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Re: PI umbilical cord dopplerFrom: Daniel Margulies (danymarg@movi.com.ar)Fri Mar 23 04:21:08 2001
I am using Doppler in OB since 1989 Don't feel that any index is better than other. The patency and sufficiency of the placenta ( that is what you interrogate when doing umbilical doppler) is not change by little difference in a number. When You see pathology on the placenta the diastolic flow is low, there is an increase in the pulsatilitiy there is a change in the waveform with a thinner and sharper form over the peak sistole. There is no difference between IR 0.87 and 0.81. Remember the physiologic changes on the fetus. Breathing, etc.. There is a more bigger diference between healthy and sick placentas. Don´t forget the simple AB ratio which is simpler and absolutely the some as de RI . Remember You are using the same number in the formula...... -----Mensaje original----- De: DuboseTerryJ@uams.edu <DuboseTerryJ@uams.edu> Para: Multiple recipients of list ULTRASOUND <ultrasound@mail.medispecialty.com> Fecha: Jueves, 22 de Marzo de 2001 11:46 a.m. Asunto: RE: PI umbilical cord doppler
>Do you believe that the PI is better than the RI for evaluating fetal
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