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cervical cancer screening low resource setting

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https://www.readbyqxmd.com/read/29770625/risks-of-cervical-intraepithelial-neoplasia-grade-3-or-invasive-cancers-in-ascus-women-with-different-management-a-population-based-cohort-study
#1
Yi Jou Tai, Yun Yuan Chen, Huang Cheng Hsu, Chun Ju Chiang, San Lin You, Chi An Chen, Wen Fang Cheng
OBJECTIVE: To investigate the progression risk of atypical squamous cells of undetermined significance (ASCUS) with different clinical managements. METHODS: Women with their first diagnosis of ASCUS cytology were retrieved from the national cervical cancer screening database and linked to the national health insurance research database to identify the management of these women. The incidences of developing cervical intraepithelial neoplasia grade 3 and invasive cervical cancer (CIN3+) were calculated, and the hazard ratios (HRs) were estimated using a Cox proportional hazards model...
March 20, 2018: Journal of Gynecologic Oncology
https://www.readbyqxmd.com/read/29751793/uptake-of-three-doses-of-hpv-vaccine-by-primary-school-girls-in-eldoret-kenya-a-prospective-cohort-study-in-a-malaria-endemic-setting
#2
Hillary Mabeya, Sonia Menon, Steven Weyers, Violet Naanyu, Emily Mwaliko, Elijah Kirop, Omenge Orango, Heleen Vermandere, Davy Vanden Broeck
BACKGROUND: All women are potentially at risk of developing cervical cancer at some point in their life, yet it is avoidable cause of death among women in Sub- Saharan Africa with a world incidence of 530,000 every year. It is the 4th commonest cancer affecting women worldwide with over 260,000 deaths reported in 2012. Low resource settings account for over 75% of the global cervical cancer burden. Uptake of HPV vaccination is limited in the developing world. WHO recommended that 2 doses of HPV vaccine could be given to young girls, based on studies in developed countries...
May 11, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29692637/self-versus-physician-collected-samples-for-the-follow-up-of-human-papillomavirus-positive-women-in-sub-saharan-africa
#3
Manuela Viviano, Phuong Lien Tran, Bruno Kenfack, Rosa Catarino, Mohamed Akaaboune, Liliane Temogne, Eveline Tincho Foguem, Pierre Vassilakos, Patrick Petignat
Introduction: Human papillomavirus (HPV) testing is a suitable tool for primary cervical cancer (CC) screening and follow-up in low-resource settings. Vaginal samples taken by women themselves (Self-HPV) are an interesting alternative to physician-performed sampling (Dr-HPV). Our aim was to assess the performance of Self-HPV and Dr-HPV at 6 and 12 months following a CC screening campaign. Methods: This study was carried out at the Dschang District Hospital, Cameroon...
2018: International Journal of Women's Health
https://www.readbyqxmd.com/read/29603147/timely-follow-up-of-positive-cancer-screening-results-a-systematic-review-and-recommendations-from-the-prospr-consortium
#4
REVIEW
Chyke A Doubeni, Nicole B Gabler, Cosette M Wheeler, Anne Marie McCarthy, Philip E Castle, Ethan A Halm, Mitchell D Schnall, Celette S Skinner, Anna N A Tosteson, Donald L Weaver, Anil Vachani, Shivan J Mehta, Katharine A Rendle, Stacey A Fedewa, Douglas A Corley, Katrina Armstrong
Timely follow-up for positive cancer screening results remains suboptimal, and the evidence base to inform decisions on optimizing the timeliness of diagnostic testing is unclear. This systematic review evaluated published studies regarding time to follow-up after a positive screening for breast, cervical, colorectal, and lung cancers. The quality of available evidence was very low or low across cancers, with potential attenuated or reversed associations from confounding by indication in most studies. Overall, evidence suggested that the risk for poorer cancer outcomes rises with longer wait times that vary within and across cancer types, which supports performing diagnostic testing as soon as feasible after the positive result, but evidence for specific time targets is limited...
March 30, 2018: CA: a Cancer Journal for Clinicians
https://www.readbyqxmd.com/read/29589991/comparison-of-patient-flow-and-provider-efficiency-of-two-delivery-strategies-for-hpv-based-cervical-cancer-screening-in-western-kenya-a-time-and-motion-study
#5
Easter Olwanda, Jennifer Shen, James G Kahn, Katelyn Bryant-Comstock, Megan J Huchko
BACKGROUND: Improving patient flow and reducing over-crowding can improve quality, promptness of care, and patient satisfaction. Given low utilization of preventive care in low-resource countries, improved patient flows are especially important in these settings. OBJECTIVE: Compare patient flow and provider efficiency between two cervical cancer screening strategies via self-collected human papillomavirus (HPV). METHODS: We collected time and motion data for patients screened for cervical cancer in 12 communities in rural Migori County, Kenya as part of a larger cluster randomized trial...
