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1.
Eur J Psychotraumatol ; 14(2): 2240691, 2023.
Article in English | MEDLINE | ID: mdl-37581275

ABSTRACT

BACKGROUND: Advanced neuroscientific insights surrounding post-traumatic stress disorder (PTSD) and its associated symptomatology should beget psychotherapeutic treatments that integrate these insights into practice. Deep Brain Reorienting (DBR) is a neuroscientifically-guided psychotherapeutic intervention that targets the brainstem-level neurophysiological sequence that transpired during a traumatic event. Given that contemporary treatments have non-response rates of up to 50% and high drop-out rates of >18%, DBR is investigated as a putative candidate for effective treatment of some individuals with PTSD. OBJECTIVE: To conduct an interim evaluation of the effectiveness of an eight-session clinical trial of videoconference-based DBR versus waitlist (WL) control for individuals with PTSD. METHOD: Fifty-four individuals with PTSD were randomly assigned to DBR (N = 29) or WL (N = 25). At baseline, post-treatment, and three-month follow-up, participants' PTSD symptom severity was assessed using the Clinician Administered PTSD Scale (CAPS-5). This is an interim analysis of a clinical trial registered with the U. S. National Institute of Health (NCT04317820). RESULTS: Significant between-group differences in CAPS-total and all subscale scores (re-experiencing, avoidance, negative alterations in cognitions/mood, alterations in arousal/reactivity) were found at post-treatment (CAPS-total: Cohen's d = 1.17) and 3-month-follow-up (3MFU) (CAPS-total: Cohen's d = 1.18). Significant decreases in CAPS-total and all subscale scores were observed within the DBR group pre - to post-treatment (36.6% CAPS-total reduction) and pre-treatment to 3MFU (48.6% CAPS-total reduction), whereas no significant decreases occurred in the WL group. After DBR, 48.3% at post-treatment and 52.0% at 3MFU no longer met PTSD criteria. Attrition was minimal with one participant not completing treatment; eight participants were lost to 3MFU. CONCLUSIONS: These findings provide emerging evidence for the effectiveness of DBR as a well-tolerated treatment that is based on theoretical advances highlighting alterations to subcortical mechanisms in PTSD and associated symptomatology. Additional research utilizing larger sample sizes, neuroimaging data, and comparisons or adjacencies with other psychotherapeutic approaches is warranted.Trial registration: ClinicalTrials.gov identifier: NCT04317820..


First study to evaluate the effects of Deep Brain Reorienting (DBR) therapy on PTSD symptoms.Eight internet-based DBR sessions resulted in significant decreases in PTSD symptoms post-treatment and at 3-month follow-up in comparison to a waitlist group.Large effect sizes and a low drop-out rate suggest that DBR may be an effective, well-tolerated neuroscientifically guided treatment for PTSD.


Subject(s)
Stress Disorders, Post-Traumatic , Humans , Stress Disorders, Post-Traumatic/diagnosis , Treatment Outcome , Waiting Lists , Brain
3.
JACC Cardiovasc Imaging ; 12(5): 904-920, 2019 May.
Article in English | MEDLINE | ID: mdl-31072518

ABSTRACT

The management of patients with valvular heart disease is increasingly reliant on multimodal cardiac imaging. In patients with severe aortic stenosis considered for transcatheter aortic valve replacement, careful pre-procedural planning with multimodal imaging is necessary to avoid and prevent complications during the procedure. During or immediately after the procedure, rapid echocardiographic assessment is important to assess the new valve's function and manage major complications. Echocardiography, cardiac computed tomography, and cardiac magnetic resonance imaging all share important roles in the post-procedural evaluation of abnormal transcatheter valve function. This review discusses the use of multimodal imaging for predicting, detecting, and managing complications after TAVR.


