1.Outcomes of emergency endovascular versus open repair for abdominal aortic aneurysm rupture
Suk Jung CHOO ; Yang-Bin JEON ; Sam-Sae OH ; Sung Ho SHINN
Annals of Surgical Treatment and Research 2021;100(5):291-297
Purpose:
Ruptured abdominal aortic aneurysm (rAAA) is one of the most common aortic emergencies in vascular surgery and is associated with high operative mortality and morbidity rates despite recent treatment advances. We evaluated operative mortality risks for the outcomes of emergency endovascular aneurysm repair (eEVAR) vs. open repair in rAAA.
Methods:
Twenty patients underwent eEVAR (n = 12) or open repair (n = 8) for rAAA between 2016 and 2020. We adopted the EVAR first strategy since 2018. Primary endpoints included in-hospital mortality and 1-year survival. The outcome variables were analyzed with Fisher exact, Mann-Whitney test, and linear by linear association. The Kaplan-Meier method was used to estimate survival.
Results:
There were 13 males (65.0%) and the median age of the study cohort was 78.0 years (range, 49–88 years). Inhospital mortality occurred in 7 patients (35.0%); 5 (50.0%) in the early period and 2 (20.0%) in the later period of this series. According to the procedure type, 4 (50.0%) and 3 (25.0%) in-hospital mortalities occurred in the open repair and eEVAR patients, respectively. In 6 patients (50.0%), eEVAR was performed on unfavorable anatomy. The 1-year survival of eEVAR vs. open repair group was 75% ± 12.5% and 50% ± 17.7%, respectively. On univariate analysis, preoperative highrisk indices, postoperative acute renal failure requiring dialysis, pulmonary complications, and prolonged mechanical ventilation were associated with higher operative mortality.
Conclusion
The current data showed relatively superior outcomes with eEVAR vs. open repair for rAAA, even in some patients with unfavorable anatomy supporting the feasibility, efficacy, and safety of EVAR first strategy.
2.Outcomes of emergency endovascular versus open repair for abdominal aortic aneurysm rupture
Suk Jung CHOO ; Yang-Bin JEON ; Sam-Sae OH ; Sung Ho SHINN
Annals of Surgical Treatment and Research 2021;100(5):291-297
Purpose:
Ruptured abdominal aortic aneurysm (rAAA) is one of the most common aortic emergencies in vascular surgery and is associated with high operative mortality and morbidity rates despite recent treatment advances. We evaluated operative mortality risks for the outcomes of emergency endovascular aneurysm repair (eEVAR) vs. open repair in rAAA.
Methods:
Twenty patients underwent eEVAR (n = 12) or open repair (n = 8) for rAAA between 2016 and 2020. We adopted the EVAR first strategy since 2018. Primary endpoints included in-hospital mortality and 1-year survival. The outcome variables were analyzed with Fisher exact, Mann-Whitney test, and linear by linear association. The Kaplan-Meier method was used to estimate survival.
Results:
There were 13 males (65.0%) and the median age of the study cohort was 78.0 years (range, 49–88 years). Inhospital mortality occurred in 7 patients (35.0%); 5 (50.0%) in the early period and 2 (20.0%) in the later period of this series. According to the procedure type, 4 (50.0%) and 3 (25.0%) in-hospital mortalities occurred in the open repair and eEVAR patients, respectively. In 6 patients (50.0%), eEVAR was performed on unfavorable anatomy. The 1-year survival of eEVAR vs. open repair group was 75% ± 12.5% and 50% ± 17.7%, respectively. On univariate analysis, preoperative highrisk indices, postoperative acute renal failure requiring dialysis, pulmonary complications, and prolonged mechanical ventilation were associated with higher operative mortality.
Conclusion
The current data showed relatively superior outcomes with eEVAR vs. open repair for rAAA, even in some patients with unfavorable anatomy supporting the feasibility, efficacy, and safety of EVAR first strategy.
3.Guidelines for Transcatheter Aortic Valve Replacement in Korea: Past Obstacles and Future Perspectives.
