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Chung YR, Park SJ, Moon KY, Choi SA, Lim HS, Park SW, Kim JH, Lee K. Diabetic retinopathy is associated with diastolic dysfunction in type 2 diabetic patients with non-ischemic dilated cardiomyopathy. Cardiovasc Diabetol 2017; 16:82. [PMID: 28683825 PMCID: PMC5500965 DOI: 10.1186/s12933-017-0566-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 06/20/2017] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND To investigate the association between diabetic retinopathy (DR) and myocardial dysfunction in patients with type 2 diabetes and dilated cardiomyopathy (dCMP). METHODS Data were collected retrospectively from 89 patients with dCMP (46 with type 2 diabetes and 43 without diabetes) and no evidence of coronary artery disease. Echocardiographic parameters and laboratory data, including lipid profiles and fundus findings, were obtained from medical records. A left ventricular ejection fraction (LVEF) less than 40% was considered impaired systolic function, while an E/E' ratio greater than 15 was considered elevated left ventricular (LV) filling pressure. RESULTS Baseline characteristics show that LVEF was not significantly different between patients with and without diabetes or between diabetic patients with and without DR. Among the diastolic function parameters, patients with DR exhibited higher E/E' ratios (left ventricular filling pressures) than patients without DR (23.75 ± 13.37 vs 11.71 ± 3.50, P = 0.022). Logistic regression analysis revealed that statin use lowered the risk of impaired systolic dysfunction in all patients (odds ratio (OR) 0.33, 95% confidence interval (CI) 0.12-0.92, P = 0.034) and in patients with diabetes (OR 0.273, 95% CI 0.08-0.99, P = 0.049), while the presence of DR was associated with a higher risk of elevated LV filling filling pressure in patients with diabetes (OR 18.00, 95% CI 1.50-216.62, P = 0.023). CONCLUSIONS In conclusion, DR was associated with elevated LV filling pressure in patients with dCMP. DR may not only represent microvascular long-term complications in patients with diabetes but may also be associated with more advanced form of diastolic dysfunction among diabetic patients with cardiomyopathy.
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Seo KW, Lim HS, Yoon MH, Tahk SJ, Choi SY, Choi BJ, Yang HM, Shin JH, Hwang GS, Park JS, Jin X. The impact of microvascular resistance on the discordance between anatomical and functional evaluations of intermediate coronary disease. EUROINTERVENTION 2017; 13:e185-e192. [PMID: 28134124 DOI: 10.4244/eij-d-16-00400] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
AIMS In intermediate coronary artery disease, discordance between anatomical and functional assessments persists and the diagnostic accuracy of an anatomical evaluation is not satisfactory for determining functional significance. We aimed to evaluate the impact of microvascular resistance on "anatomical-functional discordance". METHODS AND RESULTS In 97 intermediate coronary lesions of 83 patients, minimum lumen area (MLA), fractional flow reserve (FFR), Δ(Pd/Pa-FFR), and hyperaemic microvascular resistance index (hMVRI) were measured using intravascular ultrasound and an intracoronary dual pressure and Doppler sensor-tipped guidewire. hMVRI correlated with FFR and Δ(Pd/Pa-FFR) (r=0.611, p<0.001; r=-0.509, p<0.001; respectively). After the lesions were categorised into four groups based on functional significance (FFR 0.8) and the MLA cut-off for that (2.5 mm2), hMVRI was higher with a lower Δ(Pd/Pa-FFR) regardless of the MLA group in lesions with FFR >0.8, compared with those in lesions with FFR ≤0.8. hMVRI was independently associated with FFR and Δ(Pd/Pa-FFR) (β=0.443, p<0.001; β=-0.389, p<0.001; respectively). CONCLUSIONS Coronary microvascular resistance is associated with anatomical-functional discordance and the ischaemic potential of intermediate epicardial stenosis. In determining a treatment strategy, anatomy alone is insufficient and an integrated physiologic approach is important.
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Kim HY, Doh JH, Lim HS, Nam CW, Shin ES, Koo BK, Lee JM, Park TK, Yang JH, Song YB, Hahn JY, Choi SH, Gwon HC, Choe YH, Choi JH. TCTAP A-093 Identification of Coronary Artery Side Branch Supplying Myocardial Mass Which May Benefit from Revascularization. J Am Coll Cardiol 2017. [DOI: 10.1016/j.jacc.2017.03.133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Ryu S, Park S, Lee JH, Kim YR, Na HS, Lim HS, Choi HY, Hwang IY, Lee JG, Park ZW, Oh WY, Kim JM, Choi SE. A Study on CYP2C19 and CYP2D6 Polymorphic Effects on Pharmacokinetics and Pharmacodynamics of Amitriptyline in Healthy Koreans. Clin Transl Sci 2017; 10:93-101. [PMID: 28296334 PMCID: PMC5355968 DOI: 10.1111/cts.12451] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 01/13/2017] [Indexed: 12/16/2022] Open
Abstract
We performed a double-blinded, genotype-based stratification study to explore the pharmacokinetics and pharmacodynamics of amitriptyline according to CYP2C19 and CYP2D6 genotype in Korean subjects. Twenty-four healthy adults were grouped by genotype of CYP2C19 and CYP2D6. After a single dose of 25 mg of amitriptyline, blood samples were collected and anticholinergic effects were measured. The extent of N-demethylation of amitriptyline significantly decreased in subjects carrying two nonfunctional alleles of CYP2C19. The extent of hydroxylation of amitriptyline or nortriptyline was significantly reduced in subjects carrying two CYP2D6 decreased functional alleles compared with those with no or one decreased functional allele. The overall metabolic pathway of amitriptyline was more likely to be dominated by CYP2C19 than CYP2D6. The gene variations of CYP2C19 and CYP2D6 did not change the pharmacodynamic effect. The findings of this study will provide useful information on individualized drug treatment with amitriptyline considering both CYP2D6 and CYP2C19 gene variations.
