Why the study?
Does pre-operative intellectual efficiency predict short-term cognitive changes in patients undergoing coronary artery surgery?
Does pre-operative intellectual efficiency predict short-term cognitive changes in patients undergoing coronary artery surgery?
Pre-operative intellectual efficiency scales correlate with baseline cognitive function but do not predict short-term post-operative cognitive changes in patients undergoing coronary artery surgery.
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Pre-operative MMPI intelligence scales do not predict short-term cognitive changes after coronary surgery; hypothesis-generating and should not yet inform risk stratification.
Two MMPI scales of intelligence measuring intellectual efficiency ( Ie and Iq) were significantly correlated with WAIS IQ, Wechsler Memory Scale memory, and Bender-Gestalt errors for a sample of 102 patients undergoing coronary artery surgery ( rs = .54 to .36). Pre-operative intellectual efficiency was not predictive of changes in intelligence, memory, and perceptual-motor ability assessed six days post-operatively. The intellectual efficiency scales were also positively correlated with adjustment as measured by MMPI basic scales and Dependency ( Dy), Ego Strength ( Es) and Manifest Anxiety ( At) scales.
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Allen E. Shealy (1978) studied this question.
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