title: [Sonohysterography accuracy versus transvaginal ultrasound in infertile women candidate to assisted reproduction techniques].
abstract: OBJECTIVE
  To compare the diagnostic accuracy of sonohysterography (HSN) and conventional transvaginal ultrasound (USG) in assessing the uterine cavity of infertile women candidate to assisted reproduction techniques (ART).
  
  
  METHODS
  Comparative cross-sectional study with 120 infertile women candidate to ART, assisted at Centro de Reprodução Assistida (CRA) of Hospital Regional da Asa Sul (HRAS), Brasília - DF, from August 2009 to November 2010. Sonohysterography was performed with saline solution infusion in a close system. The sonohysterography finding was compared to previous USG results. The uterine cavity was considered abnormal when the endometrium was found to be thicker than expected during the menstrual cycle and when an endometrial polyp, a submucous myoma and an abnormal shape of the uterine cavity were observed. The statistical analysis was done using absolute frequencies, percentage values and the χ², with the level of significance set at 5%.
  
  
  RESULTS
  HSN revealed that 92 (76.7%) infertile women candidate to ART had a normal uterine cavity, while 28 (23.3%) had the following abnormalities: 15 polyps (12.5%), 9 cases of abnormal shape of the uterine cavity (7.5%), 6 submucous myomas (5%), 4 cases of inadequate endometrial thickness for the menstrual cycle phase (3.3%), and 2 cases of uterine septum (1.7%); 5 women presented more than one abnormality (4.2%). While USG showed alteration in the cavity only in 5 (4.2%) women, the sonohysterography confirmed 4 out of the 5 abnormalities shown by USG and detected an abnormal uterine cavity in 24 other women, who had not been detected by USG. This means that sonohysterography was able to detect more abnormalities in the uterine cavity than USG, with a statistically significant difference (p=0.002).
  
  
  CONCLUSIONS
  The sonohysterography was more accurate than USG in the assessment of the uterine cavity of this cohort of infertile women candidate to ART. The sonohysterography can be easily incorporated into the investigation of these women and contribute to reducing embryo implantation failures.
authors.affiliation: Serviço de Reprodução Humana, Unidade de Ginecologia e Obstetrícia, Hospital Regional da Asa Sul - HRAS, Secretaria de Estado de Saúde do Distrito Federal - SES/DF, Brasília, Brasil.
authors.forename: João Rocha
authors.initials: JR
authors.lastname: Vilela
authors.forename: Maria Teresinha de Oliveira
authors.initials: MT
authors.lastname: Cardoso
authors.forename: José Gonçalves
authors.initials: JG
authors.lastname: Franco Júnior
authors.forename: Anaglória
authors.initials: A
authors.lastname: Pontes
mesh_terms: D000328:Adult; D003430:Cross-Sectional Studies; D019160:Endosonography; D005260:Female; D006801:Humans; D007247:Infertility, Female / Q000000981:diagnostic imaging*; D008875:Middle Aged; D027724:Reproductive Techniques, Assisted; D014599:Uterus / Q000000981:diagnostic imaging*; D014621:Vagina