Journal of Yeungnam Medical Science

Sung Gyun Ahn

2 Articles

Cardiology and Cardiovascular Medicine
Successful transradial intervention via a radial recurrent artery branch from the radioulnar alpha loop using a sheathless guiding catheter: Shin-Eui Yoon, Sangwook Park, Sung Gyun Ahn; Yeungnam Univ J Med. 2018;35(1):94-98. Published online June 30, 2018; DOI: https://doi.org/10.12701/yujm.2018.35.1.94

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The radial artery is generally the preferred access route in coronary angiography and coronary intervention. However, small size, spasm, and anatomical variations concerning the radial artery are major limitations of transradial coronary intervention (TRI). We describe a successful case involving a patient with coronary artery disease who underwent TRI via a well-developed radial recurrent artery branch from the radioulnar alpha loop using a sheathless guiding catheter.

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Minimizing Guidewire Unwilling Passage and Related Perforation During Transradial Procedures: Prevention Is Better Than Cure
Lili Xu, Jiatian Cao, Meng Zhang, Hongbo Yang, Zheyong Huang, Yanan Song, Chenguang Li, Yuxiang Dai, Kang Yao, Xiangfei Wang, Feng Zhang, Juying Qian, Junbo Ge
Frontiers in Cardiovascular Medicine.2022;[Epub] CrossRef

Cardiology and Cardiovascular Medicine
A patient with stress induced cardiomyopathy that occurred after cessation of hormone replacement therapy for panhypopituitarism.: Seoung Wan Nam, Jun Won Lee, Jeong Han Sim, Hyun Sung Pack, Changjo Im, Jung Soo Lim, Sung Gyun Ahn; Yeungnam Univ J Med. 2016;33(2):125-129. Published online December 31, 2016; DOI: https://doi.org/10.12701/yujm.2016.33.2.125

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Abstract PDF: Stress induced cardiomyopathy (SC) is characterized by transient left ventricular (LV) dysfunction in the absence of coronary artery disease. We report on a patient with panhypopituitarism who developed SC resulting from withdrawal of hormonal replacement therapy (HRT). A 52-year-old male visited our hospital for progressively worsening dyspnea. The patient had discontinued HRT 7 days ago, which had been administered for 18 months after transsphenoidal adenomectomy for pituitary macroadenoma. Initial electrocardiogram showed marked sinus bradycardia. Transthoracic echocardiography showed apical ballooning with an LV ejection fraction of 25%. No significant obstructive lesions were observed on coronary angiography. With a clinical diagnosis of SC associated with panhypopituitarism, HRT was restarted, including glucocorticoid and thyroxine, along with standard heart failure management. His LV function had normalized at 2-month follow-up. He remains asymptomatic and administration of beta-blocker and angiotensin converting enzyme inhibitor were discontinued He currently only requires HRT.

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