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Xing DG, Horan T, Bhuiyan MS, Faisal ASM, Densmore K, Murnane KS, Goeders NE, Bailey SR, Conrad SA, Vanchiere JA, Patterson JC, Kevil CG, Bhuiyan MAN. Social-geographic disparities in suicidal ideations among methamphetamine users in the USA. Psychiatry Res 2023; 329:115524. [PMID: 37852161 PMCID: PMC10841467 DOI: 10.1016/j.psychres.2023.115524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 10/01/2023] [Accepted: 10/02/2023] [Indexed: 10/20/2023]
Abstract
IMPORTANCE Methamphetamine use is a growing public health concern nationwide. Suicide is the second leading cause of death in 2019 for US citizens aged 10-14 years and 25-34 years and is also a significant public health concern. Understanding the intersection of methamphetamine use and suicidal ideation (SI) is necessary to develop public health and policy solutions that mitigate these ongoing severe public health issues. OBJECTIVE Our objective was to examine SI in methamphetamine users to allow us to determine prevalence and trends by age, sex, race, and geographical region. DESIGN, SETTINGS, AND PARTICIPANTS Using data collected between 2008 and 2019 from the National Inpatient Sample (NIS) database, we identified hospital admissions (HA) of patients ≥18 years of age with a primary or secondary diagnosis of SI who were also diagnosed as methamphetamine users. Those who used other substances with methamphetamine were excluded from the analysis. MAIN OUTCOME AND MEASURES To determine the trend and prevalence of hospital admissions due to SI and SI among methamphetamine users, we used trend weights to calculate the national estimates and performed design-based analysis to account for complex survey design and sampling weights on data collected between 2008 and 2019 in the US. RESULTS The prevalence ratio (PR) of hospitalizations with concurrent SI and methamphetamine use increased 16-fold from 2008 to 2019. The most significant increase occurred between 2015 and 2016; the PR doubled from 6.07 to 12.14. The PR of hospitalizations with concurrent SI and methamphetamine use was highest in patients aged 26-40 (49.08%) and 41-64 (28.49%). Patients aged 41-64 showed the most significant increase from 2008 to 2019 (15.8-fold). While non-Hispanic White patients comprised most of these hospitalizations (77.02%), non-Hispanic Black patients showed the highest proportional increase (39.1-fold). The Southern and Western regions in the US showed the highest PR for these hospitalizations (34.86% and 34.31%, respectively). CONCLUSION AND RELEVANCE Our findings indicate that SI in methamphetamine users has been increasing for some time and is likely to grow. In addition, our results suggest that these patients are demographically different. Both conditions are associated with a lesser likelihood of seeking and receiving care. Therefore, when addressing increased SI or methamphetamine use, learning more about patients who share both conditions is necessary to ensure proper care.
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Affiliation(s)
- Diensn G Xing
- Department of Medicine, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States
| | - Teresa Horan
- Department of Medicine, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States
| | - Md Shenuarin Bhuiyan
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States; Department of Pathology and Translational Pathobiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States
| | - Abu Saleh Mosa Faisal
- Department of Medicine, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States
| | - Kenneth Densmore
- Office of Research, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States
| | - Kevin S Murnane
- Department of Pharmacology, Toxicology & Neuroscience, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States; Department of Psychiatry and Behavioral Medicine, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States; Louisiana Addiction Research Center, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA, United States
| | - Nicholas E Goeders
- Department of Pharmacology, Toxicology & Neuroscience, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States; Department of Psychiatry and Behavioral Medicine, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States; Louisiana Addiction Research Center, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA, United States
| | - Steven R Bailey
- Department of Medicine, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States
| | - Steven A Conrad
- Department of Medicine, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States; Department of Pediatrics, LSU Health Sciences Center Shreveport, Shreveport, LA, United States
| | - John A Vanchiere
- Department of Pharmacology, Toxicology & Neuroscience, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States; Department of Pediatrics, LSU Health Sciences Center Shreveport, Shreveport, LA, United States
| | - James C Patterson
- Department of Pharmacology, Toxicology & Neuroscience, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States; Department of Psychiatry and Behavioral Medicine, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States; Louisiana Addiction Research Center, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA, United States
| | - Christopher G Kevil
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States; Department of Pathology and Translational Pathobiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States
| | - Mohammad Alfrad Nobel Bhuiyan
- Department of Medicine, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, United States; Louisiana Addiction Research Center, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA, United States.
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Dhaibar HA, Kamberov L, Carroll NG, Amatya S, Cosic D, Gomez-Torres O, Vital S, Sivandzade F, Bhalerao A, Mancuso S, Shen X, Nam H, Orr AW, Dudenbostel T, Bailey SR, Kevil CG, Cucullo L, Cruz-Topete D. Exposure to Stress Alters Cardiac Gene Expression and Exacerbates Myocardial Ischemic Injury in the Female Murine Heart. Int J Mol Sci 2023; 24:10994. [PMID: 37446174 PMCID: PMC10341935 DOI: 10.3390/ijms241310994] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/23/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023] Open
Abstract
Mental stress is a risk factor for myocardial infarction in women. The central hypothesis of this study is that restraint stress induces sex-specific changes in gene expression in the heart, which leads to an intensified response to ischemia/reperfusion injury due to the development of a pro-oxidative environment in female hearts. We challenged male and female C57BL/6 mice in a restraint stress model to mimic the effects of mental stress. Exposure to restraint stress led to sex differences in the expression of genes involved in cardiac hypertrophy, inflammation, and iron-dependent cell death (ferroptosis). Among those genes, we identified tumor protein p53 and cyclin-dependent kinase inhibitor 1A (p21), which have established controversial roles in ferroptosis. The exacerbated response to I/R injury in restraint-stressed females correlated with downregulation of p53 and nuclear factor erythroid 2-related factor 2 (Nrf2, a master regulator of the antioxidant response system-ARE). S-female hearts also showed increased superoxide levels, lipid peroxidation, and prostaglandin-endoperoxide synthase 2 (Ptgs2) expression (a hallmark of ferroptosis) compared with those of their male counterparts. Our study is the first to test the sex-specific impact of restraint stress on the heart in the setting of I/R and its outcome.
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Affiliation(s)
- Hemangini A. Dhaibar
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, USA; (H.A.D.); (L.K.); (N.G.C.); (S.A.); (D.C.); (O.G.-T.); (S.V.)
- Center for Cardiovascular Diseases and Sciences and Center for Redox Biology and Cardiovascular Disease, LSU Health Sciences Center, Shreveport, LA 71103, USA; (X.S.); (H.N.); (A.W.O.); (T.D.); (S.R.B.); (C.G.K.)
| | - Lilly Kamberov
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, USA; (H.A.D.); (L.K.); (N.G.C.); (S.A.); (D.C.); (O.G.-T.); (S.V.)
- Center for Cardiovascular Diseases and Sciences and Center for Redox Biology and Cardiovascular Disease, LSU Health Sciences Center, Shreveport, LA 71103, USA; (X.S.); (H.N.); (A.W.O.); (T.D.); (S.R.B.); (C.G.K.)
| | - Natalie G. Carroll
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, USA; (H.A.D.); (L.K.); (N.G.C.); (S.A.); (D.C.); (O.G.-T.); (S.V.)
- Center for Cardiovascular Diseases and Sciences and Center for Redox Biology and Cardiovascular Disease, LSU Health Sciences Center, Shreveport, LA 71103, USA; (X.S.); (H.N.); (A.W.O.); (T.D.); (S.R.B.); (C.G.K.)
| | - Shripa Amatya
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, USA; (H.A.D.); (L.K.); (N.G.C.); (S.A.); (D.C.); (O.G.-T.); (S.V.)
- Center for Cardiovascular Diseases and Sciences and Center for Redox Biology and Cardiovascular Disease, LSU Health Sciences Center, Shreveport, LA 71103, USA; (X.S.); (H.N.); (A.W.O.); (T.D.); (S.R.B.); (C.G.K.)
| | - Dario Cosic
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, USA; (H.A.D.); (L.K.); (N.G.C.); (S.A.); (D.C.); (O.G.-T.); (S.V.)
- Center for Cardiovascular Diseases and Sciences and Center for Redox Biology and Cardiovascular Disease, LSU Health Sciences Center, Shreveport, LA 71103, USA; (X.S.); (H.N.); (A.W.O.); (T.D.); (S.R.B.); (C.G.K.)
| | - Oscar Gomez-Torres
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, USA; (H.A.D.); (L.K.); (N.G.C.); (S.A.); (D.C.); (O.G.-T.); (S.V.)
- Facultad de Ciencias Ambientales y Bioquímica, Universidad de Castilla-La Mancha, Toledo 45004, Spain
| | - Shantel Vital
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, USA; (H.A.D.); (L.K.); (N.G.C.); (S.A.); (D.C.); (O.G.-T.); (S.V.)
- Center for Cardiovascular Diseases and Sciences and Center for Redox Biology and Cardiovascular Disease, LSU Health Sciences Center, Shreveport, LA 71103, USA; (X.S.); (H.N.); (A.W.O.); (T.D.); (S.R.B.); (C.G.K.)
| | - Farzane Sivandzade
- Department of Biological Sciences, Oakland University, Rochester, MI 48309, USA; (F.S.); (A.B.); (S.M.)
- Department of Foundation Medical Studies, Oakland University William Beaumont School of Medicine, Rochester, MI 48309, USA
| | - Aditya Bhalerao
- Department of Biological Sciences, Oakland University, Rochester, MI 48309, USA; (F.S.); (A.B.); (S.M.)
- Department of Foundation Medical Studies, Oakland University William Beaumont School of Medicine, Rochester, MI 48309, USA
| | - Salvatore Mancuso
- Department of Biological Sciences, Oakland University, Rochester, MI 48309, USA; (F.S.); (A.B.); (S.M.)
- Department of Foundation Medical Studies, Oakland University William Beaumont School of Medicine, Rochester, MI 48309, USA
| | - Xinggui Shen
- Center for Cardiovascular Diseases and Sciences and Center for Redox Biology and Cardiovascular Disease, LSU Health Sciences Center, Shreveport, LA 71103, USA; (X.S.); (H.N.); (A.W.O.); (T.D.); (S.R.B.); (C.G.K.)
- Department of Pathology and Translational Pathobiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, USA
| | - Hyung Nam
- Center for Cardiovascular Diseases and Sciences and Center for Redox Biology and Cardiovascular Disease, LSU Health Sciences Center, Shreveport, LA 71103, USA; (X.S.); (H.N.); (A.W.O.); (T.D.); (S.R.B.); (C.G.K.)
- Pharmacology, Toxicology and Neuroscience, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, USA
| | - A. Wayne Orr
- Center for Cardiovascular Diseases and Sciences and Center for Redox Biology and Cardiovascular Disease, LSU Health Sciences Center, Shreveport, LA 71103, USA; (X.S.); (H.N.); (A.W.O.); (T.D.); (S.R.B.); (C.G.K.)
- Department of Pathology and Translational Pathobiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, USA
| | - Tanja Dudenbostel
- Center for Cardiovascular Diseases and Sciences and Center for Redox Biology and Cardiovascular Disease, LSU Health Sciences Center, Shreveport, LA 71103, USA; (X.S.); (H.N.); (A.W.O.); (T.D.); (S.R.B.); (C.G.K.)
