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Objective: Flow diversion using devices such as the "pipeline" stent is now a common treatment for unruptured intracranial aneurysms. Though much is known about the efficacy of the device, less is reported regarding potential side effects. In this study, we report the frequency and characteristics of the "post-pipeline headache.", Methods: We prospectively enrolled a cohort of 222 patients who underwent pipeline stenting for the treatment of intracranial aneurysm between 2015 and 2018. A follow-up telephone survey was conducted with a mean 21.6 months postprocedure evaluating postprocedure headaches and previous headache history. A post-pipeline headache was defined as a new headache or pain distinct from their prior headache syndrome. Information was collected regarding patient demographics, headache characteristics, headache history, and whether symptoms were ongoing. Logistic regression was used to determine factors associated with post-pipeline headache and the risk of long-term headache persistence., Results: Eighty-eight individuals were reached by phone for follow-up; 48 (55%) of whom reported a new headache postprocedure. Patients experiencing post-pipeline headache were more likely to be young (OR 0.9; 95% CI: 0.85-0.94) and have a history of prior headaches (OR 2.4, 95% CI: 1.02-5.81). Associated motor (OR 6.1; 95% CI: 1.19-31.47), cognitive (OR 7.0; 95% CI: 081-60.33), visual (OR 5.4; 95% CI: 1.05-27.89), and vestibular (OR 4.8; 95% CI: 1.14-20.23) symptoms were associated with ongoing headache., Conclusions: Post-pipeline headache is common, particularly in younger individuals with prior headache history, and has distinctive features. Symptoms can remit over time; however, two-thirds experience ongoing headaches, particularly those with associated migrainous features., (All Rights Reserved by JVIN. Unauthorized reproduction of this article is prohibited.)

On April 25, 2017, the Sinoe County Health Team (CHT) notified the Liberia Ministry of Health (MoH) and the National Public Health Institute of Liberia of an unknown illness among 14 persons that resulted in eight deaths in Sinoe County. On April 26, the National Rapid Response Team and epidemiologists from CDC, the World Health Organization (WHO) and the African Field Epidemiology Network (AFENET) in Liberia were deployed to support the county-led response. Measures were immediately implemented to identify all cases, ascertain the cause of illness, and control the outbreak. Illness was associated with attendance at a funeral event, and laboratory testing confirmed Neisseria meningitidis in biologic specimens from cases. The 2014-2015 Ebola virus disease (Ebola) outbreak in West Africa devastated Liberia's already fragile health system, and it took many months for the country to mount an effective response to control the outbreak. Substantial efforts have been made to strengthen Liberia's health system to prevent, detect, and respond to health threats. The rapid and efficient field response to this outbreak of N. meningitidis resulted in implementation of appropriate steps to prevent a widespread outbreak and reflects improved public health and outbreak response capacity in Liberia.