We found high rates of undetected rheumatic heart disease in this high-risk population. Rheumatic heart disease screening has resource implications with cardiology evaluation required for accurate diagnosis. Echocardiographic screening for rheumatic heart disease may overdiagnose rheumatic heart disease unless congenital mitral valve anomalies and physiological regurgitation are excluded.
Iron deficiency is prevalent and an important determinant of child health. Precise and accurate diagnosis remains challenging. Iron supplementation is required for premature and low-birthweight infants. Oral iron salts remain the recommended treatment of choice in most instances.
This study demonstrates a clinically important reduction in the subjective experience of pain when two analgesic interventions were offered with IM delivery of benzathine penicillin. These pain reduction strategies have been popular in the RF population of CMDHB with a 71% uptake and a corresponding reduction in pain and fear.
Infant pertussis hospitalisation rates are three to six times greater than rates in the USA, England and Australia. Underestimation of disease burden by passive notification in hospitalised infants is modest, suggesting a high degree of clinical awareness by paediatricians in NZ. New immunisation strategies are needed to protect infants from a younger age.
Kawasaki disease remains an important cause of mortality and morbidity for children. Diagnostic delay beyond 8 days reduces the chances of successful IVIG therapy in KD. Current studies supported by the Paediatric Surveillance Unit should establish the epidemiology of KD in New Zealand.
Current vaccines control severe disease, suggesting that 72% of cases reviewed would be eligible for prevention. A full cost effectiveness analysis is required to demonstrate anticipated benefits of vaccination.
The incidence of KD in New Zealand is defined with significantly variable risk according to ethnicity. Most patients received appropriate rapid diagnosis and treatment but there was considerable variation in practice in regard to number and timing of echocardiograms. There was a low coronary artery aneurysm rate (2%). Accelerated vaso-occlusive disease was responsible for the single fatality in an atypical case.
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