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Kim HY, Doh JH, Lim HS, Nam CW, Shin ES, Koo BK, Lee JM, Park TK, Yang JH, Song YB, Hahn JY, Choi SH, Gwon HC, Lee SH, Kim SM, Choe Y, Choi JH. Identification of Coronary Artery Side Branch Supplying Myocardial Mass That May Benefit From Revascularization. JACC Cardiovasc Interv 2017; 10:571-581. [DOI: 10.1016/j.jcin.2016.11.033] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 10/20/2016] [Accepted: 11/17/2016] [Indexed: 10/20/2022]
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Kim HY, Doh JH, Lim HS, Yoon MH, Kang DK, Nam CW, Koo BK, Kim EK, Tahk SJ, Shin ES, Kim SM, Choe Y, Choi JH. TCT-514 Comparison of angiographic scores and fractional myocardial mass: Use of fractional myocardial mass for comprehensive evaluation of coronary artery disease. J Am Coll Cardiol 2016. [DOI: 10.1016/j.jacc.2016.09.651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Yoon D, Sheen SS, Lee S, Choi YJ, Park RW, Lim HS. Statins and risk for new-onset diabetes mellitus: A real-world cohort study using a clinical research database. Medicine (Baltimore) 2016; 95:e5429. [PMID: 27861386 PMCID: PMC5120943 DOI: 10.1097/md.0000000000005429] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Although concern regarding the increased risk for new-onset diabetes mellitus (NODM) after statin treatment has been raised, there has been a lack of evidence in real-world clinical practice, particularly in East Asians. We investigated whether statin use is associated with risk for NODM in Koreans. We conducted a retrospective cohort study using the clinical research database from electronic health records. The study cohort consisted of 8265 statin-exposed and 33,060 matched nonexposed patients between January 1996 and August 2013. Matching at a 1:4 ratio was performed using a propensity score based on age, gender, baseline glucose levels (mg/dL), and hypertension. The comparative risks for NODM with various statins (atorvastatin, fluvastatin, pitavastatin, pravastatin, rosuvastatin, and simvastatin) were estimated by both statin exposure versus matched nonexposed and within-class comparisons. The incidence of NODM among the statin-exposed group (6.000 per 1000 patient-years [PY]) was higher than that of the nonexposed group (3.244 per 1000 PY). The hazard ratio (HR) of NODM after statin exposure was 1.872 (95% confidence interval [CI], 1.432-2.445). Male gender (HR, 1.944; 95% CI, 1.497-2.523), baseline glucose per mg/dL (HR, 1.014; 95% CI, 1.013-1.016), hypertension (HR, 2.232; 95% CI, 1.515-3.288), and thiazide use (HR, 1.337; 95% CI, 1.081-1.655) showed an increased risk for NODM, while angiotensin-converting enzyme inhibitor or angiotensin II receptor blocker showed a decreased risk (HR, 0.774; 95% CI, 0.668-0.897). Atorvastatin-exposed patients showed a higher risk for NODM than their matched nonexposed counterparts (HR, 1.939; 95% CI, 1.278-2.943). However, the risk for NODM was not significantly different among statins in within-class comparisons. In conclusion, an increased risk for NODM was observed among statin users in a practical healthcare setting in Korea.
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Lee J, Noh Y, Shin S, Lim HS, Park RW, Bae SK, Oh E, Kim GJ, Kim JH, Lee S. Impact of statins on risk of new onset diabetes mellitus: a population-based cohort study using the Korean National Health Insurance claims database. Ther Clin Risk Manag 2016; 12:1533-1543. [PMID: 27785041 PMCID: PMC5066992 DOI: 10.2147/tcrm.s117150] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Statin therapy is beneficial in reducing cardiovascular events and mortalities in patients with atherosclerotic cardiovascular diseases. Yet, there have been concerns of increased risk of diabetes with statin use. This study was aimed to evaluate the association between statins and new onset diabetes mellitus (NODM) in patients with ischemic heart disease (IHD) utilizing the Korean Health Insurance Review and Assessment Service claims database. Among adult patients with preexisting IHD, new statin users and matched nonstatin users were identified on a 1:1 ratio using proportionate stratified random sampling by sex and age. They were subsequently propensity score matched further with age and comorbidities to reduce the selection bias. Overall incidence rates, cumulative rates and hazard ratios (HRs) between statin use and occurrence of NODM were estimated. The subgroup analyses were performed according to sex, age groups, and the individual agents and intensities of statins. A total of 156,360 patients (94,370 in the statin users and 61,990 in the nonstatin users) were included in the analysis. The incidence rates of NODM were 7.8% and 4.8% in the statin users and nonstatin users, respectively. The risk of NODM was higher among statin users (crude HR 2.01, 95% confidence interval [CI] 1.93–2.10; adjusted HR 1.84, 95% CI 1.63–2.09). Pravastatin had the lowest risk (adjusted HR 1.54, 95% CI 1.32–1.81) while those who were exposed to more than one statin were at the highest risk of NODM (adjusted HR 2.17, 95% CI 1.93–2.37). It has been concluded that all statins are associated with the risk of NODM in patients with IHD, and it is believed that our study would contribute to a better understanding of statin and NODM association by analyzing statin use in the real-world setting. Periodic screening and monitoring for diabetes are warranted during prolonged statin therapy in patients with IHD.
