title: Video-assisted thoracoscopic surgery for primary spontaneous pneumothorax: evaluation of indications and long-term outcome compared with conservative treatment and open thoracotomy.
abstract: OBJECTIVE
  Video-assisted thoracoscopic surgery (VATS) is effective for primary spontaneous pneumothorax. We sought to evaluate the outcome of VATS compared to conservative treatment and open thoracotomy, and to discuss the indications for VATS in primary spontaneous pneumothorax.
  
  
  METHODS
  Retrospective study.
  
  
  METHODS
  Primary spontaneous pneumothorax was diagnosed in 281 consecutive patients between January 1989 and April 2001. Mean age was 29.1 years. Mean follow-up period was 78.3 months (range, 13 to 163 months). For these patients, conservative treatment, open thoracotomy, or VATS were performed, and the outcomes of the three treatments were evaluated. If recurrence occurred, outcome of treatment for the recurrence was also evaluated according to the number of times of recurrence.
  
  
  RESULTS
  Recurrences were observed in 109 of 281 patients (38.8%). Forty-three patients (15.3%) had repeat recurrences. Regarding the outcome of the first episode, recurrence rates were 54.7% for conservative treatment, 7.7% for open thoracotomy, and 10.3% for VATS. Recurrence rates after the second episode were 60.3% for conservative treatment, 0% for open thoracotomy, and 18.6% for VATS. Overall recurrence rates of each treatment were 56.4%, 3.0%, and 11.7%, respectively. There was no statistical difference between the open thoracotomy and VATS groups (p = 0.15). Hospital stays from operation until discharge were 11.5 days for open thoracotomy and 4.1 days for VATS (p < 0.001).
  
  
  CONCLUSIONS
  The outcomes of VATS were very good compared to conservative treatment and equal to those of the open thoracotomy, not only for the first episode but also for the case of recurrence. In terms of low morbidity, low invasiveness, and cosmetic issues, VATS is superior to open thoracotomy. VATS is standard in cases of recurrence and should be considered for treatment at the first episode.
authors.affiliation: Department of Surgery, Okayama Red Cross General Hospital, Japan.
authors.forename: Shigeki
authors.initials: S
authors.lastname: Sawada
authors.forename: Yoichi
authors.initials: Y
authors.lastname: Watanabe
authors.forename: Shigeharu
authors.initials: S
authors.lastname: Moriyama
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D015331:Cohort Studies; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007902:Length of Stay; D008297:Male; D008875:Middle Aged; D019060:Minimally Invasive Surgical Procedures; D011030:Pneumothorax / Q000175:diagnosis* / Q000601:surgery*; D011183:Postoperative Complications; D011336:Probability; D012008:Recurrence; D012129:Respiratory Function Tests; D012189:Retrospective Studies; D018570:Risk Assessment; D012720:Severity of Illness Index; D020775:Thoracic Surgery, Video-Assisted / Q000009:adverse effects / Q000379:methods*; D013908:Thoracotomy / Q000009:adverse effects / Q000379:methods*; D016896:Treatment Outcome