BackgroundTo analyse the clinical characteristics of COVID-19 with acute ischaemic stroke (AIS) and identify factors predicting functional outcome.MethodsMulticentre retrospective cohort study of COVID-19 patients with AIS who presented to 30 stroke centres in the USA and Canada between 14 March and 30 August 2020. The primary endpoint was poor functional outcome, defined as a modified Rankin Scale (mRS) of 5 or 6 at discharge. Secondary endpoints include favourable outcome (mRS ≤2) and mortality at discharge, ordinal mRS (shift analysis), symptomatic intracranial haemorrhage (sICH) and occurrence of in-hospital complications.ResultsA total of 230 COVID-19 patients with AIS were included. 67.0% (154/230) were older than 60 years, while 33.0% (76/230) were younger. Median (IQR) National Institutes of Health Stroke Scale (NIHSS) at presentation was 12.0 (17.0) and 42.8% (89/208) presented with large vessel occlusion (LVO). Approximately 50.2% (102/203) of the patients had poor outcomes with an observed mortality rate of 38.8% (35/219). Age >60 years (aOR: 4.60, 95% CI 1.89 to 12.15, p=0.001), diabetes mellitus (aOR: 2.53, 95% CI 1.14 to 5.79, p=0.025), increased NIHSS at admission (aOR: 1.10, 95% CI 1.05 to 1.16, p<0.001), LVO (aOR: 3.02, 95% CI 1.27 to 7.44, p=0.014) and no IV tPA (aOR: 2.76, 95% CI 1.06 to 7.64, p=0.043) were significantly associated with poor functional outcome.ConclusionThere may be a relationship between COVID-19 associated AIS and severe disability or death. We identified several factors that predict worse outcomes, and these outcomes were more frequent compared with global averages. We found that elevated neutrophil-to-lymphocyte ratio, rather than D-dimer, predicted both morbidity and mortality.
The non-tubercular mycobacterium, Mycobacterium abscessus (M. abscessus), is a resistant, opportunistic pathogen that causes lung infections that are not curable, but which can be controlled with appropriate antibiotic regimens. A new broad-spectrum tetracycline analog called omadacycline was approved in 2018 in the United States for the treatment of bacterial, community-acquired pneumonia and acute skin infections. We discuss a case to assess the effect of this novel antibiotic in the management of a nefariously resistant M. abscessus infection. Our patient had underlying chronic bronchiectasis and a long-standing M.abscessus infection, along with numerous drug allergies and previously failed antibiotic regimens. All of these factors entailed a disease process that was difficult to manage and a worsening morbidity. The utilization of omadacycline in this case addressed a multitude of problems by improving ease of administration and circumventing the patient’s allergic reaction to antibiotics; on follow-up, the patient demonstrated an improved clinical status including well-controlled symptoms and weight gain.
Acute respiratory distress syndrome (ARDS) is a life-threatening inflammatory state of lung injury that can require acute interventions including mechanical ventilation as well as emergent veno-venous extracorporeal membrane oxygenation (VV-ECMO) for management. Etiologies of ARDS are not clearly discernible in certain cases and can vary from sepsis, pneumonia, trauma and intoxication. Anti-nuclear cytoplasmic auto-antibody (ANCA)-associated vasculitis (AAV) is a group of several conditions that can have pulmonary complications including ARDS.We present a case where the primary manifestation of myeloperoxidase (MPO)-ANCA positive vasculitis was ARDS, in order to highlight the importance of investigating rare vasculitides as the underlying cause of ARDS and the importance of ECMO as an early life-saving intervention for the management of ARDS.
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