A Pilot Study of SPG Block for PTSD

Some patients with Post Traumatic Stress Disorder (PTSD) respond only partially to medication. This study is a pilot study investigating whether blocking the SPG helps reduce the symptoms of PTSD. This study does not involve treatment with medications. It is a proof of principal study.

Inclusion Criteria:Participants with a principal diagnosis of PTSD on stable dose of psychiatric medication or in stable psychotherapy for at least 3 months, who experience residual symptoms.Participants who understand all study procedures and can undergo informed consentExclusion Criteria:Participants with a medical disorder, for whom study participation could be deleterious (neurologic, cardiac, renal or infectious disease)Pregnant or breast feeding participantsParticipants who are on an anticoagulant, such as warfarin, or otherwise have a medical condition that increases bleeding risk