Institution
Peking Union Medical College Hospital
Healthcare•Beijing, China•
About: Peking Union Medical College Hospital is a healthcare organization based out in Beijing, China. It is known for research contribution in the topics: Medicine & Population. The organization has 15996 authors who have published 16018 publications receiving 226505 citations.
Topics: Medicine, Population, Cancer, Lung cancer, Internal medicine
Papers published on a yearly basis
Papers
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TL;DR: In this paper, the intrapatient variability of 24-hour urinary free cortisol (UFC) was analyzed in patients with active Cushing's disease and assessed whether variability correlates with hypercortisolism severity.
Abstract: Summary Objective Twenty-four-hour urinary free cortisol (UFC) sampling is commonly used to evaluate Cushing’s syndrome. Because there are few data on UFC variability in patients with active Cushing’s disease, we analysed baseline UFC in a large patient cohort with moderate-to-severe Cushing’s disease and assessed whether variability correlates with hypercortisolism severity. These data will help clinicians establish the minimum number of UFC samples required to obtain reliable data. Design Observational study (enrolment phase of Phase III study). Methods Patients (n = 152) with persistent/recurrent or de novo Cushing’s disease and mean UFC (mUFC) ≥159ULN (normal: 30–145 nmol/24 h) were included. Mean UFC level was calculated from four 24-h urine samples collected over 2 weeks. Results Over 600 24-h UFC samples were analysed. The mUFC levels of samples 1 and 2 and samples 3 and 4 were 1000 nmol/ 24 h (SD 1872) and 940 nmol/24 h (SD 2148), respectively; intrapatient coefficient of variation (CV) was 38% for mUFC. The intrapatient CV using all four samples was 52% (95% CI: 48–56). The intrapatient CV was 51% (95% CI: 44–58) for samples 1 and 2, 49% (95% CI: 43–56) for samples 3 and 4 and 54% (95% CI: 49–59) for samples 1, 2 and 3. Variability in mUFC increased as UFC levels increased. There were no correlations between UFC and clinical features of hypercortisolism. Conclusions There is intrapatient variability of approximately 50% in 24-h UFC measurements, which is relevant to targets set to estimate any treatment effect. Analysing more than two 24-h collection periods in individual patients does not result in a relevant decrease in variability. Interestingly, UFC levels did not correlate with hypercortisolism severity.
106 citations
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TL;DR: This report reviews the significant biochemical, physiological and pathological studies of the key functions of TLRs in ACTDs and identifies several proteins in the TLR signaling pathways as potential therapeutic targets for the treatment of ACTDs.
106 citations
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TL;DR: In this in vitro study, rabbit MSCs culture indicated that the HAp/Ti nanocomposite biomaterial had good biocompatibility and bioactivity and show potential for the orthopaedic and dental applications.
Abstract: A nano hydroxyapatite (HAp) layer was coated on a roughen titanium surface by means of electrophoretic deposition with an acetic anhydride solvent system. The objectives of this current study are to investigate whether nano-HAp can improve mechanical strength at a lower sintering temperature and biocompatibility. Densification temperature was lowered from usual 1000 to 800 degrees C. The coating interfacial bonding strength, phase purity, microstructure, and biocompatibility were investigated. Degradation of HA phase was not detected in XRD. A porous TiO2 layer acts as a gradient coating layer with an intermediate thermal expansion coefficient between hydroxyapatite and titanium that reduces the thermal stress. From SEM image, the coating does not contain any crack. Mesenchymal stem cell (MSC) is the progenitor cell for various tissues in mature animals, which can improve integration of bone tissue into implant. In this in vitro study, rabbit MSCs culture indicated that the HAp/Ti nanocomposite biomaterial had good biocompatibility and bioactivity. Around materials and on its surface cell grew well with good morphology. Proliferation of the MSCs on the nano-HAp coating was higher than its micron counterpart in XTT assay. These properties show potential for the orthopaedic and dental applications.
