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3432 citation(s) found for "Ou, George".

Prevalence, Predictors, and Clinical Outcomes of Cervical Arterial Dissection in Patients with Spontaneous Coronary Artery Dissection: A Multicenter Retrospective Cohort Study
Bcharah, Hend , Dreher, Luke , Bcharah, George , Mand, Katie, Serra, Vinicius De Sousa Barzon , Baudhuin, Linnea M. , Osundiji, Mayowa A., Shamoun, Fadi E., Abdul Nabi, Hussein , Dreher, Luke Arnulfo , Bcharah, George , De Sousa Barzon Serra, Vinicius , Baudhuin, Linnea M , Bcharah, Hend , Nabi, Hussein Abdul , Wang, Yuxing , Shamoun, Fadi

Journal of Clinical Medicine | July 7, 2026 | Volume: 15 | Issue: 13 | Pages: 5302

10.3390/jcm15135302 | PMID 42452761 Get It

Background: Patients with spontaneous coronary artery dissection (SCAD) are at increased risk of cardiovascular events, including dissection in other arterial territories such as cervical arteries. Those with combined coronary and cervical arterial dissection (CACAD) may have more widespread arterial abnormalities and worse outcomes, underscoring the need for better risk stratification and personalized care. Objective: This study examined the prevalence of cervical artery dissection (CvAD) in patients diagnosed with SCAD, evaluated potential risk factors for developing CvAD, and assessed their impact on clinical outcomes, including all-cause mortality, SCAD recurrence, and stroke. The goal was to enhance risk stratification by identifying SCAD patients at increased risk for CvAD. Design: In this retrospective cohort study, patients diagnosed with SCAD between 2018 and 2024 across Mayo Clinic sites were identified using ICD-10 codes. Manual chart review confirmed CvAD diagnoses. Patients were stratified based on the presence or absence of CvAD. Chi-square and independent t-tests were used to compare risk factors and comorbidities. Univariate screening and multivariable logistic regression were used to identify predictors of CvAD. Results: Among 1380 patients with SCAD, 131 (9.5%) had CvAD. The median follow-up was 2.02 years (IQR: 1.1–5.2 years). All CvAD diagnoses were identified after the index SCAD event through systematic post-SCAD vascular imaging. The mean age was similar between groups (51.5 ± 11.3 years in CACAD vs. 50.9 ± 10.7 years in SCAD-only, p = 0.540), and the majority were female (93.9% vs. 91.9%, p = 0.529). Multivariable regression identified extremity arterial dissection (OR: 8.13, 95% CI: 3.41–19.36, p < 0.001), fibromuscular dysplasia (FMD) (OR: 7.52, 95% CI: 4.67–12.10, p < 0.001), connective tissue disorders (CTDs) (OR: 6.85, 95% CI: 2.35–19.98, p < 0.001), and anxiety (OR: 1.69, 95% CI: 1.01–2.81, p = 0.044) as significant predictors of CvAD. CvAD was a strong independent predictor of stroke (OR: 6.37, 95% CI: 2.93–13.87, p < 0.001). Mortality and SCAD recurrence did not differ significantly between groups. Conclusions: Patients with CACAD demonstrate a systemic vascular phenotype with significantly higher rates of FMD, connective tissue disease, extremity arterial dissection, and stroke. These findings highlight the importance of comprehensive vascular screening and individualized monitoring in at-risk SCAD patients.
Vaccines, Bias, and the Perils of Non-peer-reviewed Studies: Fueling Misinformation and Vaccine Hesitancy
Munblit, Daniel , Semple, Malcolm G. , Genuneit, Jon , Ashkenazi‐Hoffnung, Liat , Poland, Gregory A, Bush, Andrew, Boaventura, Viviane, Ulloa‐Gutiérrez, Rolando , Buonsenso, Danilo , Semple, Malcolm G , Genuneit, Jon , Ashkenazi-Hoffnung, Liat , Sultan, Faisal , Putri, Nina Dwi , Apfelbacher, C J , Ulloa-Gutierrez, Rolando , Watson, Hugh R , Oliveira, Carlos R , Reyes, Luis Felipe , Olliaro, Piero , Greenhawt, Matthew , Wilder‐Smith, Annelies , Warner, John O. , Chang, Aileen Y. , Poland, Gregory A. , Boaventura, Viviane Sampaio , Apfelbacher, Christian , Oliveira, Carlos R.

