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1.
Pediatr Rheumatol Online J ; 22(1): 43, 2024 Apr 14.
Artículo en Inglés | MEDLINE | ID: mdl-38616268

RESUMEN

BACKGROUND: Kawasaki disease has been described across the globe, although publications from Africa are limited. To our knowledge, there are no publications on Kawasaki disease from Kenya, which triggered this report. METHODS: A retrospective cross-sectional study was undertaken to identify in-patients with a discharge diagnosis of Kawasaki disease, over 2 different 5-year periods, at two pediatric hospitals in Nairobi, Kenya. We reviewed the medical records of all patients and report their clinical findings, diagnostic workup and treatment. In addition, we undertook a detailed review of the literature. RESULTS: Twenty-three patients with Kawasaki disease were identified, of those 12 (52.2%) had incomplete disease. The mean age was 2.3 years (SD+/-2.2) (range 0.3-10.3) with a male to female ratio of 1:1. The mean duration of fever at diagnosis was 8.3 days (SD+/-4.7) (range 2-20). Oral changes were the most common clinical feature and conjunctivitis the least common. Thrombocytosis at diagnosis was seen in 52% (12/23). Twenty-one patients (91.3%) were treated with intravenous immunoglobulin and all except 1 received aspirin. Baseline echocardiograms were performed in 95.7% (22/23) and found to be abnormal in 3 (13.6%). Follow-up data was limited. Our literature review identified 79 publications with documented cases of Kawasaki disease in children from 22 countries across the African continent with a total of 1115 patients including those from this report. Only 153 reported cases, or 13.7%, are from sub-Saharan Africa. CONCLUSIONS: This is the first publication on Kawasaki disease from Kenya and one of the largest reports from sub-Saharan Africa. It is the first to have a complete review of the number of published cases from the African continent. Challenges in the diagnosis and management of Kawasaki disease in many African countries include disease awareness, infectious confounders, access and cost of intravenous immunoglobulin, access to pediatric echocardiography and follow-up. Increasing awareness and health care resources are important for improving outcomes of Kawasaki disease in Africa.


Asunto(s)
Síndrome Mucocutáneo Linfonodular , Niño , Preescolar , Femenino , Humanos , Masculino , Estudios Transversales , Inmunoglobulinas Intravenosas/uso terapéutico , Kenia/epidemiología , Síndrome Mucocutáneo Linfonodular/diagnóstico , Síndrome Mucocutáneo Linfonodular/epidemiología , Síndrome Mucocutáneo Linfonodular/terapia , Estudios Retrospectivos , Lactante
2.
Osteoporos Int ; 24(3): 999-1006, 2013 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-22744715

RESUMEN

UNLABELLED: Bone mineral content (BMC) is known to be greater in the dominant arm after the age of 8 years. We studied a group of children and found that BMC sidedness gradually increased up to the age of 6 years and then remained stable into late adolescence. INTRODUCTION: Bone mineral content (BMC) exhibits sidedness in the arms after the age of 8 years, but it is not known whether BMC is greater in the dominant arm from birth or whether lateralization develops in early childhood. To address this, we examined bone mineral status in relation to handedness and age. METHODS: Subjects (N = 158) were children recently initiating glucocorticoids for underlying disease (leukemia 43 %, rheumatic conditions 39 %, nephrotic syndrome 18 %). Handedness was determined by questionnaire and BMC by dual-energy X-ray absorptiometry. RESULTS: Median age was 7.2 years (range, 1.5 to 17.0 years), 49 % was male, and the spine BMD Z-score was -0.9 (SD, 1.3). By linear regression, BMC sidedness in the arms was significantly related to age (r = 0.294, p = 0.0005). Breakpoint analysis revealed two lines with a knot at 6.0 years (95 % CI, 4.5-7.5 years). The formula for the first line was: dominant:nondominant arm BMC ratio = 0.029 × age [in years] + 0.850 (r = 0.323, p = 0.017). The slope of the second line was not different from 0 (p = 0.332), while the slopes for the two lines were significantly different (p = 0.027). CONCLUSIONS: These results show that arm BMC sidedness in this patient group develops up to age 6 years and then remains stable into late adolescence. This temporal profile is consistent with mechanical stimulation of the skeleton in response to asymmetrical muscle use as handedness becomes manifest.


