19,871 real negative results, null findings, and replication failures · Negative / Null Result Report. Search the index →
WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record compiled from open scholarly databases; the abstract is shown in full only where the paper is openly licensed, otherwise a short excerpt under fair use. Classifications are automated and approximate.
Han H, Huh Y, Lee SW et al. · 2026 · Preprint
Abstract Background: Electroencephalography (EEG) has emerged as a promising biomarker for predicting motor recovery in stroke patients undergoing non-invasive brain stimulation (NIBS), including repetitive transcranial magnetic…
View details →Elyasi B · 2026 · Veterinary medicine and science
Background The main goal of this study was to identify various brightness, motion and Doppler echocardiographic variables in small-breed dogs with myxomatous mitral valve disease. Animals Sixty client-owned small-breed dogs with mitral…
View details →Aydemir M, Sarkılar G, Atay T et al. · 2026 · Turk gogus kalp damar cerrahisi dergisi
Background Hypotension during anesthesia induction is a clinically significant event linked to perioperative complications. This study aimed to assess if arterial stiffness and stiffness index, measured by Doppler ultrasonography (USG),…
View details →Kook PH · 2026 · Journal of feline medicine and surgery
ObjectivesIt remains unclear whether pancreatic lipase immunoreactivity (PLI) and lipase activity similarly reflect clinical status and disease severity in cats with suspected pancreatitis. This retrospective cohort study aimed to directly…
View details →Sakai M, Miyati T, Ohno N et al. · 2026 · Magnetic resonance imaging
Purpose To apply dynamical network biomarker (DNB) theory to diffusion MRI and develop the diffusion MRI-derived DNB (dMRI-DNB) index for evaluating neurofluid fluctuation in idiopathic normal pressure hydrocephalus (iNPH). Methods…
View details →SHEN Z, LIU Y, LIU Y et al. · 2025 · Preprint
Abstract Purpose To analyze the clinical features of ocular surface diseases caused by Epstein-Barr virus (EBV) infection. Methods A retrospective case series study was conducted. Data from 48 patients (54 eyes) with EBV infection who…
View details →Zhang C, Xie C, Zhang Z et al. · 2026 · Pathogens (Basel, Switzerland)
Background Sepsis, a life-threatening organ dysfunction caused by dysregulated host responses to infection, frequently involves impaired macrophage efferocytosis that leads to apoptotic cell accumulation, secondary necrosis, and persistent…
View details →Ito K, Hiranaka T, Basaqr AA et al. · 2026 · Orthopaedics & traumatology, surgery & research : OTSR
Background Kinematic alignment (KA) aims to restore the distal and posterior joint surfaces by matching the resected bone to the implant thickness. However, whether KA also accurately reproduces the anterior femoral anatomy, including the…
View details →Barman Kakil Ş, Sarı SA, Hazar L · 2026 · Current eye research
Purpose To evaluate retinal and optic nerve head microcirculation in children with dyslexia using optical coherence tomography angiography (OCTA) and to explore whether retinal microvascular parameters differ between dyslexic and typically…
View details →Jiang C, Cheng P, Liu Y et al. · 2025 · Journal of pediatric orthopedics
Introduction Imaging-based measurement indices of patellar height are essential for diagnosing patella alta in children and adolescents. The Patellotrochlear Index (PTI) measures the cartilaginous anatomy which is crucial for identifying…
View details →Gül O, Ayazoglu MA, Yazıcı A et al. · 2026 · Journal of shoulder and elbow surgery
Background Perianchor fluid collection may differ according to anchor material following arthroscopic rotator cuff repair (ARCR), but its relationship with tendon healing remains unclear. This study aimed to compare perianchor fluid…
View details →Kocak OF, Alpayci M, Demir CY et al. · 2025 · Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
Objective To determine the frequency and severity of joint hypermobility (JH) in rhinoplasty patients and to assess rhinoplasty satisfaction in rhinoplasty cases with JH. Study design Comparative cross-sectional study. Place and Duration…
View details →Alsayegh MMA, Sallom BA, Fadel EA et al. · 2026 · Scientific reports
Prenatal exposure to trace metal elements remains a significant public health concern, particularly because these elements can cross the placental barrier and accumulate in fetal tissues. Meconium and neonatal hair are commonly used as…
View details →Menxhiqi L, Marinova G · 2026 · Preprint
In a closed-inventory Large Language Model (LLM) system such as Online-CADCOM, which recommends engineering tools from a verified inventory, mention-level hallucination occurs when the model recommends tools not present in the inventory.…
View details →Metrouh O, Bulman J, DeBacker SS et al. · 2026 · Academic radiology
Rationale and objectives This study aimed to evaluate the correlation between Interventional Radiology (IR) trainees' clinical performance during residency and their final National Residency Matching Program (NRMP) rank order list (ROL)…
