Possible Superconductivity Transition in Nitrogen-Doped Lutetium Hydride Observed at Megabar Pressure.

The pursuit of room-temperature superconductivity at an accessible synthetic pressure has been a long-held dream for both theoretical and experimental physicists. Recently, a controversial report by Dasenbrock-Gammon et al. claims that the nitrogen-doped lutetium trihydride exhibits room-temperature superconductivity at near-ambient pressure.

Diversity in the US Academic Microsurgery Pathway.

Although the representation of women and ethnic minority students in the US medical schools has recently increased, discrepancies in representation among plastic surgery residents and faculty continue. The state of sex and ethnic diversity in academic microsurgery remains minimally investigated. We aimed to evaluate the sex, race, and ethnicity demographics among academic microsurgeons and identify underrepresentation along the leadership pathway.

Hand and Wrist Dog-Leash Injuries in the Outpatient Setting: A Review of 443 Cases.

Background: Injuries sustained from dog leashes often result in visits to hand surgeons. This study presents an analysis of dog-leash-related upper-extremity injuries at a single orthopedic practice, including treatment options for these injuries, and guidance for prevention.

Methods: We identified all outpatients who presented to a hand surgeon at a single institution from 2016 to 2021 following an upper-extremity injury related to a dog leash.

Wound Gel Formulations Containing Poloxamer 407 and Polyhexanide Have Antimicrobial and Antibiofilm Activity Against Wound-Associated Microbial Pathogens.

Chronic wounds are often caused or exacerbated by microbial biofilms that are highly resistant to antimicrobial treatments and that prevent healing. This study compared the antimicrobial and antibiofilm activity of nine topical wound treatments, comprising gels with different concentrations of poloxamer 407 (20-26%) and different pH levels (4-6) and containing polyhexanide (PHMB) as an antimicrobial agent; the effects of pH on wound gels containing this agent have not been previously reported. The wound gel formulations were tested against six common wound-associated microbial pathogens: , , , , , and .

Insights Into the Epidemiology of Peripheral Nerve Injuries in the United States: Systematic Review.

Background: Peripheral nerve injuries (PNI) range from mild neurapraxia to severe transection, leading to significant morbidity. Despite their impact, the societal implications of PNI in the United States are not well understood. This study aims to systematically review the literature on PNI epidemiology in the United States.

Quality, Reliability, and Readability of Peripheral Nerve Intervention Websites for Patients.

Background: This study aims to evaluate the readability, quality, and reliability of online resources about peripheral nerve surgeries to determine if they meet recommended literacy standards.

Methods: We analyzed a total of 137 peripheral nerve surgery website by performing a Google search using the search terms "nerve transfer," "nerve repair," "nerve graft," "nerve decompression," "neurolysis," "targeted muscle reinnervation," "regenerative peripheral nerve interface," and "vascularized denervated muscle target." The reading level of the website text was assessed using Simple Measures of Gobbledygook, Flesch-Kincaid, and Gunning Fog.

Structural, Mechanical, and Optical Properties of Laminate-Type Thin Film SWCNT/SiON Composites.

The development of new encapsulating coatings for flexible solar cells (SCs) can help address the complex problem of the short lifespan of these devices, as well as optimize the technological process of their production. In this study, new laminate-type protective composite coatings were prepared using a silicon oxynitride thin-film matrix obtained by curing the pre-ceramic polymer perhydropolysilazane (PHPS) through two low-temperature methods: (i) thermal annealing at 180 °C and (ii) exposure to UV radiation at wavelengths of 185 and 254 nm. Single-walled carbon nanotubes (SWCNTs) were used as fillers via dry transfer, facilitating their horizontal orientation within the matrix.

Electropolymerization of a New Diketopyrrollopyrrole Derivative into Inherent Chiral Polymer Films.

Electropolymerization is a convenient way to obtain conducting polymers (CPs) directly adhered to an electrode surface. CPs are well-known for their various application fields in photovoltaic cells, chemical sensors, and electronics. By implementing chirality into a CP, the application possibilities will spread further onto chiral sensors or optoelectronics.

Exploring the Utility of Carpal Tunnel Biopsy in Amyloidosis: A Current Perspective.

