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Psychological profiles derived by cluster analysis of Minnesota Multiphasic Personality Inventory and long term clinical outcome after coronary artery by pass grafting.
MedLine Citation:
PMID:  22928401     Owner:  NLM     Status:  In-Process    
BACKGROUND: To evaluate the psychological characteristics of coronary heart disease (CHD) patients after coronary artery bypass grafting (CABG) by cluster analysis of Minnesota Multiphasic Personality Inventory (MMPI-2) questionnaires and to assess the impact of the profiles obtained on long-term outcome.
METHODS: 229 CHD patients admitted to cardiac rehabilitation filled in self-administered MMPI-2 questionnaires early after CABG. We assessed the relation between MMPI-2 profiles derived by cluster analysis, clinical characteristics and outcome at 3-year follow-up.
RESULTS: Among the 215 patients (76% men, median age 66 years) with valid criteria in control scales, we identified 3 clusters (G) with homogenous psychological characteristics: G1 patients (N = 75) presented somatoform complaints but overall minimal psychological distress. G2 patients (N=72) presented type D personality traits. G3 subjects (N=68) showed a trend to cynicism, mild increases in anger, social introversion and hostility. Clusters overlapped for clinical characteristics such as smoking (G1 21%, G2 24%, G3 24%, p ns), previous myocardial infarction (G1 43%, G2 47%, G3 49% p ns), LV ejection fraction (G1 60 [51-60]; G2 58 [49-60]; G3 60 [55-60], p ns), 3-vessel-disease prevalence (G1 69%, G2 65%, G3 71%, p ns). Three-year event rates were comparable (G1 15%; G2 18%; G3 15%) and Kaplan-Meier curves overlapped among clusters (p ns).
CONCLUSIONS: After CABG, the interpretation of MMPI-2 by cluster analysis is useful for the psychological and personological diagnosis to direct psychological assistance. Conversely, results from cluster analysis of MMPI-2 do not seem helpful to the clinician to predict long term outcome.
Maddalena Modica; Roberta Carabalona; Rosa Spezzaferri; Monica Tavanelli; A Torri; Vittorino Ripamonti; Paolo Castiglioni; Renata De Maria; Maurizio Ferratini
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Monaldi archives for chest disease = Archivio Monaldi per le malattie del torace / Fondazione clinica del lavoro, IRCCS [and] Istituto di clinica tisiologica e malattie apparato respiratorio, Università di Napoli, Secondo ateneo     Volume:  78     ISSN:  1122-0643     ISO Abbreviation:  Monaldi Arch Chest Dis     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-08-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9307314     Medline TA:  Monaldi Arch Chest Dis     Country:  Italy    
Other Details:
Languages:  eng     Pagination:  29-33     Citation Subset:  IM    
Fondazione Don Carlo Gnocchi, UO Cardiologia Riabilitativa, Milan, Italy.
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