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Kumar P, Das C, Das U, Kumar A, Priyam N, Ranjan V, Sahu D, Rai SK, Godbole SV, Arumugam E, PVM L, Dutta S, Devi HS, Pandey A, Reddy DCS, Mehendale S, Rajan S. Augmenting progress on the elimination of vertical transmissions of HIV in India: Insights from Spectrum-based HIV burden estimations. PLOS GLOBAL PUBLIC HEALTH 2023; 3:e0002270. [PMID: 37556441 PMCID: PMC10411776 DOI: 10.1371/journal.pgph.0002270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 07/17/2023] [Indexed: 08/11/2023]
Abstract
The government of India has adopted the elimination of vertical transmission of HIV as one of the five high-level goals under phase V of the National AIDS and STD Control Programme (NACP). In this paper, we present the data from HIV estimations 2021 for India and select States detailing the progress as well as the attributable causes for vertical transmissions. The NACP spearheads work on mathematical modelling to estimate HIV burden based on the periodically conducted sentinel surveillance for guiding program implementation and policymaking. Using the results of the latest round of HIV Estimations in 2021, we analysed the mother-to-child transmission (MTCT) during the perinatal and postnatal (breastfeeding) period. In 2021, overall, around 5,000 [3,000-7,800] vertical transmissions were estimated nationally with 58% being perinatal infections and remaining during breastfeeding. MTCT at 6 weeks was around 12.95% [9.45-16.02] with the final transmission rate at 24.25% [18.50-29.50]. Overall, 57% of vertical transmissions were among HIV-positive mothers who did not receive ART during pregnancy or breastfeeding, 19% among mothers who dropped off ART during pregnancy or delivery, and 18% among mothers who were infected during pregnancy or breastfeeding. There were significant variations between States. Depending upon the States, the programme needs to focus on the intervention domains of timely engagement in antenatal care-HIV testing-ART initiation as well as programme retention and adherence support. Equally important would be strengthening the strategic information to generate related evidence for inputting India and State-specific parameters improving the MTCT-related modelled estimates.
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Affiliation(s)
- Pradeep Kumar
- National AIDS Control Organization, Ministry of Health and Family Welfare, New Delhi, India
| | - Chinmoyee Das
- National AIDS Control Organization, Ministry of Health and Family Welfare, New Delhi, India
| | - Udayabhanu Das
- National AIDS Control Organization, Ministry of Health and Family Welfare, New Delhi, India
| | - Arvind Kumar
- National AIDS Control Organization, Ministry of Health and Family Welfare, New Delhi, India
| | - Nidhi Priyam
- National AIDS Control Organization, Ministry of Health and Family Welfare, New Delhi, India
| | - Varsha Ranjan
- Indian Council of Medical Research, National Institute of Medical Statistics, New Delhi, India
| | - Damodar Sahu
- Indian Council of Medical Research, National Institute of Medical Statistics, New Delhi, India
| | - Sanjay K. Rai
- All India Institute of Medical Sciences, New Delhi, India
| | - Sheela V. Godbole
- Indian Council of Medical Research, National AIDS Research Institute, Pune, India
| | - Elangovan Arumugam
- Indian Council of Medical Research, National Institute of Epidemiology, Chennai, India
| | - Lakshmi PVM
- Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Shanta Dutta
- Indian Council of Medical Research, National Institute of Cholera and Enteric Diseases, Kolkata, India
| | | | - Arvind Pandey
- Indian Council of Medical Research, National Institute of Medical Statistics, New Delhi, India
- Indian Council of Medical Research, New Delhi, India
| | | | - Sanjay Mehendale
- Indian Council of Medical Research, New Delhi, India
- PD Hinduja Hospital and Medical Research Center, Mumbai, India
| | - Shobini Rajan
- National AIDS Control Organization, Ministry of Health and Family Welfare, New Delhi, India
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Quality of female sterilization counseling in India: A method information index analysis. CLINICAL EPIDEMIOLOGY AND GLOBAL HEALTH 2023. [DOI: 10.1016/j.cegh.2023.101263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023] Open
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Lahiri S, Maji S, Manjunath N, Bahubali VH, Chandrashekar N. Trends of CNS Cryptococcosis during Pre- and Post-HIV era: A 38 years' retrospective cohort analysis from south India. J Mycol Med 2023; 33:101358. [PMID: 36701873 DOI: 10.1016/j.mycmed.2023.101358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 01/08/2023] [Accepted: 01/09/2023] [Indexed: 01/13/2023]
Abstract
OBJECTIVE Central nervous system cryptococcosis (CNSc) is an AIDS defining opportunistic infection. This retrospective study aimed to analyze the changing epidemiology of CNSc cases from the period of pre- to post-emergence of HIV epidemic in south India. METHODS Confirmed cases of CNSc from 1978 to 2015 were analyzed for demographic and clinical details with special reference to the cases diagnosed in south India during the period 1952-1977. Geographical distribution, affected age groups, clinical aspects, and comorbidities in relation to immune status were analysed RESULTS: The highest number of CNSc cases (n = 125) were recorded in 2006, with 89.6% HIV positivity. The highest HIV-positivity (93.6%) was documented in the years 2002 and 2009. CNSc cases have majorly changed after the introduction and spread of HIV in terms of predisposing factors, comorbidities, severity, affected age groups and treatment. Notably, an overall rise was observed in non-HIV associated CNSc cases from 1997 (8.1%) to 2015 (16.9%). CONCLUSION The peak of CNSc had already reached in south India during 2005-2006. However, the number of new infections has slowly decreased in last ten years. Progressive awareness and, early diagnosis of HIV and cryptococcosis, adequate availability of HAART and potential antifungal therapy has played crucial roles in changing epidemiology of the CNSc and its associated mortality.
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Affiliation(s)
- Shayanki Lahiri
- Department of Neuromicrobiology, National Institute of Mental Health and Neuro Sciences, Bangalore, India 560029
| | - Sayani Maji
- Department of Neuromicrobiology, National Institute of Mental Health and Neuro Sciences, Bangalore, India 560029
| | - Netravathi Manjunath
- Department of Neurology, National Institute of Mental Health and Neuro Sciences, Bangalore, India, 560029
| | - Veenakumari H Bahubali
- Department of Neuromicrobiology, National Institute of Mental Health and Neuro Sciences, Bangalore, India 560029
| | - Nagarathna Chandrashekar
- Department of Neuromicrobiology, National Institute of Mental Health and Neuro Sciences, Bangalore, India 560029.
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Pradhan MR, Mondal S. Predictors of contraceptive use among young married women in India: Does pregnancy history matter? J Obstet Gynaecol Res 2023; 49:331-340. [PMID: 36281034 DOI: 10.1111/jog.15479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 10/11/2022] [Accepted: 10/14/2022] [Indexed: 01/19/2023]
Abstract
AIM Contraceptive use and its correlates among young women continue to draw research attention due to its implication for fertility reduction, improved maternal and child health, and sexual and reproductive rights. This study explores the association between pregnancy history and contraceptive use among currently married young women (aged 15-24 years at childbirth) in India. METHOD Data from the National Family Health Survey (2019-2021) was analyzed through STATA with a significance level of 5%. The births in the last 5 years preceding the survey to the women aged 15-24 years at childbirth (n = 127 954) were considered for analysis. Multinomial logistic regression was used to check the unadjusted and adjusted effects of the pregnancy history on contraceptive use. RESULTS Young women with a history of mistimed pregnancy had significantly lower odds of using modern limiting methods of contraception (odds ratio [OR] = 0.90, confidence interval [CI] = 0.82-0.98), and those with a prior unwanted pregnancy were more likely to use modern limiting methods of contraception (OR = 1.75, CI = 1.57-1.95). CONCLUSION Pregnancy history influences young married women's current contraceptive use in India. Family planning programs may use the contacts with antenatal, delivery, and post-delivery care system as an opportunity to identify women with an unwanted pregnancy, especially those educationally and economically weaker, for targeted information and service delivery. Better counseling of potential young contraceptive acceptors will ensure informed decision-making and increased use of modern spacing methods.