View details →Zakariaei Z, Hosseini SH, Alizadeh-Navaei R et al. · 2026 · BMC infectious diseases
Background The infectious hypothesis of obsessive-compulsive disorder (OCD) has gained traction, with Toxoplasma gondii (T. gondii) proposed as a potential risk factor due to its neurotropic properties and ability to alter neurotransmitter…
View details →Motamedi N, Singh SB, Gandhi OH et al. · 2026 · Preprint
Objective: Thyroid cartilage calcification and glucose metabolism may vary with age and gender. This study aimed to investigate the role of [18F]-sodium fluoride ([18F]NaF) and 2-[18F]fluoro-2-deoxy-D-glucose ([18F]FDG) PET/CT for the…
View details →Grunert M, Horn V, Baudrexl JC et al. · 2026 · European journal of radiology
Background Progressive fibrosing interstitial lung diseases (ILD) continue to have a poor prognosis. To date, there is no imaging method that can reliably detect fibrotic remodeling processes or distinguish between active and dormant…
View details →Afsar E, Sadeghi-Bazargani H, Salehpour F et al. · 2026 · Scientific reports
Traumatic brain injury (TBI) continues to be one of the world's top causes of mortality and long-term disability. It is a severe and frequently fatal disorder. Patients with traumatic brain injury (TBI) not only sustain neurological…
View details →Hannah JA, Di Liberto GM · 2026 · Preprint
Trust is a critical component of human communication, providing a foundation for understanding, information exchange, and social coordination. Much of the research on trust in speech communication has focused on how vocal characteristics…
View details →Samal DR, Mendiratta P · 2026 · Preprint
Abstract The CoViD situation globally tested the efficacy of health infrastructure as well as the administrative management of urban areas. This study focuses on the impact of the CoViD-19 pandemic across the nine municipal corporations in…
View details →Ruffin JC, Stem CT, Pletzer S et al. · 2026 · Pediatric emergency care
Objective Pediatric heart failure is a rare condition with significant morbidity that requires timely diagnosis and treatment. Mitral valve E-point septal separation (EPSS) may be used as an estimate of systolic function in this…
View details →Hirose R, Matsuura K, Ii Y et al. · 2026 · Journal of neural transmission (Vienna, Austria : 1996)
In Parkinson's disease (PD), neuronal loss occurs in the substantia nigra (SN) and locus coeruleus (LC). Previous studies using neuromelanin-sensitive magnetic resonance imaging (NMI) at 3T MRI have described the measurement methods and…
View details →Öztürk G, Orhon F, Bayrakoğlu D et al. · 2026 · International archives of allergy and immunology
The severity and incidence of invasive pneumococcal infections increase in inborn errors of immunities. However, there are limited number of studies in the literature evaluating pneumococcal antibody levels in patients with a prediagnosis…
View details →Ferrara M, Maccario V, Fantino S et al. · 2026 · Preprint
This study investigates intracellular (IC) exposure to tenofovir alafenamide (TAF) and its clinical determinants in experienced people living with HIV. We conducted a monocentric retrospective analysis of 86 adults treated with either…
View details →Abdelaziz AW, Alkherkhisy MM, El-Sheikh HR et al. · 2026 · BMC psychiatry
Background Lipid metabolism and its regulatory molecules, especially adipokines, have gained significant attention in recent pathogenesis research of autism spectrum disorder (ASD). Aims To evaluate serum fatty acid-binding protein 4…
View details →Babadzhanova E, Tilov B, Davcheva D et al. · 2026 · Preprint
Abstract Background Polycystic ovary syndrome (PCOS) is a common endocrine disorder associated with metabolic disturbances, including insulin resistance and obesity, chronic anovulation and impaired fertility. Its pathogenesis is complex…
View details →Zhang D, Eurich J, Pitz-Goncalves L et al. · 2026 · Journal of orthopaedic trauma
Objectives To determine the rate of occult vascular abnormalities in high-energy tibial plateau fractures using Computed Tomography Angiography (CTA). Methods Design Prospective Cohort Study. Setting Single Academic Level I Trauma Center.…
View details →Bilen YE, Sinanoğlu N, Külekci Ç · 2026 · European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
Purpose Total laryngectomy disrupts nasal airflow, often resulting in significant olfactory and gustatory dysfunction. While these sensory losses may adversely affect patients' quality of life and psychological well-being, they typically…
View details →Akıncıoğlu P, Dağlı Ü, Koca E · 2026 · The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology
Background/aims Inflammatory bowel disease (IBD), including Crohn's disease and ulcerative colitis, is a chronic inflammatory disorder commonly associated with iron deficiency anemia and anemia of chronic disease. Hepcidin is a key…
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