Book of Medical Disorders in Pregnancy - Tintash
Book of Medical Disorders in Pregnancy - Tintash
Book of Medical Disorders in Pregnancy - Tintash
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nausea, vomit<strong>in</strong>g, purities and<br />
exfoliative dermatitis. When<br />
adm<strong>in</strong>istered for prolonged periods, it<br />
may produce lenticular opacities and<br />
ret<strong>in</strong>opathy. The former disappears when<br />
the drug is stopped.<br />
An acute attack <strong>of</strong> malaria dur<strong>in</strong>g<br />
pregnancy should be treated promptly.<br />
To patients with severe nausea and<br />
vomit<strong>in</strong>g, chloroqu<strong>in</strong>e hydrochloride<br />
should be given parenterally until these<br />
symptoms subside. Severe anemia<br />
should is corrected by blood transfusion.<br />
There is no <strong>in</strong>dication for therapeutic<br />
abortion <strong>in</strong> these cases. No data is<br />
available with regard to possible<br />
teratogenic effects <strong>of</strong> chloroqu<strong>in</strong>e.<br />
Pyrimetham<strong>in</strong>e is another antimalarial.<br />
This is a folic acid antagonist and may<br />
cause abortion or fetal malformation if<br />
given dur<strong>in</strong>g early pregnancy.<br />
Dur<strong>in</strong>g pregnancy regular suppressive<br />
therapy should be cont<strong>in</strong>ued <strong>in</strong> non<br />
immune patients. It should be started by<br />
the end <strong>of</strong> the first trimester to prevent<br />
febrile paroxysms. A paroxysm consists<br />
<strong>of</strong> a chill which lasts for 20 to 60<br />
m<strong>in</strong>utes and high fever which can last<br />
for 1 to 4 hours and pr<strong>of</strong>use sweat<strong>in</strong>g.<br />
High fever can cause <strong>in</strong>trauter<strong>in</strong>e death.<br />
Chronic or latent malaria occurs as a<br />
result <strong>of</strong> repeated re <strong>in</strong>fections <strong>in</strong><br />
endemic areas. It is remarkably well<br />
tolerated by adult populations that have<br />
survived the disease s<strong>in</strong>ce <strong>in</strong>fancy and<br />
have acquired a high degree <strong>of</strong> immunity.<br />
Latent malaria may become active<br />
follow<strong>in</strong>g surgery, dur<strong>in</strong>g pregnancy, or<br />
after delivery.<br />
To give reliable protection to the fetus,<br />
an <strong>in</strong>creased dose <strong>of</strong> chloroqu<strong>in</strong>e<br />
phosphate i.e. 0.5 gm. every third day is<br />
156<br />
recommended dur<strong>in</strong>g the month before<br />
term. Suppressive drugs should be given<br />
to exposed <strong>in</strong>fants as soon after birth as<br />
possible. Most antimalarials are secreted<br />
<strong>in</strong> human milk. It has been suggested<br />
that a 50 per cent <strong>in</strong>crease <strong>in</strong> the dosage<br />
<strong>of</strong> suppressive drug given to a nurs<strong>in</strong>g<br />
mother can protect the breast feed <strong>in</strong>fant<br />
dur<strong>in</strong>g the first months <strong>of</strong> life.<br />
Chemotherapy will usually pre-vent<br />
anaemia when given at the onset <strong>of</strong> the<br />
disease but will not cure it once it has<br />
developed. Folic Acid 5 milligram daily<br />
should be given by mouth to pre-vent<br />
megaloblastic anemia) but trans-fusion<br />
will be required for severe anemia near<br />
term.<br />
Progressive hemolytic anemia<br />
can <strong>of</strong>ten be arrested by giv<strong>in</strong>g prednisone,<br />
20 milligram daily by mouth.<br />
Congenital malaria: The parasite can<br />
cross the placenta and cause<br />
"congenital" malaria. Its <strong>in</strong>cidence varies<br />
from 0.03 to 1 per cent. The parasites<br />
have special aff<strong>in</strong>ity for the decidual<br />
blood vessels. Infection occurs when the<br />
placenta is damaged. This breaks the<br />
marten fetal barrier. The placental<br />
barrier is <strong>of</strong>ten quite effective <strong>in</strong> immune<br />
patients.<br />
Symptoms: These are fever, vomit<strong>in</strong>g,<br />
convulsions" pallor, jaundice, and<br />
hepatosplenomegaly, which usually<br />
appears <strong>in</strong> the newborn 48 to 72 hours<br />
after birth. Death may result from acute<br />
pulmonary edema. Passive immunity is<br />
transmitted from mother to child, <strong>in</strong><br />
countries where malaria is endemic.<br />
Prophylaxis <strong>of</strong> congenital malaria<br />
In malarial areas all newborn <strong>in</strong>fants<br />
should be protected by mosquito nett<strong>in</strong>g,