DAVID H. SPODICK, M.D.
To the editor: In their paper, "Evaluation of Myocardial Revascularization with Arterial Implants (ANNALS, December 1970), Bloomer and colleagues correctly cite "The serious need for objective data to document the response of the Vineberg operation." Their report makes clear that "objective," as used here, refers to graphic methods of evaluation. It is unfortunate that these well-executed studies by superb physicians have somehow neglected the approach that would have added more meaning to the term "objective," that is, a controlled study with randomization of patients into operated and nonoperated groups.
In the absence of an appropriately designed controlled study we cannot
DAVID H. SPODICK. Myocardial Revascularization. Ann Intern Med. 1971;74:643–645. doi: 10.7326/0003-4819-74-4-643
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Published: Ann Intern Med. 1971;74(4):643-645.
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