Negative / Null Result ReportMedicine
Jeremy B, Rozenberg P · 2026 · American journal of obstetrics & gynecology MFM
Background Women with a previous cesarean delivery have a higher risk of postpartum hemorrhage, including after successful vaginal birth after cesarean. Mechanisms underlying this excess risk remain unclear and may involve impaired…
View details →DOI: 10.1016/j.ajogmf.2026.101973 Negative / Null Result ReportMedicine
Nunes de Souza MV, Caetano AMM, Duarte NMC et al. · 2026 · Brazilian journal of anesthesiology (Elsevier)
Background Shoulder rotation and table tilt have been reported to increase the acoustic window for spinal ultrasonography. However, evidence in older adults remains scarce. This study evaluated their anatomical effects on lumbar (L3-L4)…
View details →DOI: 10.1016/j.bjane.2026.844769 Negative / Null Result ReportMedicine
Sribhashyam S, Talaski GM, Yazdanpanah S et al. · 2026 · Journal of ISAKOS : joint disorders & orthopaedic sports medicine
Introduction Medial ulnar collateral ligament (UCL) injuries substantially impair athletic performance due to pain, instability, and diminished throwing capabilities. While UCL reconstruction is the primary surgical treatment due to its…
View details →DOI: 10.1016/j.jisako.2026.101153 Negative / Null Result ReportMedicine
Germano-Morrel CS, Tomishige KS, Macchione RM et al. · 2026 · Journal of health psychology
The aim of this cross-sectional study was to compare the cognitive and emotional representations of illness in patients with primary open angle glaucoma (POAG) and age-related macular degeneration (AMD) living in a developing country. All…
View details →DOI: 10.1177/13591053261430435 Negative / Null Result ReportMedicine
Alvarez-Tueros EX, Alcántara-Obando MO, Caycho-Rodríguez T et al. · 2026 · The International journal of social psychiatry
The aim of this study was to analyze whether exposure to esthetic content aligned with beauty standards on social media mediates the relationship between a history of childhood/adolescent sexual abuse and bulimic symptomatology in…
View details →DOI: 10.1177/00207640261438840 Negative / Null Result ReportMedicine
Zhang J, Zhu Y, Yin Y et al. · 2026 · Neuromodulation : journal of the International Neuromodulation Society
Objectives Postoperative delirium (POD) is a common complication after cardiac surgery in older patients, associated with higher mortality and prolonged stays. Continuous theta-burst stimulation (cTBS), a noninvasive neuromodulation…
View details →DOI: 10.1016/j.neurom.2026.03.003 Negative / Null Result ReportMedicine
Lovern A, Watson M, Hollis A et al. · 2026 · AANA journal
Resident registered nurse anesthetists (RRNAs) face high levels of depression, anxiety, and stress (DAS) due to the academic, clinical, and financial demands of graduate anesthesia education. Nature-based mindfulness, which integrates…
View details →DOI: 10.70278/aanaj/.0000001058 Negative / Null Result ReportMedicine
Gándara-Mireles JA, Reyes Espinoza EA, Loera-Castañeda V et al. · 2026 · Current issues in molecular biology
Doxorubicin (Dox) is a cornerstone in the treatment of pediatric acute lymphoblastic leukemia (ALL), but its use is limited by dose-dependent cardiotoxicity. Oxidative stress, arising from mitochondrial dysfunction, enzymatic generation of…
View details →DOI: 10.3390/cimb48060577 Negative / Null Result ReportOpen accessMedicine
Szczupak M, Kobak J, Krupa-Nurcek S · 2026 · Frontiers in public health
Introduction Shift work is a recognized occupational risk factor for sleep disturbances, particularly among healthcare professionals. Nurses are especially vulnerable due to irregular work schedules, night duties, and the high physical and…
View details →DOI: 10.3389/fpubh.2026.1848179 Negative / Null Result ReportMedicine
Zhang Q, Yang T, Li L et al. · 2026 · Neurosurgical review
Chronic internal carotid artery occlusion (CICAO) is a significant cause of ischemic cerebrovascular events, with an annual stroke risk of up to 20%. Although the long-term efficacy of hybrid surgical revascularization (HSR) versus…