Subject(s)
Aortic Valve Stenosis/surgery , Aortic Valve/surgery , Cardiac Imaging Techniques , Postoperative Cognitive Complications/diagnostic imaging , Transcatheter Aortic Valve Replacement/adverse effects , Aortic Valve/diagnostic imaging , Aortic Valve/physiopathology , Aortic Valve Stenosis/diagnostic imaging , Aortic Valve Stenosis/physiopathology , Echocardiography , Humans , Magnetic Resonance Imaging , Models, Anatomic , Models, Cardiovascular , Multimodal Imaging , Patient-Specific Modeling , Postoperative Cognitive Complications/physiopathology , Postoperative Cognitive Complications/therapy , Predictive Value of Tests , Printing, Three-Dimensional , Tomography, X-Ray Computed , Treatment Outcome
5.
JACC Cardiovasc Imaging ; 12(10): 1905-1913, 2019 10.
Article in English | MEDLINE | ID: mdl-30219407

ABSTRACT

OBJECTIVES: In this study, the authors hypothesized that intraprocedural improvement of pulmonary venous (PV) waveforms are predictive of improved outcomes. In this report, they analyzed intraprocedural invasive and echocardiographic changes with respect to rehospitalization and mortality. BACKGROUND: The effects of hemodynamic changes during percutaneous mitral valve repair (PMVR) with MitraClip (Abbott Vascular, Santa Clara, California) are incompletely characterized. METHODS: The authors retrospectively reviewed records and intraprocedural transesophageal echocardiograms of 115 consecutive patients (age 76 ± 12 years) who underwent PMVR for mitral regurgitation (MR) from May 2013 to January 2017 at Emory University Hospital. They assessed intraprocedural PV waveforms for improvement in morphology, measured change in MR grade by semiquantitative methods, evaluated invasive changes in left atrial pressure (LAP) and V-wave, and compared with 30-day and 1-year rehospitalization and all-cause mortality. RESULTS: Ninety-three cases (80%) had PV waveforms before and after clip placement sufficient for analysis, of which 67 (73%) demonstrated intraprocedural improvement in PV morphology and 25 (27%) did not. At 24 months, 57 (85%) of those with PV improvement were living, compared with only 10 (40%) of those without improvement. Proportional hazards models demonstrated a significant survival advantage in those with PV improvement (hazard ratio [HR]: 0.28, 95% confidence interval [CI]: 0.08 to 0.93, p = 0.038). By multivariable analysis, PV improvement predicted reduced 1-year cardiac rehospitalization (odds ratio [OR]: 0.18, p = 0.044). Intraprocedural assessment of MR grade and invasive hemodynamics did not consistently predict mortality and rehospitalization. CONCLUSIONS: PV waveforms are important markers of procedural success after PMVR. Our data show intraprocedural PV waveforms may predict rehospitalization and mortality after PMVR. A larger, multicenter cohort will be important to clarify this relationship.


Subject(s)
Cardiac Catheterization/mortality , Echocardiography, Doppler , Echocardiography, Transesophageal , Heart Valve Prosthesis Implantation/mortality , Mitral Valve Insufficiency/surgery , Mitral Valve/surgery , Patient Readmission , Pulmonary Veins/diagnostic imaging , Aged , Aged, 80 and over , Atrial Function, Left , Atrial Pressure , Cardiac Catheterization/adverse effects , Cause of Death , Female , Heart Valve Prosthesis Implantation/adverse effects , Humans , Male , Middle Aged , Mitral Valve/diagnostic imaging , Mitral Valve/physiopathology , Mitral Valve Insufficiency/diagnostic imaging , Mitral Valve Insufficiency/mortality , Mitral Valve Insufficiency/physiopathology , Predictive Value of Tests , Pulmonary Circulation , Pulmonary Veins/physiopathology , Retrospective Studies , Risk Assessment , Risk Factors , Time Factors , Treatment Outcome
6.
Catheter Cardiovasc Interv ; 93(2): 356-361, 2019 02 01.
Article in English | MEDLINE | ID: mdl-30196578

ABSTRACT

OBJECTIVE: We investigated radioprotective strategies for the interventional echocardiographer (IE) during structural heart interventions in comparison with the interventional cardiologist (IC). BACKGROUND: Structural heart interventions are expanding in complexity with increased reliance on IE. Recent reports have demonstrated concerning exposure and higher radiation to the IE. METHODS: We monitored 32 structural interventions - 19 transcatheter aortic valve replacements (TAVR), 6 transcatheter mitral valve repairs, 5 paravalvular leak closures, and 2 atrial septal defect closures. Seventeen utilized transesophageal echocardiography (TEE) while 15 used transthoracic echocardiography (TTE). Members of the IC and IE teams wore multiple dosimeters on different sites of the body to measure radiation dose to the total body, lens of the eye, and hand. During each case, IE utilized dedicated radiation shielding. RESULTS: Mean doses were higher for the primary IC than the primary IE: IC#1-99, 222, 378; IE#1-48, 52, 416 (body, lens, and hand doses in µSv). IE radioprotective strategies were able to reduce body and lens doses compared to IC during both TTE and TEE-guided procedures. Hand equivalent dose remained higher for the IE driven by exposure during TEE-guided procedures (IC#1 294 vs. IE#1 676 µSv). In a subgroup using radioprotective drapes during TTE-guided TAVR, IC dose was reduced without effect on the IE. CONCLUSIONS: Radiation exposure during structural heart interventions is concerning. With dedicated shielding, IE received lower doses to the body and lens than IC. Further optimization of structural suite design and shielding is needed.


