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Biomedical subjects

Richard Mayon-White

Publications and source records attributed to Richard Mayon-White.

8 recordsLinked to original sources
PubMed2006

Whooping cough in school age children with persistent cough: prospective cohort study in primary care.

OBJECTIVE: To estimate the proportion of school age children with a persistent cough who have evidence of a recent Bordetella pertussis infection. DESIGN: Prospective cohort study (October 2001 to March 2005). SETTING: General practices in Oxfordshire, England. PARTICIPANTS: 172 children aged 5-16 years who presented to their general practitioner with a cough lasting 14 days or more who consented to have a blood test. MAIN OUTCOME MEASURES: Serological evidence of a recent Bordetella pertussis infection; symptoms at presentation; duration and severity of cough; sleep disturbance (parents and child). RESULTS: 64 (37.2%, 95% confidence interval 30.0% to 44.4%) children had serological evidence of a recent Bordetella pertussis infection; 55 (85.9%) of these children had been fully immunised. At presentation, children with whooping cough were more likely than others to have whooping (odds ratio 2.85, 95% confidence interval 1.39 to 5.82), vomiting (4.35, 2.04 to 9.25), and sputum production (2.39, 1.14 to 5.02). Children with whooping cough were also more likely to still be coughing two months after the start of their illness (85% v 48%; P = 0.001), continue to have more than five coughing episodes a day (P = 0.049), and cause sleep disturbance for their parents (P = 0.003). CONCLUSIONS: For school age children presenting to primary care with a cough lasting two weeks or more, a diagnosis of whooping cough should be considered even if the child has been immunised. Making a secure diagnosis of whooping cough may prevent inappropriate investigations and treatment.

Adolescent↗
PubMed2006

Parenteral penicillin for children with meningococcal disease before hospital admission: case-control study.

OBJECTIVE: To explore the impact on mortality and morbidity of parenteral penicillin given to children before admission to hospital with suspected meningococcal disease. DESIGN: Retrospective comparison of fatal and non-fatal cases. SETTING: England, Wales, and Northern Ireland; December 1997 to February 1999. PARTICIPANTS: 158 children aged 0-16 years (26 died, 132 survived) in whom a general practitioner had made the diagnosis of meningococcal disease before hospital admission. RESULTS: Administration of parenteral penicillin by general practitioners was associated with increased odds ratios for death (7.4, 95% confidence interval 1.5 to 37.7) and complications in survivors (5.0, 1.7 to 15.0). Children who received penicillin had more severe disease on admission (median Glasgow meningococcal septicaemia prognostic score (GMSPS) 6.5 v 4.0, P = 0.002). Severity on admission did not differ significantly with time taken to reach hospital. CONCLUSIONS: Children who were given parenteral penicillin by a general practitioner had more severe disease on reaching hospital than those who were not given penicillin before admission. The association with poor outcome may be because children who are more severely ill are being given penicillin before admission.

Adolescent↗
PubMed2006

Clinical recognition of meningococcal disease in children and adolescents.

BACKGROUND: Meningococcal disease is a rapidly progressive childhood infection of global importance. To our knowledge, no systematic quantitative research exists into the occurrence of symptoms before admission to hospital. METHODS: Data were obtained from questionnaires answered by parents and from primary-care records for the course of illness before admission to hospital in 448 children (103 fatal, 345 non-fatal), aged 16 years or younger, with meningococcal disease. In 373 cases, diagnosis was confirmed with microbiological techniques. The rest of the children were included because they had a purpuric rash, and either meningitis or evidence of septicaemic shock. Results were standardised to UK case-fatality rates. FINDINGS: The time-window for clinical diagnosis was narrow. Most children had only non-specific symptoms in the first 4-6 h, but were close to death by 24 h. Only 165 (51%) children were sent to hospital after the first consultation. The classic features of haemorrhagic rash, meningism, and impaired consciousness developed late (median onset 13-22 h). By contrast, 72% of children had early symptoms of sepsis (leg pains, cold hands and feet, abnormal skin colour) that first developed at a median time of 8 h, much earlier than the median time to hospital admission of 19 h. INTERPRETATION: Classic clinical features of meningococcal disease appear late in the illness. Recognising early symptoms of sepsis could increase the proportion of children identified by primary-care clinicians and shorten the time to hospital admission. The framework within which meningococcal disease is diagnosed should be changed to emphasise identification of these early symptoms by parents and clinicians.

Adolescent↗
PubMed2006

Parental views on the introduction of an infant pneumococcal vaccine.

Streptococcus pneumoniae is a major cause of early childhood morbidity and mortality. A heptavalent pneumococcal conjugate vaccine (PnC7) is licensed for use and could prevent the majority of infant invasive pneumococcal infections. A recent announcement confirmed its inclusion into the U.K. childhood immunisation programme. In anticipation of PnC7 being recommended for use, this study explored parental understanding of pneumococcal disease and their views on the possible introduction of this vaccine. Twenty three interviews and two focus groups were held with parents of children under two years of age. Four main themes emerged from the data analysis: 'Confidence and belief in immunisation'; 'Anxiety about immunisation'; 'Trust and understanding of immunisation information' and 'Response to a new immunisation'. Overall parental confidence in immunisation has been affected by the MMR controversy. With little knowledge of pneumococcal disease, parents want information about the safety and effectiveness of PnC7. Information needs to be conveyed in a way that restores parents' trust in immunisation.

Adult↗
PubMed2005

Why do general practitioners prescribe antibiotics for acute infective conjunctivitis in children? Qualitative interviews with GPs and a questionnaire survey of parents and teachers.

BACKGROUND: Acute infective conjunctivitis in children is a common presentation in primary care. Treatment is usually with antibiotics and prescribing may be affected by non-clinical factors. AIMS: To investigate the non-clinical determinants of the management of acute infective conjunctivitis in children. DESIGN: Qualitative interviews with GPs and a questionnaire survey of parents of children with acute infective conjunctivitis and teachers. SETTING: GPs in Sheffield and Berkshire and parents of children with acute infective conjunctivitis and schools in Oxfordshire. METHODS: Semi-structured telephone interviews of 39 GPs. Questionnaire survey of 326 parents of children enrolled into a trial of acute infective conjunctivitis treatment. Questionnaire survey of 223 nurseries and primary schools in Oxfordshire. RESULTS: All three groups agreed that acute infective conjunctivitis was a mild condition. Parents were certain about the benefits of antibiotic treatment and sought early consultations with their GP in a desire to get their child back to school. GPs sometimes collude with a parent's request to prescribe to enable school attendance. Despite this 54.2% (95%CI 48.5-59.8%) children missed a mean of 1.85 days from school and 28.6% of parents (95%CI 23.5-33.7%) missed a mean of 1.5 days off work. CONCLUSION: Social factors, including the need for children to attend day care or school and parents to go to work, contribute to the decision to prescribe antibiotics for children with acute infective conjunctivitis. Understanding these issues and changing school policies in line with national guidance may reduce pressure on GPs to prescribe for this condition.

Adult↗
PubMed2003

Infection control in British nursing homes.

Infection control in British nursing homes is different from that in U.S. nursing homes in seveal ways. Most British nursing homes, for example, do not have a designated on-site infection control nurse, and several agencies are responsible for regulatory oversight. This article discusses the state of infection control in British nursing homes.

Health Care Surveys↗