Association between spinal manipulative therapy and cervical artery dissection in patients with neck pain or headache: a retrospective cohort study
Cervical artery dissection (CeAD) has been proposed as a sequela of spinal manipulative therapy (SMT), however, protopathic bias arising from care-seeking for CeAD symptoms (e.g., neck pain/headache) may overestimate observed associations. Among adults experiencing new neck pain/headache, we tested the null hypothesis...