Diagnostic algorithms based on a combination of Wells score, D-dimer and ultrasound (with repeat if negative) are feasible at most UK hospitals and are among the most cost-effective. Use of repeat scanning depends on the threshold for willingness to pay for health gain. Further diagnostic testing for patients with a low Wells score and negative D-dimer is unlikely to represent a cost-effective use of resources. Recommendations for research include the evaluation of the costs and outcomes of using the optimal diagnostic algorithms in routine practice, the development and evaluation of algorithms appropriate for specific groups of patients with suspected DVT, such as intravenous drug abusers, pregnant patients and those with previous DVT, the evaluation of the role of plethysmography: interaction with other diagnostic tests, outcome of low-risk patients with negative plethysmography and measurement of the costs of providing plethysmography, and methodological research into the incorporation of meta-analytic data into decision-analytic modelling.
Neuropsychological deficits are prevalent at all points of recovery from anti-NMDAR encephalitis, although improvement in cognitive outcomes can be expected as patients recover. Some cognitive deficits may be less likely than others to resolve. Close neuropsychological monitoring is warranted in this population. Longitudinal studies of neuropsychological functioning of patients with anti-NMDAR encephalitis are needed to accurately inform prognosis.
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