Subject(s)
Echocardiography , Heart Diseases/therapy , Occupational Exposure/prevention & control , Radiation Dosage , Radiation Exposure/prevention & control , Radiation Protection/methods , Radiography, Interventional , Ultrasonography, Interventional , Echocardiography/adverse effects , Heart Diseases/diagnostic imaging , Humans , Occupational Exposure/adverse effects , Occupational Health , Occupational Injuries/etiology , Occupational Injuries/prevention & control , Radiation Exposure/adverse effects , Radiation Injuries/etiology , Radiation Injuries/prevention & control , Radiography, Interventional/adverse effects , Radiologists , Risk Assessment , Risk Factors , Time Factors , Ultrasonography, Interventional/adverse effects
7.
Med Hypotheses ; 119: 91-97, 2018 Oct.
Article in English | MEDLINE | ID: mdl-30122499

ABSTRACT

Shame is an evolved emotional response which requires relational evaluation at a prefrontal cortical level but which has the visceral sensation and defence response impulse of a basic affect. We argue that the severe forms of shame, those residual from traumatic interpersonal experiences, have midbrain and diencephalic components mediating experiences of painful withdrawal while anhedonia is derived from a negatively valenced state of the mesolimbic dopamine system. This specific form of separation distress, with a characteristic sense of exclusion and unworthiness, benefits in treatment from the presence of attachment resources which allow secure access to the core distress. We discuss the use of the Comprehensive Resource Model (CRM) in the psychotherapy of post-traumatic states in which shame is prominent.


Subject(s)
Affect , Prefrontal Cortex/physiology , Psychotherapy/methods , Shame , Anhedonia , Dopamine/metabolism , Emotions , Humans , Interpersonal Relations , Learning , Models, Psychological , Object Attachment , Social Behavior , Wounds and Injuries
8.
JACC Cardiovasc Interv ; 11(12): 1131-1138, 2018 06 25.
Article in English | MEDLINE | ID: mdl-29929633

ABSTRACT

OBJECTIVES: There are minimal data regarding clinical outcomes and echocardiographic findings after transcatheter mitral valve-in-valve replacement (TMVR) compared with redo surgical mitral valve replacement (SMVR). BACKGROUND: TMVR therapy has emerged as therapy for a degenerated bioprosthetic valve failure. METHODS: The authors retrospectively identified patients with degenerated mitral bioprostheses who underwent redo SMVR or TMVR at 3 U.S. institutions. The authors compared clinical and echocardiographic outcomes of patients who had TMVR with those of patients who underwent redo SMVR. RESULTS: Sixty-two patients underwent TMVR and 59 patients underwent SMVR during the study period. Mean age and the Society of Thoracic Surgeons Predicted Risk of Mortality (STS PROM) scores were significantly higher in patients with TMVR than in those with SMVR (age 74.9 ± 9.4 years vs. 63.7 ± 14.9 years; p < 0.001; STS PROM 12.7 ± 8.0% vs. 8.7 ± 10.1%; p < 0.0001). Total procedure time, intensive care unit hours, and post-procedure length of stay were all significantly shorter in the TMVR group. There was no difference in mortality at 1 year between the 2 groups (TMVR 11.3% vs. SMVR 11.9%; p = 0.92). Mean mitral valve pressure gradient and the grade of mitral regurgitation (MR) were similar between the TMVR group and the SMVR group (mitral valve pressure gradient 7.1 ± 2.5 mm Hg vs. 6.5 ± 2.5 mm Hg; p = 0.42; MR [≥moderate] 3.8% vs. 5.6%; p = 1.00) at 30 days. At 1 year, the mitral valve pressure gradient was higher in the TMVR group (TMVR 7.2 ± 2.7 vs. SMVR 5.5 ± 1.8; p = 0.01), although there was no difference in the grade of MR. CONCLUSIONS: Despite the higher STS PROM in TMVR patients, there was no difference in 1-year mortality between the TMVR and SMVR groups. Echocardiographic findings after TMVR were similar to SMVR at 30 days. There was a statistically significant difference in mitral gradient at 1 year, though this is likely not clinically important. TMVR may be an alternative to SMVR in patients with previous mitral bioprosthetic valves.


