Journal of Yeungnam Medical Science

Cardiology and Cardiovascular Medicine
Late complication of the Nuss procedure: recurrent cardiac tamponade: Won Jong Park, Jang Won Son, Kyu Hwan Park, You Min Kim, Jong Ho Nam, Kang Un Choi, Jung Ho Kim; Yeungnam Univ J Med. 2019;36(3):260-264. Published online June 13, 2019; DOI: https://doi.org/10.12701/yujm.2019.00241

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Pectus excavatum (PE) is known as one of the most common congenital deformities of the anterior chest wall. The Nuss procedure is an effective surgical therapy to correct PE. Here, we report a case of recurrent cardiac tamponade due to hemopericardium that occurred after 16 months following the Nuss procedure. The cause of recurrent hemopericardium was thought to be local, repetitive irritation of the pericardium by the Nuss steel bar. We should keep in mind that this serious complication can occur after the Nuss procedure, even in the late phase.

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A case of atrial fibrillation in a 14-year-old boy having Nuss bars for 3 years
Brian Lefchak, Ian Thomas
Pediatric Emergency Medicine Journal.2025; 12(4): 164. CrossRef

Cardiology and Cardiovascular Medicine
Severe chest pain with mid-ventricular obstruction in a patient with hyperthyroidism: Jong Ho Nam, Jang Won Son, Geu Ru Hong; Yeungnam Univ J Med. 2017;34(1):128-131. Published online June 30, 2017; DOI: https://doi.org/10.12701/yujm.2017.34.1.128

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Abstract PDF: Mid-ventricular obstruction (MVO) rarely occurs in patients without hypertrophic cardiomyopathy. Increased cardiac contractility may play an important role in causing MVO. We experienced a case of severe chest pain and MVO in a 50-year-old female patient. She had hypertension, diabetes, stroke and peripheral artery disease. Her blood pressure was very high (222/122 mmHg) with severe fluctuation. The transthoracic echocardiography revealed MVO accompanied by hyper-dynamic left ventricular systolic function. We regarded her chest pain and MVO as secondary findings related to other diseases. Coronary angiography and several tests for uncontrolled hypertension were performed, and those evaluations revealed that she had coronary artery disease and hyperthyroidism. We considered that the increase in the myocardial oxygen demand in response to the increase in cardiac contractility and workload associated with hyperthyroidism aggravated her symptoms and MVO. She was treated with methimazole and beta blockers and her symptoms dramatically improved.

Cardiology and Cardiovascular Medicine
Torsade de Pointes Induced by Long-Term Oral Amiodarone Therapy.: Jong Ho Nam, Yoon Jung Choi, Min Kyu Kang, Sung Yun Jung, Su Mi Kim, Sang Hee Lee, Dong Gu Shin; Yeungnam Univ J Med. 2011;28(1):90-93. Published online June 30, 2011; DOI: https://doi.org/10.12701/yujm.2011.28.1.90

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Abstract PDF: Although amiodarone is generally regarded as safe with a low incidence of associated arrhythmias, torsade de pointes (TdP) has been observed usually in the presence of predisposing factors. We report a case of amiodarone-induced TdP after long-term administration of a low dose of oral amiodarone in the absence of predisposing factors.

Nephrology
Rhabdomyolysis Induced Acute Kidney Injury in a Patient with Leptospirosis.: Yoon Jung Choi, Jeung Min Park, Yo Han Jung, Jong Ho Nam, Hyun Hee Chung, Tae Woo Kim, Kyu Hyang Cho, Jun Young Do, Kyeung Woo Yun, Jong Won Park; Yeungnam Univ J Med. 2011;28(1):54-59. Published online June 30, 2011; DOI: https://doi.org/10.12701/yujm.2011.28.1.54

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Leptospirosis is a spirochetal infectious disease caused by Leptospira interrogans, and may vary in degree from an asymptomatic infection to a severe and fatal illness. The kidney is one of the principal target organs of Leptospira. Renal disorders caused by Leptospira infection vary from an abnormality in urinalysis to acute kidney injury (AKI). Incidence of AKI in severe leptospirosis varies from 40% to 60%. AKI reflects the severity of leptospirosis and is generally accompanied by cholestatic jaundice. The pathophysiology of AKI in leptospirosis consists of hypovolemia, direct tubular toxicity, and rhabdomyolysis. Most patients with acute leptospirosis experience severe myalgias, and show laboratory evidence of mild rhabdomyolysis. However, occurrence of severe rhabdomyolysis is rare. We report here on a patient with leoptospirosis, who had severe rhabdomyolysis and acute kidney injury without jaundice.

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A case of severe leptospirosis complicated with massive rhabdomyolysis and acute kidney injury: a case report
Milad Badri, Negar Sheikhdavoodi, Farhad Nikkhahi, Aida Vafae Eslahi, Panagiotis Karanis
Journal of Medical Case Reports.2025;[Epub] CrossRef

Cardiology and Cardiovascular Medicine
Apical Hypertrophic Cardiomyopathy with Apical Aneurysm and Thrombus Diagnosed by Contrast Echocardiography.: Kyu Hwan Park, Geu Ru Hong, Jong Ho Nam, Min Kyu Kang, Su Mi Kim, Seong Yoon Jung, Ji Hoon Na; Yeungnam Univ J Med. 2010;27(2):133-138. Published online December 31, 2010; DOI: https://doi.org/10.12701/yujm.2010.27.2.133

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Abstract PDF: Apical hypertrophic cardiomyopathy is rare disease and a variant of hypertrophic cardiomyopathy with prevalence of 1 in 500 in the general population. Apical hypertrophic cardiomyopathy with apical aneurysm and intramural thrombus is extremely rare. We report a case of apical hypertrophic cardiomyopathy progressing to left ventricular apical aneurysm with intramural thrombus diagnosed by contrast echocardiography.

Thoracic and Cardiovascular Surgery
A Case of Primary Unclassified Spindle Cell Sarcoma of the Left Atrium.: Jeong Hwan Cho, Geu Ru Hong, In Wook Song, Chang Woo Son, Sun Young Jung, Jong Ho Nam, Mi Jin Kim; Yeungnam Univ J Med. 2009;26(2):108-113. Published online December 31, 2009; DOI: https://doi.org/10.12701/yujm.2009.26.2.108

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Abstract PDF: Primary cardiac tumors are very uncommon. Seventy five percent of them are benign tumors and these are mostly myxomas. The malignant cardiac tumors, the majority of which are undifferentiated sarcomas, comprise up to 25% of all cardiac tumors. A primary malignant sarcoma of the myocardium is exceedingly rare. Thus, there have been very few such cases reported in the literature. We present here a case of a 15 year old man who had complaints of orthopnea and increasing exercise intolerance over a one month period. Transthoracic echocardiography demonstrated a well demarcated huge mass with left ventricular inflow obstruction on the posterior wall of the left atrium. The patient's symptoms were relieved by surgery. The histological diagnosis was an unclassified spindle cell sarcoma.

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