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Acute Stress Disorder and Posttraumatic Stress Disorder Key Messages Traumatic Events Events that involve actual or threatened death or serious injury (real or perceived) to self or others (e.g., accidents, assault, natural disasters and wars) and evoke feelings of fear, helplessness or horror. Certain events (e.g., interpersonal violence, direct life threat and prolonged duration) are more likely to result in a traumatic response. ASD and PTSD ASD and PTSD are disorders characterised by symptoms that include distressing re-experiencing and active avoidance of the traumatic memories, emotional numbing and hyperarousal. (See Additional Information for diagnostic criteria). Psychological First Aid In the immediate aftermath of trauma, practitioners should monitor the person’s mental state and provide tailored support. This includes attending to the person’s practical needs and encouraging the use of existing coping strategies and social supports. Screening ASD and PTSD are treatable disorders often missed in clinical practice. Screening is an important means of rectifying this and facilitating appropriate care (see Quick Guide). Therapy Trauma-focussed psychological therapy is the most effective treatment for people who develop ASD and PTSD. Symptom Trajectory Most people recover after a traumatic event without serious problems. Some develop more severe and persistent symptoms like PTSD. Those who develop chronic PTSD (i.e., lasting longer than three months) are unlikely to improve without effective treatment. Medication Where medication is required for the treatment of PTSD in adults, selective serotonin reuptake inhibitor antidepressants should be considered as the first choice. Prevalence Around 15–25% of people who experience a potentially traumatic event (PTE) may develop PTSD making it one of the most common anxiety disorders. Other Disorders Following Trauma Other common mental health disorders that people can develop following exposure to a traumatic event include depression, substance abuse and other anxiety disorders. T H E R O YA L AUSTRALIAN AND NEW ZEALAND C O L L E G E O F P S Y C H I AT R I S T S This brochure is based on: The Australian Guidelines for Treatment of Adults with Acute Stress Disorder and Posttraumatic Stress Disorder. For a complete copy of the Guidelines please refer to: www. acpmh.unimelb. edu.au/resources/ resources-guidelines.html This brochure is intended to assist practitioners in providing best practice clinical care for persons with ASD and PTSD. It is to be followed subject to the medical practitioner’s judgment in each individual case. The Guidelines include advice on issues pertaining to special populations and trauma types. Please see the following publications for more information about the Guidelines: Treating adults with acute stress disorder (ASD) and posttraumatic stress disorder (PTSD) in primary care: A clinical update. The Medical Journal of Australia, (2007) 187 (2), 120-123. The Australian guidelines for the treatment of adults with acute stress disorder (ASD) and posttraumatic stress disorder (PTSD). The Australia and New Zealand Journal of Psychiatry, (2007) 41, 637-648. The Australian Centre for Posttraumatic Mental Health (ACPMH) would like to thank the Australian Government Department of Veterans’ Affairs for funding the development of this brochure. These Guidelines are endorsed by the Royal Australian College of General Practitioners, the Royal Australian and New Zealand College of Psychiatrists and the Australian Psychological Society. For more information: www.acpmh.unimelb.edu.au [email protected] Recent Trauma (Within two weeks of trauma exposure) Psychological first aid Monitor the person’s mental state and screen for ASD and PTSD (see Quick Guide). Support the person’s use of adaptive coping strategies (e.g., enlisting the support of family and friends), as well as his or her own coping strategies if they seem helpful. Encourage the person to re-engage in normal routines. Also: • Attend to any injuries or physical health concerns. • Ensure basic needs are met (e.g., housing, safety). CONTINUED DISTRESS Most people recover from initial psychological distress. However, if distress/symptoms persist for more than two weeks, consider diagnosis of ASD/PTSD. Symptoms may include: • Distressing or unwanted memories of the trauma • Avoidance of reminders and memories • Hyperarousal Risk factors for developing ASD/PTSD include: • Exposure to severe trauma • Lack of social supports and other stressful life events • A past history of trauma and/or previous psychiatric disorder TALKING ABOUT THE TRAUMA EXPERIENCE Support those who want or need to talk about the experience. Do not push those who prefer not to talk about the experience. REFERRAL GPs have an important role in referral and care coordination. Referrals to psychiatry, psychology and allied health professionals can be made under Medicare arrangements which may include completion of a mental health care plan. When referring for psychological interventions, consider referring to practitioners trained in trauma-focussed interventions (e.g., CBT). Referral for mental health care under third party funding arrangements should be considered where appropriate. ASD/PTSD Suspected or diagnosed (ASD can be diagnosed between two days to four weeks following trauma. PTSD can be diagnosed from four weeks onward.) SUPPORT AND SCREEN Encourage, and if necessary facilitate, engagement with social supports. Stabilise and introduce simple stress or anxiety management strategies (e.g., controlled breathing, exercise or other coping strategies). Screen for ASD and PTSD (see Quick Guide). REFER OR PROVIDE: ASSESSMENT Conduct a thorough assessment of ASD/PTSD, including comorbid diagnoses such as depression, substance use disorders, safety issues, physical health, social