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Medline ® Abstract for Reference 25

of '1型神经纤维瘤病的管理和预后'

25
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Renovascular disease and hypertension in children with neurofibromatosis.
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Fossali E, Signorini E, Intermite RC, Casalini E, Lovaria A, Maninetti MM, Rossi LN
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Pediatr Nephrol. 2000;14(8-9):806.
 
Neurofibromatosis type 1 (NF1) is associated with vascular lesions, such as renal artery stenosis, and secondary hypertension. The real prevalence is largely unknown, particularly in children. We observed 27 patients with NF1, mean age 12.8 years (range 4.2-24 years), for 2-10 years to assess the association of NF1 with vascular abnormalities and secondary hypertension. Patients were studied with angiography, 24-h blood pressure monitoring, a captopril test, and Doppler ultrasonography of aorta and renal arteries. The prevalence of hypertension was 18.5%; 61.5% of patients studied with angiography had vascular lesions, half of whom were apparently normotensive. However, they had abnormal 24-h blood pressure monitoring, which was a first sign of poor blood pressure control. Those patients with severe hypertension (11.1%) were successfully treated with percutaneous transluminal angioplasty (PTA); stenosis recurred in 2 of 3 patients after a 2-year follow-up period, and was responsive to drugs. We conclude that hypertension is a frequent complication of NF1 in pediatric patients, it is usually secondary to typical vascular lesions, and requires careful follow-up. Ambulatory blood pressure monitoring (24-h) is a sensitive method for detecting initial alterations of the blood pressure pattern. PTA may be an effective treatment in this condition.
AD
Il Clinica Pediatrica, Istituti Clinic di Perfezionamento, Universitàdi Milano, Milan, Italy. elyandre@tin.it
PMID