Browsing by Author "Manirakiza, Leonard"

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    Neurodevelopmental delay and associated factors among preterm infants aged 6 to 24 months adjusted gestation age in two urban hospitals in Uganda
    (PLOS, Global Public Health, 2025-05-29) Nalwoga, Joyce; Nakibuuka, Victoria; Manirakiza, Leonard; Namata, Tushabe Tracy; Sebunya, Robert
    Neurodevelopmental delay has been reported among preterm infants who survive beyond the neonatal period. However, there is paucity of data regarding neurode velopmental outcomes in preterm infants in Africa, including Uganda. This study aimed to determine the prevalence and factors associated with neurodevelopment delay (NDD) in preterm infants aged 6–24 months of adjusted gestation age. A cross-sectional study was conducted among 206 preterm infants, aged between 6 and 24 months of adjusted gestation age in the preterm follow up clinics at St. Francis Hospital Nsambya and Mulago Specialized Women and Neonatal Hospital in Kampala-Uganda from 25th January 2021–25th January 2022. The prevalence of NDD was 13.6% (28/206), with social delay comprising 12.1% (25/206), fine motor delay 11.7% (24/206), language delay 10.7% (22/206) and gross motor delay 7.8% (16/206). Significant factors associated with NDD included microcephaly [aPR = 6.2, CI: 2.6-33.5, P < 0.001], severe acute malnutrition (SAM) [aPR = 4.6, CI: 1.87-12.56, P = 0.021], incomplete immunization [aPR = 2.8, CI: 1.23-4.76, P = 0.013], neonatal sepsis [aPR = 3.8, CI: 1.1-9.3, P = 0.026], neonatal hypoglycemia [aPR = 6.2, CI: 1.8 16.4, P = 0.002], lack of caretaker social support [aPR = 8.3, CI: 2.43-37.9, P = 0.002] and large family size (≥5 children) [aPR = 6.8, CI: 2.24-22.7, P = 0.002]. NDD affects 13.6% of preterm infants, with the social and fine motor delays being most prevalent. Modifiable factors like malnutrition, lack of caretaker social support and incomplete immunization should be screened and addressed to reduce NDD among preterm infants in Uganda.
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    Prevalence of vitamin D deficiency and its association with adverse obstetric outcomes among pregnant women in Uganda: a cross- sectional study
    (PubMed Central, 2025-01-09) Reverzani, Cristina; Zaake, Daniel; Nansubuga, Faridah; Ssempewo, Herman; Manirakiza, Leonard; Kayiira, Anthony; Tumwine, Gilbert
    The study was conducted on 351 pregnant women aged ≥18 years who consented to participate in the study, who had a single intrauterine pregnancy and a gestational age greater than 26 weeks, and who delivered at St. Francis Hospital, Nsambya. We excluded pregnant women admitted to the hospital longer than 1 week before delivery; pregnant women with self-reported pre-existing kidney diseases, liver diseases, or gut or malabsorption disorders and pregnant women with severe pregnancy-unrelated comorbidities requiring intensive care unit admission before delivery. Maternal venous blood was collected at admission, and serum 25-hydroxy-vitamin D (25(OH)D) was measured by an electrochemiluminescence binding assay. Maternal sociodemographic characteristics and obstetric-medical factors, and adverse maternal and foetal outcomes were captured by using a data collection form. The data were analysed by logistic regression analysis at the univariate, bivariate and multivariate levels. The prevalence of vitamin D deficiency, defined as a serum 25(OH)D concentration less than 20 ng/mL, was 40.2%. This was seen more among the Muslims (OR 2.4, 95% CI 1.33 to 4.43, p value 0.004), members of the Banyankore tribe (OR 2.1, 95% CI 1.02 to 4.36, p value 0.043) and primigravidae (OR 0.6 for women with parity of 1–4 compared with primigravidity, 95% CI 0.36 to 0.94, p value 0.028). Among adverse maternal outcomes, vitamin D deficiency was associated with hypertensive disorders in pregnancy (OR 2.4, 95% CI 1.16 to 4.10, p value <0.001), in particular gestational hypertension (OR 2.2, 95% CI 1.21 to 4.94, p value 0.014), and pre-eclampsia/eclampsia/haemolysis, elevated liver enzymes and low platelets syndrome (OR 2.9, 95% CI 1.45 to 6.08, p value 0.003), with increased preterm birth (OR of 4.0, 95% CI 1.78 to 10.84, p value<0.001) and with delivery of babies with low birth weight (OR 4.2, 95% CI 2.63 to 13.62, p value 0.001). The study found a high prevalence (40.2%) of vitamin D deficiency among pregnant women delivering at St. Francis Hospital, Nsambya. Additionally, vitamin D deficiency was linked with adverse maternal and foetal outcomes such as hypertensive disorders in pregnancy, preterm birth and low birth weight.