Worms & Germs Blog

Tag Archives: MRSA/MRSP

New methicillin-resistant Staph veterinary dermatology guidelines

Posted in Cats, Dogs
A new Clinical Consensus Guideline, coordinated through the World Association for Veterinary Dermatology, has been released: Recommendations for approaches to methicillin-resistant staphylococcal infections of small animals: diagnosis, therapeutic considerations and preventative measures. Clinical Consensus Guidelines of the World Association for Veterinary Dermatology This large and comprehensive document is open access and can also be downloaded via… Continue Reading

Another human Staph (pseud)intermedius infection

Posted in Dogs
Dr. Stephen Page, regular supplier of good material, sent me a couple papers from the Quarterly Journal of Medicine the other day. One’s an interesting report of ‘Staphylococcus intermedius’ infection in a person, in a case report entitled ‘A canine bug in a human heart’ (Koci et al, Q J Med 2015;108:337-338). It’s almost guaranteed… Continue Reading

More bad news on the MRSP front

Posted in Dogs
Well, "news" perhaps isn’t the best description since we’ve been seeing it for a while, but a paper in an upcoming edition of the Journal of Clinical Microbiology (Gold et al. 2014) entitled "Amikacin resistance in Staphylococcus pseudintermedius isolated from dogs" provides published support for the trend we’ve been seeing. Staphylococcus pseudintermedius is an important… Continue Reading

Superbugs and import control

Posted in Dogs
Issues about infectious disease risks from the pretty much totally unregulated importation of dogs continue to rise, and I’m dealing with them in one way or another almost daily at the moment. I’ll stay away from the discussion of what we are and aren’t (mostly the latter) doing in Canada, since I’ve covered that before.… Continue Reading

The big gun antibiotic controversy

Posted in Dogs
I’m getting ready for next week’s ASM/ESCMID conference on methicillin-resistant staphylococci in animals, for which I’m involved in a plenary session about critically important antibiotics in companion animals. The whole area of antibiotics and animals in complex and controversial (and made worse by political agendas, lack of evidence and confusion about different issues). Anyway, one… Continue Reading

Should a dog with MRSP be spayed?

Posted in Dogs
This is an increasingly common question, as methicillin-resistant Staphylococcus pseudintermedius (MRSP – essentially the canine version of the high-profile human "superbug" MRSA) has expanded greatly in the canine population. As more dogs get MRSP infections and even more become inapparent carriers of this bug, more dogs that are carriers will need surgery (both elective and non-elective). … Continue Reading

Shelter dog MRSA panic

Posted in Dogs
Several dogs at a Miami humane society were quarantined last week because of concerns (or possibly panic/over-reaction) about methicillin-resistant Staphylococcus aureus (MRSA). MRSA in dogs is a concern because it’s an important cause of infection in both people and animals. However, it’s an opportunist, meaning it typically doesn’t cause disease when it encounters a normal,… Continue Reading

Is MRSP in a dog a risk to the family?

Posted in Dogs
This is an increasingly common question, because MRSP is increasingly common. I’ve had two calls about it this week, and it’s only Wednesday. It’s a good question to ask because MRSP (methicillin-resistant Staphylococcus pseudintermedius) is a highly drug-resistant bacterium that causes a lot of problems in dogs, and because of the high profile of its… Continue Reading

MRSP infection in a person

Posted in Dogs
“Is MRSP zoonotic?” That’s a question I get all the time. MRSP (methicillin-resistant Staphylococcus pseudintermedius) is a canine staph (a bacterium) to which people are exposed all the time. Yes, it can infect people, but only very rarely, particularly when you consider how often they’re exposed. Nonetheless, human MRSP infections can occur. My typical answer… Continue Reading

Do you know what’s in your dog’s ‘bully stick’?

