title: [Percutaneous closure of the patent ductus arteriosus in children with the Amplatzer Duct Occluder II].
abstract: BACKGROUND
  In the last decades, several devices have been used for the percutaneous closure of patent ductus arteriosus, with its own limitations and risks. The Amplatzer Duct Occluder II has been designed to overcome those limitations and reduce risks.
  
  
  OBJECTIVE
  We described our initial series of patients who underwent percutaneous closure of patent ductus arteriosus with the Amplatzer Duct Occluder II, emphasis on the technical aspects of the procedure.
  
  
  METHODS
  We reviewed the clinical records of 9 patients with patent ductus arteriosus who underwent percutaneous closure with the Amplatzer Duct Occluder II. Median age was 24 months (range 8-51 months) and the median weight was 10.7kg (range 6-16.3kg). The minimal ductus arteriosus diameter was 2.7mm (1-5mm).
  
  
  RESULTS
  Implantation was successful in all cases. The devices most commonly used (33.3%) were the dimensions 4-4mm (3 patients), in 2 patients were used 3-4mm and in the rest of the patients were employed occluder other sizes. Four cases showed slight residual flow immediately after implantation. Total closure was achieved in 24h in 8 of 9 patients (89%). There was no embolization of the occluder or deaths during the procedure and we only observed one minor complication.
  
  
  CONCLUSIONS
  The Amplatzer Duct Occluder II in this series was effective in 89% of the patients at 24hs after the procedure and 100% follow-up. The implantation was safe and no major complications were observed. The occlusion rate is comparable to those reported for the Amplatzer Duct Occluder I.
authors.affiliation: Servicio de Cardiología, Hospital de Pediatría Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Distrito Federal, México. Electronic address: rafaelparrabravo@yahoo.com.mx.
authors.forename: José Rafael
authors.initials: JR
authors.lastname: Parra-Bravo
authors.affiliation: Servicio de Pediatría, Hospital de Pediatría Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Distrito Federal, México.
authors.forename: Manuel Alfredo
authors.initials: MA
authors.lastname: Osuna-Izaguirre
authors.affiliation: Servicio de Cardiología, Hospital de Pediatría Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Distrito Federal, México.
authors.forename: Luisa
authors.initials: L
authors.lastname: Beirana-Palencia
authors.affiliation: Servicio de Pediatría, Hospital de Pediatría Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Distrito Federal, México.
authors.forename: Franco
authors.initials: F
authors.lastname: Gálvez-Cancino
authors.affiliation: Servicio de Pediatría, Hospital de Pediatría Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Distrito Federal, México.
authors.forename: Christian
authors.initials: C
authors.lastname: Martínez-Monterrosas
authors.affiliation: Servicio de Cardiología, Hospital de Pediatría Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Distrito Federal, México.
authors.forename: César
authors.initials: C
authors.lastname: Lazo-Cárdenas
authors.affiliation: Servicio de Pediatría, Hospital de Pediatría Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Distrito Federal, México.
authors.forename: César
authors.initials: C
authors.lastname: Reyes-Vargas
mesh_terms: D002675:Child, Preschool; D004374:Ductus Arteriosus, Patent / Q000601:surgery*; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D011446:Prospective Studies; D011474:Prosthesis Design; D012189:Retrospective Studies; D055989:Septal Occluder Device
keywords: Amplatzer Duct Occluder II; Cierre percutáneo; Conducto arterioso permeable; México; Oclusor Amplatzer Duct II; Patent ductus arteriosus; Percutaneous closure