Library

feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
  • 1
    ISSN: 1432-5233
    Keywords: Key words Sodium-hydrogen antiporter ; Echocardiography ; type 1 diabetes mellitus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We assessed the relationship between erythrocyte Na+/H+ antiport activity and myocardial anatomical-functional parameters (by Doppler echocardiography) in normotensive IDDM patients, with and without microalbuminuria. We studied 33 normotensive IDDM subjects and 14 matched healthy controls (group 4). Based on urinary albumin excretion rate (UAER), 23 diabetics were normoalbuminuric, 10 microalbuminuric (group 3). Normoalbuminurics were divided up for normal (group 1, n = 13) or high (group 2, n = 10) antiport activity. We evaluated fasting glycaemia and 24-h urine glucose output, HbA1c, plasma lipids, urea, creatinine and electrolyte clearances, UAER, erythrocyte Na+/H+ countertransport, M-Mode and 2D echocardiograms with Doppler analysis. Antiport, which was higher in diabetics than controls, was significantly overactive in groups 2 and 3 vs group 4, independently from UAER. Diabetics showed left ventricular volume, cardiac mass and systolic function within the control range. In left ventricular diastolic filling, while peak E was similar in diabetic and healthy people, the late peak transmitral flow velocity (peak A) was significantly higher in diabetics than controls, and this was also true in groups 2 and 3 vs group 4. Antiport activity was positively related to peak A (p〈0.03). These observations suggest that (a) the Na+/H+ antiport may be overactive in diabetes, apart from microalbuminuria; (b) increased Na+/H+ antiport activity, in normotensive IDDM people, may be associated with preclinical diastolic myocardial dysfunction (``incipient diabetic cardiomyopathy''?).
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...