Longitudinal Course of Physical and Psychosocial Impairment in Patients With Borderline Personality Disorder and Personality-Disordered Comparison Subjects: Description and Prediction. — ME/CFS Atlas
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Longitudinal Course of Physical and Psychosocial Impairment in Patients With Borderline Personality Disorder and Personality-Disordered Comparison Subjects: Description and Prediction.
Glass, Isabel V, Frankenburg, Frances R, Fitzmaurice, Garrett M et al. · Journal of personality disorders · 2024 · DOI
Quick Summary
This study followed 282 people with borderline personality disorder (BPD) and other personality disorders for 8 years to see how their physical and mental health changed over time. People with BPD reported significantly more physical and emotional difficulties than the comparison group, and those who didn't recover had worse outcomes. The study found that certain conditions—like chronic fatigue syndrome, osteoarthritis, obesity, depression, and PTSD—were strongly linked to physical health problems in BPD patients.
Why It Matters
This study is relevant to ME/CFS research because it identifies chronic fatigue syndrome as a significant predictor of physical impairment in a psychiatric population, highlighting the complex relationship between psychiatric conditions and fatigue-related illnesses. Understanding how CFS intersects with personality disorders and other comorbidities may help inform more comprehensive treatment approaches for patients experiencing both conditions.
Observed Findings
BPD patients reported significantly greater physical and psychosocial impairment than OPD comparison patients across all measured domains over 8 years.
Nonrecovered BPD patients showed significantly more impairment than recovered BPD patients across the follow-up period.
Chronic fatigue syndrome was identified as one of three medical conditions significantly predicting physical impairment in BPD patients.
Osteoarthritis and obesity were also significant medical predictors of physical impairment in BPD patients.
Mood disorder and PTSD were the two psychiatric conditions most strongly associated with physical impairment in BPD patients.
Inferred Conclusions
BPD patients experience persistent and serious physical and psychosocial functioning impairment that continues over an 8-year period.
Physical impairment in BPD patients is substantially influenced by comorbid medical and psychiatric conditions rather than being solely attributable to BPD itself.
Chronic fatigue syndrome represents a clinically important comorbidity affecting physical functioning in BPD populations.
Remaining Questions
What is the causal or mechanistic relationship between BPD and the identified comorbidities, particularly chronic fatigue syndrome?
What This Study Does Not Prove
This study does not establish that BPD causes chronic fatigue syndrome or vice versa—it only shows they co-occur. The study does not explain the mechanisms by which these conditions interact or whether one condition predisposes patients to develop the other. The findings are specific to BPD populations and may not generalize to ME/CFS patients without personality disorder diagnoses.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
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