Cliodna A M McNulty

Cliodna A M McNulty

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Research Focus & Metrics

Academic Career Length

36Years (1991-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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1 August 2007 in Journal of Antimicrobial Chemotherapy
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Journal Article
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CMCliodna A M McNulty
Cliodna A M McNulty
PBPaul Boyle
Paul Boyle
TNTom Nichols
Tom Nichols
PCPeter Clappison
Peter Clappison
PDPeter Davey
Peter Davey
Although a third of the public still believe that antibiotics work against coughs and colds, simply getting the public to believe otherwise may not be enough to reduce the level of prescribing. The large Department of Health sponsored household survey demonstrated that those with a greater knowledge about antibiotics were no less likely to be prescribed an antibiotic, and although those with increased knowledge about antibiotics were more likely to complete a course they were also more likely to self-medicate and to keep left-over antibiotics. Future campaigns that are aimed at reducing the level of prescribing should be focused towards those more likely to be prescribed antibiotics at present: younger women and those with a lower level of education. They should also examine and consider modifying consultation behaviour and other behavioural components involved in patient' expectations for antibiotics. This should include delayed antibiotic prescriptions. The easiest way to reduce the use of leftovers may be to shorten the course of antibiotics prescribed to 3 or 5 days. We should also promote a ‘Do not recycle antibiotics’ message towards the more highly educated, young women who are more likely to store, take and share antibiotics without advice.

1 July 2013 in British Journal of General Practice
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Journal Article
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CMCliodna A M McNulty
Cliodna A M McNulty
TNTom Nichols
Tom Nichols
DFDavid P French
David P French
PJPuja Joshi
Puja Joshi
CBChris C Butler
Chris C Butler
Background Respiratory tract infection (RTI) is the commonest indication for community antibiotic prescriptions. Prescribing is rising and is influenced by patients’ consulting behaviour and beliefs. Aim To build up a profile of the ‘RTI clinical iceberg’ by exploring how the general public manage RTI, visit GPs and why. Design and setting Two-phase qualitative and quantitative study in England. Method Qualitative interviews with 17 participants with acute RTI visiting pharmacies in England, and face-to-face questionnaire survey of 1767 adults ≥15 years in households in England during January 2011. Results Qualitative interviews: interviewees with RTI visited GPs if they considered their symptoms were prolonged, or severe enough to cause pain, or interfered with daily activities or sleep. Questionnaire: 58% reported having had an RTI in the previous 6 months, and 19.7% (95% CI = 16.8 to 22.9%) of these contacted or visited their GP surgery for this, most commonly because ‘the symptoms were severe’; or ‘after several days the symptoms hadn’t improved’; 10.3% of those experiencing an RTI (or 53.1% of those contacting their GP about it) expected an antibiotic prescription. Responders were more likely to believe antibiotics would be effective for a cough with green rather than clear phlegm. Perceptions of side effects of antibiotics did not influence expectations for antibiotics. Almost all who reported asking for an antibiotic were prescribed one, but 25% did not finish them. Conclusion One-fifth of those with an RTI contact their GP and most who ask for antibiotics are prescribed them. A better public understanding about the lack of benefit of antibiotics for most RTIs and addressing concerns about illness duration and severity, could reduce GP consultations and antibiotic prescriptions for RTI.

27 February 2019 in BMJ
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Journal Article
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KPKoen Pouwels
Koen Pouwels
SHSusan Hopkins
Susan Hopkins
MLMartin J Llewelyn
Martin J Llewelyn
AWAnn Sarah Walker
Ann Sarah Walker
CMCliodna A M McNulty
Cliodna A M McNulty
JRJulie V Robotham
Julie V Robotham
Objective To evaluate the duration of prescriptions for antibiotic treatment for common infections in English primary care and to compare this with guideline recommendations. Design Cross sectional study. Setting General practices contributing to The Health Improvement Network database, 2013-15. Participants 931 015 consultations that resulted in an antibiotic prescription for one of several indications: acute sinusitis, acute sore throat, acute cough and bronchitis, pneumonia, acute exacerbation of chronic obstructive pulmonary disease (COPD), acute otitis media, acute cystitis, acute prostatitis, pyelonephritis, cellulitis, impetigo, scarlet fever, and gastroenteritis. Main outcome measures The main outcomes were the percentage of antibiotic prescriptions with a duration exceeding the guideline recommendation and the total number of days beyond the recommended duration for each indication. Results The most common reasons for antibiotics being prescribed were acute cough and bronchitis (386 972, 41.6% of the included consultations), acute sore throat (239 231, 25.7%), acute otitis media (83 054, 8.9%), and acute sinusitis (76 683, 8.2%). Antibiotic treatments for upper respiratory tract indications and acute cough and bronchitis accounted for more than two thirds of the total prescriptions considered, and 80% or more of these treatment courses exceeded guideline recommendations. Notable exceptions were acute sinusitis, where only 9.6% (95% confidence interval 9.4% to 9.9%) of prescriptions exceeded seven days and acute sore throat where only 2.1% (2.0% to 2.1%) exceeded 10 days (recent guidance recommends five days). More than half of the antibiotic prescriptions were for longer than guidelines recommend for acute cystitis among females (54.6%, 54.1% to 55.0%). The percentage of antibiotic prescriptions exceeding the recommended duration was lower for most non-respiratory infections. For the 931 015 included consultations resulting in antibiotic prescriptions, about 1.3 million days were beyond the durations recommended by guidelines. Conclusion For most common infections treated in primary care, a substantial proportion of antibiotic prescriptions have durations exceeding those recommended in guidelines. Substantial reductions in antibiotic exposure can be accomplished by aligning antibiotic prescription durations with guidelines.

