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Evaluation of the endocervical Cytobrush and Cervex-Brush in pregnant women.

Abstract：

OBJECTIVE:To compare, in pregnant women, the endocervical cell yield of the Cytobrush Cell Collector and the Cervex-Brush Cell Sampler with the standard cotton swab, and to determine the incidence of serious adverse events associated with the collection techniques. METHODS:In a randomized, controlled clinical trial, 352 pregnant women undergoing initial obstetric evaluation were randomly assigned to either the cotton swab and modified Ayers spatula, Cytobrush and modified Ayers spatula, or Cervex-Brush. The cytopathology laboratory, blinded to the Papanicolaou smear method, screened the smears using the Bethesda System guidelines. Statistical analyses were performed using the Pearson chi 2 and analysis of variance tests. RESULTS:There was an increased detection of endocervical cells in pregnant patients with both the Cytobrush and modified Ayers spatula (90.7%) and the Cervex-Brush (83.3%) methods, compared with the cotton swab and modified Ayers spatula (70.8%) (P = .0001 and P = .0233, respectively). There was no statistically significant difference between the Cytobrush-spatula and Cervex-Brush groups (P = .0956). Although there were more bloody Papanicolaou smears in the study groups, this was neither clinically nor statistically significant because all the samples were interpretable and repeat samples due to bloody specimens were not required. There were no serious adverse events associated with the study group methods. CONCLUSION:Performance of Papanicolaou smears using the Cytobrush and modified Ayers spatula and with the Cervex-Brush improved Papanicolaou smear adequacy as compared with the cotton swab and modified Ayers spatula. Despite an increased incidence of spotting following collection, these techniques were not associated with an increase in serious adverse events. Based on the cost per item and a clinically significant increase in endocervical cell yield, we recommend the Cytobrush and modified Ayers spatula for cytologic screening in pregnant women.

journal_name

Obstet Gynecol

journal_title

Obstetrics and gynecology

authors

Paraiso MF,Brady K,Helmchen R,Roat TW

subject

Has Abstract

pub_date

1994-10-01 00:00:00

pages

539-43

issue

eissn

0029-7844

issn

1873-233X

journal_volume

pub_type

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Evaluation of the endocervical Cytobrush and Cervex-Brush in pregnant women.