title: Complications with outpatient angiography and interventional procedures.
abstract: OBJECTIVE
  To prospectively identify the complications, and rates of complication, in outpatient angiography and interventional procedures.
  
  
  METHODS
  There were 1050 consecutive patients, 646 men and 404 women, aged 17-89 years, with a total of 1239 procedures studied in a 2-year period, 1997 to 1999.
  
  
  RESULTS
  There were 560 cases of aorto-femoral angiography, resulting in 124 complications (22%), with pain or hematoma in 110. There were 206 cases of neck and cerebral angiography, resulting in 51 complications (25%), with pain and hematoma in 34, transient ischemic attack in 2 and cerebrovascular accident in 1. There were 197 interventional procedures, with 177 being balloon dilatations, resulting in 68 complications (35%), with 2 having hematomas and 1 having hematoma/abscess requiring active treatment. There were 276 cases having various "other" procedures (e.g., renal angiography), resulting in 65 complications (24%), with pain and hematoma in 61. No procedure-related death occurred. Eighteen cases (1.5%) had significant complications, with contrast allergy in eight.
  
  
  CONCLUSIONS
  Outpatient angiography and intervention are relatively safe, with low significant complication rates.
authors.affiliation: Department of Radiology, Westmead Hospital, Westmead, Sydney, NWS, 2145, Australia. rnyo@imag.wsahs.nsw.gov.au
authors.forename: Noel
authors.initials: N
authors.lastname: Young
authors.forename: Ka-Kit
authors.initials: KK
authors.lastname: Chi
authors.forename: Joe
authors.initials: J
authors.lastname: Ajaka
authors.forename: Lesa
authors.initials: L
authors.lastname: McKay
authors.forename: Diane
authors.initials: D
authors.lastname: O'Neill
authors.forename: Kai Ping
authors.initials: KP
authors.lastname: Wong
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000553:Ambulatory Care; D000792:Angiography / Q000009:adverse effects* / Q000379:methods; D002533:Cerebral Angiography / Q000009:adverse effects / Q000379:methods; D015331:Cohort Studies; D005260:Female; D006406:Hematoma / Q000453:epidemiology / Q000209:etiology*; D006801:Humans; D015994:Incidence; D002546:Ischemic Attack, Transient / Q000453:epidemiology / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D011446:Prospective Studies; D015642:Radiology, Interventional / Q000379:methods*; D018570:Risk Assessment; D015996:Survival Rate