Management of paediatric periorbital cellulitis: Our experience of 243 children managed according to a standardised protocol 2012–2015

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Abstract

Introduction

Paediatric periorbital cellulitis is a common condition. Accurate assessment can be challenging and appropriate use of CT imaging is essential. We audited admissions to our unit over a four year period, with reference to CT scanning and adherence to our protocol.

Methods

Retrospective audit of paediatric patients admitted with periorbital cellulitis, 2012–2015.

Results

Total of 243 patients included, mean age 4.7 years with slight male predominance, the median length of admission was 2 days. 48/243 (20%) underwent CT during admission, 25 (52%) of these underwent surgical drainage. As per protocol, CT brain performed with all orbital scans; no positive intracranial findings on any initial scan. Three children developed intracranial complications subsequently; all treated with antibiotics. Our re-admission rate within 30 days was 2.5%.

Conclusions

Our audit demonstrates benefit of standardising practice and the low CT rate, with high percentage taken to theatre and no missed abscesses, supports the protocol. There may be an argument to avoid CT brain routinely in all initial imaging sequences in those children without neurological signs or symptoms.

Introduction

Periorbital cellulitis is a relatively common clinical condition encountered in the paediatric population. The potential devastating complications with regards to vision and/or intracranial extension are thankfully rare, particularly with timely antibiotic treatment. The incidence in the literature shows some variability, depending on geographic location, but admission rates have been reported 0.3–2.0 per month [1]. Characterising the infection into pre-septal or post-septal is essential in managing these children. Chandler et al. devised a scoring system which continues to form the main disease classification in current practice Worldwide [2]. The management of periorbital cellulitis involves a multidisciplinary approach, commonly ENT surgeons and Ophthalmologists, with some input from Paediatricians. There remains ambiguity in other studies, but in our tertiary referral hospital, ENT take charge of these children's care with daily input from our Ophthalmology colleagues.

Accurate assessment of the paediatric population when acutely unwell is a challenge for any healthcare professional, but orbital examination complicated by soft tissue oedema can cause the most equable clinician to become disheartened. Thus, the use of imaging as an adjunct to clinical examination is important. The most difficult decision is often whether to image these children, and this has led to the development of various guidelines [1], [3], [4], [5], [6].

It is widely accepted that radiation exposure from CT imaging of the head and neck region, especially in the paediatric population, can lead to increased risks of malignancy; leukaemia and primary brain tumours [7], [8]. There is also limited evidence suggesting a link between exposure to ionised radiation in children with neurodevelopmental disorders or delays [9], although these findings have not been supported by a recent study from Sweden [10]. Despite lack of consensus, there is ongoing concern for the developing brain exposed to ionised radiation and recent novel studies on infant mice, may have again found an association with low to moderate doses of ionised radiation and neurofunctional disorders and/or reduced cognitive capacity [11]. Obviously, further studies exploring the effect of neuroimaging on the developing brain in humans are required. It is therefore clearly important to strike the correct balance between clinical need and risk in the use of CT scans in the paediatric population.

In our hospital, we have developed a protocol for the management of periorbital cellulitis, which has evolved into the current form (Fig. 1) through multiple prospective audits and multidisciplinary revisions over the last 15 years. Initially the protocol was developed as a result of data showing that children were admitted under 6 different specialties with widely differing management protocols and occasionally poor outcomes. The main features of the protocol are to concentrate the management and decision making in the hands of one specialty team, to standardise antibiotic choice and decisions about scanning and to ensure early involvement of senior, experienced clinicians. Subsequent audits have refined the antibiotic protocol according to local microbiological sensitivities, and have confirmed widespread adherence to the protocol across the hospital. The aim of this study was to audit the admissions to a tertiary referral paediatric hospital with periorbital cellulitis over the past four years with particular reference to the appropriateness of CT scanning.

Section snippets

Methods

We retrospectively reviewed all children requiring admission to the ENT Department within Glasgow (Yorkhill Hospital until July 2015, thereafter Royal Hospital for Children) between January 2012 and January 2016. The stored electronic ward summary sheets were utilised to ensure capture of all admissions during the observation period. All electronic records were reviewed; patients' demographics, radiology, management plans and outcomes were analysed. Data were recorded and analysed using Excel

Results

A total of 243 patients were included. The mean age was 4.7 years (SD 3.9), there were 126 males and 117 females (1.1:1). The median number of patients treated per year was 59 (range, 46 to 79), shown in Fig. 2, which equates to 5 children per month. The median length of admission was 2 days (range, 0 to 32). All patients followed the protocol, in terms of decisions on medical management and investigations. All patients were given intravenous Cefotaxime (50 mg/kg every 8–12 h, max 12 mg daily)

Discussion

The data collected validates the overall design and implementation of our treatment protocol, which appears to have been successful in standardising the management of periorbital cellulitis within a busy paediatric centre. Our unit seems to have a higher than normal number of children admitted with periorbital cellulitis compared to the reported rates in the literature; 5 children per month compared to up to 2 in previous studies [1].

Of the 243 children who presented during the study period,

Conclusion

The design and structure of the protocol has allowed the care of periorbital cellulitis to be standardised throughout a large children's hospital. Our patients and their families appear to receiving appropriate investigations, being managed safely and spared anxiety of over-treatment. The protocol may be of benefit to other regional paediatric centres to assist in the coordination and delivery of care for this difficult to manage condition.

Acknowledgements

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

References (15)

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