title: Incidence of uterine post abortion infection at Hospital de Clínicas de Porto Alegre. Is prophylactic antibiotic necessary?
abstract: OBJECTIVE
  To identify the incidence of pelvic infection after miscarriage undergoing uterine evacuation in a tertiary hospital in southern Brazil and to compare with the international literature.
  
  
  METHODS
  we reviewed electronic medical records of the Hospital de Clinicas de Porto Alegre of all patients who underwent uterine evacuation for miscarriage between August 2008 and January 2012 were reviewed. We included all patients submitted to uterine curettage due to abortion and who had outpatient visits for review after the procedure. We calculated emographic and laboratory data of the study population, number needed for treatment (NNT) and number needed to harm (NNH).
  
  
  RESULTS
  of the 857 revised electronic medical records, 377 patients were subjected to uterine evacuation for miscarriage; 55 cases were lost to follow-up, leaving 322 cases that were classified as not infected abortion on admission. The majority of the population was white (79%); HIV prevalence and positive VDRL was 0.3% and 2%, respectively. By following these 322 cases for a minimum of seven days, it was found that the incidence of post-procedure infection was 1.8% (95% CI 0.8 to 4). The NNT and NNH calculated for 42 months were 63 and 39, respectively.
  
  
  CONCLUSIONS
  The incidence of post-abortion infection between August 2008 to January 2012 was 1.8% (0.8 to 4).
authors.affiliation: Medical School Graduate, Federal University of Rio Grande do Sul.
authors.forename: Carine Luíze
authors.initials: CL
authors.lastname: Panke
authors.affiliation: Medical School Graduate, Federal University of Rio Grande do Sul.
authors.forename: Mariana Mello
authors.initials: MM
authors.lastname: Bonilha
authors.affiliation: Medical School Graduate, Federal University of Rio Grande do Sul.
authors.forename: Melina Silva de
authors.initials: MS
authors.lastname: Loreto
authors.affiliation: Department of Gynecology and Obstetrics, Federal University of Rio Grande do Sul.
authors.forename: Ricardo Francalacci
authors.initials: RF
authors.lastname: Savaris
mesh_terms: D000022:Abortion, Spontaneous; D000293:Adolescent; D000328:Adult; D019072:Antibiotic Prophylaxis; D001938:Brazil; D015331:Cohort Studies; D005260:Female; D006761:Hospitals; D006801:Humans; D015994:Incidence; D008875:Middle Aged; D034161:Pelvic Infection / Q000453:epidemiology* / Q000517:prevention & control*; D012189:Retrospective Studies; D055815:Young Adult