Negative / Null Result ReportMedicine
Salcedo GG, Galvis JSS, Medina SEM et al. · 2026 · Neurourology and urodynamics
Introduction The intravesical injection of onoabotulinum toxin A is a cornerstone in the management of overactive bladder. Traditionally, treatment involves 20 injection sites, avoiding the bladder trigone. Recent studies have shown that…
View details →DOI: 10.1002/nau.70340 Negative / Null Result ReportMedicine
Masumi Z, Bagheri M, Feizi R et al. · 2026 · BMC nursing
Background The rising use of C-arm fluoroscopy in operating rooms raises occupational safety concerns for perioperative nurses. They may face scattered ionizing radiation despite not being classified as radiation workers. This study…
View details →DOI: 10.1186/s12912-026-04780-z Negative / Null Result ReportMedicine
Bolgen C, Karluka I · 2026 · Annals of vascular surgery
Background The study examines whether omitting local anesthesia at the tunneling site during subcutaneous port catheter implantation is associated with differences in patient comfort and procedural outcomes through pain assessment during…
View details →DOI: 10.1016/j.avsg.2026.03.022 Negative / Null Result ReportMedicine
Baybora H, Özal E, Özal SA · 2026 · BMC ophthalmology
Background There are research findings suggesting that antiglaucoma agents may reduce aqueous humor outflow and decrease the elimination of intravitreally administered anti-vascular endothelial growth factor agents, prolonging their…
View details →DOI: 10.1186/s12886-026-04925-3 Negative / Null Result Report
Ahiati JM · 2026 · Preprint
This research study examined the level of stress and depression associated with students and how social support influences the stress and depression levels of students. There are several interactions between stress, depression, and social…
View details →DOI: 10.31234/osf.io/jhxp8_v1 Negative / Null Result ReportOpen accessMedicine
Imai K, Abe J, Chikazawa K et al. · 2026 · Journal of clinical medicine
Background/Objectives : Vaginal natural orifice transluminal endoscopic surgery (vNOTES) is increasingly being used to avoid abdominal incisions; however, its mid-term oncological safety in endometrial cancer remains unclear. Methods :…
View details →DOI: 10.3390/jcm15093350 Negative / Null Result ReportMedicine
Sharma K, Israilevich RN, Ross E et al. · 2026 · Retina (Philadelphia, Pa.)
Purpose The study compares refractive outcomes of secondary intraocular lens (SIOL) surgery performed by vitreoretinal, anterior segment, and both surgeons. Methods Eyes included in this study underwent SIOLfrom 2012-2024and had a final…
View details →DOI: 10.1097/iae.0000000000004879 Negative / Null Result Report
ALqaraghuli MiA, Sheadeed Nm, karim AK et al. · 2026 · Preprint
Abstract Background: As multiple sclerosis (MS) is a long-lasting and highly variable disease, treatment aims to focus on reducing relapses and preventing the buildup of disability over time. Choosing an effective first disease-modifying…
View details →DOI: 10.21203/rs.3.rs-9626999/v1 Negative / Null Result ReportOpen accessMedicine
Laughlin M, Jack JT, Stephens SE et al. · 2026 · PloS one
Intracardiac flow analysis aims to evaluate blood flow patterns and associated parameters for the assessment of cardiac function. However, there is limited understanding as to how flow parameters are influenced by various sources, such as…
View details →DOI: 10.1371/journal.pone.0349435 Negative / Null Result ReportOpen accessMedicine
Qin D, Nan Y, Zhu H et al. · 2026 · Frontiers in medicine
Aim To develop a reusable prototype electric silicone oil injector and aspirator and to compare its performance with that of a vitrectomy machine-based system and a manual syringe technique in an ex vivo porcine eye model. Methods The…
View details →DOI: 10.3389/fmed.2026.1855415 Negative / Null Result ReportOpen accessMedicine
