Lancet neurology
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Sleep-wake disturbances are extremely common after a traumatic brain injury (TBI). The most common disturbances are insomnia (difficulties falling or staying asleep), increased sleep need, and excessive daytime sleepiness that can be due to the TBI or other sleep disorders associated with TBI, such as sleep-related breathing disorder or post-traumatic hypersomnia. ⋯ Sleep-wake disturbances associated with TBI warrant treatment. Although evidence specific to patients with TBI is still scarce, cognitive-behavioural therapy and medication could prove helpful to alleviate sleep-wake disturbances in patients with a TBI.
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For several years, the only therapy with proven efficacy for acute ischaemic stroke was alteplase, which is approved for use within 4·5 h after stroke onset in many countries, but only within 3 h in the USA. However, the recanalisation rate with alteplase is modest. Several trials have shown substantial clinical benefit of neurothrombectomy within 6 h of ischaemic stroke onset, which has initiated a new era of acute stroke therapy. ⋯ Continuing clinical trials with several types of advanced MRI and CT imaging to enhance patient selection are investigating alteplase, other thrombolytic drugs, and novel endovascular devices, for use in later time periods from stroke onset. Consequently, the organisation and implementation of future clinical trials will need to adapt to what has been learned from the present generation of trials. The delivery of care to patients with acute stroke will also need to incorporate newly proven therapies, and much additional work is needed to maximise outcomes in as many patients as possible.