- LSU Health Sciences Center, Department of Internal Medicine, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, USA
| | - Steven R. Bailey
- Center for Cardiovascular Diseases and Sciences and Center for Redox Biology and Cardiovascular Disease, LSU Health Sciences Center, Shreveport, LA 71103, USA; (X.S.); (H.N.); (A.W.O.); (T.D.); (S.R.B.); (C.G.K.)
- LSU Health Sciences Center, Department of Internal Medicine, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, USA
| | - Christopher G. Kevil
- Center for Cardiovascular Diseases and Sciences and Center for Redox Biology and Cardiovascular Disease, LSU Health Sciences Center, Shreveport, LA 71103, USA; (X.S.); (H.N.); (A.W.O.); (T.D.); (S.R.B.); (C.G.K.)
- Department of Pathology and Translational Pathobiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, USA
| | - Luca Cucullo
- Department of Biological Sciences, Oakland University, Rochester, MI 48309, USA; (F.S.); (A.B.); (S.M.)
| | - Diana Cruz-Topete
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, USA; (H.A.D.); (L.K.); (N.G.C.); (S.A.); (D.C.); (O.G.-T.); (S.V.)
- Center for Cardiovascular Diseases and Sciences and Center for Redox Biology and Cardiovascular Disease, LSU Health Sciences Center, Shreveport, LA 71103, USA; (X.S.); (H.N.); (A.W.O.); (T.D.); (S.R.B.); (C.G.K.)
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Bamford NJ, Stewart AJ, El-Hage CM, Bertin FR, Bailey SR. Investigation of breed differences in plasma adrenocorticotropic hormone concentrations among healthy horses and ponies. Vet J 2023; 296-297:105995. [PMID: 37207985 DOI: 10.1016/j.tvjl.2023.105995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 04/06/2023] [Accepted: 05/16/2023] [Indexed: 05/21/2023]
Abstract
Plasma adrenocorticotropic hormone (ACTH) concentration is commonly measured to diagnose pituitary pars intermedia dysfunction (PPID). Several intrinsic and extrinsic factors affect ACTH concentrations, including breed. The objective of this study was to prospectively compare plasma ACTH concentrations among different breeds of mature horses and ponies. Three breed groups comprised Thoroughbred horses (n = 127), Shetland ponies (n = 131) and ponies of non-Shetland breeds (n = 141). Enrolled animals did not show any signs of illness, lameness or clinical signs consistent with PPID. Blood samples were collected 6 months apart, around the autumn equinox and spring equinox, and plasma concentrations of ACTH were measured by chemiluminescent immunoassay. Pairwise breed comparisons within each season were performed on log transformed data using the Tukey test. Estimated mean differences in ACTH concentrations were expressed as fold difference with 95 % confidence intervals (CI). Reference intervals for each breed group per season were calculated using non-parametric methods. In autumn, higher ACTH concentrations were found among non-Shetland pony breeds compared with Thoroughbreds (1.55 fold higher; 95 % CI, 1.35-1.77; P < 0.001), and in Shetland ponies compared with Thoroughbreds (2.67 fold higher; 95 % CI, 2.33-3.08; P < 0.001) and non-Shetland pony breeds (1.73 fold higher; 95 % CI, 1.51-1.98; P < 0.001). In spring, no differences were identified among breed groups (all P > 0.05). Reference intervals were similar among breed groups in spring, but upper limits for ACTH concentrations were markedly different between Thoroughbred horses and pony breeds in autumn. These findings emphasise that breed should be accounted for when determining and interpreting reference intervals for ACTH concentrations among healthy horses and ponies in autumn.
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Affiliation(s)
- N J Bamford
- Melbourne Veterinary School, The Universtiy of Melbourne, Building 400, Parkville, Victoria 3010, Australia.
| | - A J Stewart
- School of Veterinary Science, The University of Queensland, Building 4114, Gatton, Queensland 4343, Australia
| | - C M El-Hage
- Melbourne Veterinary School, The Universtiy of Melbourne, Building 400, Parkville, Victoria 3010, Australia
| | - F R Bertin
- School of Veterinary Science, The University of Queensland, Building 4114, Gatton, Queensland 4343, Australia
| | - S R Bailey
- Melbourne Veterinary School, The Universtiy of Melbourne, Building 400, Parkville, Victoria 3010, Australia
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Bhuiyan MS, Faisal ASM, Venkataraj M, Goeders NE, Bailey SR, Conrad SA, Vanchiere JA, Orr AW, Kevil CG, Bhuiyan MAN. Disparities in Prevalence and Trend of Methamphetamine-Associated Cardiomyopathy in the United States. J Am Coll Cardiol 2023; 81:1881-1883. [PMID: 37137595 PMCID: PMC11052538 DOI: 10.1016/j.jacc.2023.03.382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 02/14/2023] [Accepted: 03/07/2023] [Indexed: 05/05/2023]
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Bailey SR. PCI Facility Openings and Closures: If You Build It, Will They Benefit? JACC Cardiovasc Interv 2023; 16:1141-1143. [PMID: 37140501 DOI: 10.1016/j.jcin.2023.03.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 03/21/2023] [Indexed: 05/05/2023]
Affiliation(s)
- Steven R Bailey
- Department of Medicine, LSU Health, Shreveport, Louisiana, USA.
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Kattubadi A, Ahmad J, Sultan A, Bhuiyan MAN, Helmy T, Gopinathannair R, Olshansky B, Bailey SR. THE EFFECT OF COVID-19 PANDEMIC ON CARDIOLOGISTS AND THE PRACTICE OF CARDIOLOGY: A SURVEY BASED STUDY. J Am Coll Cardiol 2023. [PMCID: PMC9982949 DOI: 10.1016/s0735-1097(23)02278-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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Bhuiyan MAN, Davis TC, Arnold CL, Motayar N, Bhuiyan MS, Smith DG, Murnane KS, Densmore K, van Diest M, Bailey SR, Kevil CG. Using the social vulnerability index to assess COVID-19 vaccine uptake in Louisiana. GeoJournal 2022; 88:3239-3248. [PMID: 36531533 PMCID: PMC9734623 DOI: 10.1007/s10708-022-10802-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 11/21/2022] [Indexed: 06/02/2023]
Abstract
Using data from the Louisiana Department of Public Health, we explored the spatial relationships between the Social Vulnerability Index (SVI) and COVID-19-related vaccination and mortality rates. Publicly available COVID-19 vaccination and mortality data accrued from December 2020 to October 2021 was downloaded from the Louisiana Department of Health website and merged with the SVI data; geospatial analysis was then performed to identify the spatial association between the SVI and vaccine uptake and mortality rate. Bivariate Moran's I analysis revealed significant clustering of high SVI ranking with low COVID-19 vaccination rates (1.00, p < 0.001) and high smoothed mortality rates (0.61, p < 0.001). Regression revealed that for each 10% increase in SVI ranking, COVID-19 vaccination rates decreased by 3.02-fold (95% CI = 3.73-2.30), and mortality rates increased by a factor of 1.19 (95% CI = 0.99-1.43). SVI values are spatially linked and significantly associated with Louisiana's COVID-19-related vaccination and mortality rates. We also found that vaccination uptake was higher in whites than in blacks. These findings can help identify regions with low vaccination rates and high mortality, enabling the necessary steps to increase vaccination rates in disadvantaged neighborhoods.
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Affiliation(s)
| | - Terry C Davis
- Department of Medicine, Department of Pediatrics, and Feist-Weiller Cancer Center, Louisiana State University Health, Shreveport, LA USA
| | - Connie L Arnold
- Department of Medicine, Department of Pediatrics, and Feist-Weiller Cancer Center, Louisiana State University Health, Shreveport, LA USA
| | - Nasim Motayar
- Department of Medicine, Louisiana State University Health, Shreveport, LA USA
| | - Md. Shenuarin Bhuiyan
- Department of Pathology and Translational Pathobiology, Louisiana State University Health, Shreveport, LA USA
| | - Deborah G Smith
- Department of Medicine, Louisiana State University Health, Shreveport, LA USA
| | - Kevin S Murnane
- Department of Pharmacology, Toxicology and Neuroscience, Louisiana State University Health, Shreveport, LA USA
| | - Kenneth Densmore
- Center of Excellence for Emerging Viral Threats, Louisiana State University Health, Shreveport, LA USA
| | - Maarten van Diest
- Center of Excellence for Emerging Viral Threats, Louisiana State University Health, Shreveport, LA USA
| | - Steven R Bailey
- Department of Medicine, Louisiana State University Health, Shreveport, LA USA
| | - Christopher G Kevil
- Department of Pathology and Translational Pathobiology, Louisiana State University Health, Shreveport, LA USA
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Helmy T, Kumar S, Khan AA, Raza A, Smart S, Bailey SR. Review of Prosthetic Paravalvular Leaks: Diagnosis and Management. Curr Cardiol Rep 2022; 24:1287-1297. [PMID: 36152141 DOI: 10.1007/s11886-022-01744-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/29/2022] [Indexed: 11/30/2022]
Abstract
PURPOSE OF REVIEW Paravalvular leak (PVL) is a relatively uncommon complication associated with prosthetic valve implantation. PVL can occasionally lead to serious adverse consequences such as congestive heart failure, infective endocarditis, and hemolytic anemia. Surgical re-operation carries a high mortality risk. RECENT FINDINGS Transcatheter closure therapy provides a viable alternative for the treatment of this disorder with reasonable procedural and clinical success. The recent advent of hybrid imaging modalities has increased procedural success. This article summarizes the pathophysiology, clinical characteristics, and treatment modalities surroundings prosthetic paravalvular leak.