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Raine D, Begg G, Moore J, Taylor E, Buck R, Honarbakhsh S, Yew Ding W, Redfearn D, Opel A, Opel A, Thomas D, Prakash K, Thomas D, Khokhar A, Honarbakhsh S, Tairova S, Getman N, McAloon C, Honarbakhsh S, Shah M, Al-Lawati K, Al-Lawati K, Ensam B, Collins G, Akbar S, Merghani A, Furniss G, Yones E, Vijayashankar SS, Vijayashankar SS, Shariat H, Moss A, Yeoh A, Sadiq A, Taylor R, Edwards T, Nizam ud Din K, Langley P, Shepherd E, Murray S, Lord S, Bourke J, Plein S, Lip G, Tayebjee MH, Owen N, White S, O'Neill M, Hughes L, Carroll S, Moss-Morris R, Baker V, Kirkby C, Patel K, Robinson G, Antoniou S, Richmond L, Ullah W, Hunter R, Finlay M, Earley M, Whitbread M, Schilling R, Cooper R, Modi S, Somani R, Ng A, Hobson N, Caldwell J, Hadjivassilev S, Ang R, Finlay M, Dhinoja M, Earley M, Sporton S, Schilling R, Hunter R, Hadjivassilev S, Earley M, Lambiase P, Turley A, Child N, Linker N, Owens W, James S, Milner J, Tayebjee M, Sibley J, Griffiths A, Meredith T, Basher Y, Betts T, Rajappan K, Lambiase P, Lowe M, Hunter R, Schilling R, Finlay M, Rakhimbaeva G, Akramova N, Getman T, Hamborg T, O'Hare J, Randeva H, Osman F, Srinivasan N, Kirkby C, Firman E, Tobin L, Murphy C, Lowe M, Hunter R, Finlay M, Schilling R, Lambiase P, Mohan P, Salahia G, Lim H, Lim HS, Batchvarov V, Brennan P, Cox A, Muir A, Behr E, Hamill S, Laventure C, Newell S, Gordon B, Bashir K, Chuen J, Foster W, Yusuf S, Osman F, Hayat S, Panagopoulos D, Davies E, Tomlinson D, Haywood G, Mullan J, Kelland N, Horwood A, Connell N, Odams S, Maloney J, Shetty A, Kyriacou A, Sahu J, Lee J, Uzun O, Wong A, Ashtekar S, Uzun O, Wong A, Ashtekar S, Hashemi J, Gazor S, Redfearn D, Song A, Jenkins J, Glancy J, Wilson D, Sammut E, Diab I, Cripps T, Gill A, Abbas S, Enye J, Wahab A, Elshafie S, Ling K, Carey P, Chatterjee D, Timbrell S, Tufail W, Why H, Martos R, Thornley A, James S, Turley A, Bates M, Linker N, Hassan E, Quick J, Cowell R, Ho E. POSTERS (1)59MULTIPOLAR CONTACT MAPPING GUIDED ABLATION OF TEMPORALLY STABLE HIGH FREQUENCY AND COMPLEX FRACTIONATED ATRIAL ELECTROGRAM SITES IN PATIENTS WITH PERSISTENT ATRIAL FIBRILLATION60INTRA-CARDIAC AND PERIPHERAL LEVELS OF BIOCHEMICAL MARKERS OF FIBROSES IN PATIENTS UNDERGOING CATHETER ABLATION FOR ATRIAL FIBRILATION61THE DON'T WAIT TO ANTICOAGULATE PROJECT (DWAC) BY THE WEST OF ENGLAND ACADEMIC HEALTH SCIENCE NETWORK (AHSN) OPTIMISES STROKE PREVENTION FOR PATIENTS WITH ATRIAL FIBRILLATION (AF) WITHIN PRIMARY CARE IN LINE WITH NICE CG180 IN THE WEST OF ENGLAND62ILLNESS AND TREATMENT REPRESENTATIONS, COPING AND DISTRESS: VICIOUS CYCLES OF EVERYDAY EXPERIENCES IN PATIENTS WITH PERSISTENT ATRIAL FIBRILLATION63THE NEEDS OF THE ADOLESCENT LIVING WITH AN INHERITED CARDIAC CONDITION: THE PATIENTS' PERSPECTIVE64SAFETY AND EFFICACY OF PARAMEDIC TREATMENT OF REGULAR SUPRAVENTRICULAR TACHYCARDIA (PARA-SVT)65NATURAL PROGRESSION OF QRS DURATION FOLLOWING IMPLATABLE CARDIOVERTER DEFIBRILLATORS (ICD) - IMPLANTATION66COMPARISON OF EFFICACY OF VOLTAGE DIRECTED CAVOTRICUSPID ISTHMUS ABLATION USING MINI VS CONVENTIONAL ELETRODES67CRYOBALLOON ABLATION (CRYO) FOR ATRIAL FIBRILLATION (AF) CANNOT BE GUIDED BY TEMPERATURE END-POINTS ALONE68MODERATOR BAND ECTOPY UNMASKED BY ADENOSINE AS A CAUSE OF ECTOPIC TRIGGERED IDIOPATHIC VF69EARLY CLINICAL EXPERIENCE WITH TARGETED SITE SELECTION FOR THE WiCS-LV ELECTRODE FOR CRT70DOES VECTOR MAPPING PRIOR TO IMPLANTABLE LOOP RECORDER INSERTION IMPROVE THE DETECTION OF ARRHYTHMIA?71THE ROLE OF SPECKLE TRACKING STRAIN IMAGING IN ASSESSING LEFT VENTRICULAR RESPONSE TO CARDIAC RESYNCHRONISATION THERAPY IN RESPONDERS AND NON-RESPONDERS72EVALUATING PATIENTS' EXPERIENCE AND SATISFACTION OF THE ATRIAL FIBRILLATION ABLATION PROCEDURE: A RETROSPECTIVE ANALYSIS73TROUBLESHOOTING LV LEAD IMPLANTATION - NOVEL “UNIRAIL TECHNIQUE”74SUBCLINICAL ATHEROSCELEROSIS AND COGNITIVE IMPAIRMENT75EFFECT OF LOZARTANE ON DEVELOPMENT OF THE ELECTRICAL