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C Hargreaves

Publications and source records attributed to C Hargreaves.

10 recordsLinked to original sources

Comparison of transvaginal digital examination with intrapartum sonography to determine fetal head position before instrumental delivery.

OBJECTIVE: To investigate the accuracy of intrapartum transvaginal digital examination in defining the position of the fetal head before instrumental delivery. PATIENTS AND METHODS: In 64 singleton pregnancies undergoing instrumental delivery the fetal head position was determined by transvaginal digital examination by the attending obstetrician. Immediately after or before the clinical examination, the fetal head position was determined by transabdominal ultrasound by a trained sonographer who was not aware of the clinical findings. The digital examination was considered to be correct if the fetal head position was within +/- 45 degrees of the ultrasound finding. The accuracy of the digital examination was examined in relation to maternal and fetal characteristics. RESULTS: Digital examination failed to define the correct fetal head position in 17 (26.6%) cases. In 12 of 17 (70.6%) errors the difference was >/= 90 degrees and in five (29.4%) the difference was between 45 degrees and 90 degrees. The accuracy of vaginal digital examination was 83% for occiput-anterior and 54% for occiput-lateral + occiput-posterior positions. Logistic regression analysis demonstrated significant independent contributions in explaining the variance in the accuracy of vaginal examination for the station of the fetal head, the position of the fetal head and the experience of the examining obstetrician. CONCLUSIONS: Digital examination during instrumental delivery fails to identify the correct fetal head position in about one quarter of cases.

Adolescent↗

Using a revised asthma morbidity index to identify varying patterns of morbidity in U.K. general practices.

Both in terms of morbidity and mortality, the therapeutic and organizational management of asthma pose a considerable and continuing challenge to healthcare delivery. One element in attempts to meet this challenge is the recognition of appropriate outcome measures to assess progress in tackling the burden of this disease. This study therefore aimed to assess pragmatically the effectiveness of a revised asthma morbidity index in identifying varying patterns of morbidity in U.K. general practices. A postal survey was conducted of 2,762 patients believed to have or have had asthma from the lists of 12 general practices within the Eden Valley in Cumbria, using a questionnaire which combined the revised Jones morbidity index with questions on age, medication and perception of current asthma. Prescribing data were also recovered for 11 of the practices for the quarter within which the postal survey was conducted. Responses were obtained from 2,123 subjects (77%), of whom 1,474 (70%) believed themselves to be currently asthmatic. In this group, 18% reported low morbidity 34% medium morbidity and 48% high morbidity Age and inhaled steroid use were both positively and significantly associated with high morbidity. Those taking inhaled steroids were 1.4 times more likely to report high morbidity than those nottaking steroids. The prescribed corticosteroid/bronchodilator ratio for cost was both negatively and significantly associated with high morbidity. The revised morbidity index is a simple tool of use in the surveillance of asthma in primary care. It identifies spectra of morbidity which vary between practices, which may be of use in assessing the quality of asthma care provided in the community.

Age Factors↗

Delayed luteo-placental shift of progesterone production in IVF pregnancy.

OBJECTIVE: To observe absolute and relative levels of progesterone, 17 alpha-hydroxyprogesterone (17-OHP) and human chorionic gonadotrophin (hCG) in in vitro fertilization (IVF) pregnancies after withdrawal of luteal support. METHOD: Single blood samples were obtained from 41 pregnant women following IVF treatment and 43 normal pregnant women at various weeks gestation within the first trimester. Progesterone, 17-OHP and hCG were measured by immunoassay. RESULTS: Serum levels of progesterone, but not of hCG, in IVF pregnancies were significantly greater than in normal pregnancies up to 8 weeks post-conception, despite discontinuing luteal support 2 weeks after conception. The ratio of progesterone to 17-OHP, a predominantly ovarian product, in normal pregnancies rose between 4 and 9 weeks but did not change over the same period in IVF pregnancies. CONCLUSION: The luteal contribution to maternal serum levels of progesterone is much higher in IVF pregnancies compared with normal pregnancies. This is sustained throughout the first trimester without the need for luteal support and obscures the placental contribution of progesterone for much longer than in normal pregnancies. Progesterone or hCG supplements may therefore be unnecessary in IVF pregnancy.

Female↗

Healthy workplace indicators: costing reasons for sickness absence within the UK National Health Service.

