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Articles by Tim Xu
Identification of the tendon/ligament stem cell in mice and humans
Keywords stem cell tendon ligamentum flavum lumbar spinal stenosis ligament orthopedics NFAT Get full text access Log in, subscribe or purchase for full access. References 1. Katz, J.N. ∙ Zimmerman, Z.E. ∙ Mass, H. ... Diagnosis and Management of Lumbar Spinal Stenosis: A Review JAMA. 2022; 327:1688-1699 2. Beamer, Y.B. ∙ Garner, J.T. ∙ Shelden, C.H. Hypertrophied ligamentum flavum: clinical and surgical significance Arch. Surg. 1973; 106:289-292 3. Altun, I.
mosGraphFlow: a novel integrative graph AI model mining disease targets from multi-omic data
Abstract Multi-omic data can better characterize complex cellular signaling pathways from multiple views compared to individual omic data. However, integrating multi-omic data to rank key disease biomarkers and infer core signaling pathways remains an open problem. Compared to other AI models, graph AI can integrate multi-omic data with large-scale signaling networks and rank biomarkers and signaling interactions using attention mechanisms.
These Are The 3 Essential Talent Traits For The Next Decade
The talent model that has ruled over large companies for decades is losing relevance in a rapidly changing global economy. Organizations that lean into this transition will have an advantage over those that don’t. Since at least the early 1990s, free trade and open markets allowed companies to move people and resources across borders with increasing ease.
Markups on Emergency Medicine and Anesthesiology Services in the United States From 2012 to 2016
Hospitals send surprise medical bills to patients who, often unknowingly, receive care from an out-of-network physician; these bills are typically several times the cost of care from an in-network physician and can be financially devastating.1,2 Prior research has shown that hospital charge master prices, specifically the “markups” greater than Medicare reimbursement rates in medical bills for out-of-network care,1 vary widely across hospitals and departments within hospitals.
Rates of infection after colonoscopy and osophagogastroduodenoscopy in ambulatory surgery centres in the USA
Objective Over 15 million colonoscopies and 7 million osophagogastroduodenoscopies (OGDs) are performed annually in the USA. We aimed to estimate the rates of infections after colonoscopy and OGD performed in ambulatory surgery centres (ASCs). Design We identified colonoscopy and OGD procedures performed at ASCs in 2014 all-payer claims data from six states in the USA. Screening mammography, prostate cancer screening, bronchoscopy and cystoscopy procedures were comparators.
Rates of infection after colonoscopy and osophagogastroduodenoscopy in ambulatory surgery centres in the USA
Objective Over 15 million colonoscopies and 7 million osophagogastroduodenoscopies (OGDs) are performed annually in the USA. We aimed to estimate the rates of infections after colonoscopy and OGD performed in ambulatory surgery centres (ASCs). Design We identified colonoscopy and OGD procedures performed at ASCs in 2014 all-payer claims data from six states in the USA. Screening mammography, prostate cancer screening, bronchoscopy and cystoscopy procedures were comparators.
Services Provided By Internal Medicine Physicians Compared With Emergency Physicians: Flawed Data—Reply
In Reply We thank Dr Parker for her comments on our study.1 We acknowledge that emergency departments (EDs) face financial pressures in caring for some of the sickest patients. As the safety net, they shoulder a significant burden of uncompensated care.
Overtreatment in the United States
Citation: Lyu H, Xu T, Brotman D, Mayer-Blackwell B, Cooper M, Daniel M, et al. (2017) Overtreatment in the United States. PLoS ONE 12(9): e0181970. https://doi.org/10.1371/journal.pone.0181970 Copyright: © 2017 Lyu et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Variation in Emergency Department vs Internal Medicine Excess Charges in the United States
Question How do emergency departments set chargemaster prices for services, and how do these practices affect patients? Findings In this analysis of Medicare billing records from 2707 US hospitals in 2013, different emergency departments charged between 1.0 and 12.6 times what Medicare paid for the services. Excess charges, or “markups,” on specific services were greater when performed by an emergency medicine physician compared with an internal medicine physician.
Sleep deprivation and starvation in hospitalised patients: how medical care can harm patients
Sleep deprivation and starvation in hospitalised patients: how medical care can harm patients
Video transparency: a powerful tool for patient safety and quality improvement
Transparency can be a powerful driver of better healthcare quality.1 In 2013, it was proposed that recording video data in healthcare begin with the several medical procedures that are already video based (cardiac stent placement, arthroscopic surgery, colonoscopy, etc).1 Different from the past era when recording required new hardware, most of the procedures performed in medicine today are now mediated by video, enabling a new opportunity for learning health systems.2 ,3 Some hospitals, like...
Can video recording revolutionise medical quality?
In June 2015, a man living in Virginia returned home from a routine colonoscopy to discover a big surprise. Hoping to record the instructions he received from medical staff, the patient had actually recorded the entire procedure on his phone.
The Potential Hazards of Hospital Consolidation: Implications for Quality, Access, and Price
The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity.
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