Negative / Null Result Report
Barakat KI, Zaki MH, Elnour MM · 2026 · Preprint
Introduction: Reconstruction of maxillary defects remains challenging because of the complex functional and aesthetic roles of the midface. Although both prosthetic obturation and microvascular reconstruction are established options,…
View details →DOI: 10.20944/preprints202606.0388.v1 Negative / Null Result ReportMedicine
Snyder EM, Son YJ, Li L et al. · 2026 · Physiology international
Workplace stress is one of the main sources of stress for adults, although physiological and cognitive factors may impact each person's stress response. Numerous studies have shown heart rate, heart rate variability, neural activity, and…
View details →DOI: 10.1556/2060.2026.00801 Negative / Null Result ReportMedicine
Bouchard M, Galán-Olleros M, Ng K et al. · 2026 · European journal of pediatrics
To evaluate whether implementation of a multidisciplinary care pathway was associated with changes in unplanned emergency department (ED) visits in children with musculoskeletal infections, and to assess its impact on readmissions,…
View details →DOI: 10.1007/s00431-026-06828-3 Negative / Null Result ReportMedicine
Hismiogullari A, Sancakli O, Ocak M et al. · 2026 · Allergy and asthma proceedings
Background: Sesame allergy (SA) is diagnostically challenging in childhood, and data on its natural course and clinical nonreactivity development are limited. Although oral food challenge (OFC) remains the diagnostic criterion standard,…
View details →DOI: 10.2500/aap.2026.47.260041 Negative / Null Result ReportMedicine
Domka W, Misiołek M, Kubrak T et al. · 2026 · Journal of clinical medicine
Background/Objectives: Tumors of the salivary glands represent a rare and heterogeneous group of tumors, the diagnosis and treatment of which present significant clinical challenges. One of the key processes affecting the progression of…
View details →DOI: 10.3390/jcm15124557 Negative / Null Result ReportMedicine
Karaarslan M, Beyazal OF, Temizturk Z et al. · 2026 · Journal of clinical medicine
Background : The inflammatory prognostic index (IPI) is a novel hematological parameter that reflects both inflammatory burden and immune status. Despite several studies on this new index, the prognostic value of IPI in CABG remains…
View details →DOI: 10.3390/jcm15124547 Negative / Null Result Report
Gökce İK, Turgut H, Kaya H et al. · 2026 · Preprint
Abstract Background Evidence suggests that increased intravascular and interstitial fluid load in neonates with transient tachypnea of the newborn (TTN) may delay the clearance of fetal alveolar fluid (FAF). Restricted fluid (RF) therapy…
View details →DOI: 10.21203/rs.3.rs-9509116/v1 Negative / Null Result ReportMedicine
Nishida K, Hirata Y, Murano M et al. · 2026 · Digestion
Background/Aims Evidence-based pharmacological options for irritable bowel syndrome with diarrhea (IBS-D) remain limited, and complementary approaches are of interest. We evaluated the real-world effectiveness of hangeshashinto (TJ-14),…
View details →DOI: 10.1159/000552817 Negative / Null Result ReportMedicine
Tian L, Hu B, Song M et al. · 2026 · Frontiers in oncology
Background Drug-eluting bead (DEB) transarterial chemoembolization (TACE) possesses several advantages over conventional TACE (cTACE) such as higher intratumor drug concentration and lower systemic toxicity, which has been widely applied…
View details →DOI: 10.3389/fonc.2026.1785622 Negative / Null Result Report
liu s, jia g, guo c et al. · 2026 · Preprint
Abstract Objective This study aimed to investigate gender differences in the protective effect of education against depressive symptoms among older adults, while examining potential urban-rural disparities in this gender-moderated…
View details →DOI: 10.21203/rs.3.rs-9405307/v1 Negative / Null Result ReportMedicine
