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374 citation(s) found for "Vargas, A".

Psychotropic medication usage in sporadic versus genetic behavioral‐variant frontotemporal dementia
Vargas‐González, Juan‐Camilo , Dimal, Nico , Cortez, Kasey, Heuer, Hilary W. , Forsberg, Leah K. , Barmada, Sami J. , Darby, R. Ryan , Domoto‐Reilly, Kimiko , Geschwind, Daniel H. , Ghoshal, Nupur , Graff‐Radford, Neill R., Grant, Ian , Kantarci, Kejal , Mackenzie, Ian R. , Masdeu, Joseph C. , Mendez, Mario F. , Onyike, Chiadi U. , Pascual, Belén , Pressman, Peter , Ramos, Eliana Marisa , Roberson, Erik D. , Rogalskı, Emily , Boxer, Adam L. , Rosen, Howie, Damme, Philip Van , Boeve, Brad F, Roberson, Erik , Kantarci, Kejal , Van Damme, Philip , Pascual, Belen , Domoto-Reilly, Kimiko , Barmada, Sami , Appleby, Brian S. , Bozoki, Andrea C , Clark, David , Cobigo, Yann , Dickerson, Bradford Clark , Galasko, Douglas , Graff‐Radford, Neill R. , Irwin, David J. , Hsiung, Ging‐Yuek Robin , Honig, Lawrence S. , Léger, Gabriel C. , Litvan, Irene , Masdeu, Joseph C , Boeve, Bradley F. , Tartaglia, Maria Carmela

Alzheimer's & Dementia | December 23, 2024 | Volume: 21 | Issue: 2 | Pages: No page available

10.1002/alz.14448 | PMID 39713899 Get It

Abstract INTRODUCTION Psychotropic medication (PM) use in behavioral‐variant frontotemporal dementia (bvFTD) is higher than in other dementias. However, no information exists on whether PM use differs between sporadic and genetic bvFTD. METHODS We analyzed data from sporadic and genetic bvFTD participants with PM prescriptions in the Advancing Research and Treatment in Frontotemporal Lobar Degeneration/Longitudinal Evaluation of Familial Frontotemporal Dementia Subjects study. We estimated ordinal odds ratio (OOR) of having more PM comparing sporadic and genetic bvFTD. Finally, we explored the neuropsychiatric symptom (NPS) combinations using classification and regression trees (CART). RESULTS We included 263 with sporadic and 193 with genetic bvFTD. The OOR for sporadic bvFTD to be on PM was 1.75 (95% confidence interval: 1.21 to 2.53) for the fully adjusted model. CART revealed the most common NPS combination was apathy + personality changes in 18% of participants. DISCUSSION Participants with sporadic bvFTD were twice as likely to be on PM compared to genetic bvFTD. The reason for increased PM usage in sporadic bvFTD participants should be further investigated. Highlights We report on patients with behavioral variant frontotemporal dementia (bvFTD). We evaluated the psychotropic medication (PM) prescription at baseline in the cohort. Patients with sporadic bvFTD had more prescriptions for PM than genetic patients. The frequency of symptoms combination was different in sporadic and genetic bvFTD.
Optimal glucocorticoid therapy in lupus nephritis
Figueroa‐Parra, Gabriel , Navarro-Mendoza, Erika, Bautista-Vargas, Mario, Navarro-Mendoza, Erika , Figueroa-Parra, Gabriel , Bautista-Vargas, Mario Alejandro , Duarte‐García, Alí

Nephrology Dialysis Transplantation | December 21, 2024 | Volume: 40 | Issue: 7 | Pages: 1284-1293

