Abstract
Background
Clostridioides difficile infection (CDI) is a leading cause of healthcare-associated (HA) diarrhoea, contributing to patient morbidity and prolonged length-of-stay (LOS). We retrospectively assessed CDI over a decade in a national neurosurgical centre, with a multi-disciplinary approach to CDI surveillance and antimicrobial stewardship, by comparing CDI patients with other patient groups.
Methods
Data on CDI in neurosurgical inpatients between January 2012 and December 2021 were collated. Disease-specific variables were compared to other inpatients with CDI. Rates per 10,000 bed days used were calculated. Patient-specific differences were compared with neurosurgical patients without CDI. CDI rates by patient group were explored using odds ratio (OR) and χ2 analyses. Negative binomial regression was used to investigate CDI rates over time.
Results
Of 50 neurosurgical patients with CDI, all were HA; the average age was 53 years (standard deviation (SD) 16.3 years), 49 were first-episode CDI, and three had severe CDI. The majority (76.7%) had received recent antimicrobials. Compared with non-neurosurgical CDI patients, neurosurgical CDI rates differed significantly (1.9 versus 3.6 per 10,000 bed days used, p < 0.05), neurosurgical patients were younger (p ≤ 0.01), C. difficile testing was more likely to be requested by neurosurgeons (OR 2.4; p ≤ 0.01), and the proportion of severe CDI was higher (6% versus 2%, OR 3.0, p = 0.07, confidence interval (CI) 0.54 to 11.3). Within the neurosurgical cohort, CDI patients had an average LOS four times that of other patients (CI 15.2 to 35.1; p < 0.01) and were older (53.5 versus 47.8 years, CI 0.1 to 11 years; p < 0.05). Only one CDI outbreak was linked to neurosurgical patients.
Conclusion
CDI in neurosurgery patients differed from the wider hospital, with greater awareness of CDI testing. Longer LOS impacted bed utilisation with limited capacity. Robust surveillance supports proactive antimicrobial stewardship programmes in this vulnerable population.
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Data availability
All data used in this study has been stored as per ethics approval by the Beaumont Hospital Ethics Committee (REC reference 19/33).
Code availability
Not applicable.
Abbreviations
- BDU:
-
Bed days used
- CA:
-
Community-associated
- CI:
-
Confidence interval
- CDI:
-
Clostridioides difficile infection
- EVD:
-
External ventricular drain
- HA:
-
Healthcare-associated
- IQR:
-
Interquartile range
- IPC:
-
Infection prevention and control
- LOS:
-
Length of stay
- MDT:
-
Multi-disciplinary team
- N-ICU:
-
Neurosurgical intensive care unit
- OR:
-
Odds ratio
- RT:
-
Ribotype
- SD:
-
Standard deviation
- SAH:
-
Subarachnoid haemorrhage
- SAP:
-
Surgical antimicrobial prophylaxis
- UTI:
-
Urinary tract infection
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Acknowledgements
We are grateful for the assistance of Nora Hourigan, Business Intelligence Manager, and staff in Management Information; Paula Corr, Clinical Nurse Manager, Neurosurgery Research and Audit; and finally, the staff of the Microbiology, Infection Prevention and Control, and Neurosurgery Departments.
Funding
MS is supported by the Irish Research Council as part of the Employment-Based Postgraduate Programme (EBPPG/2022/196).
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MS and FF contributed to the study conception and design. Material preparation, data collection and analysis were performed by MS. The first draft of the manuscript was written by FF and ML, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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The study was approved by the Beaumont Hospital Ethics Committee (REC reference 19/33).
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Not applicable as all data used in this research was retrospective and fully anonymised at source.
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Not applicable as all data used in this research was retrospective and fully anonymised at source.
Competing interests
HH has received research grants from Pfizer and has advised the Scottish Hospitals Inquiry and the Bons Secours Hospital Group (Ireland) on infection prevention and control issues. FF has received research grant support and been a recipient of a consultancy fee from Tillotts Pharma.
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Skally, M., Leonard, M., O’Halloran, P.J. et al. Clostridioides difficile infection in neurosurgical patients in a national centre over 10 years: less common but associated with longer hospital stays. Acta Neurochir 165, 3585–3592 (2023). https://doi.org/10.1007/s00701-023-05883-1
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DOI: https://doi.org/10.1007/s00701-023-05883-1