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Biomedical subjects

M R Partridge

Publications and source records attributed to M R Partridge.

At least 19 recordsLinked to original sources

How is difficult asthma managed?

Most patients with asthma can be easily treated. Some have difficult asthma; in some because the diagnosis is erroneous, in others because of comorbidity or noncompliance. A European Respiratory Society Task Force has called for an integrated approach for these patients, and positive results have been reported using protocols. In the UK, there is no overall understanding of the size of this problem, or how these patients are managed. A postal survey of 683 consultant members of the British Thoracic Society designed to elicit respondents' views on how they would manage four clinical scenarios was conducted. There was a 50.4% response rate. Few reported a uniform approach to the investigation of such patients. The availability of allied healthcare professionals was variable. The 21 consultant respiratory physicans, reporting a special interest in difficult asthma, were significantly more likely to objectively assess compliance, perform skin-prick tests and to utilise a liaison psychiatrist than those without an expressed special interest in asthma. Many reported difficulty in accessing psychologists, liaison psychiatrists and social workers. Approaches to the diagnosis and management of "vocal cord dysfunction" were variable. The results of this postal survey of specialist thoracic physicians in the UK suggest that a protocol for difficult asthma is not in widespread use and that access to necessary allied healthcare professionals is not uniform. Pulmonologists with a declared special interest in difficult asthma may have configured their services and approaches more in line with that proposed by the European Respiratory Society Task Force.

Asthma↗

Understanding reasons for asthma outpatient (non)-attendance and exploring the role of telephone and e-consulting in facilitating access to care: exploratory qualitative study.

OBJECTIVE: To understand factors influencing patients' decisions to attend for outpatient follow up consultations for asthma and to explore patients' attitudes to telephone and email consultations in facilitating access to asthma care. DESIGN: Exploratory qualitative study using in depth interviews. SETTING: Hospital outpatient clinic in West London. PARTICIPANTS: Nineteen patients with moderate to severe asthma (12 "attenders" and 7 "non-attenders"). RESULTS: Patients' main reasons for attending were the wish to improve control over asthma symptoms and a concern not to jeopardise the valued relationship with their doctor. Memory lapses, poor health, and disillusionment with the structure of outpatient care were important factors implicated in non-attendance. The patients were generally sceptical about the suggestion that greater opportunity for telephone consulting might improve access to care. They expressed concerns about the difficulties in effectively communicating through non-face to face media and were worried that clinicians would not be in a position to perform an adequate physical examination over the telephone. Email and text messaging were viewed as potentially useful for sending appointment reminders and sharing clinical information but were not considered to be acceptable alternatives to the face to face clinic encounter. CONCLUSIONS: Memory lapses, impaired mobility due to poor health, and frustration with outpatient clinic organisation resulting in long waiting times and discontinuity of care are factors that deter patients from attending for hospital asthma assessments. The idea of telephone review assessments was viewed with scepticism by most study subjects. Particular attention should be given to explaining to patients the benefits of telephone consultations, and to seeking their views as to whether they would like to try them out before replacing face to face consultations with them. Email and text messaging may have a role in issuing reminders about imminent appointments.

Adult↗

A pilot study to assess the possible methods of determining the burden of obstructive sleep apnoea syndrome in primary care.

