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Biomedical subjects

Margaret Young

Publications and source records attributed to Margaret Young.

8 recordsLinked to original sources

A unique service in UK delivering Plastibell circumcision: review of 9-year results.

Muslim infants undergo circumcision for religious reasons and Bradford has a high Muslim population. The National Health Service in UK does not provide religious circumcision, so in 1996 a nurse-delivered circumcision service led by consultant urologists was set up at a no-profit and cost-only basis. Plastibell circumcision was offered to all infants between 6 and 14 weeks old and performed under local anaesthesia. Information leaflets and videotapes about the procedure were available to parents prior to the procedure. A three monthly audit of the service was undertaken. Between July 1996 and June 2005 (9 years) 1,129 circumcisions were performed. The common complications were problems with the ring (3.6%) and bleeding (3%). Overall, there was 96% satisfaction rate among the service users. The Plastibell technique for circumcision is a simple method and can be safely performed by trained nurses with acceptable complication rates.

Circumcision, Male↗

Drosophila ventral furrow morphogenesis: a proteomic analysis.

Ventral furrow formation is a key morphogenetic event during Drosophila gastrulation that leads to the internalization of mesodermal precursors. While genetic analysis has revealed the genes involved in the specification of ventral furrow cells, few of the structural proteins that act as mediators of ventral cell behavior have been identified. A comparative proteomics approach employing difference gel electrophoresis was used to identify more than fifty proteins with altered abundance levels or isoform changes in ventralized versus lateralized embryos. Curiously, the majority of protein differences between these embryos appeared well before gastrulation, only a few protein changes coincided with gastrulation, suggesting that the ventral cells are primed for cell shape change. Three proteasome subunits were found to differ between ventralized and lateralized embryos. RNAi knockdown of these proteasome subunits and time-dependent difference-proteins caused ventral furrow defects, validating the role of these proteins in ventral furrow morphogenesis.

Animals↗

Invasive pneumococcal disease in Australia, 2003.

There were 2,174 cases of invasive pneumococcal disease (IPD) notified to the National Notifiable Diseases Surveillance System (NNDSS) in Australia in 2003; a rate of 10.9 per 100,000 population. The notification rate varied between states and territories and by geographical region with the highest rates in the north of the country. Invasive pneumococcal disease was reported most frequently in children aged less than two years (98.8 cases per 100,000 population). Enhanced surveillance for IPD in 2003 was carried out in all states and territories, providing additional data on 1,842 (85%) of all notified cases. Rates of IPD in Indigenous Australians were three times the rate in non-Indigenous Australians. There were 125 deaths attributed to IPD resulting in an overall case fatality rate of 6.8 per cent. Seventy-one percent of all pneumococcal isolates serotyped were serotypes in the seven-valent conjugate vaccine and 91 per cent were serotypes in the 23-valent polysaccharide pneumococcal vaccine. The clinical presentation and risk factors for IPD varied between Indigenous and non-Indigenous cases and non-vaccine serotypes occurred more frequently among Indigenous children and adults. Data from three years of surveillance indicate an early impact of the 7-valent vaccine in the target population.

Adolescent↗

Guidelines for Adolescent Preventive Services: the GAPS in practice.

DESIGN: Pre- and post-Guidelines for Adolescent Preventive Services (GAPS) comparison of outcomes gathered via chart audit. SETTING: A rural hospital-based general pediatric clinic. PARTICIPANTS: Adolescents who underwent annual examinations between April 1, 1998, and March 31, 2001. A random sample of 441 medical records was reviewed. INTERVENTION: Training in the GAPS model and use of the questionnaire began in April 1998. MAIN OUTCOME MEASURES: Detection of, discussion of, and referrals for GAPS-related risk behavior. RESULTS: The medical records of 162 younger adolescents (aged 11-15 years) and 279 older adolescents (aged 16-19 years) were audited. Detection of risk behaviors increased from 19% at baseline to 95% with the initial GAPS and 87% with the periodic GAPS. The most prevalent risk factor was having a rifle or gun in the home (younger adolescents, 47% and older adolescents, 39%). The mean number of risk behaviors and health concerns documented was higher in the initial GAPS (4.8 and 1.3, respectively) than in the periodic GAPS (3.8 and 0.7) (P =.01 and.006). The GAPS questionnaires detected lower levels of risk behavior compared with a local Youth Risk Behavior Survey. Controlling for sex, age, and clinician, discussion of psychosocial topics increased during the study period; however, there was considerable variation among clinicians regarding the topics addressed. The GAPS-related referral rate did not change significantly. CONCLUSION: The GAPS model increases clinicians' detection and discussion of risk behaviors.

Adolescent↗

Daytime testing after laboratory or home-based polysomnography: comparisons of middle-aged insomnia sufferers and normal sleepers.

Many studies have shown only modest differences between insomnia sufferers and matched, non-complaining normal controls in regard to their levels of daytime sleepiness and diurnal performances. The current study was conducted to determine whether such daytime comparisons might be affected by the setting (home vs. sleep lab) in which study participants sleep on the nights before such testing. The study used a counter-balanced, matched-group design in which participants underwent three consecutive nocturnal polysomnographs (PSG) conducted either in the sleep lab or in their homes prior to undergoing daytime multiple sleep latency test (MSLT) and computer-administered performance testing. The study participants were 35 (18 women and 17 men) middle-aged (40-59 years) non-complaining normal sleepers and 33 middle-aged insomnia sufferers (17 women and 16 men) who met structured interview criteria for persistent primary insomnia. Use of a hierarchical linear statistical model showed only insomnia sufferers who underwent nocturnal home PSG were more alert on the MSLT than were normal sleepers who underwent lab PSG. However, these insomnia sufferers showed a greater propensity toward attention lapses on selected reaction time tests than did either of the two normal control groups (i.e. either those who slept in the lab or those who slept at home). The results suggest the nocturnal sleep setting (home vs. lab) may affect subsequent MSLT and performance test comparisons of insomnia sufferers and normal sleepers.

Adult↗

Surveillance of invasive meningococcal disease in Queensland, 2002.

During 2002, 124 cases of invasive meningococcal disease were notified in Queensland. This was similar to the previous year (n = 128). Four (3.2%) of the cases died. Trends by age and serogroup were generally similar to previous years and were consistent with the overall patterns of this disease in Australia. However, an apparent increase in serogroup C, which infected 41 per cent of cases, needs continued monitoring. This report highlights the need for continued surveillance of morbidity and mortality patterns and management of this disease. Ongoing surveillance will monitor the impact of the National Meningococcal C Vaccination Programme, commenced in early 2003. This report also highlights the need for ongoing community education to ensure people seek medical attention early after onset of the illness. This report shows that when general practitioners considered meningococcal disease as a diagnosis, their patients were admitted to hospital sooner than patients in whom this diagnosis was not initially considered. Acknowledging that early disease may present diagnostic difficulties, further awareness raising amongst general practitioners is required to promote early recognition and referral.

Adolescent↗