geoffrey modest medical blogs

  A recent Canadian study found that there was significant transmission of SARS-CoV-2 from kids to adults, especially from those 0 to 3 years old (see  covid child transmission jamapeds2021  in dropbox or doi:10.1001/jamapediatrics.2021.2770 )   Details:  -- 6280 private households in Ontario, Canada (the most populous province in Canada) were identified, all having a person <18 years old with laboratory confirmed SARS-CoV-2 infection. Researchers were from the Public Health Ontario in Toronto,   from June 2020 until January 2021      -- private households were defined as individual homes or apartments within a multiunit dwelling (ie, not homeless shelters or long-term care homes)      -- SARS-CoV-2 confirmation by a positive nucleic acid amplification test (NAAT) -- mean age of the pediatric index cases was 10.7 years, 46% female -- pediatric age groups were divided into 0-3yo, 4-8yo, 9-13yo, 14-17yo -- symptoms w...

  The American Academy of Pediatrics just updated the 2012 guidelines on the risk assessment for sudden cardiac arrest or death in the young, suggesting this screening  should be a routine one as opposed to a targeted one for those entering competitive athletics (see sudden cardiac deaths AAPpolicy2021 in dropbox or https://pediatrics.aappublications.org/content/pediatrics/148/1/e2021052044.full.pdf     Review:  -- sudden cardiac arrest and sudden cardiac death are associated with an array of underlying cardiac conditions, including cardiomyopathies (hypertrophic,  dilated, restrictive, arrhythmogenic),  channelopathies (long and short QT syndromes, Brugada syndrome, catecholaminergic polymorphic ventricular tachycardia, idiopathic ventricular fibrillation), several congenital heart diseases, WPW, Commotio Cordis from a sudden high impact to the chest wall, anomalous coronary arteries, aortopathies (Marfan’s, bicuspid aortic valve with aortic ...

  -- The UK has an ongoing, updated tally of the prevalence of continuing symptoms following Covid-19 infection, the latest being 5Aug2021 and reflecting data for the four-week period ending 4 July 2021 (see    https://www.ons.gov.uk/peoplepopulationandcommunity/healthandsocialcare/conditionsanddiseases/bulletins/prevalenceofongoingsymptomsfollowingcoronaviruscovid19infectionintheuk/5august2021 /. major points:     --1.5% of the population (approx 945,000 people) has self-reported in a representative survey that they had "long covid", defined as symptoms persisting >4 weeks after the beginning of suspected covid infection          --mostly 25-34yo (132,000 people), 35-49 (253,000), 50-69 (361,000)     --835,000 (88%) had or suspected to have had covid at least 12 weeks previously (1.3% of population),  232,000 with symptoms 26-39 weeks  after infection and 380,000 (40%) at least one year later (0.6% of the populati...