Negative / Null Result ReportMedicine
Sun J, Xiong Y, Qiu J et al. · 2026 · Annals of surgical oncology
Background Locally advanced thymic epithelial tumors (TETs) may extend into the adjacent brachiocephalic vein (BCV), creating major technical challenges for resection. While BCV reconstruction is traditionally considered after tumor…
View details →DOI: 10.1245/s10434-026-19935-0 Negative / Null Result Report
Sanchez MAC, Ruiz J, Siffredi J et al. · 2026 · Preprint
Abstract Background: Posterior sagittal anorectoplasty (PSARP) remains the standard surgical approach for rectobulbar fistula in patients with anorectal malformations (ARM). Laparoscopically assisted anorectoplasty (LAARP) has emerged as…
View details →DOI: 10.21203/rs.3.rs-9556600/v1 Negative / Null Result ReportMedicine
Lis M, Miłuch T, Krupa R et al. · 2026 · Scientific reports
Major depressive disorder (MDD) frequently co-occurs with obesity, suggesting shared neuroendocrine mechanisms. Ghrelin, a hormone involved in appetite regulation, stress response, and reward processing, has been proposed as a biological…
View details →DOI: 10.1038/s41598-026-54095-x Negative / Null Result ReportMedicine
Maeda K, Funahashi H, Tokutake K et al. · 2026 · International orthopaedics
Purpose This study aimed to evaluate postoperative outcomes, including clinical results, radiological assessments, and complications, in patients over 50 years old with nondisplaced femoral neck fractures (Garden classification I-II)…
View details →DOI: 10.1007/s00264-026-06870-8 Negative / Null Result ReportMedicine
Liu Y, Liu L, Wang J et al. · 2026 · Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists
Objective Nephrotoxicity of bisphosphonates limits their utility in the management of severe hypercalcemia among patients with primary hyperparathyroidism (PHPT) and impaired renal function. It remains unclear whether denosumab is an…
View details →DOI: 10.1016/j.eprac.2026.05.034 Negative / Null Result ReportMedicine
Zheng J, Chen M, Fu J · 2026 · BMC oral health
Background This retrospective cohort study evaluated a Locator-bilateral segmental bar concept (LBSB) for maxillary implant-supported overdentures and compared it with a conventional rigid bar concept (CRB) in terms of implant survival,…
View details →DOI: 10.1186/s12903-026-08764-y Negative / Null Result ReportMedicine
Gentile T, Vanacore S, Caputo M et al. · 2026 · Children (Basel, Switzerland)
Background/objectives Dental anxiety represents a major challenge in paediatric dentistry and is a frequent cause of non-cooperative behaviour during dental treatment. Nitrous oxide/oxygen inhalation conscious sedation is widely used to…
View details →DOI: 10.3390/children13060812 Negative / Null Result Report
Kurz S, Habich O, Brauer K et al. · 2026 · Preprint
Abstract Purpose To evaluate whether patients aged > 75 years with spinal cord injury (SCI) benefit from specialized inpatient rehabilitation, focusing on functional outcomes and discharge destination. Methods This retrospective…
View details →DOI: 10.21203/rs.3.rs-9332195/v1 Negative / Null Result ReportMedicine
Aucoin AA, Zhidkov V, Legere RM et al. · 2026 · American journal of veterinary research
Objective To characterize age-related trajectories of the relative concentrations of anti-virulence-associated protein A (VapA) immunoglobulin (Ig)-G1, IgG3/5, IgG4/7, and IgA in serum and bronchoalveolar lavage fluid (BALF) as indicators…
View details →DOI: 10.2460/ajvr.25.11.0402 Negative / Null Result ReportMedicine
Wang X, Li W, Wang F et al. · 2026 · Pain management nursing : official journal of the American Society of Pain Management Nurses
Purpose The objective of this study was to evaluate whether combining pain neuroscience education (PNE) with progressive muscle relaxation (PMR) could reduce acute pain after thoracoscopic lung resection, alleviate psychological distress,…
View details →DOI: 10.1016/j.pmn.2026.03.024 Negative / Null Result ReportMedicine
Chen L, Xu D, Hou L · 2026 · Medical principles and practice : international journal of the Kuwait University, Health Science Centre
Background/objective Prone percutaneous nephrolithotomy (PCNL) is commonly performed under general anesthesia (GA); however, increasing evidence supports the feasibility of PCNL under spinal anesthesia (SA). This study presents our…
View details →DOI: 10.1159/000552326 Negative / Null Result ReportMedicine
Mao W, Lu N · 2026 · Journal of investigative surgery : the official journal of the Academy of Surgical Research