Suk Jung CHOO ; Sung Ho SHINN ; Kyung Hwan KIM ; Wook Sung KIM ; Sam Sae OH ; Sak LEE
The Korean Journal of Thoracic and Cardiovascular Surgery 2018;51(4):231-240
BACKGROUND: Analyses of the efficacy and safety of transcatheter aortic valve replacement (TAVR) in most countries have been based on outcomes obtained in accordance with national practice guidelines and monitoring protocols. The purpose of this study is to share our experience regarding the process for establishing guidelines and monitoring protocols for the use of TAVR in Korea, in the hopes that it may be helpful to others undergoing a similar process in their own country. METHODS: The Korean guidelines for TAVR were established on June 1, 2015 in through a tri-party agreement involving the Department of Health and Welfare, the Korean Society of Thoracic and Cardiovascular Surgery and the Korean Society of Cardiology. We agreed to monitor the guidelines transparently and to exchange opinions regarding amendments or continuation of its contents after 3 years of monitoring. RESULTS: The monitoring meetings were not held as regularly as agreed, and monitoring was also made difficult by insufficient and incomplete data. Nevertheless, during the meetings, measures to improve the monitoring process were discussed, and accordingly, an agreement was made to continue the monitoring process, with the aim of completing data collection by 2018. CONCLUSION: Compliance with guidelines is critical for assessing the efficacy and safety of TAVR. Moreover, the TAVR monitoring process must be properly conducted for an accurate evaluation to be made. Any country planning to introduce TAVR may encounter difficulties with regards to the optimal initiation strategy and subsequent monitoring. Nevertheless, continued efforts should be made to persuade the government and the corresponding medical societies to facilitate the optimal application of TAVR.
Aortic Valve Stenosis
;
Cardiology
;
Compliance
;
Data Collection
;
Hope
;
Korea*
;
Societies, Medical
;
Transcatheter Aortic Valve Replacement*
4.Stress-Induced Cardiomyopathy Presenting as Shock.
Tae Kyung YOO ; Jong Young LEE ; Ki Chul SUNG ; Sam Sae OH ; Young Seok SONG ; Seung Jae LEE ; Kyung Jin KO
Journal of Cardiovascular Ultrasound 2016;24(1):79-83
Stress-induced cardiomyopathy has become a more recognized and reported entity. It can be caused by emotional or physical stress, which causes excessive catecholamine release. Typically, the clinical course is benign with conservative treatment being effective. However, stress-induced cardiomyopathy can be fatal. A 41-year-old female presented with cardiogenic shock followed by sudden back pain. Initial echocardiographic finding showed severely decreased ejection fraction with akinesia at all mid-to-apical walls with relatively preserved basal wall contractility. The coronary artery was intact on coronary angiography. Cardiac resuscitation and extra-corporeal membrane oxygenation was needed to manage the cardiogenic shock. Recovery was complete after 2 weeks.
Adult
;
Back Pain
;
Cardiomyopathies*
;
Coronary Angiography
;
Coronary Vessels
;
Echocardiography
;
Extracorporeal Membrane Oxygenation
;
Female
;
Humans
;
Membranes
;
Oxygen
;
Resuscitation
;
Shock*
;
Shock, Cardiogenic
;
Takotsubo Cardiomyopathy
5.Single and Multiple Valve Surgery in Native Valve Infective Endocarditis.
Tae Sik KIM ; Chan Young NA ; Sam Sae OH ; Jae Hyun KIM ; Gil Soo YIE ; Jung Wook HAN ; Min Cheol CHAE
The Korean Journal of Thoracic and Cardiovascular Surgery 2013;46(4):256-264
BACKGROUND: Surgical treatment of infective endocarditis (IE) remains a challenge, especially in cases of multiple valve surgery. We evaluated the clinical outcomes of native valve IE and compared the outcomes of single valve surgery with those of multiple valve surgery. MATERIALS AND METHODS: From 1997 to 2011, 90 patients underwent surgery for native valve IE; 67 patients with single valve surgery (single valve group) and 23 patients with multiple valve surgery (multiple valve group). The mean follow-up duration was 73.1+/-47.4 months. RESULTS: The surgical mortality in the total cohort was 4.4%. The overall survival (p=0.913) and valve-related event-free survival (p=0.204) did not differ between the two groups. The independent predictor of postoperative complications was New York Heart Association class (p=0.001). Multiple valve surgery was not a significant predictor of surgical mortality (p=0.225) or late mortality (p=0.936). Uncontrolled infection, urgent or emergency surgery, and postoperative complications were identified as independent predictors of valve-related morbidity, excluding multiple valve surgery (p=0.072). CONCLUSION: In native valve IE, multiple valve surgery as a factor was not an independent predictor of mortality and morbidity. The number of surgically corrected valves in native IE seems to be unrelated to perioperative and long-term outcomes.
Cohort Studies
;
Disease-Free Survival
;
Emergencies
;
Endocarditis
;
Follow-Up Studies
;
Heart
;
Heart Valves
;
Humans
;
New York
;
Postoperative Complications
;
Thoracic Surgery
6.Deep Vein as a Graft Conduit.