INTRODUCTION: A significant minority of otherwise healthy adults may suffer from disordered breathing during sleep. The commonest problem, known as Obstructive Sleep Apnoea Syndrome (OSAS), results in poor quality sleep, daytime hypersomnolence and excess risk of road traffic crashes. It is also associated with occupational injuries. OSAS can be successfully treated, reducing costs of hospitalisation. There is a gap in the literature regarding the burden of patients with OSAS in primary care, particularly because there is no agreed method for screening. OBJECTIVES: This pilot study was designed to determine the feasibility of screening for OSAS in a UK inner-city multi-ethnic primary care population, to investigate ways in which it might be detected, and to gain an awareness of the potential size of the burden of OSAS METHODS: We tested two methods of screening: firstly, postal questionnaires to a random sample of 240 patients from a subset of the population at highest risk of OSAS (men aged 35-65 years); and secondly, the same questionnaire plus two screening tools for detecting hypersomnolence, given to patients attending the practice for pre-registration health checks. RESULTS: Despite reminders, only 40% of postal questionnaires were returned and there were only 67 (28%) usable responses. The prevalence of snoring was 55%. Almost half of those patients who responded (46%) had a Body Mass Index (BMI) associated with a high risk of OSAS. This was not a positive responder bias because there were no significant differences in BMI between responders and non-responders. 12% had a collar size of greater than 17.5, whilst 34% reported daytime sleepiness, and 24% reported witnessed apnoea. Screening during pre-registration health checks proved both feasible and productive with 38 patients of differing linguistic abilities completing the assessment. CONCLUSION: Screening for OSAS in primary care by means of a postal questionnaire produced a low response. Whilst there was no evidence of a responder bias in terms of BMI, the numbers reporting large collar size, daytime sleepiness and witnessed apnoea suggest that a sizeable proportion of the population is at risk of OSAS. Questionnaires used in this study provide a means of identifying patients with symptoms suggestive of OSAS, although the sensitivity, specificity and positive predictive value of a self-administered instrument needs to be confirmed by a larger study incorporating ventilatory monitoring during sleep. The addition of screening to pre-registration health checks is feasible, but it would take a long time to screen all those at risk for OSAS by this route.

Journal Article↗

Research outputs in respiratory medicine.

BACKGROUND: There is currently little information regarding how much the distribution of research activity in respiratory medicine reflects the interests of its clinicians and scientists, the disease burden in any country, or the availability of funding. METHODS: A total of 81,419 respiratory medicine publications identified in the Science Citation Index for the years 1996-2001 were assigned to 14 subject areas (mainly based on title words) and to 15 OECD countries. Outputs were compared with a nation's disease burdens and, for the UK, the sources of research funding were investigated. RESULTS AND CONCLUSIONS: Overall, Finland, Canada, Spain and the UK had the greatest relative commitment to respiratory medicine research expressed as a ratio of their share of world biomedical research. The largest subject areas were asthma, lung cancer, and paediatric lung disease, each with over 1400 papers published per year. Australia and Canada led in relative commitment to sleep research and Sweden and Finland led in research on asthma. Australia and the UK produced significant numbers of publications on cystic fibrosis (CF) but Finland produced few. The Netherlands has a strong output on chronic obstructive pulmonary disease (COPD), France and the UK on diffuse parenchymal lung disease (DPLD), and Finland dominated occupational lung disease research but had few publications on HIV/AIDS where Spain proportionately produced most. Finland and Australia had strong outputs in paediatric lung disease research. For most subject areas the research output of a country correlated poorly with disease burden. In the UK, lung cancer research appeared unduly low in relation to the number of deaths and COPD outputs were low compared with those for asthma. However, correlations were positive for the burden of CF and pulmonary complications of HIV/AIDS which explains, for example, the low outputs in these subject areas from Finland. The strong performance in CF research in the UK is likely to reflect significant charitable funding, while sleep research, pulmonary circulatory disease, and DPLD had little stated external funding or sponsorship.

Bibliometrics↗

Exacerbations of COPD: quantifying the patient's perspective using discrete choice modelling.

Patient-centred care is the current vogue in chronic obstructive pulmonary disease (COPD), but it is only recently that robust techniques have become available to determine patients' values and preferences. In this international cross-sectional study, patients' concerns and expectations regarding COPD exacerbations were explored using discrete choice modelling. A fractional factorial design was used to develop scenarios comprising a combination of levels for nine different attributes. In face-to-face interviews, patients were presented with paired scenarios and asked to choose the least preferable. Multinomial logit (with hierarchical Bayes) methods were used to estimate utilities. A total of 125 patients (82 males; mean age 66 yrs; 4.6 mean exacerbations.yr-1) were recruited. The attributes of exacerbations considered most important were impact on everyday life (20%), need for medical care (16%), number of future attacks (12%) and breathlessness (11%). The next most important attributes were speed of recovery, productive cough and social impact (all 9%), followed by sleep disturbance and impact on mood (both 7%). Importantly, analysis of utility shifts showed that patients most feared being hospitalised, housebound or bedridden. These issues were more important than symptom improvement. Strategies for the clinical management of chronic obstructive pulmonary disease should clearly address patients' concerns and focus on preventing and treating exacerbations to avoid these feared outcomes.

Aged↗

The dissemination of the British Guideline on the Management of Asthma 2003.