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Affiliation(s)
- Tarek Helmy
- Division of Cardiovascular Medicine, Louisiana State University School of Medicine, Shreveport, LA, USA.
| | - Sundeep Kumar
- Division of Cardiovascular Medicine, Saint Louis University School of Medicine, Saint Louis, MO, USA
| | - Abdul A Khan
- Division of Cardiovascular Medicine, Louisiana State University School of Medicine, Shreveport, LA, USA
| | - Ali Raza
- Division of Cardiovascular Medicine, Saint Louis University School of Medicine, Saint Louis, MO, USA
| | - Steven Smart
- Division of Cardiovascular Medicine, Saint Louis University School of Medicine, Saint Louis, MO, USA
| | - Steven R Bailey
- Division of Cardiovascular Medicine, Louisiana State University School of Medicine, Shreveport, LA, USA
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Zahr F, Chadderdon S, Song H, Sako E, Fuss C, Bailey SR, Cigarroa J. Contemporary diagnosis and management of severe tricuspid regurgitation. Catheter Cardiovasc Interv 2022; 100:646-661. [DOI: 10.1002/ccd.30364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 04/23/2022] [Accepted: 07/09/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Firas Zahr
- Division of Cardiology, Knight Cardiovascular Institute Oregon Health & Science University Portland Oregon USA
| | - Scott Chadderdon
- Division of Cardiology, Knight Cardiovascular Institute Oregon Health & Science University Portland Oregon USA
| | - Howard Song
- Division of Cardiac Surgery, Knight Cardiovascular Institute Oregon Health & Science University Portland Orego USA
| | - Edward Sako
- Department of Cardiothoracic Surgery UT Health San Antonio San Antonio Texas USA
| | - Cristina Fuss
- Department of Radiology Oregon Health & Science University Portland Oregon USA
| | - Steven R. Bailey
- Department of Internal Medicine LSU Health Shreveport School of Medicine Shreveport Louisiana USA
| | - Joaquin Cigarroa
- Division of Cardiology, Knight Cardiovascular Institute Oregon Health & Science University Portland Oregon USA
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Stout KM, Boudoulas KD, Povsic TJ, Altin SE, Jhand AS, Bailey SR, Goldsweig AM. Correction to: The Evolution of Virtual Physiologic Assessments and Virtual Coronary Intervention to Optimize Revascularization. Curr Cardiovasc Imaging Rep 2022. [DOI: 10.1007/s12410-022-09569-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Bailey SR. CIT 2022 special issue of catheterization and cardiovascular interventions. Catheter Cardiovasc Interv 2022; 99 Suppl 1:1375. [PMID: 35475543 DOI: 10.1002/ccd.30193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Bailey SR. Editor in Chief Letter. Catheter Cardiovasc Interv 2022; 99:viii. [PMID: 34994511 DOI: 10.1002/ccd.30058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Steven R Bailey
- Department of Internal Medicine, Malcolm Feist Chair of Interventional Cardiology, UT Health San Antonio, LSU Health School of Medicine, Shreveport, Louisiana, USA
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Dhaibar HA, Carroll NG, Amatya S, Kamberov L, Khanna P, Orr AW, Bailey SR, Oakley RH, Cidlowski JA, Cruz‐Topete D. Glucocorticoid Inhibition of Estrogen Regulation of the Serotonin Receptor 2B in Cardiomyocytes Exacerbates Cell Death in Hypoxia/Reoxygenation Injury. J Am Heart Assoc 2021; 10:e015868. [PMID: 34472367 PMCID: PMC8649237 DOI: 10.1161/jaha.120.015868] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Stress has emerged as an important risk factor for heart disease in women. Stress levels have been shown to correlate with delayed recovery and increased mortality after a myocardial infarction. Therefore, we sought to investigate if the observed sex-specific effects of stress in myocardial infarction may be partly attributed to genomic interactions between the female sex hormones, estrogen (E2), and the primary stress hormones glucocorticoids. Methods and Results Genomewide studies show that glucocorticoids inhibit estrogen-mediated regulation of genes with established roles in cardiomyocyte homeostasis. These include 5-HT2BR (cardiac serotonin receptor 2B), the expression of which is critical to prevent cardiomyocyte death in the adult heart. Using siRNA, gene expression, and chromatin immunoprecipitation assays, we found that 5-HT2BR is a primary target of the glucocorticoid receptor and the estrogen receptor α at the level of transcription. The glucocorticoid receptor blocks the recruitment of estrogen receptor α to the promoter of the 5-HT2BR gene, which may contribute to the adverse effects of stress in the heart of premenopausal women. Using immunoblotting, TUNEL (terminal deoxynucleotidal transferase-mediated biotin-deoxyuridine triphosphate nick-end labeling), and flow cytometry, we demonstrate that estrogen decreases cardiomyocyte death by a mechanism relying on 5-HT2BR expression. In vitro and in vivo experiments show that glucocorticoids inhibit estrogen cardioprotection in response to hypoxia/reoxygenation injury and exacerbate the size of the infarct areas in myocardial infarction. Conclusions These results established a novel mechanism underlying the deleterious effects of stress on female cardiac health in the setting of ischemia/reperfusion.
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Affiliation(s)
- Hemangini A. Dhaibar
- Department of Molecular and Cellular PhysiologyLouisiana State University Health Sciences CenterShreveportLA,Center for Cardiovascular Diseases and SciencesLouisiana State University Health Sciences CenterShreveportLA
| | - Natalie G. Carroll
- Department of Molecular and Cellular PhysiologyLouisiana State University Health Sciences CenterShreveportLA,Center for Cardiovascular Diseases and SciencesLouisiana State University Health Sciences CenterShreveportLA
| | - Shripa Amatya
- Department of Molecular and Cellular PhysiologyLouisiana State University Health Sciences CenterShreveportLA,Center for Cardiovascular Diseases and SciencesLouisiana State University Health Sciences CenterShreveportLA
| | - Lilly Kamberov
- Department of Molecular and Cellular PhysiologyLouisiana State University Health Sciences CenterShreveportLA,Center for Cardiovascular Diseases and SciencesLouisiana State University Health Sciences CenterShreveportLA
| | - Pranshu Khanna
- Department of Molecular and Cellular PhysiologyLouisiana State University Health Sciences CenterShreveportLA,Center for Cardiovascular Diseases and SciencesLouisiana State University Health Sciences CenterShreveportLA
| | - A. Wayne Orr
- Center for Cardiovascular Diseases and SciencesLouisiana State University Health Sciences CenterShreveportLA,Department of PathologyLouisiana State University Health Sciences CenterShreveportLA
| | - Steven R. Bailey
- Center for Cardiovascular Diseases and SciencesLouisiana State University Health Sciences CenterShreveportLA,Department of Internal MedicineLouisiana State University Health Sciences CenterShreveportLA
| | - Robert H. Oakley
- Department of Health and Human ServicesSignal Transduction LaboratoryNational Institute of Environmental Health SciencesNational Institutes of HealthResearch Triangle ParkNC
| | - John A. Cidlowski
- Department of Health and Human ServicesSignal Transduction LaboratoryNational Institute of Environmental Health SciencesNational Institutes of HealthResearch Triangle ParkNC
| | - Diana Cruz‐Topete
- Department of Molecular and Cellular PhysiologyLouisiana State University Health Sciences CenterShreveportLA,Center for Cardiovascular Diseases and SciencesLouisiana State University Health Sciences CenterShreveportLA
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14
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Perepu US, Chambers I, Wahab A, Ten Eyck P, Wu C, Dayal S, Sutamtewagul G, Bailey SR, Rosenstein LJ, Lentz SR. Standard prophylactic versus intermediate dose enoxaparin in adults with severe COVID-19: A multi-center, open-label, randomized controlled trial. J Thromb Haemost 2021; 19:2225-2234. [PMID: 34236768 PMCID: PMC8420176 DOI: 10.1111/jth.15450] [Citation(s) in RCA: 89] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 06/28/2021] [Accepted: 07/06/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Coronavirus disease 2019 (COVID-19) is associated with coagulopathy but the optimal prophylactic anticoagulation therapy remains uncertain and may depend on COVID-19 severity. OBJECTIVE To compare outcomes in hospitalized adults with severe COVID-19 treated with standard prophylactic versus intermediate dose enoxaparin. METHODS We conducted a multi-center, open-label, randomized controlled trial comparing standard prophylactic dose versus intermediate dose enoxaparin in adults who were hospitalized with COVID-19 and admitted to an intensive care unit (ICU) and/or had laboratory evidence of coagulopathy. Patients were randomly assigned in a 1:1 ratio to receive standard prophylactic dose enoxaparin or intermediate weight-adjusted dose enoxaparin. The primary outcome was all-cause mortality at 30 days. Secondary outcomes included arterial or venous thromboembolism and major bleeding. RESULTS A total of 176 patients (99 males and 77 females) underwent randomization. In the intention-to-treat population, all-cause mortality at 30 days was 15% for intermediate dose enoxaparin and 21% for standard prophylactic dose enoxaparin (odds ratio, 0.66; 95% confidence interval, 0.30-1.45; P = .31 by Chi-square test). Unadjusted Cox proportional hazards modeling demonstrated no significant difference in mortality between intermediate and standard dose enoxaparin (hazard ratio, 0.67; 95% confidence interval, 0.33-1.37; P = .28). Arterial or venous thrombosis occurred in 13% of patients assigned to intermediate dose enoxaparin and 9% of patients assigned to standard dose enoxaparin. Major bleeding occurred in 2% of patients in each arm. CONCLUSION In hospitalized adults with severe COVID-19, standard prophylactic dose and intermediate dose enoxaparin did not differ significantly in preventing death or thrombosis at 30 days.
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Affiliation(s)
- Usha S Perepu
- Department of Internal Medicine, University of Iowa, Iowa City, Iowa, USA
| | - Isaac Chambers
- Department of Internal Medicine, University of Iowa, Iowa City, Iowa, USA
| | - Abdul Wahab
- Department of Internal Medicine, University of Iowa, Iowa City, Iowa, USA
| | - Patrick Ten Eyck
- Institute for Clinical and Translational Science, University of Iowa, Iowa City, Iowa, USA
| | - Chaorong Wu
- Institute for Clinical and Translational Science, University of Iowa, Iowa City, Iowa, USA
| | - Sanjana Dayal
- Department of Internal Medicine, University of Iowa, Iowa City, Iowa, USA
| | - Grerk Sutamtewagul
- Department of Internal Medicine, University of Iowa, Iowa City, Iowa, USA
| | - Steven R Bailey
- Department of Internal Medicine, LSU Health Shreveport, Shreveport, Louisiana, USA
| | | | - Steven R Lentz
- Department of Internal Medicine, University of Iowa, Iowa City, Iowa, USA
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15
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Stout KM, Boudoulas KD, Povsic TJ, Altin SE, Jhand AS, Bailey SR, Goldsweig AM. The Evolution of Virtual Physiologic Assessments and Virtual Coronary Intervention to Optimize Revascularization. Curr Cardiovasc Imaging Rep 2021. [DOI: 10.1007/s12410-021-09554-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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16
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Dominic P, Ahmad J, Bhandari R, Pardue S, Solorzano J, Jaisingh K, Watts M, Bailey SR, Orr AW, Kevil CG, Kolluru GK. Decreased availability of nitric oxide and hydrogen sulfide is a hallmark of COVID-19. Redox Biol 2021; 43:101982. [PMID: 34020311 PMCID: PMC8106525 DOI: 10.1016/j.redox.2021.101982] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 04/10/2021] [Accepted: 04/16/2021] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is involved in a global outbreak affecting millions of people who manifest a variety of symptoms. Coronavirus disease 2019 (COVID-19) caused by SARS-CoV-2 is increasingly associated with cardiovascular complications requiring hospitalizations; however, the mechanisms underlying these complications remain unknown. Nitric oxide (NO) and hydrogen sulfide (H2S) are gasotransmitters that regulate key cardiovascular functions. METHODS Blood samples were obtained from 68 COVID-19 patients and 33 controls and NO and H2S metabolites were assessed. H2S and NO levels were compared between cases and controls in the entire study population and subgroups based on race. The availability of gasotransmitters was examined based on severity and outcome of COVID-19 infection. The performance of H2S and NO levels in predicting COVID-19 infection was also analyzed. Multivariable regression analysis was performed to identify the effects of traditional determinants of gasotransmitters on NO and H2S levels in the patients with COVID-19 infection. RESULTS Significantly reduced NO and H2S levels were observed in both Caucasian and African American COVID-19 patients compared to healthy controls. COVID-19 patients who died had significantly higher NO and H2S levels compared to COVID-19 patients who survived. Receiver-operating characteristic analysis of NO and H2S metabolites in the study population showed free sulfide levels to be highly predictive of COVID-19 infection based on reduced availability. Traditional determinants of gasotransmitters, namely age, race, sex, diabetes, and hypertension had no effect on NO and H2S levels in COVID-19 patients. CONCLUSION These observations provide the first insight into the role of NO and H2S in COVID-19 infection, where their low availability may be a result of reduced synthesis secondary to endotheliitis, or increased consumption from scavenging of reactive oxygen species.
