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[Problems arising in connection with surgical management of renovascular hypertension (author's transl)]
Insights
Surgical reconstruction effectively treats severe renovascular hypertension caused by renal artery stenosis. Procedures like bypass and thrombendarteriectomy yielded positive results in 68.8% of patients, with zero operative mortality since 1973.
Area of Science:
- Vascular Surgery
- Nephrology
- Hypertension Management
Context:
- Renal artery stenosis (RAS) is a significant cause of severe renovascular hypertension.
- Arteriosclerosis and fibromuscular dysplasia are primary etiologies of RAS.
- Surgical intervention aims to restore renal artery patency and control blood pressure.
Purpose:
- To report outcomes of 65 consecutive renal artery stenosis reconstructions.
- To evaluate the efficacy and safety of surgical techniques for renovascular hypertension.
- To analyze factors influencing surgical success.
Summary:
- 65 patients with severe renovascular hypertension underwent surgical reconstruction for renal artery stenosis.
- Surgical methods included aortorenal saphenous vein bypass, dacron grafts, and thrombendarteriectomy.
- Positive outcomes were achieved in 68.8% of patients, with a significant improvement in female patients (63% normotensive).
- Initial operative mortality was 4.9%, but has been zero since 1973, with no technical failures.
Impact:
- Demonstrates the long-term effectiveness and safety of surgical reconstruction for RAS.
- Highlights the potential for significant blood pressure normalization in patients with renovascular hypertension.
- Provides valuable data for surgical decision-making and technique refinement in vascular and renal care.
Abstract:
65 consecutive renal artery stenosis reconstructions for the treatment of severe renovascular hypertension are reported. 63% of the cases were males, 37% females. The disease was caused by arteriosclerosis in 66% of cases and in 23% by fibromuscular dysplasia or other pathological changes of the renal artery; the mean age was 47 in the former. and 31 years in the latter group. An aortorenal saphenous vein bypass was performed in 35% cases, a dacron graft was used in 29% and thrombendarteriectomy was carried out in 23% cases. Positive results were achieved in 68.8% of the patients. 63% of the females became normotensive. Operative mortality due to faulty technique was 4.9% initially. The operative mortality has been zero since 1973. nor have there been any therapeutic failures on a technical basis. No significant correlation was established between age of the patients and result of operation.