Subject(s)
Bioprosthesis , Cardiac Catheterization/instrumentation , Device Removal , Echocardiography , Heart Valve Diseases/surgery , Heart Valve Prosthesis Implantation/instrumentation , Heart Valve Prosthesis , Mitral Valve/surgery , Prosthesis Failure , Aged , Aged, 80 and over , Cardiac Catheterization/adverse effects , Cardiac Catheterization/mortality , Device Removal/adverse effects , Device Removal/mortality , Female , Heart Valve Diseases/diagnostic imaging , Heart Valve Diseases/physiopathology , Heart Valve Prosthesis Implantation/adverse effects , Heart Valve Prosthesis Implantation/mortality , Humans , Male , Middle Aged , Mitral Valve/diagnostic imaging , Mitral Valve/physiopathology , Predictive Value of Tests , Recovery of Function , Reoperation , Retrospective Studies , Risk Factors , Treatment Outcome , United States
10.
J Am Heart Assoc ; 7(10)2018 05 03.
Article in English | MEDLINE | ID: mdl-29728013

ABSTRACT

BACKGROUND: Coronary microvascular dysfunction may contribute to myocardial ischemia during mental stress (MS). However, the role of coronary epicardial and microvascular function in regulating coronary blood flow (CBF) responses during MS remains understudied. We hypothesized that coronary vasomotion during MS is dependent on the coronary microvascular endothelial function and will be reflected in the peripheral microvascular circulation. METHODS AND RESULTS: In 38 patients aged 59±8 years undergoing coronary angiography, endothelium-dependent and endothelium-independent coronary epicardial and microvascular responses were measured using intracoronary acetylcholine and nitroprusside, respectively, and after MS induced by mental arithmetic testing. Peripheral microvascular tone during MS was measured using peripheral arterial tonometry (Itamar Inc, Caesarea, Israel) as the ratio of digital pulse wave amplitude compared to rest (peripheral arterial tonometry ratio). MS increased the rate-pressure product by 22% (±23%) and constricted epicardial coronary arteries by -5.9% (-10.5%, -2.6%) (median [interquartile range]), P=0.001, without changing CBF. Acetylcholine increased CBF by 38.5% (8.1%, 91.3%), P=0.001, without epicardial coronary diameter change (0.1% [-10.9%, 8.2%], P=not significant). The MS-induced CBF response correlated with endothelium-dependent CBF changes with acetylcholine (r=0.38, P=0.03) but not with the response to nitroprusside. The peripheral arterial tonometry ratio also correlated with the demand-adjusted change in CBF during MS (r=-0.60, P=0.004), indicating similarity between the microcirculatory responses to MS in the coronary and peripheral microcirculation. CONCLUSIONS: The coronary microvascular response to MS is determined by endothelium-dependent, but not endothelium-independent, coronary microvascular function. Moreover, the coronary microvascular responses to MS are reflected in the peripheral microvascular circulation.


Subject(s)
Coronary Circulation , Coronary Vessels/physiopathology , Microcirculation , Microvessels/physiopathology , Stress, Psychological/physiopathology , Vasodilation , Aged , Coronary Circulation/drug effects , Coronary Vessels/diagnostic imaging , Coronary Vessels/drug effects , Endothelium, Vascular/physiopathology , Female , Humans , Male , Mathematical Concepts , Microcirculation/drug effects , Microvessels/diagnostic imaging , Microvessels/drug effects , Middle Aged , Prospective Studies , Stress, Psychological/psychology , Vasodilation/drug effects , Vasodilator Agents/administration & dosage
12.
Catheter Cardiovasc Interv ; 92(7): 1458-1460, 2018 12 01.
Article in English | MEDLINE | ID: mdl-29359409

ABSTRACT

Currently, there are no recommendations regarding the selection of valve type for a transcatheter heart valve (THV)-in-THV procedure. A supra-annular valve design may be superior in that it results in a larger effective orifice area and may have a lower chance of valve thrombosis after THV-in-THV. In this report, we describe the use of a supra-annular valve strategy for an early degenerated THV.


