Risk for anxiety nearly four times higher in those who experienced shocks with implanted devices

47 percent of parents met PTSD cutoff on screening measure; female gender and patient depression linked to PTSD in parents

<p>Likelihood of developing POU increased for those with history of drug abuse, preoperative muscle relaxant or benzodiazepine use</p>

<p>14.5 percent experience new-onset anxiety and 11.3 percent have new-onset depression in two years after implantation</p>