Mayo Clinic study: Most dog bites caused by the family pet

Prior studies have shown that most dog bite injuries result from family dogs.

A new study conducted by Mayo Clinic and Phoenix Children’s Hospital shed some further light on the nature of these injuries.

Mayo Clinic

The American Veterinary Association has designated this week as Dog Bite Prevention Week.

The study, published earlier this year in the Journal of Pediatric Surgery, demonstrated that more than 50 percent of the dog bite injuries treated at Phoenix Children’s Hospital came from dogs belonging to an immediate family member.

The retrospective study looked at a 74-month period between 2007 and 2013 in which there were 670 dog bite injuries treated at Phoenix Children’s Hospital. Of those, 282 were severe enough to require evaluation by the trauma team or transportation by ambulance.

Characteristics of the most common injuries included:

  • Both genders were affected (55 percent male)
  • The most common patient age was 5 years, but spanned from 2 months to 17 years
  • 28 dog breeds were identified and the most common dog was pit bull
  • More than 50 percent of the dogs belonged to the patient’s immediate family
  • The most common injuries were lacerations (often to the face) but there were also a number of fractures and critical injuries such as severe neck and genital trauma

“More than 60 percent of the injuries we studied required an operation,” said lead author Erin Garvey, M.D., a surgical resident at Mayo Clinic Arizona.

“While the majority of patients were able to go home the next day, the psychological effects of being bitten by a dog also need to be taken into account.”

“The biggest warning from this study is that familiarity with a dog may confer a false sense of safety,” said Ramin Jamshidi, M.D., senior author on the study and a pediatric surgeon at Phoenix Children’s Hospital and medical director of pediatric trauma at Maricopa Medical Center.

“The next step is to find out what type of education is needed and for whom – the parents, owners of the dogs and even the kids themselves,” explains Dr. Garvey.

“Above all, we are interested in the health of children, so we hope to educate families on the importance of following safety tips and guidelines when dealing with dogs, even the well-known family pet at home,” echoes Dr. Jamshidi.

The Injury Prevention Center at Phoenix Children’s Hospital works to educate patients and families in areas of safety – whether it is water safety, car seat safety or home safety – their goal is to make sure families have the tools they need to keep their children safe.

When there is a family dog in the home, the Injury Prevention Center recommends families follow some of the below tips:

  • Never leave infants or young children alone with a dog, including the family dog
  • Make sure all dogs in the home are neutered or spayed
  • Take time to train and socialize your dogs
  • Keep dogs mentally stimulated by walking and exercising them
  • Teach children appropriate ways to interact with animals

For more information, please visit,2739.



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