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Affiliation(s)
- Manas R Pradhan
- Department of Fertility and Social Demography, International Institute for Population Sciences (IIPS), Mumbai, Maharashtra, India
| | - Sourav Mondal
- International Institute for Population Sciences (IIPS), Mumbai, Maharashtra, India
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Sahu D, Kumar P, Chandra N, Rajan S, Shukla DK, Venkatesh S, Nair S, Kumar A, Singh J, Reddy S, Godbole S, Elangovan A, Saha MK, Rai S, Lakshmi PVM, Gambhir T, Ammassari S, Joshi D, Das A, Bakshi P, Chakraborty S, Palkar A, Singh SK, Reddy DCS, Kant S, Pandey A, Vardhana Rao MV. Findings from the 2017 HIV estimation round & trend analysis of key indicators 2010-2017: Evidence for prioritising HIV/AIDS programme in India. Indian J Med Res 2021; 151:562-570. [PMID: 32719229 PMCID: PMC7602920 DOI: 10.4103/ijmr.ijmr_1619_19] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background & objectives: The National AIDS Control Organisation (NACO) and the ICMR-National Institute of Medical Statistics, the nodal agency for conducting HIV estimations in India, have been generating HIV estimates regularly since 2003. The objective of this study was to describe India's biennial HIV estimation 2017 process, data inputs, tool, methodology and epidemiological assumptions used to generate the HIV estimates and trends of key indicators for 2010-2017 at national and State/Union Territory levels. Methods: Demographic Projection (DemProj) and AIDS Impact Modules (AIM) of Spectrum 5.63 software recommended by the United Nations Programme on HIV and AIDS Global Reference Group on HIV Estimates, Modelling and Projections, were used for generating HIV estimations on key indicators. HIV sentinel surveillance, epidemiological and programme data were entered into Estimation Projection Package (EPP), and curve fitting was done using EPP classic model. Finally, calibration was done using the State HIV prevalence of two rounds of National Family Health Survey (NFHS) -3 and -4 and Integrated Biological and Behavioural Surveillance (IBBS), 2014-2015. Results: The national adult prevalence of HIV was estimated to be 0.22 per cent in 2017. Mizoram, Manipur and Nagaland had the highest prevalence over one per cent. An estimated 2.1 million people were living with HIV in 2017, with Maharashtra estimated to have the highest number. Of the 88 thousand annual new HIV infections estimated nationally in 2017, Telangana accounted for the largest share. HIV incidence was found to be higher among key population groups, especially people who inject drugs. The annual AIDS-related deaths were estimated to be 69 thousand nationally. For all indicators, geographic variation in levels and trends between States existed. Interpretation & conclusions: With a slow decline in annual new HIV infections by only 27 per cent from 2010 to 2017 against the national target of 75 per cent by 2020, the national target to end AIDS by 2030 may be missed; although at the sub-national level some States have made better progress to reduce new HIV infection. It calls for reinforcement of HIV prevention, diagnosis and treatment efforts by geographical regions and population groups.
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Affiliation(s)
- Damodar Sahu
- ICMR-National Institute of Medical Statistics, Chennai, Tamil Nadu, India
| | - Pradeep Kumar
- Division of Strategic lnformation - Surveillance and Epidemiology, National AIDS Control Organisation, Ministry of Health & Family Welfare, Government of India, Chennai, Tamil Nadu, India
| | - Nalini Chandra
- Joint United Nations Programme on HIV/AIDS, New Delhi, India
| | - Shobini Rajan
- Division of Strategic lnformation - Surveillance and Epidemiology, National AIDS Control Organisation, Ministry of Health & Family Welfare, Government of India, Chennai, Tamil Nadu, India
| | - D K Shukla
- ICMR-National Institute of Medical Statistics, Chennai, Tamil Nadu, India
| | - S Venkatesh
- Principal Advisor to Board of Governors, Medical Council of India, New Delhi, India
| | - Saritha Nair
- ICMR-National Institute of Medical Statistics, Chennai, Tamil Nadu, India
| | - Anil Kumar
- ICMR-National Institute of Medical Statistics, Chennai, Tamil Nadu, India
| | - Jitenkumar Singh
- ICMR-National Institute of Medical Statistics, Chennai, Tamil Nadu, India
| | - Srikanth Reddy
- ICMR-National Institute of Medical Statistics, Chennai, Tamil Nadu, India
| | - Sheela Godbole
- ICMR-National AIDS Research Institute, Pune, Maharashtra, India
| | - A Elangovan
- Computing and Information Sciences, ICMR-National Institute of Epidemiology, Chennai, Tamil Nadu, India
| | - M K Saha
- Department of Virology, ICMR-National Institute of Cholera & Enteric Diseases, Kolkata, West Bengal, India
| | - Sanjay Rai
- Centre for Community Medicine, All India Institute of Medical Sciences, Chennai, Tamil Nadu, India
| | - P V M Lakshmi
- Department of Community Medicine and School of Public Health, Postgraduate Institute of Medical Education & Research, Chandigarh, India
| | - T Gambhir
- Department of Community Medicine, Regional Institute of Medical Sciences, Imphal, Manipur, India
| | | | | | - Amitabh Das
- Odisha State AIDS Control Society, Bhubaneswar, Odisha, India
| | - Poonam Bakshi
- Chandigarh State AIDS Control Society, Chandigarh, India
| | | | - Amol Palkar
- Mumbai District AIDS Control Society, Maharashtra, India
| | - S K Singh
- Department of Mathematical Demography and Statistics, International Institute for Population Sciences, Mumbai, India
| | - D C S Reddy
- Department of Community Medicine, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
| | - Shashi Kant
- Centre for Community Medicine, All India Institute of Medical Sciences, Chennai, Tamil Nadu, India
| | - Arvind Pandey
- ICMR-National Institute of Medical Statistics, Chennai, Tamil Nadu, India
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Bajpai R, Chaturvedi HK, Car J. How varying CD4 criteria for treatment initiation was associated with mortality of HIV-patients? A retrospective analysis of electronic health records from Andhra Pradesh, India. J Glob Health 2020; 10:010408. [PMID: 32257156 PMCID: PMC7125424 DOI: 10.7189/jogh.10.010408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Background HIV treatment and care services were scaled up in 2007 in India with objective to increase HIV-care coverage. CD4 count based criteria was mainly used for treatment initiation with increasing threshold in later years. Therefore, this paper aimed to evaluate the survival by varying CD4 criteria for antiretroviral treatment (ART) initiation among of HIV-positive patients, and independent factors associated with the mortality. Methods This retrospective cohort study included 127 949 HIV-positive patients aged ≥15 years, who initiated ART between 2007 and 2013 in Andhra Pradesh state, India. The patient’s demographic and clinical characteristics were extracted from the patient’s health records from electronic Computerized Management Information System Software (CMIS). Incidence of mortality/100 person-years was calculated for CD4 and treatment initiation categories. Kaplan-Meier and multivariable Cox-regression analyses were used to explore the association. Results Median CD4 count was 172 (inter-quartile range (IQR) = 102-240) at the time of treatment initiation, and 19.3% of them had ≤ 100 CD4 count. Incidence of mortality for the period 2007-08 (CD4 ≤ 200 cells/mm3) was 8.5/100 person-years compared to 6.4/100 person-years at risk for the period 2012 onwards (CD4 ≤ 350 cells/mm3). Earlier thresholds for treatment initiation showed higher risk of mortality (2007-08 (CD4 ≤ 200 cells/mm3), adjusted hazard ratio (HR): 1.86, 95% confidence interval (CI): 1.68-2.07; 2009-11 (CD4 ≤ 250 cells/mm3), HR = 1.67, 95% CI = 1.51-1.85) compared to 2012 onwards (CD4 ≤ 350 cells/mm3) criteria for treatment initiation. Conclusions Increasing CD4 threshold for treatment initiation over time was independently associated with lower risk of mortality. More efforts are required to detect and treat early, monitoring of follow-ups, promote health education to improve ART adherence, and provide supportive environment that encourages HIV-infected patients to disclose their HIV status in confidence.
