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Mobile Phone Effects on Umbilical Artery Doppler and Heart Rate Tracing

NCT02445261 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 190

Last updated 2018-01-25

No results posted yet for this study

Summary

Women were instructed not to use the mobile phones for 24 hours before carrying out the initial CTG trace and Doppler ultrasound. For each patient, initial 15 minutes CTG trace recording was done followed by umbilical artery Doppler ultrasound using high resolution ultrasound unit with 3-5 MHz transabdominal transducers (General Electric logic a500, logic a200 City country). Thereafter, the mobile phone (type, in the dialing mode, was put on the mother's abdomen for 10 minutes, concurrently with repeating the 15 minutes CTG trace. The umbilical artery Doppler was repeated 5 minutes after hanging up to avoid the interference with the Doppler machine. The umbilical artery Doppler ultrasound and the recorded fetal heart rate (FHR) strips before and after the mobile phone use were blindly analyzed with respect to umbilical artery resistance indices (RI) and CTG parameters in terms of number of fetal kicks, absence of beat to beat variability, loss of accelerations and the appearance of spontaneous decelerations.

Conditions

  • Umbilical Artery Doppler
  • Fetal Heart Rate Tracing

Interventions

RADIATION

mobile phone

Each woman was subjected to 15 minutes CTG trace recording before using mobile phone and repeated while the phone is in the dialing mode for 10 minutes. Umbilical artery (UA) Doppler ultrasound was done after the initial CTG trace and was repeated 5 minutes after hanging up the mobile phone.

Sponsors & Collaborators

  • Cairo University

    lead OTHER

Principal Investigators

  • Ahmed M Maged · Kasr Alainy medical school

Study Design

Allocation
NON_RANDOMIZED
Purpose
DIAGNOSTIC
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
40 Years
Sex
FEMALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2015-06-01
Primary Completion
2017-12-02
Completion
2018-01-23

Countries

  • Egypt

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02445261 on ClinicalTrials.gov