Publications by authors named "N Samarasekera"

Cancer is a major health challenge globally and in Sri Lanka. Providing comprehensive information to patients is crucial for improving treatment outcomes and patient satisfaction, supported by evidence of its effectiveness in managing cancer pain. EORTC QLQ-INFO25, an information module developed by the European Organisation for Research and Treatment of Cancer (EORTC) Quality of Life Group, is aimed at assessing cancer patients' perception of information received during different phases of care.

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Little is known about whether clinical, radiological or neuropathological features are associated with cognitive impairment before intracerebral haemorrhage. We conducted a community-based cohort study of 125 adults with intracerebral haemorrhage (lobar = 71, non-lobar = 54) with consent to brain autopsy. We compared small vessel disease biomarkers on diagnostic CT head and neuropathological findings including neurofibrillary tangles and amyloid plaques in adults without cognitive impairment versus cognitive impairment without dementia versus dementia before intracerebral haemorrhage, stratified by lobar and non-lobar intracerebral haemorrhage.

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Introduction: We know little about the evolution of perihaematomal oedema (PHO) >24 h after ICH onset. We aimed to determine the trajectory of PHO after ICH onset and its association with outcome.

Methods: We did a prospective cohort study using a pre-specified scanning protocol in adults with first-ever spontaneous ICH and measured absolute PHO volumes on CT head scans at ICH diagnosis and 3 ± 2, 7 ± 2, and 14 ± 2 days after ICH onset.

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Article Synopsis
  • There are no specific medical treatments for intracerebral haemorrhage (ICH), but researchers are exploring the link between inflammatory biomarkers in blood and clinical outcomes or brain inflammation.
  • A systematic review of studies revealed that certain biomarkers, including fibrinogen and HMGB1, were associated with worse outcomes (like death or dependency) after ICH.
  • The study included 16 papers on blood biomarkers and their relationship to perihaematomal edema (PHO) and clinical results, indicating that higher levels of these biomarkers could predict poorer outcomes in ICH patients.
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White matter abnormalities, related to poor cerebral perfusion, are a core feature of small vessel cerebrovascular disease, and critical determinants of vascular cognitive impairment and dementia. Despite this importance there is a lack of treatment options. Proliferation of microglia producing an expanded, reactive population and associated neuroinflammatory alterations have been implicated in the onset and progression of cerebrovascular white matter disease, in patients and in animal models, suggesting that targeting microglial proliferation may exert protection.

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