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Affiliation(s)
- Paari Dominic
- Department of Medicine, Louisiana State University Health Sciences Center-Shreveport, LA, United States; Molecular and Cellular Physiology, Louisiana State University Health Sciences Center-Shreveport, LA, United States; Center of Excellence for Cardiovascular Diseases & Sciences, Louisiana State University Health Sciences Center-Shreveport, LA, United States.
| | - Javaria Ahmad
- Department of Medicine, Louisiana State University Health Sciences Center-Shreveport, LA, United States
| | - Ruchi Bhandari
- Department of Epidemiology, School of Public Health, West Virginia University, Morgantown, WV, United States
| | - Sibile Pardue
- Department of Pathology, Louisiana State University Health Sciences Center-Shreveport, LA, United States
| | - Juan Solorzano
- Department of Medicine, Louisiana State University Health Sciences Center-Shreveport, LA, United States
| | - Keerthish Jaisingh
- Department of Medicine, Louisiana State University Health Sciences Center-Shreveport, LA, United States
| | - Megan Watts
- Department of Medicine, Louisiana State University Health Sciences Center-Shreveport, LA, United States,Molecular and Cellular Physiology, Louisiana State University Health Sciences Center-Shreveport, LA, United States,Center of Excellence for Cardiovascular Diseases & Sciences, Louisiana State University Health Sciences Center-Shreveport, LA, United States
| | - Steven R. Bailey
- Department of Medicine, Louisiana State University Health Sciences Center-Shreveport, LA, United States,Center of Excellence for Cardiovascular Diseases & Sciences, Louisiana State University Health Sciences Center-Shreveport, LA, United States
| | - A. Wayne Orr
- Molecular and Cellular Physiology, Louisiana State University Health Sciences Center-Shreveport, LA, United States,Center of Excellence for Cardiovascular Diseases & Sciences, Louisiana State University Health Sciences Center-Shreveport, LA, United States,Department of Pathology, Louisiana State University Health Sciences Center-Shreveport, LA, United States,Cellular Biology and Anatomy, Louisiana State University Health Sciences Center-Shreveport, LA, United States
| | - Christopher G. Kevil
- Molecular and Cellular Physiology, Louisiana State University Health Sciences Center-Shreveport, LA, United States,Center of Excellence for Cardiovascular Diseases & Sciences, Louisiana State University Health Sciences Center-Shreveport, LA, United States,Department of Pathology, Louisiana State University Health Sciences Center-Shreveport, LA, United States,Cellular Biology and Anatomy, Louisiana State University Health Sciences Center-Shreveport, LA, United States
| | - Gopi K. Kolluru
- Center of Excellence for Cardiovascular Diseases & Sciences, Louisiana State University Health Sciences Center-Shreveport, LA, United States,Department of Pathology, Louisiana State University Health Sciences Center-Shreveport, LA, United States,Corresponding author. Center of Excellence for Cardiovascular Diseases & Sciences, Louisiana State University Health Sciences Center-Shreveport, LA, United States.
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17
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Abreo AP, Bailey SR, Abreo K. Associations between calf, thigh, and arm circumference and cardiovascular and all-cause mortality in NHANES 1999-2004. Nutr Metab Cardiovasc Dis 2021; 31:1410-1415. [PMID: 33762151 DOI: 10.1016/j.numecd.2021.01.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 12/27/2020] [Accepted: 01/17/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND AND AIMS Prior studies have described an association between calf circumference and cardiovascular disorders. We evaluated the associations between calf, thigh, and arm circumference and cardiovascular and all-cause mortality. METHODS AND RESULTS We performed a retrospective cohort study of 11,871 patients in the 1999-2004 National Health and Nutrition Examination Survey (NHANES) to determine the association between calf circumference and cardiovascular and all-cause mortality using univariate and multivariate Cox proportional hazards. We additionally examined the association between thigh and arm circumference and mortality. In the multivariable Cox regression for the female stratum, each centimeter increase in calf circumference was associated with a hazard ratio of 0.88 (95% CI 0.84-0.92), and a hazard ratio of 0.90 (95% CI 0.85-0.95) for cardiovascular death. In the model with males, the hazard ratio for higher calf circumference was 0.92 (95% CI 0.88-0.96) for all-cause mortality and 0.94 (95% CI 0.89-0.99) for cardiovascular death. There was a statistically significant association between higher thigh circumference and lower risk of all-cause and cardiovascular mortality. Arm circumference was not similarly associated with mortality in the multivariate model. CONCLUSION Calf and thigh circumference may provide important prognostic information regarding cardiovascular and all-cause mortality. Future prospective studies should examine the role of extremity circumference and cardiovascular events.
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Affiliation(s)
- Adrian P Abreo
- Division of Nephrology, Louisiana State University Health Sciences Center, Shreveport, Shreveport, Louisiana, USA.
| | - Steven R Bailey
- Department of Internal Medicine, Malcolm Feist Chair of Interventional Cardiology, LSU Health Sciences Center, Shreveport, Shreveport, Louisiana, USA
| | - Kenneth Abreo
- Division of Nephrology, Louisiana State University Health Sciences Center, Shreveport, Shreveport, Louisiana, USA
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18
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Bailey SR. CCI 2021 CIT special issue. Catheter Cardiovasc Interv 2021; 97 Suppl 2:963. [PMID: 33871164 DOI: 10.1002/ccd.29713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Steven R Bailey
- LSU Health Shreveport, Shreveport, Louisiana, LA 71103., USA
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19
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Bailey SR. CCI 2020 CIT special issue. Catheter Cardiovasc Interv 2021; 95 Suppl 1:531. [PMID: 32144898 DOI: 10.1002/ccd.28809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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20
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Rahnama S, Spence R, Vathsangam N, Baskerville CL, Bailey SR, de Laat MA, Anderson ST, Pollitt CC, Sillence MN. Effects of insulin on IGF-1 receptors in equine lamellar tissue in vitro. Domest Anim Endocrinol 2021; 74:106530. [PMID: 32818904 DOI: 10.1016/j.domaniend.2020.106530] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 07/23/2020] [Accepted: 07/23/2020] [Indexed: 11/21/2022]
Abstract
Although it is understood that equine endocrinopathic laminitis can be triggered by high concentrations of insulin, it is unclear whether this represents a direct action on lamellar tissue via insulin receptors (InsR), an interaction with IGF-1 receptors (IGF-1R), or some other, indirect action. This uncertainty is because of the reported scarcity of InsR in lamellar tissue and the low affinity of insulin for equine IGF-1R. In the present study, the effects of insulin and IGF-1 (as a positive control) were examined using lamellar explants isolated from the hooves of healthy horses and incubated in cell culture medium for between 2 min and 48 h. In this system, a low physiological concentration of IGF-1 (10 nM; 1.31 ng/mL) caused a marked increase in the appearance of phosphorylated IGF-1R after 5 min (P < 0.05), and this effect was blocked by a human anti-IGF-1R monoclonal antibody (mAb). However, a high concentration of insulin (10 nM; 1,430 μIU/mL) appeared to cause dephosphorylation of the IGF-1R after 5 min (P < 0.01), 15 min, and 30 min (P < 0.001). Using 3H-thymidine as a marker, it was also demonstrated that insulin and IGF-1-stimulated cell proliferation in lamellar explants over the same concentration range as each other (1-100 nM), implying that each peptide acts via its own receptor (P < 0.001). Conversely, the effect of both peptides could be blocked using a selective anti-IGF-1R mAb (P < 0.001), implying that insulin acts via IGF1-R (either directly or indirectly). Notwithstanding this conundrum, the results demonstrate that insulin acts directly on lamellar tissue and suggest that a therapeutic anti-IGF-1R mAb could be useful in treating or preventing endocrinopathic laminitis.
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Affiliation(s)
- S Rahnama
- School of Biology and Environmental Science, Queensland University of Technology, Brisbane, Queensland, Australia
| | - R Spence
- School of Biology and Environmental Science, Queensland University of Technology, Brisbane, Queensland, Australia
| | - N Vathsangam
- Department of Veterinary Biosciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - C L Baskerville
- Department of Veterinary Biosciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - S R Bailey
- Department of Veterinary Biosciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - M A de Laat
- School of Biology and Environmental Science, Queensland University of Technology, Brisbane, Queensland, Australia
| | - S T Anderson
- School of Biomedical Sciences, The University of Queensland, St Lucia, Queensland, Australia
| | - C C Pollitt
- School of Veterinary Science, The University of Queensland, Gatton, Australia
| | - M N Sillence
- School of Biology and Environmental Science, Queensland University of Technology, Brisbane, Queensland, Australia.
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21
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Bamford NJ, Harris PA, Bailey SR. Circannual variation in plasma adrenocorticotropic hormone concentrations and dexamethasone suppression test results in Standardbred horses, Andalusian horses and mixed-breed ponies. Aust Vet J 2020; 98:616-621. [PMID: 33001453 DOI: 10.1111/avj.13022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 07/18/2020] [Accepted: 09/04/2020] [Indexed: 01/23/2023]
Abstract
OBJECTIVE To compare circannual plasma concentrations of adrenocorticotropic hormone (ACTH) and seasonal dexamethasone suppression test (DST) results between three different equine breed groups. METHODS Six Standardbred horses, six Andalusian horses and six mixed-breed ponies were followed over a 1-year period, during which time groups were managed identically. Blood samples were collected monthly (around the autumn equinox) or in every second month (other times of the year) for the determination of plasma ACTH concentrations using a chemiluminescent immunoassay. Overnight DSTs were performed quarterly, with suppression of plasma cortisol to below 27 nmol/L at 19 h considered a normal result. RESULTS Seasonal variation in plasma ACTH concentrations was present among all breed groups with, as expected, higher levels detected around the autumn equinox, from February to April (P < 0.001). Plasma ACTH concentrations were different between breed groups in March, with higher levels in Andalusians compared with Standardbreds (P = 0.048) and in ponies compared with Standardbreds (P = 0.010). Suppression of cortisol during the DST was normal for all animals in winter, spring and summer, but five Andalusians and three ponies returned abnormally high results in autumn, compared with zero Standardbreds. CONCLUSION Higher plasma ACTH concentrations and more false-positive DST results were obtained during autumn in ponies and Andalusian horses when compared with Standardbred horses. Potential differences between breeds should be considered when interpreting test results for horses and ponies that are evaluated for pituitary pars intermedia dysfunction. Further work is recommended to establish population-based reference intervals and clinical cut-off values for ACTH in different equine breeds.