Clinical Infectious Diseases | July 3, 2026 | Volume: No volume available | Issue: No issue available | Pages: No page available

10.1093/cid/ciag403 | PMID 42554662 Get It

Abstract Unvetted scientific claims about vaccines can spread rapidly and undermine decades of progress in immunization and public trust. A recent non-peer-reviewed analysis, promoted at political hearings, in the documentary “An Inconvenient Study,” and on social media, has been used to suggest that vaccinated children experience higher rates of chronic illness than unvaccinated peers. Despite standard regression models, critical flaws - uncontrolled confounding, exposure misclassification, unequal follow-up, and outcome multiplicity, invalidate causal inference. An independent group of international experts critically appraises this analysis and contrast its claims with the consistent evidence confirming vaccine safety and effectiveness. We also show how poorly designed studies can distort public discourse, amplify misinformation, and fuel vaccine hesitancy. We outline actions to strengthen research integrity, such as transparent data sharing, labeling of non-peer-reviewed content, and evidence-based communication. Safeguarding public health demands that vaccine evidence be methodologically sound, reviewed, and interpreted by qualified experts.
MRI-based Prognostic Model in Early-Stage HR+/HER2- Breast Cancer
Howard, Frederick, Stringer‐Reasor, Erica, McMahon, Jennifer, Yao, K, Zhang, Yuhan, Weitz, Michelle, Kannan, Vignesh , Cole, John, Peterson, Joseph, Cook, Daniel, Feiger, Bradley, Boughey, Judy, Goetz, Matthew, Saha, Poornima , Stringer-Reasor, Erica , Abdou, Yara George , Yao, Katharine , Cole, John, Peterson, Joseph, Goetz, Matthew

No container title available | June 28, 2026 | Volume: No volume available | Issue: No issue available | Pages: No page available

10.21203/rs.3.rs-9772767/v1 Get It

Abstract Current genomic assays provide prognostic information and guide chemotherapy decisions in early-stage hormone receptor–positive/human epidermal growth factor receptor 2–negative (HR+/HER2−) breast cancer, but limited tissue sampling may incompletely capture tumor heterogeneity. We developed and validated an image-based artificial intelligence (AI) model integrating dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) and clinicopathologic features to predict recurrence risk in early-stage HR+/HER2 − breast cancer. In this retrospective multi-institutional study, the model was trained using pre-treatment imaging and clinicopathologic data from 522 patients and independently validated in 550 additional patients treated between 2010 and 2023. By analyzing spatial tumor characteristics, the model generated individualized recurrence risk scores that outperformed clinicopathologic features alone. In the validation cohort, median age was 53 years (range, 24–90), 15.6% of patients self-identified as African American, 89.7% had clinical T1–T2 disease, and 34.4% had 1–3 positive lymph nodes. Five-year recurrence-free survival was 93.8% (95% CI, 90.0–96.2%) among patients classified as low risk compared with 82.6% (95% CI, 74.8–88.1%) among those classified as high risk, corresponding to an adjusted hazard ratio of 2.28. Prognostic performance was maintained across clinically relevant subgroups, including age and nodal status. These findings support the potential of a noninvasive image-based AI approach for real-time prognostication and treatment personalization in early-stage HR+/HER2 − breast cancer.
Improved Outcomes with TKI Maintenance Following Brexucabtagene Autoleucel in Philadelphia-chromosome ALL
Othman, Tamer , Roloff, Gregory W. , Miller, Katharine, Zhang, Amy , Sutherland, Katherine C. , Faramand, Rawan , Hill, LaQuisa C. , Jeyakumar, Nikeshan , Ladha, Abdullah , Kopmar, Noam E., Tsai, Stephanie B., O'CONNOR, TIMOTHY E., Solh, Melhem , Guzowski, Caitlin, Tan, Virginia, Malik, Shahbaz A., Mathews, John, Shaughnessy, Paul , Mountjoy, Luke, Schwartz, Marc S., Connor, Matthew P. , Vasu, Sumithira, Kumaran, Muthu, Hoeg, Rasmus T., Tracy, Sean , Yaghmour, George , Pullarkat, Vinod , Muffly, Lori , Aldoss, Ibrahim, Jeyakumar, Nikeshan , Ladha, Abdullah , Sasine, Joshua , Lin, Chenyu , Hilal, Talal , Majhail, Navneet S , Dykes, Kaitlyn C , Logan, Aaron C , Connor, Matthew , Cassaday, Ryan D , Leonard, Jessica T , Shah, Bijal , Frey, Noelle V , Muffly, Lori , Hill, LaQuisa C , Faramand, Rawan , Sutherland, Katherine , Roloff, Gregory W , Othman, Tamer , Zhang, Amy , Muhsen, Ibrahim N. , Sasine, Joshua , Lin, Chenyu , Kopmar, Noam E. , Tsai, Stephanie, Hilal, Talal , Majhail, Navneet S. , Battiwalla, Minoo , Malik, Shahbaz A. , Mountjoy, Luke , Dykes, Kaitlyn C. , Wang, Jiasheng , Vasu, Sumithira , Hoeg, Rasmus T. , Yalniz, Fevzi , Cassaday, Ryan D. , Shah, Bijal , Frey, Noelle V. , Aldoss, Ibrahim