10.1093/ndt/gfae294 | PMID 39706677 Get It

ABSTRACT This review provides an in-depth analysis of glucocorticoid therapy for lupus nephritis (LN), a severe manifestation of systemic lupus erythematosus that affects up to 51.7% of patients. LN significantly increases the risk of mortality and progression to end-stage kidney disease. Glucocorticoids have been central to LN treatment for decades due to their anti-inflammatory properties, but optimal dosing strategies remain uncertain. The review discusses the historical evolution of glucocorticoid use, highlighting the shift from high-dose regimens to combined approaches with immunosuppressants and lower glucocorticoid doses to minimize adverse effects. Mechanistically, glucocorticoids exert effects through genomic and non-genomic pathways, modulating immune responses and metabolism. Long-term use is associated with risks such as infection, osteoporosis, hyperglycemia and cardiovascular disease. The review examines different dosing strategies, including intravenous pulse therapy and oral regimens, and presents evidence of their efficacy and safety. It also explores alternative approaches, such as low-dose and glucocorticoid-free regimens, which show promise but require further study. The review concludes by emphasizing the need for future research to optimize glucocorticoid regimens, refine tapering protocols and identify safer therapeutic combinations, as glucocorticoids remain a cornerstone in LN management despite their challenges.
Antivirals in Preventing Perinatal Transmission of Hepatitis B: Start and Stop Times are Shifting
Terrault, Norah A. , Vargas, Hugo E. , Terrault, Norah , Vargas, Hugo E

American Journal of Gastroenterology | December 10, 2024 | Volume: 120 | Issue: 5 | Pages: 1007-1008

10.14309/ajg.0000000000003177 | PMID 39656174 Get It

RETRACTED: Targeting mechanistic target of rapamycin complex 2 attenuates immunopathology in systemic lupus erythematosus
Ai, Minji , Jafar‐Nejad, Paymaan , Li, Yanfeng , Gades, Naomi M. , Alexander, Mariam P., Duarte‐García, Alí , Zeng, Hu , Alexander, Mariam P. , Gades, Naomi, Alexander, Mariam P , Bautista-Vargas, Mario, Duarte-García, Alí , Zeng, Hu , Zhou, Xian , Carrer, Michele , Bautista-Vargas, Mario Alejandro

Rheumatology | December 3, 2024 | Volume: 64 | Issue: 6 | Pages: 3964-3974

10.1093/rheumatology/keae662 | PMID 39656824 Get It

Sex Differences in Patient-Reported Outcomes and Perception of Ascites Burden Among Outpatients With Decompensated Cirrhosis and Ascites
Wong, Florence , Reddy, K. Rajender , Tandon, Puneeta , Lai, Jennifer C. , García‐Tsao, Guadalupe , O'leary, Jacqueline, Biggins, Scott W. , Vargas, Hugo E. , Thacker, Leroy R. , Kamath, Patrick S. , Bajaj, Jasmohan S. , Group, The NACSELD III Study, O'Leary, Jacqueline G , Thacker, Leroy R , Tandon, Puneeta , Wong, Florence , Lai, Jennifer , Vargas, Hugo E , García–Tsao, Guadalupe , Group, The NACSELD III Study

American Journal of Gastroenterology | November 27, 2024 | Volume: 120 | Issue: 8 | Pages: 1791-1799