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Affiliation(s)
- N J Bamford
- Melbourne Veterinary School, The University of Melbourne, Parkville, Victoria, Australia
| | - P A Harris
- Equine Studies Group, WALTHAM Petcare Science Institute, Melton Mowbray, Leicestershire, UK
| | - S R Bailey
- Melbourne Veterinary School, The University of Melbourne, Parkville, Victoria, Australia
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22
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Anuwatworn A, Bailey SR. Predicting who benefits from mitral valve percutaneous repair: It's not just the valve. Catheter Cardiovasc Interv 2020; 96:698. [PMID: 32935948 DOI: 10.1002/ccd.29212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 08/11/2020] [Indexed: 11/07/2022]
Affiliation(s)
- Amornpol Anuwatworn
- Division of Cardiology, Department of Internal Medicine, LSU Health Shreveport, School of Medicine, Louisiana
| | - Steven R Bailey
- Division of Cardiology, Department of Internal Medicine, LSU Health Shreveport, School of Medicine, Louisiana
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23
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Kadavath S, Mohan J, Ashraf S, Kassier A, Hawwass D, Madan N, Salehi N, Bernardo M, Mawri S, Rehman KA, Ya'qoub L, Strobel A, Dixon SR, Siraj A, Messenger J, Spears JR, Lopez-Candales A, Madder R, Bailey SR, Alaswad K, Kim MC, Safian RD, Alraies MC. Cardiac Catheterization Laboratory Volume Changes During COVID-19-Findings from a Cardiovascular Fellows Consortium. Am J Cardiol 2020; 130:168-169. [PMID: 32665133 PMCID: PMC7289082 DOI: 10.1016/j.amjcard.2020.06.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 05/25/2020] [Accepted: 06/03/2020] [Indexed: 01/16/2023]
Affiliation(s)
- Sabeeda Kadavath
- Division of Cardiovascular Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Jay Mohan
- Department of Cardiovascular Medicine, Beaumont Hospital Royal Oak, Royal Oak, Michigan
| | - Said Ashraf
- Division of Cardiology, Wayne State University, Detroit Medical Center, Detroit, Michigan
| | - Adnan Kassier
- Spectrum Health, Michigan State University, Frederik Meijer Heart & Vascular Institute, Grand Rapids, Michigan
| | - Dalia Hawwass
- Department of Cardiology, Lenox Hill Hospital, Northwell Health Medical Centers, New York, New York
| | - Nidhi Madan
- Department of Cardiology, Rush University Medical Center, Chicago, Illinois
| | - Negar Salehi
- Division of Cardiovascular Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Marie Bernardo
- Cardiology Division, Beaumont Hospital Dearborn, Dearborn, Michigan
| | - Sagger Mawri
- Heart and Vascular Institute, Henry Ford Hospital, Detroit, Michigan
| | | | - Lina Ya'qoub
- Department of Cardiology, Ochsner-Louisiana State University, Shreveport, Louisiana
| | - Aaron Strobel
- Cardiology Division, University of Colorado, Aurora, Colorado
| | - Simon R Dixon
- Department of Cardiovascular Medicine, Beaumont Hospital Royal Oak, Royal Oak, Michigan
| | - Aisha Siraj
- Cardiovascular Division, Case Western Reserve University/MetroHealth Medical Center Campus, Cleveland, Ohio
| | - John Messenger
- Cardiology Division, University of Colorado, Aurora, Colorado
| | - James R Spears
- Cardiology Division, Beaumont Hospital Dearborn, Dearborn, Michigan
| | - Angel Lopez-Candales
- Division of Cardiovascular Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Ryan Madder
- Spectrum Health, Michigan State University, Frederik Meijer Heart & Vascular Institute, Grand Rapids, Michigan
| | - Steven R Bailey
- Department of Cardiology, Ochsner-Louisiana State University, Shreveport, Louisiana
| | - Khaldoon Alaswad
- Heart and Vascular Institute, Henry Ford Hospital, Detroit, Michigan
| | - Michael C Kim
- Department of Cardiology, Lenox Hill Hospital, Northwell Health Medical Centers, New York, New York
| | - Robert D Safian
- Department of Cardiovascular Medicine, Beaumont Hospital Royal Oak, Royal Oak, Michigan
| | - M Chadi Alraies
- Division of Cardiology, Wayne State University, Detroit Medical Center, Detroit, Michigan
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24
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Bailey SR. CCI 2019 CIT special issue. Catheter Cardiovasc Interv 2020; 93:761. [PMID: 30888735 DOI: 10.1002/ccd.28195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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25
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Rodriguez R, Hasoon M, Eng M, Michalek J, Liu Q, Hernandez B, Bansal S, Bailey SR, Prasad A. Incidence and Predictors of Acute Kidney Injury Following Transcatheter Aortic Valve Replacement: Role of Changing Definitions of Renal Function and Injury. J Invasive Cardiol 2020; 32:138-141. [PMID: 31941833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
BACKGROUND Acute kidney injury (AKI) following transcatheter aortic valve replacement (TAVR) is a known complication. The prospective validation of various AKI definitions and estimated baseline renal function equations in the context of TAVR remains an ongoing area of research. This study examined the Valve Academic Research Consortium (VARC) 1 and 2 criteria for AKI, and impact of three estimated glomerular filtration rate (eGFR) equations (CKD-EPI, MDRD, and Cockcroft-Gault) on AKI incidence in TAVR patients. METHODS Retrospective review of 120 consecutive TAVR procedures over a 4-year period was performed. AKI, including stage, was defined using the VARC 1 and VARC 2 criteria. Univariate and multivariate analyses were performed for association between AKI and known patient, hemodynamic, and procedural variables. Further logistic regression, stepwise logistic regression, and association plots were performed for the three different eGFR calculations. RESULTS AKI occurred in 22% of VARC 1 patients and 23% of VARC 2 patients. On multivariate analysis, baseline eGFR was predictive of stage 1 AKI by CKD-EPI classification (VARC 1: odds ratio [OR], 0.93; 95% confidence interval [CI], 0.88-0.99; P=.02; VARC 2: OR, 0.93; 95% CI, 0.87-0.99; P=.03) and MDRD (OR, 0.93; 95% CI, 0.88-0.99; P=.03). Non-transfemoral approach was predictive of stage 1 AKI by VARC 2 (OR, 33.33; 95% CI, 1.6-696.41; P=.02). CONCLUSIONS The risk factor associations for AKI post TAVR vary by definitions used. Decreased GFR at baseline by both MDRD and CKD-EPI and non-transfemoral approach were associated with an increased risk of AKI post TAVR.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Anand Prasad
- Interventional Cardiology and Vascular Medicine, Department of Medicine, Division of Cardiology, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, MC 7872, San Antonio, TX 78229-3900 USA.
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De Gregorio J, Bailey SR. ISCHEMIA from a clinicians perspective: Treating the patient or the investigator? Catheter Cardiovasc Interv 2020; 95:711-712. [PMID: 32096891 DOI: 10.1002/ccd.28786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 02/11/2020] [Indexed: 11/09/2022]
Affiliation(s)
- Joseph De Gregorio
- Department of Cardiology, Hackensack Meridian School of Medicine at Seton Hall University, Nutley, New Jersey, Englewood Health, Englewood NJ
| | - Steven R Bailey
- Department of Internal Medicine, Malcolm Feist Chair of Interventional Cardiology, LSU Shreveport School of Medicine, Shreveport, Louisiana
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Oglesby M, Escobedo D, Escobar GP, Fatemifar F, Sako EY, Bailey SR, Han HC, Feldman MD. Trabecular cutting: a novel surgical therapy to increase diastolic compliance. J Appl Physiol (1985) 2019; 127:457-463. [PMID: 31219774 DOI: 10.1152/japplphysiol.00087.2019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Heart failure with preserved ejection fraction (HFpEF) is a common cause of hospital admission in patients over 65 yr old and has high mortality. HFpEF is characterized by left ventricular (LV) hypertrophy that reduces compliance. Current HFpEF therapies control symptoms, but no existing medications or therapies can sustainably increase LV compliance. LV trabeculae develop hypertrophy and fibrosis that contribute to reduced LV compliance. This study expands our previous results in ex vivo human hearts to show that severing LV trabeculae increases diastolic compliance in an ex vivo working rabbit heart model. Trabecular cutting was performed in ex vivo rabbit hearts set up in a working heart perfusion system perfused with oxygenated Krebs-Henseleit buffer. A hook was inserted in the LV to cut trabeculae. End-systolic and end-diastolic pressure-volume relationships during transient preload reduction were recorded using an admittance catheter in the following three groups: control (no cutting; n = 9), mild cutting (15 cuts; n = 5), and aggressive cutting (30 cuts; n = 5). In a second experiment, each heart served as its own control. Hemodynamic data were recorded before and after trabecular cutting (n = 10) or sham cutting (n = 5) within the same heart. In the first experiments, trabecular cutting did not affect systolic function (P > 0.05) but significantly increased overall diastolic compliance (P = 0.009). Greater compliance was seen as trabecular cutting increased (P = 0.002, r2 = 0.435). In the second experiment, significant increases in systolic function (P = 0.048) and diastolic compliance (P = 0.002) were seen after trabecular cutting compared with baseline. In conclusion, trabecular cutting significantly increases diastolic compliance without reducing systolic function.NEW & NOTEWORTHY We postulate that, in mammalian hearts, free-running trabeculae carneae exist to provide tensile support to the left ventricle and minimize diastolic wall stress. Because of hypertrophy and fibrosis of trabeculae in patients with left ventricular hypertrophy, this supportive role can become pathologic, worsening diastolic compliance. We demonstrate a novel operation involving cutting trabeculae as a method to acutely increase diastolic compliance in patients presenting with heart failure and diastolic dysfunction to improve their left ventricle compliance.