Asunto(s)
Envejecimiento/fisiología , Huesos del Brazo/fisiología , Densidad Ósea/fisiología , Lateralidad Funcional/fisiología , Absorciometría de Fotón/métodos , Adolescente , Composición Corporal/fisiología , Niño , Preescolar , Femenino , Humanos , Lactante , Huesos de la Pierna/fisiología , Masculino
3.
Arthritis Care Res (Hoboken) ; 62(4): 516-26, 2010 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-20391507

RESUMEN

OBJECTIVE: Vertebral fractures are an under-recognized problem in children with inflammatory disorders. We studied spine health among 134 children (87 girls) with rheumatic conditions (median age 10 years) within 30 days of initiating glucocorticoid therapy. METHODS: Children were categorized as follows: juvenile dermatomyositis (n = 30), juvenile idiopathic arthritis (n = 28), systemic lupus erythematosus and related conditions (n = 26), systemic arthritis (n = 22), systemic vasculitis (n = 16), and other conditions (n = 12). Thoracolumbar spine radiograph and dual x-ray absorptiometry for lumbar spine (L-spine) areal bone mineral density (BMD) were performed within 30 days of glucocorticoid initiation. Genant semiquantitative grading was used for vertebral morphometry. Second metacarpal morphometry was carried out on a hand radiograph. Clinical factors including disease and physical activity, calcium and vitamin D intake, cumulative glucocorticoid dose, underlying diagnosis, L-spine BMD Z score, and back pain were analyzed for association with vertebral fracture. RESULTS: Thirteen vertebral fractures were noted in 9 children (7%). Of these, 6 patients had a single vertebral fracture and 3 had 2-3 fractures. Fractures were clustered in the mid-thoracic region (69%). Three vertebral fractures (23%) were moderate (grade 2); the others were mild (grade 1). For the entire cohort, mean +/- SD L-spine BMD Z score was significantly different from zero (-0.55 +/- 1.2, P < 0.001) despite a mean height Z score that was similar to the healthy average (0.02 +/- 1.0, P = 0.825). Back pain was highly associated with increased odds for fracture (odds ratio 10.6 [95% confidence interval 2.1-53.8], P = 0.004). CONCLUSION: In pediatric rheumatic conditions, vertebral fractures can be present prior to prolonged glucocorticoid exposure.


Asunto(s)
Glucocorticoides/efectos adversos , Vértebras Lumbares/lesiones , Enfermedades Reumáticas/tratamiento farmacológico , Fracturas de la Columna Vertebral/inducido químicamente , Vértebras Torácicas/lesiones , Absorciometría de Fotón , Adolescente , Niño , Preescolar , Femenino , Humanos , Lactante , Vértebras Lumbares/diagnóstico por imagen , Masculino , Oportunidad Relativa
4.
Ann Rheum Dis ; 59(11): 864-9, 2000 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-11053062

RESUMEN

Osteochondrodysplasias are a heterogeneous group of genetic skeletal dysplasias. Patients with these diseases commonly develop an early degenerative arthritis or osteoarthritis. Occasional observations of inflammatory arthritis have been made in this population but such observations are based on clinical grounds alone without confirmatory imaging studies. Four patients followed up in a paediatric rheumatology clinic with three different skeletal dysplasias, who had both clinical and radiological evidence of an inflammatory arthritis and coexistent degenerative arthritis, are described.


Asunto(s)
Artritis Juvenil/etiología , Osteoartritis/etiología , Osteocondrodisplasias/complicaciones , Adolescente , Antiinflamatorios no Esteroideos/uso terapéutico , Antirreumáticos/uso terapéutico , Artritis Juvenil/diagnóstico , Artritis Juvenil/tratamiento farmacológico , Niño , Medios de Contraste , Femenino , Estudios de Seguimiento , Humanos , Imagen por Resonancia Magnética , Masculino , Metotrexato/uso terapéutico , Osteoartritis/diagnóstico , Osteoartritis/tratamiento farmacológico , Osteocondrodisplasias/diagnóstico , Resultado del Tratamiento
5.
J Pediatr Endocrinol Metab ; 11(2): 273-6, 1998.
Artículo en Inglés | MEDLINE | ID: mdl-9642643

RESUMEN

DiGeorge syndrome or anomaly consists of a developmental field defect which is characterized by congenital absence or hypoplasia of the thymus and parathyroids, as well as facial dysmorphism and congenital heart defects. Other congenital malformations may coexist, in particular, thyroid abnormalities. A case of congenital hypothyroidism and DiGeorge syndrome is reviewed. Necropsy, clinical, and experimental studies also show that thyroid abnormalities may be a feature of DiGeorge syndrome. Although this could be purely coincidental, our case suggests that thyroid gland dysgenesis may be more common than previously thought. Thus, children with the DiGeorge syndrome may be at higher risk for hypothyroidism. Because of this potential association, patients who are considered to have this anomaly should have early newborn thyroid screening.


Asunto(s)
Síndrome de DiGeorge/complicaciones , Glándula Tiroides/anomalías , Adulto , Hipotiroidismo Congénito , Síndrome de DiGeorge/patología , Femenino , Humanos , Hipotiroidismo/complicaciones , Recién Nacido , Tamizaje Neonatal
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