106 citations
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University of Paris1, Wake Forest University2, Gandhi Medical College3, Max Super Speciality Hospital4, University of Adelaide5, McMaster University6, King Saud bin Abdulaziz University for Health Sciences7, Erasmus University Rotterdam8, Columbia University9, Pontifical Catholic University of Chile10, University of Toronto11, University of Melbourne12, Peking Union Medical College Hospital13, Shaare Zedek Medical Center14, Mayo Clinic15, University of Maryland, College Park16, University of Montpellier17, University of Ulsan18, Federal University of São Paulo19, Vrije Universiteit Brussel20, University of Maryland, Baltimore21, University of Manchester22, Paris 12 Val de Marne University23, University of the Witwatersrand24, Cedars-Sinai Medical Center25, University of Michigan26, University of Genoa27, Christian Medical College & Hospital28, Alexandra Hospital29, Monash University30, University of Lausanne31, Medical University of Vienna32, University of Oxford33, University of Amsterdam34, Mahidol University35, King's College London36, Guy's and St Thomas' NHS Foundation Trust37, Imperial College London38, Tata Memorial Hospital39
TL;DR: Using a Delphi process, an international panel of experts developed clinical practice statements on the respiratory management of COVID-19-related acute respiratory failure (C-ARF) in areas where evidence is absent or limited as discussed by the authors.
Abstract: Coronavirus disease 2019 (COVID-19) pandemic has caused unprecedented pressure on healthcare system globally. Lack of high-quality evidence on the respiratory management of COVID-19-related acute respiratory failure (C-ARF) has resulted in wide variation in clinical practice. Using a Delphi process, an international panel of 39 experts developed clinical practice statements on the respiratory management of C-ARF in areas where evidence is absent or limited. Agreement was defined as achieved when > 70% experts voted for a given option on the Likert scale statement or > 80% voted for a particular option in multiple-choice questions. Stability was assessed between the two concluding rounds for each statement, using the non-parametric Chi-square (χ2) test (p < 0·05 was considered as unstable). Agreement was achieved for 27 (73%) management strategies which were then used to develop expert clinical practice statements. Experts agreed that COVID-19-related acute respiratory distress syndrome (ARDS) is clinically similar to other forms of ARDS. The Delphi process yielded strong suggestions for use of systemic corticosteroids for critical COVID-19; awake self-proning to improve oxygenation and high flow nasal oxygen to potentially reduce tracheal intubation; non-invasive ventilation for patients with mixed hypoxemic-hypercapnic respiratory failure; tracheal intubation for poor mentation, hemodynamic instability or severe hypoxemia; closed suction systems; lung protective ventilation; prone ventilation (for 16–24 h per day) to improve oxygenation; neuromuscular blocking agents for patient-ventilator dyssynchrony; avoiding delay in extubation for the risk of reintubation; and similar timing of tracheostomy as in non-COVID-19 patients. There was no agreement on positive end expiratory pressure titration or the choice of personal protective equipment. Using a Delphi method, an agreement among experts was reached for 27 statements from which 20 expert clinical practice statements were derived on the respiratory management of C-ARF, addressing important decisions for patient management in areas where evidence is either absent or limited. Trial registration: The study was registered with Clinical trials.gov Identifier: NCT04534569.
105 citations
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TL;DR: Embryo vitrification aggravated the loss of methylation in the H19/Igf2 DMD, and compensated for the perturbed expression of H19 by IVF procedures.
105 citations
Authors
Showing all 16286 results
Name | H-index | Papers | Citations |
---|---|---|---|
Feng Zhang | 172 | 1278 | 181865 |
Jian Li | 133 | 2863 | 87131 |
Shuai Liu | 129 | 1095 | 80823 |
Jun Yu | 121 | 1174 | 81186 |
Edward M. Brown | 111 | 489 | 44630 |
Qian Wang | 108 | 2148 | 65557 |
Ming Li | 103 | 1669 | 62672 |
Tao Li | 102 | 2483 | 60947 |
Masatoshi Kudo | 100 | 1324 | 53482 |
Christophe Tzourio | 98 | 475 | 53680 |
Yang Xin Fu | 97 | 390 | 33526 |
Michael Q. Zhang | 93 | 378 | 42008 |
Xiang Gao | 92 | 1359 | 42047 |
Jun Li | 90 | 339 | 61485 |
Honglei Chen | 80 | 207 | 83906 |