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Affiliation(s)
- Ram Bajpai
- School of Primary Community and Social Care, Keele University, Newcastle-Under-Lyme, Staffordshire, UK.,National Institute of Medical Statistics, Indian Council of Medical Research, New Delhi, India
| | - Himanshu K Chaturvedi
- National Institute of Medical Statistics, Indian Council of Medical Research, New Delhi, India
| | - Josip Car
- Centre for Population Health Sciences, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore.,Global eHealth Unit, Department of Primary Care and Public Health, School of Public Health, Imperial College London, London, UK
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Quality of life perceptions amongst patients co-infected with Visceral Leishmaniasis and HIV: A qualitative study from Bihar, India. PLoS One 2020; 15:e0227911. [PMID: 32040525 PMCID: PMC7010301 DOI: 10.1371/journal.pone.0227911] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 01/02/2020] [Indexed: 11/19/2022] Open
Abstract
Background Co-infection with Visceral Leishmaniasis (commonly known as Kala Azar, KA) and Human Immunodeficiency Virus (HIV) is increasingly being diagnosed among patients in Bihar. This qualitative study is the first assessment of self-reported quality of life among patients co-infected with KA-HIV in the Asian context. Methods We conducted semi-structured, in-depth interviews and adopted an inductive thematic analysis to generate evidence on the quality of life of patients co-infected with KA and HIV. Patients were purposively sampled until saturation was attained. Results We found that patients highly valued income or livelihood potential and health as indicators of a good quality life, and routinely went into debt accessing care in the private setup. This was due to perceptions of poor quality of care in the government setup and a lack of knowledge regarding available government services at the district level. KA symptoms were often misdiagnosed in the private sector as seasonal fever, while care providers found it difficult to disentangle the clinical symptoms of KA and HIV; hence, patients presented late to district hospitals. Patients perceived a high level of stigma, largely due to their HIV status, and routinely reported that HIV had “destroyed” their life. Conclusions Inadequate social support and referral pathways that were not conducive to patient needs negatively impacted patients’ quality of life. The dual burden of poverty interacting with the severity and chronicity of KA-HIV co-infection means financial support, increased community engagement, and collaborative decision making are crucial for co-infected patients. Increased provider awareness of co-infection and effective stigma-reduction interventions should be integrated to ensure that appropriate and effective access to care is possible for this vulnerable population. A sustainable long-term strategy requires a people-centered approach wherein the perceptions and life circumstances of patients are taken into account in the medical decision making process.
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Informed choice in modern contraceptive method use: pattern and predictors among young women in India. J Biosoc Sci 2019; 52:846-859. [PMID: 31852550 DOI: 10.1017/s0021932019000828] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Research on informed choice in modern contraceptive method acceptance by young married women is pertinent in the broader context of individual freedom and reproductive rights, especially in countries where women continue to have limited control over their reproductive and contraceptive choices. This study in India asked: (1) is young married women's acceptance of specific modern contraceptive methods an informed choice? and (2) what are the enablers and barriers to informed choice? The study used data for currently married women aged 15-24 (N = 20,752) from the fourth round of the National Family Health Survey (NFHS-4) conducted in 2015-16. A Method Information Index (MII) was calculated as a measure of informed choice from the percentage of users who responded 'yes' to all three questions on: whether they were informed about methods other than the one they received, told about the method-specific side-effects, and advised what to do if they experienced side-effects. Binary logistic regression analysis was carried out to examine the adjusted effect of factors associated with the MII separately for female sterilization, the intrauterine device and the oral contraceptive pill, and a combined MII including all three methods plus injectables. One-fifth of the study women used any modern contraceptive method at the time of survey, of which only 36% had fully informed choice. The likelihood of being informed about the methods was significantly higher among those using the oral contraceptive pill (OR: 1.75, CI 1.58-1.94), IUD (OR: 2.23, CI 1.97-2.52) and injectables (OR: 1.37, CI 0.97-1.94) compared with those who were sterilized. Informed choice varied by region and the socioeconomic profile of the users. Inadequately informed choice violates the reproductive rights of young women and might result in higher post-use health problems, discontinuation of and unmet need for contraceptives, unintended pregnancies, induced abortions and regret, adversely affecting women's health. Training of health/family planning workers in India about the importance of reproductive rights is urgently required to enhance informed contraceptive choice and improve the health of young married women.
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Declining Trends in HIV Prevalence Among Women Attending Antenatal Care Clinics Obfuscate the Continued Vulnerability of Adolescent Girls in Maharashtra, India (2005-2017). J Acquir Immune Defic Syndr 2019; 82:e13-e17. [PMID: 31408032 DOI: 10.1097/qai.0000000000002098] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Pradhan MR, Dwivedi LK. Changes in contraceptive use and method mix in India: 1992-92 to 2015-16. SEXUAL & REPRODUCTIVE HEALTHCARE 2018; 19:56-63. [PMID: 30928136 DOI: 10.1016/j.srhc.2018.12.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 12/10/2018] [Accepted: 12/29/2018] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Contraceptive use is subject of scientific interest for its contribution to reduced fertility and improved maternal and child health in India. This study answers the changes in method mix and the influence of factors associated with contraceptive use in India during 1992-93 to 2015-16. METHODS The study used data from all the four rounds of National Family Health Survey (NFHS) conducted during 1992-93 to 2015-16. Binary logistic regression was conducted in the pooled data of contraceptive users of four rounds of the survey to examine the adjusted contribution of various contraceptive methods over time. Also analysed the determinants of contraceptive use in 1992-93 and 2015-16. The pooled data of 1992-93 and 2015-16 was used to explore the change in users through creating interaction between time and predictors. STATA (V 13) was used for analyses and result was reported at 5 percent level of significance. RESULTS Female sterilization continued to dominate the contraceptive method mix, use of pills and condoms had considerably increased, and traditional method use had remained almost unchanged during 1992-93 to 2015-16. Age, education, surviving son, religion, social group, household size, region, and economic condition of the woman remained as significant determinants of contraceptive use during the study period. CONCLUSION Contraceptive use, method mix, the profile of the users, and determinants of contraceptive use has changed significantly during 1992-93 to 2015-16 in India. Increased use of modern spacing methods albeit continuous dominance of female sterilization in method mix suggests relooking at the family planning implementation strategy.
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Affiliation(s)
- Manas Ranjan Pradhan
- Department of Fertility Studies, International Institute for Population Sciences, Mumbai, India.
| | - Laxmi Kant Dwivedi
- Department of Mathematical Demography & Statistics, International Institute for Population Sciences, Mumbai, India
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Lanjewar DN, Ramraje SN, Lanjewar SD. Pathology of thyroid in acquired immunodeficiency syndrome. INDIAN J PATHOL MICR 2017; 59:279-83. [PMID: 27510660 DOI: 10.4103/0377-4929.188143] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND The course of human immunodeficiency virus infection and the acquired immunodeficiency syndrome can be complicated by a variety of endocrine abnormalities, including abnormalities of thyroid gland. MATERIALS AND METHODS This study was designed to understand the spectrum of pathology of thyroid in Indian patients with AIDS. The present study describes the findings of retrospective autopsy findings of 158 patients with AIDS which revealed infectious diseases from a time period before the use of highly active antiretroviral regimen. RESULTS A wide range of bacterial, fungal, and viral infections were observed. Tuberculosis was recorded in 14 (09%) patients, Cryptococcus neoformans in 11 (7%) patients and cytomegalovirus in 3 (2%) patients. Hashimoto's thyroiditis and lymphocytic thyroiditis were seen in 02 (01%) patients each. One patient had dual infection comprising of tuberculosis and cytomegalovirus infection. The other microscopic findings observed were goiter (2 patients), interstitial fibrosis in thyroid (7 patients), and calcification in thyroid (8 patients). CONCLUSIONS Abnormalities of thyroid are uncommon findings in patients with HIV infection however several case reports of thyroid involvement by infectious agents and neoplasm are described in these patients; hence patients with HIV infection should be closely followed up for development of goiter or abnormalities of thyroid functions.
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Affiliation(s)
- Dhaneshwar Namdeorao Lanjewar
- Department of Pathology, Grant Government Medical College and Sir J. J. Hospital, Byculla, Mumbai, Maharashtra, India
| | - Sushma Nagsen Ramraje
- Department of Pathology, Grant Government Medical College and Sir J. J. Hospital, Byculla, Mumbai, Maharashtra, India
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Bhatnagar T, Dutta T, Stover J, Godbole S, Sahu D, Boopathi K, Bembalkar S, Singh KJ, Goyal R, Pandey A, Mehendale SM. Fitting HIV Prevalence 1981 Onwards for Three Indian States Using the Goals Model and the Estimation and Projection Package. PLoS One 2016; 11:e0164001. [PMID: 27711212 PMCID: PMC5053468 DOI: 10.1371/journal.pone.0164001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Accepted: 09/19/2016] [Indexed: 11/26/2022] Open
Abstract
Models are designed to provide evidence for strategic program planning by examining the impact of different interventions on projected HIV incidence. We employed the Goals Model to fit the HIV epidemic curves in Andhra Pradesh, Maharashtra and Tamil Nadu states of India where HIV epidemic is considered to have matured and in a declining phase. Input data in the Goals Model consisted of demographic, epidemiological, transmission-related and risk group wise behavioral parameters. The HIV prevalence curves generated in the Goals Model for each risk group in the three states were compared with the epidemic curves generated by the Estimation and Projection Package (EPP) that the national program is routinely using. In all the three states, the HIV prevalence trends for high-risk populations simulated by the Goals Model matched well with those derived using state-level HIV surveillance data in the EPP. However, trends for the low- and medium-risk populations differed between the two models. This highlights the need to generate more representative and robust data in these sub-populations and consider some structural changes in the modeling equation and parameters in the Goals Model to effectively use it to assess the impact of future strategies of HIV control in various sub-populations in India at the sub-national level.