View details →DOI: 10.1007/s10143-026-04337-3 Negative / Null Result ReportMedicine
Aslan T, AlShamrani M, Buck B et al. · 2026 · Stroke and vascular neurology
Background Stroke rates rise steeply with age but data on tenecteplase in patients ≥80 years remain limited. This post-hoc analysis of the AcT trial compared tenecteplase with alteplase in this population. Methods The analysis included all…
View details →DOI: 10.1136/svn-2025-005030 Negative / Null Result Report
Peng M, Yuan Z, Lu Y et al. · 2026 · Preprint
Abstract Objective This study aims to investigate the effects of sleep disorders and cardiovascular disease comorbidity on the decade-long trajectory of memory function in middle-aged and elderly populations, thereby offering a scientific…
View details →DOI: 10.21203/rs.3.rs-9623506/v1 Negative / Null Result ReportMedicine
Khan RB, Hanzlik E, Deokumar S et al. · 2026 · Pediatric blood & cancer
Background Hodgkin lymphoma is the most common cancer in adolescence and is treated with chemotherapy and/or radiation therapy. Little is known about neurologic symptoms, signs, and morbidity in long-term survivors of childhood Hodgkin…
View details →DOI: 10.1002/1545-5017.70398 Negative / Null Result ReportMedicine
Qureshi S, Qureshi MA, Zehra SM et al. · 2026 · BMC cancer
Background Progastricsin/Pepsinogen C (PGC) is an aspartyl endoprotease predominantly expressed by gastric fundic and chief cells, with additional expression reported in select extragastric tissues. While increased PGC expression has been…
View details →DOI: 10.1186/s12885-026-16133-9 Negative / Null Result ReportMedicine
Wang S, Miao J, Tang F et al. · 2026 · BMC cardiovascular disorders
Background The recurrence rate after ablation for atrial fibrillation (AF) remains high, and the predictive performance of existing predictors is limited. Left atrial dysfunction plays a key role in the occurrence and progression of AF.…
View details →DOI: 10.1186/s12872-026-06131-x Negative / Null Result ReportMedicine
Banerjee R, Kuruvilla C, Vega GL et al. · 2026 · The American journal of cardiology
While triglyceride-rich lipoproteins and small dense low-density lipoprotein (sdLDL) are associated with accelerated coronary atherosclerosis, their relationship with peripheral artery disease (PAD) is less clear. Fifty-five male subjects…
View details →DOI: 10.1016/j.amjcard.2026.04.040 Negative / Null Result ReportMedicine
Pyne AL, Uchida AM, Carlson M et al. · 2026 · Esophagus : official journal of the Japan Esophageal Society
Background Eosinophilic esophagitis (EoE) shares several risk factors with other autoimmune diseases, but population-based studies in this field are limited. Methods Using the Swedish nationwide histopathology cohort Epidemiology…
View details →DOI: 10.1007/s10388-026-01212-4 Negative / Null Result ReportMedicine
Ding X, Wang Y, Choi M et al. · 2026 · Clinical oral implants research
Objective The objective of this study is to evaluate the clinical efficacy of angulated single-implant crowns using the hybrid retention versus pure screw-retained restorations in the aesthetic area. Materials and methods A retrospective…
View details →DOI: 10.1111/clr.70128 Negative / Null Result ReportMedicine
Yang H, Gao J, Mo S et al. · 2026 · European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology
Objective and background The optimal surgical strategy for patients with hepatocellular carcinoma (HCC) and liver fibrosis/cirrhosis presenting with a future liver remnant to standard liver volume (FLR/SLV) ratio of 30%-40% remains a…
View details →DOI: 10.1016/j.ejso.2026.111946 Negative / Null Result ReportOpen accessMedicine
Süleyman S, Emin P, Hüseyin A et al. · 2026 · Journal of clinical medicine
Background/Objectives: Acute severe ulcerative colitis (ASUC) is a high-risk condition associated with intense inflammation and a substantial risk of early colectomy. Intravenous steroids (IVS) remain the first-line therapy; however,…
