5.Delayed Diagnosis of Traumatic Ventricular Septal Defect in Penetrating Chest Injury: Small Evidence on Echocardiography Makes Big Difference.
Kihyun JEON ; Woo Hyun LIM ; Si Hyuck KANG ; Iksung CHO ; Kyung Hee KIM ; Hyung Kwan KIM ; Yong Jin KIM ; Dae Won SOHN
Journal of Cardiovascular Ultrasound 2010;18(1):28-30
Cardiac trauma from penetrating chest injury is a life-threatening condition. It was reported that < 10% of patients arrives at the emergency department alive. Penetrating chest injury can cause serious damage in more than 1 cardiac structure, including myocardial lacerations, ventricular septal defect (VSD), fistula between aorta and right cardiac chamber and valves. The presence of pericardial effusion (even a small amount) on the initial echocardiography might be the only clue to serious cardiac damage in the absence of definite evidence of anatomical defect in heart. We here present a case, in which clear diagnosis of VSD and pseudoaneurysmal formation was delayed a few days after penetrating chest injury due to the lack of anatomical evidence of damage.
Aneurysm, False
;
Aorta
;
Delayed Diagnosis
;
Echocardiography
;
Emergencies
;
Fistula
;
Heart
;
Heart Septal Defects, Ventricular
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Humans
;
Lacerations
;
Pericardial Effusion
;
Thoracic Injuries
;
Thorax
6.Impact of family history on the presentation and clinical outcomes of coronary heart disease: data from the Korea Acute Myocardial Infarction Registry.
Choongki KIM ; Hyuk Jae CHANG ; Iksung CHO ; Ji Min SUNG ; Donghoon CHOI ; Myung Ho JEONG ; Yang Soo JANG
The Korean Journal of Internal Medicine 2013;28(5):547-556
BACKGROUND/AIMS: Family history (FHx) of coronary heart disease (CHD) is a well-known risk factor for CHD. However, the prognostic implication of FHx has not been established clearly in patients with acute myocardial infarction (AMI). METHODS: In total, 11,612 patients (8,132 males [70%], age 63 +/- 13 years) with first-onset AMI between November 2005 and June 2008 in a nationwide, prospective, multicenter, online registry (the Korea AMI Registry) were analyzed. Clinical characteristics and outcomes (cardiac death and major adverse cardiac events [MACEs]) were assessed according to the presence of FHx. RESULTS: The patients with FHx were younger and included more males. Male patients with FHx included more current smokers and individuals with poor lipid profiles. In all patients, after adjustment using the Cox proportional hazard model, FHx was related to the risk of MACEs (hazard ratio [HR], 1.41; p = 0.009) and cardiac death (HR, 1.56; p = 0.080). The poor prognostic implication of FHx was further augmented in females and a low risk subset of patients. A significant interaction was only found between male and female patients for composite MACEs (p for interaction = 0.057), and between patients with more risk factors (> or = 2 risk factors) and fewer risk factors for cardiac deaths (p for interaction = 0.008). CONCLUSIONS: FHx may be an independent prognostic predictor, especially in female patients and patients with low-risk profile.
Adult
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Aged
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Chi-Square Distribution
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Coronary Artery Bypass
;
Coronary Disease/*genetics/mortality/therapy
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Female
;
Genetic Predisposition to Disease
;
Heredity
;
Humans
;
Male
;
Middle Aged
;
Multivariate Analysis
;
Myocardial Infarction/*genetics/mortality/therapy
;
Pedigree
;
Percutaneous Coronary Intervention
;
Prognosis
;
Proportional Hazards Models
;
Registries
;
Republic of Korea/epidemiology
;
Retrospective Studies
;
Risk Factors
;
Sex Factors
;
Time Factors
7.A case of malignant pericardial mesothelioma misdiagnosed as tuberculosis pericarditis.
Iksung CHO ; Eun Ju CHUN ; Ki Hyun JEON ; Woo Hyun LIM ; Kyoung Hee KIM ; Si Hyuck KANG ; Hyuk Jae CHANG
Korean Journal of Medicine 2009;76(Suppl 1):S81-S86
Primary pericardial mesothelioma is an extremely rare neoplasm with a bleak prognosis. It is often misdiagnosed as constrictive pericarditis initially, especially as tuberculosis pericarditis in Korea due to the high incidence of active tuberculosis. A targeted pericardial biopsy and noninvasive imaging modalities, such as delayed phase contrast chest computed tomography (CT) images and magnetic resonance imaging (MRI), can play an important role in the differential diagnosis of pericardial disease. We present the case of a 37-year-old man with a 3-week history of exertional dyspnea. A large pericardial effusion with pericardial thickening was noted, but its etiology was not revealed after conventional diagnostic procedures, including a closed pericardial biopsy. Empirical antituberculosis treatment was started, but the dyspnea recurred 5 months later. A malignant pericardial mesothelioma was diagnosed through a pericardiectomy and biopsy under direct visualization
Adult
;
Biopsy
;
Diagnosis, Differential
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Dyspnea
;
Humans
;
Incidence
;
Korea
;
Magnetic Resonance Imaging
;
Mesothelioma
;
Pericardial Effusion
;
Pericardiectomy
;
Pericarditis
;
Pericarditis, Constrictive
;
Pericarditis, Tuberculous
;
Prognosis
;
Thorax
;
Tuberculosis
8.Asymptomatic Right Coronary Artery-to-Pulmonary Artery Fistula Incidentally Detected by Transthoracic Echocardiography.
