Abbott Laboratories hired a Baltimore-area cardiologist as a sales consultant after he was barred from practicing at a local hospital last year for allegedly putting heart stents in hundreds of patients who didn’t need them, say Senate investigators probing the medical-device industry.

Their report, to be released Monday, shines a light on one of the most lucrative procedures for hospitals and medical-device makers, at a time of spiraling health-care costs. Medicare paid some $25.7 billion for stent surgery in the six years through 2009, according to the report. Get the full story »