2018: Global Health Action
https://www.readbyqxmd.com/read/29527550/the-value-of-visual-inspection-with-acetic-acid-and-pap-smear-in-cervical-cancer-screening-program-in-low-resource-settings-a-population-based-study
#6
REVIEW
Nguyen Vu Quoc Huy, Le Minh Tam, Ngo Viet Quynh Tram, Dang Cong Thuan, Truong Quang Vinh, Cao Ngoc Thanh, Linus Chuang
This study aims to determine the diagnostic values of visual inspection with acetic acid (VIA) and Pap smear in a cervical cancer screening program at a community level in Vietnam. A cross-sectional analysis was obtained, including 1034 women of reproductive age from Thua Thien Hue Province, Vietnam from 09/2012 to 09/2013. Samples were taken from cervixes for Pap smear testing, followed by visual inspection with acetic acid. Subjects with abnormal VIA and/or positive cytology results were invited for colposcopy and biopsy...
May 2018: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/29497146/opportunities-and-challenges-for-human-papillomavirus-vaccination-in-cancer
#7
REVIEW
Richard B S Roden, Peter L Stern
The discovery of genotype 16 as the prototype oncogenic human papillomavirus (HPV) initiated a quarter century of laboratory and epidemiological studies that demonstrated their necessary, but not sufficient, aetiological role in cervical and several other anogenital and oropharyngeal cancers. Early virus-induced immune deviation can lead to persistent subclinical infection that brings the risk of progression to cancer. Effective secondary prevention of cervical cancer through cytological and/or HPV screening depends on regular and widespread use in the general population, but coverage is inadequate in low-resource settings...
April 2018: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/29488817/innovative-approaches-to-cervical-cancer-screening-in-low-and-middle-income-countries
#8
P J Toliman, J M Kaldor, S N Tabrizi, A J Vallely
The estimated cervical cancer burden is over ten-fold greater in low- and middle-income countries (LMICs) than in high-income countries. This health gap is thought to be primarily due to limited access to effective screening and treatment programs for cervical pre-cancer and cancer in such settings. The World Health Organization advocates a policy of 'screen and treat' approach to cervical screening in LMICs and subsequently visual inspection of the cervix with acetic acid (VIA) or Lugo's iodine (VILI), followed by ablative cervical cryotherapy if indicated, and this policy has been implemented in many high-burden settings...
June 2018: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/29425225/an-integrated-strategy-for-improving-contrast-durability-and-portability-of-a-pocket-colposcope-for-cervical-cancer-screening-and-diagnosis
#9
Christopher T Lam, Jenna Mueller, Betsy Asma, Mercy Asiedu, Marlee S Krieger, Rhea Chitalia, Denali Dahl, Peyton Taylor, John W Schmitt, Nimmi Ramanujam
INTRODUCTION: We have previously developed a portable Pocket Colposcope for cervical cancer screening in resource-limited settings. In this manuscript we report two different strategies (cross-polarization and an integrated reflector) to improve image contrast levels achieved with the Pocket Colposcope and evaluate the merits of each strategy compared to a standard-of-care digital colposcope. The desired outcomes included reduced specular reflection (glare), increased illumination beam pattern uniformity, and reduced electrical power budget...
2018: PloS One
https://www.readbyqxmd.com/read/29407199/paper-based-immunosensor-with-signal-amplification-by-enzyme-labeled-anti-p16-ink4a-multifunctionalized-gold-nanoparticles-for-cervical-cancer-screening
#10
Ruchuon Yokchom, Somsak Laiwejpithaya, Weerakanya Maneeprakorn, Satita Tapaneeyakorn, Jundee Rabablert, Tararaj Dharakul
The aim of this study was to develop a paper-based immunosensor for cervical cancer screening, with signal amplification by multifunctionalized gold nanoparticles (AuNPs). The AuNPs were functionalized with a highly specific antibody to the p16INK4a cancer biomarker. The signal was amplified using a combination of the peroxidase activity of horseradish peroxidase (HRP) enzyme-antibody conjugate and the peroxidase-like activity of the AuNPs. The immune complex of p16INK4a protein and multifunctionalized AuNPs was deposited on the nitrocellulose membrane, and a positive result was generated by catalytic oxidation of peroxidase enzyme substrate 3,3',5,5'-Tetramethylbenzidine (TMB)...
