Sodium loss as leading symptom of renovascular hypertension in the newborn

1980 ◽  
Vol 58 (18) ◽  
pp. 953-954 ◽  
Author(s):  
W. Rosendahl ◽  
M. Ranke ◽  
H. Mentzel
Keyword(s):  
Renovascular Hypertension ◽  
Sodium Loss ◽  
Leading Symptom

scholarly journals Treatment with Mesenchymal Stem Cells Improves Renovascular Hypertension and Preserves the Ability of the Contralateral Kidney to Excrete Sodium

2019 ◽  
Vol 44 (6) ◽  
pp. 1404-1415 ◽  
Author(s):  
Vanessa Araujo Varela ◽  
Elizabeth B. Oliveira-Sales ◽  
Edgar Maquigussa ◽  
Fernanda T. Borges ◽  
Pedro P. Gattai ◽  
...  
Keyword(s):  
Stem Cells ◽  
Mesenchymal Stem Cells ◽  
Renal Function ◽  
Renovascular Hypertension ◽  
Urinary Flow ◽  
Gene Expressions ◽  
Renal Deterioration ◽  
Contralateral Kidney ◽  
Sodium Transporters ◽  
Sodium Loss

Background: Mesenchymal stem cells (MSC) improve renal function and renovascular hypertension in the 2-kidney 1-clip model (2K-1C). While MSC play an immunomodulatory role, induce neoangiogenesis, and reduce fibrosis, they do not correct sodium loss by the contra­lateral kidney. Objectives: We investigated the tubular function of both stenotic and contralateral kidneys and the effect of MSC treatment by evaluating diuresis, natriuresis, and the expression of the main water and sodium transporters. Method: Adult Wistar rats were allocated into four groups: control (CT), CT+MSC, 2K-1C, and 2K-1C+MSC. MSC (2 × 105) were infused through the tail vein 3 and 5 weeks after clipping. Systolic blood pressure (SBP) was monitored weekly by plethysmography. Six weeks after clipping, 24-hour urine and blood samples were collected for biochemical analysis. Gene expression of the Na/H exchanger-3, epithelial sodium channel, Na/K-ATPase, Na/K/2Cl cotransporter, and aquaporins 1 and 2 (AQP1 and AQP2) were analyzed by RT-PCR. Intrarenal distribution of AQP1 and AQP2 was analyzed by immunohistochemistry. Results: In hypertensive 2K-1C animals, MSC prevented additional increases in BP. AQP1, but not AQP2, was suppressed in the contralateral kidney, resulting in significant increase in urinary flow rate and sodium excretion. Gene expressions of sodium transporters were similar in both kidneys, suggesting that the high perfusing pressure in the contralateral kidney was responsible for increased natriuresis. Contralateral hypertensive kidney showed signs of renal deterioration with lower GFR in spite of normal RPF levels. Conclusions: MSC treatment improved renal function and enhanced the ability of the contralateral kidney to excrete sodium through a tubular independent mechanism contributing to reduce SBP.

Effects of renovascular hypertension on rat adrenal zona glomerulosa

1978 ◽  
Vol 36 (2) ◽  
pp. 582-583
Author(s):  
G. Mazzocchi ◽  
P. Rebuffat ◽  
C. Robba ◽  
P. Vassanelli ◽  
G. G. Nussdorfer
Keyword(s):  
Renovascular Hypertension ◽  
Left Kidney ◽  
Renin Angiotensin System ◽  
Plasma Renin ◽  
Zona Glomerulosa ◽  
Ultrastructural Changes ◽  
Albino Rats ◽  
Left Renal Artery ◽  
Angiotensin System ◽  
And Control

It is well known that the rat adrenal zona glomerulosa steroidogenic activity is controlled by the renin-angiotensin system. The ultrastructural changes in the rat zona glomerulosa cells induced by renovascular hypertension were described previously, but as far as we are aware no correlated biochemical and morphometric investigations were performed.Twenty adult male albino rats were divided into 2 experimental groups. One group was subjected to restriction of blood flow to the left kidney by the application of a silver clip about the left renal artery. The other group was sham-operated and served as a control. Renovascular hypertension developed in about 10 days: sistolic blood pressure averaged 165 ± 6. 4 mmHg, whereas it was about 110 ± 3. 8 mmHg in the control animals. The hypertensive and control rats were sacrificed 20 days after the operation. The blood was collected and plasma renin activity was determined by radioimmunological methods. The aldosterone concentration was radioimmunologically assayed both in the plasma and in the homogenate of the left capsular adrenal gland.

Acute chorea as leading symptom in systemic lupus erythomatosus

2006 ◽  
Vol 37 (03) ◽  
Author(s):  
A Weber ◽  
NI Wolf ◽  
J Oh ◽  
D Rating ◽  
F Ebinger
Keyword(s):  
Systemic Lupus ◽  
Leading Symptom

Neuropathy in the gut. Gut motility disorders in patients with diabetes mellitus

2012 ◽  
Vol 153 (16) ◽  
pp. 607-614
Author(s):  
Tibor Wittmann
Keyword(s):  
Diabetes Mellitus ◽  
Blood Glucose ◽  
Treatment Modalities ◽  
Clinical Aspects ◽  
Gut Motility ◽  
Motility Disorders ◽  
The Everyday ◽  
Patients With Diabetes ◽  
Leading Symptom ◽  
Different Parts

The extent and severity of motility disorders remains heterogeneous in the different parts of the gut, and in most cases failures in gut motility do not correspond with the severity of the symptoms. If diarrhea or fecal incontinence is the leading symptom, or the blood glucose level varies frequently and considerably despite the treatment efforts, the motility of the stomach and bowels is seriously disturbed. The clinical aspects, detailed pathogenesis, diagnostic approach and treatment modalities of gastrointestinal motility disorders in diabetes mellitus are reviewed to help and improve the everyday medical practice. Orv. Hetil., 2012, 153, 607–614.

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