Negative / Null Result Report
J D, J JA, S S et al. · 2026 · Preprint
Abstract Objective To analyze intraoperative metabolic parameters from carbon dioxide during cardiopulmonary bypass (CPB) and their association with postoperative hyperlactatemia in elective cardiac surgery. Methods This study observed 26…
View details →DOI: 10.21203/rs.3.rs-9702308/v1 Negative / Null Result ReportMedicine
Özcan Ulubeli P, Aydoğan Z, Karakaya Gojayev E et al. · 2026 · Folia phoniatrica et logopaedica : official organ of the International Association of Logopedics and Phoniatrics (IALP)
Introduction This study aimed to evaluate pain complaints, as well as voice and swallowing functions, in professional voice users, and to compare the effectiveness of three therapeutic approaches: vocal hygiene (VH), vocal function…
View details →DOI: 10.1159/000550481 Negative / Null Result ReportMedicine
Wang X, Xu Y, Lin X et al. · 2026 · Scientific reports
Left ventricular-arterial (V-A) coupling is a key determinant of cardiovascular performance, which integrates intrinsic myocardial contractility with ventricular afterload. Septic shock frequently disrupts this coupling, and norepinephrine…
View details →DOI: 10.1038/s41598-026-56605-3 Negative / Null Result ReportMedicine
Maisto A, Sanders RGP, de Hemptinne A et al. · 2026 · Ultrasonics
In this work, we combine acoustic streaming measurements, direct vibration measurements and the theory of wave dispersion to interpret changes in acoustic streaming. The vibration dynamics of the PZT are studied under frequency sweeping…
View details →DOI: 10.1016/j.ultras.2026.108182 Negative / Null Result Report
Pintus E, Scaringi M, Engelen J et al. · 2026 · Preprint
Impaired seminal redox balance is a main factor that contributes to male fertility disorders and reduced sperm survival during storage. Although several methods are available to measure antioxidant and reactive oxygen species (ROS) levels,…
View details →DOI: 10.64898/2026.05.21.726780 Negative / Null Result ReportMedicine
Kotenko O, Kozlovskaya N, Emirova K et al. · 2026 · Nephron
Background The objective of a multicentre, prospective, observational study of an eculizumab biosimilar (Elizaria®) was to analyse the efficacy and safety of long-term complement inhibitor therapy in patients with atypical haemolytic…
View details →DOI: 10.1159/000552914 Negative / Null Result Report
Tao J, Cheng D, Wang N · 2026 · Preprint
Abstract Background Fluid retention and the obesity paradox often mask true muscle wasting in patients with proteinuric chronic kidney disease (CKD), and conventional quantity-based metrics such as body mass index or cross-sectional tissue…
View details →DOI: 10.21203/rs.3.rs-9335582/v1 Negative / Null Result ReportMedicine
Joswig H, Oreizi-Esfahani S, Medack S et al. · 2026 · World neurosurgery
Background Parkinson's disease (PD) is a neurodegenerative disorder characterized by the loss of dopaminergic neurons in the substantia nigra, resulting in motor and nonmotor symptoms including diminished sleep quality and altered dream…
View details →DOI: 10.1016/j.wneu.2026.124816 Negative / Null Result ReportOpen accessMedicine
Raza GS, Jokelainen J, Stenbäck V et al. · 2026 · PloS one
Physical activity (PA) has numerous positive health effects, including improvements in cognitive function. PA stimulates the release of glycosylphosphatidylinositol-specific phospholipase D1 (GPLD1) from the liver, resulting in hippocampal…
View details →DOI: 10.1371/journal.pone.0349883 Negative / Null Result ReportMedicine
Esen Öksüzoğlu M, Kabukçu HO · 2026 · BMC psychiatry
Background Sleep terror (ST) is a common NREM parasomnia in early childhood and may be associated with broader emotional and behavioral dysregulation. However, its links with psychopathological symptoms and nutritional biomarkers remain…
View details →DOI: 10.1186/s12888-026-08298-1 Negative / Null Result Report
Agarwal P, Thapa M, Karki P · 2026 · Preprint
