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Renovascular hypertension: a rare cause of neonatal salt loss. 1991

F Blanc, and A Bensman, and J J Baudon
Centre de Pediatrie E. Lesne, Hopital Trousseau, Paris, France.

We report a case of severe hypertension in the newborn period due to obstruction of the right renal artery. The baby presented with polyuria leading to dehydration and was found to have hyponatraemia and severe renal salt loss. When sudden malignant hypertension is induced in experimental conditions, a high pressure diuresis and increased angiotensin II production are found. These findings could explain the renal salt loss, notwithstanding the effects of secondary hyperaldosteronism and hyper-reninaemia.

UI MeSH Term Description Entries
D006978 Hypertension, Renovascular Hypertension due to RENAL ARTERY OBSTRUCTION or compression. Hypertension, Goldblatt,Goldblatt Syndrome,Goldblatt Hypertension,Renovascular Hypertension,Syndrome, Goldblatt
D007010 Hyponatremia Deficiency of sodium in the blood; salt depletion. (Dorland, 27th ed) Hyponatremias
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D008297 Male Males
D009392 Nephrectomy Excision of kidney. Heminephrectomy,Heminephrectomies,Nephrectomies
D011141 Polyuria Urination of a large volume of urine with an increase in urinary frequency, commonly seen in diabetes (DIABETES MELLITUS; DIABETES INSIPIDUS). Polyurias
D011859 Radiography Examination of any part of the body for diagnostic purposes by means of X-RAYS or GAMMA RAYS, recording the image on a sensitized surface (such as photographic film). Radiology, Diagnostic X-Ray,Roentgenography,X-Ray, Diagnostic,Diagnostic X-Ray,Diagnostic X-Ray Radiology,X-Ray Radiology, Diagnostic,Diagnostic X Ray,Diagnostic X Ray Radiology,Diagnostic X-Rays,Radiology, Diagnostic X Ray,X Ray Radiology, Diagnostic,X Ray, Diagnostic,X-Rays, Diagnostic
D012078 Renal Artery Obstruction Narrowing or occlusion of the RENAL ARTERY or arteries. It is due usually to ATHEROSCLEROSIS; FIBROMUSCULAR DYSPLASIA; THROMBOSIS; EMBOLISM, or external pressure. The reduced renal perfusion can lead to renovascular hypertension (HYPERTENSION, RENOVASCULAR). Renal Artery Stenosis,Obstruction, Renal Artery,Obstructions, Renal Artery,Renal Artery Obstructions,Renal Artery Stenoses,Stenoses, Renal Artery,Stenosis, Renal Artery
D003681 Dehydration The condition that results from excessive loss of water from a living organism. Water Stress,Stress, Water
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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