Re: Nuchal Translucency

From: Philippe Jeanty, MD,PHD (jeanty@TheFetus.net)
Fri Aug 17 08:10:49 2001


I think that another concern in the US is that there has been little confirmation of those nuchal lucency results. Thus many people here have adopted the attitude that this interesting material, but why such a discrepancy with the UK results. In our unit we do about 12,000 exams a year. A little over 10% of these (1600) are first trimester exams and of these we see 5-8 nuchal lucency > 3 mm. None of the 3 mm had an aneuploidy. Surely those number are no comparison to the much larger experience of Kypros collective data, but they do not support a great enthusiasm for recommending amnios solely on the 3 mm values in a less then 35 year old patient.

Please amend your files and change my E-mail from jeanty@pov.net to jeanty@TheFetus.net

-----Original Message----- From: ultrasound@obgyn.net [mailto:ultrasound@obgyn.net] On Behalf Of Terry J DuBose Sent: Friday, August 17, 2001 5:26 AM To: Multiple recipients of list ULTRASOUND Subject: Re: Nuchal Translucency

It is probably due to the fact that it takes awhile for the knowledge to get disseminated and understood. The 11-14 week NT is still a relatively new measurement. If high standards of quality are not held up early on, then the sensitivities/specificities will not be good enough for it to ever be accepted widely.

In the USA general ob sonography is still suffering from the black eye of the RADIUS study because they included anyone with an ultrasound machine in the study, with no regard to experience, knowledge or certification. Their result was that ob sonography doesn't benefit. We must expect high quality exams or sonography will never be accepted for the accuracy it is truly capable of providing... IMHO.

Peace, Terry J DuBose, M.S., RDMS, APS Little Rock, Arkasas USA ------------------------------------------------------------------------- On Fri, 17 Aug 2001 04:20:40 -0500 gluca.pedroli@tiscalinet.it (Pedroli ------------------------------------------------------------------------- Gianluca, MD) writes: ------------------------------------------------------------------------- > Hi,
>
> I'm an italian obst/gyn and I would like to show you a burocratic
> problem: here in Italy a NT > 3mm isn't a enough condition to take
> an
> amniocentesis by the national health system if the patient is less
> than
> 35 year old. Now my question is: why make loads of efforts to
> guarantee
> a good quality standard level in ultrasounds when a NT > 3mm isn't
> enough to take a free amniocentesis ?
>
> Of course I can use a tri-test to improve the results of the risk
> factors for trisomy or spine duct defects, but why the NT is still
> "considered" not enough in women less than 35 years old ?
>
> I believe this a not good service for the patient.
>
> Gianluca Pedroli, MD
>




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