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      Prevalencia de citología anormal e inflamación y su asociación con factores de riesgo para neoplasias del cuello uterino en el Cauca, Colombia Translated title: The prevalence of abnormal cytology and inflammation and their association with risk factors for uterine cervical neoplasms in Cauca, Colombia

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          Abstract

          Objetivos Establecer la prevalencia del resultado de citología anormal e inflamación y su asociación con factores de riesgo para neoplasias del cuello uterino en mujeres del departamento del Cauca, Colombia. Metodología Después de la Arma voluntaria del consentimiento informado, las mujeres fueron entrevistadas a través de un cuestionario para colectar variables de tipo sociodemográfico y clínico, incluyendo historia reproductiva, actividad sexual, historia de citología y hábito de fumar. Posteriormente, se procedió a la toma de la citología para su análisis y clasificación según el sistema Bethesda 2001. Un total de 1735 mujeres fueron reclutadas para este estudio. Resultados Acorde con el resultado de citología, 1061 mujeres presentaron citología normal (61 %), 36 citología anormal (2 %) y 638 cambios celulares reactivos asociados a inflamación (37 %). Los resultados indican que tener relaciones sexuales a temprana edad, la multiparidad, el uso de anticonceptivos hormonales y no realizarse la citología anualmente fueron factores de riesgo asociados a citología anormal. Conclusiones Estos resultados brindan información valiosa a las instituciones de salud pública para desarrollar mejores programas de cribado para la prevención de neoplasias del cuello uterino en mujeres de la región y el país.

          Translated abstract

          Objectives Establishing the prevalence of abnormal and inflammation cytology reports and its association with risks factors for uterine cervical neoplasms amongst females from the Cauca department in Colombia. Methodology After signing a consent-form, females were interviewed using a questionnaire to collect socio-demographic and clinical data, including reproductive history, sexual activity, cytology history and smoking habits. Cytology was then taken for analysis and classification according to the 2001 Bethesda System. A total of 1,735 females were recruited for the study. Results According to the cytology report, 1061 women had normal cytology (61 %), 36 abnormal cytology (2 %) and 638 reactive cellular changes associated with inflammation (37 %). The results indicated that having sexual intercourse at an early age, multiparity, using hormonal contraceptives and not having annual cytology screening were associated with abnormal cytology reports. Conclusions These results provided valuable information for public health institutions for developing better screening programmes to prevent risks of uterine cervical neoplasms amongst females from our region and throughout Colombia.

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          Estimates of the world-wide prevalence of cancer for 25 sites in the adult population.

          In health services planning, in addition to the basic measures of disease occurrence incidence and mortality, other indexes expressing the demand of care are also required to develop strategies for service provision. One of these is prevalence of the disease, which measures the absolute number, and relative proportion in the population, of individuals affected by the disease and that require some form of medical attention. For most cancer sites, cases surviving 5 years from diagnosis experience thereafter the same survival as the general population, so most of the workload is therefore due to medical acts within these first 5 years. This article reports world-wide estimates of 1-, 2-3- and 4-5-year point prevalence in 1990 in the population aged 15 years or over, and hence describes the number of cancer cases diagnosed between 1986 and 1990 who were still alive at the end of 1990. These estimates of prevalence at 1, 2-3 and 4-5 years are applicable to the evaluation of initial treatment, clinical follow-up and point of cure, respectively, for the majority of cancers. We describe the computational procedure and data sources utilised to obtain these figures and compare them with data published by 2 cancer registries. The highest prevalence of cancer is in North America with 1.5% of the population affected and diagnosed in the previous 5 years (about 0.5% of the population in years 4-5 and 2-3 of follow-up and 0.4% within the first year of diagnosis). This corresponds to over 3.2 million individuals. Western Europe and Australia and New Zealand show very similar percentages with 1.2% and 1.1% of the population affected (about 3.9 and 0.2 million cases respectively). Japan and Eastern Europe form the next batch with 1.0% and 0.7%, followed by Latin America and the Caribbean (overall prevalence of 0.4%), and all remaining regions are around 0.2%. Cancer prevalence in developed countries is very similar in men and women, 1.1% of the sex-specific population, while in developing countries the prevalence is some 25% greater in women than men, reflecting a preponderance of cancer sites with poor survival such as liver, oesophagus and stomach in males. The magnitude of disease incidence is the primary determinant of crude prevalence of cases diagnosed within 1 year so that differences by region mainly reflect variation in risk. In the long-term period however different demographic patterns with long-life expectancy in high-income countries determine a higher prevalence in these areas even for relatively uncommon cancer sites such as the cervix. Copyright 2002 Wiley-Liss, Inc.
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            Effect of oral contraceptives on risk of cervical cancer in women with human papillomavirus infection: the IARC multicentric case-control study.

