Browsing by Author "Tegu, Crispus"

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    Changes in haematological indices among children with sickle cell disease on hydroxyurea treatment for at least 1 year : a cohort study.
    (PLOS One, 2025) Emuli, Stephen; Tegu, Crispus; Oguttu, Faith; Nantale, Ritah; Ochieng, Paul; Paasi, George; Abeso, Julian; Wamulugwa, Joan; Musaba, Milton W.; Namazi, Ruth; Kiguli, Sarah; Mukunya, David
    Background Sickle cell disease is the 12th cause of under-five mortality in Africa, with over 81,000 deaths attributed to sickle cell disease annually. Hydroxyurea is one of the few disease-modifying therapies available for the management of sickle cell disease. This study aimed to assess changes in haematological indices among children who had been initiated on hydroxyurea for at least one year in a non-trial setting at a regional referral hospital in Eastern Uganda. Methods We conducted a cohort study, which included children who attended the sickle cell clinic from 21/Aug/2024 to 30/Oct/2024. Data were analyzed using Stata version 18.0. We conducted a paired sample t-test comparing the haematological indices of children with sickle cell disease at baseline and at least one year later. Results We included 324 children. Nearly half 155/324 (47.8%) of the participants had good monthly adherence to hydroxyurea. The mean haemoglobin level at follow-up increased by 0.77g/dl (p <0.001) from 7.07g/dl (SD 0.10) at baseline to 7.84g/dl (SD 0.09). There was an increase in the mean corpuscular volume [0.97fl (p=0.645)] and mean corpuscular haemoglobin [0.58pg (p=0.120)]. The white blood cell count decreased by 6.17x103/µl (p<0.001) from 20.77x103/µl (SD ± 0.806) at baseline to 14.60x103/µl (SD ± 0.613) at follow-up. The differential white cell counts of neutrophils, lymphocytes, monocytes, and basophils also decreased. Conclusion Hydroxyurea resulted in an increase in mean haemoglobin level and a decrease in absolute and differential white blood cell count. The benefit was more pronounced among children with good adherence to hydroxyurea. We add our voice to calls for continued advocacy for the availability of hydroxyurea for use by children with sickle cell disease in low-resource settings. We also recommend a routine complete blood count to monitor response to treatment and also guide patient management among children with sickle cell disease initiated on hydroxyurea.
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    The association between malaria parasite geometrical mean and clinical spectrum of severe disease in a high-transmission setting in eastern Uganda : a cross-sectional study.
    (Wiley, 2025) Egiru, Isaiah Eregu Emma; Namayanja, Cate; Paasi, George; Okiror, William; Ongodia, Paul; Okalebo, Benard Charles; Muhindo, Rita; Abongo, Grace; Oguttu, Faith; Okibure, Ambrose; Okello, Francis; Tegu, Crispus; Mukunya, David; Chebet, Martin; Olupot-Olupot, Peter
    Background: Malaria burden remains significant, especially in high-transmission settings. While some data show an association between severe malaria and high-malaria parasite geometrical mean (GM), few data describe this phenomenon in malaria hightransmission settings. We described the malaria parasite GM and clinical spectrum of severe malaria in Eastern Uganda to advance understanding of its implications on disease severity and patient outcomes. Methods: We conducted a cross-sectional study in Mbale Regional Referral Hospital (MRRH), Eastern Uganda. Children admitted with severe malaria confirmed by microscopy with ages between 2 months and 12 years were enrolled in the study from September 21, 2021, to September 21, 2022. Data were collected on patient sociodemographics, clinical symptoms and signs, laboratory parameters, treatment details, and outcomes. From the blood samples collected at the bedside, blood films/smears were made. The malaria parasite count was obtained from the patients’ smears by counting the malaria parasites against 200 white blood cells (WBCs). The GMs of malaria were obtained after the logarithmic transformation of the parasite counts. Data were analyzed using Stata 15, and significant associations were reported at p values of 0.05 at 95% confidence intervals. Results: A total of 376 children with a mean age of 4.65 years were recruited, of whom 57.71% (217/376) were male. Children under 5 years constituted 61.7% (232/376). The common clinical manifestations were prostration 76.9% (289/376), jaundice 55.6% (209/376), severe anemia 48.4% (182/377), and hemoglobinuria 46.5% (175/376). The overall malaria parasite GM was 12,238.42 parasites/microliter (95% CI: 9166.72–16,339.43). The highest GM of 197,000 parasites/microliter (95% CI:40,817.64–946,368) and the lowest of 8938.185 parasites/microliter (95% CI: 5932.8–13,466.01) were observed in shock and severe anemia, respectively. Inpatient mortality was 3.4%. Conclusion: In malaria high-transmission settings of Eastern Uganda, patients with severe malaria had low parasite GMs similar to those in uncomplicated malaria. Thus, malaria parasite GM should not be relied upon to determine disease severity in these settings.