Sandwell Healthcare NHS Trust has been developing a tool for monitoring the reasons and costs of long-term sick leave (> 7 days). The data obtained from this process has been used to modify the type of occupational health and safety services provided for the Trust. Adoption of more standardized tools of this nature throughout the National Health Service (NHS) would help trusts to compare, and where appropriate enhance, the services provided by occupational health. Musculo-skeletal and mental health problems, account for the greatest costs arising from long-term sickness absence. It may therefore be prudent for NHS employers and their occupational health services to target their efforts on these particular problems.

Costs and Cost Analysis↗

Sildenafil citrate (Viagra) in erectile dysfunction: near normalization in men with broad-spectrum erectile dysfunction compared with age-matched healthy control subjects.

OBJECTIVES: To evaluate the efficacy, safety, and tolerability of sildenafil in men with broad-spectrum erectile dysfunction (ED), with reference to age-matched healthy control subjects. METHODS: One hundred eleven patients were enrolled in a randomized, double-blind, placebo-controlled, parallel-group, 12-week, flexible-dose study. Efficacy assessments included the International Index of Erectile Function (IIEF), a global assessment question, and patient event log data. In a separate, nontreatment study, 109 control subjects also completed the IIEF. RESULTS: Mean IIEF scores at baseline were significantly lower for patients with ED than for control subjects without a history of ED. After treatment, mean IIEF scores for patients receiving sildenafil approached values observed in control subjects and were significantly higher than mean scores for patients receiving placebo (P<0.01). Responses to the global assessment question and patient log data corroborated the IIEF results. Sildenafil was well tolerated, with no discontinuations because of adverse events. CONCLUSIONS: The results indicate that sildenafil, an effective oral therapy for the treatment of broad-spectrum ED, is associated with a near normalization of patient erectile function.

Adult↗

Sonographic diagnosis of infantile hypertrophic pyloric stenosis.

Twenty-five consecutive sonographic examinations performed at Flinders Medical Centre for possible infantile hypertrophic pyloric stenosis (IHPS) were analyzed retrospectively. The results and a pyloric muscle index calculated by a formula using length, diameter, muscle thickness, and body weight were compared with the clinical outcome (surgery or conservative management). In the children without IHPS, the calculated pyloric muscle index was less than 0.2, whereas in infants with proven pyloric stenosis, the index was greater than 0.2 (P < 0.001). This result suggested that the published index upper limit of > 0.4 to 0.46 was not valid in our institution. Pyloric length to muscle thickness ratio was also found to predict IHPS. A simplified index, including only length and muscle thickness, is proposed, whereby length (mm) plus 3.64 times thickness (mm), when greater than 25, implies IHPS.

Humans↗

Morbidity after termination of pregnancy in first trimester.

The outcome of termination of pregnancy was observed in relation to the preoperative clinical and microbiological findings in 167 women attending a day care abortion unit in Liverpool. Before termination, Chlamydia trachomatis was isolated from the cervix of 19 (11%) of the patients and high counts (greater than 10(4) colour changing units (ccu) per ml of specimen) of mycoplasmas were found in 30 (18%). Coexistent infections with chlamydiae and high counts of mycoplasmas occurred in only seven (4%) women. Trichomonas vaginalis, yeasts, or pathogenic bacteria were found in vaginal swabs from 30 (18%) women. After undergoing termination, seven (4%) women developed pelvic inflammatory disease (PID), five (71%) of whom had yielded C trachomatis before undergoing termination. A further 13 (8%) patients developed minor morbidity of the upper genital tract; high count mycoplasmal infection had been found in seven (54%) and chlamydial infection in three (23%) of these women before termination. In contrast, C trachomatis had been isolated from only 11 (8%) and high counts of mycoplasmas from 23 (16%) of the 147 women who had uneventful recoveries after undergoing termination. No correlation was apparent between the presence of vaginal pathogens before termination and the development of untoward sequelae postoperatively. Neither the history nor clinical examination before termination would have indicated that chlamydial or mycoplasmal infections were present, or that postoperative complications were likely to occur. Abnormal cervical cytology, however, was found in 86 (52%) of women overall, including 15 (79%) of the 19 women with chlamydial infection.

Abortion, Induced↗

Talking about bowels.

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Constipation↗