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(New page: {{ClinPsy}} '''Recurrent Brief Depression (RBD)''' defines a mental disorder characterized by intermittent depressive episodes, in women not related to menstrual cycles, occurring at least...)
 
 
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{{ClinPsy}}
 
{{ClinPsy}}
'''Recurrent Brief Depression (RBD)''' defines a mental disorder characterized by intermittent depressive episodes, in women not related to menstrual cycles, occurring at least once a month over at least one year or more fulfilling the diagnostic criteria for major depressive episodes (DSM-IV and ICD-10) except for duration which in RBD is less than 14 days, typically 2-4 days. Despite the short duration of the depressive episodes, such episodes are severe and suicidal ideation and impaired function is rather common. The majority of patients with RBD also report symptoms of anxiety and increased irritability. Hypersomnia is also rather frequent. About 1/2 of patients fulfilling diagnostic criteria for RBD may have additional short episodes of brief hypomania which is a severity marker of RBD. RBD may be the only mental disorder present, but RBD may also occur as part of a history of recurrent major depressive episodes og bipolar disorders. RBD is also seen among some patients with personality disorders.
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'''Recurrent Brief Depression (RBD)''' defines a [[mental disorder]] characterized by intermittent [[depressive episodes]], in women not related to [[menstrual cycle]]s, occurring at least once a month over at least one year or more fulfilling the diagnostic criteria for major depressive episodes (DSM-IV and ICD-10) except for duration which in RBD is less than 14 days, typically 2-4 days.
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==Symptoms==
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Despite the short duration of the depressive episodes, such episodes are severe and [[suicidal ideation]] and impaired function is rather common. The majority of patients with RBD also report symptoms of [[anxiety]] and increased [[irritability]]. [[Hypersomnia]] is also rather frequent. About 1/2 of patients fulfilling diagnostic criteria for RBD may have additional short episodes of brief [[hypomania]] which is a severity marker of RBD. RBD may be the only mental disorder present, but RBD may also occur as part of a history of recurrent major depressive episodes og [[bipolar disorder]s. RBD is also seen among some patients with [[personality disorders]].
   
 
==Prevalence==
 
==Prevalence==
   
The lifetime prevalence of RBD has been estimated at 2.6 to 10.0%, and the one-year prevalence at 5.0-8.2%) The World Health Organization project on “Psychological problems in general health care”, which was based on primary care samples, reported a one-year prevalence of 3.7 – 9.9 %. However none of these studies differentiate between RBD with and without a history of other mood disorders (e.g. major depression). DSM-IV field trial estimated the life-time of RBD only to be about 2%.
+
The [[lifetime prevalence]] of RBD has been estimated at 2.6 to 10.0%, and the [[one-year prevalence]] at 5.0-8.2%) The [[World Health Organization]] project on “Psychological problems in general health care”, which was based on primary care samples, reported a one-year prevalence of 3.7 – 9.9 %. However none of these studies differentiate between RBD with and without a history of other mood disorders (e.g. major depression). DSM-IV field trial estimated the life-time of RBD only to be about 2%.
   
 
==Cause==
 
==Cause==
   
The cause (etiology) of RBD is unknown, but recent findings may suggest a link between RBD and bipolar disorders, pointing to the importance of genetic factors. A small sub-group of patients with RBD has temporal lobe epilepsy.
+
The cause (etiology) of RBD is unknown, but recent findings may suggest a link between RBD and bipolar disorders, pointing to the importance of genetic factors. A small sub-group of patients with RBD has [[temporal lobe epilepsy]].
   
 
==Treatment==
 
==Treatment==
   
Both psychotherapy as well as different drugs (e.g. serotonin reuptake inhibitors - SSRIs or mood stabilizers, e.g. litium, antiepileptics) have been suggested as treatments.However, no randomized controlled treatment trial of RBD has been conducted.
+
Both psychotherapy as well as different drugs (e.g. [[serotonin reuptake inhibitors]] - SSRIs or mood stabilizers, e.g. [[litium]], [[antiepileptics]]) have been suggested as treatments.However, no [[randomized controlled treatment trial]] of RBD has been conducted.
   