Blood Advances | June 25, 2026 | Volume: No volume available | Issue: No issue available | Pages: No page available

10.1182/bloodadvances.2026020707 | PMID 42349018 Get It

Brexucabtagene-autoleucel (brexu-cel) produces high rates of measurable residual disease-negative (MRD-) complete response (CR) in adults with Philadelphia-chromosome positive (Ph+) acute lymphoblastic leukemia (ALL); however, subsequent relapses remain frequent. It is unclear whether maintenance with tyrosine kinase inhibitors (TKIs) can enhance remission durability. We evaluated outcomes among adults with relapsed/refractory Ph+ ALL who received commercial brexu-cel and achieved MRD- CR across 19 U.S. institutions. Considering TKI maintenance as a time-varying covariate, we analyzed outcomes based on receipt of subsequent TKI maintenance versus no maintenance. Patients receiving consolidative transplantation or non-TKI maintenance were excluded. Fifty-one patients were included: 20 received TKI maintenance and 31 received no maintenance. The use of TKI maintenance was associated with a significantly lower 1-year cumulative incidence of relapse (HR 0.12; 95% CI, 0.02-0.88; p=0.037) which translated into improved progression-free survival (PFS, HR 0.19; 95% CI, 0.04-0.85; p=0.029) and a trend towards improved overall survival (OS, HR 0.34; 95% CI, 0.07-1.62; p=0.18). There was no difference in non-relapse mortality (NRM, HR 0.83; 95% CI, 0.12-5.87; p=0.85). This real-world analysis supports the administration of TKI maintenance in Ph+ ALL following achievement of MRD- CR with brexu-cel as a strategy to improve PFS following chimeric antigen receptor T cell therapy.
Rheumatoid factor and anticitrullinated protein antibody status jointly influence the association between disease activity and cardiovascular risk in rheumatoid arthritis
Karpouzas, George , González‐Gay, Miguel Á. , Pascual‐Ramos, Virginia , Misra, Durga Prasanna , Rantapää‐Dahlqvist, Solbritt , Sfikakis, Petros , Dessein, Patrick , Hitchon, Carol A, Galarza-Delgado, D. Á. , Riel, Piet Van, Hauge, Ellen M., Kitas, George D, Karpouzas, George Athanasios , Myasoedova, Elena , Rantapää-Dahlqvist, Solbritt , Dessein, Patrick , Galarza-Delgado, Dionicio Angel , Semb, Anne Grete , Gonzalez-Gay, Miguel A , Misra, Durga Prasanna , Myasoedova, Elena , Dessein, Patrick H , Hitchon, Carol , Semb, Anne Grete , Hauge, Ellen‐Margrethe , Ormseth, Sarah R.

