title: Surgical outcomes of 23- and 20-gauge vitrectomies for rhegmatogenous retinal detachment associated with posterior vitreous detachment.
abstract: OBJECTIVE
  To compare the outcomes of 23- and 20-gauge vitrectomies 1 year after primary repair of rhegmatogenous retinal detachments (RRDs) associated with a posterior vitreous detachment (PVD).
  
  
  METHODS
  One hundred seventy-five consecutive eyes were reviewed that had undergone 23- or 20-gauge vitrectomy for RRDs associated with PVD.
  
  
  RESULTS
  Retinal reattachment during the year after the first vitrectomy occurred in 88 (91%) of 97 eyes in the 23-gauge group and 70 (90%) of 78 eyes in the 20-gauge group. All eyes in both groups achieved anatomic success after another procedure. The surgical time in the 23-gauge group was significantly (P = .03) shorter than in the 20-gauge group. No significant difference was found between the preoperative and postoperative visual acuities in both groups.
  
  
  CONCLUSIONS
  Twenty-three-gauge vitrectomy can obtain anatomic and visual acuity results similar to those obtained with 20-gauge vitrectomy after primary repair of RRDs and may be a surgical option for treating the disorder.
authors.affiliation: Department of Ophthalmology, Ohtsuka Eye Hospital, Sapporo, Japan. taiichi-hikichi@hokkaido.med.or.jp
authors.forename: Taiichi
authors.initials: T
authors.lastname: Hikichi
authors.forename: Shoko
authors.initials: S
authors.lastname: Kosaka
authors.forename: Kimitaka
authors.initials: K
authors.lastname: Takami
authors.forename: Hiroko
authors.initials: H
authors.lastname: Ariga
authors.forename: Hideo
authors.initials: H
authors.lastname: Ohtsuka
authors.forename: Makoto
authors.initials: M
authors.lastname: Higuchi
authors.forename: Takuro
authors.initials: T
authors.lastname: Matsushita
authors.forename: Reiko
authors.initials: R
authors.lastname: Matsushita
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D003228:Conjunctiva / Q000601:surgery; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D012163:Retinal Detachment / Q000150:complications / Q000601:surgery; D012189:Retrospective Studies; D013536:Suture Techniques; D016896:Treatment Outcome; D014792:Visual Acuity; D014821:Vitrectomy / Q000379:methods*; D020255:Vitreous Detachment / Q000150:complications / Q000601:surgery*