Time to first combined adverse cardiac event (composite of angina, acute coronary syndrome, cardiac revascularization, worsening New York Heart Association (NYHA) class, a reduction in EF, and cardiovascular death) was analyzed and adjusted using Cox proportional hazards regression. The hazard ratio for an adverse event with an abnormal ΔSV response (≤10mL) was 10.3 (95% confidence intervals 5.6-19.1, P<.0001).
Stroke volume assessment during SE is feasible and readily performed. It is simple, practical, and has incremental diagnostic and prognostic value when added to exercise regional wall-motion analysis.
Stroke volume assessment during SE is feasible and readily performed. It is simple, practical, and has incremental diagnostic and prognostic value when added to exercise regional wall-motion analysis.
To determine whether suicidal ideation or suicide attempts are linked to poor neurocognitive function among individuals with first-episode schizophrenia (FES).
We performed a cross-sectional study on 159 Chinese inpatients (M
=27.1years; 52.2% females) with minimal-treated FES and collected their suicidal history through interviews and medical records. Neurocognitive performance, psychopathology, and depressive symptoms were assessed using the MATRICS Consensus Cognitive Battery, the Positive and Negative Syndrome Scale, and the Calgary Depression Scale for Schizophrenia, respectively.
Approximately 1/10 FES inpatients had any suicide attempts, and more than 1/4 reported lifetime suicidal ideation. Inpatients with a suicide attempt or suicidal ideation scored significantly worse in the overall seven neurocognitive domains compared with those without past suicidal ideation or a suicide attempt. Linear regression suggested that suicide attempts were mainly associated with lower scores in working memory and speed of processing, after adjusting for education levels. The associations remained robust after further controlling for psychopathological and depressive symptoms.
First-episode schizophrenia patients with suicide attempts had more severely impaired neurocognitive performances in specific domains. Fundamental neurocognitive dysfunctions should be assessed, detected, and treated after their suicide risk assessments.
First-episode schizophrenia patients with suicide attempts had more severely impaired neurocognitive performances in specific domains. Fundamental neurocognitive dysfunctions should be assessed, detected, and treated after their suicide risk assessments.
To assess the agreement between cardiac output estimated by two-dimensional echocardiography and bioreactance methods at rest and during dobutamine stress test in heart failure patients with preserved left ventricular ejection fraction (HFpEF).
Hemodynamic measurements were assessed in 20 stable HFpEF patients (12 females; aged 61±7years) using echocardiography and bioreactance methods during rest and dobutamine stress test at increment dosages of 5, 10, 15, and 20μg/kg/min until maximal dose was achieved or symptoms and sign occurred, that is, chest pain, abnormal blood pressure elevation, breathlessness, ischemic changes, or arrhythmia.
Resting cardiac output and cardiac index estimated by bioreactance and echocardiography were not significantly different. At peak dobutamine stress test, cardiac output and cardiac index estimated by echocardiography and bioreactance were significantly different (7.06±1.43 vs 5.71±1.59L/min, P<.01; and 4.27±0.67 vs 3.43±0.87L/m
/min; P<.01) due to the significant differences in stroke volume. There was a strong positive relationship between cardiac outputs obtained by the two methods at peak dobutamine stress (r=.79, P<.01). The mean difference (lower and upper limits of agreement) between bioreactance and echocardiography cardiac outputs at rest and peak dobutamine stress was -0.45 (1.71 to -2.62)L/min and -1.35 (0.60 to -3.31)L/min, respectively.
Bioreactance and echocardiography methods provide different cardiac output values at rest and during stress thus cannot be used interchangeably. Ability to continuously monitor key hemodynamic variables such as cardiac output, stroke volume, and heart rate is the major advantage of bioreactance method.
Bioreactance and echocardiography methods provide different cardiac output values at rest and during stress thus cannot be used interchangeably. Ability to continuously monitor key hemodynamic variables such as cardiac output, stroke volume, and heart rate is the major advantage of bioreactance method.Recently developed accelerometer devices have been used in large epidemiological studies for continuous and objective monitoring of physical activities. Typically, physical movements are summarized as minutes in light, moderate, and vigorous physical activities in each wearing day. Because of preponderance of zeros, zero-inflated distributions have been used for modeling the daily moderate or higher levels of physical activity. Yet, these models do not fully account for variations in daily physical activity and cannot be extended to model weekly physical activity explicitly, while the weekly physical activity is considered as an indicator for a subject's average level of physical activity. https://www.selleckchem.com/products/pd-1-pd-l1-inhibitor-1.html To overcome these limitations, we propose to use a zero-inflated Poisson mixture distribution that can model daily and weekly physical activity in same family of mixture distributions. Under this method, the likelihood of an inactive day and the amount of exercise in an active day are simultaneously modeled by a joint random effects model to incorporate heterogeneity across participants. If needed, the method has the flexibility to include an additional random effect to address extra variations in daily physical activity. Maximum likelihood estimation can be obtained through Gaussian quadrature technique, which is implemented conveniently in an R package GLMMadaptive. Method performances are examined using simulation studies. The method is applied to data from the Hispanic Community Health Study/Study of Latinos to examine the relationship between physical activity and BMI groups and within a participant the difference in physical activity between weekends and weekdays.
