Effect of preexisting borderline personality disorder on clinical and EEG sleep correlates of depression |
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Authors: | Jesse Bell Helene Lycaki Don Jones Surendra Kelwala Natraj Sitaram |
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Affiliation: | 1. Jesse Bell, Ph.D. Don Jones, M.D., Surendra Kelwala, M.D., and Natraj Sitaram, M.D., are in the Affective Disorders Unit, and H. Lycaki is in the Department of Psychology, Lafayette Clinic, Detroit, MI, USA;2. Dr. Sitaram is also Associate Professor of Psychiatry, Wayne State University, Detroit, MI, USA |
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Abstract: | Two groups of depressed patients were studied: (1) The first group comprised 15 inpatients who were diagnosed as predominantly “borderline personality disorders” based on DSM-III and psychometric test criteria; these patients were also clinically depressed. (2) The second group consisted of 18 inpatients who met Research Diagnostic Criteria (RDC) for major depressive disorder (MDD) but who failed to meet the above criteria for borderline personality disorder. Subsequent to the selection of patients for study, an independent diagnostic evaluation revealed that MDD patients with borderline personality disorder had higher ratings than nonborderline MDD patients on items from the Schedule for Affective Disorders and Schizophrenia such as total anxiety, anger, schizotypal features, miscellaneous psychopathology, and alcohol and drug abuse. A further breakdown of miscellaneous psychopathology items revealed greater subjective anger, self-pity, and demandingness in borderline patients. A comparison of RDC subtypes in the two groups revealed a significant increase in bipolar II diagnoses in the borderline MDD group. Electroencephalographic (EEG) sleep studies carried out in a subsample of MDD borderline (n=8) and primary MDD nonborderline (n=11) patients revealed no significant differences between the two groups. Thus, in contrast to the EEG sleep findings reported for secondary depression with other antecedent psychiatric disorders, the present study indicated that a preexisting diagnosis of borderline personality disorder in MDD patients did not alter the characteristics short latency of rapid eye movement (REM) sleep and the sleep continuity disturbances reported in primary MDD. These data confirm earlier reports by Akiskal (1981), Carroll et al. (1981), and McNamara et al. (1982) concerning the phenomenological and EEG sleep profiles of borderline patients. |
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Keywords: | Borderline personality disorder major depressive disorder sleep rapid eye movement (REM) latency |
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