Infertility Clinical Trial
Official title:
Improve Hysterosalpingographic Accuracy by Real-time Fluoroscopy
As an essential step of the infertile work-up, hysterosalpingogram (HSG) has some advantages including the lack of need for anesthesia, a non-invasive procedure with less cost and relative easy to put into practice. However, it would be failed to detect the extra-tubal and peritoneal pathology and would be also difficult to distinguish the obstruction caused by the spasm of intramural segment. Obviously, imaging quality plays a key role in diagnostic accuracy of the HSG, studies had taken four roentgenograms and combined with the fluoroscopy were reported a higher sensitivity and specificity than those only taken two images in the examination. And hybridized radiography with CT or MRI system may provide the good-quality of the HSG. It is also reported that the sonosalpingography (SSG), which detect the tubal patency in real time, can show pelvic pathologies better than HSG. However, no parallel study was designed to verify the hypothesis that combined the fluoroscopy and taken more images can improving the diagnostic quality of the HSG. The aim of this study is to evaluate whether the accuracy of HSG can be improved by real-time evaluating under the fluoroscopy.
Tubal disease is responsible for 30-40% of female infertility in China. The lesions of
fallopian tube include occlusion, hydrosalpinx, and adhesion. Many techniques were developed
to assess the tubal pathology. Although laparoscopy can visualize the morphological
abnormalities of fallopian tubes directly and is widely accepted as a gold standard for
investigation of tubal patency, it is an invasive procedure and may carry of some risk.
Hysterosalpingography, which uses contrast media and radiographic techniques to visualize
the uterine cavity and tubal lumen, remains the first line screening since it was described
by Carey.
As an essential step of the infertile work-up, HSG has some advantages including the lack of
need for anesthesia, a non-invasive procedure with less cost and relative easy to put into
practice. Additional, HSG may have a potential therapeutic effect with the use of oil
soluble contrast media for examination. However, it would be failed to detect the
extra-tubal and peritoneal pathology and would be also difficult to distinguish the
obstruction caused by the spasm of intramural segment. In an early meta-analysis, HSG was
regard as the limited use of evaluating the peritubal adhesions because of its low
sensitivity. But in a recently small sample's report, the authors argued that the diagnostic
accuracy of HSG in peritubal adhesion can be improved by analyzing some special signs on the
radiographs.
Obviously, imaging quality plays a key role in diagnostic accuracy of the HSG, studies had
taken four roentgenograms and combined with the fluoroscopy were reported a higher
sensitivity and specificity than those only taken two images in the examination. And
hybridized radiography with CT or MRI system may provide the good-quality of the HSG. It is
also reported that the sonosalpingography (SSG), which detect the tubal patency in real
time, can show pelvic pathologies better than HSG. However, no parallel study was designed
to verify the hypothesis that combined the fluoroscopy and taken more images can improving
the diagnostic quality of the HSG. The aim of this study is to evaluate whether the accuracy
of HSG can be improved by real-time evaluating under the fluoroscopy.
;
Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Caregiver, Investigator), Primary Purpose: Diagnostic
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