Negative / Null Result ReportOpen accessMedicine
Blasich NP, Adelekan AM · 2026 · Health science reports
Background Point-of-care rapid diagnostic testing plays a critical role in HIV detection and timely linkage to care, particularly in decentralized healthcare settings. To support testing reliability, the National Health Laboratory Service…
View details →DOI: 10.1002/hsr2.71521 Negative / Null Result ReportMedicine
Uyanık G, Yüksel M, Abay M et al. · 2026 · Veterinary journal (London, England : 1997)
The present study aimed to determine the diagnostic accuracy of the commercial Alertys OnFarm Pregnancy Test (AOPT) based on pregnancy-associated glycoprotein (PAG) for early pregnancy diagnosis in ewes. A total of 100 multiparous Awassi…
View details →DOI: 10.1016/j.tvjl.2026.106584 Negative / Null Result ReportOpen accessMedicine
Zhang J, Hu Y, Dong P et al. · 2025 · Diagnostics (Basel, Switzerland)
Sarcoidosis is a rare multisystem inflammatory disease characterized by non-necrotizing granulomas, typically affecting the lungs, lymph nodes, skin, and bones. Due to its extreme clinical heterogeneity, diagnosis remains challenging.…
View details →DOI: 10.3390/diagnostics15091135 Negative / Null Result ReportOpen accessMedicine
Pandey P, Bir R, Chatterjee K et al. · 2026 · Iranian journal of microbiology
Background and objectives Sepsis is a life threatening condition caused by a dysregulated host response to infection and is associated with high morbidity and mortality worldwide. Early bacterial detection and therapy with antibiotics…
View details →DOI: 10.18502/ijm.v18i3.21654 Negative / Null Result ReportOpen accessMedicine
Samkange A, Chitanga S, Mbiri P et al. · 2025 · The Onderstepoort journal of veterinary research
Neosporosis is a leading cause of bovine abortions worldwide, with a substantial economic impact because of reproductive losses, costing the cattle industry billions of dollars annually. Despite the global significance of Neospora caninum,…
View details →DOI: 10.4102/ojvr.v92i1.2237 Negative / Null Result ReportOpen accessMedicine
Lis K · 2025 · Life (Basel, Switzerland)
Vitamin B1 (thiamine) is a water-soluble B vitamin. As a cofactor of many enzymes, it is essential for the proper functioning of many body systems and organs, including metabolic and energy metabolism. In extreme cases, vitamin B1…
View details →DOI: 10.3390/life16010050 Negative / Null Result ReportMedicine
Steinhauer R, Kübler E, Gaugler S et al. · 2026 · Journal of virological methods
Dried blood spots (DBS) constitute a stable, cost-efficient sampling matrix that can be collected in a minimally invasive manner. Although widely adopted in human medicine, their use in veterinary diagnostics remains limited. This study…
View details →DOI: 10.1016/j.jviromet.2025.115336 Negative / Null Result ReportOpen accessMedicine
Rodrigues NJL, França DA, Menozzi BD et al. · 2026 · Pathogens (Basel, Switzerland)
Comparative evaluations of different serological methods for the diagnosis of toxoplasmosis in pregnant women remain limited, and the performance of indirect immunofluorescence assay (IFA), modified agglutination test (MAT), and…
View details →DOI: 10.3390/pathogens15040363 Negative / Null Result ReportMedicine
Cheng X, Huang H, Fan Z et al. · 2026 · BMJ open ophthalmology
Objective To evaluate the efficacy and safety of portable, cost-effective manual thermal pulsation as a single therapy for meibomian gland dysfunction (MGD) and to compare the microbiota and lipid composition in subjects with different…
View details →DOI: 10.1136/bmjophth-2026-002769 Negative / Null Result ReportMedicine
Hayman NT, Pandelides Z, Colvin MA et al. · 2026 · Environmental toxicology and chemistry
A lack of marine specific data results in challenges to assessing site-specific ecological risks and developing marine water quality criteria for per- and polyfluoroalkyl substances (PFAS). Here, the toxicity and bioaccumulation of…