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Affiliation(s)
- Meagan Oglesby
- Division of Cardiology, Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Danny Escobedo
- Division of Cardiology, Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Gladys Patricia Escobar
- Division of Cardiology, Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Fatemeh Fatemifar
- Department of Mechanical Engineering, University of Texas at San Antonio, San Antonio, Texas
| | - Edward Y Sako
- Division of Cardiology, Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Steven R Bailey
- Division of Cardiology, Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Hai-Chao Han
- Department of Mechanical Engineering, University of Texas at San Antonio, San Antonio, Texas
| | - Marc D Feldman
- Division of Cardiology, Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, Texas
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Bailey SR. Hemodynamics: The heart of catheterization and cardiovascular interventions. Catheter Cardiovasc Interv 2019; 94:294. [DOI: 10.1002/ccd.28412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 07/11/2019] [Indexed: 11/10/2022]
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Bailey SR. Catheterization and Cardiovascular Interventions CIT Special Issue: Editor In Chief Editorial. Catheter Cardiovasc Interv 2019. [PMID: 29542283 DOI: 10.1002/ccd.27556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Doherty JU, Kort S, Mehran R, Schoenhagen P, Soman P, Dehmer GJ, Doherty JU, Schoenhagen P, Bashore TM, Bhave NM, Calnon DA, Carabello B, Conte J, Dickfeld T, Edmundowicz D, Ferrari VA, Hall ME, Ghoshhajra B, Mehrotra P, Naqvi TZ, Reece TB, Starling RC, Szerlip M, Tzou WS, Wong JB, Doherty JU, Dehmer GJ, Bailey SR, Bhave NM, Brown AS, Daugherty SL, Dean LS, Desai MY, Duvernoy CS, Gillam LD, Hendel RC, Kramer CM, Lindsay BD, Manning WJ, Patel MR, Sachdeva R, Wann LS, Winchester DE, Wolk MJ. ACC/AATS/AHA/ASE/ASNC/HRS/SCAI/SCCT/SCMR/STS 2019 Appropriate Use Criteria for Multimodality Imaging in the Assessment of Cardiac Structure and Function in Nonvalvular Heart Disease: A Report of the American College of Cardiology Appropriate Use Criteria Task Force, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuclear Cardiology, Heart Rhythm Society, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, Society for Cardiovascular Magnetic Resonance, and the Society of Thoracic Surgeons. J Am Soc Echocardiogr 2019; 32:553-579. [PMID: 30744922 DOI: 10.1016/j.echo.2019.01.008] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
This document is the second of 2 companion appropriate use criteria (AUC) documents developed by the American College of Cardiology, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuclear Cardiology, Heart Rhythm Society, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, Society for Cardiovascular Magnetic Resonance, and Society of Thoracic Surgeons. The first document1 addresses the evaluation and use of multimodality imaging in the diagnosis and management of valvular heart disease, whereas this document addresses this topic with regard to structural (nonvalvular) heart disease. While dealing with different subjects, the 2 documents do share a common structure and feature some clinical overlap. The goal of the companion AUC documents is to provide a comprehensive resource for multimodality imaging in the context of structural and valvular heart disease, encompassing multiple imaging modalities. Using standardized methodology, the clinical scenarios (indications) were developed by a diverse writing group to represent patient presentations encountered in everyday practice and included common applications and anticipated uses. Where appropriate, the scenarios were developed on the basis of the most current American College of Cardiology/American Heart Association Clinical Practice Guidelines. A separate, independent rating panel scored the 102 clinical scenarios in this document on a scale of 1 to 9. Scores of 7 to 9 indicate that a modality is considered appropriate for the clinical scenario presented. Midrange scores of 4 to 6 indicate that a modality may be appropriate for the clinical scenario, and scores of 1 to 3 indicate that a modality is considered rarely appropriate for the clinical scenario. The primary objective of the AUC is to provide a framework for the assessment of these scenarios by practices that will improve and standardize physician decision making. AUC publications reflect an ongoing effort by the American College of Cardiology to critically and systematically create, review, and categorize clinical situations in which diagnostic tests and procedures are utilized by physicians caring for patients with cardiovascular diseases. The process is based on the current understanding of the technical capabilities of the imaging modalities examined.
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Bailey SR, Beckman JA, Dao TD, Misra S, Sobieszczyk PS, White CJ, Wann LS, Bailey SR, Dao T, Aronow HD, Fazel R, Gornik HL, Gray BH, Halperin JL, Hirsch AT, Jaff MR, Krishnamurthy V, Parikh SA, Reed AB, Shamoun F, Shugart RE, Yucel EK. ACC/AHA/SCAI/SIR/SVM 2018 Appropriate Use Criteria for Peripheral Artery Intervention: A Report of the American College of Cardiology Appropriate Use Criteria Task Force, American Heart Association, Society for Cardiovascular Angiography and Interventions, Society of Interventional Radiology, and Society for Vascular Medicine. J Am Coll Cardiol 2019; 73:214-237. [PMID: 30573393 DOI: 10.1016/j.jacc.2018.10.002] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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32
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Gupta A, Bailey SR. Correction to: Update on Devices for Diastolic Dysfunction: Options for a No Option Condition? Curr Cardiol Rep 2018; 20:102. [PMID: 30203195 DOI: 10.1007/s11886-018-1059-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
In the original publication, the author name "Amit Gupta" was incorrectly spelled as "Ahmit Gupta". The original article has been corrected.
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Affiliation(s)
- Amit Gupta
- Janey and Dolph Briscoe Division of Cardiology, University of Texas Health Sciences Center at San Antonio, Mail Code 7872, 7703 Floyd Curl Drive, San Antonio, TX, 78229, USA
| | - Steven R Bailey
- Janey and Dolph Briscoe Division of Cardiology, University of Texas Health Sciences Center at San Antonio, Mail Code 7872, 7703 Floyd Curl Drive, San Antonio, TX, 78229, USA.
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Secombe CJ, Bailey SR, de Laat MA, Hughes KJ, Stewart AJ, Sonis JM, Tan RHH. Equine pituitary pars intermedia dysfunction: current understanding and recommendations from the Australian and New Zealand Equine Endocrine Group. Aust Vet J 2018; 96:233-242. [DOI: 10.1111/avj.12716] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 03/29/2018] [Accepted: 05/02/2018] [Indexed: 12/25/2022]
Affiliation(s)
- CJ Secombe
- College of Veterinary Medicine, School of Veterinary and Life Sciences; Murdoch University; Murdoch Western Australia Australia
| | - SR Bailey
- Melbourne Veterinary School, Faculty of Veterinary and Agricultural Sciences; The University of Melbourne; Werribee VIC Australia
| | - MA de Laat
- Science and Engineering Faculty; Queensland University of Technology; Brisbane QLD Australia
| | - KJ Hughes
- School of Animal and Veterinary Sciences; Charles Sturt University; Wagga Wagga NSW Australia
| | - AJ Stewart
- Equine Specialist Hospital, School of Veterinary Science; The University of Queensland; Gatton QLD Australia
| | - JM Sonis
- Veterinary Associates Equine and Farm, Karaka; Auckland New Zealand
| | - RHH Tan
- Samford Valley Veterinary Hospital; Samford, QLD Australia
- Discipline of Veterinary Clinical Sciences, College of Public Health, Medical and Veterinary Sciences; James Cook University; Townsville QLD Australia
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Bailey SR. Catheterization and cardiovascular interventions CIT special issue: Editor in chief editorial. Catheter Cardiovasc Interv 2018; 89:509. [PMID: 28318136 DOI: 10.1002/ccd.27006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Steven R Bailey
- University of Texas Health Science Center, San Antonio, Texas
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35
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Cigarroa JG, Bailey SR. Does Cardiac Catheterization Accelerate Decline in Cognitive Function or Serve as an Inflection Point for Evaluation? J Am Heart Assoc 2018. [PMID: 29525781 PMCID: PMC5907577 DOI: 10.1161/jaha.118.008751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- Joaquin G Cigarroa
- Janey Briscoe Center for Cardiovascular Research, Janey and Dolph Briscoe Division of Cardiology, UT Health Long School of Medicine, San Antonio, TX
| | - Steven R Bailey
- Janey Briscoe Center for Cardiovascular Research, Janey and Dolph Briscoe Division of Cardiology, UT Health Long School of Medicine, San Antonio, TX
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Bonow RO, Brown AS, Gillam LD, Kapadia SR, Kavinsky CJ, Lindman BR, Mack MJ, Thourani VH, Dehmer GJ, Bonow RO, Lindman BR, Beaver TM, Bradley SM, Carabello BA, Desai MY, George I, Green P, Holmes DR, Johnston D, Leipsic J, Mick SL, Passeri JJ, Piana RN, Reichek N, Ruiz CE, Taub CC, Thomas JD, Turi ZG, Doherty JU, Dehmer GJ, Bailey SR, Bhave NM, Brown AS, Daugherty SL, Dean LS, Desai MY, Duvernoy CS, Gillam LD, Hendel RC, Kramer CM, Lindsay BD, Manning WJ, Mehrotra P, Patel MR, Sachdeva R, Wann LS, Winchester DE, Allen JM. ACC/AATS/AHA/ASE/EACTS/HVS/SCA/SCAI/SCCT/SCMR/STS 2017 Appropriate Use Criteria for the Treatment of Patients With Severe Aortic Stenosis: A Report of the American College of Cardiology Appropriate Use Criteria Task Force, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, European Association for Cardio-Thoracic Surgery, Heart Valve Society, Society of Cardiovascular Anesthesiologists, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, Society for Cardiovascular Magnetic Resonance, and Society of Thoracic Surgeons. J Am Soc Echocardiogr 2017; 31:117-147. [PMID: 29254695 DOI: 10.1016/j.echo.2017.10.020] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The American College of Cardiology collaborated with the American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, European Association for Cardio-Thoracic Surgery, Heart Valve Society, Society of Cardiovascular Anesthesiologists, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, Society for Cardiovascular Magnetic Resonance, and Society of Thoracic Surgeons to develop and evaluate Appropriate Use Criteria (AUC) for the treatment of patients with severe aortic stenosis (AS). This is the first AUC to address the topic of AS and its treatment options, including surgical aortic valve replacement (SAVR) and transcatheter aortic valve replacement (TAVR). A number of common patient scenarios experienced in daily practice were developed along with assumptions and definitions for those scenarios, which were all created using guidelines, clinical trial data, and expert opinion in the field of AS. The 2014 AHA/ACC guideline for the management of patients with valvular heart disease: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines(1) and its 2017 focused update paper (2) were used as the primary guiding references in developing these indications. The writing group identified 95 clinical scenarios based on patient symptoms and clinical presentation, and up to 6 potential treatment options for those patients. A separate, independent rating panel was asked to score each indication from 1 to 9, with 1-3 categorized as "Rarely Appropriate," 4-6 as "May Be Appropriate," and 7-9 as "Appropriate." After considering factors such as symptom status, left ventricular (LV) function, surgical risk, and the presence of concomitant coronary or other valve disease, the rating panel determined that either SAVR or TAVR is Appropriate in most patients with symptomatic AS at intermediate or high surgical risk; however, situations commonly arise in clinical practice in which the indications for SAVR or TAVR are less clear, including situations in which 1 form of valve replacement would appear reasonable when the other is less so, as do other circumstances in which neither intervention is the suitable treatment option. The purpose of this AUC is to provide guidance to clinicians in the care of patients with severe AS by identifying the reasonable treatment and intervention options available based on the myriad clinical scenarios with which patients present. This AUC document also serves as an educational and quality improvement tool to identify patterns of care and reduce the number of rarely appropriate interventions in clinical practice.
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Potter SJ, Bamford NJ, Harris PA, Bailey SR. Incidence of laminitis and survey of dietary and management practices in pleasure horses and ponies in south-eastern Australia. Aust Vet J 2017; 95:370-374. [PMID: 28948628 DOI: 10.1111/avj.12635] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Revised: 09/18/2015] [Accepted: 12/16/2015] [Indexed: 12/28/2022]
Abstract
OBJECTIVES The aims of this study were to (1) report the incidence of laminitis among a population of horses and ponies attending Pony Clubs in Victoria, Australia, and (2) describe the dietary and management practices of the sample population. METHODS Researchers visited 10 Pony Clubs over a 10-month period. Horse and pony owners completed a questionnaire to provide information on management relating to diet and exercise. Owners were also asked to report their animal's history of laminitis, if any. RESULTS From a survey population of 233 horses and ponies, 15.0% of animals (35 individuals) were reported to have suffered from at least one episode of laminitis. Of the animals that had suffered from laminitis, more than half had experienced multiple episodes. The majority of previously laminitic horses and ponies (71.4%) had not experienced an episode of laminitis within the past 12 months; however, 14.2% had experienced an incident within the past month. The proportion of ponies affected by laminitis (31/142; 21.8%) was significantly higher (P < 0.001) than the proportion of horses affected by laminitis (4/91; 4.4%). The incidence of laminitis within the pony group sampled was 6.5 cases per 100 pony years, while the incidence in horses was 0.55 cases per 100 horse years. CONCLUSION This study provided information on the incidence of laminitis in the general population of pleasure horses and ponies in south-eastern Australia. It also provided an overview of dietary and management practices. Given the high incidence of animals that had been affected by laminitis (and the associated welfare implications), this study highlights the importance of owner education regarding appropriate feeding and management strategies to reduce the risk of laminitis.