Li H, Li T, Guo Y et al. · 2026 · Frontiers in medicine
Background To evaluate the clinical efficacy of ciprofol versus propofol combined with alfentanil for anesthesia in patients undergoing hysteroscopic transcervical resection of submucosal myomas. Methods A total of 208 patients scheduled…
View details →DOI: 10.3389/fmed.2026.1829147 Negative / Null Result ReportOpen accessMedicine
Thanawala S, Shah R, Alluri KV et al. · 2026 · Medicine
Background The adaptogenic effects of Ashwagandha root extract are evident. An earlier study showed the therapeutic effects of a once-daily sustained-release (SR) formulation (300 mg) of Ashwagandha root extract over an extended period.…
View details →DOI: 10.1097/md.0000000000047990 Negative / Null Result ReportOpen accessMedicine
Kafle A, Singh S, Singh M et al. · 2026 · Frontiers in plant science
Understanding crop root growth and distribution and soil water depletion under water deficit conditions is critical for developing sustainable production practices for cucumber ( Cucumis sativus L.) in semi-arid regions like West Texas.…
View details →DOI: 10.3389/fpls.2026.1796736 Negative / Null Result ReportMedicine
Tripathi R, Dahal S, Acharya N et al. · 2026 · Journal of Nepal Health Research Council
Background Postoperative pain is a most common symptom of endodontic patients after root canal treatments (RCTs). The aim of this study was to evaluate Postoperative pain during and after root canal treatment (RCT) among patients at a…
View details →DOI: 10.33314/jnhrc.v23i04.4626 Negative / Null Result ReportMedicine
Sarkis H, Kerhani AA, Hedderich DM et al. · 2026 · World neurosurgery
Background/objective Shunt-dependent hydrocephalus represents a major complication of aneurysmal subarachnoid hemorrhage (aSAH), yet no universally adopted CT-based prediction tool exists. Fisher-based scales suffer from a ceiling effect…
View details →DOI: 10.1016/j.wneu.2026.125088 Negative / Null Result ReportMedicine
Devletli Ozygit L, Eyuboglu GB · 2026 · American journal of dentistry
Purpose To investigate comparatively the changes in surface roughness and surface microhardness of resin composites applied with traditional incremental layering technique and bulk-fill resin composites after erosive/abrasive applications.…
Negative / Null Result ReportOpen accessMedicine
Zhang X, Li Y, Fang Y et al. · 2026 · Frontiers in bioengineering and biotechnology
Objective Based on the existing research that predominantly focuses on loaded level walking or employs discrete-point methods to analyze stair negotiation, this study utilizes functional data analysis to systematically investigate the…
View details →DOI: 10.3389/fbioe.2026.1740819 Negative / Null Result ReportOpen accessMedicine
Bayrakçi O · 2026 · Medicine
Surgical treatments of the thorax are one of the most painful surgeries known. Postoperative pain is an important factor affecting treatment success, hospital stay, complications, duration of chest tube placement, and respiratory dynamics.…
View details →DOI: 10.1097/md.0000000000048555 Negative / Null Result ReportMedicine
Zeilinger J, Regitnig P, Kronschläger M et al. · 2026 · Journal of cataract and refractive surgery
Purpose To compare decentration, tilt, and dynamic stability ("wobble") between retropupillary fixated iris claw intraocular lenses (IOL) and double needle flanged scleral fixated technique. Setting Vienna Institute for Research in Ocular…
View details →DOI: 10.1097/j.jcrs.0000000000001975 Negative / Null Result Report
Ding X, Yan L, Yang Q et al. · 2026 · Preprint
Abstract BACKGROUND Septic shock, prevalent in critical care medicine, poses significant treatment challenges and high mortality rates. Its pathogenesis involves an inflammatory cytokine storm and microcirculatory dysfunction, potentially…
View details →DOI: 10.21203/rs.3.rs-8704388/v1 Negative / Null Result ReportOpen accessMedicine
