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Background A recent increase in children admitted with hypotensive shock and fever in the context of the COVID-19 outbreak requires an urgent characterization and assessment of the involvement of SARS-CoV-2 infection. This is a case series performed at 4 academic tertiary care centers in Paris of all the children admitted to the pediatric intensive care unit (PICU) with shock, fever and suspected SARS-CoV-2 infection between April 15th and April 27th, 2020. Results 20 critically ill children admitted for shock had an acute myocarditis (left ventricular ejection fraction, 35% (25-55); troponin, 269 ng/mL (31-4607)), and arterial hypotension with mainly vasoplegic clinical presentation. The first symptoms before PICU admission were intense abdominal pain and fever for 6 days (1-10). All children had highly elevated C-reactive protein (> 94 mg/L) and procalcitonin (> 1.6 ng/mL) without microbial cause. At least one feature of Kawasaki disease was found in all children (fever, n = 20, skin rash, n = 10; conjunctiriate host immunological response is suspected. While underlying mechanisms remain unclear, further investigations are required to target an optimal treatment.Purpose of review Concomitant valve disease is common in patients undergoing continuous-flow left ventricular assist device (CF-LVAD) implantation. In this review, we characterize the epidemiology and management of aortic valve disease following CF-LVAD. Recent findings Studies suggest that 20-40% of patients have mild or greater aortic insufficiency (AI) at baseline and that AI progresses following CF-LVAD implantation. AI, either pre-existing or de novo, can have deleterious effects on LVAD efficacy and clinical outcomes. Surgical methods to correct AI in patients supported with CF-LVAD include central oversewing of the aortic valve, complete closure of the aortic valve, patch closure of the ventriculo-aortic junction, or aortic valve replacement with a bioprosthesis. Transcatheter options have recently emerged as feasible modalities to address AI. CF-LVADs contribute to the progression of aortic insufficiency (AI) and its development de novo. Prompt recognition, assessment, and treatment are important. Aortic valve repairs and replacements, now including TAVR, are the primary surgical methods to correct AI.Purpose of review To provide pathophysiological and clinical insights into the effects of sacubitril/valsartan on glomerular function. Recent findings Heart failure and glomerular dysfunction are closely intertwined. In addition to reduced heart failure hospitalization and all-cause mortality, patients treated with sacubitril/valsartan have a slower deterioration of glomerular filtration rate over time compared with angiotensin-converting enzyme inhibitors and angiotensin receptor blockers. The effects of sacubitril/valsartan are probably mediated through enhancement of natriuretic peptides, reduction of glomerular inflammation and fibrosis, and relaxation of mesangial cells and podocytes. Further studies will elucidate underlying pathophysiological mechanisms of sacubitril/valsartan on glomerular function and their prognostic significance in subjects with and without heart failure.Purpose of review Although the utilization of mechanical circulatory support (MCS) devices is increasing, ethical dilemmas regarding device deactivation and dying process persist, potentially complicating delivery of optimal and compassionate care at end-of-life (EOL). This review aims to study EOL challenges, left ventricular assist devices (LVADs) as a nuanced life support treatment, legal history in the US impacting EOL care, and suggestions to improve EOL care for patients on MCS support. Recent findings Recent studies have demonstrated challenging aspects of EOL care for patients on LVAD support low use of advanced directives, high rates of surrogate decision-making due to lack of patient capacity, difficult decision-making involving LVAD deactivation even with cooperating patients, and high rates of death in the hospital and ICU settings. Recent studies also suggest lack of consensus even among clinicians in approaching LVAD deactivation as beliefs equating LVAD deactivation with physician-assisted suicide and/or euthanasia remain. Optimal care at EOL will likely require collaborative efforts among multiple specialties, caregivers, and patients. In light of the complex medical, logistical, and ethical challenges in EOL care for LVAD patients, there is room for improvement by multidisciplinary efforts to reach consensus about LVAD deactivation and best practices for EOL care, development and implementation of LVAD-specific advance planning, and protocols for LVAD deactivation. Programmatic involvement of hospice and palliative care in the continuum of care of LVAD patients has the potential to increase and improve advance care planning, support surrogate decision-making, improve EOL compassionate care, and to support caregivers.Purpose Rheumatoid arthritis (RA) causes joint space narrowing (JSN) as a form of joint destruction. We developed an automatic system that can detect joint locations and compute the joint space difference index (JSDI), which was defined as the chronological change in JSN between two radiographs. This study aims to evaluate the application of "machine vision" for radiographic image of the finger joints. Materials and methods Fifteen RA patients with long-term sustained clinical low disease activity were recruited. All patients underwent hand radiography and power Doppler ultrasonography (PDUS). The JSN was evaluated using the Genant-modified Sharp scoring (GSS) method and the automatic system. Synovial vascularity (SV) was assessed quantitatively using ultrasonography. Results There were no significant differences in the JSDI between the joints with JSN and those without JSN on GSS (p = 0.052). The JSDI of the joints with SV was significantly higher than those without SV (p = 0.043). check