View details →DOI: 10.1093/etojnl/vgag168 Negative / Null Result ReportMedicine
De Groote W, Taremwa Y, Duttine A et al. · 2026 · International journal of environmental research and public health
In Uganda, in 2019, 6.8 million people experienced health conditions that are amenable to rehabilitation. This is largely due to musculoskeletal disorders such as low back pain (LBP). Measuring effective coverage of rehabilitation means…
View details →DOI: 10.3390/ijerph23060693 Negative / Null Result ReportMedicine
Aljuaid M, Alsiraj K · 2026 · Annals of the ICRP
This is a national study about the occupational Radiation doses for medical workers in the Kingdom of Saudi Arabia which covers the period since the establishment of the Nuclear and Radiological Regulatory Commission (NRRC). The study aims…
View details →DOI: 10.1177/01466453251411988 Negative / Null Result ReportOpen accessMedicine
Büyüksefil M, Çimen Ü, Şimşek Derelioğlu S et al. · 2026 · Oral health & preventive dentistry
Purpose Effective communication with paediatric patients is one of the cornerstones of paediatric dentistry. Strong communication skills play a critical role in reducing dental anxiety, enhancing patient satisfaction, and facilitating the…
View details →DOI: 10.3290/j.ohpd.c_2680 Negative / Null Result ReportMedicine
Choi JY, Song WS, Won YK et al. · 2026 · Korean journal of ophthalmology : KJO
Purpose To compare the effective phacoemulsification time used in cataract surgery and postoperative outcomes between the Veritas and the Centurion Vision System. Methods A retrospective analysis was conducted on 90 eyes from 82 patients…
View details →DOI: 10.3341/kjo.2025.0196 Negative / Null Result ReportMedicine
Jacobs S, Edelhoff H, Ebert C et al. · 2026 · BMC ecology and evolution
Effective population size (Ne) is a fundamental parameter in conservation genetics, providing relevant information on the adaptability and long-term viability of populations. In contrast, wildlife management strategies, particularly for…
View details →DOI: 10.1186/s12862-026-02543-7 Negative / Null Result ReportMedicine
Leung A, Koo J · 2026 · CNS drugs
Dermatological delusional disorders, such as delusional infestation (DI), are a unique type of psychosis in which the patient experiences specific delusions, such as parasites or inorganic materials that come out of their skin. Originally,…
View details →DOI: 10.1007/s40263-026-01309-5 Negative / Null Result ReportMedicine
Cherif IS, Essis EML, Diallo MA et al. · 2026 · Case reports in infectious diseases
Background Lassa fever is a potentially fatal viral hemorrhagic disease caused by a ribonucleic acid (RNA) virus of the Arenaviridae family, endemic in West Africa. It is highly virulent and contagious in several countries, with a…
View details →DOI: 10.1155/crdi/2672939 Negative / Null Result ReportMedicine
Columbo JA, Scali ST, Wanhainen A et al. · 2026 · Annals of surgery
Objective To determine the contemporary cost per quality-adjusted life year(QALY) gained for abdominal aortic aneurysm (AAA) repair in current practice and assess the optimal threshold for intervention. Summary background data The widely…
View details →DOI: 10.1097/sla.0000000000007134 Negative / Null Result ReportMedicine
Renard K, Sung HD, Griffis C · 2026 · AANA journal
Gabapentin is widely used in perioperative analgesic protocols. Many clinical studies supporting the safety and analgesic efficacy of gabapentin for postoperative pain have been published over the last two decades. Several studies, many…
View details →DOI: 10.70278/aanaj/.0000001087 Negative / Null Result Report
Owino RO, Golding J, Sangale EL et al. · 2026 · Preprint
Giraffes, unlike other large mammals, typically pose minimal risk to humans, their animals, and crops, so they are traditionally not involved in human-wildlife conflict. Tree crops, however, are expanding across Africa, resulting in crop…
View details →DOI: 10.64898/2026.05.01.722334 Negative / Null Result ReportOpen accessMedicine