Time to first combined adverse cardiac event (composite of angina, acute coronary syndrome, cardiac revascularization, worsening New York Heart Association (NYHA) class, a reduction in EF, and cardiovascular death) was analyzed and adjusted using Cox proportional hazards regression. The hazard ratio for an adverse event with an abnormal ΔSV response (≤10mL) was 10.3 (95% confidence intervals 5.6-19.1, P<.0001).
Stroke volume assessment during SE is feasible and readily performed. It is simple, practical, and has incremental diagnostic and prognostic value when added to exercise regional wall-motion analysis.
Stroke volume assessment during SE is feasible and readily performed. It is simple, practical, and has incremental diagnostic and prognostic value when added to exercise regional wall-motion analysis.
To determine whether suicidal ideation or suicide attempts are linked to poor neurocognitive function among individuals with first-episode schizophrenia (FES).
We performed a cross-sectional study on 159 Chinese inpatients (M
=27.1years; 52.2% females) with minimal-treated FES and collected their suicidal history through interviews and medical records. Neurocognitive performance, psychopathology, and depressive symptoms were assessed using the MATRICS Consensus Cognitive Battery, the Positive and Negative Syndrome Scale, and the Calgary Depression Scale for Schizophrenia, respectively.
Approximately 1/10 FES inpatients had any suicide attempts, and more than 1/4 reported lifetime suicidal ideation. Inpatients with a suicide attempt or suicidal ideation scored significantly worse in the overall seven neurocognitive domains compared with those without past suicidal ideation or a suicide attempt. Linear regression suggested that suicide attempts were mainly associated with lower scores in working memory and speed of processing, after adjusting for education levels. The associations remained robust after further controlling for psychopathological and depressive symptoms.
First-episode schizophrenia patients with suicide attempts had more severely impaired neurocognitive performances in specific domains. Fundamental neurocognitive dysfunctions should be assessed, detected, and treated after their suicide risk assessments.
First-episode schizophrenia patients with suicide attempts had more severely impaired neurocognitive performances in specific domains. Fundamental neurocognitive dysfunctions should be assessed, detected, and treated after their suicide risk assessments.
To assess the agreement between cardiac output estimated by two-dimensional echocardiography and bioreactance methods at rest and during dobutamine stress test in heart failure patients with preserved left ventricular ejection fraction (HFpEF).
Hemodynamic measurements were assessed in 20 stable HFpEF patients (12 females; aged 61±7years) using echocardiography and bioreactance methods during rest and dobutamine stress test at increment dosages of 5, 10, 15, and 20μg/kg/min until maximal dose was achieved or symptoms and sign occurred, that is, chest pain, abnormal blood pressure elevation, breathlessness, ischemic changes, or arrhythmia.
Resting cardiac output and cardiac index estimated by bioreactance and echocardiography were not significantly different. At peak dobutamine stress test, cardiac output and cardiac index estimated by echocardiography and bioreactance were significantly different (7.06±1.43 vs 5.71±1.59L/min, P<.01; and 4.27±0.67 vs 3.43±0.87L/m
/min; P<.01) due to the significant differences in stroke volume. There was a strong positive relationship between cardiac outputs obtained by the two methods at peak dobutamine stress (r=.79, P<.01). The mean difference (lower and upper limits of agreement) between bioreactance and echocardiography cardiac outputs at rest and peak dobutamine stress was -0.45 (1.71 to -2.62)L/min and -1.35 (0.60 to -3.31)L/min, respectively.
Bioreactance and echocardiography methods provide different cardiac output values at rest and during stress thus cannot be used interchangeably. Ability to continuously monitor key hemodynamic variables such as cardiac output, stroke volume, and heart rate is the major advantage of bioreactance method.
Bioreactance and echocardiography methods provide different cardiac output values at rest and during stress thus cannot be used interchangeably. Ability to continuously monitor key hemodynamic variables such as cardiac output, stroke volume, and heart rate is the major advantage of bioreactance method.Recently developed accelerometer devices have been used in large epidemiological studies for continuous and objective monitoring of physical activities. Typically, physical movements are summarized as minutes in light, moderate, and vigorous physical activities in each wearing day. Because of preponderance of zeros, zero-inflated distributions have been used for modeling the daily moderate or higher levels of physical activity. Yet, these models do not fully account for variations in daily physical activity and cannot be extended to model weekly physical activity explicitly, while the weekly physical activity is considered as an indicator for a subject's average level of physical activity. https://www.selleckchem.com/products/pd-1-pd-l1-inhibitor-1.html To overcome these limitations, we propose to use a zero-inflated Poisson mixture distribution that can model daily and weekly physical activity in same family of mixture distributions. Under this method, the likelihood of an inactive day and the amount of exercise in an active day are simultaneously modeled by a joint random effects model to incorporate heterogeneity across participants. If needed, the method has the flexibility to include an additional random effect to address extra variations in daily physical activity. Maximum likelihood estimation can be obtained through Gaussian quadrature technique, which is implemented conveniently in an R package GLMMadaptive. Method performances are examined using simulation studies. The method is applied to data from the Hispanic Community Health Study/Study of Latinos to examine the relationship between physical activity and BMI groups and within a participant the difference in physical activity between weekends and weekdays.
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