Assessment of paediatric head shape and management of craniosynostosis.

BACKGROUND: The presentation of a child with an abnormal head shape can be challenging and should be met with an appropriate clinical approach. Craniosynostosis is a common cause of paediatric skull deformity and is best managed by a multispecialty tertiary referral unit with regular follow-up. As craniosynostosis frequently requires time-sensitive surgery, it is important to differentiate between craniosynostosis and common self-limiting conditions such as deformational plagiocephaly. OBJECTIVE: The aim of this article is to outline the clinical approach to paediatric skull deformity in the general practice setting, and to highlight the importance of early referral if there is clinical suspicion of craniosynostosis. DISCUSSION: Parental concern regarding infant head shape is common. General practitioners (GPs) have an important role in assessment, diagnosis and referral for paediatric skull deformities. GPs are well placed to clinically differentiate between deformational plagiocephaly and craniosynostosis and provide timely referrals to optimise patient outcomes.

Use of Onlay Hydroxyapatite Cement for Secondary Cranioplasty.

BACKGROUND: Children who undergo bi-fronto-orbital advancement (BFOA) frequently develop a contour deformity on the temporal and supra-orbital region, with an incidence reported as high as 55% and 75%, respectively. Up to 20% of patients may require correction. Hydroxyapatite cement (HAC) is a good alternative to autogenous tissue. The available literature on its use focusses on the reconstruction of bone defects, but little has been published on its efficacy and safety as an onlay graft over intact cranium. OBJECTIVES: To describe our institution's experience with HAC in the pediatric population. METHODS: Retrospective chart review from 1998 to 2018 on all patients from the Craniofacial Unit at the Sydney Children's Hospital who had either coronal or metopic craniosynostosis and underwent BFOA and later in life required cranioplasty with HAC for contour repair. FINDINGS: We have performed 166 BFOA and nineteen secondary cranioplasties for contour repair using onlay HAC. The mean age at the time of operation was 14 years. Bi-coronal craniosynostosis was most frequently associated with secondary cranioplasty and 37% had an associated syndrome. The mean volume of HAC used was 37 mL. There was only 1 patient who had a complication (5.3%) and required partial removal of allograft. The mean length of admission was 2 days. Mean follow up time of 22.4 months. CONCLUSIONS: HAC represents a safe option when used correctly, with low rates of complication and satisfactory cosmetic outcomes.

Treatment of Partial Thickness Burns: A Prospective, Randomized Controlled Trial Comparing Four Routinely Used Burns Dressings in an Ambulatory Care Setting.

This prospective, randomized controlled trial study compared the effects of four dressings for adult partial thickness burns, focusing on re-epithelialization time and cost effectiveness. Adults with partial thickness burns meeting inclusion criteria were randomized to either Biobrane™, Acticoat™, Mepilex® Ag, or Aquacel® Ag. Primary endpoint for analysis was >95% re-epithelialization. Incremental cost-effectiveness ratios were calculated based on dressing costs. Dominance probabilities between treatment arms were calculated from bootstrap resampling trial data. One hunderd thirty-one partial thickness burn wounds in 119 patients were randomized. Adjusting for sex, age, smoking status, burn mechanism, TBSA, and first aid adequacy, Mepilex® Ag had a reduced time to re-epithelialization compared to Biobrane™ (IRR: 1.26; 95% CI: 1.07-1.48, P < .01). Economic analysis showed that there was a 99%, 71%, and 53% probability that Mepilex® Ag dominated (cheaper and more effective) Biobrane™, Acticoat™, and Aquacel® Ag, respectively. Mepilex® Ag achieved faster re-epithelialization and better cost effectiveness. Patient satisfaction and comfort seems better with Biobrane™ although not reflected within the end outcome of the healed wound. It is the patients' (after extensive education) and clinicians' choice, level of experience, and availability of products in praxis that will guide the decision as to which the product is used individually on which patient.

Ablative fractional resurfacing for burn scar management affects the number and type of elective surgical reconstructive procedures, hospital admission patterns as well as length of stay.

BACKGROUND: Reconstructive surgery remains the main approach to address burn scar contractures. Ablative fractional resurfacing is an increasingly popular tool for severe burn scar management, but its effect on overall burns reconstructive case-mix, operating time and patterns of hospital admission have not been reported. METHODS: Retrospective analysis of hospital administrative data from September 2013 to June 2017 was performed evaluating these effects of ablative fractional CO2 laser (CO2-AFL). RESULTS: The total number of acute burn patients treated at CRGH increased substantially over this timeframe, resulting in 412 elective procedures including 82 before and 330 after introducing CO2-AFL. The proportion of traditional non-laser reconstructive procedures dropped considerably to 23.9% in about 2.5 years following CO2-AFL introduction. This change in approach had a profound effect on LOS with average LOS being 1.96days for non-laser and 0.36days for CO2-AFL-procedures (p<0.001). Anaesthetic times also decreased significantly, with median durations at 90min pre-laser and 64min post-laser introduction (p<0.001), and median anaesthetic times at 87min (non-AFL) and 57min (AFL procedures) (p<0.001). CONCLUSION: AFL profoundly affects elective reconstructive burn case mix with a replacement of conventional reconstructive operations in favour of AFL-procedures. This results in reductions of average LOS and anaesthetic times. Consequently, increased use of AFL in burn scar management could potentially reduce overall costs associated with burn scar reconstruction.

Diurnal variation of central corneal thickness and Goldmann applanation tonometry estimates of intraocular pressure.

PURPOSE: To determine whether there is a temporal relationship between the diurnal variation of central corneal thickness (CCT) and intraocular pressure (IOP) by Goldmann applanation tonometry in young normal human participants in vivo. METHODS: Twenty-five eyes of 25 young healthy normal participants were examined in a prospective observational cross-sectional study. IOP, CCT and corneal curvature were measured using standard clinical techniques over a 24-hour period, and the temporal interrelationships between these parameters were examined. RESULTS: The overnight change in IOP measured by Goldmann tonometry was 3.1+/-2.4 mm Hg (P<0.001), CCT was 20.1+/-10.9 mum (P=0.016), with no statistical change in central corneal curvature (0.05 mm, P=0.477, paired t test with Bonferroni correction). Both IOP and CCT were highest on awakening at 7:00 then dropped rapidly to baseline levels by 9:00 (linear mixed models), and these two parameters were highly correlated (r=0.978, P<0.001). After 9:00, there was no correlation between these parameters (r=-0.453, P=0.260). CONCLUSIONS: The results of this study have highlighted a potential link between the diurnal variation of CCT and the accuracy of Goldmann tonometry estimates of IOP during the first 2 hours after awakening. Clinicians should be wary of using Goldmann tonometry to estimate IOP until the overnight increase in CCT has resolved.