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1.
J Card Fail ; 2024 Apr 12.
Article in English | MEDLINE | ID: mdl-38616008

ABSTRACT

BACKGROUND: We investigated variables impacting waitlist times and negative waitlist outcomes in adults with congenital heart disease (ACHD) who were waiting for orthotopic heart transplant (OHT) after the 2018 allocation change. METHODS: Adult candidates for OHT who were listed between 10/18/2018 and 12/31/2022 in the United Network for Organ Sharing database were categorized as ACHD vs non-ACHD. Waitlist time and time to upgrade for those upgraded into status 1-3 were compared by using rank-sum tests. Death/delisting for deterioration was assessed by using Fine-Gray subdistribution hazard ratios (SHRs). RESULTS: Of 15,424 OHT candidates, 589 (3.8%) were ACHD. ACHD vs non-ACHD candidates had less urgent status at initial listing (4.2% vs 4.7% listed at status 1; 17.2% vs 23.7% listed at status 2; P < 0.001), but not final listing (5.9% vs 7.6% final status 1; 35.6% vs 36.8% final status 2; P < 0.001). ACHD vs non-ACHD candidates upgraded into status 1 (65.0 vs 30.0 days; P = 0.09) and status 2 (113.0 vs 64.0 days; P = 0.003) spent longer times on the waitlist. ACHD vs non-ACHD candidates spent longer times waiting for an upgrade into status 1 (51.4 vs 17.6 days; P = 0.027) and status 2 (76.7 vs 34.7 days; P = 0.003). Once upgraded, there was no difference between groups in waitlist time to status 1 (9.7 vs 5.5 days = 0.66). ACHD vs non-ACHD candidates with a final status of 1 (20.0% vs 8.6%; SHR 2.47 [95%CI = 1.19-5.16]; P = 0.02) and 2 (8.9% vs 2.3%; SHR 3.59 [95%CI = 2.18-5.91]; P < 0.001) experienced higher rates of death and deterioration. CONCLUSIONS: ACHD candidates have longer waitlist times, have lower priority status at initial listing, wait longer for upgrades, and have higher mortality rates at the same final status as non-ACHD candidates, suggesting that they are being upgraded too late.

2.
Cardiol Young ; 31(10): 1576-1581, 2021 Oct.
Article in English | MEDLINE | ID: mdl-33622434

ABSTRACT

BACKGROUND: To promote good health in patients with congenital heart disease (CHD), prevention of gaps in care is essential, as adverse prognosis is associated with care gaps. A well-organised, formal transition programme may help prevent loss to follow up after leaving paediatric care. To inform the development of a transition programme, we investigated factors associated with care gaps in adults with CHD. METHODS: Between 15 October 2018 and 15 November 2019 data on patient characteristics and patient experiences with transition-related education, difficulties, and gaps in care were collected and assessed in 87 adults with CHD. Two groups (with gaps in care versus without gaps) were compared to identify informative differences using chi-squared, Fisher's exact tests, or Wilcoxon rank-sum tests. To assess the relationship between care gaps and identified variables, factors with significant difference (p < 0.05) in bivariate analyses were employed as covariates in multivariable logistic regression analysis. RESULTS: About half of the study cohort reported having gaps in care. In a multivariate model, patients having thorough discussion about the importance of receiving adult care in paediatric care were 70% less likely to experience gaps (odds ratio 0.303, 95% CI 0.14, 0.66). Forty-seven percent of patient-perceived barriers to transitioning originated from negative feelings associated with transfer. CONCLUSION: Gaps in care are highly prevalent in adults with CHD. For a transition programme to be most effective, curriculum development may need to consider the differential impact of various factors and target areas to mitigate the psychological stress associated with transfer.


Subject(s)
Heart Defects, Congenital , Transition to Adult Care , Adult , Child , Heart Defects, Congenital/epidemiology , Heart Defects, Congenital/therapy , Humans
4.
J Biol Chem ; 293(1): 115-129, 2018 01 05.
Article in English | MEDLINE | ID: mdl-29158256

