11,412 real negative results, null findings, and replication failures in Medicine · 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.
M. Hahnemann, B. Karger, S. Banaschak et al. · 2026 · Pediatric Radiology
Background In pediatric abusive head trauma (AHT), retinal hemorrhages are a key diagnostic feature. Detection by fundoscopy may be delayed or limited, whereas magnetic resonance imaging (MRI) enables non-invasive, objective assessment on…
View details →Álvaro Cavieres, Vanessa Acuña, M. Arancibia et al. · 2023 · Schizophrenia Research: Cognition
People with schizophrenia have difficulties recognizing other people's expressions, emotional states, and intentions; however, much less is known about their ability to perceive and understand social interactions. We used scenes depicting…
View details →S. K. Agrawal, M. Jindal · 2020 · Obsgyne Review: Journal of Obstetric and Gynecology
Background: The purpose of this study was to compare daily iron supplementation and intermittent iron supplementation in preventing anemia in healthy pregnant women. Material and Method: Prospective Randomized Clinical Trial. From May 2004…
View details →J. Lee, Y. Han, T. Sung et al. · 2022 · Frontiers in Pediatrics
Background Preterm infants are at greater risk of developing postnatal cytomegalovirus (CMV) infection with serious symptoms. Breast milk is the main route of CMV transmission in populations with a high seroprevalence. Objectives This…
View details →Seda Gömleksiz, Oğuzhan Gömleksiz · 2025 · BMC Oral Health
The study aimed to investigate the effect of different cavity depths on the degree of conversion (DC) and surface microhardness (MH) of low-shrinkage resin composites. Three low-shrinkage resin composites (Clearfil Majestry Posterior/CMP,…
View details →Vinay Kansal, M. Schlenker, I. Ahmed · 2019 · Acta ophthalmologica
revealed that plasma cortisol in diabetic patients had a 18% and 21% drop from the baseline at day 7 (from 110 to 90 ng/ ml, p = 0.032) and day 21 (from 110 to 86 ng/ml, p = 0.027) as seen in Fig. 1. For RVO patients, the drops were not…
View details →Paulo Gago, A. Arndt, M. Ekblom · 2017 · Journal of Human Kinetics
Abstract Flexing the knee to isolate the single joint soleus from the biarticular gastrocnemius is a strategy for investigating individual plantarflexor’s post activation potentiation (PAP). We investigated the implications of testing…
View details →Omer Bozduman, Kadri Yıldız, Bilal Aykaç et al. · 2025 · Turkish Neurosurgery
AIM To establish the presence and amount of fluid accumulation in UBE procedure, and the relationship of fluid management with other variables. MATERIAL AND METHODS All patients underwent UBE spinal surgery with one level between September…
View details →N. Minian, Sheleza Ahad, Anna Ivanova et al. · 2021 · Implementation Science
Background Knowledge brokering is a knowledge translation approach that has been gaining popularity in Canada although the effectiveness is unknown. This study evaluated the effectiveness of generalised, exclusively email-based prompts…
View details →M. Haugen, F. T. Vårvik, J. Grgic et al. · 2023 · European Journal of Nutrition
The aim of this study was to explore the isolated and combined effects of caffeine and citrulline malate (CitMal) on jumping performance, muscular strength, muscular endurance, and pain perception in resistance-trained participants. Using…
View details →Z. Abdulrahman, Hamza Naciri, A. Allal et al. · 2017
Background: ABO-incompatible (ABOi) is as efficient as ABO-compatible (ABOc) kidneytransplantation in the setting of live-donation. Objectives: To evaluate the long-term outcomes (i.e. >6 months) of 44 consecutive ABOi living-donor…
View details →Ulysse Rocabert, Maxim A. Parnicki-Krollik, F. Maccari et al. · 2024 · ACS Omega
This study investigates the chemical, physical, and magnetic properties of Mn–Al–C type magnets, focusing on their corrosion resistance. The hot compaction process is used for densification, producing isotropic magnets. Microstructural…
View details →Kosaka T, Kubo K · 2026 · PloS one
This study aimed to examine the effects of muscle-tendon mechanical properties and electromyographic activity patterns on individual differences in the force-power relationship during jumping with and without countermovement. Twenty men…
View details →Rossmann J, Hense K, Knott M et al. · 2026 · Journal of neurosurgery
Objective Predicting language lateralization using functional MRI (fMRI) in patients with cerebral vascular malformations close to language areas is essential for treatment decision-making and patient outcomes. Functional MRI-based…
View details →Hearris MA, Langan-Evans C, Foo WL et al. · 2026 · European journal of nutrition
PURPOSE: The ergogenic effects of caffeine on cognitive performance are largely restricted to improved alertness and enhanced attention and do not typically extend to other cognitive domains. In contrast, plant extracts and phytochemicals…
