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Abstract
Prior research indicates elevated but subclinical posttraumatic stress disorder (PTSD)
symptoms as a risk factor for a later diagnosis of PTSD. This study examined the progression
of symptoms in 21 subclinical veterans. Participants were randomized into a treatment
as usual (TAU) wait-list group and an experimental group, which received TAU plus
six sessions of clinical emotional freedom techniques (EFT). Symptoms were assessed
using the PCL-M (Posttraumatic Checklist-Military) on which a score of 35 or higher
indicates increased risk for PTSD. The mean pretreatment score of participants was
39 ± 8.7, with no significant difference between groups. No change was found in the
TAU group during the wait period. Afterward, the TAU group received an identical clinical
EFT protocol. Posttreatment groups were combined for analysis. Scores declined to
a mean of 25 (-64%, P < .0001). Participants maintained their gains, with mean three-month
and six-month follow-up PCL-M scores of 27 (P < .0001). Similar reductions were noted
in the depth and breadth of psychological conditions such as anxiety. A Cohen's d
= 1.99 indicates a large treatment effect. Reductions in traumatic brain injury symptoms
(P = .045) and insomnia (P = .004) were also noted. Symptom improvements were similar
to those assessed in studies of PTSD-positive veterans. EFT may thus be protective
against an increase in symptoms and a later PTSD diagnosis. As a simple and quickly
learned self-help method, EFT may be a clinically useful element of a resiliency program
for veterans and active-duty warriors.