INSTABILITY OF THE MYOCARDIUM76THE INTERPLAY BETWEEN BODY COMPOSITION AND LEFT VENTRICULAR REMODELLING IN CARDIAC RESYNCHRONISATION THERAPY77FAMILY SCREENING IN IDIOPATHIC VENTRICULAR FIBRILLATION78MANAGEMENT OF ATRIAL FIBRILLATION IN A LARGE TEACHING HOSPITAL79THE EFFECT OF LEFT VENTRICULAR LEAD POSITION ON SURVIVAL IN PATIENTS WITH BINVENTRICULAR PACEMAKRS/DEFIBRILLATORS80ACUTE DEVICE IMPLANT-RELATED COMPLICATIONS DO NOT INCREASE LATE MORTALITY81ABORTED CARIDAC ARREST AS THE SENTINEL PRESENTATION IN A COHORT OF PATIENTS WITH THE CONCEALED BRUGADA PHENOTYPE82POST-CARDIAC DEVICE IMPLANTATION MOBILISATION ADVICE: A NATIONAL SURVEY83DO RISK SCORES DEVELOPED TO PROTECT ONE-YEAR MORTALITY ACTUALLY HELP IN ACCURATELY SELECTING PATIENTS RECEIVING PRIMARY PREVENTION ICD?84ATRIAL TACHYCARDIA ARISING FROM THE NON-CORONARY AORTIC CUSP85THE EFFECT OF DIFFERENT ATRIAL FIBRILLATION ABLATION STRATEGIES ON SURFACE ECG P WAVE DURATION86PRESCRIBING DRONEDARONE: HOW IS IT DONE ACROSS THE UK AND IS IT SAFE?87A CASE OF WIDE COMPLEX TACHYCARDIA88TRANSITION TO DEDICATED DAY CASE DEVICES - SAFETY AND EFFICACY IN A LARGE VOLUME CENTRE89SEQUENTIAL REGIONAL DOMINANT FREQUENCY MAPPING DURING ATRIAL FIBRILLATION: A NOVEL TEQUNIQUE90ELECTIVE CARDIOVERSION ENERGY PROTOCOLS: A RETROSPECTIVE COMPARISON OF ESCALATION STRATEGIES91THE INCIDENCE OF CLINCALLY RELEVANT HAEMATOMAS WITH PERIOPERATIVE USE OF NEWER P2Y12 INHIBITORS AND INTERRUPTED NOAC THERAPY IN CARDIAC IMPLANTABLE ELECTRONIC DEVICE INSERTION92AN AUDIT OF THE OUTCOMES FOR CHEMICAL AND DIRECT CURRENT CARDIOVERSION FOR ATRIAL FIBRILLATION AT OUR DGH OVER A 3 YEAR DURATION93REAL LIFE ACUTE MANAGEMET OF HAEMODYNAMICALLY TOLERATED MONOMORPHIC VENTRICULAR TACHYCARDIA. ARE WE MAKING EVIDENCE BASED ON DECISIONS?94A SERVICE EVALUATION TO ASSESS THE EFFICACY AND SAFETY OF NOVEL ORAL ANTICOAGULANTS VERSUS WARFARIN FOR ELECTIVE CARDIVERSION IN PATIENTS WITH NON VALVULAR AF IN A NURSE LED CARDIOVERSION SERVICE95PICK UP RATE OF IMPLANTED LOOP RECORDER AT A DISTRICT HOSPITAL. Europace 2016. [DOI: 10.1093/europace/euw273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Choi YW, Lim HS, Tahk SJ, Yoon MH, Yang HM, Jin XJ. Angiographic spontaneous pseudo-resolution of a coronary artery aneurysm after implantation of a sirolimus-eluting stent. Korean J Intern Med 2016; 31:987-90. [PMID: 26813572 PMCID: PMC5016274 DOI: 10.3904/kjim.2014.340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Revised: 05/21/2015] [Accepted: 07/31/2015] [Indexed: 11/27/2022] Open
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Choi HY, Choi S, Kim YH, Lim HS. Population Pharmacokinetic and Pharmacodynamic Modeling Analysis of GCC-4401C, a Novel Direct Factor Xa Inhibitor, in Healthy Volunteers. CPT-PHARMACOMETRICS & SYSTEMS PHARMACOLOGY 2016; 5:532-543. [PMID: 27511836 PMCID: PMC5080649 DOI: 10.1002/psp4.12103] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Revised: 06/06/2016] [Accepted: 07/07/2016] [Indexed: 01/02/2023]
Abstract
GCC‐4401C, an orally active direct factor Xa inhibitor that is similar to rivaroxaban, is currently under development for venous thromboembolic disease (VTE). The purpose of this study was to characterize the pharmacokinetics (PKs) and pharmacodynamics (PDs) of GCC‐4401C by population modeling analysis and to predict proper dosage regimens compared to rivaroxaban using data from two phase I clinical studies. Plasma GCC‐4401C concentrations over time were best described by a two‐compartment linear model and body weight was associated with central volume of distribution. Relevant PD markers generally changed in a dose‐dependent manner and were described well with sigmoid, simple maximum effect, or linear models. GCC‐4401C was absorbed more rapidly than rivaroxaban. Comparisons based on simulations of PD marker changes over time suggest that 20 mg and 40 mg of GCC‐4401C administered under fasted status are comparable to 10 mg and 20 mg of rivaroxaban under fed status.