Woo Hyun LIM ; Si Hyuck KANG ; Kihyun JEON ; Iksung CHO ; Kyung Hee KIM ; Sung Wook HWANG ; Hyung Kwan KIM ; Dae Won SOHN
Journal of Cardiovascular Ultrasound 2009;17(3):106-109
In this case report, we describe a 71-year-old woman with right conal coronary artery-to-pulmonary trunk fistula. She visited the outpatient clinic of the nephrology department for long-term management of renal dysfunction. On transthoracic echocardiography (TTE) conducted as a part of cardiac evaluation, an abnormal Doppler color flow taking a course toward echocardiographic probe was incidentally detected outside the main pulmonary trunk, giving an impression of congenital coronary arteriovenous (AV) fistula. Computed tomography coronary angiography confirmed the presence of congenital coronary AV fistula from a conal branch of the right coronary artery to the main pulmonary trunk in the form of a ground cherry. Although the direction of Doppler color flow is not usual (i.e. toward, not away from, echocardiographic probe) in this case, congenital coronary AV fistula should be in the first priority among potential diagnoses when an abnormal Doppler color flow was found near the main pulmonary trunk on TTE.
Aged
;
Ambulatory Care Facilities
;
Arteries
;
Arteriovenous Fistula
;
Coronary Angiography
;
Coronary Vessel Anomalies
;
Coronary Vessels
;
Echocardiography
;
Female
;
Fistula
;
Humans
;
Nephrology
;
Physalis
9.Nationwide Trends of Gatekeeper to Invasive Coronary Angiography in Suspected Coronary Artery Disease
Min Jae CHA ; William D KIM ; Hoyoun WON ; Jaeeun JOO ; Hasung KIM ; In-Cheol KIM ; Jin Young KIM ; Seonhwa LEE ; Iksung CHO
Korean Circulation Journal 2022;52(11):814-825
Background and Objectives:
Real-world trends in the utility and type of gatekeeping studies in invasive coronary angiography (ICA) requires further investigation.
Methods:
We identified outpatients who underwent noninvasive cardiac tests or directly ICA for suspected coronary artery disease (CAD) from the nationwide Korea Health Insurance Review and Assessment Service-National Patient Sample database between 2012 and 2018.
Results:
Among 71,401 patients, the percentage of patients who were evaluated for suspected CAD was 34.7% for treadmill test (TMT), 4.2% for single-photon emission computed tomography (SPECT), 24.2% for coronary computed tomography angiography (CCTA), 1.6% for multiple gatekeepers, and 32.3% for directly ICA without noninvasive studies. The proportion of CCTA as a gatekeeper showed linear increase, (18.6% in 2012 and 28.8% in 2018; p<0.001), while those of TMT, SPECT, and direct ICA have decreased (p<0.001, p=0.03, and p<0.001, respectively). The overall incidence of downstream ICA after gatekeeper was 13.8% (6,662/48,346), and SPECT showed higher ICA rate in pairwise comparison with TMT and CCTA (p<0.001). Patients who performed gatekeepers before ICA showed higher rate of subsequent PCI (34.7% vs. 32.3%; p<0.001) and CABG (3.5% vs. 1.0%; p<0.001), compared to those who directly underwent ICA, and CCTA was associated with higher revascularization rate after ICA in pairwise comparison with TMT and SPECT (p<0.001).
Conclusions
Nationwide database demonstrated that CCTA is utilized increasingly as a gatekeeper for ICA and is associated with high revascularization rate after ICA in outpatients with suspected CAD.
10.Associations between Subclinical Myocardial Dysfunction and Premature Fusion of Early and Late Diastolic Filling with Uncertain Cause
Kyu KIM ; Jiwon SEO ; Iksung CHO ; Eui-Young CHOI ; Geu-Ru HONG ; Jong-Won HA ; Se-Joong RIM ; Chi Young SHIM
Yonsei Medical Journal 2022;63(9):817-824
Purpose:
The fusion of early (E) and late diastolic filling (A) on mitral inflow Doppler, even in the absence of tachycardia, is often found during assessment of left ventricular (LV) diastolic function. We evaluated the echocardiographic characteristics and clinical implications of premature E-A fusion of uncertain cause in the absence of tachycardia.
Materials and Methods:
We identified 1014 subjects who showed E-A fusion and normal LV ejection fraction (LVEF) between January 2019 and June 2021 at two tertiary hospitals. Among these, 105 (10.4%) subjects showed premature E-A fusion at heart rates less than 100 beats per minute (bpm). The conventional echocardiographic parameters and LV global longitudinal strain (GLS) were compared with 1:1 age-, sex-, and heart rate-matched controls without E-A fusion.
Results:
The premature E-A fusion group had a heart rate of 96.4±3.7 bpm. Only 4 (3.8%) subjects were classified as having LV diastolic dysfunction according to current guidelines. The group showed prolonged isovolumic relaxation time (107.2±25.3 msec vs. 61.6±15.6 msec, p<0.001), increased Tei index (0.76±0.19 vs. 0.48±0.10, p<0.001), lower LVEF (63.8±7.0% vs. 67.3±5.6%, p<0.001) and lower absolute LV GLS (|LV GLS|) (17.0±4.2% vs. 19.7±3.3%, p<0.001) than controls. As the E-A fusion occurred at lower heart rate, the |LV GLS| was also lower (p for trend=0.002).
Conclusion
Premature E-A fusion at heart rates less than 100 bpm is associated with subclinical LV dysfunction. Time-based indices and LV GLS are helpful for evaluating this easily overlooked population.