Equine Health Update EHU Vol 21 Issue 02 | Page 38

EQUINE | CPD Article CPD Focus on Antibiotic Stewardship - What’s Hot and What’s Not AC/2103/19 1) Based on current guidelines for surgical prophylaxis in equine practice which of the following options would be the most appropriate antimicrobial prophylaxis regimen for removal of a non-ulcerated skin mass? a. < 24 hours penicillin b. 5 days trimethoprim potentiated sulphonamide c. 3 days penicillin and gentamicin d. < 24 hours enrofloxacin e. 2 days trimethoprim potentiated sulphonamide 2) Which of the following drugs is a 3rd generation cephalosporin? a. Cefalexin b. Cefquinome c. Cefazolin d. Ceftiofur e. Ceftaroline 3) In the current WHO Essential Medicine’s List, in which of the AWaRe categories are macrolides classed? a. Access b. Watch c. Reserve d. Not classified e. Protect 4) A Thoroughbred studfarm with endemic Rhodococcus equi disease carries out routine ultrasonographic screening for R. equi pneumonia. Thoracic ultrasonography detects 3 pulmonary abscesses approximately 1 cm in diameter to be affecting one of the 6-month old foals. Clinical examination of the foal 38 is normal and no coughing has been observed. Based on these findings what is the most appropriate treatment/ management plan for this foal? a. Start treatment with azithromycin and rifampicin b. Start treatment with doxycycline c. Daily clinical monitoring and repeat thoracic ultrasonography in a week’s time d. No need for further monitoring e. Repeat thoracic ultrasonography in a month’s time 5) A 15-year old Warmblood gelding is presented for coughing. The gelding is stabled on sawdust in a barn with several other horses at night and turned out during the day. No abnormalities have been reported in the in- contact horses. Clinical examination is normal other than a respiratory rate of 24 breaths/minute at rest and use of a re-breathing bag elicits expiratory wheezes. Haematology is unremarkable. The owner does not want to pursue further diagnostic investigation. Based on these findings what would the most appropriate action be? a. Prescribe a 2-week course of trimethoprim potentiated sulphonamide b. Prescribe a week’s course of cefquinome c. No treatment and repeat clinical examination in 2 weeks’ time. d. Prescribe a 2-week course of acyclovir e. Prescribe a 2-week course of inhaled salbutamol and beclomethasone while implementing environmental changes such as dust-free bedding, cleaning of the barn, increased pasture time and soaking of hay. • Equine Health Update •