Pediatric rheumatic carditis in Italy and Rwanda: The same disease, different socio-economic settings.

BACKGROUND: Acute Rheumatic Fever and Rheumatic Heart Disease are the leading cause of acquired heart disease in Low-Income Countries, and a common cause in High-Income Countries. We compared rheumatic carditis, its echocardiographic presentation at diagnosis and its progression in Italy and Rwanda. METHODS: Retrospective study including all consecutive patients diagnosed with rheumatic carditis in an Italian (IT) and two Rwandan Hospitals (RW). Echocardiography was performed at diagnosis and three follow-up visits. Baseline characteristics, history of primary and secondary prophylaxis and cardiovascular complications data were collected. RESULTS: Seventy-nine and 135 patients were enrolled in IT and RW, respectively. Mitral regurgitation was the most common lesion (IT: 70%, RW: 96%) in both cohorts; mixed valve lesions and severe lesions were more prevalent in RW. Age at diagnosis (IT: 8.4 ± 2.9 yrs.; RW: 11.1 ± 2.7 yrs.; P < 0.001), adherence to secondary prophylaxis (IT: 99%; RW: 48%; P < 0.001) and history of primary prophylaxis (IT: 65%; RW: 6%; P < 0.001) were different. During the follow-up, native valve lesions completely resolved in 38% of IT and in 2% of RW patients (P < 0.001). By contrast, cardiac surgery was performed in 31% of RW and 5% of IT patients (P < 0.001). Cardiovascular complications and death were only observed in RW. CONCLUSIONS: The more severe cardiac involvement, the higher rate of valve surgery, CV complications and deaths in RW, could be due to delayed diagnosis and treatment, scarce adherence to secondary prophylaxis and differences in social determinants of health.

Prevalence, risk factors and outcomes of neonatal hypothermia at admission at a tertiary neonatal unit, Kigali, Rwanda - a cross-sectional study.

INTRODUCTION: Thermoregulation remains a key physiological challenge faced by a neonate after delivery. We assessed the prevalence, risk factors and outcomes of hypothermia in admitted neonates at a tertiary teaching hospital of Kigali city in Rwanda. MATERIALS AND METHODS: A cross-sectional study was conducted, from July 2013 to September 2017, of neonates who were admitted in the neonatology unit of the University Teaching Hospital of Kigali (CHUK) and whose admission temperature were recorded. Data were extracted from the neonatal database (registry). RESULTS: The neonatal database contained 1021 eligible neonates of which 15% were outborn. Hypothermia was found at admission in 280 of the 1021 eligible neonates (27%). The extremely preterm (<28 weeks) were significantly more likely to become hypothermic compared to term neonates (AOR = 6.81, CI: 3.39-13.71, p < .001). Mortality rate was higher in hypothermic infants (AOR = 1.89, CI: 1.16-3.1, p = .011). Length of hospital stay (22 versus 13 days, p < .001), in all surviving infants was higher in neonates admitted hypothermic, though not in the subgroups of infants < 32-week gestation. DISCUSSION: Thermal protection of the neonate immediately after birth is essential. In our tertiary neonatal unit, we identify nearly one-third of neonates are hypothermic at admission and this is associated with higher mortality and increased length of hospital stay. The ten-steps of the WHO "warm chain" may present an analytic roster for maternity and neonatal teams to pinpoint targets for interventional research and quality improvement work in order to achieve better outcomes.

Retinopathy of prematurity in Rwanda: a prospective multi-centre study following introduction of screening and treatment services.

OBJECTIVES: To investigate risk factors for retinopathy of prematurity (ROP) in a newly established ROP screening and management programme in Rwanda, Africa. METHODS: In this multi-centre prospective study 795/2222 (36%) babies fulfilled the inclusion criteria (gestational age (GA) < 35 weeks or birth weight (BW) < 1800 g or unstable clinical course), 424 (53%) of whom were screened for ROP. 270 died before the first screening. ROP and treatment-warranted ROP were classified using the revised International Classification of ROP (2005). Data on maternal and perinatal risk factors were collected from daily neonatal notes. RESULTS: 31 babies (7.3%, CI 5.0-10.2) developed any ROP, 13 of whom (41.9%, CI 24.5-60.9) required treatment. ROP was seen in six neonates with GA > 30 weeks and BW > 1500 g, one of whom required treatment. In univariate analysis the following were associated with any ROP: increasing number of days on supplemental oxygen (OR 2.1, CI 1.5-3.0, P < 0.001), low GA (OR 3.4, CI 1.8-6.4, P < 0.001), low BW (OR 2.3, CI 1.5-3.4, P < 0.001), at least one episode of hyperglycaemia ≥ 150 mg/dl (OR 6.6, CI 2.0-21.5, P < 0.001), blood transfusion (OR 3.5, CI 1.6-7.4, P < 0.001) or sepsis (OR 3.2, CI 1.2-8.6, P = 0.01). In multivariate analysis longer exposure to supplemental oxygen (OR 2.1, CI 1.2-3.6, P = 0.01) and hyperglycaemia (OR 3.5, CI 1.0-12.4, P = 0.05) remained significant. CONCLUSIONS: ROP has become an emerging health problem in Rwanda, requiring programmes for screening and treatment. ROP screening is indicated beyond the 2013 American Academy guidelines. Improved quality of neonatal care, particularly oxygen delivery and monitoring is needed.