Journal of the Korean Society for Vascular Surgery 2012;28(3):115-118
Infected vascular lesion, including aortic graft infection, is one of the most challenging fields in vascular surgery. The primary treatment objectives are to remove the infected graft material and to re-establish vascular continuity with an extra-anatomic bypass or in situ graft replacement. Despite significant progress in perioperative care and antimicrobial therapy, mortality and morbidity remain high. The great saphenous veins are gaining wide popularity as acceptable native vascular grafts, but in terms of flow capacity, their small caliber may be unsuitable for immediate replacement of arterial flow. Superficial femoral popliteal vein grafts are excellent conduits for infected aortic, peripheral arterial and central venous lesion, in terms of feasible harvesting, resistance to infection, serving immediate high postoperative flow and long-term durability. Surgery using the superficial femoral vein (SFV) graft is neither time-consuming nor dangerous. A delicate preoperative and intraoperative surgical plan is mandatory, and future studies regarding the long-term patency, appropriate clinical indication and safety issue of the SFV graft in peripheral vessel reconstruction are warranted.
Femoral Vein
;
Glycosaminoglycans
;
Perioperative Care
;
Popliteal Vein
;
Saphenous Vein
;
Transplants
;
Veins
7.Preoperative Extracorporeal Membrane Oxygenation for Severe Ischemic Mitral Regurgitation: 2 case reports.
Tae Sik KIM ; Chan Young NA ; Jong Hyun BAEK ; Jae Hyun KIM ; Sam Sae OH
The Korean Journal of Thoracic and Cardiovascular Surgery 2011;44(3):236-239
Indication for extracorporeal membrane oxygenation (ECMO) has been extended as the experience of ECMO in various clinical settings accumulates and the outcome after ECMO installation improves. We report two cases of successful mitral valve surgery for severe ischemic mitral regurgitation in patients on ECMO support for cardiogenic shock which developed upon coronary angiography.
Coronary Angiography
;
Coronary Artery Disease
;
Extracorporeal Membrane Oxygenation
;
Humans
;
Mitral Valve
;
Mitral Valve Insufficiency
;
Shock, Cardiogenic
8.Short- and Long-Term Results of Triple Valve Surgery: A Single Center Experience.
Sung Ho SHINN ; Sam Sae OH ; Chan Young NA ; Chang Ha LEE ; Hong Gook LIM ; Jae Hyun KIM ; Kil Soo YIE ; Man Jong BAEK ; Dong Seop SONG
Journal of Korean Medical Science 2009;24(5):818-823
Triple valve surgery is usually complex and carries a reported operative mortality of 13% and 10-yr survival of 61%. We examined surgical results based on our hospital's experience. A total of 160 consecutive patients underwent triple valve surgery from 1990 to 2006. The most common aortic and mitral valve disease was rheumatic disease (82%). The most common tricuspid valve disease was functional regurgitation (80%). Seventy-four percent of the patients were in New York Heart Association (NYHA) class III and IV. Univariate and multivariable analyses were performed to identify predictors of early and late survival. Operative mortality was 6.9% (n=11). Univariate factors associated with mortality included old age, preoperative renal failure, postoperative renal failure, pulmonary complications, and stroke. Of them, postoperative renal failure and stroke were associated with mortality on multivariable analysis. Otherwise, neither tricuspid valve replacement nor reoperation were statistically associated with late mortality. Survival at 5 and 10 yr was 87% and 84%, respectively. Ninety-two percent of the patients were in NYHA class I and II at their most recent follow-up. Ten-year freedom from prosthetic valve endocarditis was 97%; from anticoagulation-related hemorrhage, 82%; from thromboembolism, 89%; and from reoperation, 84%. Postoperative renal failure and stroke were significantly related with operative mortality. Triple valve surgery, regardless of reoperation and tricuspid valve replacement, results in acceptable long-term survival.
Adult
;
Aged
;
Anticoagulants/adverse effects/therapeutic use
;
Aortic Valve/*surgery
;
Female
;
Heart Valve Diseases/complications/mortality/*surgery
;
Heart Valve Prosthesis Implantation/*methods
;
Hemorrhage/chemically induced/epidemiology
;
Humans
;
Intraoperative Complications/mortality
;
Kidney Failure/etiology
;
Male
;
Middle Aged
;
Mitral Valve/*surgery
;
Postoperative Complications/mortality
;
Reoperation
;
Risk Factors
;
Severity of Illness Index
;
Stroke/etiology
;
Survival Analysis
;
Thromboembolism/epidemiology
;
Tricuspid Valve/*surgery
9.The In-hospital Clinical Outcomes of Extracorporeal Life Support after Adult Cardiovascular Surgery.