Abstract Background Increase in IOP after Vitreoretinal surgery is uncommon but sight threatening complication. This study aims to determine the incidence and risk factors of intraocular pressure (IOP) elevation following vitreoretinal…
View details →DOI: 10.21203/rs.3.rs-9509509/v1 Negative / Null Result ReportMedicine
Tcherner S, Durom E, Peters J et al. · 2026 · COPD
In patients with moderate-to-severe COPD, airway mucus-occlusions correlate with airflow limitation, exacerbation and mortality-risk. However, the clinical relevance of mucus-plugs in milder COPD is not well-understood. We evaluated…
View details →DOI: 10.1080/15412555.2026.2681969 Negative / Null Result ReportMedicine
Huang F, Chen K · 2026 · Human factors
ObjectiveThis study investigated how affective characteristics of interruptions (valence and arousal) influence task resumptions and post-interruption performance in younger and middle-aged/older adults under different task…
View details →DOI: 10.1177/00187208261446106 Negative / Null Result Report
Sevahil D · 2026 · Preprint
The aim of this study was to examine the causal pathways from prosocial behavior to well-being in different grades of primary school children. We assessed for whether family support andpeer acceptance mediate this relationship, along to…
View details →DOI: 10.31234/osf.io/nyahz_v1 Negative / Null Result ReportMedicine
Steen AV, Simmering JA, Perik M et al. · 2026 · BJOG : an international journal of obstetrics and gynaecology
Objective To determine the anatomical effect of pessaries in the upright position in women with pelvic organ prolapse (POP). Design Prospective observational cohort study. Setting Outpatient clinic of our gynaecology department. Population…
View details →DOI: 10.1111/1471-0528.70280 Negative / Null Result ReportMedicine
Rawat R, Abrahamson CW, Rogers K et al. · 2026 · The Laryngoscope
Objectives To evaluate the effects of swallowing therapy and cricopharyngeus (CP) muscle surgery on upper esophageal sphincter (UES) opening, oral intake, and airway protection in patients with absent UES opening following neurological…
View details →DOI: 10.1002/lary.70630 Negative / Null Result ReportMedicine
Ponissery Saidu S, Kross A, Dibattista M et al. · 2026 · The Journal of general physiology
Odorants in the inhaled air bind to odorant receptors embedded in cilia of olfactory receptor neurons, triggering the opening of the two ciliary olfactory transduction channels; first, a cationic heterotetrameric cAMP-gated channel,…
View details →DOI: 10.1085/jgp.202513963 Negative / Null Result ReportMedicine
Śliwińska A, Świtaj K, Durma AD · 2026 · Nuclear medicine review. Central & Eastern Europe
Background Neuroblastoma (NB) is the most common extracranial solid tumor in children. Metaiodobenzylguanidine (MIBG) selectively accumulates in adrenergic tissue, enabling its use for diagnostic imaging of NB. The implementation of new…
View details →DOI: 10.5603/nmr.110976 Negative / Null Result ReportMedicine
Lehman A, Layton P, Mishkulin S et al. · 2026 · Sexually transmitted diseases
Doxycycline postexposure prophylaxis (doxyPEP) may affect RPR titers. We describe syphilis diagnosis following doxyPEP roll-out. Syphilis diagnoses decreased (3.4%-1.5%) among persons prescribed doxyPEP. Diagnosis without laboratory…
View details →DOI: 10.1097/olq.0000000000002298 Negative / Null Result ReportMedicine
Fenwick A, Glasheen BM, Cammarato A et al. · 2026 · Biophysical reports
Drosophila models have proven invaluable for studying skeletal and cardiac muscle diseases. While permeabilized indirect flight muscle (IFM) and jump muscle fibers from Drosophila yield insightful mechanical data, these preparations cannot…
View details →DOI: 10.1016/j.bpr.2026.100268 Negative / Null Result ReportMedicine
Graham RR, Salgado BE, Guerrero E et al. · 2026 · European journal of applied physiology
