Frontiers in medicine · 2022
Trends in management and outcomes of pregnant women living with HIV between 2008-2013 and 2014-2019: A retrospective cohort study.
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Brandon Olivia, Chakravarti Sujay, Hemelaar Joris
Аннотация
BACKGROUND: Despite major advances in the care of pregnant women living with HIV (WLHIV), they remain at increased risk of adverse pregnancy outcomes. This study assesses recent developments in management and outcomes of pregnant WLHIV at a tertiary obstetric unit in the United Kingdom.
METHODS: We conducted a retrospective cohort study of WLHIV delivering at the John Radcliffe Hospital, Oxford, during 2008-2019. Detailed data was collected for maternal, virological, obstetric, and perinatal characteristics. To determine changes over time, data from the periods 2008-13 and 2014-19 were compared.
RESULTS: We identified 116 pregnancies in 94 WLHIV. Between 2008-2013 and 2014-2019, the rate of preconception HIV diagnosis increased from 73 to 90% (p = 0.021) and the proportion of WLHIV on combination ART (cART) at conception increased from 54 to 84% (p = 0.001). The median gestation at which cART was initiated antenatally decreased from 22+1 to 17+1 weeks (p = 0.003). In 2014-2019, 41% of WLHIV received non-nucleoside reverse transcriptase inhibitor-based cART, 37% protease inhibitor-based cART, and 22% of cART regimens contained an integrase inhibitor. The proportion of WLHIV with a viral load <50 copies/mL at delivery rose from 87 to 94% (p = 0.235). Sixty-six percent of WLHIV delivered by Cesarean section, with a significant decrease over time in the rate of both planned (62-39%, p = 0.016) and actual (49-31%, p = 0.044) elective Cesarean. Perinatal outcomes included one case of perinatal HIV transmission (0.86%), 11% preterm birth, 15% small-for-gestational-age, and 2% stillbirth. There was an association between a viral load >50 copies/mL at delivery and preterm delivery (p = 0.0004).
CONCLUSION: Virological, obstetric, and perinatal outcomes of WLHIV improved during the study period. Implementation of national guidance has led to an increase in preconception diagnosis and treatment, earlier initiation of antenatal treatment, a reduction in the number of women with a detectable viral load at delivery, and an increase in vaginal deliveries.
METHODS: We conducted a retrospective cohort study of WLHIV delivering at the John Radcliffe Hospital, Oxford, during 2008-2019. Detailed data was collected for maternal, virological, obstetric, and perinatal characteristics. To determine changes over time, data from the periods 2008-13 and 2014-19 were compared.
RESULTS: We identified 116 pregnancies in 94 WLHIV. Between 2008-2013 and 2014-2019, the rate of preconception HIV diagnosis increased from 73 to 90% (p = 0.021) and the proportion of WLHIV on combination ART (cART) at conception increased from 54 to 84% (p = 0.001). The median gestation at which cART was initiated antenatally decreased from 22+1 to 17+1 weeks (p = 0.003). In 2014-2019, 41% of WLHIV received non-nucleoside reverse transcriptase inhibitor-based cART, 37% protease inhibitor-based cART, and 22% of cART regimens contained an integrase inhibitor. The proportion of WLHIV with a viral load <50 copies/mL at delivery rose from 87 to 94% (p = 0.235). Sixty-six percent of WLHIV delivered by Cesarean section, with a significant decrease over time in the rate of both planned (62-39%, p = 0.016) and actual (49-31%, p = 0.044) elective Cesarean. Perinatal outcomes included one case of perinatal HIV transmission (0.86%), 11% preterm birth, 15% small-for-gestational-age, and 2% stillbirth. There was an association between a viral load >50 copies/mL at delivery and preterm delivery (p = 0.0004).
CONCLUSION: Virological, obstetric, and perinatal outcomes of WLHIV improved during the study period. Implementation of national guidance has led to an increase in preconception diagnosis and treatment, earlier initiation of antenatal treatment, a reduction in the number of women with a detectable viral load at delivery, and an increase in vaginal deliveries.