The BTS/SIGN British Guideline on the Management of Asthma was published in February 2003 (4). If health outcomes are to be influenced successfully, dissemination of the guideline and implementation of recommendations is essential. We report the dissemination activities undertaken during the 18 weeks following the guideline launch. To facilitate implementation a range of educational materials were produced reflecting the key messages from the guideline. In addition to postal mailing of the guideline to appropriate healthcare professionals, both educational materials and the guidelines were made freely available from the BTS and SIGN websites. In total, 135,710 copies of the guideline and 90,198 copies of the Quick Reference Guide were downloaded in the first 18 weeks, representing a considerable increase over the number of copies of the 1997 guidelines disseminated by mailing alone. Large quantities of educational materials were downloaded with many used for teaching purposes. An on-line survey suggested that most respondents rated the materials as useful or very useful. Using websites to disseminate guidelines is a cost-effective method of informing health professionals of their content and is a more active process than the passive receipt of mailed copies. The availability of interactive educational materials for use in teaching appears to have been popular.

Asthma↗

Is virtual bronchoscopy useful for physicians practising in a district general hospital?

BACKGROUND: Virtual bronchoscopy software is now available to district general hospitals (DGHs). There is limited information on the clinical utility of virtual bronchoscopy and whether it offers any additional information over conventional axial computed tomography in the setting of a busy DGH chest unit. METHODS: Virtual bronchoscopy and computed tomography findings were compared in all patients who had a virtual bronchoscopy study over a 12 month period. RESULTS: Eighteen consecutive patients had virtual bronchoscopy for a specific clinical indication over the study period. Additional information was conveyed by virtual bronchoscopy in five patients (in four patients the airways distal to an obstruction were better visualised thereby influencing decisions about airway stenting and in one patient the virtual bronchoscopy study showed an endobronchial lesion missed on computed tomography). In nine patients who were unfit for fibreoptic bronchoscopy (FOB) the radiologist was more confident in excluding an obstructive airway lesion. The main indication for performing a virtual bronchoscopy study was to rule out an obstructive airway lesion in patients who were unfit for FOB (n = 11). CONCLUSION: Virtual bronchoscopy is feasible and useful in the management of a few selected patients in a DGH chest unit. Virtual bronchoscopy may convey additional information over computed tomography when the distal airways need to be visualised and for discrete endoluminal lesions.

Adult↗

Crosscultural communication in those with airway diseases.

Transcultural consultations are becoming commonplace. Such consultations arise because patients from ethnic groups consult doctors, but also because patients consult doctors from other ethnic backgrounds. Such consultations require a cultural awareness and sensitivity which may be particularly necessary when concerning those with respiratory illnesses which are often long-term and about which there may be considerable stigma. The prevalence of respiratory disease can vary between ethnic groups, most noticeably in tuberculosis and smoking; and in diseases such as asthma, health service usage and treatment can vary significantly with ethnicity. Some of this may represent cultural, rather than disease specific differences. Good communication is essential throughout medical practice, but in transcultural consultations it is especially important that the doctor pays appropriate attention to likely patient beliefs and approaches to shared decision making. Usual negotiation regarding goals and outcomes first requires the clinician to understand how a patient's understanding of illness may vary from a traditional western scientific approach. Special attention needs to be paid to the optimal way of using interpreters and more time is often needed for crosscultural consultations. Specific training is necessary for health practitioners to enable them to acquire the skills for crosscultural care and this involves learning about other cultures and an appreciation of how a change in attitude often needs to be incorporated into the clinical approach. Acquiring these skills and understandings to facilitate optimal transcultural consultation enables transfer of these skills to other similar clinical scenarios such as the approach to those with disability. The global burden of long-term respiratory disease, both infectious and noncommunicable, coupled with increased migration and geographical mobility means that a successful crosscultural approach is now a priority area for attention.

Attitude of Health Personnel↗

Positivity in illness: self-delusion or existential growth?

