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Dennis-
It will be a while before I can get a copy of the
article you mention, but my first concern would be that it appears NOT to be a
double-blind study. Placebo control is important, but if the person
administering the placebo has knowledge of the treatment/placebo status this may
compromise the study. EEE effects are always a danger. I'd take this study with
a very large grain of salt. Were there other studies which included all of the
proper controls?
-Don.
----- Original Message -----
Sent: Thursday, October 03, 2002 10:47
AM
Subject: RE: Student question
OK I
know that I am procrastinating!
I
don't know about the "explanation" for the effectiveness of wrist bands for
reducing nausea. But there is a fair amount of research into their efficacy
for reducing morning sickness. Here is an abstract that I found on PubMed that
describes a successful double blind trial. (My search on PubMed yielded 187
references.) The references in this article might serve as an entry point for
finding an explanation of how this effectiveness is
achieved.
Regards
Dennis
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J Reprod Med 2001 Sep;46(9):835-9 |
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Effect of acupressure on nausea and
vomiting during pregnancy. A randomized, placebo-controlled, pilot
study.
Werntoft E, Dykes AK.
Department of
Nursing, Unit of Caring Sciences, Lund University, Lund, Sweden.
[EMAIL PROTECTED]
OBJECTIVE: To compare the antiemetic effect
of acupressure at the Neiguan point (P6) in a group of healthy women with
normal pregnancy and nausea and vomiting during pregnancy (NVP) with a similar
group receiving acupressure at a placebo point and another, similar group not
receiving any treatment. STUDY DESIGN: A randomized, placebo-controlled, pilot
study involving 60 women. RESULTS: It is possible to reduce NVP significantly
with acupressure at P6 as compared to acupressure at a placebo point or no
treatment at all in healthy women with normal pregnancies. Relief from nausea
appeared one day after starting treatment in both the P6 and placebo groups
but lasted for only six days in the placebo group. The P6 group, however,
experienced significantly less nausea after 14 days as compared to the other
two groups. CONCLUSION: This study involved 60 healthy women with normal
pregnancy and suffering from NVP. According to the results, in healthy women
with normal pregnancy it is possible to reduce NVP significantly at P6 as
compared to acupressure at a placebo point and to no
treatment.
Hi Nancy-
I submitted this to Quackwatch about six months
ago and had no response. I suspect placebo is the operative
word.
-Don.
----- Original Message -----
Sent: Thursday, October 03, 2002 5:19
AM
Subject: Student question
Hello -
Is there any
scientific explanation for how the "wrist strap" for motion sickness
works? Is it placebo effect or is there anything to it?
I have been
to Quackwatch and a few other sites with no success.
Thanks
much.
Nancy Melucci
Long Beach City College ---
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