and vocational functioning, and social supports. The Posttraumatic Checklist (PCL) can be used to assess all PTSD diagnostic criteria. TREATMENT First line treatment is trauma-focussed psychological therapy. This includes addressing the traumatic memory and the use of in vivo exposure (for details see Additional Information). Training in the use of trauma-focussed treatment is recommended. If one form of trauma-focussed therapy fails to produce a sufficient response, consider another and/or the use of pharmacotherapy. Trauma-focussed therapy should be embedded in a treatment plan that includes stabilisation, psycho-education, symptom management and attention to key relationships and roles. therapy alternatives Where no trauma-focussed psychological therapies are effective, available, or acceptable to the person, consider referral for nontrauma-focussed interventions (e.g., anxiety management) and/or pharmacotherapy. PHARMACOTHERAPY CHOICES 1 2 3 SSRI antidepressants (evidence does not distinguish a preferred SSRI) Other newer antidepressants or tricyclic antidepressants MAOI antidepressants (preferably by a psychiatrist) Where symptoms have not responded to antidepressant treatment, controlled studies have demonstrated potential benefits of adjunctive atypical anti-psychotics (preferably by a psychiatrist). Increase dose if non-responsive, being mindful of side effects. If effective, provide 12-month initial course. Stopping antidepressants should be via gradual weaning. Only use as first line if trauma-focussed psychological therapy is not available. Pharmacotherapy should always be supported by optimal psychotherapy. PTSD with comorbidity Priorities for treatment of comorbid disorders PTSD and Depression Treat PTSD first when depression is mild to moderate as depression will often improve as PTSD symptoms reduce. If depression symptoms are severe, however, they should be treated first to minimise suicide risk and improve the ability of the person to tolerate therapy. PTSD and Substance Use Disorders: Treat both simultaneously because the two are likely to interact to maintain each other. When treating simultaneously, the substance use should be controlled before the trauma-focussed component of PTSD treatment begins. When people present with substance dependence, intoxication or acute withdrawal, the substance disorder should be treated first. MANAGING COMPLICATIONS AND PERSISTING PROBLEMS Safety People with PTSD may have fluctuating or continued severe distress and significant potential for self-harm (see Severe Distress). These people should be referred for urgent psychiatric care and stabilisation. Treatment Primary treatment interventions still apply but may involve multiple practitioners (e.g., GP, psychologist, psychiatrist and social/vocational rehabilitation consultants). A high level of communication and coordination of interventions is essential. Treatment review If a person’s PTSD symptoms appear to be resistant to change, the following aspects of treatment should be revised where necessary: • Consider whether the skill-set and experience of the treating practitioner are adequate for the treatment of the persisting problems. • Consider referral for a second opinion. • Consider whether the duration, intensity and setting of treatment are appropriate. SEVERE DISTRESS If a person presents with severe distress at any stage, particularly if they express thoughts about self-harm or suicide, appropriate steps to ensure safety include psychiatric care or hospitalisation. Other indicators of severe distress include severe insomnia, agitation, dissociation and social withdrawal. Acute treatment may involve pharmacotherapy using sedating, calming or antidepressant medication. Long term use of benzodiazepines is not recommended. They do not treat the underlying condition and involve risk of dependency. ADDITIONAL INFORMATION What is trauma-focussed psychological therapy? First line treatment should be trauma-focussed therapy (trauma-focussed cognitive behaviour therapy (CBT) or eye movement desensitisation and reprocessing (EMDR) in addition to in vivo exposure). Key elements of trauma-focussed psychological therapy Addressing the traumatic memory in a controlled and safe environment (imaginal exposure) Confronting avoided situations, people or places in a graded and systematic manner (in vivo exposure) Identifying, challenging and modifying biased or distorted thoughts and interpretations about the event and its meaning (cognitive therapy) As the available evidence does not support the importance of the eye movements per se in EMDR, treatment gains are more likely to be due to the engagement with the traumatic memory, cognitive processing and rehearsal of coping and mastery responses Treatment duration Within the overall course of treatmment, 8–12 sessions of trauma-focussed treatment are generally needed but more may be required for more severe or complex cases. Ninety minutes should be allowed for sessions that involve imaginal exposure. The development of a robust therapeutic alliance may require extra time for people who have experienced prolonged and/or repeated traumatic exposure. Further sessions may be required where: •there are several problems that arise from multiple traumatic events; •PTSD co-occurs with traumatic bereavement; or •PTSD is chronic and associated with significant disability and comorbidity. Psychosocial rehabilitation To reduce the likelihood of an enduring disability, people with ASD and PTSD should be actively encouraged to return to their normal social and occupational roles as quickly as they feel able and in an appropriately managed way. This may mean that they will continue to experience symptoms, albeit at reduced levels, as they return to previous roles. There should be a focus on psychosocial rehabilitation from the beginning of treatment. SPECIFIC POPULATIONS AND TRAUMA