Publications by authors named "Michael Luo"

Background: The 1-3-7 approach to eliminate malaria was first implemented in China in 2012. It has since been expanded to multiple countries, but no systematic review has examined the evidence for its use. A systematic review was conducted aiming to evaluate the impact and effectiveness of the strategy and identify key challenges and variations in its implementation across different countries.

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  • The study investigates the effectiveness of various surgical techniques for anterior cruciate ligament (ACL) reconstruction, focusing on optimal return to sport (RTS) outcomes among 191 patients over two years.
  • Results show that double-bundle reconstruction (DBR) and central-axial single-bundle reconstruction (CASBR) significantly outperformed anatomical single-bundle reconstruction (ASBR) in terms of RTS rates and knee stability metrics.
  • Key factors contributing to successful RTS included quadriceps strength symmetry and the status of the graft, with DBR also demonstrating superior scores in clinical assessments and knee function tests.
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With the rapid progress in Natural Language Processing (NLP), Pre-trained Language Models (PLM) such as BERT, BioBERT, and ChatGPT have shown great potential in various medical NLP tasks. This paper surveys the cutting-edge achievements in applying PLMs to various medical NLP tasks. Specifically, we first brief PLMS and outline the research of PLMs in medicine.

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The existence of neural stem cells (NSCs) in adult human brain neurogenic regions remains unresolved. To address this, we created a cell atlas of the adult human subventricular zone (SVZ) derived from fresh neurosurgical samples using single-cell transcriptomics. We discovered 2 adult radial glia (RG)-like populations, aRG1 and aRG2.

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  • * Participants used one of four hearing apps in controlled conditions and then three times at home, revealing strong correlations with PTA results for two of the apps.
  • * Most participants found the apps easy to use, and a significant percentage expressed a willingness to use them for ongoing hearing monitoring, suggesting that smartphone audiometry can be a viable remote assessment tool.
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Purpose: In July 2022, the World Health Organization (WHO) declared monkeypox virus's global spread a "public health emergency of international concern." About a quarter of monkeypox cases feature ophthalmic symptoms. We assessed trends in worldwide search interest in monkeypox ophthalmic involvement and inclusion in online search engine queries.

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Objective: There is a paucity of research examining patient experiences of cochlear implants. We sought to use natural language processing methods to explore patient experiences and concerns in the online cochlear implant (CI) community.

Materials And Methods: Cross-sectional study of posts on the online Reddit r/CochlearImplants forum from 1 March 2015 to 11 November 2021.

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An outstanding challenge in the clinical care of cancer is moving from a one-size-fits-all approach that relies on population-level statistics towards personalized therapeutic design. Mathematical modeling is a powerful tool in treatment personalization, as it allows for the incorporation of patient-specific data so that treatment can be tailor-designed to the individual. Herein, we work with a mathematical model of murine cancer immunotherapy that has been previously-validated against the average of an experimental dataset.

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Heart failure (HF) is an uncommon complication after TIPS placement; its development represents a poor prognostic factor. The purpose of our study was to evaluate the frequency, risk factors, and association with survival of HF developing within 90 days after TIPS placement in patients with cirrhosis. This retrospective single-center study included patients with cirrhosis who underwent nonemergent covered-stent TIPS placement from June 2003 to December 2018 and who underwent echocardiography within 2 months before TIPS placement and had at least 90 days of post-TIPS follow-up.

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  • The study evaluates the outcomes of using lumen-apposing covered self-expanding metallic stents (LAMS) for treating symptomatic pancreatic fluid collections (PFC) through imaging methods like CT and MRI.
  • It included 28 patients, primarily with walled-off necrosis, and found a 96% success rate in both stent placement and resolution of fluid collections, with minimal recurrence after stent removal.
  • The research highlights that while LAMS are effective, there are notable complications (36%), and understanding these can aid in better patient management by healthcare professionals.
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Epithelial-mesenchymal transition (EMT), the conversion between rigid epithelial cells and motile mesenchymal cells, is a reversible cellular process involved in tumorigenesis, metastasis, and chemoresistance. Numerous studies have found that several types of tumor cells show a high degree of cell-to-cell heterogeneity in terms of their gene expression signatures and cellular phenotypes related to EMT. Recently, the prevalence and importance of partial or intermediate EMT states have been reported.

