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Diagnostic Stability in Bipolar Disorder: A Follow-up Study in 130,000 Patient-Years
Fanny Cegla-Schvartzman1, Santiago Ovejero1, Jorge López-Castroma2,3
1Department of Psychiatry, Hospital Universitario Fundación Jiménez Díaz, Madrid, Spain.
The Journal of Clinical Psychiatry
|September 16, 2021
Summary
Diagnostic stability for bipolar disorder (BD) is often poor, with frequent shifts to other affective disorders. Achieving stable BD diagnosis can take over 10 years, influenced by factors like hospitalization and age at onset/diagnosis.
Area of Science:
- Psychiatry
- Mental Health Research
- Clinical Epidemiology
Background:
- Diagnostic stability is crucial for effective mental healthcare.
- Bipolar disorder (BD) diagnosis can be challenging and may shift over time.
- Understanding factors influencing diagnostic stability is essential for improving patient outcomes.
Purpose of the Study:
- To evaluate the diagnostic stability of bipolar disorder (BD) in psychiatric outpatient settings.
- To identify socio-demographic variables associated with BD diagnostic stability.
Main Methods:
- Longitudinal analysis of 14,557 patients diagnosed with BD in Madrid's Community Mental Healthcare Centers (1980-2009).
- Assessment of diagnostic consistency using ICD-9/ICD-10 criteria and κ coefficient for temporal consistency.
- Inclusion of patients with at least 10 visits and 1 year of follow-up.
Main Results:
- Low diagnostic stability for BD was observed, with only 18.3% of patients maintaining the diagnosis from first to last evaluation.
- A delay exceeding 10 years was noted for achieving diagnostic stability.
- Common diagnostic shifts involved other affective disorders and anxiety; stability increased with prior hospitalization and specific age at onset/diagnosis ranges.
Conclusions:
- Bipolar disorder diagnosis exhibits significant instability in outpatient settings, necessitating prolonged observation periods.
- Factors such as hospitalization history and age-related metrics influence diagnostic stability.
- Clinical practice should consider these factors to improve diagnostic accuracy and patient management for BD.
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