Posted in Dogs
I mean that two ways. 1) Do you know what a bully stick actually is? 2) Do you know what’s in it? A recent study headed up by Dr. Lisa Freeman, published in this month’s Canadian Veterinary Journal (Freeman et al., CVJ 2013;54:50-54), looked into this by asking people what they thought bully sticks were… Continue Reading

MRSA in an alpaca

Posted in Other animals
Following up on my recent post about MRSP in rats, here’s a story about MRSA in an alpaca (Stull et al, Can Vet J 2012). As far as we know, it’s the first report of MRSA in an alpaca (or any camelid). The report relates to our large animal hospital, where we perform MRSA screening… Continue Reading

MRSP in urban rats

Posted in Other animals
A year or two ago, I received an email from Dr. Chelsea Himsworth, who was doing some interesting work looking at different bacteria found in rats in Vancouver’s Downtown Eastside. This is an impoverished urban neighbourhood with lots of homeless people, IV drug users and HIV-infected individuals… and lots of rats. Dr. Himsworth, a veterinary pathologist working… Continue Reading

Staph ‘intermedius’ infections from dogs

Posted in Dogs
When I give talks about methicillin-resistant staphylococci, I almost invariable get into a discussion of the risks of methicillin-resistant S. pseudintermedius (MRSP) in people. This bug is becoming increasingly common in dogs and because it’s so resistant to antibiotics, there’s concern about whether it can be transmitted to people. My usual answer is that there is a… Continue Reading

Essential oils…the overlooked MRSA “solution”?

Posted in MRSA/MRSP
Methicillin-resistant Staphylococcus aureus (MRSA) and other antibiotic-resistant bacteria are big problems. They account for millions of illnesses, thousands of deaths and billions of dollars in costs every year internationally. Antibiotic-resistance is a complex issue, but some people try to over-simplify (and under-analyse) the problem. A recent article on Examiner.com is an example. Entitled "MRSA cases… Continue Reading

Was ist MRSP?

Posted in Dogs
Since MRSP is an international problem (no matter what language you speak), there is now a resource sheet for our German-speaking friends as well: Informationen in Deutsch ist ab sofort verfügbar hier und in unserem Abschnitt Ressourcen. Ubersetzt von Georg Lehner, Dr. med. vet.  … Continue Reading

Methicillin-resistant staph…What’s in a name?

Posted in Cats
I’ve written about this topic before, but it’s an important (and increasingly common) issue to understand, so bear with me while I address the subject again. I typically get multiple case consults in person, by phone or by email about methicillin-resistant (MR) staphylococci every day. A lot of these start with "I have a case… Continue Reading

More on MRSA and meat

Posted in MRSA/MRSP
While it shouldn’t come as a surprise considering other studies, a recent study in PLoS One (O’Brien et al 2012) has caused a bit of a stir in the US. This study, headed up by Dr. Tara Smith’s research group in Iowa, looked for methicillin-resistant Staphylococcus aureus (MRSA) in retail pork. They bought pork from… Continue Reading

Staph schleiferi in dogs

Posted in Dogs
Staphylococcus schleiferi doesn’t get much respect. Most of the attention gets paid to Staphylococcus aureus (because MRSA, the methicillin-resistant version, is such a high profile pathogen in humans and it can be transmitted between people and pets) and S. pseudintermedius (because it’s a leading cause of infection and MRSP, the methicillin-resistant type, is spreading very quickly… Continue Reading

MRSA control in animals…Finnish style

Posted in MRSA/MRSP
As MRSA in animals gets more attention, there have been increasing efforts to develop guidelines to reduce the incidence and impact of this important zoonotic pathogen. Among these are a set of recommendations developed in Finland for the prevention and control of MRSA infections in animals (or metisilliiniresistentti Staphylococcus aureus, as they would say in Finnish). … Continue Reading

MRSA from foal to girl

Posted in Horses
A case report highlighted by TheHorse.com and presented at the ASM/ESCMID MRSA conference in Washington DC last week described a horse-associated methicillin-resistant Staphylococcus aureus (MRSA) infection in Dutch girl. The girl, a 16-year-old with a severe neuromuscular disease who was wheelchair-bound and on a ventilator, developed an infection following an insect bite. When the infection didn’t… Continue Reading

New BSAVA guidelines for MRSA/MRSP

Posted in MRSA/MRSP
The British Small Animal Veterinary Association (BSAVA) has updated its practice guidelines for management of MRSA and MRSP. Overall, there’s good information in the document with an emphasis on routine infection control as the key measure to reduce the impact of MRSP and MRSA. I’d like to see more emphasis on developing an overall infection… Continue Reading

MRSA, spider bites and denial

Posted in MRSA/MRSP
Bites from the brown recluse spider (see photo left) can be pretty nasty, and produce tissue damage similar to a typical MRSA skin and soft tissue infection. Despite the epidemic of MRSA that’s ongoing in many regions, particularly the US, MRSA infections are still sometimes misdiagnosed as spider bites. To a degree, I can see why this… Continue Reading