Negative / Null Result ReportMedicine
Senoo K · 2025 · Journal of cardiovascular electrophysiology
Atrial fibrillation (AF) is the most common sustained arrhythmia and raises ischemic stroke risk fivefold, even when asymptomatic. Early detection and timely initiation of oral anticoagulation can significantly reduce stroke incidence,…
View details →Negative / Null Result ReportOpen accessMedicine
Patel A, Esencan E, Lakhani Z et al. · 2026 · F&S reports
Objective To report an adult case of XX/XY chimera resulting from in vitro fertilization with transfer of three embryos, that was discovered with preconception genetic carrier screening. Design Case report. Subject A 33-year-old…
View details →Negative / Null Result ReportOpen accessMedicine
Phommasone K, Souksakhone C, Chanthongthip A et al. · 2025 · PloS one
Background Lao PDR reported a low number of confirmed SARS-CoV-2 cases until the introduction of COVID-19 vaccines in April 2021. This raised doubts about whether the reported number reflected the true situation and questioned about…
View details →Negative / Null Result ReportOpen accessMedicine
Carrillo Lizarazo JL, Cecchin D, Camozzi V et al. · 2025 · BJS open
Background Accurate preoperative localization is essential for successful, focused, minimally invasive surgery in primary hyperparathyroidism (PHPT). New imaging techniques have recently been proposed. This study evaluated the impact of…
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D’Amario A, Ambrosini R, Gullino A et al. · 2025 · Preprint
Background: Ovarian cancer is a leading gynecological malignancy with high global mortality. Early and accurate diagnosis is essential for effective management, yet many ovarian masses remain indeterminate after initial assessment.…
View details →Negative / Null Result ReportMedicine
Wang L, Xue C, Zhu B et al. · 2026 · Journal of nutritional science and vitaminology
Data regarding to how serum 25 hydroxyvitamin D (25(OH)D) levels affect muscle mass and function in end-stage renal disease (ESRD) patients have led to inconclusive results. The main goal of this research was to examine the relationship…
View details →Negative / Null Result Report
Kiala Z, Petra S, Andarcia MG · 2026 · Preprint
Abstract Irrigated agriculture accounts for nearly 70% of global freshwater withdrawals, yet monitoring consumptive water use at field scale remains challenging in fragmented smallholder systems. FAO’s WaPOR database provides global…
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Song P, Su J, Vraa CLK et al. · 2025 · Preprint
Lipid nanoparticles (LNPs) have proven to be an effective delivery system for RNA therapeutics. The chemical composition of LNPs determines their functional delivery efficiency and targeting properties, which vary between in vitro and in…
View details →Negative / Null Result ReportMedicine
Shiba Y, Aoki K, Ohka F et al. · 2025 · AJNR. American journal of neuroradiology
Background and purpose Differentiating between a brain tumor and a nontumorous lesion remains a diagnostic challenge, particularly when conventional imaging modalities such as CT and MRI provide inconclusive results. While 11 C-methionine…
View details →Negative / Null Result ReportOpen accessMedicine
Kumar R, Gravett S, Jelic V et al. · 2026 · Neurology
Background and objectives The α-synuclein (α-syn) seed amplification assay (SAA) has shown promising results for diagnosing dementia with Lewy bodies (DLB) using CSF samples. A barrier to implementing α-syn SAA clinically is the use of…
View details →Negative / Null Result ReportMedicine
Tornvall S, Blomberg L, Hirschberg AL · 2025 · Psychoneuroendocrinology
The objective of this study was to investigate the association of menstrual cycle phases on sexual function, well-being, and mood in young healthy women. Previous research has shown inconclusive results likely due to using non-validated…
View details →Negative / Null Result ReportMedicine
Wilcox A, Hall M, Menzies J et al. · 2025 · Science of the Total Environment
The biodegradability of water-soluble carboxymethyl cellulose (CMC) polymer, degree of substitution of 0.65, was evaluated in screening and simulation assays using activated sludge as the inoculum. In an OECD 301B, CMC 0.65 was slowly…
View details →Negative / Null Result ReportOpen accessMedicine
Abdulrasak M, Axler O, Kapás B et al. · 2026 · Diagnostics (Basel, Switzerland)
Protein-losing enteropathy (PLE) is an uncommon and often underrecognized manifestation of lymphoproliferative disorders and may be difficult to diagnose when conventional gastrointestinal investigations are unrevealing. We present an…
View details →Negative / Null Result Report
Brataatmaja RH, Notari CF, Kam A et al. · 2025 · Preprint
Abstract Objectives: This umbrella review aimed to synthesize and critically evaluate the available evidence regarding the association between exposure to per- and polyfluoroalkyl substances (PFAS) and childhood obesity. Methods: A…
View details →Negative / Null Result ReportOpen accessMedicine
Racano E, Spinelli C, Sacco G et al. · 2026 · Scientific reports
Early detection and documentation of anterior segment opacities in infants (aged 1–6 months) is limited by resource constraints and specialist availability. This study aimed to evaluate the usefulness of digital infrared reflex testing…
View details →Negative / Null Result ReportOpen accessMedicine
Shah KV, Jung C, Talian D et al. · 2025 · OTO open