RMD Open | June 24, 2026 | Volume: 12 | Issue: 2 | Pages: e006929

10.1136/rmdopen-2026-006929 | PMID 42342284 Get It

Objectives Rheumatoid factor (RF) and anticitrullinated protein antibodies (ACPA) are linked to disease activity, severity and cardiovascular risk in rheumatoid arthritis (RA). Since RA-related inflammation associates with cardiovascular disease, we investigated whether RF and ACPA status influence the relationship between RA activity and event risk. Methods We assessed 3952 cardiovascular disease-free patients with prevalent RA registered in an international observational consortium between 1985 and 2012. Main outcome was a first major adverse cardiovascular event (MACE) including myocardial infarction, stroke and cardiovascular death. Follow-up accrued from enrolment until first MACE or censoring. Multivariable Cox models stratified by centre risk evaluated disease activity, RF, ACPA and their interactions. Results We recorded 184 first MACE events over 22 981 patient-years. Disease activity associated with MACE (HR 1.18 (95% CI 1.03 to 1.35)), whereas RF (HR 1.26 (0.82 to 1.94)) and ACPA (HR 1.25 (0.85 to 1.83)) did not reach statistical significance, though CIs were wide and a clinically meaningful association cannot be excluded. A three-way interaction between disease activity, RF and ACPA on MACE (p for interaction=0.044) was observed. RA activity associated with MACE in seronegative and double seropositive (p≤0.047), but not single RF-positive or ACPA-positive patients. Among RF-negative participants, RA activity was linked to MACE in ACPA-negative but not positive ones (p for interaction=0.003). Among ACPA-positive patients, disease activity was linked to MACE in RF-positive but not RF-negative ones (p for interaction=0.040). Conclusions Disease activity may better discriminate inflammation-driven cardiovascular risk in seronegative and double seropositive than single RF-positive or ACPA-positive patients. Risk protection through lowering disease activity may be serostatus dependent.
No Association of Prior Administration of Selected Vaccines with Lymphoma Prognosis
Cholack, George , Hinder, Verena , Mwangi, Raphael , Habermann, Thomas M. , Robinson, Dennis P. , Larson, Melissa C. , Feldman, Andrew L. , Witzig, Thomas E. , Ansell, Stephen M. , Thompson, Carrie A. , Novak, Anne J. , Witzig, T.E. , Cholack, George A , Mou, Eric , Wang, Yucai , Thompson, Carrie A , Maurer, Matthew , Novak, Anne J , Slager, Susan L , Cerhan, James R , Feldman, Andrew L , Habermann, Thomas , Larson, Melissa C , Mou, Eric , Wang, Yucai , Maurer, Matthew J. , Slager, Susan L. , Cerhan, James R.

Cancer Epidemiology, Biomarkers & Prevention | June 24, 2026 | Volume: No volume available | Issue: No issue available | Pages: OF1-OF3

10.1158/1055-9965.epi-26-0427 | PMID 42340351 Get It

Abstract Background: Although some vaccines seem to be associated with a lower risk of lymphoma, their impact on outcomes is largely unknown. Methods: Data from a large prospective lymphoma cohort study were utilized to estimate associations of self-reported history of vaccination against hepatitis A, hepatitis B, influenza, and yellow fever with event-free survival (EFS) and overall survival (OS) using Cox proportional hazard models. Results: None of the vaccines were associated with EFS [hazard ratio (HR) 0.77–1] or OS (HRs 0.96–1.04). Similarly, there were no significant associations between the vaccines and outcomes for each lymphoma subtype. Conclusions: Prior vaccination against selected viruses was not associated with EFS or OS among patients with lymphoma. Impact: We did not find evidence for an impact of prior vaccination on lymphoma prognosis.
Menin regulates oncogenic cell identity transcriptional networks in multiple myeloma
Kumar, Subhasree , Franich, Rheana, Khong, Tiffany, Neville, Daniel, The, James, Rumler, Brandon, Alex, Shania, Dobbs, Grace, Lewis, Alexander C. , Hawkins, Edwin, Chesi, Marta, Spencer, Andrew, Gilan, Omer , Kats, Lev M. , Gruber, Emily , Franich, Rheana L. , Khong, Tiffany T. , Ang, Ching‐Seng , Rumler, Bradon, Howitt, George , Hawkins, Edwin, Bergsagel, P. Leif , Chesi, Marta , Spencer, Andrew

No container title available | June 19, 2026 | Volume: No volume available | Issue: No issue available | Pages: No page available