10.14309/ajg.0000000000003251 | PMID 39601412 Get It

INTRODUCTION: Perception of the ascites burden and its effects on quality of life may be different between sexes. This study assessed sex differences in perception of ascites burden and its impact on health-related quality of life (HRQoL) in patients with recurrent or refractory ascites. METHODS: The North American Consortium for the Study of End-stage Liver Disease prospectively enrolled outpatients with cirrhosis and large ascites requiring repeat large volume paracenteses. Demographics, laboratory results, comorbidities, medications, frailty measurements, and self-reported questionnaires related to functional status, physical activities, and HRQoL (generic = Short Form 36 and ascites specific = Ascites Questionnaire) were compared between sexes. RESULTS: In total, 392 men (59.6 ± 10.7 years) and 184 women (59.5 ± 11.1 years) with predominantly alcohol-related liver disease (51% and 43%, respectively) and median Model for End-Stage Liver Disease-Na: 13 were enrolled. Both groups had similar comorbidities and cirrhosis complications, ascites duration and severity, and frailty scores ( P = 0.94). Women had more symptoms related to their ascites (Ascites Questionnaire score = 66 ± 21 vs 60 ± 21 in men, P = 0.001) (higher value = feeling worse). 35% of women felt depressed vs 22% of men ( P = 0.0009), with lower mental but not physical functioning components of Short Form 36 ( P = 0.019). Women continued to conduct their daily activities as adequately as men as indicated by Duke Status Activity Index ( P = 0.27) and Godin Leisure Activity Index ( P = 0.47). DISCUSSION: Women with cirrhosis and ascites experienced worse emotional HRQoL than men without difference in daily function. Our analyses underscore the differences in the lived experience of women vs men with cirrhosis and highlight the need for patient-reported metrics to provide patient-centered care.
Cardiorespiratory Fitness From Cardiopulmonary Exercise Testing Is a Comprehensive Risk-stratifying Tool in Liver Transplant Candidates
Hughes, Dempsey L. , Wheatley, Courtney M. , Vargas, Hugo E. , Bloomer, Pamela M., Wolf, Cody, Carey, Elizabeth J. , Duarte‐Rojo, Andrés , Duarte-Rojo, Andres , Vargas, Hugo E , Lizaola‐Mayo, Blanca , Forman, Daniel E.

Transplantation Direct | November 21, 2024 | Volume: 10 | Issue: 12 | Pages: e1725

10.1097/txd.0000000000001725 | PMID 39563725 Get It

Background. Cardiovascular disease and physical decline are prevalent and associated with morbidity/mortality in liver transplant (LT) patients. Cardiopulmonary exercise testing (CPX) provides comprehensive cardiopulmonary and exercise response assessments. We investigated cardiorespiratory fitness (CRF) and cardiac stress generated during CPX in LT candidates. Methods. LT candidates at 2 centers underwent CPX. Standard-of-care cardiac stress testing (dobutamine stress echocardiography, DSE) results were recorded. Physical function was assessed with liver frailty index and 6-min walk test. CPX/DSE double products were calculated to quantify cardiac stress. To better study the association of CPX-derived metrics with physical function, the cohort was divided into 2 groups based on 6-min walk test median (372 m). Results. Fifty-four participants (62 ± 8 y; 65% men, Model for End-Stage Liver Disease-Na 14 [10–18]) underwent CPX. Peak oxygen consumption was 14.1 mL/kg/min for an anerobic threshold of 10.2 mL/kg/min, with further CRF decline in the lower 6MWT cohort despite lack of liver frailty index-frailty in 90%. DSE was nondiagnostic in 18% versus 4% of CPX (P = 0.058). All CPX were negative for ischemia. A double product of ≥25 000 was observed in 32% of CPX and 11% of DSE (P = 0.020). Respiratory function testing was normal. No patient presented major cardiovascular events at 30 d post-LT. Conclusions. CPX provided efficient and effective combined cardiopulmonary risk and frailty assessments of LT candidates in a 1-stop test. The CRF was found to be very low despite preserved physical function or lack of frailty.
Abstract 4137484: Clinical implications of combined midodrine and pulmonary vasodilator therapy in Portopulmonary Hypertension
Bergeron, Nicholas , Reddy, Yogesh N.V. , Cartin‐Ceba, Rodrigo , Krowka, Michael J. , Swanson, Karen L., Watt, Kymberly D. , Nishimura, Rick , Cajigas, Héctor , Burger, Charles D. , DuBrock, Hilary M. , Keaveny, Andrew P. , Vargas, Hugo E.