ABSTRACT

Congestive heart failure typically arises from cardiac myocyte necrosis/apoptosis, associated with the pathological opening of the mitochondrial permeability transition pore (mPTP). mPTP opening decreases the mitochondrial membrane potential leading to the activation of Ca2+-independent phospholipase A2γ (iPLA2γ) and the production of downstream toxic metabolites. However, the array of enzymatic mediators and the exact chemical mechanisms responsible for modulating myocardial mPTP opening remain unclear. Herein, we demonstrate that human heart failure activates specific myocardial mitochondrial phospholipases that increase Ca2+-dependent production of toxic hydroxyeicosatetraenoic acids (HETEs) and attenuate the activity of phospholipases that promote the synthesis of protective epoxyeicosatrienoic acids (EETs). Mechanistically, HETEs activated the Ca2+-induced opening of the mPTP in failing human myocardium, and the highly selective pharmacological blockade of either iPLA2γ or lipoxygenases attenuated mPTP opening in failing hearts. In contrast, pharmacological inhibition of cytochrome P450 epoxygenases opened the myocardial mPTP in human heart mitochondria. Remarkably, the major mitochondrial phospholipase responsible for Ca2+-activated release of arachidonic acid (AA) in mitochondria from non-failing hearts was calcium-dependent phospholipase A2ζ (cPLA2ζ) identified by sequential column chromatographies and activity-based protein profiling. In contrast, iPLA2γ predominated in failing human myocardium. Stable isotope kinetics revealed that in non-failing human hearts, cPLA2ζ metabolically channels arachidonic acid into EETs, whereas in failing hearts, increased iPLA2γ activity channels AA into toxic HETEs. These results mechanistically identify the sequelae of pathological remodeling of human mitochondrial phospholipases in failing myocardium. This remodeling metabolically channels AA into toxic HETEs promoting mPTP opening, which induces necrosis/apoptosis leading to further progression of heart failure.


Subject(s)
Group VI Phospholipases A2/metabolism , Heart Failure/metabolism , Hydroxyeicosatetraenoic Acids/biosynthesis , Mitochondria, Heart/metabolism , Mitochondrial Membrane Transport Proteins/metabolism , Amino Acid Sequence , Calcium/metabolism , Calcium Channels/metabolism , Heart Failure/enzymology , Heart Failure/pathology , Humans , Hydroxyeicosatetraenoic Acids/metabolism , Membrane Potential, Mitochondrial , Mitochondria, Heart/enzymology , Mitochondrial Membranes/enzymology , Mitochondrial Membranes/metabolism , Mitochondrial Permeability Transition Pore , Myocardium/enzymology , Myocardium/metabolism , Myocardium/pathology , Permeability , Phospholipases A2/metabolism
5.
Article in English | MEDLINE | ID: mdl-38897425

ABSTRACT

BACKGROUND: Use of donation after circulatory death (DCD) and hepatitis C virus (HCV) positive donors in heart transplantation have increased the donor pool. Given poor waitlist outcomes in the adult congenital heart disease (ACHD) population, we investigated waitlist outcomes associated with willingness to consider DCD and HCV+ offers and post-transplant outcomes following HCV+ and DCD transplantation for these candidates. METHODS: Using the United Network for Organ Sharing database, we identified adult ACHD candidates and recipients listed or transplanted, respectively, between 01/01/2016 and 09/30/2023 for the HCV analysis and between 12/01/2019 and 09/30/2023 for the DCD analysis. Among candidates, we compared the cumulative incidence of transplant, with waitlist death/deterioration as a competing risk, by willingness to consider HCV+ and DCD offers. Among recipients of HCV+ (vs HCV-) and DCD (vs brain death [DBD]) transplants, we compared perioperative outcomes and post-transplant survival. RESULTS: Of 1,436 ACHD candidates from 01/01/2016 to 09/30/2023, 37.0% were willing to consider HCV+ heart offers. Of 886 ACHD candidates from 12/01/2019 to 09/30/2023, 15.5% were willing to consider DCD offers. On adjusted analysis, willingness to consider HCV+ offers was associated with 84% increased likelihood of transplant, and willingness to consider DCD offers was associated with 56% increased likelihood of transplant. Of 904 transplants between 01/01/2016 and 09/30/2023, 6.4% utilized HCV+ donors, and of 540 transplants between 12/01/2019 and 09/30/2023, 6.9% utilized DCD donors. Recipients of HCV+ (vs HCV-) and DCD (vs DBD) heart transplants had similar likelihood of perioperative outcomes and 1-year survival. CONCLUSIONS: ACHD candidates who were willing to consider HCV+ and DCD offers were more likely to be transplanted and had similar post-transplant outcomes compared to recipients of HCV- and DBD organs.

