title: [Characteristics of the endoscopic retrograde cholangiopancreatography in a national referral center].
abstract: OBJECTIVE
  Endoscopic Retrograde Cholangiopancreatography (ERCP) is a method being used for approximately 30 years, in the diagnosis and treatment of a number of hepatobiliary and pancreatic disorders. This study has been undertaken to analyze ERCP characteristics in a national referential center.
  
  
  METHODS
  This is a retrospective descriptive study of a transverse section of 1702 patients subjected to ERCP in the Digestive Endoscopy Center of Gastroenterology Service of the Arzobispo Loayza Hospital between 2000 and 2003.
  
  
  RESULTS
  A total of 239 ERCPs were carried out in 2000; 553 in 2001; 375 in 2002 and 655 in 2003. Seventy five percent (75%) of the patients were female. Prior to ERCP, 70% echographically presented biliary tract dilation; 44% as the only finding and 26% presented biliary tract dilation associated with other findings, giving a total of 70%. One percent (1%) was emergency ERCP. Forty two point six percent (42.6%) of the ERCPs performed were exclusively for diagnostic purposes, while 54.6% ended up being therapeutic. Once the procedure was completed, the most frequent definite diagnosis was choledocholithiasis (903/1702; 53.06%). Ninety two percent (92%) of the CPREs underwent first level difficulty; 98% passed without complications. In 55% of the cases, sphincterotomy was performed. In 54% of the cases a complete technical success was encountered and clinical success in 84% of the cases.
  
  
  CONCLUSIONS
  The referral center of the study was characterized by an oscillating frequency of ERCPs which were frequently and, in a majority, conditioned by choledocholithiasis. Predominantly, the processes were at level one difficulty and in a majority a complete technical success was attained.
authors: Servicio de Gastroenterología, Hospital Arzobispo Loayza.
authors: Lucinda
authors: L
authors: Morán Tisoc
authors: Robert
authors: R
authors: Cumpa Quiroz
authors: Gloria
authors: G
authors: Vargas Cárdenas
authors: Magdalena
authors: M
authors: Astete Benavides
authors: Mario
authors: M
authors: Valdivia Roldan
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001660:Biliary Tract Diseases / Q000000981:diagnostic imaging / Q000601:surgery; D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000706:statistics & numerical data*; D042883:Choledocholithiasis / Q000000981:diagnostic imaging / Q000601:surgery; D003430:Cross-Sectional Studies; D004630:Emergencies; D005260:Female; D006779:Hospitals, Public / Q000706:statistics & numerical data; D006801:Humans; D008297:Male; D008875:Middle Aged; D010182:Pancreatic Diseases / Q000000981:diagnostic imaging / Q000601:surgery; D010568:Peru; D012189:Retrospective Studies; D016717:Sphincterotomy, Endoscopic / Q000706:statistics & numerical data; D016896:Treatment Outcome