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  • Title: Quantitative method of evaluating the functional patency of human uterine tubes. Correlation with 61 laparotomy cases.
    Author: Horne HW, Kosasa T.
    Journal: Obstet Gynecol; 1972 Mar; 39(3):368-72. PubMed ID: 5019308.
    Abstract:
    A quantitative method of hydrotubation has been devised using a CO2 insufflator attached to a calibrated burette filled with penicillin-saline solution or plain saline. A constant pressure of 60, 120, or 180 mm of mercury is maintained from a gas cylinder against the saline efflux. The uterine cavity is filled, requiring 3 to 8 ml; then time required for 10 ml of the saline to flow is measured. Delay in flo w indicates tubal obstruction. The method is contraindicated in acute pelvic inflammatory disease, uterine bleeding, ovulation, or elevated body temperature. In more than 3000 tests there were only 2 with complications, in each case severe pain lasting for 1 day. Of the 12 patients who complained of some pain, 11 were later found at laparotomy to have tubal pathology. The preoperative status of tubal patency in 61 infertile patients was compared with findings at laparotomy by using an indigo-carmine dyne in the solution. A correct preoperative diagnosis had been made in 52 patients (85.2%). In 48 in whom tubal patency had b een considered abnormal, 90% were found to be so at laparotomy. In 13 thought to have normal tubes 4 had tubal pathology and in 3 of these there was a normal tube on 1 side. This method is considered more reliable than tubal insufflation (Rubins's test). It is safe, usually painless, and can be done as an office procedure. There is no x-ray exposure as in hysterosalpingography.
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