Gund MP, Naim J, Wittig J et al. · 2026 · BMC oral health
Background Chlorhexidine (CHX) can lower the bacterial contamination on masks. This study explores how effectively CHX reduces the bacterial spectrum in the patient's oral cavity and subsequently how this influences the contamination of…
View details →DOI: 10.1186/s12903-026-08628-5 Negative / Null Result ReportMedicine
Liu W, Gan Y, Gu Q et al. · 2026 · BMC medical education
Objective To evaluate the effectiveness of digital pathology technology in the standardized residency training (SRT) in clinical pathology, compare the performance differences between digital slide-based and traditional microscope-based…
View details →DOI: 10.1186/s12909-026-09666-x Negative / Null Result ReportOpen accessMedicine
Gu XY, Cao JF, Zhang XY et al. · 2026 · Drug design, development and therapy
Objective This trial aimed to compare the effects of alfentanil and sufentanil on postoperative nausea and vomiting (PONV) in patients at moderate-to-high risk undergoing sedated gastrointestinal endoscopy. Methods Two hundred and eighteen…
View details →DOI: 10.2147/dddt.s598415 Negative / Null Result ReportMedicine
Soleimani S, Pirhadi S, Jadidi K et al. · 2026 · International ophthalmology
Purpose To compare the visual, refractive, corneal curvature, and aberrometry outcomes one year following implantation of two intra-stromal corneal rings (ICRS) with different cross-sectional designs. Methods This retrospective…
View details →DOI: 10.1007/s10792-026-04038-2 Negative / Null Result ReportOpen accessMedicine
Kurt Akgül Ş, Boylu ÖF · 2026 · Surgical and radiologic anatomy : SRA
PURPOSE: Mandibular hypomobility is a condition in which the jaw joint is restricted due to various causes, including temporomandibular joint disorders (TMD), ankylosis, head and neck infections and tumors, coronoid processes hyperplasia…
View details →DOI: 10.1007/s00276-026-03830-0 Negative / Null Result ReportOpen accessMedicine
Sumner SM, Naskou MC · 2026 · Frontiers in veterinary science
Introduction Platelet-rich plasma (PRP) and platelet lysate (PL) are biologically active products used in regenerative medicine because of their high concentrations of growth factors, cytokines, and other bioactive molecules that promote…
View details →DOI: 10.3389/fvets.2026.1817599 Negative / Null Result ReportMedicine
Wang K, Chen Y, Fu H et al. · 2026 · American journal of translational research
Objective To compare the clinical efficacy of four root canal filling materials for the treatment of chronic periapical periodontitis. Methods The clinical data of 200 patients with chronic periapical periodontitis from January 2023 to…
View details →DOI: 10.62347/lpao8126 Negative / Null Result ReportMedicine
Boudreau C, Couture M, Rousseau-Saine N et al. · 2026 · BMC anesthesiology
Introduction Glucagon-like peptide-1 receptor agonists (GLP-1 RA) are now increasingly used for glycemic control in type 2 diabetes mellitus as well as for weight loss. Their effect on gastric emptying may increase the risk of aspiration…
View details →DOI: 10.1186/s12871-026-03999-2 Negative / Null Result ReportMedicine
Adamowitsch N, Reiterer C, Fleischmann E et al. · 2026 · Scientific reports
Volatile anesthetics modulate inflammatory responses, but it remains unclear whether desflurane and sevoflurane differ in their effects on postoperative inflammation. We evaluated in this secondary analysis of a prospective randomized…
View details →DOI: 10.1038/s41598-026-55579-6 Negative / Null Result ReportOpen accessMedicine
Gianaris A, Ramalho MO, de Oliveira AA et al. · 2026 · Neotropical entomology
Historically, studies have sought to identify host-specific factors in host-microbe interactions as a means of understanding evolutionary success. The genus Atta, comprising leaf-cutter ants, is native to the southern Neotropics and…
View details →DOI: 10.1007/s13744-026-01386-7 