Circulation | November 13, 2024 | Volume: 150 | Issue: Suppl_1 | Pages: No page available

10.1161/circ.150.suppl_1.4137484 Get It

Introduction: Portopulmonary hypertension (POPH) and associated pulmonary vascular resistance (PVR) elevation is seen in the context of underlying portal hypertension and liver disease. In the systemic circulation, liver cirrhosis can cause inappropriate splanchnic and systemic vasodilation with decreased systemic vascular resistance (SVR). Midodrine is used to maintain blood pressure in the setting of low SVR. Pulmonary vasodilators have systemic vasodilatory effects; the implications of combined midodrine and pulmonary vasodilator use in POPH are unanswered questions. Hypothesis: We hypothesized that SVR would decrease over time in patients with POPH started on pulmonary vasodilators, and that use of midodrine (as a surrogate for depressed SVR), may be associated with increased risk of mortality in patients with POPH starting pulmonary vasodilator therapy. Methods: Patients from the 3 Mayo Clinic sites (Rochester, MN; Jacksonville, FL; Scottsdale, AZ) diagnosed with POPH from 1988-2020 were included in the database. Patients met hemodynamic criteria for POPH via right heart catheterization (RHC). Hemodynamics were obtained from echocardiography and RHC at initial and subsequent visits. The hazard ratio for risk of death was estimated using Cox proportional hazards method. SVR was calculated using mean arterial pressure and cardiac output. Results: Analysis included 147 POPH patients, 34 (23%) on midodrine and 113 (77%) not requiring midodrine. There were 116 patients with longitudinal SVR data. The mean initial SVR was 1224 Dyne sec cm-5 and decreased 251 Dyne sec cm-5 [95% CI -337 to -165 251 Dyne sec cm-5, p<0.0001] with no difference between midodrine groups (p=0.57). Patients in the midodrine POPH group had an increased risk of mortality compared to those without midodrine use (HR 1.51, 95% CI: 1.02-2.21, p=0.0371). Conclusions: Patients with POPH starting pulmonary vasodilator have a reduction in SVR related to vasodilator therapy. Midodrine use with pulmonary vasodilator therapy is associated with increased mortality in the POPH population. Further study of the safety of combined midodrine and pulmonary vasodilator use in POPH is needed along with exploration of more selective pulmonary vasodilators.
RADT-37. PROTON THERAPY REIRRADIATION FOR RECURRENT MALIGNANT GLIOMA: PROSPECTIVE ANALYSIS FROM THE PROTON COLLABORATIVE GROUP
Gal, Omer , Mihalcik, Stephen A. , Chang, John, Rosen, L, Choi, I.J., Vargas, Carlos , Zeng, Jing , Simone, Charles B. , Tsai, Henry K. , Press, Robert H.

Neuro-Oncology | November 11, 2024 | Volume: 26 | Issue: Supplement_8 | Pages: viii80-viii81

