20,261 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.
Doğrukök ÖN, Baser M, Özden F et al. · 2026 · Irish journal of medical science
Urinary incontinence (UI) is a common complication after stroke and negatively affects quality of life (QoL). However, the relationship between physical activity and UI in women with stroke remains unclear. To investigate the relationship…
View details →Ogiwara T, Sato A, Wakabayashi M et al. · 2026 · Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia
Background The three-dimensional (3D) 4K exoscope has emerged as a practical visualization platform in neurosurgery, offering high-resolution imaging together with ergonomic and workflow-related advantages. The aim of this study was to…
View details →Uredi KB, Cansever MS, Isat E et al. · 2026 · Preprint
Abstract Aim Mucopolysaccharidosis type IVA (MPS IVA) is characterized by lysosomal glycosaminoglycan accumulation and progressive multisystem involvement. Beyond glycosaminoglycan storage, secondary immune and oxidative mechanisms may…
View details →Silveira BC, Ribeiro AP, Mendes MA et al. · 2026 · Anatomia, histologia, embryologia
Meibomian glands are responsible for the production and secretion of lipids into the precorneal tear film, which limits its evaporation. This study aimed to evaluate the percentage of Meibomian gland loss rate (MGLR) in the upper eyelid of…
View details →Bhatt AH, Patel DV, Shinde MK et al. · 2026 · Indian pediatrics
Objective To compare the incidence and severity of skin damage associated with transparent film dressing and microporous paper tape used for temperature probe fixation in preterm neonates. Methods Preterm neonates requiring radiant warmer…
View details →SAK ZHA, SUZERGOZ F · 2026 · Preprint
Abstract Background Obstructive sleep apnea (OSA) and dysglycemia frequently coexist, but pulmonary sleep risk is not always captured by the apnea-hypopnea index (AHI) alone. Because nocturnal hypoxemia may be more closely linked to…
View details →Zhao P, Zhou Y, Zhang C et al. · 2026 · Surgical laparoscopy, endoscopy & percutaneous techniques
Background The optimal suture technique for primary closure after laparoscopic choledochotomy remains uncertain. We compared real-world outcomes of barbed continuous and conventional interrupted sutures in patients with…
View details →Abdelsalam H, Abdalla M, Aied N et al. · 2026 · Medicina (Kaunas, Lithuania)
Background and Objectives : Adenoidectomy is a common pediatric procedure performed and endoscopic, instrumented techniques such as a powered microdebrider and coblation aim to improve visualization and completeness of resection while…
View details →Benedict Vinothini A, Mythilipraba S, Punnen SA et al. · 2026 · Indian journal of medical microbiology
Background Bloodstream infections (BSIs) require rapid identification and susceptibility testing to guide timely antimicrobial therapy. Although paired aerobic and anaerobic blood culture bottles are routinely used, the incremental benefit…
View details →Liu FQ, Ren LN, Zhou XR et al. · 2026 · Gastrointestinal endoscopy
Background and aims This multicenter retrospective cohort study aims to evaluate the efficacy and safety of sphincter-sparing pre-closure technique-assisted endoscopic papillectomy (EP) versus conventional EP for duodenal papilla adenomas.…
View details →Anundson J, Lee L, Bae S et al. · 2026 · Preprint
Abstract Introduction: Lumbar fusion alters spinal biomechanics and may increase hip loading, especially with long-segment constructs. We used a large administrative database to evaluate hip fracture risk after lumbar fusion and assess…
View details →Minoji S, Ishikura H, Kudo M et al. · 2026 · Archives of orthopaedic and trauma surgery
Background Perceived leg length discrepancy (pLLD) is a common source of dissatisfaction after total hip arthroplasty (THA), even in the absence of significant radiographic discrepancies. While spinopelvic factors have been increasingly…
View details →Hirakawa-Ueno K, Makino K, Fukumori R et al. · 2026 · Research in veterinary science
This study evaluated insulin sensitivity and serum pepsinogen in dairy cows from herds with high and low risk for displaced abomasum (DA) across different lactation stages. Blood samples and body condition scores (BCS) were collected from…
View details →Promsut W, Chalalai T, Saechue B et al. · 2026 · BMC veterinary research
Background Time-of-day-related physiological variation may influence immune, oxidative, and endocrine responses to surgical stress. This study evaluated the effects of morning versus afternoon surgical castration on inflammatory cytokine…
View details →Paolini A, Serpieri M, Bonaffini G et al. · 2026 · Animals : an open access journal from MDPI
This retrospective study compared three ultrasound-guided locoregional techniques-transversus abdominis plane (TAP), quadratus lumborum (QL), and caudal thoracic paravertebral (C-TPV) blocks-in dogs undergoing laparoscopic ovariectomy.…
