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Steen Jensby posted an update 1 week, 2 days ago
74 per mm/mmHg increase, P<0.001, C-Statistic 0.778), followed by TAPSE x pACT (HR 0.95 per 10cm·ms increase, P=0.013, C-Statistic 0.776), TAPSE/TRV (HR 0.76 per ms increase, P<0.001, C-Statistic 0.774) and TAPSE (HR 0.91 per mm increase, P=0.003, C-Statistic 0.769). Cutoff values of 140cm·ms and 5.5ms were respectively identified for TAPSE x pACT and TAPSE/TRV with receiving operating characteristic analysis for mortality.
TAPSE x pACT product and TAPSE/TRV ratio are alternative measures of RVPAC for prognostic assessment in heart failure that can be applied if TAPSE/SPAP is not feasible.
TAPSE x pACT product and TAPSE/TRV ratio are alternative measures of RVPAC for prognostic assessment in heart failure that can be applied if TAPSE/SPAP is not feasible.
Collagen disease is an important cause of aortic regurgitation (AR). Although aortic valve surgery is recommended for patients with AR and depressed left ventricular (LV) function, there have been few reports about risk factors for LV dysfunction in patients with AR concomitant with collagen disease.
We conducted this study at Kumamoto University Hospital in Japan. A total of 41 patients who had moderate to severe AR and concomitant collagen disease between January 2014 and December 2019 were enrolled. With regard to baseline characteristics, there were no significant differences in the type of collagen disease or El Khoury class between patients with preserved LV function and those with reduced LV function. B-type natriuretic peptide (375.2 [257.9-3852.6]pg/ml vs. 64.0 [33.3-133.6]pg/ml, p<0.01), C-reactive protein (CRP) levels (2.00 [1.24-9.14]mg/dl vs. 0.19 [0.06-0.52]mg/dl, p<0.01) and neutrophil-to-lymphocyte ratio (7.94 [3.30-9.98] vs. 3.94 [1.83-5.58], p<0.05) were significantly higher, and hemoglobin level (10.7±1.6g/dl vs. 12.2±1.8g/dl, p<0.05) was significantly lower in patients with reduced LV function than in those with preserved LV function. Bromopyruvic order There were no significant differences in any variables associated with severity and features of AR. Multivariable logistic regression analysis showed that high CRP levels (≥1.0mg/dl) were independently and significantly associated with LV dysfunction in patients with AR and collagen disease, even after adjusting for the severity of AR (odds ratio 95.7; 95% confidence interval 4.6-1990.4, p<0.01).
Uncontrolled inflammation, represented as high CRP levels, is an important marker for LV dysfunction in patients with AR and collagen disease.
Uncontrolled inflammation, represented as high CRP levels, is an important marker for LV dysfunction in patients with AR and collagen disease.
Renin-angiotensin system (RAS) inhibitors are recommended postoperatively to coronary artery bypass grafting (CABG) patients with reduced left ventricular function, diabetes, hypertension or previous myocardial infarction, but not to remaining patients. The aim of the study was to assess the long-term utilization of RAS inhibitors after CABG in patients with and without indication for treatment, and its association with outcome.
All patients (n=28,782) not meeting exclusion criterion in Sweden who underwent isolated first time CABG from 2006 to 2015 were included using nationwide registries. The association between treatment and outcome was assessed using adjusted Cox regression models with time-updated data on medications. The primary outcome was major adverse cardiovascular events (MACE), defined as all-cause mortality, stroke and/or myocardial infarction.
At baseline 26,284 (91.3%) of the patients had at least one indication for RAS inhibition while 2498 (8.7%) had not. RAS inhibitors were dispensed rm this hypothesis.We study the dynamic growth behaviors of Bacillus subtilis biofilms by using a stochastic delay differential equation similar to the Mackey-Glass equation. We observe a wealth of dynamic behavior from a mathematical perspective. Firstly, the change of the time delay (i.e. the time that the growth state of the periphery to affect the stress of the interior cells needs and the time required for the stress signal coming from the interior to reach the peripheral cells) and the external excitation (i.e. the change in temperature) frequency will influence the size of Bacillus subtilis biofilm and the collective growth of the cell community. We also found the resonance phenomena in mathematics, which is of great help in understanding the behavior of stress levels in the biofilm periphery. Secondly, the direction of the Hopf bifurcation and the stability of the bifurcating periodic solutions are derived by using the normal form theory and the center manifold reduction. Numerical simulations are carried out to ensure theoretical results. Finally, the effects of noise on stress levels in the biofilm periphery are analyzed and reveal more complex dynamics of the system.Mitochondria-targeted mild-temperature photothermal therapy (MT-PTT) is a promising strategy that can maximize anticancer effects and reduce adverse reactions. Here, a novel photosensitizer with mitochondrial targeting based on IR780 iodide and heat shock protein 90 inhibitor (BIIB021), which can passively accumulate in MCF-7 cells and achieve effective MT-PTT effect is synthesized. The prepared PEG-IR780-BIIB021 nano-micelles possess considerable biocompatibility and biological stability, with an encapsulation efficiency of about 84% for BIIB021. They can selectively enrich in mitochondria, and release BIIB021 after NIR irradiation to reduce cell tolerance to heat, thereby reducing the mitochondrial membrane potential and rapidly affecting key intrinsic apoptotic factors (Cyt-C, Caspase-9, Bcl-2 and Bax) to achieve the effect of MT-PTT. It is believed that mitochondria-targeted MT-PTT generated by the PEG-IR780-BIIB021 nano-micelles is a promising therapeutic strategy in clinical practice.
This study aimed to assess the effect of different types of endurance training during outpatient cardiac rehabilitation on patients’ health-related quality of life (HRQL).
The MacNew Heart Disease HRQL questionnaire and the Hospital Anxiety and Depression Scale were used to assess changes in HRQL in 66 patients before and after 6 weeks of cardiac rehabilitation. Patients were randomized to 1 of 3 types of supervised endurance training continuous endurance training, high-intensity interval training, and pyramid training. Two-way analysis of variance for repeated measure and chi-square test were used to analyze changes before and after rehabilitation.
Attendance rate during the 6 weeks of exercise training was 99.2%. Physical work capacity increased from 136.1 to 165.5 watts (+22.9%; P < .001), and there were no statistical differences between training protocols. Fully completed questionnaires at both time points were available in 46 patients (73.9%; 61.3±11.6 years, 34 males, 12 females). Regardless of the type of supervised endurance training, there was significant improvement during rehabilitation in each of the categories of the MacNew questionnaire (ie, emotion, physical, social, global; all P < .