10.64898/2026.06.17.733047 Get It

Abstract Multiple myeloma (MM) is a heterogenous cancer that remains mostly incurable. A unifying feature of MM cells is a highly interconnected network of transcription factors and co-factors that coordinate the activity of super-enhancers to enforce myeloma cell identity. Targeting this network offers a promising avenue for therapeutic intervention across genetically diverse myeloma sub-types. Using integrated molecular and functional genomic approaches we identified Menin as a key driver of oncogenic gene expression in MM cells. Menin and its co-factor KMT2A bind at super-enhancers and maintain expression of essential myeloma genes, including IRF4. We demonstrate that Menin inhibitors, which have recently been approved for treatment of acute myeloid leukaemia, are highly active in myeloma cell lines and in vivo models. Combining Menin inhibitors with other super-enhancer targeting therapies such EP300/CREBBP inhibitors or immunomodulatory drugs (IMiDs) overcomes epigenetic plasticity in cells resistant to single agent treatment.
Correlation of Serotonin Release Assay Positivity With  ELISA OD Value and Impact on the Management of Patients Suspected With HIT
Ianosi‐Irimie, Monica, Aljuboori, Omar , Edmonston, Tina Bocker, Worfolk, Laura A., Bi, Caixia , Tong, Carmen , Noh, Lina J., Espinoza, Andrew, Sahud, Mervyn A. , Dlott, Jeffrey S., Racke, Frederick K., Wong, Edward C.C. , Ianosi-Irimie, Monica, Edmonston, Tina Bocker , Racke, Frederick Karl

International Journal of Laboratory Hematology | June 19, 2026 | Volume: No volume available | Issue: No issue available | Pages: No page available

10.1111/ijlh.70176 | PMID 42316906 Get It

Variation in Chronic Automated Red Cell Exchange Practices for Sickle Cell Disease: Insights Into Isovolemic Hemodilution Use
Jones, Jennifer M. , Aldarweesh, Fatima , Aqui, Nicole, Bobr, Aleh , Brunker, Patricia A. R. , Covington, Mischa L. , Guarente, Juliana , Hagar, Robert, Karafin, Matthew, Lamba, Divjot Singh , Lee, Grace M. , Mack, Ethan A. , Muthur, Gagan, Nazli, Saadiya, Olaniyan, H S, Raval, Jay S., Setya, Divya , Tanhehco, Yvette C. , Thant, Mamie, Wu, Yanyun , Wong, Edward C.C. , Zheng, Yan , Brunker, Patricia A R , Lee, Grace , Lu, Wen , Mack, Ethan A , Onyenekwu, Chinelo P , Setya, Divya , Tanhehco, Yvette C , Vivero, Angelica , Yurtsever, Nalan , Zheng, Yan , Shi, Patricia A , Webb, Jennifer , Aldarweesh, Fatima , Aqui, Nicole A., Hagar, Robert Ward, Lu, Wen , Nazli, Saadiya , Yurtsever, Nalan , Shi, Patricia A.

Journal of Clinical Apheresis | June 19, 2026 | Volume: 41 | Issue: 3 | Pages: No page available

10.1002/jca.70146 | PMID 42316838 Get It

ABSTRACT Prior surveys of chronic automated red blood cell exchange (RCE) for patients with sickle cell disease (SCD) have identified considerable procedural variability, especially with the use of isovolemic hemodilution red blood cell exchange (IHD‐RCE). We conducted a survey of chronic RCE practices among American Society for Apheresis (ASFA) members to identify opportunities for practice harmonization and future studies. The ASFA SCD Research Subcommittee developed a 72‐item survey of chronic RCE practices, with a focus on IHD‐RCE. The survey was validated internally and distributed by email to all ASFA members from September 2024 to February 2025. One survey response from each institution was retained for data analysis. Descriptive statistics were performed. Sixty‐two survey responses, including three from international institutions, were retained for analysis. Sixty‐one percent of respondents (38/62) reported using at least one fixed RCE target, with end hematocrit being the most common fixed parameter (40%, 25/62), followed by fraction of cells remaining (31%, 19/62) and hemoglobin S% (27%, 17/62). Most respondents (60%, 37/61) performed IHD‐RCE at their institution, though other details such as the minimum hematocrit, exclusion criteria, and response to adverse effects were variable. Consistent pre‐ and post‐RCE laboratory monitoring practices were reported. Consistent with earlier surveys, procedural variability in chronic RCE practices for patients with SCD is observed. This highlights opportunities to compare outcomes where practice variability exists. Consensus guidelines based on institutional practices with optimal outcomes should be developed.