The Effect of Personality Behavior Pattern, Type A and Type B, on Myocardial Ischemia during Daily Life
Iraqi Postgraduate Medical Journal,
2007, Volume 6, Issue 4, Pages 289-293
Type A behavior has been related to coronary heart disease as an independent factor. Therefore, ischemic electrocardiographic (ECG) changes may be more prominent Type A than in Type B individuals .ECG abnormalities were assessed by the cardiac infarction injury score which has predictive power for sudden death(1)
(1) To find out the relationship between length and severity of ischemia in Holter monitoring of myocardial ischemia during daily life and personality (type A and type B) through a study of a sample of patients during a stressful time.
(2)To compare between personality ( type A and type B ) in the findings of Holter monitoring.
Holter ECG was carried out on 80 patients suffering from an ischemic heart disease referred consecutively to the Holter ECG out patient clinic in Al-Kadhmiya Teaching Hospital .
Wail's scale was employed on the patients to know the type of personality.
The results of the study show that there is a significant difference between patients with (personality type A and those with type B) in episodes of painful ischemia but there is no significant difference in terms of severity and length of ischemia between personality types.
Mental stress –induced ischemia had longer total duration and more frequent episodes of ambulatory ischemia episodes(2,3).The study showed that more than half patients were considered Type A .Painful episodes of myocardial ischemia occurred more frequently in Type A patients during a stressful period of ambulatory Holter monitoring compared with Type B.
This study showed that during daily life period that type A personality has more episodes of painful ischemia than type B.
In light of these results, it is recommended that a further study on a larger sample for a longer time is necessary in order to demonstrate more clearly the differences between personality type A and type B.
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