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Tattooing linked to higher risk of hepatitis C, study finds

Date:
August 7, 2010
Source:
University of British Columbia
Summary:
Youth, prison inmates and individuals with multiple tattoos that cover large parts of their bodies are at higher risk of contracting hepatitis C and other blood-borne diseases, according to a new study.

Youth, prison inmates and individuals with multiple tattoos that cover large parts of their bodies are at higher risk of contracting hepatitis C and other blood-borne diseases, according to a University of British Columbia study.

The researchers reviewed and analysed 124 studies from 30 countries, including Canada, Iran, Italy, Brazil and the United States, and found the incidence of hepatitis C after tattooing is directly linked with the number of tattoos an individual receives. The findings are published in the current issue of the International Journal of Infectious Diseases.

Tattoos have become increasingly popular in recent years. In the U.S., an estimated 36 per cent of people under 30 have tattoos. In Canada, approximately eight per cent of high school students have at least one tattoo and 21 per cent of those who don't have one want one. During tattooing, the skin is punctured 80 to 150 times a second in order to inject color pigments.

"Since tattoo instruments come in contact with blood and bodily fluids, infections may be transmitted if instruments are used on more than one person without being sterilized or without proper hygiene techniques," says lead author Dr. Siavash Jafari, a Community Medicine Resident in the UBC School of Population and Public Health (SPPH).

"Furthermore, tattoo dyes are not kept in sterile containers and may play a carrier role in transmitting infections," says Jafari. "Clients and the general public need to be educated on the risks associated with tattooing, and tattoo artists need to discuss harms with clients."

Other risks of tattooing identified by the study include allergic reactions, HIV, hepatitis B, bacterial or fungal infections, and other risks associated with tattoo removal.

The researchers are calling for infection-control guidelines for tattoo artists and clients, and enforcement of these guidelines through inspections, reporting of adverse events and record-keeping. They also recommend prevention programs that focus on youth -- the population who are most likely to get tattoos -- and prisoners -- who face a higher prevalence of hepatitis C -- to lower the spread of hepatitis infection. In Canada, 12 to 25 per cent of hepatitis C infections among prisoners are associated with tattooed individuals, compared to six per cent of the general population.

The chemical ingredients in tattoo dyes can include house paint, ink from computer printers, or industrial carbon. Toxic contents of some tattoo inks may be entering the kidney, lungs and lympth nodes through the circulatory system. The study also revealed a new trend among youth to get tattooed with glow-in-the-dark ink, the risks of which are not yet known.

Co-authors of the study include Assoc. Prof. Jane Buxton from SPPH and the BC Centre for Disease Control; Mahyar Etminan, a scientist with the Centre for Clinical Epidemiology and Evaluation at Vancouver General Hospital and the Vancouver Coastal Health Research Institute; Dr. Ray Copes, clinical professor at SPPH and Dr. Souzan Baharlou with the Department of Urology at BC Children's Hospital.


Story Source:

The above story is based on materials provided by University of British Columbia. Note: Materials may be edited for content and length.


Journal Reference:

  1. Siavash Jafari, Ray Copes, Souzan Baharlou, Mahyar Etminan, Jane Buxton. Tattooing and the risk of transmission of hepatitis C: a systematic review and meta-analysis. International Journal of Infectious Diseases, 2010; DOI: 10.1016/j.ijid.2010.03.019

Cite This Page:

University of British Columbia. "Tattooing linked to higher risk of hepatitis C, study finds." ScienceDaily. ScienceDaily, 7 August 2010. <www.sciencedaily.com/releases/2010/08/100806125506.htm>.
University of British Columbia. (2010, August 7). Tattooing linked to higher risk of hepatitis C, study finds. ScienceDaily. Retrieved July 22, 2014 from www.sciencedaily.com/releases/2010/08/100806125506.htm
University of British Columbia. "Tattooing linked to higher risk of hepatitis C, study finds." ScienceDaily. www.sciencedaily.com/releases/2010/08/100806125506.htm (accessed July 22, 2014).

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