Negative / Null Result ReportMedicine
Zekre F, Neel T, Paul M et al. · 2026 · Clinical and experimental medicine
Porphyromonas gingivalis and Prevotella intermedia are key oral pathogens implicated in periodontal disease and have been associated with rheumatoid arthritis and specific categories of juvenile idiopathic arthritis. Whether oral dysbiosis…
View details →DOI: 10.1007/s10238-026-02204-5 Negative / Null Result ReportMedicine
Merdan S, Sarmış A, Aydoğan O et al. · 2026 · Sexually transmitted infections
Background Hepatitis C virus (HCV) coinfection is a significant comorbidity and public health concern among people living with HIV (PLWH). This study aims to estimate HCV seroprevalence among PLWH in Istanbul, Türkiye, and compare it with…
View details →DOI: 10.1136/sextrans-2026-056936 Negative / Null Result ReportMedicine
Che R, Milton A, Simpson R et al. · 2026 · Urology
Objective To evaluate prostate-specific antigen (PSA) screening patterns among gay and bisexual men and identify factors associated with screening uptake in this population. Methods We conducted a cross-sectional analysis using 2023…
View details →DOI: 10.1016/j.urology.2026.06.003 Negative / Null Result ReportOpen accessMedicine
Ernst P, Rachow T, Henn S et al. · 2026 · Journal of cancer research and clinical oncology
Purpose Residential radon exposure is recognised as one of the leading environmental risk factors for lung cancer and acts synergistically with tobacco smoking. Thuringia, Germany, exhibits high geogenic radon potential; however,…
View details →DOI: 10.1007/s00432-026-06524-7 Negative / Null Result ReportMedicine
Palshof FK, Korsholm RHR, Duriaud HM et al. · 2026 · European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology
Introduction Postoperative drains are commonly used after mastectomy to reduce seroma formation, but evidence of the benefit remains unclear. We evaluated the effect of postoperative drains on seroma formation and infection after…
View details →DOI: 10.1016/j.ejso.2026.111970 Negative / Null Result ReportMedicine
Zarekar T, Ahmadizad S, Hajifathali A et al. · 2026 · Stem cell research & therapy
Background and objective Hematopoietic progenitor cells (HPCs) mobilization is essential for successful bone marrow transplantation but may be impaired in cancer patients due to prior treatments. High-intensity interval exercise (HIIE) has…
View details →DOI: 10.1186/s13287-026-05084-4 Negative / Null Result ReportMedicine
Deore P, Upadhyay A, Thekkumpurath AS et al. · 2026 · World journal of microbiology & biotechnology
In grape, fructosphere microbiota play an important role in nutrient cycling, pathogen suppression, berry quality, and fermentation processes. Insecticide imidacloprid (IM) is used to manage several insect pests of grape. However, the…
View details →DOI: 10.1007/s11274-026-05095-6 Negative / Null Result ReportMedicine
Huang H, Zhang C, Hu H et al. · 2026 · Scientific reports
Generative AI is rapidly entering patient education workflows, yet its safety profile for concussion management remains undefined. Utilizing the CHART framework, this cross-sectional audit assessed five platforms, specifically isolating…
View details →DOI: 10.1038/s41598-026-51281-9 Negative / Null Result ReportMedicine
Kochhar S, Channapragada T, Shenoy V et al. · 2026 · Neurogastroenterology and motility
Introduction Pelvic floor biofeedback therapy (BFT) is the mainstay treatment for dyssynergic defecation, a condition defined by the Rome criteria. This retrospective study compares outcomes between patients referred for EMG-based BFT…
View details →DOI: 10.1111/nmo.70373 Negative / Null Result ReportMedicine
Brittenham C, Vanneau T, Molholm S · 2026 · The European journal of neuroscience
Autonomic responses to sensory stimuli are altered in autism, yet little is known about how multisensory input modulates these responses. This study examined whether auditory stimuli affect the pupil light reflex (PLR), a…