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Affiliation(s)
- Tarun Bhatnagar
- National Institute of Epidemiology, Indian Council of Medical Research, Chennai, Tamil Nadu, India
| | - Tapati Dutta
- International AIDS Vaccine Initiative, New Delhi, India
| | - John Stover
- Avenir Health, Glastonbury, Connecticut, United States of America
| | - Sheela Godbole
- Department of Epidemiology, National AIDS Research Institute, Indian Council of Medical Research, Pune, Maharashtra, India
| | - Damodar Sahu
- National Institute of Medical Statistics, Indian Council of Medical Research, New Delhi, India
| | - Kangusamy Boopathi
- National Institute of Epidemiology, Indian Council of Medical Research, Chennai, Tamil Nadu, India
| | - Shilpa Bembalkar
- Department of Epidemiology, National AIDS Research Institute, Indian Council of Medical Research, Pune, Maharashtra, India
| | - Kh. Jitenkumar Singh
- National Institute of Medical Statistics, Indian Council of Medical Research, New Delhi, India
| | - Rajat Goyal
- International AIDS Vaccine Initiative, New Delhi, India
| | - Arvind Pandey
- National Institute of Medical Statistics, Indian Council of Medical Research, New Delhi, India
| | - Sanjay M. Mehendale
- National Institute of Epidemiology, Indian Council of Medical Research, Chennai, Tamil Nadu, India
- * E-mail: ,
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Bardeskar NS, Mania-Pramanik J. HIV and host immunogenetics: unraveling the role of HLA-C. HLA 2016; 88:221-231. [PMID: 27620973 DOI: 10.1111/tan.12882] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 08/19/2016] [Indexed: 01/09/2023]
Abstract
Host genetic factors play a major role in determining the outcome of many infections including human immunodeficiency virus (HIV). Multiple host factors have been studied till date showing their varied role in susceptibility or resistance to HIV infection. HLA-C, however, has been recently started gaining interest in researchers mind revealing its polymorphisms to have an important effect on viral load set-points, disease progression as well as transmission. In this review report, we have compiled these significant findings of HLA-C in HIV infection, in an attempt to highlight the need for further research in the area in different ethnic population to establish its role in the infection.
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Affiliation(s)
- N S Bardeskar
- Infectious Diseases Biology Department, National Institute for Research in Reproductive Health, Mumbai, 400012, India
| | - J Mania-Pramanik
- Infectious Diseases Biology Department, National Institute for Research in Reproductive Health, Mumbai, 400012, India.
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Patel SN, Hennink MM, Hynes ME, Yount KM, Kosambiya JK, Wingood GM, Sutton-Brown-Fox C, McCarty F, Windle M. Pathways That Affect Wives' HIV Risk Among Serodiscordant Couples in India: Results From the Positive Jeevan Saathi Study. QUALITATIVE HEALTH RESEARCH 2016; 26:1531-1542. [PMID: 26848084 DOI: 10.1177/1049732315626694] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
This study examined factors that mitigate or heighten HIV risk among HIV-negative wives in serodiscordant relationships in Gujarat, India. Grounded theory was used to analyze 46 interviews (23 couples) where husbands were HIV-positive and wives were HIV-negative. A conceptual framework emerged from analysis from which we identified five pathways and four key behaviors: (a) safer sex, (b) no sex, (c) coercive sex, and (d) unprotected sex. Most couples either practiced safe sex or abstained from sex. Factors such as wives' assertiveness, a wife's fear of acquiring HIV, mutual understanding, positive sex communication, and a husband's desire to protect wife influenced safe sex/sexual abstinence. Factors such as desire for children, a husband's alcohol use, and intimate partner violence influenced coercive and unprotected sex. Counseling topics on sex communication, verbal and non-verbal safer sex strategies, as well as addressing intimate partner violence and alcohol use may be important in preventing risk to HIV-negative wives.
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Javalkar P, Prakash R, Isac S, Washington R, Halli SS. An Estimation of Mortality Risks among People Living with HIV in Karnataka State, India: Learnings from an Intensive HIV/AIDS Care and Support Programme. PLoS One 2016; 11:e0156611. [PMID: 27253974 PMCID: PMC4890789 DOI: 10.1371/journal.pone.0156611] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Accepted: 05/17/2016] [Indexed: 12/30/2022] Open
Abstract
Background In Indian context, limited attempts have been made to estimate the mortality risks among people living with HIV (PLHIV). We estimated the rates of mortality among PLHIV covered under an integrated HIV-prevention cum care and support programme implemented in Karnataka state, India, and attempted to identify the key programme components associated with the higher likelihood of their survival. Methods Retrospective programme data of 55,801 PLHIV registered with the Samastha programme implemented in Karnataka state during 2006–11 was used. Kaplan-Meier survival methods were used to estimate the ten years expected survival probabilities and Cox-proportional hazard model was used to examine the factors associated with risk of mortality among PLHIV. We also calculated mortality rates (per 1000 person-year) across selected demographic and clinical parameters. Results Of the total PLHIV registered with the programme, about nine percent died within the 5-years of programme period with an overall death rate of 38 per 1000 person-years. The mortality rate was higher among males, aged 18 and above, among illiterates, and those residing in rural areas. While the presence of co-infections such as Tuberculosis leads to higher mortality rate, adherence to ART was significantly associated with reduction in overall death rate. Cox proportional hazard model revealed that increase in CD4 cell counts and exposure to intensive care and support programme for at least two years can bring significant reduction in risk of death among PLHIV [(hazard ratio: 0.234; CI: 0.211–0.260) & (hazard ratio: 0.062; CI: 0.054–0.071), respectively] even after adjusting the effect of other socio-demographic, economic and health related confounders. Conclusion Study confirms that while residing in rural areas and presence of co-infection significantly increases the mortality risk among PLHIV, adherence to ART and improvement in CD4 counts led to significant reduction in their mortality risk. Longer exposure to the intervention contributed significantly to reduce mortality among PLHIV.
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Affiliation(s)
| | - Ravi Prakash
- Karnataka Health Promotion Trust, Bangalore, India
| | - Shajy Isac
- Karnataka Health Promotion Trust, Bangalore, India
- University of Manitoba, Winnipeg, Canada
| | - Reynold Washington
- Karnataka Health Promotion Trust, Bangalore, India
- University of Manitoba, Winnipeg, Canada
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Shaw SY, Lorway R, Bhattacharjee P, Reza-Paul S, du Plessis E, McKinnon L, Thompson LH, Isac S, Ramesh BM, Washington R, Moses S, Blanchard JF. Descriptive Epidemiology of Factors Associated with HIV Infections Among Men and Transgender Women Who Have Sex with Men in South India. LGBT Health 2016; 3:292-9. [PMID: 27058882 PMCID: PMC4976224 DOI: 10.1089/lgbt.2015.0023] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Purpose: Men and transgender women who have sex with men (MTWSM) continue to be an at-risk population for human immunodeficiency virus (HIV) infection in India. Identification of risk factors and determinants of HIV infection is urgently needed to inform prevention and intervention programming. Methods: Data were collected from cross-sectional biological and behavioral surveys from four districts in Karnataka, India. Multivariable logistic regression models were constructed to examine factors related to HIV infection. Sociodemographic, sexual history, sex work history, condom practices, and substance use covariates were included in regression models. Results: A total of 456 participants were included; HIV prevalence was 12.4%, with the highest prevalence (26%) among MTWSM from Bellary District. In bivariate analyses, district (P = 0.002), lack of a current regular female partner (P = 0.022), and reported consumption of an alcoholic drink in the last month (P = 0.004) were associated with HIV infection. In multivariable models, only alcohol use remained statistically significant (adjusted odds ratios: 2.6, 95% confidence intervals: 1.2–5.8; P = 0.02). Conclusion: The prevalence of HIV continues to be high among MTWSM, with the highest prevalence found in Bellary district.
