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[Angioplasty in risk patients. Possibilities in advanced chronic arterial obstructive diseases (author's transl)]
Insights
Extra-anatomic bypasses offer surgical options for vascular disease patients with high risk. Extrathoracal bypasses show the most favorable outcomes with 92% patency and 0% mortality.
Area of Science:
- Vascular Surgery
- Cardiovascular Medicine
Context:
- Standardized surgical methods are often inapplicable for certain vascular diseases.
- Patients with high operative risk present unique challenges in vascular interventions.
Purpose:
- To evaluate the efficacy and outcomes of various extra-anatomic bypass procedures in vascular disease management.
- To compare the results of axillo-femoral, femoro-femoral cross-over, and extrathoracal bypasses.
Summary:
- Axillo-femoral bypasses are useful in high-risk patients, improving condition and retaining extremities in 80%, but have a low late patency rate (38%).
- Femoro-femoral cross-over bypasses demonstrate improved late results with an approximate 80% patency rate, nearing standard method outcomes.
- Extrathoracal bypasses present the most favorable results, achieving a 92% patency rate after 5 years with 0% surgical mortality, making them the preferred method.
Impact:
- Provides crucial data for selecting optimal surgical strategies in complex vascular disease cases.
- Highlights the superior long-term efficacy of extrathoracal bypasses, guiding clinical decision-making.
- Improves patient outcomes by identifying the most effective and safest bypass techniques for high-risk individuals.
Abstract:
In vascular diseases in which standardized methods cannot be applied in spite of clear indication, operative treatment is problematic. In the meantime, "extra-anatomic bypasses" have proved useful, being implantable also in patients with high operative risk. The surgical mortality in these patients is about 4% after implantation of an axillo-femoral bypass. The preoperative condition is improved by the extraanatomical bypass, a threatened extremity being retained in about 80%. The late results show a patency rate of 38% and are therefore far below those of the standardized procedure. The results of the femoro-femoral cross-over bypass are better here. The late results in this case with a patency rate of ca. 80% are only slightly worse than with the standard methods. The results of the "extrathoracal bypasses" with a patency rate after 5 years of 92% and a mortality of 0% is more favorable. This is the method of choice.