April 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29380356/association-between-visual-inspection-of-the-cervix-with-acetic-acid-examination-and-high-risk-human-papillomavirus-infection-chlamydia-trachomatis-neisseria-gonorrhoeae-and-trichomonas-vaginalis-in-papua-new-guinea
#11
Andrew J Vallely, Pamela J Toliman, Claire Ryan, Glennis Rai, Johanna Wapling, Josephine Gabuzzi, Antonia Kumbia, Benny Kombuk, Zure Kombati, Lisa M Vallely, Angela Kelly-Hanku, Handan Wand, Sepehr N Tabrizi, Glen D L Mola, John M Kaldor
BACKGROUND: Papua New Guinea (PNG) has among the highest estimated burdens of cervical cancer globally but currently has no national cervical screening program. Visual inspection of the cervix with acetic acid (VIA) is a low-cost screening strategy endorsed by the World Health Organization that has been adopted in many low-resource settings but not previously evaluated in PNG. AIM: To evaluate the association between VIA examination findings and high-risk HPV (hrHPV) infection; and the impact of concomitant genital Chlamydia trachomatis, Neisseria gonorrhoeae and Trichomonas vaginalis on the interpretation of VIA findings...
January 30, 2018: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29369251/community-based-screening-for-cervical-cancer-using-visual-inspection-with-acetic-acid-results-and-lessons-learned-from-a-pilot-study-in-vietnam
#12
Lan T H Vu, Hanh T D Tran, Binh Th Nguyen, Ha T T Bui, Anh Duy Nguyen, Nha Ba Pham
CONTEXT: Vietnam still applies the opportunistic cytology-based screening model, which failed to have an impact on the increasing burden of cervical cancer in Vietnam. OBJECTIVES: To pilot a community-based screening model for cervical cancer using visual inspection with acetic acid (VIA) in Vietnam by training midwife and assistant physician working at grassroots level of health care system. DESIGN: The study employed a pre-experimental design...
March 2018: Journal of Public Health Management and Practice: JPHMP
https://www.readbyqxmd.com/read/29353972/accuracy-of-triage-strategies-for-human-papillomavirus-dna-positive-women-in-low-resource-settings-a-cross-sectional-study-in-china
#13
Margaret Wang, Shangying Hu, Shuang Zhao, Wenhua Zhang, Qinjing Pan, Xun Zhang, Feng Chen, Jinxiu Han, Junfei Ma, Jennifer S Smith, Youlin Qiao, Caihong Zhou, Fanghui Zhao
Objective: Care HPV is a human papillomavirus (HPV) DNA test for low-resource settings (LRS). This study assesses optimum triage strategies for care HPV-positive women in LRS. Methods: A total of 2,530 Chinese women were concurrently screened for cervical cancer with visual inspection with acetic acid (VIA), liquid-based cytology and HPV testing by physician- and self-collected care HPV, and physician-collected Hybrid Capture 2 (HC2). Screen-positive women were referred to colposcopy with biopsy and endocervical curettage as necessary...
December 2017: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/29207966/study-protocol-for-a-cluster-randomized-trial-to-compare-human-papillomavirus-based-cervical-cancer-screening-in-community-health-campaigns-versus-health-facilities-in-western-kenya
#14
Megan J Huchko, James G Kahn, Jennifer S Smith, Robert A Hiatt, Craig R Cohen, Elizabeth Bukusi
BACKGROUND: Despite guidelines for cervical cancer prevention in low-resource countries, a very small proportion of women in these settings undergo screening, and even fewer women are successfully treated. Using pilot data from western Kenya and World Health Organization recommendations, we developed a protocol to implement evidence-based cervical cancer screening and linkage to treatment strategies to the rural communities. We describe the protocol for a cluster-randomized trial to compare two implementation strategies for human-papillomavirus (HPV)-based cervical cancer screening program using metrics described in the RE-AIM (reach, efficacy, adaption, implementation and maintenance) framework...
December 6, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29197485/cervical-cancer-screening-in-low-resource-settings
#15
Laurie Elit, Gina Ogilvie, Marrette Lee
No abstract text is available yet for this article.
December 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/29178896/estimating-the-value-of-point-of-care-hpv-testing-in-three-low-and-middle-income-countries-a-modeling-study
#16
Nicole G Campos, Vivien Tsu, Jose Jeronimo, Mercy Mvundura, Jane J Kim
BACKGROUND: Where resources are available, the World Health Organization recommends cervical cancer screening with human papillomavirus (HPV) DNA testing and subsequent treatment of HPV-positive women with timely cryotherapy. Newer technologies may facilitate a same-day screen-and-treat approach, but these testing systems are generally too expensive for widespread use in low-resource settings. METHODS: To assess the value of a hypothetical point-of-care HPV test, we used a mathematical simulation model of the natural history of HPV and data from the START-UP multi-site demonstration project to estimate the health benefits and costs associated with a shift from a 2-visit approach (requiring a return visit for treatment) to 1-visit HPV testing (i...
