Negative / Null Result ReportMedicine
Goker Kamali S, Imamoglu YT · 2026 · Australian endodontic journal : the journal of the Australian Society of Endodontology Inc
This study compared the accuracy and repeatability of responses generated by three advanced language models (ChatGPT-4, Gemini, and DeepSeek) in determining the necessity and appropriate regimen of antibiotic prophylaxis in endodontic…
View details →DOI: 10.1111/aej.70086 Negative / Null Result ReportMedicine
Şahin M, Asan CY, Çukurluoğlu A et al. · 2026 · Journal of cranio-maxillo-facial surgery : official publication of the European Association for Cranio-Maxillo-Facial Surgery
Sagittal split ramus osteotomy (SSRO), a widely used mandibular procedure in orthognathic surgery, may affect the masticatory muscles through subperiosteal dissection and soft-tissue manipulation. Although minimally invasive modifications…
View details →DOI: 10.1016/j.jcms.2026.104646 Negative / Null Result ReportMedicine
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 →DOI: 10.1007/s11845-026-04509-6 Negative / Null Result ReportMedicine
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 →DOI: 10.1016/j.jocn.2026.112146 Negative / Null Result Report
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 →DOI: 10.21203/rs.3.rs-9602557/v1 Negative / Null Result ReportMedicine
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 →DOI: 10.1111/ahe.70145 Negative / Null Result ReportMedicine
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 →DOI: 10.1007/s13312-026-00371-y Negative / Null Result Report
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 →DOI: 10.21203/rs.3.rs-9674077/v1 Negative / Null Result ReportMedicine
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 →DOI: 10.1097/sle.0000000000001481 Negative / Null Result ReportMedicine
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 →DOI: 10.3390/medicina62061048 Negative / Null Result ReportMedicine
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 →DOI: 10.1016/j.ijmmb.2026.101175 Negative / Null Result ReportMedicine
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 →DOI: 10.1016/j.gie.2026.06.038 Negative / Null Result Report
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 →DOI: 10.21203/rs.3.rs-9337626/v1 Negative / Null Result ReportOpen accessMedicine
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 →DOI: 10.1007/s00402-026-06344-x Negative / Null Result ReportMedicine
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 →DOI: 10.1016/j.rvsc.2026.106278 Negative / Null Result ReportMedicine
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 →DOI: 10.1186/s12917-026-05670-x Negative / Null Result ReportOpen accessMedicine
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 →DOI: 10.3390/ani16111612 Negative / Null Result ReportMedicine
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 →DOI: 10.1097/jhq.0000000000000525 Negative / Null Result ReportMedicine
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 →DOI: 10.1038/s41598-026-55209-1 Negative / Null Result ReportMedicine
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 →DOI: 10.1186/s12872-026-06151-7 Negative / Null Result ReportMedicine
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 →DOI: 10.1002/lary.70697 Negative / Null Result ReportMedicine
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 →DOI: 10.1080/14992027.2026.2665401 Negative / Null Result ReportOpen accessMedicine
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 →DOI: 10.25259/sni_1393_2025 Negative / Null Result ReportMedicine
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 →DOI: 10.1186/s12887-026-07091-z Negative / Null Result ReportMedicine
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 →DOI: 10.1007/s11695-026-08790-3 Negative / Null Result ReportMedicine
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 →DOI: 10.1093/jee/toag139 Negative / Null Result Report
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 →DOI: 10.21203/rs.3.rs-9879018/v1 Negative / Null Result ReportMedicine
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 →DOI: 10.1007/s00421-026-06268-9 Negative / Null Result ReportMedicine
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 →DOI: 10.1038/s42003-026-10394-7 Negative / Null Result ReportOpen accessMedicine
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 →DOI: 10.1186/s12903-026-07849-y 