Subject(s)
Aortic Valve Insufficiency/surgery , Aortic Valve/surgery , Cardiac Catheterization/instrumentation , Heart Valve Prosthesis Implantation/instrumentation , Heart Valve Prosthesis , Prosthesis Failure , Aged , Aortic Valve/diagnostic imaging , Aortic Valve/physiopathology , Aortic Valve Insufficiency/diagnostic imaging , Aortic Valve Insufficiency/etiology , Aortic Valve Insufficiency/physiopathology , Balloon Valvuloplasty , Cardiac Catheterization/adverse effects , Female , Heart Valve Prosthesis Implantation/adverse effects , Hemodynamics , Humans , Prosthesis Design , Recovery of Function , Treatment Outcome
13.
JACC Cardiovasc Interv ; 11(2): 107-115, 2018 01 22.
Article in English | MEDLINE | ID: mdl-29348004

ABSTRACT

OBJECTIVES: This study sought to investigate predictors and safety of next-day discharge (NDD) after transcatheter aortic valve replacement (TAVR). BACKGROUND: Information about predictors and safety of NDD after TAVR is limited. METHODS: The study reviewed 663 consecutive patients who underwent elective balloon-expandable TAVR (from July 2014 to July 2016) at our institution. We first determined predictors of NDD in patients who underwent minimalist transfemoral TAVR. After excluding cases with complications, we compared 30-day and 1-year outcomes between NDD patients and those with longer hospital stay using Cox regression adjusting for the Predicted Risk of Mortality provided by the Society of Thoracic Surgeons. The primary endpoint was the composite of mortality and readmission at 1 year. RESULTS: A total of 150 patients had NDD after TAVR and 210 patients had non-NDD. Mean age and the Society of Thoracic Surgeons Predicted Risk of Mortality were 80.7 ± 8.8 years and 6.6 ± 3.7%, respectively. Predictors of NDD were male sex (odds ratio [OR]: 2.02; 95% confidence interval [CI]: 1.28 to 3.18), absence of atrial fibrillation (OR: 1.62; 95% CI: 1.02 to 2.57), serum creatinine (OR: 0.71; 95% CI: 0.55 to 0.92), and age (OR: 0.95; 95% CI: 0.93 to 0.98). As expected, 84% of patients with complications had non-NDD. After excluding cases with complications, there was no difference in hazard rates of the 30-day composite outcome between NDD and non-NDD (hazard ratio: 0.62; 95% CI: 0.20 to 1.91), but the hazard of the composite outcome at 1 year was significantly lower in the NDD group (hazard ratio: 0.47; 95% CI: 0.27 to 0.81). This difference in the composite outcome can be explained by the lower hazard of noncardiovascular related readmission in the NDD group. CONCLUSIONS: Factors predicting NDD include male sex, absence of atrial fibrillation, lower serum creatinine, and younger age. When compared with patients without complications with a longer hospital stay, NDD appears to be safe, achieving similar 30-day and superior 1-year clinical outcomes.


Subject(s)
Aortic Valve Stenosis/surgery , Aortic Valve/surgery , Length of Stay , Patient Discharge , Transcatheter Aortic Valve Replacement , Age Factors , Aged , Aged, 80 and over , Aortic Valve/diagnostic imaging , Aortic Valve/physiopathology , Aortic Valve Stenosis/diagnostic imaging , Aortic Valve Stenosis/mortality , Aortic Valve Stenosis/physiopathology , Balloon Valvuloplasty , Biomarkers/blood , Comorbidity , Creatinine/blood , Female , Health Status , Hemodynamics , Humans , Male , Patient Readmission , Patient Safety , Retrospective Studies , Risk Factors , Severity of Illness Index , Sex Factors , Time Factors , Transcatheter Aortic Valve Replacement/adverse effects , Transcatheter Aortic Valve Replacement/mortality , Treatment Outcome
14.
Hellenic J Cardiol ; 59(5): 268-271, 2018.
Article in English | MEDLINE | ID: mdl-29374578

