WOMENS-HEALTH Messages for August, 1998: Re: acute twin to twin transfusion syndrome

Re: acute twin to twin transfusion syndrome

From: Thomas (anonymous@obgyn.net)
Thu, 20 Aug 1998 03:28:13 -0500 (CDT)

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In reply to: Correen: "acute twin to twin transfusion syndrome"

I'm afraid you will need to speak to a paediatrician with respect to the questions you have about the babies.

I'm not sure how well I will explain the TTTS bit as I have difficulty explaining this to doctors. Twins can either be identical or nonidentical. One third of twins are identicial and 2/3rds of these are what is called monochorionic. Monochorionic (MC) means that the twins share a placenta and one of the two sacs that surround the babies when in the womb. A proportion of MC twins share blood vessels with each other. The exact proportion is unknown.

It is now thought that it is the number of blood vessel communications that is important and that babies with lots of communications are protected from TTTS. It is thought that it is the twins with only a small number of communications who develop TTTS. (TTTS is when one baby gives blood to the other).

The theory is that ACUTE TTTS can form in labour when a woman has alot of cummunicating vessels. That in some way some of these connecting blood vessels are damaged providing a smaller number of connecting blood vessels. With this smaller number of connecting blood vessels TTTS can occur.

THIS IS ONLY THEORY. In reality doctors don't know for certain.

--
Dr Thomas Ind MB BS MD MRCOG
St George Hospital
Kogarah
Sydney
NSW 2217
AUSTRALIA

Next message: Thomas: "Re: hysterectomy for ovarian cyst"
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In reply to: Correen: "acute twin to twin transfusion syndrome"

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