Nephrology Dialysis Transplantation, Vol 12, Issue 4 760-763, Copyright © 1997 by Oxford University Press
J Bar, B Fisch, C Wittenberg, I Gelerenter, G Boner and M Hod
BACKGROUND: The literature contains reports of 2309 pregnancies in some
1600 women who have undergone renal transplantation. Certain pre- pregnancy
factors, especially hypertension, renal graft dysfunction, short interval
between transplant and pregnancy, and high immunosuppressive drug dosage,
appear to increase the neonatal risks. METHOD: We describe the outcome of
42 pregnancies in 27 allograft recipients at Rabin Medical Center
(Beilinson Campus) in Israel during the last 8 years. All were treated with
combination immunosuppression regimens. RESULTS: The average interval from
transplantation to conception was 3.7 +/- 0.4 years (2 months to 9 years).
Rejection episodes occurred in 37% prior to pregnancy but in none during or
immediately after pregnancy. Twenty-eight percent of the pregnancies ended
in therapeutic or spontaneous abortions, and 29 of the 30 deliveries ended
in a live birth. The prematurity rate (63%) was similar to that described
in the literature for this patient group. Renal deterioration was evident
in seven women (26%) within 2 years after delivery. Use of 7.5 mg/d
prednisone (vs. 10 mg/d) before pregnancy was observed as the most
significant preconception parameter related to better pregnancy outcome. A
long interval from transplantation to conception and lack of pre-existing
hypertension were also significant. CONCLUSION: The better pregnancy
outcome associated with lower prednisone dosage is probably related to the
fact that the patients selected to receive the low-dose regimen have had a
longer and less complicated post-transplantation course.
ORIGINAL ARTICLES
Prednisone dosage and pregnancy outcome in renal allograft recipients
Department of Obstetrics and Gynecology, Rabin Medical Center, Peath Tiqva, Israel.
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