QJM, Vol 91, Issue 2 93-103, Copyright © 1998 by Oxford University Press
L Ford, A Abdullahi, FI Anjorin, SS Danbauchi, MS Isa, GH Maude and EH Parry
We have studied 227 women who had peripartum cardiac failure (PPCF) in
Zaria, Nigeria, since 1969-72. This follow-up and review of survivors in
1993-95 depended chiefly on a Zaria woman (A. Abdullahi) and on her careful
reporting. Overall, 31 (13.7%) were completely lost to follow- up, 17
(7.5%) were thought to be alive, and there were data on 179 others (78.8%).
Of the 75 known deaths, 55 were cardiovascular--20 due to PPCF, 31 due to
cardiac failure unrelated to pregnancy (CF), and four were due to a
cerebrovascular accident. PPCF recurred in 13% of 551 subsequent
pregnancies. Thirty-two women had a recurrence of PPCF only, and 27 an
episode of CF only. Blood pressures rose steadily over the years. An
enlarged left ventricle on discharge after the index admission predicted a
poor prognosis. In 1993-5, we compared 100 survivors with 100 non-PPCF
controls: 96 PPCF women but only 50 control women took extra salt (p =
0.0001). Significantly more PPCF women than controls had a diastolic
pressure of 110 mm Hg (p = 0.011). The syndrome is probably provoked in
potentially hypertensive women by the traditional practices of eating
kanwa, which is rich in Na+, taking additional excess salt and heating the
body after delivery. Evidence is presented that PPCF women are potentially
hypertensive, and cannot handle the excess ingested sodium which therefore
leads to hypervolaemia and thus PPCF.
ORIGINAL PAPERS
The outcome of peripartum cardiac failure in Zaria, Nigeria
Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, UK.
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