• 제목/요약/키워드: Hemodynamic disturbance

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Practical stepwise approach to rhythm disturbances in congenital heart diseases

  • Huh, June
    • Clinical and Experimental Pediatrics
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    • 제53권6호
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    • pp.680-687
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    • 2010
  • Patients with congenital heart diseases (CHD) are confronted with early- and late-onset complications, such as conduction disorders, arrhythmias, myocardial dysfunction, altered coronary flow, and ischemia, throughout their lifetime despite successful hemodynamic and/or anatomical correction. Rhythm disturbance is a well-known and increasingly frequent cause of morbidity and mortality in patients with CHD. Predisposing factors to rhythm disturbances include underlying cardiac defects, hemodynamic changes as part of the natural history, surgical repair and related scarring, and residual hemodynamic abnormalities. Acquired factors such as aging, hypertension, diabetes, obesity, and others may also contribute to arrhythmogenesis in CHD. The first step in evaluating arrhythmias in CHD is to understand the complex anatomy and to find predisposing factors and hemodynamic abnormalities. A practical stepwise approach can lead to diagnosis and prompt appropriate interventions. Electrophysiological assessment and management should be done with integrated care of the underlying heart defects and hemodynamic abnormalities. Catheter ablation and arrhythmia surgery have been increasingly applied, showing increasing success rates with technological advancement despite complicated arrhythmia circuits in complex anatomy and the difficulty of access. Correction of residual hemodynamic abnormalities may be critical in the treatment of arrhythmia in patients with CHD.

경동맥이중초음파검사에서 관찰된 자발에코대조 (Spontaneous Echo Contrast Observed on Carotid Duplex Ultrasonography)

  • 한민호
    • 대한임상검사과학회지
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    • 제56권3호
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    • pp.273-276
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    • 2024
  • 자발에코대조(spontaneous echo contrast)는 B 모드 초음파 영상에서 관찰되는 소용돌이 모양의 연기 같은 에코 패턴으로, 일반적으로 혈액 정체 또는 저유량 상태에서 발생한다. 이러한 혈류역학적 교란은 느린 흐름으로 인해 낮은 전단 응력을 발생시켜 혈관내피세포의 기능 장애를 유발하고 응고 인자인 섬유소원의 활성화를 촉진한다. 결과적으로 적혈구를 포함한 혈액 세포가 쉽게 응집하여 혈전 형성의 전구체인 자발에코대조를 형성한다. 자발에코대조는 주로 좌심방확장증이 있는 환자의 좌심방이나 심방세동 환자의 좌심방귀에서 발견되며, 드물게 경동맥에서도 관찰될 수 있다. 이 사례 보고서에서는 전이성 암환자의 경동맥이중초음파검사 중 관찰된 자발에코대조의 영상 소견을 제시하고 임상적 의미를 논의하고자 한다.

Catastrophic catecholamine-induced cardiomyopathy rescued by extracorporeal membrane oxygenation in recurrent malignant pheochromocytoma

  • Min, Daniel
    • Journal of Yeungnam Medical Science
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    • 제36권3호
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    • pp.254-259
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    • 2019
  • Pheochromocytoma (PCC) is a rare catecholamine-producing tumor with the incidence in hypertension of 0.1-0.6%. PCC crisis is an endocrine emergency that can lead to hemodynamic disturbance and organ failure such as catecholamine-induced cardiomyopathy. The circulatory collapse caused by it often requires mechanical support. The author reports an unusual case in which a patient who previously underwent surgery for malignant PCC developed catecholamine-induced cardiomyopathy, and successfully recovered using extracorporeal membrane oxygenation.

와전 대혈관전위증과 전 페정맥 이상환류증을 동반한 양측심이의 좌측병치증 -1례 보고- (Left Juxtaposition of Atrial Appendage Accompanying Complete TGA and Total Anomalous Pulmonary Venous Drainage (One Case Report))

  • 박재길
    • Journal of Chest Surgery
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    • 제13권4호
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    • pp.448-454
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    • 1980
  • The juxtaposition of atrial appendage may possibly be diagnosed by angiography recently, and it is widely regarded as an ominous sign of severe cyanotic congenital heart disease. However, it is apparently rare congenital cardiac anomaly in which the atrial appendages lie side by side, both to the left or right of the great arteries, known as left or right juxtaposition of the atrial appendages. Juxtaposition of the atrial appendages has no functional significance, since it does not, itself, cause any hemodynamic disturbance. But it`s presence always indicates the coexistence of other major cardiac anomalies. In review of literatures TGA and VSD are invariable present, and ASD is common. Other anomalies, such as, tricuspid atresia, pulmonary outflow that, obstruction bicuspid pulmonic valve, persistent SVC etc. are relatively high incidence. In this report, we present one case of 6 year old female child having left juxtaposition of atrial appendage combined with TGA [D-looping, D-transposition], TAPVD, large ASD, small VSD, and vertical vein.

