WOMENS-HEALTH Messages for August, 2000: Re: currence risk after percreta

Re: currence risk after percreta

From: Kelly Shanahan, MD (anonymous@obgyn.net)
Thu, 17 Aug 2000 16:14:09 -0500 (CDT)

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Reply: anonymous@obgyn.net: "Re: currence risk after percreta"

>>
>>Okay, I looked it up -- but I can't find a definite rate. Because risk
>>factors for a percreta include prior uterien surgery like c-section or
>>D&C, where the placenta implants in this area and adheres abnormally,
>>the risk of abnormal adherence is certainly higher if you have had it
>>once. For placenta previa, another risk factor for a abnormally
>>adherent placenta, the risk of recurrance is 6 - 8 times higher. The
>>chance of another percreta is at least that. Sorry I can't be more
>>specific.
>>>
>>--
>>M. Kelly Shanahan, MD, FACOG
>>South Lake Tahoe, CA
>>
>Thanks for the info, are you able specify the publications, also,
>convert 6-8 times into percentages, Thanks very much again in advance.

Thanks to Dr M for drawing my attention to this follow up -- book writing and toddler rearing have keep me too busy to check the forum other than my Fridays!

Ok -- sources: William's Obstetrics, the classic textbook. Also a recent article (2/2000) in OBGYN Management aobut recurrance rates -- I just tore out the chart on recurrance risks and didn't keep the whole article, so I don't know who the author was.

To convert to percentages -- this is for placenta previa, remember, and I'm just infering the risk of recurrance for percreta is at least that much, given the scarred area of the uterus and the propensity for abnormal adherence if hte placenta implants in this area again -- the overall risk of placenta previa is 0.3 - 0.5%. A sixfold increase would bring the risk to 1.8 - 3%. An eightfold increase would be 2.4 - 4%. Again, I couldn't find onay numbers specifically relating to recurrance of percreta, which is not suprising since many women with a percreta end up with a hysterectomy, and some even die from uncontrollable hemorrhage.

--
M. Kelly Shanahan, MD, FACOG
South Lake Tahoe, CA

This information is for educational purposes only and does not construe a doctor-patient relationship. It does not replace the need for you to consult your own doctor.

***private e-mails will be deleted without reading. Please respect my family time

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