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Biomedical subjects

G R Swingler

Publications and source records attributed to G R Swingler.

10 recordsLinked to original sources
PubMed1990

Colposcopic diagnosis and treatment of cervical dysplasia at a single clinic visit. Experience of low-voltage diathermy loop in 1000 patients.

In a study of 1000 women referred over 20 months with abnormal smears and in whom the entire transformation zone could be seen the aim was to test the feasibility of colposcopic assessment and treatment at one visit to the clinic. 897 women needed only one visit. This was achieved by using a modification of the large loop diathermy excision technique and by careful attention to the timing of the clinic visit. 103 required further visits, for the following reasons: incomplete excision on histology and/or subsequently abnormal smear (85), secondary haemorrhage (6), microinvasion or invasive carcinoma (9), biopsy specimens unusable (3). Further treatment was given in 4.1% of the cervical dysplasias. All patients treated in a single visit preferred this approach to the alternative of colposcopic assessment and biopsy followed, after histological examination, by local ablation by laser, excision by loop biopsy technique, or cone biopsy.

Biopsy↗
PubMed1989

Symphysis-fundus measurements in screening for small-for-dates infants: a community based study in Gloucestershire.

Symphysis-fundus charts were introduced into 50 general practitioner antenatal clinics and the hospital antenatal clinics of two obstetricians in Gloucestershire in February 1985 for a 12-month period. Of the 1139 charts analysed, the sensitivity of one or more low fundal height measurements in predicting birthweight below the tenth centile for gestational age was 51% with a specificity of 88%. In the 319 charts with four or more measurements after 26 weeks gestation a sensitivity of 65% was recorded in predicting birthweight below the tenth centile, rising to 91% in the prediction of birthweight below the fifth centile; the specificity was correspondingly 81% and 80%. The sensitivity of the test varied inversely with maternal body mass index. The mean absolute difference in pairs of observations between general practitioners, midwives and an observer was 1.5 cm. Measurement of symphysis-fundus distance is not a precise diagnostic tool but it does provide an improvement on abdominal palpation in the prediction of small-for-dates infants. The findings of this study support the use of serial symphysis-fundus measurements in community antenatal clinics. Referral for ultrasound investigation is recommended when the measurement is low.

Anthropometry↗