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  • Okello, Emmy  (3)
  • Rwebembera, Joselyn  (3)
  • Scheel, Amy  (3)
  • Zuhlke, Liesl  (3)
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  • 1
    Online Resource
    Online Resource
    Abstract 12503: A Randomized Controlled Trial of Secondary Antibiotic Prophylaxis for Latent Rheumatic Heart Disease
    Ovid Technologies (Wolters Kluwer Health) ; 2021
    In:  Circulation Vol. 144, No. Suppl_1 ( 2021-11-16)
    Details
    In: Circulation, Ovid Technologies (Wolters Kluwer Health), Vol. 144, No. Suppl_1 ( 2021-11-16)
    Abstract: Introduction: Rheumatic heart disease affects 40.5 million people globally and causes 306,000 annual deaths. Echocardiographic screening detects rheumatic heart disease at an early, latent stage. However, it is unknown if secondary antibiotic prophylaxis is effective at preventing progression of latent rheumatic heart disease. Methods: We conducted a randomized controlled trial of secondary antibiotic prophylaxis among Ugandan children (5-17 years) with latent rheumatic heart disease. We randomized children to receive either 4-weekly injections of benzathine benzylpenicillin G or no prophylaxis. All children underwent echocardiography at baseline and 2 years after randomization. Changes from baseline were adjudicated by a panel blinded to treatment allocation. The primary outcome was rheumatic heart disease progression. The trial was registered at ClinicalTrials.org (NCT03346525) on November 17, 2017. Results: 818 were included in the modified intention to treat analysis and 799 participants (97.7%) reached study completion. Three participants in the prophylaxis group (0.8%) demonstrated echocardiographic progression, compared to 33 (8.3%) in the control group (risk difference -7.5%, 95%CI, -10.2 to -4.7, p 〈 0.001). The number of children with latent rheumatic heart disease needed to receive prophylaxis to prevent one child from developing progression was 13 (95%CI, 10 to 21). There were 2 serious adverse events in the prophylaxis group, including one episode of a mild anaphylactic reaction (0.01% of all treatment doses). Conclusions: Secondary antibiotic prophylaxis reduces the risk of latent rheumatic heart disease progression at 2 years. These data provide new information for our understanding of the role of screening for latent rheumatic heart disease. Further research is needed before the implementation of population-level screening can be recommended.
    Type of Medium: Online Resource
    ISSN: 0009-7322 , 1524-4539
    URL: Article
    DOI: 10.1161/circ.144.suppl_1.12503
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2021
    detail.hit.zdb_id: 1466401-X
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  • 2
    Online Resource
    Online Resource
    Abstract 15349: Factors Associated With Progression of Latent Rheumatic Heart Disease
    Ovid Technologies (Wolters Kluwer Health) ; 2022
    In:  Circulation Vol. 146, No. Suppl_1 ( 2022-11-08)
    Details
    In: Circulation, Ovid Technologies (Wolters Kluwer Health), Vol. 146, No. Suppl_1 ( 2022-11-08)
    Abstract: Introduction: Secondary antibiotic prophylaxis improves outcomes for children diagnosed with latent rheumatic heart disease (RHD). However, many children with latent RHD show improvement without prescription of prophylaxis. The objective of this study was to determine if specific sociodemographic or echocardiographic features are associated with progression of latent RHD. Methods: This is a retrospective analysis of the GOAL Trial, a randomized controlled trial of secondary antibiotic prophylaxis in children with latent RHD conducted in Uganda. Sociodemographic and echocardiographic variables were collected at trial entry. Progression was defined by a change in echocardiographic category according to the World Heart Federation Criteria (WHF; normal, borderline RHD, mild definite RHD, moderate/severe RHD), determined by consensus of a blinded 4-member adjudication panel. The association of risk factors with progression were calculated as odds ratios (OR) with 95% confidence intervals (CI) using logistic regression models adjusted for the randomized treatment arm and the stratification variable (definite/borderline RHD). Results: Outcomes for the 799 children who completed the GOAL Trial were included in this analysis. Female sex (OR 2.6, 95% CI 1.19-5.68, p=0.016) and poorer socioeconomic conditions (WAMI Index 0-1 with 1 being the least deprived, OR 0.48 for every 0.10-point increase) were associated with progression. There was no difference in risk of progression or regression between those with borderline RHD or mild definite RHD. Conclusions: Females and those living in less advantaged conditions were more likely to show progression of latent RHD. The strength of these associations was relatively low and does not warrant restricting prophylaxis to subgroups based on risk factors. The lack of difference in progression risk between those with borderline and those with definite RHD may impact revisions of the World Heart Federation Criteria for latent RHD diagnosis and calls into question the use of the term ‘borderline RHD’.
    Type of Medium: Online Resource
    ISSN: 0009-7322 , 1524-4539
    URL: Article
    DOI: 10.1161/circ.146.suppl_1.15349
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2022
    detail.hit.zdb_id: 1466401-X
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  • 3
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    Online Resource
    Comparison of approaches to determine echocardiographic outcomes for children with latent rheumatic heart disease
    BMJ ; 2022
    In:  Open Heart Vol. 9, No. 2 ( 2022-12), p. e002160-
    Details
    In: Open Heart, BMJ, Vol. 9, No. 2 ( 2022-12), p. e002160-
    Abstract: Screening programmes using echocardiography offer opportunity for intervention through identification and treatment of early (latent) rheumatic heart disease (RHD). We aimed to compare two methods for classifying progression or regression of latent RHD: serial review method and blinded, side-by-side review. Methods A four-member expert panel reviewed 799 enrolment (in 2018) and completion (in 2020) echocardiograms from the GOAL Trial of latent RHD in Uganda to make consensus determination of normal, borderline RHD or definite RHD. Serial interpretations (enrolment and completion echocardiograms read at two different time points, 2 years apart, not beside one another) were compared with blinded side-by-side comparisons (enrolment and completion echocardiograms displayed beside one another in random order on same screen) to determine outcomes according to prespecified definitions of disease progression (worsening), regression (improving) or no change. We calculated inter-rater agreement using Cohen’s kappa. Results There were 799 pairs of echocardiogram assessments included. A higher number, 54 vs 38 (6.8% vs 4.5%), were deemed as progression by serial interpretation compared with side-by-side comparison. There was good inter-rater agreement between the serial interpretation and side-by-side comparison methods (kappa 0.89). Disagreement was most often a result of the difference in classification between borderline RHD and mild definite RHD. Most discrepancies between interpretation methods (46 of 47, 98%) resulted from differences in valvular morphological evaluation, with valves judged to be morphologically similar between enrolment and final echocardiograms when compared side by side but classified differently on serial interpretation. Conclusions There was good agreement between the methods of serial and side-by-side interpretation of echocardiograms for change over time, using the World Heart Federation criteria. Side-by-side interpretation has higher specificity for change, with fewer differences in the interpretation of valvular morphology, as compared with serial interpretation.
    Type of Medium: Online Resource
    ISSN: 2053-3624
    URL: Article
    DOI: 10.1136/openhrt-2022-002160
    Language: English
    Publisher: BMJ
    Publication Date: 2022
    detail.hit.zdb_id: 2747269-3
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