6.
Aliment Pharmacol Ther ; 59(9): 1020-1032, 2024 May.
Article in English | MEDLINE | ID: mdl-38497159

ABSTRACT

BACKGROUND AND AIMS: The Fontan palliation is the final stage of surgery for many children born with univentricular physiology. Almost all Fontan patients develop liver fibrosis which may eventually lead to cirrhosis and hepatocellular carcinoma (HCC). These are important causes of morbidity and mortality in these patients. We performed a systematic review and meta-analysis to assess the incidence of cirrhosis and HCC in Fontan patients and stratify it based on time since surgery. METHODS: A literature search of seven databases identified 1158 records. Studies reporting the number of cirrhosis and HCC cases in Fontan patients and time since Fontan surgery were included. In the cirrhosis cohort, we included only those studies where all patients underwent liver biopsy. RESULTS: A total of 23 studies were included: 12 and 13 studies in the cirrhosis and HCC cohorts, respectively, with two studies included in both cohorts. The incidence of cirrhosis was 0.97 per 100 patient-years (95% CI 0.57-1.63), with the incidence and cumulative incidence ≥20 years post Fontan surgery being 1.61 per 100 patient-years (95% CI 1.24-2.08) and 32.2% (95% CI 25.8%-39.4%), respectively. The incidence of HCC was 0.12 per 100 patient-years (95% CI 0.07-0.21), with the incidence and cumulative incidence ≥20 years post Fontan surgery being 0.20 per 100 patient-years (95% CI 0.12-0.35) and 3.9% (95% CI 2.2%-6.8%), respectively. Only about 70% of patients with HCC (20/28) had underlying cirrhosis. CONCLUSION: The incidence of cirrhosis and HCC increases over time, especially at ≥20 years post Fontan surgery. Studies are needed to further identify at-risk patients in order to streamline surveillance for these highly morbid conditions.


Subject(s)
Carcinoma, Hepatocellular , Fontan Procedure , Liver Neoplasms , Child , Humans , Carcinoma, Hepatocellular/epidemiology , Carcinoma, Hepatocellular/etiology , Carcinoma, Hepatocellular/surgery , Incidence , Liver Neoplasms/epidemiology , Liver Neoplasms/etiology , Liver Neoplasms/surgery , Fontan Procedure/adverse effects , Liver Cirrhosis/etiology , Liver Cirrhosis/complications , Risk Factors
7.
ASAIO J ; 69(11): 984-992, 2023 11 01.
Article in English | MEDLINE | ID: mdl-37549669

ABSTRACT

There are minimal data on the use of venoarterial extracorporeal membrane life support (VA-ECLS) in adult congenital heart disease (ACHD) patients presenting with cardiogenic shock (CS). This study sought to describe the population of ACHD patients with CS who received VA-ECLS in the Extracorporeal Life Support Organization (ELSO) Registry. This was a retrospective analysis of adult patients with diagnoses of ACHD and CS in ELSO from 2009-2021. Anatomic complexity was categorized using the American College of Cardiology/American Heart Association 2018 guidelines. We described patient characteristics, complications, and outcomes, as well as trends in mortality and VA-ECLS utilization. Of 528 patients who met inclusion criteria, there were 32 patients with high-complexity anatomy, 196 with moderate-complexity anatomy, and 300 with low-complexity anatomy. The median age was 59.6 years (interquartile range, 45.8-68.2). The number of VA-ECLS implants increased from five implants in 2010 to 81 implants in 2021. Overall mortality was 58.3% and decreased year-by-year (ß= -2.03 [95% confidence interval, -3.36 to -0.70], p = 0.007). Six patients (1.1%) were bridged to heart transplantation and 21 (4.0%) to durable ventricular assist device. Complications included cardiac arrhythmia/tamponade (21.6%), surgical site bleeding (17.6%), cannula site bleeding (11.4%), limb ischemia (7.4%), and stroke (8.7%). Utilization of VA-ECLS for CS in ACHD patients has increased over time with a trend toward improvement in survival to discharge.


Subject(s)
Extracorporeal Membrane Oxygenation , Heart Defects, Congenital , Humans , Adult , Middle Aged , Shock, Cardiogenic/etiology , Shock, Cardiogenic/therapy , Extracorporeal Membrane Oxygenation/adverse effects , Retrospective Studies , Heart Defects, Congenital/complications , Heart Defects, Congenital/surgery , Registries
8.
JACC Adv ; 2(10): 100701, 2023 Dec.
Article in English | MEDLINE | ID: mdl-38938489