View details →DOI: 10.1111/ejn.70578 Negative / Null Result ReportMedicine
Tailor PD, Wang KY, Xu TT et al. · 2026 · Ophthalmic surgery, lasers & imaging retina
Background and objective This study aimed to characterize clinical characteristics and visual outcomes of patients with hemorrhagic choroidal detachments. Patients and methods Single-center retrospective case series of patients with…
View details →DOI: 10.3928/23258160-20260413-02 Negative / Null Result ReportMedicine
Saito Y, Kyoda Y, Nofuji S et al. · 2026 · International journal of urology : official journal of the Japanese Urological Association
Objectives No previous studies have directly compared pre- and postoperative pressure flow study (PFS) outcomes between transurethral resection of the prostate (TURP) and photoselective vaporization of the prostate using the GreenLight XPS…
View details →DOI: 10.1111/iju.70532 Negative / Null Result ReportMedicine
Wallig MA, Kabir MR, Han A et al. · 2026 · The Journal of the Acoustical Society of America
Quantitative ultrasound parameters offer effective tools to evaluate microstructural changes in liver tissue and noninvasively assess tissue health. We examined the relationship between steatotic liver disease severity, measured by the…
View details →DOI: 10.1121/10.0043904 Negative / Null Result ReportMedicine
Zaver HB, Reszczynski O, Singh A et al. · 2026 · Clinical and translational gastroenterology
Introduction Telehealth access is integral to digestive health care. This study examined demographic, insurance, and social determinants of health associated with missed telehealth appointments, with secondary comparisons with missed…
View details →DOI: 10.14309/ctg.0000000000001032 Negative / Null Result ReportMedicine
Seetapan K, Nobsathian S, Bullangpoti V et al. · 2026 · Environmental toxicology and chemistry
The fish embryo toxicity test is widely used as an alternative to conventional acute fish toxicity assays, but its ecological relevance may be limited when the model species is nonnative to the region of interest. Here, we evaluated rose…
View details →DOI: 10.1093/etojnl/vgag077 Negative / Null Result ReportMedicine
Loucas R, Loucas M, Müller R et al. · 2026 · Plastic and reconstructive surgery
Background Breast lipofilling is a commonly utilized method in plastic surgery for breast reconstruction and augmentation. However, the procedure is often limited by the unpredictable survival of fat grafts, leading to dissatisfied…
View details →DOI: 10.1097/prs.0000000000013135 Negative / Null Result Report
HOWARD G, CRETU C · 2026 · Preprint
Abstract This study examined differences in professional practice, teaching motivations, and self-efficacy beliefs between outdoor teachers (OT) and classroom-based teachers (TT) in Israeli elementary schools, addressing limited…
View details →DOI: 10.21203/rs.3.rs-9188152/v1 Negative / Null Result ReportMedicine
Yadav S, Kiran SP, Gurjar SK et al. · 2026 · Journal of minimal access surgery
Introduction Laparoscopic Heller's myotomy (LHM) with a partial fundoplication is the standard surgical therapy for achalasia cardia. However, the ideal gastric extension of the myotomy remains controversial, as it may influence both…
View details →DOI: 10.4103/jmas.jmas_534_25 Negative / Null Result ReportMedicine
Kadum F, Benko K, Batičić L et al. · 2026 · Medicina (Kaunas, Lithuania)
Background and Objectives : Atrial fibrillation (AF) and atrial flutter are associated with significant morbidity. While electrical cardioversion (ECV) is a standard treatment for sinus rhythm restoration, early arrhythmia recurrence is…
View details →DOI: 10.3390/medicina62061130 Negative / Null Result ReportMedicine
Chao X, Liu X, Luo J et al. · 2026 · Ear and hearing
Objectives To evaluate cochlear nerve responsiveness to electrical stimulation in prelingually deafened adults with late cochlear implantation by analyzing electrically evoked compound action potentials (eCAPs), and to compare their neural…
View details →DOI: 10.1097/aud.0000000000001850 Negative / Null Result ReportMedicine