Kilsoo YIE ; Chan Young NA ; Sam Sae OH ; Jae Hyun KIM ; Se Min RYU ; Sung Min PARK ; Seong Joon CHO
The Korean Journal of Thoracic and Cardiovascular Surgery 2009;42(4):464-472
BACKGROUND: We analyzed the clinical results and the factors for survival of patients who underwent extracorporeal life support system after adult cardiovascular surgery. MATERIAL AND METHOD: We retrospectively reviewed the medical record of 44 patients (1.6% of the total adult cardiovascular surgical cases) who underwent the use of a ventricular assisted device or extracorporeal membrane oxygenation from January 2002 to August 2008. There were 32 (72.7%) males and their mean age was 61.7+/-14.9 (range: 20~73) years old. The mean duration of extracorporeal life support system was 5.3+/-3.0 (range: 1~12) days. RESULT: Of these 44 patients, 24 (54.5%) patients were successfully weaned from the extracorporeal device. Eighteen (40.9%) survivors were able to be discharged from the hospital. Complications were noted in 38 patients (86.4%). An emergency operation, no usage of a concomitant intraaortic balloon pump and major complications during use of the extracorporeal life support system such as bleeding, flow instability and renal failure were identified as significant risk factors for poor survival on univariated analysis. Owing to educational support and a continuous renal replacement therapy system, the clinical outcomes of these patients have improved since 2006. On multivariated analysis, renal failure and bleeding during extracorporeal life support were significant risk factors for poor survival. CONCLUSION: Although using extracorporeal life support systems after adult cardiovascular surgery revealed acceptable clinical results, determining the optimal treatment strategy and further well designed larger studies are needed to improve the survival rate of patients who undergo extracorporeal life support after adult cardiovascular surgery
Adult
;
Emergencies
;
Extracorporeal Membrane Oxygenation
;
Hemorrhage
;
Humans
;
Life Support Systems
;
Male
;
Medical Records
;
Renal Insufficiency
;
Renal Replacement Therapy
;
Retrospective Studies
;
Risk Factors
;
Shock, Cardiogenic
;
Survival Rate
;
Survivors
10.Influence of Cerebral Protection Methods in Thoracic Aortic Surgery Using Hypothermic Circulatory Arrest.
Jae Hyun KIM ; Chan Young NA ; Sam Sae OH
The Korean Journal of Thoracic and Cardiovascular Surgery 2008;41(2):229-238
BACKGROUND: Protection of the brain is a major concern during thoracic aortic surgery using hypothermic circulatory arrest (HCA). This study compares the surgical outcomes of two different cerebral protection methods in thoracic aortic surgery using HCA: retrograde cerebral protection (RCP) and antegrade cerebral protection (ACP). MATERIAL AND METHOD: We retrospectively reviewed data on 146 patients who underwent thoracic aortic surgery from May 1995 to February 2007 using either RCP (114 patients, Group 1) or ACP (32 patients, Group 2) during HCA. There were 104 dissections (94 acute and 10 chronic) and 42 aneurysms (41 true aneurysms and 1 pseudoaneurysm), and all patients underwent ascending aortic replacement. There were 33 cases of hemiarch replacement, 5 of partial arch replacement, and 21 of total arch replacement. RESULT: The two groups were similar in preoperative and operative characteristics, but Group 2 had more elderly (over 70 years old) patients (34.4% vs. 10.5%), more coronary artery diseases (18.8% vs. 4.4%), more total arch replacements (46.9% vs. 5.3%) and longer HCA time (50+/-24 minutes vs. 32+/-17 minutes) than Group 1. The operative mortality was 4.4% (5/114) and 3.1% (1/32), the incidence of permanent neurologic deficits was 5.3% (6/114) and 3.1% (1/32), and the incidence of temporary neurologic deficits was 1.8% (2/114) and 9.4% (3/32) in Groups 1 and 2, respectively. There were no statistical differences between the two groups in operative mortality, postoperative bleeding, or neurologic deficits (permanent and temporary). CONCLUSION: The early outcomes of aortic surgery using HCA were favorable and showed no statistical difference between RCP and ACP. However, the ACP patients endured longer HCA times and more extended arch surgeries. ACP is the preferred brain protection technique when longer HCA time is expected or extended arch replacement is needed.
Aged
;
Aneurysm
;
Brain
;
Coronary Artery Disease
;
Hemorrhage
;
Humans
;
Incidence
;
Neurologic Manifestations
;
Retrospective Studies

Result Analysis
Print
Save
E-mail