10.1093/neuonc/noae165.0321 Get It

Abstract BACKGROUND Standard of care treatment for recurrent malignant glioma after prior radiotherapy (RT) is not well established. Proton therapy (PT) is increasingly used for reirradiation (ReRT) at the time of recurrence; however, treatment outcomes, toxicity, and prognostic factors for patients treated with PT-ReRT remain poorly defined. METHODS The prospective, multi-institutional Proton Collaborative Group (PCG) registry was queried for patients with malignant glioma who previously received RT and underwent PT-ReRT between 7/2011-12/2023. Overall survival (OS) and progression-free survival (PFS) were assessed using the Kaplan-Meier method, and Cox proportional hazards regression was used for uni- and multivariate analysis (UVA and MVA). Dose was calculated using equivalent dose in 2-Gy fractions (EQD2). RESULTS 143 consecutive patients were identified. Median follow-up was 11.2 months and median time interval (TI) from prior RT (median 58.5 Gy) to PT-ReRT (median 44.6 Gy) was 42.4 months. Primary histology was glioblastoma (n=74), astrocytoma (n=35), and oligodendroglioma (n=34). Median PFS and OS were 8.1 and 11.2 months, respectively. On UVA, improved OS was associated with oligodendroglioma (HR 0.37) and astrocytoma histology (HR 0.53) compared to glioblastoma, TI &gt;60 months (HR 0.2), CNS WHO Grade 2 compared to 4 (HR 0.42), and ECOG performance status 0 (HR 0.47). On MVA, improved OS remained associated only with oligodendroglioma (HR 0.42) and TI &gt;60 months (HR 0.49). Acute and Late Grade 3 toxicity occurred in 7% and 4% of patients. Acute Grade 3 toxicity was associated with poor performance status (HR 16.15). CONCLUSIONS In the largest series of glioma PT-ReRT reported to date, retreatment appears well tolerated with variable outcomes based on clinical prognostic factors. Toxicity rates were acceptable compared to historical photon-based literature despite a high median prescription dose.
Advanced Liver Fibrosis Impairs Cardiorespiratory Fitness in Patients with Metabolic Dysfunction-Associated Steatotic Liver Disease
Hummer, Breianna , Vargas, Hugo E. , Vargas, Hugo E , Sogbe, Miguel , Stine, Jonathan G. , Lizaola‐Mayo, Blanca , Forman, Daniel E. , Duarte‐Rojo, Andrés

No container title available | November 8, 2024 | Volume: No volume available | Issue: No issue available | Pages: No page available

10.21203/rs.3.rs-5299073/v1 Get It

Abstract Background MASLD is a leading reason for liver transplant waitlisting. The relationship between cardiorespiratory fitness (CRF) and liver fibrosis in patients with MASLD remains unclear. This study aims to provide further evidence supporting the relationship between liver fibrosis and CRF. Methods Subjects with MASLD across various fibrosis stages, including those with cirrhosis awaiting liver transplantation from three U.S. transplant centers, underwent cardiopulmonary exercise testing (CPX). We compared participants based on fibrosis stage (F0-F1, F2-F3, and F4) and CPX parameters such as VO2peak, respiratory exchange ratio (RER), ventilatory efficiency (VE/VCO2), double product (DP) and chronotropic incompetence (CI). Multivariable models were then built to evaluate factors associated with these parameters. Results Sixty-one subjects underwent CPX testing across three centers. Subjects with F4 had lower VO2peak (11.8 mL/kg/min) compared to F0-F1 (22.2 mL/kg/min) and F2-F3 (22.9 mL/kg/min), p < 0.001. Subjects with F4 had higher RER (median 1.25) compared to F0-F1 (1.08) and F2-F3 (1.05), p = 0.001. Similarly, F4 subjects exhibited higher VE/VCO2 (median 36.5) compared to F0-F1 (31) and F2-F3 (30), p < 0.001. Additionally, F4 subjects had lower DP values (median 17,696) compared to F0-F1 (25,460) and F2-F3 (25,372), and higher prevalence of CI (90%) compared to F0-F1 (39%) and F2-F3 (25%), both p = < 0.001. Multivariable modeling confirmed advanced fibrosis (F > 3) as an independent predictor of low CRF. Conclusions In MASLD patients, advanced liver fibrosis, particularly cirrhosis, is associated with reduced CRF and poorer hemodynamic performance during CPX. Prioritizing exercise training for those in earlier stages (F3) may prevent fitness decline, which could hinder physical training and liver transplantation candidacy.
Collaborative Study: Identifying Risk Factors for ESKD in Leukocyte Chemotactic Factor 2 (ALECT2)-Associated Amyloidosis
Vargas-Brochero, Maria Jose, Vaughan, Lisa E. , Miranda, María Fernanda Zavala, Uribe‐Uribe, Norma , Vargas-Brochero, Maria J. , Mejia-Vilet, Juan Manuel , Leung, Nelson

Journal of the American Society of Nephrology | October 28, 2024 | Volume: 35 | Issue: 10S | Pages: No page available

10.1681/asn.2024y2scrswc Get It