View details →DOI: 10.3390/jcm15072730 Negative / Null Result ReportMedicine
Leizaola-Cardesa IO, Gómez-Moreno G, Hernando J et al. · 2026 · Journal of stomatology, oral and maxillofacial surgery
Background To determine serum parathyroid hormone (PTH), vitamin D, and calcium levels in patients with medication related osteonecrosis of the jaw (MRONJ), compared with patients receiving similar medication but without MRONJ; also, to…
View details →DOI: 10.1016/j.jormas.2026.102806 Negative / Null Result ReportMedicine
Darroudi S, Ghazaee H, Babaei N et al. · 2026 · Scientific reports
Empagliflozin, a sodium-glucose cotransporter-2 (SGLT2) inhibitor, has demonstrated cardioprotective effects beyond glycemic control. Empagliflozin has anti-inflammatory and antioxidant effects in long-term administration; however, current…
View details →DOI: 10.1038/s41598-026-44492-7 Negative / Null Result ReportMedicine
Eslami M, Ermolaev N, Kronberger C et al. · 2026 · Scientific reports
Fibroblast growth factor 23 (FGF23), a bone-derived hormone, is emerging as a potential biomarker in cardiovascular disease. However, its role in transthyretin amyloid cardiomyopathy (ATTR-CM), a progressive infiltrative cardiomyopathy,…
View details →DOI: 10.1038/s41598-026-51879-z Negative / Null Result ReportOpen accessMedicine
Marković F, Bojić Z, Stjepanović M et al. · 2026 · Cancers
Background: Immune checkpoint inhibitor monotherapy targeting the PD-1/PD-L1 axis is a standard first-line treatment option for patients with metastatic non-small cell lung cancer (NSCLC) and high PD-L1 expression. However, comparative…
View details →DOI: 10.3390/cancers18071153 Negative / Null Result ReportMedicine
Chow SCW, Wang Y, Leung OLK et al. · 2026 · Journal of autism and developmental disorders
Purpose This study investigated the risk of ASD and ADHD in children who have survived hypoxic-ischemic encephalopathy (HIE), one of the common conditions during birth resulting in neonatal brain injury. Methods A population-based cohort…
View details →DOI: 10.1007/s10803-026-07347-8 Negative / Null Result ReportMedicine
Çakır B, Polat F, Karataş MB et al. · 2026 · Acta diabetologica
Background Diabetic cardiomyopathy (DCM) frequently begins with diastolic dysfunction (DD), which leads to increased left ventricular filling pressures and subsequent left atrial enlargement, quantified by the left atrial volume index…
View details →DOI: 10.1007/s00592-026-02707-3 Negative / Null Result ReportMedicine
García-Sáenz MR, Castro-Murillo JI, Mercado M et al. · 2026 · Archives of medical research
Introduction Predicting resistance to cabergoline in prolactinomas remains a challenge. While prolactin (PRL)-based ratios help differentiate prolactinomas from non-functioning pituitary adenomas (NFPAs), their role in forecasting…
View details →DOI: 10.1016/j.arcmed.2026.103427 Negative / Null Result ReportMedicine
Aydın Güçlü Ö, Demirdöğen E, Hunutlu FÇ et al. · 2026 · BMC infectious diseases
Background Cytomegalovirus (CMV) infection is an important cause of morbidity and mortality among immunocompromised patients, particularly those with hematologic malignancies. The present study aims to evaluate the clinical features,…
View details →DOI: 10.1186/s12879-026-13708-6 Negative / Null Result ReportMedicine
Lee A, Higgins S, O'Driscoll D et al. · 2026 · Journal of autism and developmental disorders
OBJECTIVE: To examine the association between neonatal jaundice requiring hospital treatment and autism spectrum disorder (ASD) and attention-deficit/hyperactivity disorder (ADHD) in offspring by age 14 years. METHODS: We used data from…
View details →DOI: 10.1007/s10803-026-07317-0 Negative / Null Result ReportMedicine
Lan H, Ding Y, Liu M · 2026 · American journal of cancer research
Background Patients with high-risk diffuse large B-cell lymphoma (DLBCL) have poor prognoses, and the comparative efficacy between R-CHOP and R-DA-EPOCH regimens remains controversial. Objective To compare the efficacy and safety of R-CHOP…
View details →DOI: 10.62347/rivm5316 