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PTSD Therapies Offer Long-term Benefits

Civilians and military veterans with post-traumatic stress disorder (PTSD) reap long-term benefits from psychotherapies used for short-term treatment, according to a study from Case Western Reserve University (CWRU).

The findings suggest effective and lasting approaches for symptoms of PTSD—a typically chronic disorder that rarely diminishes spontaneously and is associated with significant distress, impairment, and economic costs.

The paper, published in the journal Clinical Psychology Review, was based on a meta-analysis of 32 PTSD-related studies that followed up with patients at least six months, and up to nearly two years, after treatment ended.

Patients displayed less-intense symptoms up to two years after treatment ended, compared to six months post-therapy, according to the study.

“It is possible that the longer time between post-treatment and follow-up assessments may provide a better opportunity for new skills to be practiced and reinforced, and for treatment gains to crystallize,” said Alex Kline, a co-author of the study and a PhD student in adult clinical psychology in the Department of Psychological Sciences at CWRU. 

PTSD treatments effective in both the short- and long-term include trauma-focused cognitive behavioral therapy and exposure therapy. Both are relatively common in veterans’ facilities yet are inconsistently available elsewhere.

“It’s important to get a better understanding of who responds to what and why,” Kline said. “Showing that PTSD treatment gains are being maintained is meaningful for healthcare providers choosing how to improve patient outcomes and drive down costs of ineffectual care.”

Broadly, cognitive behavioral therapy reduces symptoms by changing patient behavior and addressing maladaptive thoughts. In particular, exposure therapy—considered the current standard for PTSD treatment—exposes patients to feared stimuli under deliberate, controlled, safe conditions.

While some PTSD patients do not respond to current treatments, most do—across a range of populations, settings, and trauma types.

PTSD often co-occurs with depression, but the findings run counter to a recent similar study of long-term depression outcomes, where effectiveness decreased with longer follow-up periods. That was noteworthy, Kline said, given the diagnostic overlap between PTSD and depression and high rates of co-occurrence between the two disorders.

“Eventually, our findings and others could optimize treatments,” he said. “The goal is to match patients with what’s best for them.”

This article was adapted from information provided by CWRU.

 

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