Nasal S. aureus carriage is an important risk factor for SSI in MMS, conferring an over threefold increase in SSI risk. A pre-operative nasal swab provides a simple and effective risk stratification tool. The use of a topical decolonisation regimen reduces the infection rate in carriers to a level approaching non-carriers without exposure to systemic antibiotics.
BACKGROUND
Surgical site infection (SSI) is mainly due to endogenous bacteria. Topical decolonization is a preoperative intervention currently advised for proven nasal carriers of Staphylococcus aureus (S. aureus).
OBJECTIVE
The authors assessed whether topical decolonization could be of benefit for patients who are not nasal carriers of S. aureus.
METHODS AND MATERIALS
The authors performed a randomized controlled trial of S. aureus nasal swab–negative patients. Five days before Mohs surgery topical decolonization with nasal mupirocin and chlorhexidine, body wash was started. The control group had no intervention.
RESULTS
In the week after Mohs surgery, the infection rate in the intervention group was 2% (n = 661, 14) and that of the control group was 4% (n = 689, 29).
CONCLUSION
Topical decolonization reduces SSI in nasal swab–negative Mohs surgery patients.
In comparison with the SF-36, the AUSVIQUOL is an improved tool for the QOL assessment of patients with peripheral vascular disease in the clinical setting.
Hyaluronidase is a bovine or ovine testicular protein that is used as an adjunct to co-administered medicaments and fluids to enhance their dispersion and absorption through the degradation of hyaluronan. While it is a known potential allergen, there are few reports of hyaluronidase hypersensitivity. A 56-year-old lady presented 8 hours post glaucoma surgery with ipsilateral lacriminorrhoea, periorbital erythema, oedema, proptosis, pruritus and conjunctival chemosis. Right ocular motility was restricted and visual acuity was reduced. The reaction settled with oral corticosteroids and antihistamines. Hyaluronidase allergy was confirmed on skin prick testing. Hyaluronidase allergy is rare. In the few cases reported, reactions occurred at various doses and were acute (intraoperative), early (within hours), intermediate (within days) or delayed (within weeks). Anaphylaxis has also been described. Primary sensitization appears to be a prerequisite for most reactions. The variability in onset of symptoms and the response to skin testing would suggest that type I and type IV hypersensitivity may both contribute to this response. In this case, the timing fitted with a late phase type 1 reaction. This case shows that despite being less common than haemorrhage for acute reactions and infection for delayed reactions, allergy can account for orbital inflammation following ophthalmic surgery.
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