If Fallopian-tube recanalisation does turn out routinely to enable pregnancy, it suggests that fertility clinics may be missing an important trick
Save time by listening to our audio articles as you multitaskis caused by blockage of the Fallopian tubes, which carry eggs from the ovaries to the uterus, an obvious alternative might seem to be to try unblocking the tubes in question. If the blockage is merely a result of dried mucus, that can be done fairly simply using a procedure called Fallopian tube recanalisation. This involves pushing a fine guidewire out through the end of a catheter and up the blocked tube. It is not a new approach.
Between 2015 and 2021, as they reported on June 13th to the Society of Interventional Radiology’s annual meeting in Boston, Dr Machan and his team examined 951 women who had been diagnosed with at least one blocked Fallopian tube using a procedure called an-ray hysterosalpingogram . This involves sending dye into the uterus to check, among other things, whether the tubes are clear., under light sedation. Almost a quarter of their patients, they found, actually had two normal, unblocked tubes.
Results from the selective salpingograms showed that many of the women had a blockage of a kind that appeared treatable by Fallopian tube recanalisation, which the team then conducted through the catheter that was already in place. In all, they were able to reopen a clogged tube in this way in 539 of their patients—more than half of those originally presenting.
The acid test, of course, is how many of these women have gone on to become pregnant by more natural means than. To that question, Dr Machan has no answer. His purview as a radiologist does not extend to asking it. But, with about 2.5m cycles ofperformed around the world every year, somebody should do so.
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