Recent literature has emphasized the role of hand surgeons in screening patients with carpal tunnel syndrome (CTS) for amyloidosis by performing a carpal tunnel synovial biopsy during open carpal tunnel release (CTR). This has led to misconceptions about the diagnostic utility of synovial biopsy and the clinical evaluation of suspected amyloidosis. Controversy over carpal tunnel biopsy is exacerbated by minimally invasive advances in CTR procedures.

Treatment Options for Coronal Plane Fractures of the Lunate in Kienböck Disease.

Introduction: The treatment for Kienböck disease varies widely based on the status of the lunate. To date, there is no consensus regarding the optimal treatment for patients with coronal plane fractures of the lunate, or Lichtman Stage IIIC. Therefore, the purpose of this study was to assess whether coronal plane fractures of the lunate in Kienböck disease healed after surgical intervention, and to determine the outcomes after surgical fixation of the lunate compared with treatment with salvage procedures.

Cold Intolerance Following Digital Nerve Injury: A Multicenter Prospective Randomized Comparison of Decellularized Nerve Allograft Versus Nerve Conduits.

Background: Cold intolerance following digital nerve injury burdens patients significantly. To better understand how cold intolerance evolves in the setting of digital nerve injuries, a sub-analysis of a trial comparing conduit-based (CONDUIT) and processed nerve allograft (PNA) repairs was conducted. It was hypothesized that PNA repairs would alleviate cold intolerance more effectively, especially for longer nerve gaps.

Credit and blame for AI-generated content: Effects of personalization in four countries.

Generative artificial intelligence (AI) raises ethical questions concerning moral and legal responsibility-specifically, the attributions of credit and blame for AI-generated content. For example, if a human invests minimal skill or effort to produce a beneficial output with an AI tool, can the human still take credit? How does the answer change if the AI has been personalized (i.e.

The Small Finger Reverse Ulnar Digital Artery Hypothenar Palmar Perforator Flap: An Anatomical Study With Clinical Examples.

Background: Local flaps are commonly used for reconstruction of digital soft-tissue defects. There remains a paucity of options available for small finger volar and dorsal soft-tissue defects distal to the proximal interphalangeal joint. The purpose of this study was to analyze perforators along the hypothenar palmar region arising from the artery of the ulnar side of the small finger as it comes off the superficial palmar arch for consistency and potential to be used for perforator-based flap reconstruction of soft-tissue defects and joint coverage of the small finger.

Causality-aware Social Recommender System with Network Homophily Informed Multi-treatment Confounders.

Typical recommender systems utilize observed ratings of users as inputs to learn their preferences and aim to output recommendations of new items that users will like by predicting their potential ratings. The real world is driven by causality given that whether or not a user is made exposed to the item may significantly affect the rating. While some recent methods have taken a causal view to mitigate the confounding bias in observed rating data, few have recognized recommendation as a multiple causal inference problem that concerns numerous items simultaneously in practice.

Substantial Improvement in a Patient with Subacute Sclerosing Panencephalitis: An Unusual Case Report.

Background: Subacute Sclerosing Panencephalitis (SSPE) is a fatal disorder marked by gradual cognitive and motor deterioration, leading to death typically within 1-3 years.

Case Report: A 20-year-old woman with progressive abnormal behaviour, forgetfulness, and involuntary movements showed significant improvement after treatment with interferon and isoprinosine. Initially severely cognitively impaired and dependent, she regained independence and demonstrated marked cognitive enhancement, her MMSE improved from 15 to 28 and reduced myoclonus.

A 2-Stage 6 Toe-to-Hand Transfer for the Reconstruction of Bilateral Digitless Hands.

Reconstruction of metacarpal hands remains a challenging problem for hand surgeons. In this case report, we present a middle-aged female patient with bilateral Wei Type IIB metacarpal hands secondary to severe burn injuries following a motor vehicle accident. The patient underwent a 2-stage reconstruction with big, second, and third toes transfer in each hand to restore tripod pinch.

Discharge Pain Medications: Do They Affect 6-Month Patient-Reported Outcomes After Operative Treatment of CMC Arthritis?