Das A, Ghosh A, Pal S et al. · 2026 · Scientific reports
The Growth arrest-specific protein 8 (GAS8) domain-containing gene family (Orthogroup 6127at5690) is a highly conserved, single-copy orthologous group in the Trypanosoma taxa retained for codon-based evolutionary analysis (10 validated…
View details →DOI: 10.1038/s41598-026-56233-x Negative / Null Result ReportOpen accessMedicine
Alshareef T, Alenazi A, Qayyum B et al. · 2026 · Cureus
Background Gastrostomy tube (G-tube) insertion is a common procedure in pediatric patients requiring long-term enteral nutrition. While both surgical and endoscopic methods are widely used, comparative data on outcomes remain limited.…
View details →DOI: 10.7759/cureus.108783 Negative / Null Result Report
Samuel AS, Qiao A, Merrill CD et al. · 2026 · Preprint
Abstract Purpose: LR-M nodules > 1cm, are probably or definitely malignant, but not specific for hepatocellular carcinoma (HCC). HCC is found within LR-M category in 44%. We identify CEUS imaging features within the LR-M category…
View details →DOI: 10.21203/rs.3.rs-9596403/v1 Negative / Null Result ReportOpen accessMedicine
Sharma P, Samaria A, Tak H et al. · 2026 · Cureus
Background Chronic kidney disease (CKD) represents a major and growing health concern in both global and Indian populations. In addition to progressive renal dysfunction, CKD is frequently accompanied by metabolic and endocrine…
View details →DOI: 10.7759/cureus.104974 Negative / Null Result ReportMedicine
F G, J H, L SJ et al. · 2026 · Cancer treatment and research communications
Background Obesity is increasingly recognized as a risk factor for several malignancies, including cervical cancer. Women with obesity participate less frequently in screening and may have higher rates of unsatisfactory cytology,…
View details →DOI: 10.1016/j.ctarc.2026.101279 Negative / Null Result ReportMedicine
Koçak N, Özdemir A, Esenkaya M et al. · 2026 · Retina (Philadelphia, Pa.)
Purpose To evaluate plasma and aqueous humor angiotensin-converting enzyme (ACE) and transforming growth factor-β1 (TGFβ1) levels in patients with proliferative vitreoretinopathy (PVR) secondary to rhegmatogenous retinal detachment (RRD).…
View details →DOI: 10.1097/iae.0000000000004885 Negative / Null Result ReportMedicine
Vella C, Romano V, Ricchetti G et al. · 2026 · The Canadian journal of cardiology
Mitral paravalvular leaks (PVLs) are a recognized complication of prosthetic valve implantation and may cause heart failure or hemolysis, often requiring percutaneous closure in patients at high surgical risk. Although transesophageal…
View details →DOI: 10.1016/j.cjca.2026.06.021 Negative / Null Result ReportMedicine
Zhang H, Hu X, Zhao J et al. · 2026 · Precision radiation oncology
Objective This study aimed to investigate whether baseline skeletal muscle status and malnutrition in patients with locally advanced head and neck cancer (HNC) are associated with short-term treatment outcomes and acute radiation oral…
View details →DOI: 10.1002/pro6.70072 Negative / Null Result Report
KALENDER E, YILDIRIM EE, YERDEŞ E et al. · 2026 · Preprint
Abstract Purpose This study aimed to compare lesion detection and uptake characteristics of 68 Ga-FAPI PET/CT and 18 F-FDG PET/CT in patients undergoing imaging for gastric cancer (GC) staging. Methods A total of 24 patients with…
View details →DOI: 10.21203/rs.3.rs-9357738/v1 Negative / Null Result ReportMedicine
Yamauchi S, Kondo H, Mitarai K et al. · 2026 · Heart and vessels
Background The clinical course of patients with transthyretin amyloid cardiomyopathy (ATTR-CM) undergoing cardiac resynchronization therapy (CRT) remains insufficiently characterized, particularly in the era of disease-modifying therapy…
View details →DOI: 10.1007/s00380-026-02710-2 Negative / Null Result ReportOpen accessMedicine
