Reliability of conventional Papanicolaou smear in diagnosing bacterial vaginosis among women with clinical genital infection

Objective: Bacterial vaginosis (BV) is a common reproductive tract infection (RTI) reported among Indian women. BV can influence the persistence of high-risk oncogenic human papillomavirus, a causative factor for cervical cancer. BV and cervical cancer are major public health issues in a developing...

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Main Authors: Kavita Vivek Anand, Sharmila Anil Pimple, Gauravi A. Mishra, Rupali V. Sahare, Saleem Pathuthara, Kedar K. Deodhar, Surendra S. Shastri
Format: Article
Language:English
Published: Thieme Medical and Scientific Publishers Pvt. Ltd. 2020-01-01
Series:South Asian Journal of Cancer
Subjects:
Online Access:http://www.thieme-connect.de/DOI/DOI?10.4103/sajc.sajc_421_18
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author Kavita Vivek Anand
Sharmila Anil Pimple
Gauravi A. Mishra
Rupali V. Sahare
Saleem Pathuthara
Kedar K. Deodhar
Surendra S. Shastri
author_facet Kavita Vivek Anand
Sharmila Anil Pimple
Gauravi A. Mishra
Rupali V. Sahare
Saleem Pathuthara
Kedar K. Deodhar
Surendra S. Shastri
author_sort Kavita Vivek Anand
collection DOAJ
description Objective: Bacterial vaginosis (BV) is a common reproductive tract infection (RTI) reported among Indian women. BV can influence the persistence of high-risk oncogenic human papillomavirus, a causative factor for cervical cancer. BV and cervical cancer are major public health issues in a developing country like India. It becomes important for a resource-constrained country like India with poor healthcare access to implement control measures to screen and treat RTI in an attempt to prevent the risk for cervical cancer. Papanicolaou (Pap) smear is an established screening tool for cervical cancer and the diagnosis of RTIs, forms a part of its evaluation. The present study explores the validity of conventional Pap smear in diagnosing BV. Methodology: Pap smear and Gram stain smear were collected for 254 women with clinically evident cervicitis/cervicovaginitis (genital infection). Using the Nugent score on Gram stain as a gold standard, we determined the sensitivity and specificity of Pap smear to diagnose BV. Results: The overall prevalence of BV in the study population was 44% using the Nugent score. Pap smear showed sensitivity and specificity of 70.9%. (CI- 61.5% - 79.2%) and 56.8% (CI – 48.2%–65.2%), respectively. The positive predictive value of Pap smear to diagnose BV was 56.5% (CI – 47.8%–64.9%), and the negative predictive value was 71.2% (CI – 61.8%–79.4%). Conclusion: In the present study, conventional Pap smear demonstrates good accuracy to detect BV. Pap testing for cervical cancer screening can additionally serve as an effective screening tool for diagnosing BV among women with genital infection in healthcare settings.
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spelling doaj.art-76fc0a188a5543fbb14a8321971f3e2d2022-12-21T23:21:47ZengThieme Medical and Scientific Publishers Pvt. Ltd.South Asian Journal of Cancer2278-330X2278-43062020-01-010901131610.4103/sajc.sajc_421_18Reliability of conventional Papanicolaou smear in diagnosing bacterial vaginosis among women with clinical genital infectionKavita Vivek Anand0Sharmila Anil Pimple1Gauravi A. Mishra2Rupali V. Sahare3Saleem Pathuthara4Kedar K. Deodhar5Surendra S. Shastri6Department of Preventive Oncology, Tata Memorial Centre, Affliliated to Homi Bhabha National Institute, Mumbai, MaharashtraDepartment of Preventive Oncology, Tata Memorial Centre, Affliliated to Homi Bhabha National Institute, Mumbai, MaharashtraDepartment of Preventive Oncology, Tata Memorial Centre, Affliliated to Homi Bhabha National Institute, Mumbai, MaharashtraDepartment of Microbiology, R. N. Cooper General Hospital, Tata Memorial Hospital, Mumbai, MaharashtraDepartment of Cytopathology, Tata Memorial Hospital, Mumbai, MaharashtraDepartment of Pathology, Tata Memorial Hospital, Mumbai, MaharashtraDepartment of Health Disparities Research, Division of Cancer Prevention and Population Science, MD Anderson Cancer Centre, HoustonObjective: Bacterial vaginosis (BV) is a common reproductive tract infection (RTI) reported among Indian women. BV can influence the persistence of high-risk oncogenic human papillomavirus, a causative factor for cervical cancer. BV and cervical cancer are major public health issues in a developing country like India. It becomes important for a resource-constrained country like India with poor healthcare access to implement control measures to screen and treat RTI in an attempt to prevent the risk for cervical cancer. Papanicolaou (Pap) smear is an established screening tool for cervical cancer and the diagnosis of RTIs, forms a part of its evaluation. The present study explores the validity of conventional Pap smear in diagnosing BV. Methodology: Pap smear and Gram stain smear were collected for 254 women with clinically evident cervicitis/cervicovaginitis (genital infection). Using the Nugent score on Gram stain as a gold standard, we determined the sensitivity and specificity of Pap smear to diagnose BV. Results: The overall prevalence of BV in the study population was 44% using the Nugent score. Pap smear showed sensitivity and specificity of 70.9%. (CI- 61.5% - 79.2%) and 56.8% (CI – 48.2%–65.2%), respectively. The positive predictive value of Pap smear to diagnose BV was 56.5% (CI – 47.8%–64.9%), and the negative predictive value was 71.2% (CI – 61.8%–79.4%). Conclusion: In the present study, conventional Pap smear demonstrates good accuracy to detect BV. Pap testing for cervical cancer screening can additionally serve as an effective screening tool for diagnosing BV among women with genital infection in healthcare settings.http://www.thieme-connect.de/DOI/DOI?10.4103/sajc.sajc_421_18bacterial vaginosiscervicitishuman papillomavirusnugent scorepapanicolaou smear
spellingShingle Kavita Vivek Anand
Sharmila Anil Pimple
Gauravi A. Mishra
Rupali V. Sahare
Saleem Pathuthara
Kedar K. Deodhar
Surendra S. Shastri
Reliability of conventional Papanicolaou smear in diagnosing bacterial vaginosis among women with clinical genital infection
South Asian Journal of Cancer
bacterial vaginosis
cervicitis
human papillomavirus
nugent score
papanicolaou smear
title Reliability of conventional Papanicolaou smear in diagnosing bacterial vaginosis among women with clinical genital infection
title_full Reliability of conventional Papanicolaou smear in diagnosing bacterial vaginosis among women with clinical genital infection
title_fullStr Reliability of conventional Papanicolaou smear in diagnosing bacterial vaginosis among women with clinical genital infection
title_full_unstemmed Reliability of conventional Papanicolaou smear in diagnosing bacterial vaginosis among women with clinical genital infection
title_short Reliability of conventional Papanicolaou smear in diagnosing bacterial vaginosis among women with clinical genital infection
title_sort reliability of conventional papanicolaou smear in diagnosing bacterial vaginosis among women with clinical genital infection
topic bacterial vaginosis
cervicitis
human papillomavirus
nugent score
papanicolaou smear
url http://www.thieme-connect.de/DOI/DOI?10.4103/sajc.sajc_421_18
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