            Use of oral contraceptives could increase risk of cervical cancer; however the effect of human papillomavirus (HPV), the main cause of cervical cancer, is not usually taken into account. We aimed to assess how use of oral contraceptives affected risk of cervical cancer in women who tested positive for HPV DNA. We pooled data from eight case-control studies of patients with histologically confirmed invasive cervical carcinoma (ICC) and from two studies of patients with carcinoma in situ (ISC). Information about use of oral contraceptives was obtained from personal interviews. Effects were estimated as odds ratios, with logistic-regression models adjusted for possible confounders. 1465 of 1561 (94%) patients with ICC, 211 of 292 (72%) with ISC, and 255 of 1916 (13%) controls were positive for HPV DNA. Compared with never-users, patients who had used oral contraceptives for fewer than 5 years did not have increased risk of cervical cancer (odds ratio 0.73; 95% CI 0.52-1.03). The odds ratio for use of oral contraceptives was 2.82 (95% CI 1.46-5.42) for 5-9 years, and 4.03 (2.09-8.02) for use for 10 years or longer, and these risks did not vary by time since first or last use. Long-term use of oral contraceptives could be a cofactor that increases risk of cervical carcinoma by up to four-fold in women who are positive for cervical HPV DNA. In the absence of worldwide information about HPV status, extra effort should be made to include long-term users of oral contraceptives in cervical screening programmes.
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              Incidence, duration, and determinants of cervical human papillomavirus infection in a cohort of Colombian women with normal cytological results.

              Data on the incidence and determinants of human papillomavirus (HPV) infection in women >30 years old are scarce. To address this, a cohort of 1610 women--15-85 years old, HPV negative, and with normal cytological results at baseline--was monitored every 6 months for an average of 4.1 years. Information on risk factors and cervical samples for cytological testing and detection and typing of HPV DNA were obtained at each visit. The incidence of high-risk types was higher than that of low-risk types (5.0 vs. 2.0 cases/100 woman-years). The age-specific incidence curve for high-risk types was bimodal, whereas the incidence of low-risk types gradually decreased with age. Infections with high-risk types lasted longer than infections with low-risk types (14.8 vs. 11.1 months). In this cohort of cytologically normal women, the incidence of cervical HPV infection was high, and the epidemiological profile of high-risk HPV types was different from that of low-risk types.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                rsap
                Revista de Salud Pública
                Rev. salud pública
                Instituto de Salud Publica, Faculdad de Medicina -Universidad Nacional de Colombia (Bogotá )
                0124-0064
                February 2012
                : 14
                : 1
                : 53-66
                Affiliations
                [1 ] Universidad del Cauca Colombia
                Article
                S0124-00642012000100005
                995280df-ddd9-4948-ab21-33bfb23fead8

                http://creativecommons.org/licenses/by/4.0/

                History
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                SciELO Colombia

                Self URI (journal page): http://www.scielosp.org/scielo.php?script=sci_serial&pid=0124-0064&lng=en
                Categories
                Health Policy & Services

                Public health
                Cytology,risk factor,human papillomavirus,inflammation,uterine cervical neoplasm,Colombia,Citología,factores de riesgo,papilomavirus humano,inflamación,neoplasias del cuello uterino

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