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Affiliation(s)
- S J Potter
- Melbourne Veterinary School, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, Victoria, Australia
| | - N J Bamford
- Melbourne Veterinary School, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, Victoria, Australia
| | - P A Harris
- Equine Studies Group, Waltham Centre for Pet Nutrition, Melton Mowbray, Leicestershire, UK
| | - S R Bailey
- Melbourne Veterinary School, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, Victoria, Australia
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38
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Patel S, Bailey SR. Revascularization Strategies in STEMI with Multivessel Disease: Deciding on Culprit Versus Complete-Ad Hoc or Staged. Curr Cardiol Rep 2017; 19:93. [PMID: 28840487 DOI: 10.1007/s11886-017-0906-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
PURPOSE OF REVIEW This review will address the clinical conundrum of those who may derive clinical benefit from complete revascularization of coronary stenosis that are discovered at the time of ST segment elevation myocardial infarction (STEMI). The decision to revascularize additional vessels with angiographic stenosis beyond the culprit lesion remains controversial, as does the timing of revascularization. RECENT FINDINGS STEMI patients represent a high-risk patient population that have up to a 50% prevalence of multivessel disease. Multivessel disease represents an important risk factor for short- and long-term morbidity and mortality. Potential benefits of multivessel PCI for STEMI might include reduced short- and long-term mortality, revascularization, reduced resource utilization, and costs. Which population will benefit and what the optimal timing of revascularization in the peri-MI period remains controversial. Consideration of multivessel revascularization in the setting of STEMI may occur in up to one half of STEMI patients. Evaluation of the comorbidities including diabetes, extent of myocardium at risk, lesion complexity, ventricular function, and risk factors for complications such as contrast induced nephropathy which is important in determining the appropriate care pathway.
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Affiliation(s)
- Shalin Patel
- From the Janey Briscoe Center of Excellence for Cardiovascular Research, University of Texas Health Science Center at San Antonio, San Antonio, TX, 78232, USA
| | - Steven R Bailey
- From the Janey Briscoe Center of Excellence for Cardiovascular Research, University of Texas Health Science Center at San Antonio, San Antonio, TX, 78232, USA.
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Heininger U, Holm K, Caplanusi I, Bailey S, Asfijah Abdoellah S, Arellano F, Arlett P, Ayoub A, Sjafri Bachtiar N, Bahri P, Bailey SR, Benkirane R, Benson J, Bergman U, Blum M, Bonhoeffer J, Caplanusi I, Ceuppens M, Chandler R, Glen Chua P, Dana A, Darko M, DeStefano F, Dodoo A, Duo D, Gregory W, Gunale B, Hartigan-Go K, Hartmann K, Heininger U, Jadhav S, Jouquelet-Royer C, Keller-Stanislawski B, Kilpi T, Kurz X, Leviano F, Lindquist M, Liu D, Mandali P, Mangrule S, Maroko R, Martin D, Matos dos Santos E, Maure C, Menezes R, Nishioka S, Oberle D, Olsson S, Patel M, Ramkishan A, Rauscher M, Santos P, Seifert H, Shimabukuro T, Sillan F, Sjölin-Forsberg G, Srivastava S, Straus W, Tebaa A, Winiecki S, Vellozzi C, Wivel A, Xia W, Hassan Abu Youssef M, Zuber P. Guide to active vaccine safety surveillance: Report of CIOMS working group on vaccine safety – executive summary. Vaccine 2017. [DOI: 10.1016/j.vaccine.2017.06.033] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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40
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Levine GN, Bates ER, Blankenship JC, Bailey SR, Bittl JA, Cercek B, Chambers CE, Ellis SG, Guyton RA, Hollenberg SM, Khot UN, Lange RA, Mauri L, Mehran R, Moussa ID, Mukherjee D, Ting HH, O'Gara PT, Kushner FG, Ascheim DD, Brindis RG, Casey DE, Chung MK, de Lemos JA, Diercks DB, Fang JC, Franklin BA, Granger CB, Krumholz HM, Linderbaum JA, Morrow DA, Kristin Newby L, Ornato JP, Ou N, Radford MJ, Tamis-Holland JE, Tommaso CL, Tracy CM, Joseph Woo Y, Zhao DX, Halperin JL, Levine GN, Anderson JL, Albert NM, Al-Khatib SM, Birtcher KK, Bozkurt B, Brindis RG, Cigarroa JE, Curtis LH, Fleisher LA, Gentile F, Gidding S, Hlatky MA, Ikonomidis J, Joglar J, Kovacs RJ, Magnus Ohman E, Pressler SJ, Sellke FW, Shen WK, Wijeysundera DN. 2015 ACC/AHA/SCAI focused update on primary percutaneous coronary intervention for patients with ST-elevation myocardial Infarction: An update of the 2011 ACCF/AHA/SCAI guideline for percutaneous coronary intervention and the 2013 ACCF/AHA guideline for the management of ST-elevation myocardial infarction: A report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Society for Cardiovascular Angiography and Interventions. Catheter Cardiovasc Interv 2017; 87:1001-19. [PMID: 26489034 DOI: 10.1002/ccd.26325] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
| | | | | | - Eric R Bates
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendixes 1 and 2 for detailed information.,ACC/AHA Representative
| | - James C Blankenship
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendixes 1 and 2 for detailed information.,SCAI Representative
| | - Steven R Bailey
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendixes 1 and 2 for detailed information.,SCAI Representative
| | | | | | | | - Stephen G Ellis
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendixes 1 and 2 for detailed information.,ACC/AHA Representative
| | | | - Steven M Hollenberg
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendixes 1 and 2 for detailed information.,ACC/AHA Representative
| | - Umesh N Khot
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendixes 1 and 2 for detailed information.,ACC/AHA Representative
| | | | - Laura Mauri
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendixes 1 and 2 for detailed information.,ACC/AHA Representative
| | - Roxana Mehran
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendixes 1 and 2 for detailed information.,SCAI Representative
| | | | | | | | | | | | | | - Deborah D Ascheim
- Dr. Deborah D. Ascheim accepted a position at Capricor Therapeutics in August 2015, after the writing effort was completed. In accordance with ACC/AHA policy, she recused herself from the final voting process
| | | | | | - Mina K Chung
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendixes 1 and 2 for detailed information.,ACC/AHA Representative
| | - James A de Lemos
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendixes 1 and 2 for detailed information.,ACC/AHA Representative
| | | | - James C Fang
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendixes 1 and 2 for detailed information.,ACC/AHA Representative
| | | | - Christopher B Granger
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendixes 1 and 2 for detailed information.,ACC/AHA Representative
| | - Harlan M Krumholz
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendixes 1 and 2 for detailed information.,ACC/AHA Representative
| | | | - David A Morrow
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendixes 1 and 2 for detailed information.,ACC/AHA Representative
| | - L Kristin Newby
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendixes 1 and 2 for detailed information.,ACC/AHA Representative
| | - Joseph P Ornato
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendixes 1 and 2 for detailed information.,ACC/AHA Representative
| | | | | | | | | | | | | | - David X Zhao
- Writing committee members are required to recuse themselves from voting on sections to which their specific relationships with industry may apply; see Appendixes 1 and 2 for detailed information.,ACC/AHA Representative
| | | | | | | | | | - Nancy M Albert
- Former Task Force member; current member during the writing effort
| | | | | | | | | | | | | | | | | | | | | | | | | | - Richard J Kovacs
- Former Task Force member; current member during the writing effort
| | - E Magnus Ohman
- Former Task Force member; current member during the writing effort
| | | | - Frank W Sellke
- Former Task Force member; current member during the writing effort
| | - Win-Kuang Shen
- Former Task Force member; current member during the writing effort
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41
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Prasad A, Scholler I, Levin D, Banda G, Mullin CM, Bailey SR. Validation of a Novel Monitoring System to Measure Contrast Volume Use During Invasive Angiography. J Invasive Cardiol 2017; 29:105-108. [PMID: 28208118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
BACKGROUND Multiple studies have demonstrated the relationship between contrast volume (CV) and the risk of acute kidney injury (AKI). Quantification of total CV is often estimated and therefore may be inaccurate. We describe validation of a novel contrast monitoring system (CMS) (Osprey Medical), which is designed to detect and display injection by injection and total CV use on a monitor system in real time. METHODS Thirty patients undergoing a coronary or peripheral angiogram were included. Ten patients underwent procedures using the CMS only and 20 underwent procedures using both the CMS and the AVERT Plus contrast modulation system (Osprey Medical). Total CV used during these cases was measured using direct measurement via a graduated cylinder (CVDM). This was compared with the CMS-reported CV and with the operator's assessment of CV (CVPE) used during the case. Intraclass correlation coefficient (ICC) and Pearson correlation coefficient (PCC) were used for analysis and the results displayed using Bland-Altman plots. RESULTS Twenty-one cases were diagnostic and 9 were interventional. The ICC/PCC (confidence interval [CI]) for the comparison of CVDM to CMS and CVPE were 0.96/0.97 [CI, 0.94-0.99] and 0.89/0.90 [CI, 0.80-0.95], respectively, with a P=.01 for difference between the correlations. The average absolute difference between the CVDM and CMS readout and the CVPE was 12.0 ± 13.7 mL and 22.8 ± 15.3 mL, respectively; P=.01. CONCLUSIONS The CMS was accurate when compared with the direct measurement of CV used. This accuracy was superior to physician estimation of CV.
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Affiliation(s)
- Anand Prasad
- Department of Medicine, Division of Cardiology, University of Texas Health Science Center, 7703 Floyd Curl Drive, San Antonio, TX 78229-3990 USA.
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42
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Angier H, O'Malley JP, Marino M, McConnell KJ, Cottrell E, Jacob RL, Likumahuwa-Ackman S, Heintzman J, Huguet N, Bailey SR, DeVoe JE. Evaluating community health centers' adoption of a new global capitation payment (eCHANGE) study protocol. Contemp Clin Trials 2017; 52:35-38. [PMID: 27836506 PMCID: PMC5267970 DOI: 10.1016/j.cct.2016.11.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Revised: 10/31/2016] [Accepted: 11/07/2016] [Indexed: 11/29/2022]
Abstract
Primary care patient-centered medical homes (PCMHs) are an effective healthcare delivery model. Evidence regarding the most effective payment models for increased coordination efforts is sparse. This protocol paper describes the evaluation of an Alternative Payment Methodology (APM) implemented in a subset of Oregon community health centers (CHCs), using a prospective matched observational design. The APM is a primary care payment reform intervention that changed Oregon's Medicaid payment for several CHCs from fee-for-service reimbursement to a per-member-per-month capitated payment. We will implement a difference-in-difference analytic approach to evaluate pre-post APM changes between intervention and control groups, including: 1) clinic-level outcomes, 2) patient-level clinical outcomes, and 3) patient-level econometric outcomes. Findings from the project will be of national significance, as there is a need for evidence regarding how novel payment methods might enhance PCMH capabilities and support their capacity to produce better quality and outcomes. If this capitated payment method is proven effective, study findings will inform dissemination of similar APMs nationwide.
