[Five year follow-up of 104 cardial artery deobliteration (author's transl)]

Insights

Carotid endarteriectomy offers moderate long-term survival benefits, primarily by reducing neurological accidents. However, 5-year mortality remains significant, especially for advanced stages of internal carotid artery stenosis.

Area of Science:

  • Vascular Surgery
  • Neurology
  • Cardiology

Context:

  • Internal carotid artery stenosis affects numerous patients, posing risks of stroke and neurological deficits.
  • Surgical intervention, specifically carotid endarteriectomy, has been a cornerstone treatment.
  • Long-term outcomes and survival rates following this procedure require continued evaluation.

Purpose:

  • To evaluate the 5-year outcomes, including mortality and recurrence rates, of patients who underwent carotid endarteriectomy.
  • To assess the impact of disease severity (staging) on patient survival and procedural success.
  • To determine the long-term survival benefits and neurological protection offered by carotid endarteriectomy.

Summary:

  • A 5-year reevaluation of 104 patients who underwent carotid endarteriectomy for internal carotid artery stenosis between 1964 and 1972.
  • Overall 5-year mortality was 34%, with survival rates decreasing from 87% in the first year.
  • Mortality differed significantly by disease stage (19% for stages 0, I, mild-III vs. 67% for others). Local recurrence was low (3%).

Impact:

  • Carotid endarteriectomy demonstrates a clear benefit in reducing neurological accidents.
  • Long-term survival improvement is moderate, influenced by comorbid conditions like coronary disease.
  • The procedure's effectiveness is strongly dependent on the stage of internal carotid artery stenosis at the time of surgery.