View details →Howick V JF, Lugo-Fagundo NS, Umadat G et al. · 2026 · Journal for healthcare quality : official publication of the National Association for Healthcare Quality
Objective To evaluate patient-reported experiences after interhospital transfer (IHT) within an integrated health system and identify communication and coordination domains associated with overall satisfaction. Methods This retrospective…
View details →Thanapongpibul C, Niransuk P, Sassanarakkit S et al. · 2026 · Scientific reports
Microfluidic sperm selection (MSS) is a centrifugation-free alternative to density gradient centrifugation (DGC) for sperm preparation in intracytoplasmic sperm injection (ICSI). This prospective, randomized sibling-oocyte study included…
View details →Yildiz A, Yazici S, Yildiz Z · 2026 · BMC cardiovascular disorders
Objectives This study aimed to evaluate whether peroxisome proliferator-activated receptor gamma coactivator-1 alpha (PGC-1α) could serve as a marker of myocardial ischemia by examining its association with cross-clamp time, which reflects…
View details →Patel N, Sajjadi A, Park A et al. · 2026 · The Laryngoscope
Objective To compare operative metrics, postoperative complications, and radiographic osseous union among surgeon-specific plates (SSPs), patient-specific plates (PSPs), and conventional un-bent plates (CPs) in microvascular mandibular…
View details →Ibelings S, Brand T, Holube I · 2026 · International journal of audiology
Objective Compilation and evaluation of test lists for the synthesised speech test "Oldenburg Phrases" (OLPHRA), consisting of semantically meaningful phrases with the fixed structure article - adjective - noun - infinitive. Design Lists…
View details →Yamada SM · 2026 · Surgical neurology international
Background When low-flow oxygen (O2) delivery is required, a nasal cannula is commonly used. However, no reports have described arterial blood gas analysis in actual patients receiving O2 simultaneously through a mask and a nasal cannula.…
View details →Uygun SS, Ozturk M, Soylu H et al. · 2026 · BMC pediatrics
Background Premature birth is associated with a high risk of mortality and neurodevelopmental morbidity, with intraventricular hemorrhage (IVH) remaining a major cause of brain injury in preterm infants. Neuroprotective care bundles…
View details →Feng H, Gu J, Zhang J et al. · 2026 · Obesity surgery
Background Laparoscopic sleeve gastrectomy (LSG) provides durable, stable weight loss and ameliorates renal dysfunction, hyperuricemia (HUA), and other obesity-related metabolic disorders. Renal function is tightly linked to serum uric…
View details →Gourgouta M, Athanassiou CG, Arthur FH et al. · 2026 · Journal of economic entomology
This study evaluated the effects of sorghum variety and temperature on the population growth, frass production, kernel damage, and weight loss caused by Oryzaephilus surinamensis (L.) and Trogoderma variabile, Ballion, two common…
View details →Keon-Cohen ZM, Tran C, Jones D et al. · 2026 · Preprint
Abstract Background High-quality end-of-life care (EOLC) is a recognised health and human-rights priority, yet Australian evidence largely derives from administrative data and cancer-specific, facility-based samples. Little is known about…
View details →An N, Watanabe D, Miyachi M · 2026 · European journal of applied physiology
Purpose Excess post-exercise energy expenditure (EPEEE) refers to sustained elevation in energy expenditure above resting levels after exercise. This study compared the effect of morning (AM) and evening (PM) resistance exercise on EPEEE,…
View details →Liu R, Zhang H, Liu C et al. · 2026 · Communications biology
Everyday speech perception often occurs under concurrent cognitive demands, but it remains unclear how speech-extrinsic load influences the neural processing of continuous speech. Here, electroencephalography (EEG) recordings from 29…
View details →van Vliet KE, Lobbezoo F, van Splunter AP et al. · 2026 · BMC oral health
BACKGROUND: We hypothesized that wearing a mouthguard may affect salivary flow and composition. Therefore, we investigated the impact of mouthguard use on saliva secretion rate and some salivary constituents under different jaw activities.…
View details →Medina-Marino A, Shrader C, Axt J et al. · 2026 · Preprint
Abstract Background In sub-Saharan Africa, men with HIV and/or tuberculosis (TB) report negative experiences within health services and demonstrate poorer engagement and treatment outcomes compared to women. We developed and piloted an…
View details →Sönmez ÖA, Demirayak B, Bolat S et al. · 2026 · Preprint
Abstract Purpose To evaluate retinal microvascular changes in pediatric patients with systemic hypertension compared with healthy controls using optical coherence tomography (OCT) and optical coherence tomography angiography (OCTA).…
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