Doppler assessment of the uterine circulation and the clinical behaviour of gestational trophoblastic tumours requiring chemotherapy
1992

Doppler Assessment of Uterine Circulation in Tumors

Sample size: 40 publication Evidence: moderate

Author Information

Author(s): M.G. Long, J.E. Boultbee, R. Langley, E.S. Newlands, R.H.J. Begent, K.D. Bagshawe

Primary Institution: Charing Cross Hospital, London, UK

Hypothesis

Can Doppler ultrasound predict drug resistance in patients with gestational trophoblastic tumors?

Conclusion

Doppler ultrasound assessment of uterine arteries can help predict which patients will develop drug resistance to chemotherapy.

Supporting Evidence

  • Patients with a pulsatility index of 1.1 or less were significantly more likely to develop drug resistance.
  • Five out of eight patients who developed drug resistance could have avoided inadequate treatment with Doppler findings.
  • The mean pulsatility index was significantly lower in patients who developed drug resistance.

Takeaway

Doctors used a special ultrasound to look at blood flow in the uterus to see if it could help them know which patients might not respond to cancer treatment.

Methodology

Doppler ultrasound was used to assess uterine artery blood flow in patients before chemotherapy, and results were analyzed for drug resistance.

Limitations

The study had a small sample size and may not be generalizable to all patients with trophoblastic tumors.

Participant Demographics

Forty consecutive patients requiring treatment for invasive mole and choriocarcinoma.

Statistical Information

P-Value

p<0.04

Statistical Significance

p<0.04

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