ABSTRACT

Background: Altered coagulation is a striking feature of COVID-19. Adult patients with congenital heart disease (ACHD) are prone to thromboembolic (TE) and bleeding complications. Objectives: The purpose of this study was to investigate the prevalence and risk factors for COVID-19 TE/bleeding complications in ACHD patients. Methods: COVID-19-positive ACHD patients were included between May 2020 and November 2021. TE events included ischemic cerebrovascular accident, systemic and pulmonary embolism, deep venous thrombosis, myocardial infarction, and intracardiac thrombosis. Major bleeding included cases with hemoglobin drop >2 g/dl, involvement of critical sites, or fatal bleeding. Severe infection was defined as need for intensive care unit, endotracheal intubation, renal replacement therapy, extracorporeal membrane oxygenation, or death. Patients with TE/bleeding were compared to those without events. Factors associated with TE/bleeding were determined using logistic regression. Results: Of 1,988 patients (age 32 [IQR: 25-42] years, 47% male, 59 ACHD centers), 30 (1.5%) had significant TE/bleeding: 12 TE events, 12 major bleeds, and 6 with both TE and bleeding. Patients with TE/bleeding had higher in-hospital mortality compared to the remainder cohort (33% vs 1.7%; P < 0.0001) and were in more advanced physiological stage (P = 0.032) and NYHA functional class (P = 0.01), had lower baseline oxygen saturation (P = 0.0001), and more frequently had a history of atrial arrhythmia (P < 0.0001), previous hospitalization for heart failure (P < 0.0007), and were more likely hospitalized for COVID-19 (P < 0.0001). By multivariable logistic regression, prior anticoagulation (OR: 4.92; 95% CI: 2-11.76; P = 0.0003), cardiac injury (OR: 5.34; 95% CI: 1.98-14.76; P = 0.0009), and severe COVID-19 (OR: 17.39; 95% CI: 6.67-45.32; P < 0.0001) were independently associated with increased risk of TE/bleeding complications. Conclusions: ACHD patients with TE/bleeding during COVID-19 infection have a higher in-hospital mortality from the illness. Risk of coagulation disorders is related to severe COVID-19, cardiac injury during infection, and use of anticoagulants.

9.
J Heart Lung Transplant ; 41(7): 889-895, 2022 07.
Article in English | MEDLINE | ID: mdl-35397877

ABSTRACT

BACKGROUND: The aim of this study was to investigate the impact of the new United Network for Organ Sharing (UNOS) listing criteria on mechanical circulatory support (MCS) utilization and outcomes in adult congenital heart disease (ACHD) patients. METHODS: We identified all ACHD and non-ACHD heart transplant candidates in the Scientific Registry of Transplant Recipients database listed during the 590 days prior to (historical cohort) or following (recent cohort) the UNOS allocation revision on October 18, 2018. Patients were grouped based on whether they received central temporary MCS (tMCS), peripheral tMCS, durable MCS, or no MCS. RESULTS: A total of 535 ACHD (242 historical, 293 recent) and 12,188 non-ACHD (6,258 historical, 5,930 recent) patients were included in our study. For ACHD patients, we found no differences in the historical versus recent cohort in utilization of central tMCS (3.31% vs 3.07%, p = .88) or durable MCS (3.31% vs 3.41%, p = .95), whereas the rate of peripheral tMCS increased (2.07% historical vs 6.83% recent, p = .009). Across both cohorts, ACHD patients supported with peripheral tMCS had shorter time-to-transplant than non-supported patients (25.7 vs 121.7 days, p = .002). ACHD patients supported with central tMCS had greater rates of post-transplant mortality relative to other ACHD patients (40.0% vs 12.6%, p = .006), while those supported with durable or peripheral temporary MCS had no differences in waitlist or post-transplant mortality compared to non-supported ACHD patients. CONCLUSIONS: The 2018 UNOS allocation changes increased utilization of peripheral temporary MCS in ACHD patients, decreasing waitlist time without impact on post-transplant outcomes.


Subject(s)
Heart Defects, Congenital , Heart Failure , Heart Transplantation , Heart-Assist Devices , Adult , Heart Defects, Congenital/surgery , Heart Failure/surgery , Humans , Registries , Retrospective Studies , Waiting Lists
10.
J Am Coll Cardiol ; 80(23): 2224-2238, 2022 12 06.
Article in English | MEDLINE | ID: mdl-36456053

ABSTRACT

Together, heart failure and arrhythmia represent the most important cardiovascular sources of morbidity and mortality among adults with congenital heart disease (ACHDs). Although traditionally conceptualized as operating within 2 distinct clinical silos, these scenarios frequently coexist within the same individual; consequently the mechanistic, therapeutic, and prognostic overlap between them demands increased recognition. In fact, given the near ubiquity of heart failure and arrhythmia among ACHDs, there is perhaps no other arena within cardiology where this critical intersection is more frequently observed. Optimal care for ACHDs therefore requires a heightened awareness of the relevant interactions as well as the pharmacologic and interventional resources that are increasingly available to the treating cardiologist. This review explores and highlights the overlap between these 2 fields to recommend a parallel, yet interactive, multidisciplinary approach to clinical management. Congenital heart disease categories are broken down into their archetypal subtypes to highlight subtleties of the pathophysiology, evaluation, and therapeutic approach.


