Prediction of cardiac risk in patients undergoing vascular surgery

Journal Article · Sun Mar 01 00:00:00 EST 1987 · Am. J. Med. Sci.; (United States)

DOI:https://doi.org/10.1097/00000441-198703000-00002· OSTI ID:6790944

Morise, A P; McDowell, D E; Savrin, R A; Goodwin, C A; Gabrielle, O F; Oliver, F N; Nullet, F R; Bekheit, S; Jain, A C

In an attempt to determine whether noninvasive cardiac testing could be used to assess cardiac risk in patients undergoing surgery for vascular disease, the authors studied 96 patients. Seventy-seven patients eventually underwent major vascular surgery with 11 (14%) experiencing a significant cardiac complication. Thallium imaging was much more likely to be positive (p less than 0.01) in patients with a cardiac complication; however, there was a significant number of patients with cardiac complications who had a positive history or electrocardiogram for myocardial infarction. When grouped by complication and history of infarction, thallium imaging, if negative, correctly predicted low cardiac risk in the group with a history of infarction. Thallium imaging, however, did not provide a clear separation of risk in those without a history of infarction. Age and coronary angiography, on the other hand, did reveal significant differences within the group without a history of infarction. The resting radionuclide ejection fraction followed a similar pattern to thallium imaging. It is concluded that a positive history of myocardial infarction at any time in the past is the strongest risk predictor in this population and that the predictive value of noninvasive testing is dependent on this factor. Considering these findings, a proposed scheme for assessing risk that will require further validation is presented.

• Research Organization: West Virginia Univ. School of Medicine, Morgantown
• OSTI ID: 6790944
• Journal Information: Am. J. Med. Sci.; (United States), Vol. 3
• Country of Publication: United States
• Language: English

Related Subjects

62 RADIOLOGY AND NUCLEAR MEDICINE
CORONARIES
BIOMEDICAL RADIOGRAPHY
HEART
RADIOISOTOPE SCANNING
MYOCARDIAL INFARCTION
RISK ASSESSMENT
SURGERY
SIDE EFFECTS
VASCULAR DISEASES
AGE DEPENDENCE
PATIENTS
THALLIUM ISOTOPES
ARTERIES
BLOOD VESSELS
BODY
CARDIOVASCULAR DISEASES
CARDIOVASCULAR SYSTEM
COUNTING TECHNIQUES
DIAGNOSTIC TECHNIQUES
DISEASES
ISOTOPES
MEDICINE
NUCLEAR MEDICINE
ORGANS
RADIOLOGY
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