Qian J, Zi-Zheng W, Teng X et al. · 2026 · BMC oral health
Purpose To evaluate the trueness and safety of an autonomous dental implant robotic system (ADIRS) for transcrestal maxillary sinus floor elevation (TSFE), to compare outcomes between flat and sloped sinus floor morphologies, and to…
View details →DOI: 10.1186/s12903-026-08381-9 Negative / Null Result Report
Thi Ngoc Bich P, Xuan Hung L, Thi Kim Thanh H · 2026 · Preprint
Background: PTSD in community-dwelling older adults remains under-recognized in post-conflict, low- and middle-income countries such as Vietnam, where mental health services have predominantly targeted direct trauma survivors. Whether…
View details →DOI: 10.12688/f1000research.180499.1 Negative / Null Result ReportOpen accessMedicine
Rimaitis M, Bilskienė D, Rimaitis K et al. · 2026 · Medicina (Kaunas, Lithuania)
Background and Objectives: Spinal (SA) and general anesthesia (GA) are both available for lumbar disc hernia (LDH) surgery. Patient satisfaction with anesthesia service is under-investigated and may help identify areas requiring…
View details →DOI: 10.3390/medicina62030524 Negative / Null Result ReportMedicine
Kurpad KP, Vorla M, Bin-Farooq T et al. · 2026 · Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions
Background Balancing ischemic and bleeding risks in patients undergoing percutaneous coronary intervention (PCI) who require anticoagulation remains a clinical challenge. While dual antithrombotic therapy (DAT) with a P2Y12 inhibitor and…
View details →DOI: 10.1002/ccd.70667 Negative / Null Result ReportMedicine
Marie A, Leclere JC, Fleming Y et al. · 2026 · Audiology & neuro-otology
Introduction Cochlear implantation is the standard of care for children with severe-to-profound sensorineural hearing loss, offering substantial improvements in speech intelligibility, tonal audiometry perception, language acquisition, and…
View details →DOI: 10.1159/000551887 Negative / Null Result ReportMedicine
Đuran I, Komazec N, Ljubičić B et al. · 2026 · Biomolecules & biomedicine
Cardiovascular disease is a leading cause of mortality in chronic kidney disease (CKD), but whether impaired renal function independently increases coronary artery calcium (CAC) burden in patients with comparable cardiovascular referral…
View details →DOI: 10.17305/bb.2026.14105 Negative / Null Result ReportMedicine
Chung K · 2026 · The journal of physician assistant education : the official journal of the Physician Assistant Education Association
Introduction Amid a preceptor shortage, this pilot study examined the relationship between generativity, a psychosocial construct reflecting concern for guiding the next generation, and demographic characteristics among physician…
View details →DOI: 10.1097/jpa.0000000000000751 Negative / Null Result ReportMedicine
Arga G, Öcal D, Özdemir H et al. · 2026 · Turkish archives of pediatrics
Objective This study aimed to evaluate the indications and clinical and microbiological outcomes of tigecycline use in pediatric patients and to analyze the factors associated with treatment success and mortality. Methods The patients…
View details →DOI: 10.65717/turkarchpediatr.2026.25440 Negative / Null Result ReportOpen accessMedicine
Jallad M, AlAnazi B, Aloqbawi A et al. · 2026 · Saudi journal of anaesthesia
Background Pediatric tonsillectomy is commonly associated with significant postoperative pain. Opioids remain a mainstay for perioperative analgesia but carry risks of respiratory depression and prolonged recovery, especially in patients…
View details →DOI: 10.4103/sja.sja_788_25 Negative / Null Result ReportMedicine
Iwagami S, Yamamoto H, Miyai H et al. · 2026 · Lower urinary tract symptoms
Objectives To evaluate whether frailty at treatment initiation is associated with treatment-related adverse events in patients with newly diagnosed overactive bladder (OAB). Methods This retrospective, single-center cohort study included…
View details →DOI: 10.1111/luts.70060 