I NEED A REPLY TO THIS COMMENT

I NEED A REPLY TO THIS COMMENT HOW WOULD YOU RESPOND TO THE BELOW POST? The study on the efficacy of Trauma-Sensitive Yoga on Veteran’s with PTSD was conducted after researchers realized that there had already been seven studies that indicated that the use of yoga, among other mind-body interventions such as acupuncture and meditation, was a promising therapy for patients with PTSD (Callahan et al., 2020). The researchers set out to confirm whether yoga would improve cognitive performance, PTSD symptoms and cortisol levels in participants. The participants were all recruited from the Veteran Affairs Portland Health Care System. The study did note statistically significant improvements in cognition and reported PTSD symptoms in veterans who participated in the yoga therapy (Callahan et al., 2020). In reviewing the study, there were several items that caught my attention. First off, the participants were approved to participate in the study based upon recommendation from their provider and a chart review indicating a diagnosis of PTSD. PTSD is a complicated condition with a wide spectrum of symptoms. It is impossible to know whether all the participants exhibited all the symptoms the yoga was intended to address. Next, the study itself only had seventeen of the original twenty-seven participants complete the ten-week intervention. While data can still be extrapolated from a small number of participants, a larger number would have provided a better statistical analysis (Burns and Grove, 2020). The data collection itself was largely self-reported by the participants who were given several cognitive tests and symptom rating scales to complete. One cannot exclude bias in the self-reported results; often participants will select what they think are the “right answers” to provide what they think the researcher wants (Burns and Groves, 2020). And lastly, the saliva collection for the cortisol levels had room for error as samples were collected by the individual participants. The specimens were to be kept refrigerated, according to the study article, but whether the participants did this or not is unknown. The results of the cortisol levels did not indicate any therapeutic value from the yoga but again, the lab values could have been skewed by the collection and storage method or legitimately not impacted by the intervention; it is impossible to know. The study did validate the findings of the other seven studies indicating that yoga provided benefits to patients with PTSD. However, with the participant numbers so low, a more substantive study would provide more reliability. If I were the researcher, I think I would have attempted to start with more participants- knowing that often participants do not finish a study. I would have done the participant- reported quizzes and symptom scales too as the are cost effective and simple. I would, however, have opted to have the cortisol saliva specimens collected professionally to assure proper collection, storage, and transportation techniques. My research would be the ninth study conducted, so I think the larger volume of participants would validate the previous results. SCIENCE HEALTH SCIENCE NURSING NURS 3151

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