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Unlucky numbers: Fighting murder convictions that rest on shoddy stats
LEIDEN, THE NETHERLANDS— When a Dutch nurse named Lucia de Berk stood trial for serial murder in 2003, statistician Richard Gill was aware of the case. But he saw no reason to stick his nose into it. De Berk was a pediatric nurse at Juliana Children’s Hospital in The Hague. In 2001, after a baby died while she was on duty, a colleague told superiors that De Berk had been present at a suspiciously high number of deaths and resuscitations. Hospital staff immediately informed the police. When investigators reexamined records from De Berk’s shifts, they found 10 suspicious incidents. Three other hospitals where D...
Source: Science of Aging Knowledge Environment - January 19, 2023 Category: Geriatrics Source Type: research

Age-Dependence of Flow Homeostasis in the Left Ventricle
Conclusions: In average, blood spends 1 to 3 beats inside the LV with very low shear stress rates. The apical region is the most prone to blood stasis, particularly in mid-aged adults. The washout of blood in the normal LV is age-dependent due to physiological changes in the degree of apical penetration of the filling waves. Introduction Cardioembolic stroke is a major source of mortality and disability worldwide and blood stasis one of its major determinants (Adams et al., 1986). Left ventricular (LV) function has evolved to maximize mechanical efficiency and ensure organ perfusion at a low cost of energy and fill...
Source: Frontiers in Physiology - April 25, 2019 Category: Physiology Source Type: research

Anxiety in Patients With Acute Ischemic Stroke: Risk Factors and Effects on Functional Status
Conclusion: Depressive symptoms are the major correlates of PSA while more severe PSA is associated with poorer ADL and health-related QOL. Acute lesions involving CHWM may correlate with PSA in ischemic stroke patients with mild-to-moderate neurologic deficits, supporting a lesion-location hypothesis in PSA.IntroductionAnxiety is prevalent after stroke and occurs in about one-quarter of stroke survivors (1, 2). Poststroke anxiety (PSA) may have a negative impact on quality of life (QOL) of stroke survivors, affecting their rehabilitation (3). Furthermore, one prospective study found that severe anxiety symptoms were assoc...
Source: Frontiers in Psychiatry - April 16, 2019 Category: Psychiatry Source Type: research

When Time Is Critical: How Involving Frontline Health Workers Can Improve Stroke Survival Rates
By Carmen Graffagnino, Neurologist, Duke Hospital ; Nilima Mehta , Philanthropy program manager, Medtronic Foundation ; Anne Katharine Wales, Senior philanthropy portfolio lead, Medtronic FoundationApril 09, 2019Here are three ways to change a system of acute care.April 10 started as an ordinary day for Sarah. But while eating breakfast, her husband noticed that her face had started to droop and she was unable to find her words. Immediately he called 911.Within 10 minutes, the ambulance arrived with emergency medical services (EMS), a segment of the local health system that recently became partners in a new regional ...
Source: IntraHealth International - April 9, 2019 Category: International Medicine & Public Health Authors: mnathe Tags: Noncommunicable Diseases Education & Performance Private-Sector Approaches SwitchPoint Health Workforce Systems USA Source Type: news

Impact of intracranial artery calcification on cerebral hemodynamic changes
ConclusionHeavier IAC might cause generalized artery flow velocity changes and increased pulsatility index, which may indicate high resistance within cerebrovasculature.
Source: Neuroradiology - February 9, 2018 Category: Radiology Source Type: research