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Affiliation(s)
- Souradet Y Shaw
- 1 Department of Community Health Sciences, Centre for Global Public Health, University of Manitoba , Winnipeg, Manitoba, Canada
| | - Robert Lorway
- 1 Department of Community Health Sciences, Centre for Global Public Health, University of Manitoba , Winnipeg, Manitoba, Canada
| | | | - Sushena Reza-Paul
- 1 Department of Community Health Sciences, Centre for Global Public Health, University of Manitoba , Winnipeg, Manitoba, Canada
| | - Elsabé du Plessis
- 1 Department of Community Health Sciences, Centre for Global Public Health, University of Manitoba , Winnipeg, Manitoba, Canada
| | - Lyle McKinnon
- 3 Department of Medicine, University of Toronto , Toronto, Ontario, Canada .,4 Department of Medical Microbiology, University of Nairobi , Nairobi, Kenya
| | - Laura H Thompson
- 1 Department of Community Health Sciences, Centre for Global Public Health, University of Manitoba , Winnipeg, Manitoba, Canada
| | - Shajy Isac
- 2 Karnataka Health Promotion Trust , Bangalore, India
| | | | - Reynold Washington
- 2 Karnataka Health Promotion Trust , Bangalore, India .,5 St. John's Research Institute , Bangalore, India
| | - Stephen Moses
- 1 Department of Community Health Sciences, Centre for Global Public Health, University of Manitoba , Winnipeg, Manitoba, Canada .,6 Department of Medical Microbiology, University of Manitoba , Winnipeg, Manitoba, Canada
| | - James F Blanchard
- 1 Department of Community Health Sciences, Centre for Global Public Health, University of Manitoba , Winnipeg, Manitoba, Canada
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Intestinal Parasite Profile in the Stool of HIV Positive Patients in relation to Immune Status and Comparison of Various Diagnostic Techniques with Special Reference to Cryptosporidium at a Tertiary Care Hospital in South India. Adv Med 2016; 2016:3564359. [PMID: 27493988 PMCID: PMC4967466 DOI: 10.1155/2016/3564359] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Accepted: 06/21/2016] [Indexed: 11/21/2022] Open
Abstract
Acquired immunodeficiency syndrome and related opportunistic infections are a significant cause of morbidity and mortality in susceptible population. This study aims to negate the paucity of data regarding the relation between CD4 levels, prevalence of enteric parasites, and the outcome of treatment with HAART (highly active antiretroviral therapy) and Cotrimoxazole in Kerala, India. Multiple stool samples from 200 patients in a cross-sectional study were subjected to microscopy and Cryptosporidium stool antigen ELISA. Parasites were identified in 18 samples (9%). Cystoisospora and Cryptosporidium spp. were seen in 9 cases (4.5%) and 5 cases (2.5%), respectively. Microsporidium spores and Chilomastix mesnili cysts were identified in 1 case each (0.5% each). Seven cases of Cystoisospora diarrhoea recovered after treatment with Cotrimoxazole. Diarrhoea due to Cryptosporidium spp. in all 5 cases subsided after immune reconstitution with HAART. This study concludes that a positive association was seen between low CD4 count (<200 cells/μL) and overall parasite positivity (P value < 0.01). ELISA is a more sensitive modality for the diagnosis of Cryptosporidium diarrhoea. Chilomastix mesnili, generally considered a nonpathogen, may be a cause of diarrhoeal disease in AIDS. Immune reconstitution and Cotrimoxazole prophylaxis remain to be the best therapeutic approach in AIDS-related diarrhoea.
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The HIV Treatment Gap: Estimates of the Financial Resources Needed versus Available for Scale-Up of Antiretroviral Therapy in 97 Countries from 2015 to 2020. PLoS Med 2015; 12:e1001907; discussion e1001907. [PMID: 26599990 PMCID: PMC4658189 DOI: 10.1371/journal.pmed.1001907] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Accepted: 10/16/2015] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND The World Health Organization (WHO) released revised guidelines in 2015 recommending that all people living with HIV, regardless of CD4 count, initiate antiretroviral therapy (ART) upon diagnosis. However, few studies have projected the global resources needed for rapid scale-up of ART. Under the Health Policy Project, we conducted modeling analyses for 97 countries to estimate eligibility for and numbers on ART from 2015 to 2020, along with the facility-level financial resources required. We compared the estimated financial requirements to estimated funding available. METHODS AND FINDINGS Current coverage levels and future need for treatment were based on country-specific epidemiological and demographic data. Simulated annual numbers of individuals on treatment were derived from three scenarios: (1) continuation of countries' current policies of eligibility for ART, (2) universal adoption of aspects of the WHO 2013 eligibility guidelines, and (3) expanded eligibility as per the WHO 2015 guidelines and meeting the Joint United Nations Programme on HIV/AIDS "90-90-90" ART targets. We modeled uncertainty in the annual resource requirements for antiretroviral drugs, laboratory tests, and facility-level personnel and overhead. We estimate that 25.7 (95% CI 25.5, 26.0) million adults and 1.57 (95% CI 1.55, 1.60) million children could receive ART by 2020 if countries maintain current eligibility plans and increase coverage based on historical rates, which may be ambitious. If countries uniformly adopt aspects of the WHO 2013 guidelines, 26.5 (95% CI 26.0 27.0) million adults and 1.53 (95% CI 1.52, 1.55) million children could be on ART by 2020. Under the 90-90-90 scenario, 30.4 (95% CI 30.1, 30.7) million adults and 1.68 (95% CI 1.63, 1.73) million children could receive treatment by 2020. The facility-level financial resources needed for scaling up ART in these countries from 2015 to 2020 are estimated to be US$45.8 (95% CI 45.4, 46.2) billion under the current scenario, US$48.7 (95% CI 47.8, 49.6) billion under the WHO 2013 scenario, and US$52.5 (95% CI 51.4, 53.6) billion under the 90-90-90 scenario. After projecting recent external and domestic funding trends, the estimated 6-y financing gap ranges from US$19.8 billion to US$25.0 billion, depending on the costing scenario and the U.S. President's Emergency Plan for AIDS Relief contribution level, with the gap for ART commodities alone ranging from US$14.0 to US$16.8 billion. The study is limited by excluding above-facility and other costs essential to ART service delivery and by the availability and quality of country- and region-specific data. CONCLUSIONS The projected number of people receiving ART across three scenarios suggests that countries are unlikely to meet the 90-90-90 treatment target (81% of people living with HIV on ART by 2020) unless they adopt a test-and-offer approach and increase ART coverage. Our results suggest that future resource needs for ART scale-up are smaller than stated elsewhere but still significantly threaten the sustainability of the global HIV response without additional resource mobilization from domestic or innovative financing sources or efficiency gains. As the world moves towards adopting the WHO 2015 guidelines, advances in technology, including the introduction of lower-cost, highly effective antiretroviral regimens, whose value are assessed here, may prove to be "game changers" that allow more people to be on ART with the resources available.
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Raj Y, Sahu D, Pandey A, Venkatesh S, Reddy D, Bakkali T, Das C, Singh KJ, Kant S, Bhattacharya M, Stover J, Jha UM, Kumar P, Mishra RM, Chandra N, Gulati BK, Mathur S, Joshi D, Chavan L. Modelling and estimation of HIV prevalence and number of people living with HIV in India, 2010-2011. Int J STD AIDS 2015; 27:1257-1266. [PMID: 26494704 DOI: 10.1177/0956462415612650] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Accepted: 09/28/2015] [Indexed: 11/17/2022]
Abstract
This paper provides HIV estimation methodology used in India and key HIV estimates for 2010-2011. We used a modified version of the Spectrum tool that included an Estimation and Projection Package as part of its AIDS Impact Module. Inputs related to population size, age-specific pattern of fertility, gender-ratio at birth, age and gender-specific pattern of mortality, and volume and age-gender distribution of net migration were derived from census records, the Sample Registration System and large-scale demographic health surveys. Epidemiological and programmatic data were derived from HIV sentinel surveillance, large-scale epidemiological surveys and the programme management information system. Estimated adult HIV prevalence retained a declining trend in India, following its peak in 2002 at a level of 0.41% (within bounds 0.35-0.47%). By 2010 and 2011, it levelled at estimates of 0.28% (0.24-0.34%) and 0.27% (0.22-0.33%), respectively. The estimated number of people living with HIV (PLHIV) reduced by 8% between 2007 and 2011. While children accounted for approximately 6.3% of total HIV infections in 2007, this proportion increased to about 7% in 2011. With changing priorities and epidemic patterns, the programme has to customise its strategies to effectively address the emerging vulnerabilities and adapt them to suit the requirements of different geographical regions.
