Key quote in the AP story, "Kidney angioplasty brings risks, no benefit."
Yale's Harlan Krumholz:
"What's remarkable is that this procedure got so popular and adopted into widespread use before a study like this was conducted to show us what its value may be."
There is, sadly, nothing remarkable about such a story. This has happened countless times, perhaps, most tragically, in the case of HDT-ABMT.