Transplant guide highlights daily infection risks from factors like pets and food

December 18, 2009

Keeping pets healthy can reduce infection risks for people who have received solid organ transplants and veterinarians should be seen as an integral part of the healthcare team. That's just one of the key pieces of advice from a safe living article published in an infectious diseases supplement in the American Journal of Transplantation.

The supplement - the second issue of guidelines authored by members of the American Society of Transplantation's Infectious Diseases Community of Practice - provides advice on the infection-related challenges facing clinicians caring for people who have received solid organ transplants. These include respiratory viral infections - a vital issue during the current pandemic - guidance on vaccinations and advice on how to handle patients with conditions such as HIV, herpes, Candida and .

"Transplant recipients face a heightened infection risk long after the initial post transplant period and have to adapt their lives to minimise exposure to potential sources" says Dr Robin K Avery from the Cleveland Clinic, Ohio, USA.

"Our paper aims to highlight the infection risks that transplant recipients experience in their daily lives. These include pet ownership, food safety, , sporting activities and work-related issues."

Avoiding infection should be an important part of everyday life. For example, transplant recipients should be advised to:

  • Wash hands frequently and thoroughly to prevent infections transmitted by direct contact, such as food, pets and gardening, even if gloves are used. Patients should avoid changing baby's diapers if possible.
  • Reduce the risk of respiratory infections by avoiding crowded places like shopping malls when their immune system is suppressed. Avoid smoking and exposure to tobacco smoke, which can raise the risk of bacterial and viral infections, and marijuana use, because of its association with fungal spores.
  • Prevent waterborne infections by only drinking water from safe sources and avoid inadvertent water ingestion during activities such as swimming, diving, boating, using a hot tub or going on water rides at amusement parks.
  • Steer clear of foodstuffs like unpasteurised cheese, salad dressings made with uncooked eggs, raw seed sprouts, cold cuts and smoked seafood.
  • Balance the psychological benefits of pet ownership with the potential infection risk. A variety of infections can be transmitted to humans from animals like young cats, reptiles, rodents, chicks and ducklings. Animal feces are also dangerous, so cleaning out cages and litter boxes should be avoided or disposable gloves and face masks worn. Ideally the transplant recipient should wait at least a year before getting a new pet.
  • Practice safe sex by using latex condoms with casual partners.
  • Discuss any travel plans with clinicians to identify particular risks like Malaria and carry antibiotics to take if they develop diarrhea. Patients should be aware that vaccinations may be ineffective and advised to take out emergency evacuation insurance. Advice on food safety should also be provided.
  • Consider work-related issues, especially if the patient is in healthcare, works with animals, in construction or outdoors. A temporary career change may not be possible for psychological, financial and social reasons and making the work environment safer is often the best approach.
  • Return to safe sports, such as athletics, but discuss any that might pose an enhanced infection risk, like hunting, fishing or scuba diving.
  • Take precautions to avoid West Nile Virus, which can cause severe disease in transplant recipients, by avoiding going out during peak mosquito feeding periods and using insect repellents that contain DEET.
"Transplant recipients are living longer and more and more are returning to active lives, including work and recreation" says Dr Avery, who co-authored the paper with Professor Marian G Michaels from the University of Pittsburgh School of Medicine. "With careful thought and detailed patient education, many potential infection risks can be prevented.

"Occupational counselling can enable transplant recipients to find safer ways to do the jobs that they love and knowing the risks posed by food, animals and environmental factors can help them stay out of hospital and lead healthy, meaningful and long lives."

" pose a real challenge for both patients receiving solid organ transplants and their clinicians" adds the journal's Editor-in-Chief Philip F Halloran, Professor of Medicine at the University of Alberta, Canada. "That is why the has brought together pre-eminent experts to provide advice on a wide range of clinical and environmental risk factors."

More information: Strategies for Safe Living Following Solid Organ Transplantation. Avery et al. American Journal of Transplantation. 9 (Suppl 4), S252-S257. (December 2009). DOI: 10.1111/j.1600-6143.2009.02916.x
The special supplement on infectious diseases is now free online at: www3.interscience.wiley.com/jo … rnal/123216100/issue

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