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Affiliation(s)
- Yujwal Raj
- National AIDS Control Organization, New Delhi, India
| | - Damodar Sahu
- National Institute of Medical Statistics, Indian Council of Medical Research, New Delhi, India
| | - Arvind Pandey
- National Institute of Medical Statistics, Indian Council of Medical Research, New Delhi, India
| | - S Venkatesh
- National AIDS Control Organization, New Delhi, India
| | - Dcs Reddy
- Department of Community Medicine, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India (Ex-Professor)
| | | | - Chinmoyee Das
- National AIDS Control Organization, New Delhi, India
| | - Kh Jitenkumar Singh
- National Institute of Medical Statistics, Indian Council of Medical Research, New Delhi, India
| | - Shashi Kant
- Department of Community Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - M Bhattacharya
- Department of Community Health Administration, National Institute of Health & Family Welfare, New Delhi, India
| | | | | | - Pradeep Kumar
- National AIDS Control Organization, New Delhi, India
| | | | | | - B K Gulati
- National Institute of Medical Statistics, Indian Council of Medical Research, New Delhi, India
| | - Sharad Mathur
- National Institute of Medical Statistics, Indian Council of Medical Research, New Delhi, India
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FACTORS ASSOCIATED WITH THE LIKELIHOOD OF FURTHER MOVEMENT AMONG MOBILE FEMALE SEX WORKERS IN INDIA: A MULTINOMIAL LOGIT APPROACH. J Biosoc Sci 2015; 48:539-56. [PMID: 26257210 PMCID: PMC4890344 DOI: 10.1017/s0021932015000267] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Female sex workers (FSWs) are vulnerable to HIV infection. Their socioeconomic and behavioural vulnerabilities are crucial push factors for movement for sex work. This paper assesses the factors associated with the likelihood of movement of sex workers from their current place of work. Data were derived from a cross-sectional survey conducted among 5498 mobile FSWs in 22 districts of high in-migration across four states in southern India. A multinomial logit model was constructed to predict the likelihood of FSWs moving from their current place of work. Ten per cent of the sampled mobile FSWs were planning to move from their current place of sex work. Educational attainment, marital status, income at current place of work, debt, sexual coercion, experience of violence and having tested for HIV and collected the results were found to be significant predictors of the likelihood of movement from the current place of work. Consistent condom use with different clients was significantly low among those planning to move. Likewise, the likelihood of movement was significantly higher among those who had any STI symptom in the last six months and those who had a high self-perceived risk of HIV. The findings highlight the need to address factors associated with movement among mobile FSWs as part of HIV prevention and access to care interventions.
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Al-Mendalawi M. Etiology and clinical profile of childhood optic nerve atrophy at a tertiary eye care center in South India. Indian J Ophthalmol 2015; 63:359-60. [PMID: 26044485 PMCID: PMC4463570 DOI: 10.4103/0301-4738.158102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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Ophthalmic Manifestations of HIV Patients in a Rural Area of Western Maharashtra, India. INTERNATIONAL SCHOLARLY RESEARCH NOTICES 2014; 2014:347638. [PMID: 27355047 PMCID: PMC4897481 DOI: 10.1155/2014/347638] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Revised: 10/01/2014] [Accepted: 10/21/2014] [Indexed: 11/18/2022]
Abstract
Introduction. HIV/AIDS is one of twenty first century's biggest global challenges to mankind with protean manifestations affecting all organs of our body, not even sparing the eyes. The purpose of this study was to determine the pattern of ocular manifestations of HIV/AIDS and their correlation with CD4-count in a rural area of India. Methods. A hospital based observational cross-sectional study was done on 40 HIV-positive patients presenting to ART center with ocular complaints. Data were collected using face-to-face interview, clinical examination, slit lamp examination, fundus examination, and laboratory investigations. Results. Out of 40 patients, 21 were males and 19 were females with mean age of 38.75 ± 13.9 years. HIV retinopathy was the most common HIV-associated ophthalmic lesion while anterior uveitis was the most common anterior segment finding. Posterior segment lesions showed significant association (P < 0.05) with low CD4-count of the patient. CMV retinitis, retinal detachment, tubercular chorioretinitis, and acute retinal necrosis were all seen in patients with CD4-count less than 100 cells/mm3. Conclusions. HIV retinopathy, CMV retinitis, herpes zoster ophthalmicus, and anterior uveitis are common ocular manifestations associated with HIV infection. Low CD4-count is a risk as well as predictor for ocular manifestations. There needs to be awareness of ocular involvement among HIV infected individuals and an increased emphasis on regular ophthalmic examination.
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Uddin MJ, Sarma H, Wahed T, Ali MW, Koehlmoos TP, Nahar Q, Azim T. Vulnerability of Bangladeshi street-children to HIV/AIDS: a qualitative study. BMC Public Health 2014; 14:1151. [PMID: 25373415 PMCID: PMC4232676 DOI: 10.1186/1471-2458-14-1151] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2014] [Accepted: 10/17/2014] [Indexed: 11/21/2022] Open
Abstract
Background Children living on the streets are an underprivileged population of Bangladesh and are likely to be more vulnerable to STIs/HIV for their day-to-day risky behaviours and lifestyles. This study assessed the vulnerability of Bangladeshi street-children to HIV/AIDS using qualitative participatory methods. Methods This ethnographic participatory, qualitative study was conducted during February 2010– December 2011 among children aged 5–12 years, who live and/or work on the streets in Dhaka, the capital city of Bangladesh. Data were collected in three phases: (a) social mapping (n = 493), (b) participatory group discussions (n = 119), and (c) individual interviews (n = 36). Results Results showed that street-children were engaged in behaviour that entails risk of exposure to HIV/AIDS. They possessed poor knowledge of the transmission of disease and of the benefits of using condoms; most of them reported never using a condom. The experience of selling sex for money and a variety of sexual activities, like anal, vaginal and oral sex, were commonly reported. The children also reported that they were regular users of one or more types of drugs, including those taken by injection. Conclusions The deplorable living conditions of street children, with no obvious rights or way out, make them highly vulnerable to HIV/AIDS. Urgent attention of the policy- makers to implement services addressing issues relating to social conditions, sexual health, and drug-use is warranted to prevent the possible epidemic of HIV/AIDS among this group of population. Electronic supplementary material The online version of this article (doi:10.1186/1471-2458-14-1151) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Md Jasim Uddin
- Centre for Equity and Health Systems, icddr,b, Mohakhali, Dhaka 1212, Bangladesh.
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Atwal SS, Puranik S, Madhav RKV, Ksv A, Sharma BB, Garga UC. High Resolution Computed Tomography Lung Spectrum in Symptomatic Adult HIV-Positive Patients in South-East Asian Nation. J Clin Diagn Res 2014; 8:RC12-6. [PMID: 25121043 DOI: 10.7860/jcdr/2014/9397.4518] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Accepted: 05/20/2014] [Indexed: 11/24/2022]
Abstract
BACKGROUND Pulmonary infections remain a leading cause of morbidity and mortality and one of the most frequent causes of hospital admission in HIV infected people worldwide. HRCT may be useful in the evaluation of patients with suspected pulmonary disease. The aim of given study was to determine the High Resolution Computed Tomography spectrum of lung parenchymal and interstitial imaging findings in HIV infected patients presented with chest symptoms. MATERIALS AND METHODS This study was conducted in a tertiary health care centre, New Delhi, India. The study consisted of 45 patients. A thorough clinical history of all the HIV positive patients presenting with suspicion of pulmonary disease was taken. General physical and respiratory system examination of all patients was done. HRCT scans of the chest were done in all the cases taken in the study. RESULTS Maximum number of patients was in age group 31-40 years (24 cases). Out of 45 patients included in our study, 32 (71%) were male and 13 (29%) were female. In our series of 45 patients, 62.2% of patients were diagnosed as having pulmonary tuberculosis, followed by bacterial infection in 20% cases and Pneumocystis jiroveci pneumonia (PJP) in 8.9% patients, while 8.9% of the study did not reveal any significant abnormality. Maximum number (22/28) of patients with pulmonary tuberculosis were indentified to have nodular opacities. The most common HRCT finding in bacterial infection was lobar consolidation. The most common HRCT finding in patients with PCP was diffuse ground glass opacities in mosaic pattern of distribution. CONCLUSION HRCT is a highly sensitive tool for detecting lung parenchymal and interstitial lesions and allows better characterization of the lesions. HRCT findings should always be correlated with clinical findings, CD4 counts and other available investigations before arriving at a diagnosis or differential diagnosis.
