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Saturday, May 23, 2009

Rapid Decline in (51)Cr-EDTA Measured Renal Function During the First Weeks Following Lung Transplantation.


Rapid Decline in (51)Cr-EDTA Measured Renal Function During the First Weeks Following Lung Transplantation.

Hornum M, Iversen M, Steffensen I, Hovind P, Carlsen J, Andersen LW, Steinbr├╝chel DA, Feldt-Rasmussen B.

Department of Nephrology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.

We previously described a 54% decline in renal function at 6 months after lung transplantation (LTx). We hypothesized that this decline is a very early event following LTx. Thirty-one consecutive patients (16 females/15 males), mean age 49 (+/-13) years, with emphysema, cystic fibrosis/bronchiectasis or idiopathic pulmonary fibrosis were included in an analysis of renal function before and after LTx.

The glomerular filtration rate (GFR) was measured using the (51)Cr-ethylenediaminetetra acetic acid plasma clearance single injection technique (mGFR) at baseline before transplantation and at 1, 2, 3 and 12 weeks postoperatively. Mean mGFR declined from 103 +/- 18 to 65 +/- 22, 53 +/- 16 and 57 +/- 18 mL/min/1.73m(2) at 1-, 3- and 12-weeks post-LTx (p < 0.0001), respectively.

In a time-dependent repeated measures ANOVA, risk factors for a decline in mGFR posttransplant included: time (p < 0.0001), acute renal failure within 2 weeks post-LTx (p = 0.0003), use of heart and lung machine (p = 0.04), and the use of ephedrine (p = 0.048), as well as increasing age, older than 18 years at LTx (p = 0.006). These data demonstrate that renal function, measured with an isotope method, decreases dramatically during the first week after LTx.

PMID: 19459826 [PubMed - as supplied by publisher]

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