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VANCOUVER, B. C. -- A large survey of U.S. clinicians in nine specialties identified clinically important gaps in their knowledge of human papillomavirus and found that many don't test for HPV in the recommended ways.
Several analyses of the survey results by investigators at the Centers for Disease Control and Prevention were reported in separate poster presentations at the 22nd International Papillomavirus Conference.
Only 35% of 4,305 clinicians surveyed were aware that recent scientific evidence shows that most HPV infections clear without medical intervention, reported Crystal M. Freeman, Ph.D., of Battelle Centers for Public Health Research and Evaluation of Seattle, which conducted the survey studies with the CDC. Knowledge of anogenital warts also appeared to be inadequate. Only 38% of respondents knew that anogenital warts do not increase the risk of cancer at the same sites where the warts are located, and only 47% knew that genital HPV types usually associated with external anogenital warts are not the same HPV types associated with cervical dysplasia and cancer.
Respondents included 464 ob.gyns., 1,107 primary care physicians (family or general physicians, internists, or adolescent medicine physicians), 966 specialists (dermatologists or urologists), 624 certified nurse-midwives, and 1,144 midlevel providers (nurse-practitioners or physician assistants).
A higher proportion of ob.gyns. (67%) knew HPV infections may clear without intervention, compared with primary care physicians (31%), specialists (14%), midlevel providers (30%), or nurse-midwives (43%).
Nearly all respondents knew, however, that HPV infection is common (89%), that most people with HPV lack signs or symptoms of infection (95%), and that HPV infection increases the risk of cervical cancer (98%). They also showed high rates of knowledge that HPV infection causes anogenital warts (90%) and that treating warts or cervical dysplasia does not eliminate HPV infection (91%).
A second analysis of results ...