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Affiliation(s)
- Swapndeep Singh Atwal
- Senior Resident, Department of Radiology, PGIMER and Dr. Ram Manohar Lohia Hospital , New Delhi, India
| | - Swapnil Puranik
- Post Graduate, Department of Radiology, Government Medical College , Kota (Rajasthan), India
| | | | - Abhinetri Ksv
- Post Graduate, Department of Radiology, PGIMER and Dr. Ram Manohar Lohia Hospital , New Delhi, India
| | - B B Sharma
- Associate Professor, Department of Radiology, PGIMER and Dr. Ram Manohar Lohia Hospital , New Delhi, India
| | - Umesh Chand Garga
- Professor and Head of Department, Department of Radiology, PGIMER and Dr. Ram Manohar Lohia Hospital , New Delhi, India
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Burza S, Mahajan R, Sinha PK, van Griensven J, Pandey K, Lima MA, Sanz MG, Sunyoto T, Kumar S, Mitra G, Kumar R, Verma N, Das P. Visceral leishmaniasis and HIV co-infection in Bihar, India: long-term effectiveness and treatment outcomes with liposomal amphotericin B (AmBisome). PLoS Negl Trop Dis 2014; 8:e3053. [PMID: 25101665 PMCID: PMC4125300 DOI: 10.1371/journal.pntd.0003053] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2014] [Accepted: 06/15/2014] [Indexed: 11/19/2022] Open
Abstract
Background Visceral Leishmaniasis (VL; also known as kala-azar) is an ultimately fatal disease endemic in the Indian state of Bihar, while HIV/AIDS is an emerging disease in this region. A 2011 observational cohort study conducted in Bihar involving 55 VL/HIV co-infected patients treated with 20–25 mg/kg intravenous liposomal amphotericin B (AmBisome) estimated an 85.5% probability of survival and a 26.5% probability of VL relapse within 2 years. Here we report the long-term field outcomes of a larger cohort of co-infected patients treated with this regimen between 2007 and 2012. Methods and Principal Findings Intravenous AmBisome (20–25 mg/kg) was administered to 159 VL/HIV co-infected patients (both primary infections and relapses) in four or five doses of 5 mg/kg over 4–10 days. Initial cure of VL at discharge was defined as improved symptoms, cessation of fever, improvement of appetite and recession of spleen enlargement. Test of cure was not routinely performed. Antiretroviral treatment (ART) was initiated in 23 (14.5%), 39 (24.5%) and 61 (38.4%) before, during and after admission respectively. Initial cure was achieved in all discharged patients. A total of 36 patients died during follow-up, including six who died shortly after admission. Death occurred at a median of 11 weeks (IQR 4–51) after starting VL treatment. Estimated mortality risk was 14.3% at six months, 22.4% at two years and 29.7% at four years after treatment. Among the 153 patients discharged from the hospital, 26 cases of VL relapse were diagnosed during follow-up, occurring at a median of 10 months (IQR 7–14) after discharge. After accounting for competing risks, the estimated risk of relapse was 16.1% at one year, 20.4% at two years and 25.9% at four years. Low hemoglobin level and concurrent infection with tuberculosis were independent risk factors for mortality, while ART initiated shortly after admission for VL treatment was associated with a 64–66% reduced risk of mortality and 75% reduced risk of relapse. Significance This is the largest cohort of HIV-VL co-infected patients reported from the Indian subcontinent. Even after initial cure following treatment with AmBisome, these patients appear to have much higher rates of VL relapse and mortality than patients not known to be HIV-positive, although relapse rates appear to stabilize after 2 years. These results extend the earlier findings that co-infected patients are at increased risk of death and require a multidisciplinary approach for long-term management. Fifty percent of all visceral leishmaniasis (VL) cases globally occur in India, where up to 90% of cases occur in the state of Bihar. There are also an estimated 300,000 people in Bihar living with HIV/AIDS. Patients with HIV who are treated for VL typically have much worse outcomes than VL patients who are HIV-negative, yet there exists very little evidence suggesting more effective treatments for this group. Between 2007–2012, with support of the Rajendra Memorial Research Institute (RMRI), Médecins Sans Frontières (MSF) treated 8,749 VL patients in Bihar using liposomal amphotericin-B (AmBisome). Here we describe the characteristics and long-term outcomes of a subgroup of 159 HIV-VL co-infected patients treated within this program over the 5-year period. Their estimated mortality risk was 14.3% at six months after treatment, 22.4% at two years and 29.7% at four years. Estimated risk of relapse was 16.1% at one year, 20.4% at two years and 25.9% at four years. We conclude that treatment of HIV-VL co-infected patients with 20–25 mg/kg of liposomal amphotericin-B is well tolerated and relatively effective. However, HIV-VL co-infection is a complex chronic disease with high early mortality and much worse outcomes than VL alone, and requires a multidisciplinary long-term management strategy.
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Affiliation(s)
- Sakib Burza
- Médecins Sans Frontières, New Delhi, India
- Institute of Tropical Medicine, Antwerp, Belgium
- * E-mail:
| | | | - Prabhat K. Sinha
- Rajendra Memorial Research Institute of Medical Sciences, Patna, Bihar, India
| | | | | | | | | | | | - Sunil Kumar
- Sri Krishna Medical College and Hospital, Muzaffarpur, Bihar, India
| | | | | | - Neena Verma
- Institute of Tropical Medicine, Antwerp, Belgium
| | - Pradeep Das
- Institute of Tropical Medicine, Antwerp, Belgium
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Joshi B, Chauhan S, Pasi A, Kulkarni R, Sunil N, Bachani D, Mankeshwar R. Level of suboptimal adherence to first line antiretroviral treatment & its determinants among HIV positive people in India. Indian J Med Res 2014; 140:84-95. [PMID: 25222782 PMCID: PMC4181166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
BACKGROUND & OBJECTIVES National Anti-retroviral treatment (ART) programme in India was launched in 2004. Since then, there has been no published country representative estimate of suboptimal adherence among people living with HIV (PLHIV) on first line ART in public settings. Hence a multicentric study was undertaken in 15 States of India to assess the level of suboptimal adherence and its determinants among PLHIV. METHODS Using a prospective observational study design, 3285 PLHIV were enrolled and followed up to six months across 30 ART centres in India. Adherence was assessed using pill count and self-reported recall method and determinants of suboptimal adherence were explored based on the responses to various issues as perceived by them. RESULTS Suboptimal adherence was found in 24.5 per cent PLHIV. Determinants of suboptimal adherence were illiteracy (OR--1.341, CI--1.080-1.665), on ART for less than 6 months (OR--1.540, CI--1.280-1.853), male gender (OR for females--0.807, CI--0.662-0.982), tribals (OR--2.246, CI--1.134-4.447), on efavirenz (EFA) regimen (OR--1.479, CI--1.190-1.837), presence of anxiety (OR--1.375, CI--1.117-1.692), non-disclosure of HIV status to family (OR--1.549, CI--1.176-2.039), not motivated for treatment (OR--1.389, CI--1.093-1.756), neglect from friends (OR--1.368, CI--1.069-1.751), frequent change of residence (OR--3.373, CI--2.659-4.278), travel expenses (OR--1.364, CI--1.138-1.649), not meeting the PLHIV volunteer/community care coordinator at the ART center (OR--1.639, CI--1.330-2.019). INTERPRETATION & CONCLUSIONS To enhance identification of PLHIV vulnerable to suboptimal adherence, the existing checklist to identify the barriers to adherence in the National ART Guidelines needs to be updated based on the study findings. Quality of comprehensive adherence support services needs to be improved coupled with vigilant monitoring of adherence measurement.