November 25, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29153541/screening-for-cervical-cancer-among-hiv-positive-and-hiv-negative-women-in-cameroon-using-simultaneous-co-testing-with-carehpv-dna-testing-and-visual-inspection-enhanced-by-digital-cervicography-findings-of-initial-screening-and-one-year-follow-up
#17
Preetam Cholli, Leslie Bradford, Simon Manga, Kathleen Nulah, Edith Kiyang, Florence Manjuh, Geneva DeGregorio, Rebecca K Ogembo, Enow Orock, Yuxin Liu, Richard G Wamai, Lisa Kennedy Sheldon, Philimon N Gona, Zacharie Sando, Thomas Welty, Edith Welty, Javier Gordon Ogembo
OBJECTIVE: The World Health Organization (WHO)'s cervical cancer screening guidelines for limited-resource settings recommend sequential screening followed by same-day treatment under a "screen-and-treat" approach. We aimed to (1) assess feasibility and clinical outcomes of screening HIV-positive and HIV-negative Cameroonian women by pairing visual inspection with acetic acid and Lugol's iodine enhanced by digital cervicography (VIA/VILI-DC) with careHPV, a high-risk human papillomavirus (HR-HPV) nucleic acid test designed for low-resource settings; and (2) determine persistence of HR-HPV infection after one-year follow-up to inform optimal screening, treatment, and follow-up algorithms...
January 2018: Gynecologic Oncology
https://www.readbyqxmd.com/read/29139071/the-outcomes-of-an-educational-program-involving-men-as-motivators-to-encourage-women-to-be-screened-for-cervical-cancer
#18
Jeniffer Rwamugira, Johanna E Maree, Nokuthula Mafutha
Cervical cancer is a major health problem in South Africa. Despite having a national, population-based screening program, screening coverage is as low as 13%. Based on the role men could play in increasing cervical cancer screening and the low level of knowledge, men living in the study setting had about this health issue, we developed and pilot tested an educational program aimed at empowering men to teach their female partners and family members about cervical cancer and motivate them to be screened. The study setting was Ward 23 in Muldersdrift, a semi-urban, resource poor area situated northeast of Johannesburg...
November 14, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/29121873/barriers-to-hpv-self-sampling-and-cytology-among-low-income-indigenous-women-in-rural-areas-of-a-middle-income-setting-a-qualitative-study
#19
Betania Allen-Leigh, Patricia Uribe-Zúñiga, Leith León-Maldonado, Brandon J Brown, Attila Lörincz, Jorge Salmeron, Eduardo Lazcano-Ponce
BACKGROUND: Data is needed about barriers to self-collection of Human Papillomavirus (HPV) samples and cytology among low-income, disadvantaged women living in rural areas of lower-income countries as these women are at increased risk of cervical cancer mortality. METHODS: Individual interviews (n = 29), focus groups (n = 7, 5-11 participants) and discussion groups (n = 2, 18-25 participants) were organized with women from three indigenous ethnic groups residing in rural areas in Mexico, after they were provided with free, self-sampled HPV tests...
November 9, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29094102/project-echo-a-telementoring-program-for-cervical-cancer-prevention-and-treatment-in-low-resource-settings
#20
Melissa S Lopez, Ellen S Baker, Andrea M Milbourne, Rose M Gowen, Ana M Rodriguez, Cesaltina Lorenzoni, Catherine Mwaba, Susan Citonje Msadabwe, José Humberto Tavares, Georgia Fontes-Cintra, Gustavo Zucca-Matthes, Donato Callegaro-Filho, Danielle Ramos-Martin, Icaro Thiago de Carvalho, Robson Coelho, Renato Moretti Marques, Thiago Chulam, Mila Pontremoli-Salcedo, Fernanda Nozar, Veronica Fiol, Mauricio Maza, Sanjeev Arora, Ernest T Hawk, Kathleen M Schmeler
Cervical cancer incidence and mortality rates are significantly higher in low- and middle-income countries compared with the United States and other developed countries. This disparity is caused by decreased access to screening, often coupled with low numbers of trained providers offering cancer prevention and treatment services. However, similar disparities are also found in underserved areas of the United States, such as the Texas-Mexico border, where cervical cancer mortality rates are 30% higher than in the rest of Texas...
October 2017: Journal of Global Oncology
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