View details →Shi Y, Shi X, Li H et al. · 2026 · British journal of hospital medicine (London, England : 2005)
Aims/background Pharmacological therapy can enhance the therapeutic efficacy of radiofrequency ablation (RFA) for atrial fibrillation (AF) and reduce the risk of recurrence. Dronedarone and amiodarone are two commonly prescribed adjuvant…
View details →Hiiragi K, Sopheak T, Sophors C et al. · 2026 · Tree physiology
Although previous studies have suggested that lianas exhibit superior growth compared with trees during dry seasons, their strategies for acquiring water remain poorly understood. This study investigated the water uptake depth and…
View details →Kanazawa M, Mochizuki F, Komori M · 2026 · PloS one
Facial nerve decompression is a surgical procedure performed for severe facial nerve paralysis associated with conditions such as Bell's palsy and Ramsay Hunt syndrome. Classical Western studies by Fisch first established the surgical…
View details →Li F, Huang D, Liang Z · 2026 · BMC anesthesiology
Objective To investigate the awareness, clinical management practices, and training needs of otolaryngologists and anesthesiologists regarding endotracheal tube dislodgement (ETTD) during transoral oropharyngolaryngeal surgery. Methods A…
View details →Hong M, Lee SW, Jung M · 2026 · Journal of hospice and palliative care
Purpose This study aimed to evaluate changes in the proportion of patients receiving palliative sedation (PS) before and after the mass resignation of junior physicians in South Korea. Methods This single-center retrospective chart review…
View details →Wang M, Liu R, Xia T et al. · 2026 · JMIR pediatrics and parenting
Background Patients with mucopolysaccharidosis (MPS) appear to have an increased risk of developing dental disease. Objective This study aimed to evaluate the status of dental caries and dental anomalies among Chinese patients with…
View details →Li Z, Zhu J, Guo J et al. · 2026 · Clinical oral investigations
Objectives This study aimed to investigate the influence of application methods combining different curing modes (pre-curing or co-curing) and flowable composite temperature (room temperature or pre-heating to 68 °C) on the shear bond…
View details →Temiztürk Z, Beyazal OF, Topçu AC et al. · 2026 · Brazilian journal of cardiovascular surgery
Introduction The aim of our study is to investigate the relationship and predictive significance of routinely measured serum lactate values with postoperative atrial fibrillation (POAF) in patients following isolated coronary artery bypass…
View details →Eveson TE, Davis TP, Tindall AJ · 2026 · Journal of orthopaedics
Background Accurate medio-lateral sizing of the distal femur during total knee replacement (TKR) is essential to optimise implant fit and avoid over- or under-hang, which have been associated with suboptimal outcomes. National guidance…
View details →Icoz M, Aktas Ozaltun O · 2026 · Clinical ophthalmology (Auckland, N.Z.)
Purpose To compare the refractive effects of paired-opposite clear corneal incision (p-OCCI) with-the-rule (WTR), against-the-rule (ATR) and oblique astigmatism. Methods This retrospective study was conducted in 131 patients undergoing…
View details →Hu Z, Ma R, Wen Y et al. · 2026 · Cancer medicine
Background The optimal therapeutic strategy for patients with T2-3N0-3 M0 or T1N1-3 M0 hypopharyngeal squamous cell carcinoma (HPSCC) and the use of postoperative radiotherapy with or without systemic therapy for patients with T1-2N1M0…
View details →Kassem BA, Osman SM, El-Mahallawy Y · 2026 · Clinical oral investigations
INTRODUCTION: The stimulatory effects of laser Biostimulation on immediate implant clinical wound healing and radiographic bone quality analysis is with insufficient evidence. AIM: To evaluate the effect of low-level diode laser as a…
View details →Li H, Ding S, Li J et al. · 2026 · Frontiers in medicine
Background The incidence of elderly-onset ulcerative colitis (EO-UC) has been gradually increasing. The unique characteristics of clinical manifestations, therapeutic strategies, and prognosis in EO-UC patients compared with adult-onset…
View details →Zhang HM, Wu MX, Wang HY et al. · 2026 · Zhonghua yi xue za zhi
Objective: To explore the mechanism of vitamin K2 (VitK2) regulating matrix Gla protein (MGP) in inhibiting tumor growth in inflammation-associated colorectal cancer (CAC) model mice. Methods: Twenty-six C57BL/6 male mice, 6-8 weeks old…
View details →Pusdekar VP, Dare G, Bhojwani P et al. · 2026 · Turkish journal of surgery
Objective Surgical site infections (SSIs) are among the most common postoperative complications, contributing to morbidity, prolonged hospital stays, and healthcare costs. Prophylactic antibiotics are widely used, but the optimal regimen…
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