Cho ST, Cho JH, Lee DH et al. · 2026 · Global spine journal
Study DesignRetrospective cohort study.ObjectiveTo compare the association of vertebroplasty and hook fixation at the uppermost instrumented vertebra (UIV) with proximal junctional failure (PJF) after long-segment fusion for degenerative…
View details →DOI: 10.1177/21925682261449174 Negative / Null Result ReportMedicine
Yılmaz Nakir İ, Özçelik MN, Karaduman RG et al. · 2026 · Journal of clinical medicine
Background/Objectives : Despite widespread antiretroviral therapy (ART) use, whether the expected transition from AIDS-defining to non-AIDS-defining cancers has occurred in settings with persistent late HIV presentation remains unclear. We…
View details →DOI: 10.3390/jcm15124818 Negative / Null Result ReportMedicine
Ozcakar TG, Kender Erturk N, Onguncan O et al. · 2026 · European journal of obstetrics, gynecology, and reproductive biology
Aim This study aimed to investigate whether boric acid (BA) exerts potential protective effects against cyclophosphamide (CYC)-induced premature ovarian insufficiency (POI) in rats through modulation of oxidative stress and preservation of…
View details →DOI: 10.1016/j.ejogrb.2026.115268 Negative / Null Result ReportMedicine
Seo MW · 2026 · BMC psychology
Purpose This study aimed to examine the associations between health literacy and depressive and anxiety symptoms among Korean adults using data from the 2024 Korea National Health and Nutrition Examination Survey (KNHANES). Methods This…
View details →DOI: 10.1186/s40359-026-04765-2 Negative / Null Result Report
Kaydu A, Andan İ, Kozan G et al. · 2026 · Preprint
Background: and Objectives: Myocardial injury after noncardiac surgery (MINS) is a major determinant of perioperative morbidity and mortality. Its largely silent clinical course often makes early diagnosis difficult and challenging.…
View details →DOI: 10.20944/preprints202605.0764.v1 Negative / Null Result ReportMedicine
Luo X, Zhang H · 2026 · Frontiers in medicine
Objective To assess the impacts of goal-directed sedation nursing intervention on comfort and compliance in children undergoing bronchoalveolar lavage (BAL) under topical anesthesia with procedural sedation. Methods A total of 168 children…
View details →DOI: 10.3389/fmed.2026.1852309 Negative / Null Result ReportMedicine
Liu W, Liu J, Su Y et al. · 2026 · BMC women's health
Purpose Fear of cancer recurrence (FCR) is a prevalent psychological concern among breast cancer survivors, and identifying influencing factors is crucial for designing effective interventions. We aimed to investigate the relationship of…
View details →DOI: 10.1186/s12905-026-04614-9 Negative / Null Result ReportMedicine
Yoon Y, Yoon JS, Ko J · 2026 · Korean journal of ophthalmology : KJO
Purpose To compare the surgical outcomes of dacryoendoscopy-aided silicone tube intubation (STI) and endoscopic dacryocystorhinostomy (endo-DCR) for complete nasolacrimal duct obstruction (NLDO), and to identify factors associated with…
View details →DOI: 10.3341/kjo.2026.0020 Negative / Null Result ReportMedicine
Lin Y, Wei X, Su H et al. · 2026 · BMC ophthalmology
Purpose Small-incision lenticule extraction (SMILE) is a widely used procedure for correcting myopia and myopic astigmatism. However, variability in refractive outcomes, particularly astigmatic correction, remains a concern. This study…
View details →DOI: 10.1186/s12886-026-04945-z Negative / Null Result ReportOpen accessMedicine
Zhang L, Sheng Z · 2026 · Cancer informatics
Objectives To investigate the prognostic value of ferroptosis-related and immune-related transcriptional features in bladder urothelial carcinoma (BUC) and to evaluate whether their integration provides incremental prognostic information…
View details →DOI: 10.1177/11769351261453955 