ABSTRACT

BACKGROUND: Global longitudinal strain (GLS) has incremental value in assessing left ventricular (LV) function in severe aortic stenosis and is related to clinical outcome after transcatheter aortic valve replacement (TAVR). We sought to identify relevant echocardiographic predictors of GLS improvement and myocardial function recovery after TAVR. METHODS: We analyzed baseline and 12-month follow-up echocardiograms for LV strain analysis from 123 patients who underwent at Emory University Hospital with the Edwards SAPIEN valve between 7/2007 and 7/2013. RESULTS: At baseline, 61 had reduced LV ejection fraction (LVEF) ≤50% (rEF), and 80 had preserved LVEF >50% (pEF). Higher baseline mean pressure gradient (MPG) and aortic peak velocity (AV Vmax) predicted myocardial function recovery defined as ≥20% improvement in global longitudinal strain (r = 0.29, p < .001; r = 0.26, p = .002). When analyzing subjects with discordant changes in GLS and LVEF at follow-up, subjects with improved GLS, although reduced LVEF after TAVR, experienced a greater reduction in MPG and AV Vmax (-40 vs. -30, p = 0.015; -2.3 vs. -1.9, p = .021) after the procedure. CONCLUSIONS: In high-risk patients undergoing TAVR for severe aortic stenosis, GLS is impaired and more impaired in patients with reduced EF. Higher baseline MPG predicts myocardial function recovery. GLS improvement after TAVR is related to relief of pressure overload.


Subject(s)
Aortic Valve Stenosis/surgery , Aortic Valve/surgery , Arterial Pressure/physiology , Transcatheter Aortic Valve Replacement/adverse effects , Aged , Aged, 80 and over , Aorta/physiopathology , Aorta/surgery , Aortic Valve Stenosis/physiopathology , Echocardiography/methods , Female , Heart Valve Prosthesis/adverse effects , Humans , Male , Myocardium , Predictive Value of Tests , Pulse Wave Analysis/methods , Recovery of Function/physiology , Retrospective Studies , Risk Factors , Stroke Volume/physiology , Transcatheter Aortic Valve Replacement/methods , Ventricular Function, Left/physiology
15.
Catheter Cardiovasc Interv ; 91(6): 1070-1073, 2018 05 01.
Article in English | MEDLINE | ID: mdl-29068132

ABSTRACT

As antegrade options are limited, intervention upon the ostial right coronary artery (RCA) chronic total occlusion (CTO) warrants a retrograde approach. Landmarks for an aggressive approach are concerning as passage of stiff guidewires or electrocautery near the RCA ostium may result in wire passage into structures other than the aorta. We report the first use of transesophageal echocardiography (TEE) to assist retrograde passage of a guidewire into the aorta. For the ostial RCA CTO, TEE guidance may be considered to assist retrograde passage of aggressive guidewires into the aorta.


Subject(s)
Aorta/diagnostic imaging , Cardiac Catheterization , Coronary Occlusion/diagnostic imaging , Coronary Occlusion/surgery , Echocardiography, Doppler, Color , Echocardiography, Three-Dimensional , Echocardiography, Transesophageal , Percutaneous Coronary Intervention , Aged , Cardiac Catheterization/instrumentation , Chronic Disease , Coronary Angiography , Female , Humans , Percutaneous Coronary Intervention/instrumentation , Predictive Value of Tests , Stents , Treatment Outcome
16.
Am J Cardiol ; 120(12): 2289-2293, 2017 Dec 15.
Article in English | MEDLINE | ID: mdl-29102347

ABSTRACT

Android fat is a surrogate measure of visceral obesity in the truncal region. Both visceral adiposity and oxidative stress (OS) are linked to cardiometabolic risk factors and clinical cardiovascular disease. However, whether body fat distribution (android vs gynoid) is associated with OS remains unknown. We hypothesized that increased android fat will be associated with greater OS. Body fat distribution and markers of OS, including plasma levels of reduced (cysteine and glutathione) and oxidized (cystine and glutathione disulfide) aminothiols, were estimated in 711 volunteers (67% female, 23% black, mean age 48 ± 11) enrolled in the Emory Georgia Tech Predictive Health study. At 1 year, 498 subjects had repeat testing. At baseline, anthropometric and fat distribution indexes, including body mass index, waist circumference, weight/hip ratio, and android and gynoid fat mass correlated with lower plasma concentrations of glutathione and higher cystine levels indicative of higher OS. At 1 year, the change in android but not gynoid fat mass or body mass index negatively correlated with the change in the plasma glutathione level after adjustment for cardiovascular risk factors. Increased body fat, specifically android fat mass, is an independent determinant of systemic OS, and its change is associated with a simultaneous change in OS, measured as plasma glutathione. In conclusion, our findings suggest that excess android or visceral fat contributes to the development of cardiovascular disease through modulating OS.


