The online-only Data Supplement is available with this article at http://stroke.ahajournals.org/lookup/suppl

Post-stroke cognitive impairment (PSCI) includes all forms of cognitive decline that develop after stroke, even if not severe enough to fit the criteria of dementia. Our aims were to investigate the predictive value of a brief bedside examination (Montreal Cognitive Assessment, MoCA) in the acute phase of stroke on the diagnosis of mid-term PSCI, taking into account other clinical, cognitive, functional, and neuroimaging predictors. Consecutive patients admitted to a stroke unit were evaluated with MoCA between 5 and 9 days after stroke. At baseline, clinical, functional, and neuroimaging data were collected. Patients were reassessed between 6 and 9 months after stroke by means of an extensive neuropsychological and functional evaluation. Out of 137 enrolled stroke patients, 80 (58.4%) were followed up (mean age 68.2 ± 14.6 years, males 66%, mean NIHSS score 3.6 ± 4.8). PSCI was diagnosed in 47 patients (59%; 35 mild cognitive impairment, 12 dementia). Controlling for age, education, functional and cognitive pre-morbid status, stroke severity, and pre-existing lacunar infarcts, MoCA baseline score [OR (95% CI) = 1.4(1.1-1.8)] for each point] and leukoaraiosis severity [OR (95% CI) = 0.4(0.2-0.9)] for each point of the van Swieten scale] were independently associated with PSCI. Using a ROC analysis, a cut-off of 21 predicted the diagnosis of PSCI with 91.4 % sensitivity, 75.8 % specificity, 80 % positive predictive value, and 89.3 % negative predictive value. In a sample of mild stroke patients, MoCA seems to be a good predictor of mid-term PSCI, making it a possible candidate for a brief cognitive screening in the acute stroke setting.

The incidence of cardiac tamponade could be reduced by following specific guidelines. The possibility of tamponade must be kept in mind during the resuscitation of any preterm infant with a peripherally inserted central catheter in place who develops symptoms of shock or sudden bradycardia. Our experience shows that even preterm infants with cardiac tamponade can be successfully resuscitated by timely pericardiocentesis in most cases.

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