Background: The purpose of this study is to analyze the relationship between discharge opioids after operative treatment of carpometacarpal (CMC) arthritis and patient-reported outcomes (PROs) over a 6-month episode of care.

Methods: A total of 172 patients met inclusion criteria for this study. Patient-reported outcomes including patient-reported wrist/hand evaluation (PRWHE), single assessment numeric evaluation, and PRO measurement information system (PROMIS) global-10 questionnaires were collected prospectively and stored in an electronic data capture system until review for the purpose of this study.

Outcomes of Proximal Row Carpectomy With Interposition Arthroplasty for Advanced Wrist Arthritis.

Background: This study aimed to evaluate and compare the outcomes of proximal row carpectomy (PRC) with interposition arthroplasty using dorsal wrist capsule interposition, lateral meniscus allograft, or dermal allograft in patients with lunate facet/capitate degeneration.

Methods: Patients who underwent PRC with interposition arthroplasty between 2010 and 2022 at a single institution were identified. Preoperative and postoperative visual analog scale (VAS) pain, functional outcomes, and complications were recorded.

Grain Quality of Panicle Portions in Chalky and Low-Chalky Rice Cultivars.

Carbohydrate stress reduces grain size and head rice percentage and increases the chalkiness in rice. This study aims to compare low and high-quality cultivars for their milled rice and chalky grain percentages, as well as grain size, in the top, middle, and bottom panicle portions. Low-chalky and chalky long-grain rice cultivars were grown at Beaumont in 2019 and 2022.

Identification of the Cold-Related Genes COLD11 and OsCTS11 via BSA-seq and Fine Mapping at the Rice Seedling Stage.

Cold stress has a significantly negative effect on the growth, development, and yield of rice. However, the genetic basis for the differences in the cold tolerance of Xian/indica and Geng/japonica rice seedlings is still largely unknown. In this study, an RIL population was generated by crossing of the cold-tolerant japonica variety Nipponbare and the cold-sensitive indica variety WD16343 for BSA-seq analysis, and a major cold tolerance QTL qCTS11 was identified on chromosome 11.

The impact of retrotransposons on zygotic genome activation and the chromatin landscape of early embryos.

In mammals, fertilization is followed by extensive reprogramming and reorganization of the chromatin accompanying the transcriptional activation of the embryo. This reprogramming results in blastomeres with the ability to give rise to all cell types and a complete organism, including extra-embryonic tissues, and is known as totipotency. Transcriptional activation occurs in a process known as zygotic genome activation (ZGA) and is tightly linked to the expression of transposable elements, including endogenous retroviruses (ERVs) such as endogenous retrovirus with leucine tRNA primer (ERVL).

Hospital readmissions reduction program penalizes safety net hospital clinicians.

Objective: The Hospital Readmissions Reduction Program (HRRP), started under the Patient Protection and Affordable Care Act and administered by the Centers for Medicare and Medicaid Services, was created with the intention to improve healthcare quality and costs. However, research on disparities in healthcare demonstrates the HRRP's protocolized risk-adjustment calculations neglect social factors, which consequently harms disadvantaged patient populations and unfairly contributes to clinician and hospital penalties.

Methods: A PRISMA literature review was conducted using PubMed and Cochrane Library to explore the inclusion of social factors such as socioeconomic status on risk-adjustment calculations, and their relation to healthcare disparities, penalties, and outcomes.

FAIM: Fairness-aware interpretable modeling for trustworthy machine learning in healthcare.

The escalating integration of machine learning in high-stakes fields such as healthcare raises substantial concerns about model fairness. We propose an interpretable framework, fairness-aware interpretable modeling (FAIM), to improve model fairness without compromising performance, featuring an interactive interface to identify a "fairer" model from a set of high-performing models and promoting the integration of data-driven evidence and clinical expertise to enhance contextualized fairness. We demonstrate FAIM's value in reducing intersectional biases arising from race and sex by predicting hospital admission with two real-world databases, the Medical Information Mart for Intensive Care IV Emergency Department (MIMIC-IV-ED) and the database collected from Singapore General Hospital Emergency Department (SGH-ED).