 
==History of the concept==
 
==History of the concept==
   
Disorders characterized by periods with depressive episodes lasting hours to days have been described since 1852 and have been labelled “periodic melancholia”, “intermittent depressive disorder” or “very brief depression”. The third version of the Diagnostic and Statistical Manual of mental disorders (1980), which relied heavily on findings from studies conducted in psychiatric in- and out-patient settings, required at least 14 days duration for a diagnosis of depression. No diagnostic category was allocated a depressive episode of shorter duration. Thus, intermittent depressive disorder, included in the Research Diagnostic Criteria (1975)was considered to identify minor versions of major depression (“minor depression”) and not included in the DSM-III. However, based on data from epidemiological studies, the Swiss psychiatrist and researcher, Jules Angst, coined the concept “recurrent brief depression” (RBD) and provided diagnostic criteria for this type of mood disorder in 1985. Several other European studies independently confirmed the occurrence of RBD in the general population and clinical samples. RBD was thus included in the 10th classification of mental and behavioural disorders (ICD-10 F38.1)published by the World Health Organization in 1992 (WHO, 1992; WHO, 1993). Less frequent episodes of brief depressions were labelled infrequent brief depression and not included in ICD-10. The american classification system of mental disorders, DSM-IV (1994), provided provisional diagnostic criteria for RBD, but decided to await further studies before including RBD in the classification system. The fate of RBD in DSM-V, expected to occur in 2012, is not known.
+
Disorders characterized by periods with depressive episodes lasting hours to days have been described since 1852 and have been labelled “periodic melancholia”, “intermittent depressive disorder” or “very brief depression”. The third version of the [[Diagnostic and Statistical Manual of Mental Disorders]] (1980), which relied heavily on findings from studies conducted in psychiatric in- and out-patient settings, required at least 14 days duration for a diagnosis of depression. No diagnostic category was allocated a depressive episode of shorter duration. Thus, intermittent depressive disorder, included in the Research Diagnostic Criteria (1975)was considered to identify minor versions of major depression (“minor depression”) and not included in the DSM-III. However, based on data from epidemiological studies, the Swiss psychiatrist and researcher, Jules Angst, coined the concept “recurrent brief depression” (RBD) and provided diagnostic criteria for this type of mood disorder in 1985. Several other European studies independently confirmed the occurrence of RBD in the general population and clinical samples. RBD was thus included in the 10th classification of mental and behavioural disorders (ICD-10 F38.1)published by the World Health Organization in 1992 (WHO, 1992; WHO, 1993). Less frequent episodes of brief depressions were labelled infrequent brief depression and not included in ICD-10. The american classification system of mental disorders, DSM-IV (1994), provided provisional diagnostic criteria for RBD, but decided to await further studies before including RBD in the classification system. The fate of RBD in DSM-V, expected to occur in 2012, is not known.
   
 
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Latest revision as of 14:22, December 12, 2008

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Recurrent Brief Depression (RBD) defines a mental disorder characterized by intermittent depressive episodes, in women not related to menstrual cycles, occurring at least once a month over at least one year or more fulfilling the diagnostic criteria for major depressive episodes (DSM-IV and ICD-10) except for duration which in RBD is less than 14 days, typically 2-4 days.

SymptomsEdit

Despite the short duration of the depressive episodes, such episodes are severe and suicidal ideation and impaired function is rather common. The majority of patients with RBD also report symptoms of anxiety and increased irritability. Hypersomnia is also rather frequent. About 1/2 of patients fulfilling diagnostic criteria for RBD may have additional short episodes of brief hypomania which is a severity marker of RBD. RBD may be the only mental disorder present, but RBD may also occur as part of a history of recurrent major depressive episodes og [[bipolar disorder]s. RBD is also seen among some patients with personality disorders.

PrevalenceEdit

The lifetime prevalence of RBD has been estimated at 2.6 to 10.0%, and the one-year prevalence at 5.0-8.2%) The World Health Organization project on “Psychological problems in general health care”, which was based on primary care samples, reported a one-year prevalence of 3.7 – 9.9 %. However none of these studies differentiate between RBD with and without a history of other mood disorders (e.g. major depression). DSM-IV field trial estimated the life-time of RBD only to be about 2%.

CauseEdit

The cause (etiology) of RBD is unknown, but recent findings may suggest a link between RBD and bipolar disorders, pointing to the importance of genetic factors. A small sub-group of patients with RBD has temporal lobe epilepsy.

TreatmentEdit

Both psychotherapy as well as different drugs (e.g. serotonin reuptake inhibitors - SSRIs or mood stabilizers, e.g. litium, antiepileptics) have been suggested as treatments.However, no randomized controlled treatment trial of RBD has been conducted.

History of the conceptEdit

Disorders characterized by periods with depressive episodes lasting hours to days have been described since 1852 and have been labelled “periodic melancholia”, “intermittent depressive disorder” or “very brief depression”. The third version of the Diagnostic and Statistical Manual of Mental Disorders (1980), which relied heavily on findings from studies conducted in psychiatric in- and out-patient settings, required at least 14 days duration for a diagnosis of depression. No diagnostic category was allocated a depressive episode of shorter duration. Thus, intermittent depressive disorder, included in the Research Diagnostic Criteria (1975)was considered to identify minor versions of major depression (“minor depression”) and not included in the DSM-III. However, based on data from epidemiological studies, the Swiss psychiatrist and researcher, Jules Angst, coined the concept “recurrent brief depression” (RBD) and provided diagnostic criteria for this type of mood disorder in 1985. Several other European studies independently confirmed the occurrence of RBD in the general population and clinical samples. RBD was thus included in the 10th classification of mental and behavioural disorders (ICD-10 F38.1)published by the World Health Organization in 1992 (WHO, 1992; WHO, 1993). Less frequent episodes of brief depressions were labelled infrequent brief depression and not included in ICD-10. The american classification system of mental disorders, DSM-IV (1994), provided provisional diagnostic criteria for RBD, but decided to await further studies before including RBD in the classification system. The fate of RBD in DSM-V, expected to occur in 2012, is not known.


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