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July 27, 1970

Treatment of Unruptured Abdominal Aortic Aneurysms

JAMA. 1970;213(4):629. doi:10.1001/jama.1970.03170300073033

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To the Editor.—  Drs. Baker and Roberts (212:445, 1970) state "... these results (of resection of unruptured abdominal aortic aneurysms) appeared to show a nearly doubled life expectancy of patients subjected to operation when compared to those not operated upon." Their final paragraph contains the statement "... the mere presence of such a lesion (abdominal aortic aneurysm) is the indication for its removal in the large majority of patients." The data they present in no way support these conclusions. Indeed in their communication they say "... there is no comparable series of untreated patients from this institution..." and "... to have meaning, these long-term survival figures must be compared to those available for patients with aneurysms but not operated upon. Such a comparison is difficult as exactly comparable series are not available..."Thus, Drs. Baker and Roberts seem to accept that results derived from comparing