6 September 2006 in Journal of Antimicrobial Chemotherapy
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Journal Article
Open access
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CMCliodna A M McNulty
Cliodna A M McNulty
JRJ. Richards
J. Richards
DLD. M. Livermore
D. M. Livermore
Paul LittlePaul Little
Paul Little
ACA. Charlett
A. Charlett
MTM. Thomas
M. Thomas
Objectives: To determine whether patients with an uncomplicated community-acquired urinary tract infection (UTI) and an isolate resistant to trimethoprim had worse clinical outcomes following empirical treatment with trimethoprim 200 mg twice daily for 3 days than did those with a susceptible isolate. Patients and methods: This was a prospective cohort study of clinical outcome. We enrolled 497 women (≥18–70 years) presenting to general practitioner surgeries in Norwich and Gloucester with at least two symptoms of acute (<7 days) uncomplicated UTI. Significant bacteriuria was defined as ≥104 cfu/mL from a mid-stream urine (MSU). Results: Of enrolled patients 75% (334/448) had significant bacteriuria, and trimethoprim resistance was present in 13.9% (44/317) of isolates. Patients with resistant isolates had a longer median time to symptom resolution (7 versus 4 days, P = 0.0002), greater reconsultation to the practice (39% versus 6% in first week, P < 0.0001), more subsequent antibiotics (36% versus 4% in first week, P < 0.0001) and higher rates of significant bacteriuria at 1 month (42% versus 20% with susceptible isolate, P = 0.04). Half of patients reconsulting in the first week had a resistant organism. Conclusions: Patients with uncomplicated UTI caused by trimethoprim-resistant organisms had significantly worse clinical outcomes than those with trimethoprim-susceptible organisms. Nevertheless, trimethoprim resistance was rarer than predicted from routine laboratory submissions and we calculate that 23 women require microbiological investigation to prevent one reconsultation arising from resistance-based treatment failure. We therefore suggest empirical antibiotic treatment in acute, uncomplicated UTIs. If patients reconsult in the first week, we suggest a change of antibiotic treatment with urine culture and susceptibility testing then done. More generally, laboratory resources should concentrate on resistance surveillance to inform empirical antibiotic choice.

20 May 2010 in Journal of Antimicrobial Chemotherapy
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Journal Article
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CMCliodna A M McNulty
Cliodna A M McNulty
TNTom Nichols
Tom Nichols
PBPaul J. Boyle
Paul J. Boyle
MWMark Woodhead
Mark Woodhead
PDPeter Davey
Peter Davey
To determine the effect of the 2008 English public antibiotic campaigns. English and Scottish (acting as controls) adults aged ≥15 years were questioned face to face about their attitudes to and use of antibiotics, in January 2008 (1888) before and in January 2009 (1830) after the antibiotic campaigns. Among English respondents, there was a small increase in recollection of campaign posters (2009 23.7% versus 2008 19.2%; P = 0.03), but this increase was only 2.3% higher in England than in Scotland. We did not detect any improvement in either England or Scotland, or any differences between England and Scotland in the understanding of the lack of benefit of antibiotics for coughs and colds, and we found no improvement in antibiotic use. We detected a significant increase in respondents retaining leftover antibiotics. Over 20% reported discussing antibiotics with their general practitioner (GP) or nurse in the year to January 2009. The offer of a delayed antibiotic prescription was reported significantly more often by English respondents (19% versus 8% Scottish in 2009; P = 0.01), and English respondents were advised to use other remedies for coughs and colds significantly more often in the year to January 2009 (12.7% in 2009 versus 7.4% in 2008; P < 0.001). There is little evidence that the 2008 public antibiotic campaigns were effective. The use and visibility of future campaign materials needs auditing. A carefully planned approach that targets the public in GP waiting rooms and through clinicians in consultations may be a more effective way of improving prudent antibiotic use.

1 June 2011 in Journal of Antimicrobial Chemotherapy
Verified
Journal Article
Open access
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CMCliodna A M McNulty
Cliodna A M McNulty
Donna Marie LeckyDonna Marie Lecky
Donna Marie Lecky
DFDavid Farrell
David Farrell
PKPatty Kostkova
Patty Kostkova
NANiels Adriaenssens
Niels Adriaenssens
IFIan Fisher
Ian Fisher
Antibiotic resistance is an increasing community problem and is related to antibiotic use. If antibiotic use could be reduced, the tide of increasing resistance could be stemmed. e-Bug is a European project involving 18 European countries, partly funded by The Directorate-General for Health and Consumers (DG SANCO) of the European Commission. It aims to develop and disseminate across Europe a junior and senior school teaching pack and web site (hosting the lesson plans and complementary games) that teach young people about prudent antibiotic use, microbes, transmission of infection, hygiene and vaccines. The aim of e-Bug is to increase young people's understanding, through enjoyable activities, of why it is so important to use antibiotics correctly in order to control antibiotic resistance, and to have good hand and respiratory hygiene to help reduce the spread of infection. Within the senior school pack the sexual transmission of infections has also been included, as the peak age of chlamydial infection is in 16–24 year olds. Teachers, young people and the consortium of 18 countries were closely involved with agreeing learning outcomes and developing the resource activities. Young people helped create the characters and microbe artwork. The resources have been translated, adapted for and disseminated to schools across 10 countries in Europe, and endorsed by the relevant government departments of health and education. The web site has been accessed from >200 countries. The resources will be translated into all European Union languages, and have been used to promote European Antibiotic Awareness Day and better hand and respiratory hygiene during the influenza pandemic in 2009.