4 results on '"Sambambi K"'
Search Results
2. Identifying Gaps in Prevention of Mother to Child Transmission of HIV: A Case Series of HIV-positive Infants in Zambia.
- Author
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Bonawitz R, Sambambi K, Vickery M, Hamomba L, Hammond E, Duncan J, Musokotwane K, Thea D, and Herlihy JM
- Subjects
- Anti-HIV Agents therapeutic use, Anti-Retroviral Agents therapeutic use, CD4 Lymphocyte Count, Child, Preschool, Early Diagnosis, Female, HIV Infections diagnosis, HIV Infections drug therapy, Humans, Infant, Mothers, Pregnancy, Pregnancy Complications, Infectious drug therapy, Pregnancy Complications, Infectious virology, Prenatal Care, Risk Factors, Standard of Care, Zambia, HIV Infections prevention & control, HIV Infections transmission, Infectious Disease Transmission, Vertical prevention & control, Pregnancy Complications, Infectious prevention & control
- Abstract
Background: To determine the timing of prevention of mother-to-child transmission cascade programmatic barriers to understand the service gaps in preparation for scale up of Option B+ in the Southern Province of Zambia., Methods: A database search of the National Dried Blood Spot Registry in Zambia for DNA polymerase chain reaction identified human immunodeficiency virus (HIV)-infected infants from 5 facilities in 2 districts in Southern Province, Zambia over a 6-month observation period (January 2013 to June 2013)., Results: Seventeen HIV-positive infants out of 459 infants tested were identified from 5 health facilities that provided antiretroviral therapy (ART) initiation within the antenatal care (ANC) clinic, for a transmission rate of 3.7%. Possible risk factors identified for mother to child transmission of HIV included late ANC presentation, home delivery, provision of maternal short course prophylaxis, maternal refusal to initiate treatment and loss to follow-up., Conclusions: As Zambia transitions to life-long combination ART initiation for HIV-positive pregnant women under Option B+, and subsequent ART integration into ANC facilities, it is crucial to understand prevention of mother-to-child transmission program gaps to achieve the goal of eliminating mother to child transmission of HIV in Zambia.
- Published
- 2016
- Full Text
- View/download PDF
3. Implementation and Operational Research: Integration of PMTCT and Antenatal Services Improves Combination Antiretroviral Therapy Uptake for HIV-Positive Pregnant Women in Southern Zambia: A Prototype for Option B+?
- Author
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Herlihy JM, Hamomba L, Bonawitz R, Goggin CE, Sambambi K, Mwale J, Musonda V, Musokatwane K, Hopkins KL, Semrau K, Hammond EE, Duncan J, Knapp AB, and Thea DM
- Subjects
- Adult, Cohort Studies, Controlled Before-After Studies, Female, Humans, Infant, Infant, Newborn, Male, Pregnancy, Prenatal Care methods, Retrospective Studies, Young Adult, Zambia, Anti-Retroviral Agents therapeutic use, HIV Infections drug therapy, HIV Infections transmission, Infectious Disease Transmission, Vertical prevention & control, Medication Adherence, Pregnancy Complications, Infectious drug therapy, Prenatal Care organization & administration
- Abstract
Background: Early initiation of combination antiretroviral therapy (cART) for HIV-positive pregnant women can decrease vertical transmission to less than 5%. Programmatic barriers to early cART include decentralized care, disease-stage assessment delays, and loss to follow-up., Intervention: Our intervention had 3 components: integrated HIV and antenatal services in 1 location with 1 provider, laboratory courier to expedite CD4 counts, and community-based follow-up of women-infant pairs to improve prevention of mother-to-child transmission attendance. Preintervention HIV-positive pregnant women were referred to HIV clinics for disease-stage assessment and cART initiation for advanced disease (CD4 count <350 cells/μL or WHO stage >2)., Methods: We used a quasi-experimental design with preintervention/postintervention evaluations at 6 government antenatal clinics (ANCs) in Southern Province, Zambia. Retrospective clinical data were collected from clinic registers during a 7-month baseline period. Postintervention data were collected from all antiretroviral therapy-naive, HIV-positive pregnant women and their infants presenting to ANC from December 2011 to June 2013., Results: Data from 510 baseline women-infant pairs were analyzed and 624 pregnant women were enrolled during the intervention period. The proportion of HIV-positive pregnant women receiving CD4 counts increased from 50.6% to 77.2% [relative risk (RR) = 1.81; 95% confidence interval (CI): 1.57 to 2.08; P < 0.01]. The proportion of cART-eligible pregnant women initiated on cART increased from 27.5% to 71.5% (RR = 2.25; 95% CI: 1.78 to 2.83; P < 0.01). The proportion of eligible HIV-exposed infants with documented 6-week HIV PCR test increased from 41.9% to 55.8% (RR = 1.33; 95% CI: 1.18 to 1.51; P < 0.01)., Conclusions: Integration of HIV care into ANC and community-based support improved uptake of CD4 counts, proportion of cART-eligible women initiated on cART, and infants tested.
- Published
- 2015
- Full Text
- View/download PDF
4. Assessment of the impact of rapid syphilis tests on syphilis screening and treatment of pregnant women in Zambia.
- Author
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Bonawitz RE, Duncan J, Hammond E, Hamomba L, Nambule J, Sambambi K, Musonda V, Calise A, Knapp A, Mwale J, McCauley J, Thea D, and Herlihy JM
- Subjects
- Adult, Female, Humans, Mass Screening methods, Penicillins therapeutic use, Pregnancy, Pregnancy Complications, Infectious drug therapy, Prenatal Diagnosis methods, Retrospective Studies, Syphilis drug therapy, Time Factors, Zambia, Health Impact Assessment statistics & numerical data, Mass Screening statistics & numerical data, Pregnancy Complications, Infectious diagnosis, Prenatal Diagnosis statistics & numerical data, Syphilis diagnosis
- Abstract
Objective: To evaluate the impact of rapid syphilis tests (RSTs) on syphilis testing and treatment in pregnant women in Kalomo District, Zambia., Methods: In March 2012, health workers at all 35 health facilities in Kalomo Distract were trained in RST use and penicillin treatment. In March 2013, data were retrospectively abstracted from 18 randomly selected health facilities and stratified into three time intervals: baseline (6months prior to RST introduction), midline (0-6 months after RST introduction), and endline (7-12 months after RST introduction)., Results: Data collected on 4154 pregnant women showed a syphilis-reactive seroprevalence of 2.7%. The proportion of women screened improved from baseline (140/1365, 10.6%) to midline (976/1446, 67.5%), finally decreasing at endline (752/1337, 56.3%) (P<0.001). There was no significant difference in the proportion of syphilis-seroreactive pregnant women who received 1 dose of penicillin before (1/2, 50%) or after (5/48, 10.4%; P=0.199) RST introduction with low treatment rates throughout., Conclusion: With RST scale-up in Zambia and other resource-limited settings, same-day test and treatment with penicillin should be prioritized to achieve the goal of eliminating congenital syphilis., (Copyright © 2015 International Federation of Gynecology and Obstetrics. All rights reserved.)
- Published
- 2015
- Full Text
- View/download PDF
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