Re: Pregnancy At Altitude
From: art fougner, md (evsono@pipeline.com)
Wed Aug 22 20:59:06 2007
I look forward to the day when we'll see an article on "Pregnancy in
Space" posted.
Art
At Wed, 22 Aug 2007, ainsron wrote:
>
>Occupational and environmental reproductive hazards, by Paul states:
>"Commercial air travel and acute exposure to altitudes less than 15,000 ft
>pose no adverse on maternal or fetal well-being. Pregnant women with
>medical problems (anemia, sickle cell, cardiac problems, etc.) that might be
>exacerbated by hypoxic environments should be carefully counseled.
>Avoidance of high altitudes us use of supplemental oxygen during flight may
>be necessary for these women."
>
>It differentiates between acute and chronic exposure, pointing out that IUGR
>is related to babies born above 10,000 feet, according to a study of
>Colorado women who lived above that altitude.
>
>Acute changes of altitude during flight do not appear to have an adverse
>effect on pregnancy outcome, studies of exposure to commercial jet travel
>with cabin pressures comparable to 8000 ft show small increases in maternal
>HR and no change in BP. Fetal monitoring during flight have shown no
>changes in FHR or variability.
>
>Ronald E. Ainsworth, MD, FACOG
>
>-----Original Message-----
>From: ob-gyn-l@obgyn.net [mailto:ob-gyn-l@obgyn.net] On Behalf Of Joe
>Sent: Wednesday, August 22, 2007 2:53 PM
>To: Multiple recipients of list OB-GYN-L
>Subject: Re: Pregnancy At Altitude
>
>reminds me of the Mount Everest syndrome that Eastman(?) studied. Fetal
>Hb protected . Joe C
>
>Lynn Montgomery wrote:
>
>> Bernt Schumacher did a study using rabbit models in a pressure system
>> simulating an airline cabin (approximately 10,000 ft). I believe he
>> found increased lactate levels in both the moms and the pups (via cord
>> sampling), but I do not believe there was increased pregnancy wastage or
>> other untoward outcome.
>> Lynn
>>
>> Lynn D. Montgomery, M.D.
>> Obstetrics & Gynecology, Maternal-Fetal Medicine
>> The Birth Center/Rocky Mountain Women's Health
>> 1211 S. Reserve St.
>> Missoula, Montana, 59801
>> 406-549-0978
>> fax 406-549-0987
>> e-mail: apgar10@thebirthcentermt.com
>> -----Original Message-----
>> From: ob-gyn-l@obgyn.net [mailto:ob-gyn-l@obgyn.net] On Behalf Of Dean
>> Huffman .
>> Sent: Wednesday, August 22, 2007 2:23 PM
>> To: Multiple recipients of list OB-GYN-L
>> Subject: Pregnancy At Altitude
>>
>> .
>>
>> Does anybody have references or sources that discuss risks (if any) to
>> first
>> trimester pregnancies from altitude exposure. Specficially a five day
>> vacation
>> to Colorado at 9000 feet with short trips by jeep to higher altitudes
>> for brief
>> periods of time.
>>
--
art fougner, md
"May The Wings of Liberty Never Lose a Feather." - Jack Burton
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