What exactly is Posttraumatic stress disorder? Posttraumatic stress disorder (PTSD) is a type of an anxiety disorder. It usually develops as a result of a terribly frightening, life-threatening, or otherwise highly unsafe experience. PTSD sufferers re-experience the traumatic event or events in some way, tend to avoid places, people, or other things that remind them of the event (avoidance), and are exquisitely sensitive to normal sensory life experiences (hyperarousal). Although this condition has likely existed since human beings have endured trauma, PTSD has only been recognized as a formal diagnosis since 1980. However, it was called by different names as early as the American Civil War, when combat veterans were referred to as suffering from "soldier's heart." In World War I, symptoms that were generally consistent with this syndrome were referred to as "combat fatigue." Soldiers who developed such symptoms in World War II were said to be suffering from "gross stress reaction," and many troops in Vietnam who had symptoms of what is now called PTSD were assessed as having "post-Vietnam syndrome." PTSD has also been called "battle fatigue" and "shell shock."
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PTSD statistics in children and teens reveal that up to more than 40% have endured at least one traumatic event, resulting in the development of PTSD in up to 15% of girls and 6% of boys. On average, 3%-6% of high school students in the United States and as many as 30%-60% of children who have survived specific disasters have PTSD. Up to 100% of children who have seen a parent killed or endured sexual assault or abuse tend to develop PTSD, and more than one-third of youths who are exposed to community violence (for example, a shooting, stabbing, or other assault) will suffer from the disorder.
Although not all individuals who have been traumatized develop PTSD, there can be significant physical consequences of being traumatized. For example, research indicates that people who have been exposed to an extreme stressor sometimes have a smaller hippocampus (a region of the brain that plays a role in memory) than people who have not been exposed to trauma. This is significant in understanding the effects of trauma in general and the impact of PTSD, specifically since the hippocampus is the part of the brain that is thought to have an important role in developing new memories about life events. Also, whether or not a traumatized person goes on to develop PTSD, they seem to be at risk for higher use of cigarettes, alcohol, and marijuana. Conversely, people whose PTSD is treated also tend to have better success at overcoming a substance-abuse problem.
What are the effects of PTSD?
Symptoms in women with PTSD who are pregnant include having other emotional problems, poor health behaviors, and memory problems. Women who were sexually abused at earlier ages are more likely to develop complex PTSD and borderline personality disorder. Babies who are born to mothers who suffer from this illness during pregnancy are more likely to experience a change in at least one chemical in their body that makes it more likely (predisposes) the baby to develop PTSD later in life. Individuals who suffer from this illness are at risk of having more medical problems, as well as trouble reproducing. In children and teens, PTSD can have significantly negative effects on their social and emotional development, as well as on their ability to learn.
What causes PTSD?
Virtually any trauma, defined as an event that is life-threatening or that severely compromises the physical or emotional well-being of an individual or causes intense fear, may cause PTSD. Such events often include either experiencing or witnessing a severe accident or physical injury, receiving a life-threatening medical diagnosis, being the victim of kidnapping or torture, exposure to war combat or to a natural disaster, exposure to other disaster (for example, plane crash) or terrorist attack, being the victim of rape, mugging, robbery, or assault, enduring physical, sexual, emotional, or other forms of abuse, as well as involvement in civil conflict. Although the diagnosis of PTSD currently requires that the sufferer has a history of experiencing a traumatic event as defined here, people may develop PTSD in reaction to events that may not qualify as traumatic but can be devastating life events like divorce or unemployment.
What are the symptoms and signs of PTSD?
The following three groups of symptom criteria are required to assign the diagnosis of PTSD:
1. Recurrent re-experiencing of the trauma (for example, troublesome memories, flashbacks that are usually caused by reminders of the traumatic events, recurring nightmares about the trauma and/or dissociative reliving of the trauma)
2. Avoidance to the point of having a phobia of places, people, and experiences that remind the sufferer of the trauma or a general numbing of emotional responsiveness
3. Chronic physical signs of hyperarousal, including sleep problems, trouble concentrating, irritability, anger, poor concentration, blackouts or difficulty remembering things, increased tendency and reaction to being startled, and hypervigilance (excessive watchfulness) to threat. The emotional numbing of PTSD may present as a lack of interest in activities that used to be enjoyed (anhedonia), emotional deadness, distancing oneself from people, and/or a sense of a foreshortened future (for example, not being able to think about the future or make future plans, not believing one will live much longer). At least one re-experiencing symptom, three avoidance/numbing symptoms, and two hyperarousal symptoms must be present for at least one month and must cause significant distress or functional impairment in order for the diagnosis of PTSD to be assigned. PTSD is considered of chronic duration if it persists for three months or more.
A similar disorder in terms of symptom repertoire is acute stress disorder. The major differences between the two disorders are that acute stress disorder symptoms persist from two days to four weeks, and a fewer number of traumatic symptoms are required to make the diagnosis as compared to PTSD.
