Browsing by Author "Cunha, MJ"
Now showing 1 - 7 of 7
Results Per Page
Sort Options
- Alterações precoces dos enzimas hepáticos após colecistectomia: estudo prospectivo incluindo cintigrafia hepatobiliar quantificadaPublication . Milheiro, A; Diogo, C; Lapa, P; Cunha, MJ; Manso, E; Martins, L; Mártires, E; Pedroso de Lima, J; Castro e Sousa, F
- Cintigrama com leucócitos marcados numa situação de megacolon toxicoPublication . Doménech, A; Cunha, MJ; Pereira, L; Ferrer-Antunes, A; Isidoro, J; Pedroso de Lima, J
- Epidemiological study on the prevalence of HPV infection of women in Portugal: a cleopatre studyPublication . Oliveira, CF; Pista, A; Cunha, MJ; Paixão, MT; Real, O; Cleopatre Portugal Study Group
- Human Papillomavirus Type Distribution in Cervical Intraepithelial Neoplasia Grade 2/3 and Cervical Cancer in Portugal: A CLEOPATRE II StudyPublication . Pista, A; Oliveira, CF; Lopes, C; Cunha, MJ; CLEOPATRE Portugal Study GroupOBJECTIVE: Cervical cancer is the third most frequent cancer in women, worldwide and etiologically associated with infection by human papillomavirus (HPV). Following the results of the first epidemiologic population-based CLEOPATRE study in Portugal, it was important to understand the HPV type-specific distribution in women with cervical intraepithelial neoplasia (CIN) grades 2 and 3 and invasive cervical cancer (ICC). METHODS: This was an observational, multicenter, cross-sectional study with retrospective data collection. Between January 2008 and May 2009, paraffin-embedded samples of histologically confirmed cases of CIN2, CIN3, and ICC were collected from the 5 regional health administrations in mainland Portugal. Eligible samples were sent to 2 central laboratories for histological reassessment and HPV genotyping. Prevalence estimates were calculated together with 95% confidence intervals. RESULTS: A total of 582 samples, 177 cases of CIN2, 341 of CIN3, and 64 of ICC, were included. The mean age of participants was 41.8 years (range, 20-88 years). The overall HPV prevalence was 97.9% with a higher prevalence of high-risk genotypes, particularly HPV 16. Multiple infections were observed in 11.2% of the cases. Human papillomavirus prevalence was 95.5% in CIN2, 99.4% in CIN3, and 96.9% in ICC. The 8 more frequent genotypes in order of decreasing frequency were HPV 16, 31, 58, 33, 51, 52, 18, and 35 in CIN2 and HPV 16, 31, 33, 58, 52, 35, 18, and 51 in CIN3. In ICC cases, the 12 detected HPV genotypes were HPV 16, 18, 31, 33, 45, 51, 52, 53, 56, 58, 59, and 73. However, HPV 53 and 73 were always associated to other high-risk genotypes. Human papillomavirus types 31, 51, 52, 56, and 59 were detected in 1 case each. CONCLUSIONS: Human papillomavirus prevalence and patterns of type-specific HPV positivity were comparable with other studies. Current HPV vaccines should protect against HPV genotypes responsible for 77.4% of ICC in Portugal.
- Rede Nacional de Cuidados Continuados Integrados – o seu impacto no funcionamento de um Serviço de UrologiaPublication . Antunes, H; Eliseu, M; Tavares da Silva, E; Parada, B; Cunha, MJ; Roseiro, A; Figueiredo, A
- Risk factors for human papillomavirus infection among women in Portugal: the CLEOPATRE Portugal StudyPublication . Pista, A; de Oliveira, CF; Cunha, MJ; Paixao, MT; Real, OOBJECTIVE: To investigate demographic, socioeconomic, lifestyle, and medical factors that might predispose women to cervical human papillomavirus (HPV) infection. METHOD: A cross-sectional population-based study was performed. Women aged 18-64 years who attended selected obstetrics and gynecology or sexually transmitted disease (STD) clinics in mainland Portugal between February 2008 and March 2009 were recruited, according to an age-stratified sampling strategy. Liquid-based cytology samples were analyzed centrally for HPV genotype and for cytologic features. Univariate and multivariate logistic regression analyses identified risk factors for HPV infection. RESULTS: Among the 2326 women evaluated, the crude prevalence of HPV infection was 19.4%. Lifetime number of sexual partners was a strong predictor of HPV infection (odds ratio 5.44 for 5-10 partners versus 1 partner; P<0.001). Other risk factors were young age (particularly among women aged 20-24 years; P<0.001); country of birth other than mainland Portugal (P=0.002); education up to secondary school level (P=0.010); smoking history (≤ 10 years; P=0.004); and any STD in the past 12 months (P=0.052). CONCLUSION: Data from the present study may aid identification of women at increased risk of HPV infection and target prevention strategies. TRIAL REGISTRATION: National Commission of Data Protection (CNPD) registration number 5346/2007; Sanofi Pasteur MSD study number HPV-E05.
- Risk factors for human papilomavirus infection among women in Portugal: the CLEOPATRE Portugal StudyPublication . Pista, A; Oliveira, CF; Cunha, MJ; Paixão, MT; Real, O; CLEOPATRE Portugal Study GroupOBJECTIVE: Human papillomavirus (HPV) is responsible for a range of diseases, including cervical cancer. The primary objectives of the CLEOPATRE Portugal study were to estimate the overall and age-stratified prevalence of cervical HPV infection and to assess HPV prevalence and type-specific distribution by cytological results among women aged 18 to 64 years, who reside in mainland Portugal. MATERIALS AND METHODS: This cross-sectional population-based study recruited women aged 18 to 64 years, according to an age-stratified sampling strategy, who attended gynecology/obstetrics or sexually transmitted disease clinics across the 5 regional health administrations in mainland Portugal between 2008 and 2009. Liquid-based cytology samples were collected and analyzed centrally for HPV genotyping (clinical array HPV 2 assay) and cytology. Prevalence estimates were adjusted for age using 2007 Portuguese census data. RESULTS: A total of 2326 women were included in the study. The overall prevalence of HPV infection in the study was 19.4% (95% confidence interval, 17.8%-21.0%), with the highest prevalence in women aged 18 to 24 years. High-risk HPV types were detected in 76.5% of infections, of which 36.6% involved multiple types. The commonest high-risk type was HPV-16. At least 1 of the HPV types 6/11/16/18 was detected in 32.6% of infections. The HPV prevalence in normal cytology samples was 16.5%. There was a statistically significant association between high-risk infection and cytological abnormalities (P < 0.001). CONCLUSIONS: This is the first population-based study to quantify and describe cervical HPV infection in mainland Portugal. This study provides baseline data for future assessment of the impact of HPV vaccination programs.