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Affiliation(s)
- Beena Joshi
- National Institute for Research in Reproductive Health (ICMR), Mumbai, India,Reprint requests: Dr Beena Nitin Joshi, National Institute for Research in Reproductive Health (ICMR) J.M. Street, Parel, Mumbai 400 012, India e-mail:
| | - Sanjay Chauhan
- National Institute for Research in Reproductive Health (ICMR), Mumbai, India
| | - Achhelal Pasi
- National Institute for Research in Reproductive Health (ICMR), Mumbai, India
| | - Ragini Kulkarni
- National Institute for Research in Reproductive Health (ICMR), Mumbai, India
| | - Nithya Sunil
- National Institute for Research in Reproductive Health (ICMR), Mumbai, India
| | - Damodar Bachani
- Lady Hardinge Medical College & Smt. S.K. Hospital, New Delhi, India
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Kokku SB, Mahapatra B, Tucker S, Saggurti N, Prabhakar P. Effect of public-private partnership in treatment of sexually transmitted infections among female sex workers in Andhra Pradesh, India. Indian J Med Res 2014; 139:285-93. [PMID: 24718405 PMCID: PMC4001342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
BACKGROUND & OBJECTIVES Providing sexually transmitted infection (STI) services to female sex workers (FSWs) in rural and resource constrained settings is a challenge. This paper describes an approach to address this challenge through a partnership with government health facilities, and examines the effect of this partnership on the utilization of STI services by FSWs in Andhra Pradesh, India. METHODS Partnerships were formed with 46 government clinics located in rural areas for providing STI treatment to FSWs in 2007. Government health facilities were supported by local and State level non-government organizations (NGOs) through provision of medicines, training of medical staff, outreach in the communities, and other coordination activities. Data from programme monitoring and behaviour tracking survey were used to examine the accessibility and acceptability in utilization of STI services from partnership clinics. RESULTS The number of FSWs accessing services at the partnership clinics increased from 1627 in 2007 to over 15,000 in 2010. The average number of annual visits by FSWs to these clinics in 2010 was 3.4. In opinion surveys, the majority of FSWs accessing services at the partnership clinics expressed confidence that they would continue to receive effective services from the government facilities even if the programme terminates. The overall attitude of FSWs to visit government clinics was more positive among FSWs from partnership clinic areas compared to those from non-partnership clinic areas. INTERPRETATION & CONCLUSIONS The partnership mechanism between the NGO-supported HIV prevention programme and government clinic facilities appeared to be a promising opportunity to provide timely and accessible STI services for FSWs living in rural and remote areas.
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Affiliation(s)
| | | | | | | | - Parimi Prabhakar
- India HIV/AIDS Alliance, Hyderabad, India,Reprint requests: Dr Parimi Prabhakar, India HIV/AIDS Alliance, Sarovar Center, 5-9-22, Secretariat Road Hyderabad 500 063, India e-mail:
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Raj A, Saggurti N, Battala M, Nair S, Dasgupta A, Naik DD, Abramovitz D, Silverman JG, Balaiah D. Randomized controlled trial to test the RHANI Wives HIV intervention for women in India at risk for HIV from husbands. AIDS Behav 2013; 17:3066-80. [PMID: 23921584 DOI: 10.1007/s10461-013-0586-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
This study involved evaluation of the short-term impact of the RHANI Wives HIV intervention among wives at risk for HIV from husbands in Mumbai, India. A two-armed cluster RCT was conducted with 220 women surveyed on marital sex at baseline and 4-5 month follow-up. RHANI Wives was a multisession intervention focused on safer sex, marital communication, gender inequities and violence; control participants received basic HIV prevention education. Generalized linear mixed models were conducted to assess program impact, with cluster as a random effect and with time, treatment group, and the time by treatment interaction as fixed effects. A significant time by treatment effect on proportion of unprotected sex with husband (p = 0.01) was observed, and the rate of unprotected sex for intervention participants was lower than that of control participants at follow-up (RR = 0.83, 95 % CI = 0.75, 0.93). RHANI Wives is a promising model for women at risk for HIV from husbands.
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Suryawanshi D, Bhatnagar T, Deshpande S, Zhou W, Singh P, Collumbien M. Diversity among clients of female sex workers in India: comparing risk profiles and intervention impact by site of solicitation. implications for the vulnerability of less visible female sex workers. PLoS One 2013; 8:e73470. [PMID: 24023877 PMCID: PMC3759393 DOI: 10.1371/journal.pone.0073470] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Accepted: 07/22/2013] [Indexed: 12/05/2022] Open
Abstract
Background It seems generally accepted that targeted interventions in India have been successful in raising condom use between female sex workers (FSWs) and their clients. Data from clients of FSWs have been under-utilised to analyse the risk environments and vulnerability of both partners. Methods The 2009 Integrated Biological and Behavioural Assessment survey sampled clients of FSWs at hotspots in Andhra Pradesh, Maharashtra and Tamil Nadu (n=5040). The risk profile of clients in terms of sexual networking and condom use are compared across usual pick-up place. We used propensity score matching (PSM) to estimate the average treatment effect on treated (ATT) of intervention messages on clients’ consistent condom use with FSW. Results Clients of the more hidden sex workers who solicit from home or via phone or agents had more extensive sexual networks, reporting casual female partners as well as anal intercourse with male partners and FSW. Clients of brothel-based sex workers, who were the least educated, reported the fewest number/categories of partners, least anal sex, and lowest condom use (41%). Consistent condom use varied widely by state: 65% in Andhra Pradesh, 36% in Maharashtra and 29% in Tamil Nadu. Exposure to intervention messages on sexually transmitted infections was lowest among men frequenting brothels (58%), and highest among men soliciting less visible sex workers (70%). Exposure had significant impact on consistent condom use, including among clients of home-based sex workers (ATT 21%; p=0.001) and among men soliciting other more hidden FSW (ATT 17%; p=0.001). In Tamil Nadu no impact could be demonstrated. Conclusion Commercial sex happens between two partners and both need to be, and can be, reached by intervention messages. Commercial sex is still largely unprotected and as the sex industry gets more diffuse a greater focus on reaching clients of sex workers seems important given their extensive sexual networks.
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Affiliation(s)
| | | | | | - Weiwei Zhou
- London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Pankaj Singh
- Tata Institute of Social Sciences, Mumbai, India
| | - Martine Collumbien
- London School of Hygiene and Tropical Medicine, London, United Kingdom
- * E-mail:
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Arora P, Nagelkerke NJD, Moineddin R, Bhattacharya M, Jha P. Female sex work interventions and changes in HIV and syphilis infection risks from 2003 to 2008 in India: a repeated cross-sectional study. BMJ Open 2013; 3:bmjopen-2013-002724. [PMID: 23794571 PMCID: PMC3686231 DOI: 10.1136/bmjopen-2013-002724] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVES We examined if increased spending and coverage of female sex worker (FSW) interventions were associated with declines in HIV or syphilis risk among young pregnant women (as a proxy for new infections in the general population) in the high-burden southern states of India. DESIGN Repeated cross-sectional analysis. SETTING We used logistic regression to relate district-level spending, number of sexually transmitted infections (STIs) treated, FSWs reached or condoms distributed to the declines in the annual risk of HIV and syphilis from 2003 to 2008 among prenatal clinic attendees in the four high-HIV burden states of Andhra Pradesh, Karnataka, Maharashtra and Tamil Nadu. PARTICIPANTS 386 961 pregnant women aged 15-24 years (as a proxy for incident infections in the adult population). INTERVENTIONS We examined National AIDS Control Organisation (NACO) data on 868 FSW intervention projects implemented between 1995 and 2008. PRIMARY AND SECONDARY OUTCOME MEASURES HIV or syphilis infection. RESULTS HIV and syphilis prevalence declined substantially among young pregnant women. Each additional STI treated (per 1000 people) reduced the annual risk of HIV infection by -1.7% (95% CI -3.3 to -0.1) and reduced the annual risk of syphilis infection by -10.9% (95%CI -15.9 to -5.8). Spending, FSWs reached or condoms distributed did not reduce HIV risk, but each was significantly associated with reduced annual risk of syphilis infection. There were no major differences between the NACO-funded and Avahan-funded districts in the annual risk of either STI. CONCLUSIONS Targeted FSW interventions are associated with reductions in syphilis risk and STI treatment is associated with reduced HIV risk. Both more and less costly FSW interventions have comparable effectiveness.
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Affiliation(s)
- Paul Arora
- Division of Epidemiology, Centre for Global Health Research, Li Ka Shing Knowledge Institute, St Michael's Hospital, and Dalla Lana School of Public Health, University of Toronto, Toronto, Canada
| | - Nico J D Nagelkerke
- Department of Community Medicine, UAE University, Al Ain, United Arab Emirates
| | - Rahim Moineddin
- Department of Family and Community Medicine, Dalla Lana School of Public Health, University of Toronto, Toronto, Canada
| | - Madhulekha Bhattacharya
- Department of Community Health Administration, National Institute of Health and Family Welfare, New Delhi, India
| | - Prabhat Jha
- Division of Epidemiology, Centre for Global Health Research, Li Ka Shing Knowledge Institute, St Michael's Hospital, and Dalla Lana School of Public Health, University of Toronto, Toronto, Canada
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