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Emergency laparoscopy for suspected ovarian torsion: are we too hasty to operate?
Shikma Bar-On1, Roy Mashiach, David Stockheim
1Lis Maternity Hospital, Tel-Aviv Medical Center, Sackler School of Medicine, Tel-Aviv University, Israel.
Objective:
To reevaluate the rate of correct diagnosis of ovarian torsion (OT) in our department.
Design:
Retrospective computerized chart review.
Setting:
Tertiary referral center.
Patient(S):
Seventy-eight women who underwent laparoscopy for suspected OT.
Intervention(S):
Laparoscopy.
Main Outcome Measure(S):
Rate of true diagnosis of torsion, correlation with Doppler studies.
Result(S):
The preoperative diagnosis of OT was confirmed in only 36 (46.1%) of the patients. Immediate operation (<10 hours) after admission (n = 48) was associated with a statistically significantly higher likelihood of operatively confirming OT (56.2% vs. 28.6%). We found that the lack of ovarian blood flow on Doppler sonography was a good predictor of OT; women with pathologic flow were statistically significantly more likely to have OT (77% vs. 29%). The sensitivity and specificity of abnormal ovarian flow for OT were 43.8% and 91.7%, respectively, with a positive and negative predictive value of 78% and 71%, respectively.
Conclusion(S):
Despite 20 years of research, the accuracy of the preoperative diagnosis of OT remains low. The urge to operate can be attributed to the importance of preserving ovarian function in young women as well as to the availability and the low associated complication rate of laparoscopy.