Subject(s)
Cardiologists , Cardiology , Heart Defects, Congenital , Heart Failure , Adult , Humans , Arrhythmias, Cardiac/etiology , Arrhythmias, Cardiac/therapy , Heart Defects, Congenital/complications , Heart Defects, Congenital/therapy , Heart Failure/complications , Heart Failure/therapy
11.
J Am Heart Assoc ; 10(14): e020248, 2021 07 20.
Article in English | MEDLINE | ID: mdl-34238025

ABSTRACT

Background Patients with adult congenital heart disease (ACHD) experience long waitlist times for heart transplantation (HTx) while a large proportion of donor hearts are refused. The goal of this study was to inform optimal donor selection for patients with ACHD listed for HTx by examining the impact of donor characteristics on post-HTx outcomes. Methods and Results Using the Scientific Registry of Transplant Recipients, we conducted a retrospective analysis of patients aged ≥18 years listed for HTx in the United States between 2000 and 2016. We compared waitlist times between patients with ACHD and patients with noncongenital heart disease and constructed multivariate hazard models to identify donor characteristics associated with increased waitlist time. We then compared post-HTx survival between patients with ACHD and patients with noncongenital heart disease and constructed multivariate hazard models to identify donor characteristics associated with mortality. There were very few differences in donor characteristics between HTx recipients with ACHD and those with noncongenital heart disease. Status 1A-listed patients with ACHD experienced longer waitlist times compared with patients with noncongenital heart disease. Increased wait times were associated with some donor characteristics. Post-HTx outcomes varied over time, with patients with ACHD having inferior early mortality (0 to 30 days), similar intermediate mortality (31 days to 4 years), and superior late mortality (>4 years). We identified no donor characteristics associated with mortality to justify the observed differences in donor selection or waitlist time. Conclusions HTx candidates with ACHD wait longer for transplant but do not require unique donor selection criteria. HTx teams should consider liberalizing donor criteria and focusing only on evidence-based selection to improve waitlist outcomes and reduce the recipient-donor disparity.


Subject(s)
Heart Defects, Congenital/surgery , Heart Transplantation , Registries , Tissue Donors/supply & distribution , Transplant Recipients/statistics & numerical data , Waiting Lists/mortality , Adolescent , Adult , Donor Selection , Female , Follow-Up Studies , Heart Defects, Congenital/mortality , Humans , Male , Middle Aged , Postoperative Period , Retrospective Studies , Survival Rate/trends , Time Factors , United States/epidemiology , Young Adult
12.
Ann Thorac Surg ; 112(4): 1335-1341, 2021 10.
Article in English | MEDLINE | ID: mdl-33058822

ABSTRACT

BACKGROUND: This study evaluated hepatic stiffness by shear wave elastography to investigate subclinical hepatic changes in a cohort of patients with congenital biventricular heart disease (BHD). METHODS: The BHD patients and age-matched healthy controls were prospectively recruited for hepatic ultrasonography and shear wave elastography. Real-time B-mode imaging with Doppler was performed for celiac axis, superior mesenteric artery, and main portal vein, and hepatic shear wave elastography was assessed. Vascular Doppler indices included peak velocities; velocity time integral, resistive, pulsatility, and acceleration indices; and portal vein volumetric flow. One-way analysis of variance was used for comparisons between controls, BHD, and a cohort of Glenn and Fontan patients. RESULTS: In all, 66 subjects were included. Thirty-six subjects were in the BHD group (male, 25; female, 11; mean age 27.4 ± 4.6 years; mean weight 76.8 ± 18.5 kg), and 30 were healthy controls (male, 11; female, 23, mean age 27.4 ± 3.8 years; mean weight 70 ± 17.2 kg). Shear wave elastography was increased in BHD (8.11 ± 2.07 kPa) compared with controls (5.44 ± 1.18 kPa; P < .001). Hepatic stiffness in BHD was significantly different from that in the Fontan cohort but not in the infant Glenn cohort. CONCLUSIONS: Increased hepatic stiffness was observed in young adults with repaired BHD. Although cause is not established, possibilities include hepatic congestion early in life or elevated central venous pressures due to right heart burden. Further research is required to determine whether these patients will ultimately have clinically relevant liver disease.


Subject(s)
Elasticity Imaging Techniques , Fontan Procedure , Heart Defects, Congenital/surgery , Liver/diagnostic imaging , Liver/pathology , Postoperative Complications/diagnostic imaging , Postoperative Complications/pathology , Adult , Female , Humans , Male , Prospective Studies , Young Adult
13.
J Am Coll Cardiol ; 77(13): 1644-1655, 2021 04 06.
Article in English | MEDLINE | ID: mdl-33795039

