A meta-analysis of eight trials published in The Archives of Internal Medicine found that percutaneous coronary intervention had no clinical benefit over standard medical therapy in cases of stable coronary artery disease. However, physicians said there is still a place for stenting in treatment of the disease. "Cardiac disease is complicated, and there are lot of factors that go into assessing who should and shouldn’t be treated with stenting," said Dr. Allan Schwartz, who was not involved with the study.

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