In children, re-experiencing the trauma may occur through repeated play that has trauma-related themes instead of or in addition to memories, and distressing dreams may have more general content rather than of the traumatic event itself. As in adults, at least one re-experiencing symptom, three avoidance/numbing symptoms, and two hyperarousal symptoms must be present for at least one month and must cause significant distress or functional impairment in order for the diagnosis of PTSD to be assigned. When symptoms have been present for less than one month, a diagnosis of acute stress disorder (ASD) can be made.
Symptoms of PTSD that tend to be associated with C-PTSD include problems regulating feelings, which can result in suicidal thoughts, explosive anger, or passive aggressive behaviors; a tendency to forget the trauma or feel detached from one's life (dissociation) or body (depersonalization); persistent feelings of helplessness, shame, guilt, or being completely different from others; feeling the perpetrator of trauma is all-powerful and preoccupation with either revenge against or allegiance with the perpetrator; and severe change in those things that give the sufferer meaning, like a loss of spiritual faith or an ongoing sense of helplessness, hopelessness, or despair.
What is the treatment for PTSD?
Treatments for PTSD usually include psychological and medical interventions. Providing information about the illness, helping the individual manage the trauma by talking about it directly, teaching the person ways to manage symptoms of PTSD, and exploration and modification of inaccurate ways of thinking about the trauma are the usual techniques used in psychotherapy for this illness. Education of PTSD sufferers usually involves teaching individuals about what PTSD is, how many others suffer from the same illness, that it is caused by extraordinary stress rather than weakness, how it is treated, and what to expect in treatment. This education thereby increases the likelihood that inaccurate ideas the person may have about the illness are dispelled, and any shame they may feel about having it is minimized. This may be particularly important in populations like military personnel that may feel particularly stigmatized by the idea of seeing a mental-health professional and therefore avoid doing so.
Teaching people with PTSD practical approaches to coping with what can be very intense and disturbing symptoms has been found to be another useful way to treat the illness. Specifically, helping sufferers learn how to manage their anger and anxiety, improve their communication skills, and use breathing and other relaxation techniques can help individuals with PTSD gain a sense of mastery over their emotional and physical symptoms. The practitioner might also use exposure-based cognitive behavioral therapy by having the person with PTSD recall their traumatic experiences using images or verbal recall while using the coping mechanisms they learned. Individual or group cognitive behavioral psychotherapy can help people with PTSD recognize and adjust trauma-related thoughts and beliefs by educating sufferers about the relationships between thoughts and feelings, exploring common negative thoughts held by traumatized individuals, developing alternative interpretations, and by practicing new ways of looking at things. This treatment also involves practicing learned techniques in real-life situations.
Eye-movement desensitization and reprocessing (EMDR) is a form of cognitive therapy in which the practitioner guides the person with PTSD in talking about the trauma suffered and the negative feelings associated with the events, while focusing on the professional's rapidly moving finger. While some research indicates this treatment may be effective, it is unclear if this is any more effective than cognitive therapy that is done without the use of rapid eye movement.
Families of PTSD individuals, as well as the sufferer, may benefit from family counseling, couple's counseling, parenting classes, and conflict-resolution education. Family members may also be able to provide relevant history about their loved one (for example, about emotions and behaviors, drug abuse, sleeping habits, and socialization) that people with the illness are unable or unwilling to share.
Medications that are usually used to help PTSD sufferers include serotonergic antidepressants and medicines that help decrease the physical symptoms associated with illness like some beta-blockers. Individuals with PTSD are much less likely to experience a relapse of their illness if antidepressant treatment is continued for at least a year. SSRIs are the first group of medications that have received approval by the U.S. Food and Drug Administration (FDA) for the treatment of PTSD. Treatment guidelines provided by the American Psychiatric Association describe these medicines as being particularly helpful for people whose PTSD is the result of trauma that is not combat-related. SSRIs tend to help PTSD sufferers modify information that is taken in from the environment (stimuli) and to decrease fear. Research also shows that this group of medicines tends to decrease anxiety, depression, and panic. SSRIs may also help reduce aggression, impulsivity, and suicidal thoughts that can be associated with this disorder.
Other less directly effective but nevertheless potentially helpful medications for managing PTSD include mood stabilizers, as well as mood stabilizers that are also antipsychotics. Antipsychotic medicines seem to be most useful in the treatment of PTSD in those who suffer from agitation, dissociation, hypervigilance, intense suspiciousness (paranoia), or brief breaks in being in touch with reality (brief psychotic reactions). The antipsychotic medications are also being increasingly found to be helpful treatment options for managing PTSD when used in combination with an SSRI. Benzodiazepines (tranquilizers) have unfortunately been associated with a number of problems, including withdrawal symptoms and the risk of overdose, and have not been found to be significantly effective for helping individuals with PTSD
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