ABSTRACT

BACKGROUND: Adults with congenital heart disease (CHD) have been considered potentially high risk for novel coronavirus disease-19 (COVID-19) mortality or other complications. OBJECTIVES: This study sought to define the impact of COVID-19 in adults with CHD and to identify risk factors associated with adverse outcomes. METHODS: Adults (age 18 years or older) with CHD and with confirmed or clinically suspected COVID-19 were included from CHD centers worldwide. Data collection included anatomic diagnosis and subsequent interventions, comorbidities, medications, echocardiographic findings, presenting symptoms, course of illness, and outcomes. Predictors of death or severe infection were determined. RESULTS: From 58 adult CHD centers, the study included 1,044 infected patients (age: 35.1 ± 13.0 years; range 18 to 86 years; 51% women), 87% of whom had laboratory-confirmed coronavirus infection. The cohort included 118 (11%) patients with single ventricle and/or Fontan physiology, 87 (8%) patients with cyanosis, and 73 (7%) patients with pulmonary hypertension. There were 24 COVID-related deaths (case/fatality: 2.3%; 95% confidence interval: 1.4% to 3.2%). Factors associated with death included male sex, diabetes, cyanosis, pulmonary hypertension, renal insufficiency, and previous hospital admission for heart failure. Worse physiological stage was associated with mortality (p = 0.001), whereas anatomic complexity or defect group were not. CONCLUSIONS: COVID-19 mortality in adults with CHD is commensurate with the general population. The most vulnerable patients are those with worse physiological stage, such as cyanosis and pulmonary hypertension, whereas anatomic complexity does not appear to predict infection severity.


Subject(s)
COVID-19 , Cardiac Surgical Procedures , Cyanosis , Heart Defects, Congenital , Hypertension, Pulmonary , Adult , COVID-19/mortality , COVID-19/therapy , COVID-19 Testing/methods , Cardiac Surgical Procedures/methods , Cardiac Surgical Procedures/statistics & numerical data , Causality , Comorbidity , Cyanosis/diagnosis , Cyanosis/etiology , Cyanosis/mortality , Female , Global Health/statistics & numerical data , Heart Defects, Congenital/classification , Heart Defects, Congenital/epidemiology , Heart Defects, Congenital/physiopathology , Heart Defects, Congenital/therapy , Hospitalization/statistics & numerical data , Humans , Hypertension, Pulmonary/diagnosis , Hypertension, Pulmonary/etiology , Hypertension, Pulmonary/mortality , Male , Mortality , Patient Acuity , Risk Factors , SARS-CoV-2/isolation & purification , Symptom Assessment
14.
Anal Chem ; 82(1): 163-71, 2010 Jan 01.
Article in English | MEDLINE | ID: mdl-20000356

ABSTRACT

Herein, we employ the unique chemical properties of the quaternary amine present in thiocholine (2-mercapto-N,N,N-trimethyl-ethanaminium) in conjunction with alkaline beta-elimination and Michael addition (BEMA) reactions for the specific detection, identification, and quantitation of phosphorylated serine/threonine containing peptides. Through replacement of the phosphate with thiocholine, the negative charge on the phosphopeptide is switched to a quaternary amine containing a permanent positive charge. This strategy resulted in a 100-fold increase in ionization sensitivity during ESI (sub-500 amol/microL detection limit) accompanied by a markedly enhanced production of informative peptidic fragment ions during CID that dramatically increase sequence coverage. Moreover, the definitive localization of phosphorylated residues is greatly facilitated through the generation of diagnostic triads of fragmentation ions resulting from peptide bond cleavage and further neutral loss of either trimethylamine (-59 Da) or thiocholine thiolate (-119 Da) during collision induced dissociation (CID) in tandem mass spectrometry (MS(2) and MS(3)). Synthesis of stable isotope labeled thiocholine enabled the quantitation of protein phosphorylation with high precision by ratiometric comparisons using heavy and light thiocholine. Collectively, this study demonstrates a sensitive and efficient strategy for mapping of phosphopeptides by BEMA using thiocholine through the production of a diagnostic repertoire of unique fragment ions during liquid chromatography-tandem mass spectrometry (LC-MS(2)/MS(3)) analyses, facilitating phosphosite identification and quantitative phosphoproteomics.


Subject(s)
Group IV Phospholipases A2/chemistry , Thiocholine/chemistry , Animals , Cell Line , Gene Expression Regulation , Group IV Phospholipases A2/metabolism , Insecta , Molecular Structure , Phosphorylation
15.
J Am Heart Assoc ; 9(11): e015730, 2020 06 02.
Article in English | MEDLINE | ID: mdl-32419592

