Human Reproduction, Vol. 14, No. 10, 2460-2463,
October 1999
© 1999 European Society of Human Reproduction and Embryology
Ultrasound evaluation of uterine wound healing following laparoscopic myomectomy: preliminary results
1 Department of Obstetrics and Gynecology, 2 Department of Gynecology and Obstetrics of the University of Turin, S.Anna Hospital and 3 Department of Gynecology and Obstetrics, Mauriziano Umberto I Hospital, Turin, Italy
The purpose of our work was to study the evolution of the uterine scar following laparoscopic myomectomy, as imaged by ultrasonography and Doppler velocimetry of the uterine arteries. We prospectively studied 30 patients. In the first phase, 15 patients were submitted to two-dimensional (2D) endovaginal ultrasound on day –1, 1, 7, 30 and 60 (surgery = day 0). In the second phase an additional 15 patients were studied by both 2D ultrasound and by Doppler velocimetry. The resistance index (RI) was calculated from the flow velocity waveform of the uterine arteries, at the origin of their ascending branch. Only one ultrasonic pattern was found, which was a dense echogenic area having an ill-defined, heterogeneous texture. In one case a small anechoic area (1 cm) was detected in the scar, possibly due to a haematoma. The evolution of uterine healing showed a progressive reduction in the size of the scar. On day 1 its mean diameter was 37.04% less than the myoma diameter and on day 30 71.7% less. The difference was significant at P < 0.001. A further significant (P < 0.001) reduction was found at day 60 in the 15 patients studied in phase I. On both day 1 and day 30 following surgery, there was no correlation between the sizes of the myoma and the scar. There was a statistically significant increase (P < 0.01) in the RI value of the ipsilateral uterine artery from 0.64 on day –1 to 0.79 on day 1. On day 30, 12/15 (80%) cases had RI values ranging between 0.80 and 0.98, while in three cases there was absence of end diastolic flow. The RI values of the contralateral uterine artery were high (0.90) before surgery and did not change afterwards. There was no correlation between the size of the myoma and the increase in the uterine artery RI value following surgery. Considering the velocimetric findings, 30 days are a reference point for assessing the healing process. Ultrasound imaging and Doppler velocimetry can be used for studying the evolution of the uterine scar following myomectomy.
Key words: Doppler investigation /laparoscopic myomectomy/ultrasound/uterine repair
4 To whom correspondence should be addressed at: Azienda Ospedaliera S.Anna, Ambulatorio di Laparoscopia Ginecologica, Corso Spezia 60, 10126 Turin, Italy
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