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Yang HM, Khush K, Luikart H, Okada K, Lim HS, Kobayashi Y, Honda Y, Yeung AC, Valantine H, Fearon WF. Invasive Assessment of Coronary Physiology Predicts Late Mortality After Heart Transplantation. Circulation 2016; 133:1945-50. [PMID: 27143679 DOI: 10.1161/circulationaha.115.018741] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Accepted: 03/14/2016] [Indexed: 11/16/2022]
Abstract
BACKGROUND The aim of this study is to determine the prognostic value of invasively assessing coronary physiology early after heart transplantation. METHODS AND RESULTS Seventy-four cardiac transplant recipients had fractional flow reserve, coronary flow reserve, index of microcirculatory resistance (IMR), and intravascular ultrasound performed down the left anterior descending coronary artery soon after (baseline) and 1 year after heart transplantation. The primary end point was the cumulative survival free of death or retransplantation at a mean follow-up of 4.5±3.5 years. The cumulative event-free survival was significantly lower in patients with a fractional flow reserve <0.90 at baseline (42% versus 79%; P=0.01) or an IMR ≥20 measured 1 year after heart transplantation (39% versus 69%; P=0.03). Patients in whom IMR decreased or did not change from baseline to 1 year had higher event-free survival compared with patients with an increase in IMR (66% versus 36%; P=0.03). Fractional flow reserve <0.90 at baseline (hazard ratio, 0.13; 95% confidence interval, 0.02-0.81; P=0.03), IMR ≥20 at 1 year (hazard ratio, 3.93; 95% confidence interval, 1.08-14.27; P=0.04), and rejection during the first year (hazard ratio, 6.00; 95% confidence interval, 1.56-23.09; P=0.009) were independent predictors of death/retransplantation, whereas intravascular ultrasound parameters were not. CONCLUSIONS Invasive measures of coronary physiology (fractional flow reserve and IMR) determined early after heart transplantation are significant predictors of late death or retransplantation.
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Kim HY, Choi JH, Doh JH, Lim HS, Nam CW, Koo BK, Song YB, Hahn JY, Choi SH, Gwon HC. TCTAP A-098 Fractional Myocardial Mass: A Novel Index for the Severity and Extent of Ischemic Burden in Coronary Artery Disease - Functional Severity of Coronary Artery Stenosis Depends on the Amount of Myocardial Mass Subtended by the Coronary Artery Stenosis. J Am Coll Cardiol 2016. [DOI: 10.1016/j.jacc.2016.03.125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Seo J, Park JS, Seo KW, Yang HM, Lim HS, Choi BJ, Choi SY, Yoon MH, Hwang GS, Tahk SJ, Shin JH. NEW ONSET DIABETES MELLITUS INCREASES RATE OF ADVERSE CARDIOVASCULAR EVENTS AFTER ST ELEVATION MYOCARDIAL INFARCTION? J Am Coll Cardiol 2016. [DOI: 10.1016/s0735-1097(16)30510-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Kim JW, Hwang GS, Seo KW, Park JS, Yang HM, Lim HS, Choi BJ, Choi SY, Yoon MH, Tahk SJ. Anatomical Discrepancy Between The Coronary Sinus and the Mitral Annulus by Fluoroscopy. INTERNATIONAL JOURNAL OF ARRHYTHMIA 2016. [DOI: 10.18501/arrhythmia.2016.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Park SJ, Yang HM, Seo KW, Choi SY, Choi BJ, Yoon MH, Hwang GS, Tahk SJ, Sheen SS, Choi BIW, Lim HS. The relationship between coronary atherosclerosis and body fat distribution measured using dual energy X-ray absorptiometry. Atherosclerosis 2016; 248:190-5. [PMID: 27018543 DOI: 10.1016/j.atherosclerosis.2016.03.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Revised: 02/24/2016] [Accepted: 03/10/2016] [Indexed: 01/17/2023]
Abstract
OBJECTIVE Body fat distribution is closely related to cardiovascular diseases. We aimed to evaluate the relationship between truncal fat distribution and the extent of coronary atherosclerosis. METHODS Total body fat and regional body fat distributions were measured using dual-energy X-ray absorptiometry (DXA) in 746 Korean patients who underwent coronary angiography. The ratios of truncal fat mass to total body fat mass (FMtrunk/FMtotal), truncal fat mass to fat mass in both legs (FMtrunk/FMleg) and truncal fat mass to fat mass in both arms (FMtrunk/FMarm) were calculated as representative parameters for truncal fat accumulation. The extent of coronary atherosclerosis was assessed using the Gensini score. RESULTS The mean Gensini score of the patients was 21.3 ± 24.4. FMtrunk/FMtotal, FMtrunk/FMleg and FMtrunk/FMarm revealed positive correlations with the Gensini score (r = 0.242, p < 0.001; r = 0.219, p < 0.001; r = 0.133, p < 0.001, respectively). In contrast, body mass index (BMI) and total body fat mass did not correlate with the Gensini score. On multiple regression analysis, FMtrunk/FMtotal was associated with the Gensini score independently of age, gender, BMI and major risk factors of coronary heart disease (B = 0.039, p < 0.001). CONCLUSION Truncal fat distribution is associated with the extent of coronary atherosclerosis and more clinically relevant to that compared with total body fat or BMI in Korean patients.