ABSTRACT

Background Patient-reported outcome metrics (PROs) quantify important outcomes in clinical trials and can be sensitive measures of patient experience in clinical practice. Currently, there is no validated disease-specific PRO for adults with congenital heart disease (ACHD). Methods and Results We conducted a preliminary psychometric validation of a novel ACHD PRO. ACHD patients were recruited prospectively from 2 institutions and completed a series of questionnaires, a physician health assessment, and a 6-minute walk test. Participants returned to complete the same questionnaires and assessment 3 months±2 weeks later. We tested the internal consistency and test-retest reliability by comparing responses among clinically stable patients at the 2 study visits. We assessed convergent and divergent validity by comparison of ACHD PRO responses to existing validated questionnaires. We assessed responsiveness by comparison with patient-reported clinical change. One hundred three patients completed 1 study visit and 81 completed both. The ACHD PRO demonstrated good internal consistency in each of its 5 domains (Cronbach's α: 0.87; 0.74; 0.74; 0.90; and 0.89, respectively) and in the overall summary score (0.92). Test-retest reliability was good with an intraclass correlation ≥0.73 for all domains and 0.78 for the Summary Score. The ACHD PRO accurately assessed domain concepts based on comparison with validated standards. Preliminary estimates of responsiveness suggest sensitivity to clinical status. Conclusions These studies provide initial support for the validity and reliability of the ACHD PRO. Further studies are needed to assess its sensitivity to changes in clinical status.


Subject(s)
Health Status Indicators , Heart Defects, Congenital/diagnosis , Patient Reported Outcome Measures , Adolescent , Adult , Age Factors , District of Columbia , Female , Heart Defects, Congenital/physiopathology , Heart Defects, Congenital/psychology , Humans , Male , Mental Health , Middle Aged , Predictive Value of Tests , Prospective Studies , Psychometrics , Quality of Life , Reproducibility of Results , Symptom Assessment , Texas , Walk Test , Young Adult
16.
Clin Case Rep ; 7(3): 435-437, 2019 Mar.
Article in English | MEDLINE | ID: mdl-30899466

ABSTRACT

The use of alternative arterial access and advanced imaging is not only applicable to mainstream adult cardiology, but helpful and sometimes necessary in taking care of adult patients with complex congenital heart disease.

17.
Am J Cardiol ; 123(12): 2002-2005, 2019 06 15.
Article in English | MEDLINE | ID: mdl-30967286

ABSTRACT

Depression in adults with congenital heart disease is highly prevalent and strongly associated with adverse prognosis. Better management of risk factors for depression may improve clinical outcomes in this population. We conducted a single-site, cross-sectional study of 78 adults with congenital heart disease followed at Washington University School of Medicine. Data considered in the analyses included retrospectively obtained clinical information and patients' self-assessed psychosocial functioning and health status. To identify the clinical and psychosocial variables associated with depression, we built a stepwise multivariate model to measure the relative contribution of these variables to depression status. The prevalence of depression in our sample was 26%. Our model accounted for approximately 67% of the variability in depression scores. The final model consisted of the Cardiac Denial of Impact Scale, expectations domain of Barriers to Care, and the energy and social domains of the Rand 36-Item Short Form Health Survey. Clinical variables did not predict variability in depression scores. In conclusion, greater cardiac denial and negative expectations of the healthcare team were associated with increased depression symptoms in ACHD.


Subject(s)
Denial, Psychological , Depressive Disorder/epidemiology , Heart Defects, Congenital/psychology , Adult , Cross-Sectional Studies , Female , Health Status , Humans , Male , Middle Aged , Motivation , Prevalence , Retrospective Studies , Surveys and Questionnaires
18.
J Psychosom Res ; 124: 109762, 2019 09.
Article in English | MEDLINE | ID: mdl-31443808

ABSTRACT

OBJECTIVE: This study aimed to examine the association between physical activity (PA) and depression in a large international cohort of adults with congenital heart disease (ACHD) as data about the differential impact of PA type on depression in this population are lacking. METHODS: In 2018, we conducted a cross-sectional assessment of 3908 ACHD recruited from 24 ACHD-specialized centers in 15 countries between April 2013 to March 2015. The Hospital Anxiety and Depression Scale was used to assess self-reported depressive symptoms and the Health-Behavior Scale-Congenital Heart Disease was used to collect PA information. Cochran-Armitage tests were performed to assess trends between depressive symptom levels and PA participation. Chi-Square and Wilcoxon Rank Sum tests were utilized to examine relations between depressive symptom levels and patient characteristics. Stepwise multivariable models were then constructed to understand the independent impact of PA on depressive symptoms. RESULTS: The overall prevalence of elevated depressive symptoms in this sample was 12% with significant differences in rates between countries (p < .001). Physically active individuals were less likely to be depressed than those who were sedentary. Of the 2 PA domains examined, sport participation rather than active commute was significantly associated with reduced symptoms of depression. After adjustment in multivariable analysis, sport participation was still significantly associated with 38% decreased probability of depressive symptoms (p < .001). CONCLUSIONS: Sport participation is independently associated with reduced depressive symptoms. The development and promotion of sport-related exercise prescriptions uniquely designed for ACHD may improve depression status in this unique population.