Subject(s)
Body Fat Distribution , Cardiovascular Diseases/metabolism , Oxidative Stress , Absorptiometry, Photon , Adult , Body Mass Index , Cardiovascular Diseases/etiology , Cardiovascular Diseases/prevention & control , Female , Humans , Life Style , Male , Middle Aged
19.
J Clin Lipidol ; 11(6): 1354-1360.e3, 2017.
Article in English | MEDLINE | ID: mdl-28942095

ABSTRACT

BACKGROUND: Truncal obesity is associated with metabolic syndrome and cardiovascular risk. Although vascular health is influenced by weight, it is not known whether changes in fat distribution modulate arterial function. OBJECTIVE: We assessed how changes in truncal (android) fat at 1 year affect arterial stiffness and endothelial function. METHODS: We recruited 711 healthy volunteers (235 males, age 48 ± 11 years) into the Emory Predictive Health Study; 498 returned at 1 year. Measurements included anthropometric and chemistry panels, fat mass using dual-energy X-ray absorptiometry, arterial stiffness indices (pulse wave velocity [PWV], augmentation index [AIx], and subendocardial viability ratio [SEVR]; Sphygmocor), flow-mediated dilation (FMD), and reactive hyperemia index (Endo-PAT). RESULTS: At baseline, measures of body mass correlated with PWV, AIx, SEVR, and FMD. In a multivariable analysis including body mass index (BMI) and traditional risk factors, BMI remained an independent predictor of PWV, AIx, SEVR, and FMD. In a model including BMI and measures of fat distribution, android fat remained an independent predictor of PWV (ß = 0.31, P = .004), AIx (ß = 0.24, P = .008), and SEVR (ß = -0.41, P < .001). The 1-year change in android fat correlated negatively with change in SEVR (ß = -0.13, P = .005) and FMD (ß = -0.13, P = .006) after adjustment for change in gynoid fat. CONCLUSION: In addition to BMI, android fat is a determinant of arterial stiffness, independent of traditional risk factors. Changes in android fat over time are associated with simultaneous changes in vascular function, indicating fat distribution's effect on vascular health.


Subject(s)
Arteries/physiopathology , Obesity, Abdominal/physiopathology , Vascular Stiffness , Absorptiometry, Photon , Adult , Aged , Arteries/diagnostic imaging , Body Fat Distribution , Body Mass Index , Female , Humans , Male , Middle Aged , Obesity, Abdominal/diagnostic imaging , Pulse Wave Analysis , Risk Factors
20.
Expert Rev Cardiovasc Ther ; 15(9): 715-725, 2017 Sep.
Article in English | MEDLINE | ID: mdl-28764576

ABSTRACT

INTRODUCTION: Mitral regurgitation is one of the more common forms of valvular heart disease. Given the expansion of therapies for structural heart disease, new therapies for mitral regurgitation are emerging. An accurate description and classification of mitral disease is important to understand pathology and provide recommendations for therapy. Areas covered: In the modern evaluation of mitral regurgitation, 3-dimensional echocardiography (3DE) and cardiac magnetic resonance imaging (CMR) play important roles which overcome the prior limitations of 2-dimensional echocardiography. Specifically, an advanced evaluation with these techniques allows accurate characterization of the anatomic etiology of mitral regurgitation and quantification of severity. Furthermore, the role of 3DE during intraprocedural guidance, 'interventional echocardiography,' is expanding. Expert commentary: In our review, we demonstrate a complete diagnostic evaluation of mitral valve dysfunction by 3DE and CMR and describe current implications for invasive therapy and procedural guidance.


Subject(s)
Echocardiography, Three-Dimensional/methods , Magnetic Resonance Imaging/methods , Mitral Valve Insufficiency/diagnostic imaging , Echocardiography/methods , Humans , Mitral Valve/diagnostic imaging , Mitral Valve Insufficiency/diagnosis , Severity of Illness Index
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