Objective To evaluate short-term clinical outcomes, surgeon-reported fatigue, and staff user experience associated with a multifunctional operative support arm in reproductive laparoscopic surgery. Design Single-center, parallel-group…
View details →DOI: 10.1080/08941939.2026.2668806 Negative / Null Result Report
Sorjonen K, Melin B, Melin M · 2026 · Preprint
Based on prospective cross-lagged effects, Zhou and Wang concluded that emotional intelligence and psychological empowerment contribute to increased work engagement among university administrators. However, it is well known that…
View details →DOI: 10.31234/osf.io/2ae4w_v1 Negative / Null Result ReportMedicine
Taş MO, Güleryüz A · 2026 · BMC oral health
Background The management of proximal cavities under porcelain laminate veneers remains a clinical challenge. Conventional strategies-such as placing an intermediate composite restoration or extending the preparation-require additional…
View details →DOI: 10.1186/s12903-026-08841-2 Negative / Null Result ReportMedicine
Hayashi S, Yoshida M, Hayashi K et al. · 2025 · Journal of cataract and refractive surgery
Purpose To compare visual performance among 3 types of higher-order aspheric enhanced monofocal intraocular lenses (IOLs) and a standard aspheric monofocal IOL. Setting Hayashi Eye Hospital, Fukuoka, Japan. Design Randomized comparative…
View details →DOI: 10.1097/j.jcrs.0000000000001734 Negative / Null Result ReportMedicine
Nsawotebba A, Nakintu V, Kabazzi J et al. · 2026 · Nature communications
Mpox diagnosis relies on lesion swabs, which are infeasible when lesions are absent or inaccessible, limiting case detection during outbreaks and surveillance in resource-limited settings. This cross-sectional paired diagnostic study…
View details →DOI: 10.1038/s41467-026-73489-z Negative / Null Result ReportMedicine
Durak HM, Sancı A, Hepşen E et al. · 2026 · Actas urologicas espanolas
Introduction To compare the efficacy and perioperative outcomes of miniaturized percutaneous nephrolithotomy (mini-PCNL) and flexible ureteroscopy with flexible and navigable suction ureteral access sheath (FANS-UAS) in the management of…
View details →DOI: 10.1016/j.acuroe.2026.501997 Negative / Null Result ReportMedicine
Rusin K, Myers A, Rech ME et al. · 2026 · Journal of pediatric psychology
Objective Children who spend time in foster care are at risk for adverse developmental outcomes, including sleep problems. Yet, research examining sleep and emotional memory has primarily focused on children with no history of foster care…
View details →DOI: 10.1093/jpepsy/jsag039 Negative / Null Result Report
Suerink M, Hoffer M, Dingemans A et al. · 2026 · Preprint
Abstract Prenatal exome sequencing (pES) is challenging due to rapid turnaround requirements and limited phenotype information. Analysis strategies span gene panels through exome-wide review, with Artificial Intelligence (AI) as optional…
View details →DOI: 10.21203/rs.3.rs-9634215/v1 Negative / Null Result Report
von Oelreich E, Eriksson J, Arnason B et al. · 2026 · Preprint
Abstract Background Blunt and penetrating trauma differ in injury patterns, management, and outcomes, but data comparing early physiological and haemostatic responses within Scandinavian trauma systems remain limited. We aimed to…
View details →DOI: 10.21203/rs.3.rs-9969793/v1 Negative / Null Result ReportMedicine
Youssef MW, Perrin L, Denormandie AC et al. · 2026 · The French journal of urology
Purpose Ambulatory artificial urinary sphincter (AUS) implantation has been proposed as an alternative to conventional inpatient surgery, but comparative data remain limited. We aimed to compare early postoperative outcomes between…
View details →DOI: 10.1016/j.fjurol.2026.103135 Negative / Null Result Report
Sezici YL, Sabah GA · 2026 · Preprint
Abstract Background To evaluate and compare the performance of three artificial intelligence (AI) chatbots in generating responses to orthodontic retention-related questions in terms of clinical quality and readability. Methods A…
View details →DOI: 10.21203/rs.3.rs-9495119/v1 Negative / Null Result ReportMedicine
Yalçın S, Bostanoğlu Karaçin A, Aydın Ö et al. · 2026 · Respiratory medicine
Background In 2023, the European Academy of Allergy and Clinical Immunology (EAACI) proposed an immune response-based classification that integrates molecular, endotypic, and clinical characteristics to define predominant and co-occurring…
View details →DOI: 10.1016/j.rmed.2026.108961 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 