Two unusual cases of horse to human transmission of bacterial infections remind us of the importance of good hygiene practices when handling horses.One report from the Netherlands concerns the suspected transmission of Methicillin-resistant Staphylococcus aureus (MRSA) type ST 398, from a foal to a 16 year old girl. The girl, who was confined to a wheelchair, developed an infected wound from which a strain of MRSA, identified as belonging to type ST398, was isolated. Investigations into the source of the infection showed that the girl had had intensive contact with a Friesian foal. She had not been admitted to hospital in other countries, nor had she been in contact either pigs or calves - the common source of human infection with this type of MRSA. Swabs from other members of the girl's immediate family and other animals in the household were negative for MRSAThe type of MRSA involved, ST398, is one which is associated with livestock and has been spreading in Europe and North America. It is the most common type of MRSA identified in horses in the Netherlands.
The authors suggest that the foal was the most likely source of the infection. In fact, the foal itself had been hospitalised in an equine clinic two months earlier for treatment of a wound infection.Another report describes a surgical operation that became infected with Streptococcus equi. S. equi, the cause of strangles in horses, is a cause of great concern to many horses' owners, but is rarely a danger to humans or other domestic species.The patient, a professional racehorse trainer, underwent treatment for an aortic aneurysm - a condition in which the walls of the main artery leaving the heart are weakened and balloon outwards. If untreated there is a risk of sudden rupture leading to sudden death. A specialised endovascular technique was used, in which a stent, a tubular framework, was inserted into the femoral artery in the groin, and passed up the artery until it came to lie within the affected vessel. The stent became infected and the causative organism was identified as Streptococcus equi. Read more at www.equinescienceupdate.com
The authors suggest that the foal was the most likely source of the infection. In fact, the foal itself had been hospitalised in an equine clinic two months earlier for treatment of a wound infection.Another report describes a surgical operation that became infected with Streptococcus equi. S. equi, the cause of strangles in horses, is a cause of great concern to many horses' owners, but is rarely a danger to humans or other domestic species.The patient, a professional racehorse trainer, underwent treatment for an aortic aneurysm - a condition in which the walls of the main artery leaving the heart are weakened and balloon outwards. If untreated there is a risk of sudden rupture leading to sudden death. A specialised endovascular technique was used, in which a stent, a tubular framework, was inserted into the femoral artery in the groin, and passed up the artery until it came to lie within the affected vessel. The stent became infected and the causative organism was identified as Streptococcus equi. Read more at www.equinescienceupdate.com
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