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Noh Y, Lee J, Shin S, Lim HS, Bae SK, Oh E, Kim GJ, Kim JH, Lee S. Antiplatelet Therapy of Cilostazol or Sarpogrelate with Aspirin and Clopidogrel after Percutaneous Coronary Intervention: A Retrospective Cohort Study Using the Korean National Health Insurance Claim Database. PLoS One 2016; 11:e0150475. [PMID: 26939062 PMCID: PMC4777511 DOI: 10.1371/journal.pone.0150475] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Accepted: 02/14/2016] [Indexed: 01/08/2023] Open
Abstract
Background/Objectives Addition of cilostazol or sarpogrelate to the standard dual antiplatelet therapy of aspirin and clopidogrel has been implemented in patients that underwent percutaneous coronary intervention (PCI) with stents in Korea. This study aimed to evaluate the efficacy and safety of triple antiplatelet therapies. Methods This retrospective cohort study was performed using the Korean National Insurance Claim Data of the Health Insurance Review and Assessment Service from January 1, 2009 to December 31, 2014. The study cohort population consisted of patients with ischemic heart diseases and a history of PCI. They were treated with antiplatelet therapy of aspirin, clopidogrel (AC); aspirin, clopidogrel, cilostazol (ACCi); or aspirin, clopidogrel, sarpogrelate (ACSa) during the index period from January 1, 2010 to December 31, 2011. During the follow-up period up to December 31, 2014, the major adverse cardiac or cerebral events (MACCE) including death, myocardial infarction, target lesion revascularization, and ischemic stroke were assessed. Bleeding complications were also evaluated as adverse drug events. Results Out of 93,876 patients with PCI during the index period, 69,491 patients started dual (AC) or triple therapy (ACSa or ACCi). The clinical outcomes of comparing ACSa and ACCi therapy showed beneficial effects in the ACSa group in the prevention of subsequent cardiac or cerebral events. After Propensity score-matching between ACSa and ACCi groups, there were significant differences in MI and revascularization, with corresponding HR of 0.38 (95% CI, 0.20–0.73) and 0.66 (95% CI, 0.53–0.82) in ACSa vs. ACCi at 12 months, respectively. At the 24-month follow-up, the triple therapy groups (ACS or ACC) had a higher incidence of MACCE compared to the dual therapy (AC) group; ACSa vs. AC HR of 1.69 (95% CI, 1.62–1.77); ACC vs. AC HR of 1.22 (95% CI, 1.06–1.41). There was no significant difference in severe or life-threatening bleeding risk among three groups; ACSa vs. AC, HR of 0.68 (95% CI, 0.37–1.24), ACCi vs. AC, HR of 0.91 (95% CI, 0.77–1.09). Conclusion Sarpogrelate-containing triple antiplatelet therapy demonstrated comparable rates of MACCE prevention to the conventional dual antiplatelet therapy after PCI without significantly increasing bleeding risk during the two-year follow-up period.
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Jin X, Lim HS, Tahk SJ, Yang HM, Yoon MH, Choi SY, Choi BJ, Yong ASC, Fearon WF, Sheen SS, Seo KW, Shin JH. Impact of Age on the Functional Significance of Intermediate Epicardial Artery Disease. Circ J 2016; 80:1583-9. [DOI: 10.1253/circj.cj-15-1402] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Kobayashi Y, Tonino PAL, De Bruyne B, Yang HM, Lim HS, Pijls NHJ, Fearon WF. The impact of left ventricular ejection fraction on fractional flow reserve: Insights from the FAME (Fractional flow reserve versus Angiography for Multivessel Evaluation) trial. Int J Cardiol 2015; 204:206-10. [PMID: 26670174 DOI: 10.1016/j.ijcard.2015.11.169] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Revised: 11/22/2015] [Accepted: 11/23/2015] [Indexed: 11/28/2022]
Abstract
BACKGROUND Fractional flow reserve (FFR)-guided percutaneous coronary intervention (PCI) significantly improves outcomes compared with angio-guided PCI in patients with multivessel coronary artery disease. However, there is a theoretical concern that in patients with reduced left ventricular ejection fraction (EF) FFR may be less accurate and FFR-guided PCI less beneficial. METHODS From the FAME (Fractional flow reserve versus Angiography for Multivessel Evaluation) trial database, we compared FFR values between patients with reduced EF (both ≤ 40%, n = 90 and ≤ 50%, n = 252) and preserved EF (> 40%, n = 825 and > 50%, n = 663) according to the angiographic stenosis severity. We also compared differences in 1 year outcomes between FFR- vs. angio-guided PCI in patients with reduced and preserved EF. RESULTS Both groups had similar FFR values in lesions with 50-70% stenosis (p = 0.49) and with 71-90% stenosis (p = 0.89). The reduced EF group had a higher mean FFR compared to the preserved EF group across lesions with 91-99% stenosis (0.55 vs. 0.50, p = 0.02), although the vast majority of FFR values remained ≤ 0.80. There was a similar reduction in the composite end point of death, nonfatal myocardial infarction, and repeat revascularization with FFR-guided compared to angio-guided PCI for both the reduced (14.5% vs. 19.0%, relative risk = 0.76, p = 0.34) and the preserved EF group (13.8 vs. 17.0%, relative risk = 0.81, p = 0.25). The results were similar with an EF cutoff of 40%. CONCLUSION Reduced EF has no influence on the FFR value unless the stenosis is very tight, in which case a theoretically explainable, but clinically irrelevant overestimation might occur. As a result, FFR-guided PCI remains beneficial regardless of EF.
