Negative / Null Result Report
Wen LH, Siang JYD, Yee LF et al. · 2026 · Preprint
Abstract Objectives To investigate the incidence and factors influencing retinal displacement as well as functional visual outcomes following rhegmatogenous retinal detachment (RRD) repair. Methods A prospective observational study which…
View details →Negative / Null Result ReportMedicine
El Habashy HR, Ahmed SM, Al Salmawy DA et al. · 2026 · Neurological research
Background Bell's palsy (BP) is the most common acute peripheral mononeuropathy worldwide. While electrodiagnostic studies are established tools for functional assessment, high-resolution ultrasonography (HRUS) has emerged as a…
View details →Negative / Null Result Report
Benmoussa H, Barkani ME, Khodriss C et al. · 2026 · Preprint
Abstract Background: Dry eye disease is the most common ophthalmological manifestation in patients with rheumatoid arthritis (RA). Its diagnosis relies on clinical parameters and non-invasive imaging techniques. The aim of this study was…
View details →Negative / Null Result ReportMedicine
Mohan Kumar R, Gomaa AR, Scarffe D et al. · 2026 · Foot (Edinburgh, Scotland)
Introduction Achilles Tendon Ruptures (ATR) in sport has only previously been investigated in an athletic population. Our aim in this study was to understand the psychology and function of ATR and their return to sport. Methods A historic…
View details →Negative / Null Result ReportMedicine
Morais RF, Duro D, Pires R et al. · 2026 · Cognitive and behavioral neurology : official journal of the Society for Behavioral and Cognitive Neurology
Background Emotion perception is the capacity that enables humans to correctly identify the cues that guide interpersonal interactions, forming the basis for social behavior. The parahippocampal cortex may contribute to emotion perception…
View details →Negative / Null Result ReportMedicine
Ford LB, Irvine M, Lee H et al. · 2026 · HLA
Mismatched allogeneic haematopoietic stem cell transplants (HSCT) are complicated by the presence of pre-existing HLA-specific antibodies targeting the mismatched HLA antigens (DSAs). Data indicates that the presence of DSAs…
View details →Negative / Null Result ReportOpen accessMedicine
Nithya M, Titiyal R, Ajayababu A et al. · 2026 · Journal of clinical medicine
Background: Obstructive sleep apnea (OSA) is common in individuals with obesity, largely due to increased soft tissue causing upper airway narrowing. However, mechanisms of OSA improvement following weight loss are incompletely understood,…
View details →Negative / Null Result ReportOpen accessMedicine
Soumboundou SM, Ndiaye ML, Ndiaye R et al. · 2026 · Cureus
Introduction The advent of 3D imaging has created a significant opportunity to enhance the accuracy of age estimation. By utilizing 3D segmentation, it is now possible to evaluate the three-dimensional pulp volume as an indicator of age.…
View details →Negative / Null Result Report
Kong W, Mosciatti A, Boulanger J et al. · 2026 · Preprint
Paul Green hypothesized that growth anisotropy of plant cylindrical organs could be controlled by cell-wall elastic strain. The present study aimed to challenge this hypothesis through a robust experimental and analytical framework. By…
View details →Negative / Null Result ReportMedicine
Lee BJ, Kong IJ, Yoon JA · 2026 · Lymphatic research and biology
Purpose To examine the association between clinical severity and lymphatic function of breast cancer-related lymphedema. Methods and results A total of 151 patients with lymphedema after breast cancer-related mastectomy were enrolled. The…
View details →Negative / Null Result ReportMedicine
Fedeli L, Magistrelli A, Vaiano A et al. · 2026 · Journal of radiological protection : official journal of the Society for Radiological Protection
The reduction of the annual equivalent dose limit to the lens of the eye from 150 to 20 mSv has increased the need for reliable assessment of occupational eye lens exposure, particularly in interventional radiology. Lens absorbed dose is…
View details →Negative / Null Result ReportMedicine
Brandtzäg AA, Eiberg JP, Taudorf M et al. · 2026 · EJVES vascular forum
Introduction To evaluate intra-arterial pressure measurement (IAPM) in relation to pre- and intra-operative diagnostic methods for assessing superior mesenteric artery (SMA) stenosis in patients with a diagnosis of chronic mesenteric…
View details →Negative / Null Result ReportMedicine
Kain ZE, Schuurman E, Baez-Navarro X et al. · 2026 · Laboratory investigation; a journal of technical methods and pathology
Purpose HER2-low breast cancer has gained clinical relevance owing to the efficacy of trastuzumab deruxtecan. However, variability in detecting low HER2 expression may affect patient eligibility. This nationwide study in the Netherlands…
View details →Negative / Null Result ReportMedicine
Rasmussen LS, Alstrup A, Markussen L et al. · 2026 · Military medicine
Introduction A run test is used in the assessment of physical fitness in military applicants. Seismocardiography is a fast, non-invasive method for estimation of cardiorespiratory fitness which could replace conventional run tests. We…
View details →Negative / Null Result Report
Psenicka O, Brutvan T, Vitkova H et al. · 2026 · Preprint
Abstract Background : Systemic inflammatory response syndrome (SIRS) is associated with changes in muscle metabolism. Resulting muscle weakness is linked with adverse outcomes, e.g. prolonged mechanical ventilation, length of hospital stay…