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Clonal hematopoiesis (CH) of indeterminate potential (CHIP), defined as the presence of a somatic mutation in the peripheral blood at a variant allele frequency (VAF) ≥2%, affects at least 10% of individuals older than 65, but low-VAF clones can be detected in 95% of individuals older than 50. CHIP associates with a wide range of comorbidities from atherosclerosis to pulmonary disease. A growing body of evidence, primarily from studies involving Tet2-knockout and stem cell transplant models of CH, suggest that dysregulated inflammation contributes to clonal expansion and associated comorbidities.

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Purpose: To describe the implementation and efficacy of electronic capture of interventional radiology (IR) group peer review performed during morning rounds in an academic institution.

Materials And Methods: Peer-review submissions 24 months before (July 2012 through June 2014) and 24 months after (July 2014 through June 2016) implementation of an electronic group IR peer review were evaluated. Electronic IR peer review assessed clinical decision-making, patient care, and technique appropriateness by using the following responses: agree, acceptable alternative, or inappropriate.

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  • The study compares the effectiveness of free-text reporting versus structured reporting in Interventional Radiology (IR) procedures regarding report quality and coding efficiency.
  • Researchers analyzed 432 free-text reports and 415 structured reports to evaluate attributes like detail and clarity, as well as compliance with regulatory requirements.
  • Results showed that structured reporting significantly improved compliance rates for documentation and was preferred by both IR physicians and referring doctors for its efficiency and clarity.
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PSI software adjusts preoperative planning to accommodate differences in implant design. Such adjustments may influence the accuracy of intraoperative jig placement, bone resection, or component placement. Our purpose was to determine whether implant design influences PSI accuracy.

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Purpose: The purpose of this study was to evaluate clinical, functional, and radiographic outcomes following total knee arthroplasty (TKA) performed with patient-specific instrumentation (PSI), computer-assisted surgery (CAS), and manual instruments at short-term follow-up.

Methods: 122 TKAs were performed by a single surgeon: 42 with PSI, 38 with CAS, and 40 with manual instrumentation. Preoperative, 1-month, and 6-month clinical and functional outcomes were measured using the Knee Society scoring system (knee score, function score, range of motion, and pain score).

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The purpose of this study was to determine whether differences in clinical, functional, or radiographic outcomes existed at 5-year follow-up between patients who underwent computer-assisted or manual total knee arthroplasty (TKA). Seventy-eight consecutive TKAs were performed by a single surgeon who had extensive experience performing computer-assisted and manual TKA. The manual group (n=40) and computer-assisted group (n=38) were similar with regard to age, sex, diagnosis, body mass index, surgical technique, implants, perioperative management, Knee Society scores, and anteroposterior mechanical axis.

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Introduction: Patient-specific guides (PSG) and computer-assisted navigation (CAN) are technologies that have been developed to improve the accuracy and reproducibility of total knee arthroplasty (TKA). The purpose of this study is to compare the methodology by which a PSG system and an intraoperative navigation system (CAN) perform an anatomical registration and correctly predict femoral component size in TKA.

Methods: One hundred and eleven PSG TKA were performed, 30 of which were concurrently evaluated with CAN.

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Carbon-11-labeled tariquidar derivatives were first designed and synthesized as new PET agents for imaging of breast cancer resistance protein. The target tracers were prepared by O-[(11)C]methylation of their corresponding acid precursors using [(11)C]CH3OTf under basic conditions and isolated by a simplified solid-phase extraction (SPE) method in 50-60% radiochemical yields based on [(11)C]CO(2) and decay corrected to end of bombardment (EOB). The overall synthesis time from EOB was 15-20 min, the radiochemical purity was >99%, and the specific activity at end of synthesis (EOS) was 111-185 GBq/micromol.

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