Subject(s)
Depression/physiopathology , Exercise , Heart Defects, Congenital/psychology , Internationality , Adult , Cohort Studies , Cross-Sectional Studies , Depression/complications , Female , Health Behavior , Heart Defects, Congenital/complications , Heart Defects, Congenital/physiopathology , Humans , Male , Prevalence , Self Report
19.
Int J Cardiol ; 269: 97-103, 2018 Oct 15.
Article in English | MEDLINE | ID: mdl-30060972

ABSTRACT

BACKGROUND: Characteristics of hospitalizations including healthcare utilization for adult patients with congenital heart disease (ACHD) at the time of implantable cardioverter defibrillator (ICD) placement has not been well studied. METHODS: We analyzed data from the 2002-2014 United States National Inpatient Sample (NIS). ICD implantation, CHD, complications, and indications for admissions were determined based on diagnostic codes among adults. Propensity score matching was performed, based on age, sex and in-hospital mortality index with a 10:1 ratio between adults without CHD and those with CHD, to determine relative healthcare utilization attributable to CHD. RESULTS: ACHD accounted for 136,509 ±â€¯3488 admissions of which 1451 ±â€¯121 admissions (1.1 ±â€¯0.06%) were associated with an ICD placement. ICD placement occurred most frequently among patients with TOF, VSD, and transposition complexes usually in the context of a dysrhythmia. Compared to those without CHD, ACHD patients had higher adjusted total hospital charges ($147,002 ±â€¯5516 vs $132,455 ±â€¯2182; p < 0.001), length of stay (6.2 ±â€¯0.5 vs 5.2 ±â€¯0.1 days; p < 0.001), lower readmission score (5.5 ±â€¯0.5 vs 9.7 ±â€¯0.1; p = 0.04) and a higher complication rate (13.4% vs 8.3%; p < 0.001). Dysrhythmias were more frequently the primary diagnosis for admission in the ACHD cohort (63% vs 38%; p < 0.001). CONCLUSION: Compared to a matched non-CHD population, ACHD patients had greater healthcare utilization and had more frequent complications. The reasons underlying this difference bear investigation to improve care quality.


Subject(s)
Databases, Factual/trends , Defibrillators, Implantable/trends , Heart Defects, Congenital/epidemiology , Heart Defects, Congenital/surgery , Patient Admission/trends , Adult , Aged , Female , Heart Defects, Congenital/diagnosis , Humans , Male , Middle Aged
20.
Congenit Heart Dis ; 13(6): 967-977, 2018 Nov.
Article in English | MEDLINE | ID: mdl-30259669

ABSTRACT

OBJECTIVE: Growth in the adults with congenital heart disease (ACHD) population represents a challenge to the health care infrastructure. As patients with chronic disease are increasingly held accountable for their own care, contributors to disease-specific health knowledge, which are known to correlate with patients' participation in care, merit investigation to design patient-focused interventions. DESIGN: We conducted a single-site, cross-sectional study of ACHD patients. Investigators retrospectively gathered clinical data as well as psychometric and health status assessments completed at the time of enrollment. OUTCOME MEASURES: We investigated the impact of clinical and psychological variables on Leuven Knowledge Questionnaire for Congenital Heart Diseases health knowledge composite scores (HKCS). Variables with significant associations were considered in a stepwise multivariable regression model to determine which combination of variables jointly explained variability in HKCS. RESULTS: Overall HKCS was associated with the number of prior cardiac surgeries (r = 0.273; 95% CI: 0.050-0.467; P = .016), perceived stress (r = 0.260; 95% CI: 0.033-0.458; P = .024), SF-36 emotional well-being (r = -0.251; 95% CI: -0.451, -0.024; P = .030), history of noncardiac surgery (P = .037), cirrhosis (P = .048), and presence of implantable cardioverter-defibrillator (P = .028). On multivariable modeling, only the number of cardiac surgeries was found to correlate with HKCS. CONCLUSIONS: While univariate correlations were found between HCKS and several other clinical and psychological variables, only number of prior cardiac surgeries independently correlated with disease-specific health knowledge in ACHD patients. These results suggest that clinical and psychological variables are not impediments to disease-specific health knowledge.


Subject(s)
Delivery of Health Care/standards , Health Knowledge, Attitudes, Practice , Health Status , Heart Defects, Congenital/psychology , Adult , Cardiac Surgical Procedures , Cross-Sectional Studies , Female , Heart Defects, Congenital/epidemiology , Heart Defects, Congenital/surgery , Humans , Incidence , Male , Middle Aged , Missouri/epidemiology , Retrospective Studies , Surveys and Questionnaires
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