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S450

24th European Congress of Psychiatry / European Psychiatry 33S (2016) S349–S805

during which the full symptom criteria, for a manic, hypomanic

or a depressive episode had been met. He was also reported to be

hyperactive, impulsive, and had difficulty concentrating and focus-

ing since he was seven. Laboratory evaluations were within normal

limits. Results of screening forms provided by parents and teachers

supported the presence of attention deficit and hyperactivity dis-

order (ADHD). ASRS, YMRS, STAXI, SCID-I, Diagnostic Interview for

Adult ADHD (DIVA) were the psychometric evaluations carried out

in order better to characterize the clinical situation.

Results

He was considered as fulfilling DSM-5 criteria for

ADHD and DMDD, and started on sertraline 50mg/day and

OROS methylphenidate 36mg/day. At the following visits, temper

tantrums were much reduced and there were moderate improve-

ment in ADHD symptoms.

Conclusions

By defining the adult manifestations of DMDD accu-

rately, clinicians will be able to improve diagnosis and care.

Disclosure of interest

The authors have not supplied their decla-

ration of competing interest.

http://dx.doi.org/10.1016/j.eurpsy.2016.01.1302

EV318

Clinical manifestations in patients

with acute and transient psychosis

Á. López Díaz

1 ,

, A. Soler Iborte

2

, S. Galiano Rus

1

,

J.L. Fernández González

1

, J.I. Aznarte López

2

1

Hospital San Juan de la Cruz, Mental Health Services, Úbeda, Spain

2

Hospital San Agustín, Mental Health Services, Linares, Spain

Corresponding author.

Introduction

The term, acute and transient psychosis, is com-

prehended as a heterogeneous group of disorders, which share,

as a common feature, the abrupt and brief deployment of

typical psychotic behaviour, either polymorph, delusional, or

schizophreniform. This diversity of symptoms may also be present

in other psychotic disorders, for which, some authors question its

reliability.

Objetive

To analyse the clinical manifestations present in acute

and transient psychotic disorders (ATPD), and determine the dif-

ferences between its different subcategories.

Method

Retrospective chart review study of adult patients

admitted in our psychiatric unit between 2011 and 2015, with a

mean diagnosis of ATPD at hospital discharge. Diagnostic criteria

was according to the International Classification of Diseases (ICD-

10). Symptoms were divided under operative procedures, as set

out in psychopatologic descriptions. For methodological reasons,

statistical analysis was conducted between polymorphic features

group (PM) and nonpolymorphic group (NPM). Chi-squared test

and Fisher’s exact test (as appropriate) were performed, usingMed-

Calc software.

Results

Thirty-nine patients met the inclusion criteria. Acute

polymorphic psychotic disorder with and without symptoms of

schizophrenia (39%), acute schizophrenia-like psychotic disorder

(20%), acute predominantly delusional psychotic disorder (23%),

other and NOS (18%). There were statistically significant differ-

ences between PM and NPM groups in emotional turmoil (>PM,

P

= 0.0006), grossly disorganized or abnormal motor behaviour

(>PM,

P

= 0.0038), and type of onset (sudden >PM,

P

= 0.0145).

Conclusion

Currently, the same concept encompasses two cate-

gories (PM and NPM) to be differentiated. The ATPD construct is

under review, due its long-term instability.

Disclosure of interest

The authors have not supplied their decla-

ration of competing interest.

http://dx.doi.org/10.1016/j.eurpsy.2016.01.1303

EV319

Gender differences in acute and

transient psychotic disorder

Á. López Díaz

1 ,

, S. Galiano Rus

1

, A. Soler Iborte

2

,

J.L. Fernández González

1

, J.I. Aznarte López

2

1

Hospital San Juan de la Cruz, Mental Health Services, Úbeda, Spain

2

Hospital San Agustín, Mental Health Services, Linares, Spain

Corresponding author.

Introduction

In the recent decades, there is a growing interest in

gender differences in psychotic disorders. Also, in the field of acute

and transient psychosis, according to various studies, women seem

to have higher prevalence and long-term diagnostic stability.

Objectives

To determine whether there are gender differences in

clinical features of acute and transient psychotic disorders (ATPD).

Methods

Descriptive cross-sectional study in the adult patients

with ATPDwere admitted between 2011 and 2015 in our acute psy-

chiatricward. Diagnostic criteriawas according to the International

Classification of Diseases (ICD-10). Descriptive and inferential

statistic procedures for clinical symptoms and diagnostic subcat-

egories were performed, using the MedCalc software, version 15.8.

Results

Thirty-nine patients met the inclusion criteria. Males

were (MG) 41%, females (FG) 59%. There were some statistically

significant differences between gender in the polymorphic features

group (>FG,

P

= 0.048), and in the presence of acute stress (>FG,

P

= 0.0277). Length of stay was also different, but without statis-

tical significance (>MG,

P

= 0.0607). In contrast, symptomatic sets,

family history of psychosis, and type of onset (sudden or acute)

were similar for both groups.

Conclusions

The gender differences seem to be in favour of a

higher prevalence of polymorphic psychotic symptoms, in relation

to stressful events in women. Somehow, these factors could be a

condition, which would determine a greater diagnostic stability in

female patients, even in cases of recurrences.

Disclosure of interest

The authors have not supplied their decla-

ration of competing interest.

http://dx.doi.org/10.1016/j.eurpsy.2016.01.1304

EV320

Clinical and functional impact of

differences between the diagnostic

criteria of DSM IV-TR and DSM V for

mental retardation: A case report

B. Navarro

1 ,

, M. Torres

2

1

Red de Salud Mental de Bizkaia, Barakaldo CSM, Bilbao, Spain

2

Red de Salud Mental de Bizkaia, Zaldibar Psychiatry Hospital,

Bilbao, Spain

Corresponding author.

Introduction

The new edition of the DSM has introduced some

changes involving differences, sometimes significant, in the con-

ceptualization and classification of mental pathology. One of the

most important has been the case of mental retardation.

Objectives and aims

Discuss, with a clinical and pragmatic per-

spective, the relevance of those changes in the diagnosis and

classification of mental retardation in DSM.

Methods

A 45-year-old woman diagnosed with mental retarda-

tion is admitted in a psychiatric rehabilitation unit for behavioral

disorders and psychotic symptoms. Once controlled the symptoms

and studied the patient, a disability not corresponding with the

diagnosis presented (mild mental retardation according to DSM IV)

is shown. Clinicians start a reevaluation of the diagnosis.

Results

A comprehensive rehabilitation programaccording to the

pathology and deterioration of the patient is designed. With the

diagnosis review is possible to find new resources and community

programs, better fit for the patient needs.