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Cited by 39Psychosomatic Disorders and Their TreatmentsPersonality Disorders and PsychopathologyPsychoanalysis and Psychopathology Research

Ten-year follow-up study of patients with dissociative identity disorder

Coons, Philip M., Bowman, Eliz abeth S.·2001·Journal of Trauma & Dissociation
DOI 10.1300/j229v02n01_09
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Abstract

Lit tie fol low-up data has been pub lished on in di vid u als with dissociative iden tity dis or der (DID). In this study, DID was di agnosed in 25 pa tients by two sea soned dissociative dis or der clinician/researchers be ginning in 1986. The initial evaluationin cludedacomprehensive med i cal and psy chi at ric eval u a tion and Min ne sota Multiphasic Per sonal ity In ven tory (MMPI). A ten-year fol low-up eval u a tion in eluded the Dissociative Experi ences Scale, Ci vil ian Mis sis sippi PTSD Scale, Beck Inventory for De pres sion, Life Ex pe ri ences Sur vey, the MMPI Hypochondriasis scale, and a dissociative dis or ders fol low-up ques tion naire. The pa tients were also asked to write a nar ra tive about their life and treatment since intake. Twelve patients provided follow-up data. Of these twelve, six ul ti mately achieved full in te gra tion of their per son al ity states, although two of them subsequently dissociated into alter personality states again. The two teen-aged pa tients achieved full in te gra tion within two years, while the older pa tients took con sid er ably Ion ger. Of the patients who elected to con tinue in treat ment for their dissociative dis or der and who con tinued to dis so ci ate into al ter per son al ity states, all have experienced major symptomatic improvement in both dissociative and non-dissociative symptomatology. Of the two therapy dropouts, both con tinue to have dissociative symp toms at fol low-up. We con elude that treatmentforDIDfollowingtreatmentguidelinespromulgated by the International Societyforthe Study of Dis so ciation brings about symptomatic im prove merit in both dissociative and non-dissociative symp toms. Ig noring symp toms of dis so ci a tion, as has been ad vo cated by some, resuits in no im prove ment.

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  • Current standard treatment for DID (three-phase psychodynamic psychotherapy) has a low percentage of patients reaching the third phase (17-33%) and long treatment duration (average 8.4 years).

    “The percentage of patients who reach the third phase of treatment is relatively low [17–33%, (5)] and treatment duration is long, on average 8.4 years (6).”

    From Schema therapy for Dissociative Identity Disorder: a case report (2023) · cites this paper as [5]

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Authors
Coons, P. M., & Bowman, E. A. S.
Affiliations
  • Indiana University School of Medicine (US)
  • In di ana Uni ver sity School ofMedicine
Venue
Journal of Trauma & Dissociation
Publisher
Informa UK Limited
Published
2001-05-24
Volume
2
Issue
1
Pages
73-89
ISSN
  • 1529-9732 (ISSN-L)
  • 1529-9740
DOI
10.1300/j229v02n01_09
OpenAlex
W1002165243
Cited by
39
References
27
Citations by year
2025: 4 · 2023: 4 · 2021: 2 · 2020: 1 · 2018: 3 · 2017: 3 · 2016: 2 · 2015: 1 · 2014: 5 · 2012: 1
FWCI
0.00
Type
journal article
Language
en
Open access
closed
Locations
Journal of Trauma & Dissociation (publishedVersion)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Psychosomatic Disorders and Their Treatments
  • Social Sciences › Psychology › Clinical Psychology › Personality Disorders and Psychopathology
  • Social Sciences › Psychology › Clinical Psychology › Psychoanalysis and Psychopathology Research
Keywords
dissociative identity disorder, long-term follow-up, dissociative symptoms, treatment outcomes, treatment discontinuation, dissociative disorders, depression, health anxiety

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