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Biomedical subjects

T E Torbet

Publications and source records attributed to T E Torbet.

13 recordsLinked to original sources
PubMed1993

Uroflowmetry in the puerperium.

One hundred women underwent uroflowmetry once per day for the first 3 days after delivery, and the results compared to those of 53 nonpregnant controls in an effort to determine 1) whether urinary flow in the puerperium is different to that found without pregnancy, 2) whether uroflow parameters change as the puerperium progresses, and 3) which characteristics of a patient or her labour bear most influence upon the results of uroflowmetry. Urinary flow in the puerperium was seen to be different from that of the nonpregnant female in that mean flow rates were lower. In addition to this, voided volume, total flow time, and time to peak flow were all significantly increased on day 1, but were comparable on days 2 and 3. Other than for falling voided volumes, uroflow parameters did not alter significantly as the puerperium progressed. Correlation of the variables age, parity, baby weight, length of first and second stage, use of epidural and perineal suturing with the parameters of urinary flow failed to show any significant relationship.

Adult↗
PubMed1993

Incidence of abnormal voiding parameters in the immediate postpartum period.

One hundred eighty-four patients were assessed prospectively by uroflowmetry and postmicturition ultrasonography on a daily basis in the immediate postpartum period to assess the incidence of abnormal voiding parameters, their predisposing factors, and whether the combination of two screening tests was more helpful than either alone as a screening test of abnormal voiding in the puerperium. The incidence of abnormal voiding parameters was 43%. The majority of these were asymptomatic. Of those patients who had an abnormality, 68% had normal voiding parameters by the time they went home, and all of those who returned for follow-up had normal parameters. Operative delivery, perineal trauma, and epidural anaesthesia all increased the incidence of abnormal voiding parameters. Residual urine was a feature in 70 of the 79 patients found to be abnormal, and the incidence of an abnormal flow rate was not significantly greater than in the nonpregnant population. This suggests that the addition of uroflowmetry does not confer any benefit over postmicturition assessment of residual urine by ultrasonography in the detection of patients with postpartum voiding dysfunction.

Anesthesia, Epidural↗
PubMed1986

DNA sequences of human papillomavirus types 11, 16, and 18 in lesions of the uterine cervix in the west of Scotland.

Punch biopsy specimens of the cervix were examined both histologically and for the presence of human papillomavirus (HPV) DNA sequences. The presence of HPV DNA sequences was sought with the Southern blot technique using radioactively labelled HPV-6, 11, 16, and 18 DNA probes, both together and separately. Twenty six biopsy specimens were examined. Histological examination showed cervical intraepithelial neoplasia grade 2 or 3 in 16 specimens, viral changes (koilocytosis) in four, and inflammation or a normal appearance in three. Eleven specimens were negative for HPV DNA sequences, 10 contained HPV-16 DNA, four contained HPV-18 DNA, and one contained both HPV-18 and HPV-11 DNA. Episomal HPV-16 DNA was detected in one case of cervical intraepithelial neoplasia grade 3 and in five cases of cervical intraepithelial neoplasia grade 2/3 with koilocytosis; and episomal HPV-18 DNA was found in two specimens classed as cervical intraepithelial neoplasia grade 2/3, one of which also contained HPV-11 DNA, and in one specimen that showed viral changes alone. Integrated HPV DNA was found in six specimens (four with HPV-16 DNA and two with HPV-18 DNA), including two cases of chronically inflamed cervix with no histological evidence of viral infection or cervical intraepithelial neoplasia. Detection of viral DNA in early lesions may identify patients at risk of malignant progression. This is the first report of HPV-18 DNA in cervical intraepithelial neoplasia in Scotland.

Base Sequence↗
PubMed1977

Experiences with a fine stainless stell wire fetal scalp electrode.

A simple, economic stainless steel wire fetal scalp electrode is described. Its uneventful use over a 5-year period is reported in the light of several reports of complications arising from the application of both clip and spiral electrodes. The performance of 100 electrodes prepared under controlled conditions was analyzed in terms of both the quality of the rate trace produced and of problems experienced during application. Six electrodes were wasted during preliminary handling but of the 94 used in an attempted application to a fetal scalp, 88.3% were considered successful.

Electrodes↗