title: Randomized clinical trial for geotropic horizontal canal benign paroxysmal positional vertigo.
abstract: OBJECTIVE
  To determine the immediate and long-term therapeutic efficacies of barbecue rotation and Gufoni maneuvers, a randomized, prospective, and sham-controlled study was conducted in patients with the geotropic type of benign paroxysmal positional vertigo involving the horizontal semicircular canal (HC-BPPV).
  
  
  METHODS
  In 10 nationwide dizziness clinics in Korea, 170 consecutive patients (107 women, age range 11-97 years, mean age ± SD 61 ± 15 years, median = 61 years) with geotropic HC-BPPV were randomly assigned to barbecue rotation (n = 56), Gufoni (n = 64), or sham maneuver (n = 50). An immediate response was determined within 1 hour after a maximum of 2 trials of each maneuver on the visit day. We also assessed the cumulative results of each maneuver by following up the patients for 1 month.
  
  
  RESULTS
  After a maximum of 2 maneuvers on the initial visit day, barbecue rotation (38 of 55 [69.1%]) and Gufoni (39 of 64 [60.9%]) maneuvers showed better responses than the sham maneuver (17 of 48 [35.4%]). The cumulative therapeutic effects were also better with barbecue rotation (p = 0.006) and Gufoni (p = 0.031) maneuvers than with the sham maneuver. However, therapeutic efficacies did not differ between the barbecue rotation and Gufoni groups in terms of both immediate (p = 0.46) and long-term (p = 0.10) outcomes.
  
  
  CONCLUSIONS
  Using a prospective randomized trial, we demonstrated that barbecue rotation and Gufoni maneuvers are effective in treating geotropic HC-BPPV.
  
  
  METHODS
  This study provides Class I evidence that barbecue rotation and Gufoni maneuvers are effective in the treatment of geotropic HC-BPPV.
authors.affiliation: Department of Neurology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul, Korea.
authors.forename: Ji Soo
authors.initials: JS
authors.lastname: Kim
authors.forename: Sun-Young
authors.initials: SY
authors.lastname: Oh
authors.forename: Seung-Han
authors.initials: SH
authors.lastname: Lee
authors.forename: Ji Hoon
authors.initials: JH
authors.lastname: Kang
authors.forename: Dong Uk
authors.initials: DU
authors.lastname: Kim
authors.forename: Seong-Hae
authors.initials: SH
authors.lastname: Jeong
authors.forename: Kwang-Dong
authors.initials: KD
authors.lastname: Choi
authors.forename: In Soo
authors.initials: IS
authors.lastname: Moon
authors.forename: Byung Kun
authors.initials: BK
authors.lastname: Kim
authors.forename: Hyo Jung
authors.initials: HJ
authors.lastname: Kim
mesh_terms: D000368:Aged; D065635:Benign Paroxysmal Positional Vertigo; D005260:Female; D019416:Head Movements / Q000502:physiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D056888:Patient Positioning / Q000379:methods*; D011187:Posture / Q000502:physiology; D012399:Rotation; D016896:Treatment Outcome; D014717:Vertigo / Q000503:physiopathology / Q000628:therapy*