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Tremmel JA, Fearon WF, Lee BK, Lim HS, Yong AS, Yamada R, Tanaka S, Lee DP, Yeung AC. Response to Letters Regarding Article, "Invasive Evaluation of Patients With Angina in the Absence of Obstructive Coronary Artery Disease". Circulation 2015; 132:e244. [PMID: 26572677 DOI: 10.1161/circulationaha.115.017741] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Doh JH, Nam CW, Koo BK, Park SH, Lee JH, Han JK, Yang HM, Lim HS, Yoon MH, Cho YK, Hur SH, Lee SY, Kim HS, Tahk SJ. Long-Term Patient-Related and Lesion-Related Outcomes After Real-World Fractional Flow Reserve Use. THE JOURNAL OF INVASIVE CARDIOLOGY 2015; 27:410-415. [PMID: 26332875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
BACKGROUND Long-term clinical outcomes of real-world use of fractional flow reserve (FFR), including the decisions against FFR, have not been fully evaluated in the era of drug-eluting stent (DES) implantation. METHODS A total of 1294 patients who underwent FFR measurement for de novo coronary lesions were included. FFR measured lesions (n = 1628) were divided into FFR-defer or FFR-stent lesions according to the treatment strategy selected after FFR measurement. Clinical outcomes were assessed by patient-related major adverse cardiac event (a composite of all-cause death, myocardial infarction, and any revascularization) and target-lesion related event (target-lesion related myocardial infarction and revascularization). RESULTS Mean FFR was 0.80 ± 0.12, and FFR was ≤0.8 in 728 lesions (44.7%). Five-year cumulative all-death rate was 6.3%, myocardial infarction rate was 1.5%, and rate of any revascularization was 12.5%. Among 797 deferred lesions, 105 lesions had FFR ≤0.8 and those lesions had a higher risk of 5-year target-lesion related events than the lesions with FFR >0.8 (21.2% vs 6.6%, respectively; P=.03). By multivariate analyses, the determinant for the 1-year target-lesion related events was the presence of diabetes (hazard ratio, 3.74; 95% confidence interval, 1.45-9.67; P=.01), while the determinant for delayed events at 1-5 years was FFR ≤0.8 (hazard ratio, 4.50; 95% confidence interval, 1.65-12.28; P=.01). Angiographic lesion severity was not an independent predictor for clinical events during follow-up among deferred lesions. CONCLUSION The deferral of stenting according to FFR was associated with favorable long-term outcomes. Presence of diabetes and low FFR (≤0.8) increased the risk of clinical events in deferred lesions.
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Ahn YH, Lee KS, Park JH, Jung JH, Lee M, Jung YJ, Chung WY, Sheen S, Park KJ, Kim DJ, Kang DR, Lee JD, Yoon S, Jin XJ, Yang HM, Lim HS, Park JS, Shin JH, Tahk SJ. Independent risk factors for mortality in patients with chronic obstructive pulmonary disease who undergo comprehensive cardiac evaluations. Respiration 2015; 90:199-205. [PMID: 26278777 DOI: 10.1159/000437097] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Accepted: 06/18/2015] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Cardiovascular disease is the most common cause of death in chronic obstructive pulmonary disease (COPD). However, the impact of cardiovascular comorbidities on the prognosis of COPD is not well known. OBJECTIVES This study was performed to investigate the effects of cardiovascular comorbidities on the prognosis of COPD. METHODS We enlisted 229 patients with COPD who underwent comprehensive cardiac evaluations including coronary angiography and echocardiography at Ajou University Hospital between January 2000 and December 2012. Survival analyses were performed in this retrospective cohort. RESULTS Kaplan-Meier analyses showed that COPD patients without left heart failure (mean survival = 12.5 ± 0.7 years) survived longer than COPD patients with left heart failure (mean survival = 6.7 ± 1.4 years; p = 0.003), and the survival period of nonanemic COPD patients (mean survival = 13.8 ± 0.8 years) was longer than that of anemic COPD patients (mean survival = 8.3 ± 0.8 years; p < 0.001). The survival period in COPD with coronary artery disease (CAD; mean survival = 11.37 ± 0.64 years) was not different from that in COPD without CAD (mean survival = 11.98 ± 0.98 years; p = 0.703). According to a multivariate Cox regression model, a lower hemoglobin level, a lower left ventricular ejection fraction, and the forced expiratory volume in 1 s (FEV1) were independently associated with higher mortality in the total COPD group (p < 0.05). CONCLUSIONS Hemoglobin levels and left ventricular ejection fraction along with a lower FEV1 were identified as independent risk factors for mortality in COPD patients who underwent comprehensive cardiac evaluations, suggesting that multidisciplinary approaches are required in the care of COPD.