OBJECTIVES: This study investigated the relationship between a measure of positivity in illness, the Silver Lining Questionnaire (SLQ), and measures of personality and spirituality/religious beliefs as a way of determining whether positivity in illness is a delusion or existential growth. METHOD: This is a cross-sectional study comparing response to the SLQ, to the Eysenck Personality Questionnaire (EPQ-R), breathlessness, illness type, and spiritual and religious beliefs in a final total sample of 194 respiratory outpatients. RESULTS: The SLQ was associated positively with extraversion (r =.16, p<.05), unrelated to neuroticism (r =.11, n.s.) and repression (r =.10, n.s.) and was positively associated with spiritual and religious beliefs, F(2; 187) = 7.12, p < 001, as predicted by the existential growth but not the delusion interpretation. There was no relationship between positivity and age, r(194) =.09, n.s., or between positivity and gender t(192) = -1.27, n.s., and nor were there relationships with type of illness, F(4, 188) = 2.17, n.s., or breathlessness, F (5, 173) = 0.42, n.s. CONCLUSIONS: The results suggest that positivity in illness is associated with existential growth, though the cross-sectional nature of the study precludes a conclusion of causal direction. The non-significant correlation between the SLQ and neuroticism is in the opposite direction predicted by the delusion explanation, but the non-significant relationship between the SLQ and repression is in the predicted direction. We cannot rule out the possibility that some positivity is delusion.

Adaptation, Psychological↗

The use of complementary medicines by those with asthma.

Complementary therapies attract considerable media attention and previous surveys of members of an asthma patient organisation suggested that their use by those with asthma was commonplace. This report concerns a study of a stratified cross section of the asthma population designed to give a more representative insight into current usage of complementary therapies. A sift questionnaire was used to identify those with asthma and 785 of those so identified undertook a semi-structured face-to-face interview. Only 6% of the study population were current users of complementary therapies with use being more common amongst those who expressed most concern regarding their current medication. Low use of complementary therapies may well reflect satisfaction with current management and suggests that previous surveys may have been unrepresentative of a more balanced population of those with asthma.

Adolescent↗

Self-management education for patients with chronic obstructive pulmonary disease: a systematic review.

BACKGROUND: The idea of self-management is to teach patients how to carry out the activities of daily living optimally in the face of their physiological impairment, and to prevent or decrease the severity of exacerbations by means of life style adaptation. In chronic obstructive pulmonary disease (COPD) the value of self-management education is not clear. This review was undertaken to clarify the effectiveness of self-management programmes in COPD. METHODS: A search was made of the Cochrane Airways Group trial registers, Medline, reference lists, and abstracts of medical conferences for controlled trials of self-management education in patients with COPD. Two reviewers independently assessed each paper for methodological quality and extracted the data. RESULTS: The reviewers included 12 articles describing eight randomised controlled trials and one controlled clinical trial in which self-management education was compared with usual care. The studies assessed a broad spectrum of outcome measures with different follow up times so meta-analysis could not be undertaken. Self-management education had no effect on hospital admissions, emergency room visits, days lost from work, and lung function. Inconclusive results were observed on health related quality of life, COPD symptoms, and use of healthcare facilities such as doctor and nurse visits. Self-management education reduced the need for rescue medication and led to increased use of courses of oral steroids and antibiotics for respiratory symptoms. CONCLUSIONS: Insufficient data were obtained to make recommendations because of the wide variation in outcome measures used and other limitations to generalisations in the current published literature. Further research in this area is needed.

Female↗

Translating research into practice: how are guidelines implemented?

Numerous guidelines have now been produced both nationally and internationally for the management of respiratory and nonrespiratory disease. They should be regarded as useful tools designed to aid the busy clinician, but their method of production, their value and especially their applicability to primary care and to low income countries need to be assessed critically. The production of guidelines needs to be carefully incorporated into a planned dissemination and implementation programme. This is likely to be most successful when use is made of interactive educational methods associated with intraconsultation prompting and use of reminders. Updating and life-long learning is necessary and guideline revisions need to be closely incorporated into continuing medical education programmes. National campaigns, the use of media and the "training" of patients to make them more effective partners in healthcare can all enhance a beneficial change in health professional behaviour. Recent research has enhanced the knowledge of a wide range of respiratory conditions and very effective therapies now exist for many conditions. However, too little attention is often given to the ways in which care is organised and to the important aspects of management that are nonpharmacological. When dealing with long-term conditions, long-term supervision and the teaching of self-management skills are as important as the prescription. In many parts of the world the ideals, as laid out in guidelines, remain dreams and will continue to be dreams until there is some global redistribution of wealth. Only then will research be translated into practice everywhere.

Attitude of Health Personnel↗