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Ayre v Aylesbury cervical spatulas.

B P Goorney¹, C J Lacey, J Sutton

¹Department of Genitourinary Medicine, General Infirmary, Leeds.

Genitourinary Medicine

|June 1, 1989

Summary

The Aylesbury spatula showed no improvement in detecting dyskaryotic smears compared to the traditional Ayre spatula. While it collected more endocervical cells, overall accuracy for cervical abnormalities remained similar.

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Area of Science:

Gynecology
Cervical Cytology
Medical Device Evaluation

Background:

Cervical cancer screening relies on accurate sample collection.
The Ayre spatula is a traditional tool, while the Aylesbury spatula is a newer alternative.
Evaluating new medical devices for improved diagnostic accuracy is crucial.

Purpose of the Study:

To compare the diagnostic accuracy of the Aylesbury spatula against the traditional Ayre spatula.
To assess the incidence of dyskaryotic smears and endocervical cell collection for both spatulas.
To determine if the Aylesbury spatula offers superior results in cervical screening.

Main Methods:

A single-blind crossover study design was employed.
The study included all women attending a genitourinary medicine department over 16 months.
Smear results, including dyskaryosis and endocervical cell presence, were recorded for both spatulas.

Main Results:

Both spatulas yielded a similar incidence of dyskaryotic smears (3.6%).
The Aylesbury spatula collected significantly more endocervical cells (33.4%) compared to the Ayre spatula (20.4%).
No significant difference was observed in the detection of epithelial abnormalities between the two devices.

Conclusions:

The Aylesbury spatula does not provide more accurate results than the Ayre spatula for cervical screening.
The increased collection of endocervical cells by the Aylesbury spatula did not translate to improved detection of abnormalities.
Current evidence suggests no diagnostic advantage of the Aylesbury spatula over the Ayre spatula in this study setting.

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