title: Priapism following a lumbar sympathetic nerve block.
abstract: OBJECTIVE
  To understand an unusual complication of a common procedure.
  
  
  METHODS
  This article chronicles the side effect of a lumbar sympathetic nerve block (LSNB).
  
  
  METHODS
  Loyola University Medical Center Outpatient Chronic Pain Clinic.
  
  
  METHODS
  One.
  
  
  RESULTS
  Our patient had several hours of priapism following a LSNB.
  
  
  CONCLUSIONS
  A bilateral lumbar sympathetic nerve block can lead to unopposed parasympathetic penile stimulation and cause priapism.
authors.affiliation: Department of Anesthesiology, Division of Pain Management, Loyola University Medical Center, Maywood, IL 60153, USA. michaelsniderman@hotmail.com
authors.forename: Michael
authors.initials: M
authors.lastname: Sniderman
authors.forename: Meda
authors.initials: M
authors.lastname: Raghavendra
authors.forename: Joseph R
authors.initials: JR
authors.lastname: Holtman
mesh_terms: D000328:Adult; D001340:Autonomic Nerve Block / Q000009:adverse effects*; D006801:Humans; D007049:Iatrogenic Disease; D008161:Lumbosacral Region; D008297:Male; D011317:Priapism / Q000209:etiology*; D012019:Reflex Sympathetic Dystrophy / Q000628:therapy