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- Lumbar fusion and lumbar disk replacement (LDR) are common surgical options for chronic low back pain, but this study focused on comparing their postoperative management costs over two years.
- A total of 1,660 patients were studied, revealing that the average cost for postoperative care was approximately $2,832 per patient, with similar costs for both procedures.
- The main cost driver was physical therapy, highlighting that while LDR may have a shorter recovery, it does not significantly reduce long-term healthcare expenses compared to lumbar fusion.
Background: The purpose of this study was to evaluate the performance and evolution of Chat Generative Pre-Trained Transformer (ChatGPT; OpenAI) as a resource for shoulder and elbow surgery information by assessing its accuracy on the American Academy of Orthopaedic Surgeons shoulder-elbow self-assessment questions. We hypothesized that both ChatGPT models would demonstrate proficiency and that there would be significant improvement with progressive iterations.
Materials And Methods: A total of 200 questions were selected from the 2019 and 2021 American Academy of Orthopaedic Surgeons shoulder-elbow self-assessment questions.
Tooth replacement of the filter-feeding pterosaur Forfexopterus and its implications for ecological adaptation.
An Acad Bras Cienc
January 2025
Shandong University of Science and Technology, College of Earth Science and Engineering, 579, Qianwangang Road, Huangdao, Qingdao, Shandong Province, 266590, China.
A "comb-dentition", characterized by long, needle-like, and closely-spaced teeth, is found in the ctenochasmatid pterosaurs as an adaptation for filter-feeding. However, little is known about their tooth replacement pattern, hindering our understanding of the development of the filter-feeding apparatus of the clade. Here, we describe the tooth replacement of the pterosaur Forfexopterus from the Jehol Biota based on high-resolution X-ray Computed Tomography (CT) reconstruction.
View Article and Find Full Text PDFStrategies and Prospects for Engineering a Stable Zn Metal Battery: Cathode, Anode, and Electrolyte Perspectives.
Acc Chem Res
January 2025
Department of Chemistry, Shanghai Key Laboratory of Catalysis and Innovative Materials, Center of Chemistry for Energy Materials Shanghai, Fudan University, Shanghai 200433, PR China.
ConspectusZinc metal batteries (ZMBs) appear to be promising candidates to replace lithium-ion batteries owing to their higher safety and lower cost. Moreover, natural reserves of Zn are abundant, being approximately 300 times greater than those of Li. However, there are some typical issues impeding the wide application of ZMBs.
View Article and Find Full Text PDFArticle Synopsis
- Smoking is a significant public health issue in Tamil Nadu, causing preventable diseases and increasing healthcare costs, necessitating effective smoking cessation strategies in primary health care (PHC) settings.
- The study aims to evaluate the cost-effectiveness of three proposed smoking cessation strategies against the current standard strategy, focusing on various combinations of counseling, nicotine replacement therapy, and medications for smokers aged 15 and older.
- Results indicated that the current cessation strategy was more expensive than the proposed strategies, with two of them (PS1 and PS3) being more cost-effective, potentially leading to better resource allocation for smoking cessation efforts.
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