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Affiliation(s)
- H Angier
- Oregon Health & Science University, United States.
| | - J P O'Malley
- Oregon Health & Science University, United States
| | - M Marino
- Oregon Health & Science University, United States
| | | | - E Cottrell
- Oregon Health & Science University, United States; OCHIN, Inc., United States
| | | | | | - J Heintzman
- Oregon Health & Science University, United States
| | - N Huguet
- Oregon Health & Science University, United States
| | - S R Bailey
- Oregon Health & Science University, United States
| | - J E DeVoe
- Oregon Health & Science University, United States; OCHIN, Inc., United States
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43
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Bailey SR. Catheterization and Cardiovascular Interventions CIT special issue: Editor in chief editorial. Catheter Cardiovasc Interv 2016; 87 Suppl 1:551. [PMID: 26995165 DOI: 10.1002/ccd.26481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Steven R Bailey
- University of Texas Health Science Center, San Antonio, Texas
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44
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Potter SJ, Bamford NJ, Harris PA, Bailey SR. Prevalence of obesity and owners’ perceptions of body condition in pleasure horses and ponies in south-eastern Australia. Aust Vet J 2016; 94:427-432. [DOI: 10.1111/avj.12506] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Revised: 01/04/2016] [Accepted: 01/17/2016] [Indexed: 02/05/2023]
Affiliation(s)
- SJ Potter
- Faculty of Veterinary Science; The University of Melbourne; Princes Highway, Werribee 3030, Victoria Australia
| | - NJ Bamford
- Faculty of Veterinary Science; The University of Melbourne; Princes Highway, Werribee 3030, Victoria Australia
| | - PA Harris
- Equine Studies Group, WALTHAM Centre for Pet Nutrition; Melton Mowbray Leicestershire UK
| | - SR Bailey
- Faculty of Veterinary Science; The University of Melbourne; Princes Highway, Werribee 3030, Victoria Australia
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45
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Bamford NJ, Baskerville CL, Harris PA, Bailey SR. Postprandial glucose, insulin, and glucagon-like peptide-1 responses of different equine breeds adapted to meals containing micronized maize. J Anim Sci 2016; 93:3377-83. [PMID: 26440006 DOI: 10.2527/jas.2014-8736] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
The enteroinsular axis is a complex system that includes the release of incretin hormones from the gut to promote the absorption and utilization of glucose after a meal. The insulinogenic effect of incretin hormones such as glucagon-like peptide-1 (GLP-1) remains poorly characterized in the horse. The aim of this study was to compare postprandial glucose, insulin, and GLP-1 responses of different equine breeds adapted to twice-daily meals containing micronized maize. Four Standardbred horses, 4 mixed-breed ponies, and 4 Andalusian cross horses in moderate BCS (5.5 ± 0.2 out of 9) were fed meals at 0800 and 1600 h each day. The meals contained micronized maize (mixed with soaked soybean hulls and lucerne chaff), with the amount of maize gradually increased over 12 wk to reach a final quantity of 1.7 g/kg BW (1.1 g/kg BW starch) in each meal. Animals had ad libitum access to the same hay throughout. After 12 wk of acclimation, serial blood samples were collected from all animals over a 14-h period to measure concentrations of glucose, insulin, and GLP-1, with meals fed immediately after the 0 and 8 h samples. Glucose area under the curve (AUC) values were similar between breed groups (P = 0.41); however, ponies and Andalusian horses exhibited significantly higher insulin AUC values after both meals compared with Standardbred horses (both P < 0.005). Postprandial GLP-1 AUC values were also significantly higher in ponies and Andalusian horses compared with Standardbred horses (breed × time interaction; P < 0.001). Correlation analysis demonstrated a strong positive association between concentrations of insulin and GLP-1 over time (rs = 0.752; P < 0.001). The increased insulin concentrations in ponies and Andalusian horses may partly reflect lower insulin sensitivity but could also be attributed to increased GLP-1 release. Given that hyperinsulinemia is a recognized risk factor for the development of laminitis in domestic equids, this study provides evidence that the enteroinsular axis warrants further investigation.
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Abstract
The treatment of acute myocardial infarction has progressed from bedrest to mechanical, catheter-based reperfusion. The authors review the use of percutaneous coronary intervention (PCI) as a primary treatment for acute myocardial infarction and the use of adjunctive agents. The most recent American College of Cardiology/ American Heart Association (ACC/AHA) guidelines for the use of PCI in ST segment elevation myocardial infarction (MI) advocate the use of PCI as primary therapy at those centers in which the procedure can be performed within accepted standards. Because a majority of hospitals (80%) do not have the capability of performing primary PCI, most patients are treated with thrombolytic therapy. PCI should be considered in those patients treated with thrombolytic therapy who have persistent or recurrent ischemia and/or cardiogenic shock. For patients with non-ST elevation MI, the use of an invasive strategy (early angiography and PCI if needed) has recently shown to be beneficial. Although revascularization is the basis of the acute therapy of MI, additional pharmacologic therapy in the acute setting is now recognized as a key to favorable long-term outcome.
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Affiliation(s)
- Nilesh J. Goswami
- Department of Medicine/Division of Cardiology, University of Texas Health Science Center at San Antonio, San Antonio, TX
| | - Joe M. Moody
- Department of Medicine/Division of Cardiology, University of Texas Health Science Center at San Antonio, San Antonio, TX,
| | - Steven R. Bailey
- Department of Medicine/Division of Cardiology, University of Texas Health Science Center at San Antonio, San Antonio, TX
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47
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Prasad A, Sohn A, Morales J, Williams K, Bailey SR, Levin D, McCullough PA, Mehran R, Lopez-Cruz G, Harder J. Contemporary practice patterns related to the risk of acute kidney injury in the catheterization laboratory: Results from a survey of Society of Cardiovascular Angiography and Intervention (SCAI) cardiologists. Catheter Cardiovasc Interv 2016; 89:383-392. [DOI: 10.1002/ccd.26628] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Revised: 05/01/2016] [Accepted: 05/23/2016] [Indexed: 12/22/2022]
Affiliation(s)
- Anand Prasad
- Department of Medicine, Division of Cardiology; The University of Texas Health Science Center San Antonio; San Antonio Texas
| | - Aaron Sohn
- Department of Medicine, Division of Cardiology; The University of Texas Health Science Center San Antonio; San Antonio Texas
| | - Jonathan Morales
- Department of Medicine, Division of Cardiology; The University of Texas Health Science Center San Antonio; San Antonio Texas
| | - Ken Williams
- Department of Medicine, Division of Cardiology; The University of Texas Health Science Center San Antonio; San Antonio Texas
| | - Steven R. Bailey
- Department of Medicine, Division of Cardiology; The University of Texas Health Science Center San Antonio; San Antonio Texas
| | - Daniel Levin
- Department of Medicine, Division of Cardiology; The University of Texas Health Science Center San Antonio; San Antonio Texas
| | | | - Roxana Mehran
- Department of Medicine, Division of Cardiology; The Zena and Michael A. Wiener Cardiovascular Institute at the Icahn School of Medicine at Mount Sinai; Mount Sinai
| | | | - Joel Harder
- The Society of Cardiovascular Angiography and Interventions; Washington, DC
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48
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Kavinsky CJ, Kusumoto FM, Bavry AA, Bailey SR, Ellenbogen KA, Hess PL, Lustgarten DL, Moussa ID, Spies C. SCAI/ACC/HRS institutional and operator requirements for left atrial appendage occlusion. Heart Rhythm 2016; 13:e241-e250. [DOI: 10.1016/j.hrthm.2015.12.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Indexed: 12/29/2022]
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49
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Kavinsky CJ, Kusumoto FM, Bavry AA, Bailey SR, Ellenbogen KA, Hess PL, Lustgarten DL, Moussa ID, Spies C. SCAI/ACC/HRS institutional and operator requirements for left atrial appendage occlusion. Catheter Cardiovasc Interv 2016; 87:351-62. [DOI: 10.1002/ccd.26381] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Accepted: 12/05/2015] [Indexed: 11/08/2022]
Affiliation(s)
- Clifford J. Kavinsky
- Department of Medicine; Division of Cardiology, Rush University Medical Center; Chicago Illinois
| | - Fred M. Kusumoto
- Department of Cardiovascular Disease, Mayo Clinic; Jacksonville Florida
| | - Anthony A. Bavry
- Department of Medicine, University of Florida; Gainesville Florida
| | - Steven R. Bailey
- Chair, Division of Cardiology, University of Texas Health Science Center; San Antonio Texas
| | | | - Paul L. Hess
- VA Eastern Colorado Health System; Department of Medicine, University of Colorado School of Medicine; Aurora Colorado
| | - Daniel L. Lustgarten
- Department of Medicine, Division of Cardiology, University of Vermont; Burlington Vermont
| | - Issam D. Moussa
- First Coast Cardiovascular Institute, Jacksonville, Florida Cardiac and Vascular Physicians of Dallas; Richardson Texas
| | - Christian Spies
- Department of Medicine, The Queen's Medical Center; Honolulu Hawaii
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50
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Bamford NJ, Potter SJ, Baskerville CL, Harris PA, Bailey SR. Effect of increased adiposity on insulin sensitivity and adipokine concentrations in different equine breeds adapted to cereal-rich or fat-rich meals. Vet J 2016; 214:14-20. [PMID: 27387720 DOI: 10.1016/j.tvjl.2016.02.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Revised: 01/22/2016] [Accepted: 02/03/2016] [Indexed: 10/22/2022]
Abstract
The relationships between diet, obesity and insulin dysregulation in equids require further investigation due to their association with laminitis. This study examined the effect of dietary glycaemic load and increased adiposity on insulin sensitivity and adipokine concentrations in different equine breeds. Equal numbers of Standardbred horses, mixed-breed ponies and Andalusian horses were provided with ad libitum hay plus either cereal-rich (CHO; n = 12), fat-rich (FAT; n = 12) or control (CON; n = 9) meals over 20 weeks. The isocaloric CHO and FAT diets were fed to induce obesity by gradually increasing the supplementary feeds to provide 200% of daily digestible energy requirements by Week 20. The CON group were fed a basal ration only and maintained moderate body condition. At Week 20, the CHO and FAT groups demonstrated significantly increased body condition score, bodyweight, total body fat mass and plasma leptin concentrations compared with the CON group (P <0.001). The CHO group had lower insulin sensitivity (SI; P <0.001) and higher acute insulin response to glucose (P = 0.002) than the CON group. In contrast, the FAT group was no different to the control group. Ponies and Andalusians had lower SI values compared with Standardbreds, regardless of diet group (P = 0.001). Adiponectin concentrations were similar between the FAT and CON groups, but were significantly lower in the CHO group (P = 0.010). The provision of cereal-rich meals appeared to be a more important determinant of insulin sensitivity than the induction of obesity per se. Whether hypoadiponectinaemia is a cause or consequence of insulin dysregulation warrants further investigation.
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Affiliation(s)
- N J Bamford
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, Victoria, Australia
| | - S J Potter
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, Victoria, Australia
| | - C L Baskerville
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, Victoria, Australia
| | - P A Harris
- Equine Studies Group, WALTHAM Centre for Pet Nutrition, Melton Mowbray, Leicestershire, UK
| | - S R Bailey
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, Victoria, Australia.
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