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Neuron-specific enolase (NSE) is a biomarker for neurological outcomes after cardiac arrest with the most evidence collected thus far; however, recommended prognostic cutoff values are lacking owing to the discrepancies in the published data.

The aim of the study was to establish NSE cutoff values for prognostication in the environment of a cardiac intensive care unit following out-of-hospital cardiac arrest (OHCA).

A consecutive series of 82 patients admitted after OHCA were enrolled. Blood samples for the measurement of NSE levels were collected at admission and after 1 hour, 3, 12, 24, 48, and 72 hours. Neurological outcomes were quantified using the cerebral performance category (CPC) index. Each patient was classified into either the good (CPC ≤2) or poor prognosis (CPC ≥3) group.

Median NSE concentrations were higher in the poor prognosis group, and the difference reached statistical significance at 48 and 74 hours (84.4 ng/ml vs 22.9 ng/ml at 48 hours and 152.1 ng/ml vs 18.7 ng/ml at 72 hours; P <0.001, respectively). Moreover, in the poor prognosis group, NSE increased significantly between 24 and 72 hours (P <0.001). NSE cutoffs for the prediction of poor prognosis after OHCA were 39.8 ng/ml, 78.7 ng/ml, and 46.2 ng/ml for 24, 48, and 72 hours, respectively. The areas under the curve were significant at each time point, with the highest values at 48 and 72 hours after admission (0.849 and 0.964, respectively).

Elevated NSE concentrations with a rise in levels in serial measurements may be utilized in the prognostication algorithm after OHCA.

Elevated NSE concentrations with a rise in levels in serial measurements may be utilized in the prognostication algorithm after OHCA.

The long-term impact of extreme prematurity on cardiac structure and function has not been fully evaluated.

The aim of the study was to assess cardiac condition at 11 years of age in a local cohort of extremely low birth weight (ELBW) children born between 2002 and 2004 and to compare it to a previous study in the same group at 7 years of age.

Sixty-four children with ELBW (median birth weight of 890 g) and 36 children born at full term underwent echocardiography and physical examination.

M-mode echocardiography parameters, expressed as z-scores for body surface area (mean [SD]), showed significant differences in left ventricular end-diastolic dimension (-1.01 [0.91] vs 0.35 [0.71]; P < 0.001), left ventricular end-systolic dimension (-0.29 [0.92] vs 0.57 [0.65]; P < 0.001), aorta dimension (0.63 [1.14] vs 1.63 [1.30]; P < 0.001), and left atrial dimension (-1.75 [0.97] vs -0.01 [0.86]; P < 0.001) between the study group and controls at 11 years of age. Fractional shortening (FS) and ejection fraction (EF) were higher in the ELBW children than in their full-term counterparts (33.6 [5.5] vs 30.8 [4.34]; P = 0.009 and 0.63 [0.07] vs 0.58 [0.06]; P = 0.005, respectively) at a mean age of 11 years.

The ELBW children had smaller hearts than full-term controls at both 7 and 11 years of age. selleck kinase inhibitor The FS and EF were elevated in the group of 11-year-old ELBW children. We observed comparable progress in cardiac growth (approximately 20%) in premature and full-term children over a 4-year study period.

The ELBW children had smaller hearts than full-term controls at both 7 and 11 years of age. The FS and EF were elevated in the group of 11-year-old ELBW children. We observed comparable progress in cardiac growth (approximately 20%) in premature and full-term children over a 4-year study period.

Left atrial (LA) fibrosis is associated with a higher rate of recurrence of atrial fibrillation (AF) after pulmonary vein isolation (PVI). Body mass index (BMI) is strongly associated with the prevalence of AF, but there is insufficient data about the association between BMI and LA fibrosis.

The aim of the study was to examine the association between LA fibrosis and BMI in patients with AF undergoing PVI.

In 114 patients an electro-anatomical voltage map was created using the CARTO 3 three-dimensional system before PVI. The total fibrosis area (voltage criteria ≤0.5 mV), percentage, and the number of fibrotic areas were calculated. A general linear model was used to determine the differences in BMI with confounders between groups of patients with differing extents of fibrosis and numbers of focuses.

Advanced fibrosis was found in 53 (47%) patients, in up to 9 areas with a median of 2 and an interquartile range (IQR) of 0-3. The median total fibrotic area was 27.3 cm2 with an IQR of 0.1-30.3 cm2. Patients were stratified by percentage of fibrotic area <5%, 5%-20%, 20%-35%, and above 35%; no significant difference in mean BMI was found between the groups (P = 0.57). When stratified by the number of fibrotic areas (0, 1, 2, and ≥3 fibrotic areas), no difference in BMI was noted between the groups (P = 0.67).

Fibrosis of the LA, as the strongest predictor of AF recurrence after PVI, does not correlate with BMI in patients with AF where PVI is indicated.

Fibrosis of the LA, as the strongest predictor of AF recurrence after PVI, does not correlate with BMI in patients with AF where PVI is indicated.

Pre-ablation identification of left atrial (LA) low voltage areas (LVA) among long-standing persistent atrial fibrillation (LSPAF) population remains challenging.

The aim of the study was to analyze the potential of selected scores originally developed to assess arrhythmia recurrences, thromboembolic complications, or progression from paroxysmal to persistent AF to predict the presence of LA-LVA in LSPAF patients.

One hundred and fifty-two patients underwent pulmonary vein isolation followed by high-density-high-resolution LA voltage mapping. AF risk scores, such as APPLE, ATLAS, CAAP-AF, DR-FLASH, CHA2DS2-VASc, and HATCH were retrospectively calculated. A receiver operating characteristic curve analysis was performed to evaluate the ability of the scores to predict LVA.

Low voltage areas were detected in 52% of the patients. 28% of the patients with LVA presented severe global LVA burden, whereas 56% of the patients showed a disseminated pattern of remodeling. CAAP-AF ≥7, DR-FLASH ≥4, and CHA2DS2-VASc ≥3 predicted the presence of LVA, whereas ATLAS ≤7 indicated the absence of LVA.