TYPES For more information on specific populations (Aboriginals and Torres Strait Islanders, refugees and asylum seekers, military and emergency service personnel, motor vehicle accident and other injury survivors, victims of crime, sexual assault, natural disasters, survivors of terrorism) download the PDF on these populations under publications and resources at www.acpmh.unimelb.edu.au/for_professionals.html DSM-IV Criteria for PTSD A1. The person experienced, witnessed, or was confronted with an event that involved actual or threatened death or serious injury to self or others. A2. The person’s response involved intense fear, helplessness or horror. B. Re-experiencing (1 required) C. Avoidance / Numbing (3 required) D. Hypervigilance (2 required) 1. Recurrent and intrusive distresssing recollections of the event, including images, thoughts or perceptions 1. Efforts to avoid thoughts, feelings or conversations associated with the event 1. Difficulty falling or staying asleep 2. Recurrent distressing dreams of the event 2. Efforts to avoid activities, places or people that arouse recollections of the event 3. Acting or feeling as if the event were re-occurring 3. Inability to recall an important aspect of the event 4. Intense psychological distress at exposure to internal or external cues that symbolise or resemble an aspect of the event 4. Markedly diminished interest or participation in significant activities 5. Psychological reactivity on exposure to internal or external cues that symbolise or resemble an aspect of the event 2. Irritability or outbursts of anger 3. Difficulty concentrating 4. Hypervigilance 5. Exaggerated startle response 5. Feeling of detachment or estrangement from others 6. Restricted range of affect (e.g., unable to have loving feelings) 7. Sense of foreshortened future (e.g., does not expect to have a normal lifespan) E. Duration of the symptoms (criteria B, C and D) is more than 1 month. F. The symptoms cause clinically significant stress or impairment in social, occupational, or other important areas of functioning. Quick Guide for ASD and PTSD If the person reports having experienced a potentially traumatic event: Is it a recent trauma (within the first 2 weeks)? If yes, provide Psychological First Aid: • Monitor mental state and stabilise if required • Encourage re-engagement in routines and use of social supports • Ensure basic needs are met (e.g., housing, safety) • Review in a week or two If symptoms do not settle following the first 2 weeks, or if the trauma is not recent: • Assess for ASD or PTSD (ASD can be diagnosed between 2 days and 4 weeks; PTSD from 4 weeks onwards) – see brief screen below • Consider comorbidity e.g., depression, substance abuse (see PTSD with Comorbidity for treatment sequencing) • Ensure stabilisation and safety • Refer for (or provide if appropriate) trauma-focussed therapy (see Additional Information) • Consider pharmacotherapy • Encourage resumption or maintenance of family and work roles as far as functioning allows Screen for PTSD (Prins, et al., 2004, Primary Care Psychiatry) In your life, have you ever had any experience that was so frightening, horrible, or upsetting that, in the past month, you: 1. Have had nightmares about it or thought about it when you did not want to? 2. Tried hard not to think about it or went out of your way to avoid situations that reminded you of it? 3. Were constantly on guard, watchful, or easily startled? 4. Felt numb or detached from others, activities, or your surroundings? If two or more are answered with “yes”, a diagnosis of PTSD is probable. A copy of the screen for PTSD is available at www.acpmh.unimelb.edu.au/trauma/ptsd.html#screening For a more complete scale including all 17 PTSD symptoms see the PTSD Checklist (PCL). This scale is useful for diagnostic purposes and monitoring change over time. Quick Guide for ASD and PTSD How do I make a referral? Referrals to psychiatry, psychology, and allied health care can be made under Medicare arrangements. This should include completion of a mental health plan. Referral for mental health care under third party funding arrangements should be considered where appropriate. To whom? Practitioners trained in trauma-focussed interventions (e.g., CBT) are preferred. • Psychologists: A list of psychologists can be found at: www.psychology.org.au/findapsychologist • Psychiatrists: A list of psychiatrists can be found at: www.racgp.org.au/scriptcontent/ranzcpcomplex.cfm?section=psychiatrist_referral_directory • Social workers and other allied health professionals with mental health training Mental health plan • Consider recommendations regarding trauma-focussed CBT for required treatments. See Additional Information when completing mental health plans. • In addition to the K10, consider including the PTSD Checklist (PCL). It can also be used for re-assessment to monitor progress at treatment review. • Focus on psychosocial rehabilitation: emphasise functional outcomes (e.g., social and vocational goals) from the outset. Screening for traumatic events GPs should also ask about past traumatic events where a person has repeated non-specific health problems. A good opening question is: Have you ever experienced a particularly frightening or upsetting event? It is often useful to ask about specific events that the person may have experienced, such as the following: • • • • • • • • • • • Serious accident (like a car accident or industrial accident) Natural disaster (like a fire or flood) Physical attack or assault Sexual assault Seeing somebody being badly hurt or killed Domestic violence or abuse Physical or emotional abuse as a child Being threatened with a weapon or held captive War (as a civilian or in the military) Torture or an act of terrorism Any other extremely stressful or upsetting event T H E R O YA L AUSTRALIAN AND NEW ZEALAND C O L L E G E O F P S Y C H I AT R I S T S