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Causal link between neonatal hydronephrosis and later development of hypertension
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för medicinsk cellbiologi, Integrativ Fysiologi.
2010 (Engelska)Ingår i: Clinical and experimental pharmacology & physiology, ISSN 0305-1870, E-ISSN 1440-1681, Vol. 37, nr 2, s. E14-E23Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

1. Although congenital ureteral obstruction is a common disorder in infants, its pathophysiology remains poorly understood and its clinical management continues to be debated. During the past decade, the surgical management of non-symptomatic hydronephrosis in children has become more conservative, but the long-term physiological consequences of this new policy are unclear. 2. In experimental models with complete ureteral obstruction, tubular atrophy and interstitial inflammation occur rapidly. Although this type of obstruction is very rare in clinical practice, it is often referred to in clinical discussions. New studies, using a model with chronic partial ureteral obstruction, have demonstrated that hydronephrosis is associated with renal injuries and is causally related to hypertension. 3. The mechanisms underlying the development of hypertension in experimental hydronephrosis are complex and involve changes in both the renin-angiotensin system and renal sympathetic nerve activity. Furthermore, oxidative stress and nitric oxide deficiency in the diseased kidney, with consequent resetting of the tubuloglomerular feedback mechanism, appear to play a pivotal role in the development and maintenance of hypertension. 4. In view of the new knowledge regarding the long-term effects of partial ureteral obstruction, today's non-operative management of hydronephrosis should be reconsidered to prevent obstructive nephropathy and hypertension in later life.

Ort, förlag, år, upplaga, sidor
2010. Vol. 37, nr 2, s. E14-E23
Nyckelord [en]
nitric oxide, obstructive nephropathy, oxidative stress, renal denervation, renal sympathetic nerve activity, renin-angiotensin system, tubuloglomerular feedback, ureteral obstruction
Nationell ämneskategori
Medicin och hälsovetenskap
Identifikatorer
URN: urn:nbn:se:uu:diva-137836DOI: 10.1111/j.1440-1681.2009.05267.xISI: 000273821300001OAI: oai:DiVA.org:uu-137836DiVA, id: diva2:379234
Tillgänglig från: 2010-12-17 Skapad: 2010-12-16 Senast uppdaterad: 2017-12-11Bibliografiskt granskad

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