Dotter described dilatation of atherosclerotic stenoses. Since that time biotechnology and therapeutic innovation have progressed to the point where entire medical subspecialties are based on the endoluminal treatment of diseases of the blood vessels. The most rapid progress has been made in the area of endoluminal treatment of vascular lesions, with angioplasty, stent, and stent graft deployment becoming an increasingly common method of treating various vascular lesions. Extraluminal endoscopic treatment of vascular disease has been gaining popularity, particularly for management of perforator vein incompetence associated with venous stasis disorders. Endoscopic saphenous vein harvest has become an accepted method for minimizing the length of incision required for saphenectomy. Vascular imaging has followed similar trends, with more detailed information being derived from tiny intravascular ultrasonic catheters. This article summarizes the current state of minimally invasive vascular surgery to provide the reader with an understanding of the efficacy of the various modalities. It also discusses future directions in the field.
The implantation of stent grafts is a relatively new method for the treatment of aneurysms of the aorta or peripheral aneurysms. Before the implantation precise measurements are mandatory to obtain the necessary information about the aneurysm. The numerous contraindications must be observed strictly to successfully exclude the aneurysmal sac. The stent graft is inserted via a percutaneous puncture or, in the case of an aortic graft, through a surgical arteriotomy. After the implantation rigorous follow-up is mandatory to detect complications such as leaks or thrombi: Spiral CT angiography is the method of choice. Some of the complications require secondary interventions such as the implantation of additional stent grafts. The results are encouraging, with a secondary exclusion rate of the aneurysm of up to more than 95%; however, long-term results are not available.