Objective While the etiology of Meniere's disease (MD) is likely multifactorial, genetics are thought to play a role. Several previous studies have yielded inconclusive results, potentially due to phenotypic uncertainty and variable…
View details →Negative / Null Result ReportOpen accessMedicine
Nguyen MD, Park D, Scott JW et al. · 2026 · Science advances
Landau predicted that transverse sound propagates in a Fermi liquid with sufficiently strong interactions such as for liquid 3 He, unlike a classical fluid that cannot support shear oscillations. Previous attempts to observe this unique…
View details →Negative / Null Result ReportMedicine
Gay A, Laudet F, Meynard P et al. · 2026 · Orthopaedics & traumatology, surgery & research : OTSR
Introduction Infection is a significant and challenging complication of total hip and knee arthroplasties. Diagnosing chronic periprosthetic joint infection (PJI) can be difficult, particularly when joint aspiration yields inconclusive…
View details →Negative / Null Result ReportOpen accessMedicine
Payton C, Kvaratskhelia N, Chalfin M et al. · 2025 · Journal of immigrant and minority health
Cancer screening can detect cancer at an early stage and decrease cancer morbidity and mortality. Refugee populations may have had limited access to cancer screening before arrival in the United States. A cross-sectional analysis of…
View details →Negative / Null Result ReportOpen accessMedicine
Kaseb A, Benider H, Treglia G et al. · 2025 · European journal of clinical investigation
Background 4D-CT has garnered attention as complementary imaging for patients with primary hyperparathyroidism (pHPT). Herein we evaluated a diagnostic strategy using [ 18 F]Fluorocholine Positron Emission Tomography/Computed Tomography…
View details →Negative / Null Result ReportOpen accessMedicine
Kuyucu M, Erdogan KM, Adiyaman D et al. · 2025 · Medicine
This study shares our 5-year experience with chorionic villus sampling (CVS) and analyzes the indications, results, and complications of this procedure. We conducted a retrospective analysis of data from singleton pregnancies that…
View details →Negative / Null Result ReportOpen accessMedicine
Shebli B, Ghabally M, Shabouk MB et al. · 2025 · Frontiers in cardiovascular medicine
Background Beta-agonists like Levalbuterol and Albuterol are used in the treatment of Hyperkalemia. However, few studies in the medical literature have directly compared the cardiac effects and potassium-lowering efficacy of levalbuterol…
View details →Negative / Null Result ReportMedicine
Cohen M, Slae M, Gamliel A et al. · 2025 · Respiratory medicine
Background -Nasal Potential Difference (NPD) is an established diagnostic tool for CF. However, standardized values for very young patients are lacking. Aim - To evaluate the feasibility of performing NPD testing in young children. Methods…
View details →Negative / Null Result ReportMedicine
Chen Y, Bhatti P, Dummer T et al. · 2025 · Cancer epidemiology
Background Studies of the relationship between diabetes medications and pancreatic cancer risk have produced inconclusive results. We aimed to examine associations between classes, subclasses, and individual diabetes medications with…
View details →Negative / Null Result ReportMedicine
Baldini GM, Ferri D, Lot D et al. · 2026 · Gynecologic and obstetric investigation
Objectives The objective of the study was to evaluate the impact of male human papillomavirus (HPV) sexually transmitted infection on sperm parameters, embryo morphokinetics, and clinical pregnancy outcomes in assisted reproductive…
View details →Negative / Null Result ReportMedicine
Sunman B, Yalcin E, Alboga D et al. · 2025 · Pediatric allergy, immunology, and pulmonology
Background: Although the forced oscillation technique has been used for many years in children, there is still inconclusive results about its efficiency in cystic fibrosis (CF). Moreover, no studies have been conducted on impulse…
View details →Negative / Null Result ReportMedicine
He S, Wen J, Zou Z et al. · 2025 · International journal of cancer
Studies on multiple myeloma (MM), the second most common hematologic malignancy, have shown inconclusive results regarding the role of exercise in treatment. This study evaluated the relationship between physical exercise and MM treatment…
View details →Negative / Null Result ReportOpen accessMedicine
Pierucci UM, Paraboschi I, Ardenghi C et al. · 2024 · Translational pediatrics
Background Inflammatory myofibroblastic tumors (IMTs) are rare, often non-metastasizing neoplasms characterized by fibro/myofibroblastic spindle cells with varying infiltrates of plasma cells, lymphocytes, and/or eosinophils. Despite their…
View details →Negative / Null Result ReportOpen accessMedicine
Rohrhofer J, Ebner L, Schweighardt J et al. · 2025 · Diagnostics (Basel, Switzerland)
Background/Objectives: Growing evidence suggests that mast cell activation (MCA) may contribute to Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS), a debilitating disorder characterized by persistent fatigue and post-exertional…
View details →Negative / Null Result ReportMedicine
Suksard K, Millard GM, Teravichitchainan U et al. · 2025 · Transfusion and apheresis science : official journal of the World Apheresis Association : official journal of the European Society for Haemapheresis
Background ABO discrepancies, inconclusive results between forward and reverse typing, are one of the significant challenges encountered in transfusion medicine. Their frequency and etiologies can vary among ethnicities. This study aimed…
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