Winstén AK, Langén V, Airaksinen KEJ et al. · 2026 · JAMA network open
Importance Anticoagulation for stroke prevention in subclinical, device-detected atrial fibrillation (AF) remains an area of clinical equipoise, and its cost-effectiveness is unknown. Objective To evaluate the cost-effectiveness of direct…
View details →DOI: 10.1001/jamanetworkopen.2026.17213 Negative / Null Result ReportMedicine
Thomas CA, Blau S, Neuhalfen H et al. · 2026 · JCO oncology practice
Purpose Biomarker testing, including immunohistochemistry (IHC) and next-generation sequencing, is the standard of care in advanced non-small cell lung cancer (NSCLC) for identifying actionable mutations such as EGFR , ALK , and KRAS .…
View details →DOI: 10.1200/op-25-01007 Negative / Null Result ReportOpen accessMedicine
Bedoya JU, Wagner M, Malézieux E et al. · 2026 · Liver international : official journal of the International Association for the Study of the Liver
Background & aims Transjugular intrahepatic portosystemic shunt (TIPS) improves survival in refractory ascites. A careful patient's selection is mandatory as TIPS can lead to complications. Liver volumetry is predictive of outcomes before…
View details →DOI: 10.1111/liv.70691 Negative / Null Result ReportMedicine
Chu BK, Abdelbaki A, Nikahd M et al. · 2026 · Journal of clinical gastroenterology
Background The optimal timing for endoscopic retrograde cholangiopancreatography (ERCP) in managing uncomplicated acute biliary pancreatitis (ABP) remains unclear. This population-based study assessed the impact of ERCP timing on outcomes…
View details →DOI: 10.1097/mcg.0000000000002341 Negative / Null Result ReportMedicine
Campello E, Zanetto A, Ferdinande K et al. · 2026 · Liver international : official journal of the International Association for the Study of the Liver
Background and aims Cirrhosis is characterized by progressive immune dysregulation, endothelial dysfunction, and haemostatic imbalance. Circulating extracellular vesicles (EVs) have emerged as potential biomarkers reflecting these…
View details →DOI: 10.1111/liv.70723 Negative / Null Result ReportMedicine
Yamao S, Chiba Y, Kuniyoshi K et al. · 2026 · Ophthalmology. Retina
Purpose To evaluate surgical outcomes and identify key prognostic factors in retinal detachment associated with morning glory syndrome (MGS-RD). Design Retrospective consecutive case series. Subjects Fifteen consecutive eyes of 15 patients…
View details →DOI: 10.1016/j.oret.2026.06.011 Negative / Null Result ReportOpen accessMedicine
Augustin M, Pollak TA, Morrin H · 2026 · NPP - digital psychiatry and neuroscience
AI-associated delusions represent an emerging phenomenon requiring mechanistic understanding. This review, after summarizing key contributions on AI-associated delusions, proposes the "amplification spiral" framework, wherein three…
View details →DOI: 10.1038/s44277-026-00065-0 Negative / Null Result ReportMedicine
David P, Oliphant K, Zhou C et al. · 2026 · Pediatric research
Background Fentanyl, an opioid medication commonly given to hospitalized preterm infants, may alter gut microbiome development and subsequent neurodevelopmental outcomes. Methods We compare a cohort of preterm infants with and without…
View details →DOI: 10.1038/s41390-026-05210-1 Negative / Null Result ReportMedicine
Merzaei Z, Kazemian H, Bamzadeh Z et al. · 2026 · BMC research notes
Objective Irritable bowel syndrome (IBS) presents with symptoms of pain, abdominal discomfort, and altered bowel habits. Changes in the intestinal microbiota, including an increase in Enterobacteriaceae like E. coli, have been associated…
View details →DOI: 10.1186/s13104-026-07924-1 Negative / Null Result Report
Letta S · 2026 · Preprint
Abstract Background Low back pain is a major occupational health problem among the healthcare workforce. It contributes to reduced productivity, absenteeism, and diminished quality of life. Despite its significant burden, the prevalence…
View details →DOI: 10.21203/rs.3.rs-10143847/v1 