View details →Negative / Null Result ReportMedicine
Brilli D, Giansanti M, Bertoldo S et al. · 2026 · International journal of computerized dentistry
Aim The aim of the present study was to evaluate the accuracy of dynamic navigation (DN) in miniscrew insertion in the palatal vault by comparing the deviation between planned and placed miniscrew positions. The secondary outcome was to…
View details →Negative / Null Result ReportMedicine
Nasr A, Hourani R, Ghzayel L et al. · 2026 · The Laryngoscope
Objective To analyze the correlation between vocal tract fat volume and patient tolerance to office-based laryngeal surgery using the transnasal approach. Methods The medical records and video recordings of all patients who underwent…
View details →Negative / Null Result ReportOpen accessMedicine
Itagaki T, Ueki Y, Oyama Y et al. · 2026 · Scientific reports
Achilles tendon (AT) xanthomas are characteristic manifestations of familial hypercholesterolemia (FH). Although soft X-ray radiography (XR) and ultrasonography (US) are used to assess AT thickness, data comparing their diagnostic…
View details →Negative / Null Result ReportOpen accessMedicine
Madini S, Suresh TN, Kattepur AK · 2026 · Cureus
Introduction Epithelial ovarian carcinoma usually has TP53 expression. The TP53 gene is the most frequently mutated gene in ovarian cancer and therapies targeting these mutations may improve treatment outcomes, but there are only few…
View details →Negative / Null Result ReportOpen accessMedicine
He J, Xu G, Zhao J et al. · 2026 · Biology of sex differences
Background Overwhelming evidence shows that obesity is associated with brain structural alterations in young adults. However, the specific sex related changes in obesity and their associated with crystallized intelligence still remained…
View details →Negative / Null Result ReportMedicine
Nalwa A, Visakhan A, Elhence PA et al. · 2026 · Indian journal of surgical oncology
Programmed cell death ligand-1 (PD-L1) is involved in T-cell regulation by acting as an immune checkpoint inhibitor, and its expression is being widely studied in various malignancies. The following study was designed to examine the role…
View details →Negative / Null Result ReportOpen accessMedicine
Rizvanoglu İH · 2026 · Foot & ankle orthopaedics
Background Osteochondral lesions of the talus (OLT) represent a challenging ankle pathology that may lead to persistent pain, functional impairment, and progressive joint degeneration. Open transmalleolar osteochondral autograft transfer…
View details →Negative / Null Result ReportOpen accessMedicine
Mhlana A, Milanes-Rodriguez G, Olojede SO et al. · 2026 · BMC endocrine disorders
Background Sleep is essential for maintaining the body's balance, particularly in regulating the Hypothalamic-pituitary-adrenal (HPA) axis, which controls cortisol, the main stress hormone. Cortisol follows a daily rhythm, but irregular…
View details →Negative / Null Result Report
Doğantekin E, Albayrak F, Doğantekin A et al. · 2026 · Preprint
Introduction: Microbiota refers to all microorganisms colonising the body, whereas microbiome is a broader term covering the genetic material and ecosystem of this population. The skin is the largest organ of the body with a skin…
View details →Negative / Null Result ReportMedicine
Mizuta I, Yamashita F, Sutoh Y et al. · 2026 · Geriatrics & gerontology international
Aim Cerebral small vessel disease (CSVD)-related MRI findings, including white matter hyperintensities (WMHs), are not rare in general elderly populations. The aim of this study was to elucidate the contribution of hereditary CSVD-related…
View details →Negative / Null Result ReportMedicine
Iturregui C, Liu CC, Carter RT et al. · 2026 · Veterinary ophthalmology
Justification Circadian variations in central corneal thickness (CCT) and their correlation with intraocular pressure (IOP) have not been reported in horses. This information may be clinically relevant when interpreting IOP readings.…
View details →Negative / Null Result ReportMedicine
Samim M, Jardon M, Vonck C et al. · 2026 · Journal of orthopaedics
Purpose To assess correlation of pre-operative symptoms, labral damage and chondrolabral junction pathology on MRI with intra-operative findings in patients undergoing hip arthroscopy for femoroacetabular impingement (FAI). Methods…
View details →Negative / Null Result ReportOpen accessMedicine
Santo B, Romanello M, De Franco P et al. · 2026 · Journal of clinical medicine
Background/Objectives: The neutrophil-to-lymphocyte ratio (NLR) is a simple biomarker reflecting systemic inflammatory status and has been investigated in head and neck cancer (HNC) as a potential prognostic indicator. Its role in relation…
View details →Negative / Null Result ReportMedicine
Melek Ş, Orhun ÖT, Şenocak MG et al. · 2026 · The Journal of small animal practice
Objectives The present study evaluated the accuracy and agreement of heart rate and peripheral oxygen saturation measurements obtained using the Owlet Smart Sock in awake dogs with low activity levels, using a veterinary patient monitor as…
View details →Negative / Null Result Report
Li C, Liu s · 2026 · Preprint
Abstract Objective: This study aims to investigate the dynamic evolution patterns of regional ventilation parameters monitored by bedside electrical impedance tomography (EIT) in pediatric patients with acute respiratory distress syndrome…
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