Purpose This pilot study examined whether collagen supplementation, via gelatin, influences indices of skeletal muscle recovery following strenuous exercise. Methods Using a double-blind, randomized, placebo-controlled design,…
View details →DOI: 10.1007/s00421-026-06288-5 Negative / Null Result ReportMedicine
Costa D, Guerra A, Birreci D et al. · 2026 · Movement disorders : official journal of the Movement Disorder Society
Background Cervical dystonia (CD) is a movement disorder with a complex pathophysiology, including cerebellar abnormalities. Transcranial alternating current stimulation (tACS), a noninvasive neuromodulation technique capable of entraining…
View details →DOI: 10.1002/mds.70394 Negative / Null Result ReportMedicine
Giotakis AI, Steinbichler TB, Heppt H et al. · 2026 · The Journal of craniofacial surgery
The exact nasal changes caused by several types of maxillofacial surgery are not yet thoroughly understood. The aim of the present study was to determine the exact nasal airway changes caused by maxillary advancement and impaction. In a…
View details →DOI: 10.1097/scs.0000000000012853 Negative / Null Result ReportOpen accessMedicine
Hostrup M, Jessen S, Tischer SG et al. · 2026 · Scandinavian journal of medicine & science in sports
Misuse of beta 2 -agonists to promote leanness is increasingly reported among young men undertaking resistance training. However, preclinical models demonstrate adverse cardiac remodeling with high-dose beta 2 -agonist. We investigated…
View details →DOI: 10.1111/sms.70302 Negative / Null Result ReportMedicine
Rostron ZPJ, Feller JA, McClelland JA et al. · 2026 · Physical therapy in sport : official journal of the Association of Chartered Physiotherapists in Sports Medicine
Objectives To determine the change in modified star excursion balance test scores in patients between 6 and 12 months following anterior cruciate ligament (ACL) reconstruction and the change in the proportion of patients who met…
View details →DOI: 10.1016/j.ptsp.2026.101941 Negative / Null Result ReportMedicine
Hart HF, Patterson BE, Atkinson HF et al. · 2026 · Journal of sport rehabilitation
Context Weakness of the quadriceps and hamstrings often persists following rehabilitation after anterior cruciate ligament reconstruction (ACLR). Yet, recovery of the gastrocnemius muscle following ACLR remains unclear. Thus, we aimed to…
View details →DOI: 10.1123/jsr.2026-0023 Negative / Null Result ReportOpen accessMedicine
Pitimada M, Chiumello D, Monte A et al. · 2026 · Journal of robotic surgery
To evaluate changes in acid-base equilibrium in plasma and urine according to the Stewart’s approach, in gas exchange and in respiratory mechanics during robotic-assisted surgery. Prospective observational study on patients undergoing…
View details →DOI: 10.1007/s11701-026-03392-8 Negative / Null Result ReportMedicine
Dunseath GJ, Cheung WY, Luzio SD et al. · 2026 · Diabetes care
Objective To determine whether less invasive C-peptide tests, urine C-peptide-to-creatinine ratio (UCPCR) and dried blood spot (DBS), could replace the mixed-meal tolerance test (MMTT) in the context of an interventional clinical trial…
View details →DOI: 10.2337/dc25-2896 Negative / Null Result ReportMedicine
Wu S, Liu Q, Li L et al. · 2025 · Agriculture, Ecosystems and Environment.
Forage production and quality, two crucial ecosystem functions of grasslands, often demonstrate a trade-off and are significantly affected by both grassland community characteristics and environmental factors. However, whether and how…
Negative / Null Result ReportMedicine
de Almeida GN, de Jesus LG, Branco MEC et al. · 2026 · Journal of applied animal welfare science : JAAWS
Track devices can cause behavioral, physical, and physiological adverse effects, with individuals varying in how quickly they adapt to them. We examined behavioral effects of replica radio-collars on two captive psittacid species,…
View details →DOI: 10.1080/10888705.2026.2681557 