details The JSDI of the no therapeutic response group was significantly higher than those of the response group (p less then 0.001). Conclusion Our software can automatically evaluate temporal changes of JSN, which might free rheumatologists / radiologists from the burden of scoring hand radiography.Objective To determine the ability of multidetector computed tomography (MPR-MDCT) to identify and classify the juxtapapillary duodenal diverticulum (JPDD), with ERCP findings as the gold standard. Methods We retrospectively reviewed all ERCP examinations (n 455) performed between January 2010 to December 2018 and selected 105 patients with JPDD as the inclusion criteria. Of those, 28 patients were excluded because of advanced pancreatic carcinoma, incomplete MDCT examinations and biliary catheter insertion. Finally, MDCT examinations of 77 patients with JPDD were assessed for the presence and type of JPDD. Results MPR-MDCT was able to identify 71 (92.2%) JPDD in 77 cases with 88.9% accuracy, 83.3% sensitivity, and 91.6% specificity in classifying the type of JPDD. MPR-MDCT performed best in determining type 1 JPDD, with accuracy of 95.4% compared with type 2 (83.3%) and type 3 (87.8%). There was no significant difference between age, gender, incidence of biliary stones and pancreatitis between each type of JPDD. No correlation of sizes with types of JPDD was found. Conclusions MPR-MDCT can accurately identify and classify JPDD. This information will be useful in determining the difficulty of ERCP.Aims To compare diabetes patients with hyperglycaemic hyperosmolar state (HHS), diabetic ketoacidosis (DKA), and patients without decompensation (ND). Methods In total, 500,973 patients with type 1 or type 2 diabetes of all ages registered in the diabetes patient follow-up (DPV) were included. Analysis was stratified by age (≤ / > 20 years) and by manifestation/follow-up. Patients were categorized into three groups HHS or DKA-during follow-up according to the most recent episode-or ND. Results At onset of diabetes, HHS criteria were met by 345 (68.4% T1D) and DKA by 9824 (97.6% T1D) patients. DKA patients had a lower BMI(-SDS) in both diabetes types compared to ND. HbA1c was higher in HHS/DKA. During follow-up, HHS occurred in 1451 (42.2% T1D) and DKA in 8389 patients (76.7% T1D). In paediatric T1D, HHS/DKA was associated with younger age, depression, and dyslipidemia. Pump usage was less frequent in DKA patients. In adult T1D/T2D subjects, metabolic control was worse in patients with HHS/DKA. HHS and DKA were also associated with excessive alcohol intake, dementia, stroke, chronic kidney disease, and depression. Conclusions HHS/DKA occurred mostly in T1D and younger patients. However, both also occurred in T2D, which is of great importance in the treatment of diabetes. Better education programmes are necessary to prevent decompensation and comorbidities.Background Recent clinical and animal studies have shown that renal denervation (RDN) improves insulin sensitivity and endothelial dysfunction. However, the specific mechanism remains incompletely understood. The purpose of this study is to investigate the effects of RDN on endothelial dysfunction of type 2 diabetes mellitus (T2DM) rat models with insulin resistance and to explore the underlying molecular mechanisms. Methods Male Sprague-Dawley rats were fed with or without high-fat diet allocated in different groups, combined with low-dose streptozotocin which induces a rat model to develop T2DM with insulin resistance. RDN was conducted 1 week after the rat models fully developed T2DM. The animals were sub-divided into four groups randomly control group (CON, n = 6), diabetic group (T2DM, n = 6), diabetic with sham surgery group (Sham, n = 6) and diabetic with RDN group (RDN, n = 6). Rats in all groups were studied at baseline, both preoperatively and 4 weeks after RDN, respectively. Western blot was used t, ACE2 activated p-AMPK and inhibited p-mTOR, thus promoting autophagy. Conclusions RDN may not only increase the expression of ACE2 in the vascular endothelium, but also can via ACE2 activate p-AMPK and inhibit p-mTOR, thus promoting autophagy and improving endothelial dysfunction.Introduction Cholecystokinin type 2 receptor (CCK2R), which mediates the action of gastrin and cholecystokinin (CCK), has been demonstrated to promote the proliferation of colorectal cancer (CRC). A number of studies showed that CCK2R overexpressed in gastric cancer and pancreatic cancer but few in CRC. The correlation between CCK2R expression and clinicopathological characteristics is also not clear. Methods This study investigated CCK2R expression in a wide range of cell lines and clinical CRC samples, and explored expression pattern and prognostic value of CCK2R in relation to clinicopathological parameters. The location and expression levels of CCK2R were measured by immunocytochemical (ICC), qRT-PCR and Western blot. The druggability and antineoplastic effects of CCK2R as a therapeutic target were investigated using an anti-CCK2R targeting recombinant toxin named rCCK8PE38 by CCK-8 assay. Results Compared with paracarcinoma tissues, tumor samples showed overexpression of CCK2R (p = 0.028) including both CRC tissue and plasma samples, with plasma detection showing a significant indication for CCK2R evaluation. Aberrant expression correlated significantly with histological type (p = 0.032) and p53 status (p less then 0.01), and patients with CCK2R overexpression had significantly lower disease-free survival. Application of rCCK8PE38 demonstrated the specificity and druggability of CCK2R as a therapeutic target, providing a strategy for clinical case screening of drugs targeting CCK2R. Conclusion This study highlighted the aberrant expression and clinical correlation of CCK2R and reveals its diagnostic, prognostic and treatment value in CRC. We hypothesize that CCK2R serve as a target for the diagnosis and treatment of this cancer.
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