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Wong WS, Lam HMJ, Chen PP, Chow YF, Wong S, Lim HS, Jensen MP, Fielding R. The fear-avoidance model of chronic pain: assessing the role of neuroticism and negative affect in pain catastrophizing using structural equation modeling. Int J Behav Med 2015; 22:118-31. [PMID: 24788315 DOI: 10.1007/s12529-014-9413-7] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
BACKGROUND Previous research on the fear-avoidance model (FAM) of chronic pain suggests that the personality traits of neuroticism and negative affect (NA) influence pain catastrophizing. However, the mechanisms of their influence on pain catastrophizing remain unclear. PURPOSE This study examined four possible models of relationships between neuroticism, NA, and pain catastrophizing within the FAM framework using structural equation modeling. METHOD A total of 401 patients with chronic musculoskeletal pain completed measures of neuroticism, NA, three core FAM components (pain catastrophizing, pain-related fear, and pain anxiety), and adjustment outcomes (pain-related disability and depression). RESULTS Regression analyses refuted the possibility that neuroticism and NA moderated each other's effect on pain catastrophic thoughts (p > 0.05). Results of structural equation modeling (SEM) evidenced superior data-model fit for the collapsed models in which neuroticism and NA were two secondary traits underlying a latent construct, negative emotion (disability: comparative fit index (CFI) = 0.93; depression: CFI = 0.91). CONCLUSION The results offer preliminary evidence that patients presenting with more neurotic symptom and heightened NA probably elicit more catastrophic thoughts about pain.
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Lee YH, Park JS, Tahk SJ, Hwang GS, Yoon MH, Choi SY, Choi BJ, Lim HS, Yang HM, Seo KW, Shin JH. β-Blocker Therapy in the Era of Primary Percutaneous Intervention for ST Elevation Myocardial Infarction. Cardiology 2015; 132:91-100. [PMID: 26112078 DOI: 10.1159/000431077] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Accepted: 05/04/2015] [Indexed: 11/19/2022]
Abstract
OBJECTIVES With the present therapeutic advances in the era of primary percutaneous coronary intervention (PCI), the role of β-blockers in ST elevation acute myocardial infarction (STEMI) has remained contentious. METHODS We analyzed the data and clinical outcomes of 901 STEMI patients who had undergone primary PCI. We classified the patients into β-blocker (n = 598) and non-β-blocker groups (n = 303). RESULTS The cumulative incidence of all-cause death was 10.0% in the β-blocker group and 25.4% in the non-β-blocker group (p < 0.001). The incidence of major adverse cardiac events (MACE) was 22.1% in the β-blocker group and 34.3% in the non-β-blocker group (p < 0.001). The relative hazard ratio (HR) of β-blockers for all-cause death and MACE with low left ventricle ejection fraction (LVEF; <50%) was 0.55 [95% confidence interval (CI) 0.35-0.86, p = 0.009] and 0.75 (95% CI 0.51-1.09, p = 0.125), respectively. In patients with normal LVEF (≥50%), the relative HR of β-blockers for death and MACE were 0.50 (95% CI 0.29-0.88, p = 0.016) and 0.75 (95% CI 0.51-1.12, p = 0.162), respectively. After propensity score matching of the difference of the baseline characteristics, the Kaplan-Meier survival curve demonstrated lower mortality in the β-blocker group than in the non-β-blocker group with both low LVEF and normal LVEF (p = 0.02 and p = 0.001, respectively). CONCLUSIONS β-Blockers have beneficial clinical outcomes in the era of primary PCI for STEMI, regardless of the LVEF. © 2015 S. Karger AG, Basel.
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Jin X, Yoon MH, Seo KW, Tahk SJ, Lim HS, Yang HM, Choi BJ, Choi SY, Hwang GS, Shin JH, Park JS. Usefulness of Hyperemic Microvascular Resistance Index as a Predictor of Clinical Outcomes in Patients with ST-Segment Elevation Myocardial Infarction. Korean Circ J 2015; 45:194-201. [PMID: 26023307 PMCID: PMC4446813 DOI: 10.4070/kcj.2015.45.3.194] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Revised: 01/13/2015] [Accepted: 02/16/2015] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Microvascular function is a useful predictor of left ventricular functional changes in patients with ST-segment elevation myocardial infarction (STEMI). We evaluated the usefulness of the hyperemic microvascular resistance index (hMVRI) for predicting long-term major adverse cardiovascular events (MACEs) in patients with STEMI assessed immediately after primary percutaneous coronary intervention (PCI). SUBJECTS AND METHODS hMVRI were evaluated in 145 patients with first acute STEMI treated with primary PCI using an intracoronary Doppler wire. hMVRI was defined as the ratio of mean aortic pressure over hyperemic averaged peak velocity of infarct-related artery. Major adverse cardiovascular events (MACEs) included cardiac death and re-hospitalization for congestive heart failure. RESULTS During the mean follow-up of 85±43 months, MACEs occurred in 17.2% of patients. Using a receiver-operating characteristics analysis, hMVRI >2.82 mm Hg·cm-1·sec (sensitivity: 87%; specificity: 69%; and area under curve: 0.818) was the best cut-off values for predicting future cardiac events. The Cox proportional hazard analysis showed that hMVRI was an independent predictor for long-term MACEs (hazard ratio 1.741, 95% confidence interval 1.348-2.264, p<0.001). The Kaplan-Meier survival analysis showed a higher incidence of MACEs in patients with hMVRI >2.82 mm Hg·cm-1·sec (p<0.001). CONCLUSION hMVRI was a strong predictor of long-term MACEs in patients with STEMI treated with primary PCI.
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