Malignant arterial hypertension in a child with nonspecific aortoarteritis

Abstract

The article presents a clinical case of malignant renovascular hypertension in a child, resulting from non-specific aortoarteritis. The disease initially manifested with abdominal pain and convulsions, leading to hospitalization. During the hospital stay, blood pressure readings were elevated to 180/100 mmHg and higher. Over the course of a year, the patient underwent pathogenetic (immunosuppressive), combined (triple) antihypertensive treatment, and symptomatic therapy. Due to the malignant nature of the hypertension, progression of organ damage, a high risk of complications and mortality, and the ineffectiveness of conservative treatment, surgical interventions were performed.

The first stage involved polyposition abdominal aortography and stent-graft implantation in the abdominal aorta. Despite restored blood flow in the abdominal aorta, blood pressure remained elevated over the following three months, even with ongoing antihypertensive therapy. As a result, a nephrectomy was performed at the second stage. Postoperatively, the patient’s blood pressure significantly decreased to 130/90–120/80 mmHg. Antihypertensive therapy was continued to reach lower target blood pressure values.

Non-specific aortoarteritis remains a prognostically unfavorable condition, even after reconstructive surgery, owning to its autoimmune nature, which suggests ongoing arterial inflammation even during clinical remission. This necessitates lifelong monitoring by a rheumatologist.

Keywords

child / non-specific aortoarteritis / hypertension / stent-graft implantation / nephrectomy

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