Correction: Retinopathy of prematurity in Rwanda: a prospective multi-centre study following introduction of screening and treatment services.

An amendment to this paper has been published and can be accessed via a link at the top of the paper.In the original Article, Erwin Van Kerschaver was erroneously attributed an affiliation. This has been corrected in the XML,HTML and PDF versions of this Article.

Write-up and dissemination of undergraduate and postgraduate research at the University of Rwanda: a cross-sectional study.

INTRODUCTION: Research is essential in all areas of health development. However, medical students and residents frequently lack the time and training on performing research. This is especially prevalent in resource-limited settings. We aimed to compare the word counts of undergraduate and postgraduate dissertations with published projects in Rwanda, and to identify the proportion of postgraduate pediatric research projects that have been published since 2012. METHODS: Retrospective, cross-sectional study of undergraduate and postgraduate research dissertations at the University of Rwanda. Dissertations were then compared to randomly selected published papers of Rwandan research. Each IMRaD (Introduction, Methodology, Results and Discussion) section word count was compared using Student's t-test. RESULTS: 19/190 (10%) undergraduate dissertations and 22/41 (54%) postgraduate dissertations, were available in electronic format for word-count analysis. The mean total word count for postgraduate dissertations (5163 words) was significantly longer (p<0.001) than the randomly selected peer-reviewed journal articles (2959 words). Each section of the IMRaD structure of postgraduate dissertations was significantly longer than those of the control group. Undergraduates used a similar number of words to published papers, but used significantly more tables and figures. Of the 41 postgraduate dissertations, only four (10%), were published in peer-reviewed journals. CONCLUSION: This is the first study to assess the writing style of Rwandan medical students and pediatric postgraduate residents. A simple step to increase dissemination of research findings would be for institutions to modify academic regulations so that students write-up in manuscript form rather than dissertation format.

Perceived attitudes of the importance and barriers to research amongst Rwandan interns and pediatric residents - a cross-sectional study.

BACKGROUND: Globally, interns and residents face significant challenges with respect to research activity. Despite this, they are motivated and have an interest in undertaking research. To date, there has been no research regarding the perceived attitudes towards research activities amongst Rwandan residents and interns. OBJECTIVES: The primary objective of this study was to describe the perceived attitudes regarding the educational benefits and barriers surrounding research activity amongst interns and residents, and to identify any differences between these groups. The secondary objective was to describe the research methods used by interns and residents in Rwanda. METHODS: A cross-sectional descriptive study of interns and pediatric trainees at the University of Rwanda. An online questionnaire using Likert scale questions was sent electronically to eligible participants. RESULTS: A total of sixty participants (38 interns and 22 pediatric residents) responded to the survey. Both groups acknowledged the educational importance of undertaking research, with interns reporting this more than residents. Both groups identified the following as barriers to research: faculty lacking time to mentor, lack of funding, lack of statistical support, and lack of faculty experienced in conducting research. Interns (87%) were much more likely to have undertaken retrospective research than pediatric residents (14%). Few interns or residents submitted their research for publication (27%). CONCLUSIONS: Both interns and residents understood the importance of research, but many barriers exist. Increasing the time available for experienced faculty members to supervise research is challenging due to low faculty numbers. Novel solutions will need to be found as well as expanding the time for trainees to perform research.

Altered breast development in young girls from an agricultural environment.

In several human populations, the age at which female breast development begins is reported to have declined over the last five decades. Much debate has occurred over whether this reported decline has actually occurred and what factors contribute to it. However, geographical patterns reflecting earlier developmental onset in some human populations suggest environmental factors influence this phenomenon. These factors include interactions between genetic makeup, nutrition, and possible cumulative exposure to estrogens, both endogenous as well as environmental beginning during in utero development. We examined the onset of breast development in a group of peripubertal girls from the Yaqui Valley of Sonora, Mexico. We observed that girls from valley towns, areas using modern agricultural practices, exhibited larger breast fields than those of girls living in the foothills who exhibited similar stature [e.g., weight, height, body mass index (BMI)], and genetic background. Further, girls from valley towns displayed a poorly defined relationship between breast size and mammary gland development, whereas girls from the Yaqui foothills, where traditional ranching occurs, show a robust positive relationship between breast size and mammary size. The differences noted were obtained by a medically based exam involving morphometric analysis and palpation of tissues, in contrast to visual staging alone. In fact, use of the Tanner scale, involving visual staging of breast development for puberty, detected no differences between the study populations. Mammary tissue, determined by palpation, was absent in 18.5% of the girls living in agricultural areas, although palpable breast adipose tissue was present. No relationship was seen between mammary diameter and weight or BMI in either population. These data suggest that future in-depth studies examining mammary tissue growth and fat deposition in breast tissue are required if we are to understand environmental influences on these phenomena.