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Preliminary Study of Neurocognitive Dysfunction in Adult Moyamoya Disease and Improvement after Superficial Temporal Artery-Middle Cerebral Artery Bypass

  • Baek, Hyun Joo;Chung, Seung Young;Park, Moon Sun;Kim, Seong Min;Park, Ki Suk;Son, Hee Un
    • Journal of Korean Neurosurgical Society
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    • 제56권3호
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    • pp.188-193
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    • 2014
  • Objective : Moyamoya disease (MMD) is a chronic cerebrovascular occlusive disease of unknown etiology. In addition, the neurocognitive impairment of adults with MMD is infrequently reported and, to date, has not been well described. We attempted to determine both the neurocognitive profile of adult moyamoya disease and whether a superficial temporal artery-middle cerebral artery (STA-MCA) anastomosis can improve the neurocognitive impairment in exhibiting hemodynamic disturbance without stroke. Methods : From September 2010 through November 2012, 12 patients with angiographically diagnosed MMD underwent STA-MCA anastomosis for hemodynamic impairment. Patients with hypoperfusion and impaired cerebrovascular reserve (CVR) capacity but without evidence of ischemic stroke underwent a cognitive function test, the Seoul Neuropsychological Screening Battery (SNSB). Five patients agreed to undergo a follow-up SNSB test. Data from preoperative and postoperative neurocognitive function tests were compared and analyzed. Results : Five of 12 patients were enrolled. The median age was 45 years (range, 24-55 years). A comparison of preoperative to postoperative status of SNSB, memory domain, especially delayed recall showed significant improvement. Although most of the domains showed improvement after surgery, the results were not statistically significant. Conclusion : In our preliminary study, large proportions of adult patients with MMD demonstrate disruption of cognitive function. This suggests the possibility of chronic hypoperfusion as a primary cause of the neurocognitive impairment. When preoperative and postoperative status of cognitive function was compared, memory domain showed remarkable improvement. Although further study is needed, neurocognitive impairment may be an indication for earlier intervention with reperfusion procedures that can improve cognitive function.

우심방에 발생한 원발성 악성 림프종의 수술적 치험 - 1예 보고 - (Primary Malignant Cardiac Lymphoma in Right Atrium - A case report-)

  • 최원석;한일용;전희재;이양행;황윤호;조광현
    • Journal of Chest Surgery
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    • 제41권3호
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    • pp.369-372
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    • 2008
  • 심장에 발생하는 원발성 악성 림프종은 매우 드물다. 68세 남자 환자가 점점 심해지는 호흡곤란으로 본원 흉부외과에 입원하였다. 심장 초음파, 흉부컴퓨터단층촬영 후, 우심방과 우심실에 걸쳐 있는 거대 종양을 발견하였다. 뇌경색 등의 위험과 혈역학적 불안정으로 응급수술을 결정하였다. 우측 심장에 있는 거대 종양을 심방 중격의 일부와 전외측 우심방 벽을 함께 포함하여 제거하고, 우형 심내막 패치로 재건하였다. 최종 조직검사상 원발성 악성 림프종으로 진단되었으며, 환자와 보호자가 경제적 이유 등으로 항암치료를 거부하고 귀가 퇴원을 하였다.

심장판막 질환 성형술에 대한 임상적 고찰 (Reconstructive Procedures Combined with or Without Prosthetic Valve Replacement for Cardiac Valvular Lesions)

  • 김윤;조범구;홍승록
    • Journal of Chest Surgery
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    • 제9권2호
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    • pp.207-214
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    • 1976
  • Operations for cardiac valvular disease has been progressed in various ways. Since 1949 when Lord Russel operated mitral stenosis by closed technique at Johns Hopkins Hospital then much progress has been achieved and that nowadays severely diseased cardiac valve has been replaced by prosthetic valve, which is almost ideal in hemodynamic aspect, but still it has many problems such as thromboembolism, destruction of red blood cell, pressure gradient, and disturbance of left ventricular function, so in case of delicate situations, valve replacement should be decided carefully. Besides prosthetic valve, there are some kinds of reconstructive procedures and these have been resulted in better prognosis than prosthetic valve replacement in selected cases. So, authors have reviewed 61 Cases of cardiac patients who have been operated reconstructive valvular surgery by cardiopulmonary bypass, at Yonsei University, from Jan. 1963 to Mar. 1976. Out of 61 cases, 9 patients were replaced by prosthetic valve and rest of the patients were operated upon in various reconstructive procedures such as commissurotomy, valvotomy, valvuloplasty, and annuloplasty. Twenty cases of congenital heart diseases with valvular lesion, which had been operated for valvular lesion were also included in this statistics. Out of 9 cases of prosthetic valvular replacement five cases of prosthetic valvular replacement was done combined with other reconstructive procedures after attempted valvuloplasty. Comparative prognosis of both procedures are somewhat variable by reporters, average 19% of mortality after reconstructive surgery and 38% of mortality after prosthetic valve replacement in long term results. Most common cause of death in postoperative period was low output syndrome in both cases. It seems that good preoperative evaluation and proper reconstructive surgery will afford good prognosis in selected cardiac valvular diseased patient.

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베체씨 병에서의 동종 이식편을 이용한 대동맥 근위부 치환술 - 1례 보고 - (Aortic Root Replacement with Homograft in Behcet's Disease -A Case Report-)

  • 문현종;안혁
    • Journal of Chest Surgery
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    • 제30권1호
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    • pp.92-96
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    • 1997
  • 구강 생식기의 궤양, 안구와 피부 병변을 특징으로 하는 베체씨 병의 예후는 중추 신경계, 위장관, 혈 관계의 합병증에 의존된다. 심장의 병변 특히 대동맥 판막 폐쇄부전증은 매우 드물고, 일반적으로 혈역 학적 불안정성은 개심술을 통하여 치료된다. 그러나 많은 환자에서 인공 판막의 이탈, 판막 주변 누출. 전도 장애, 가성 동맥류 등의 심각한 합병증이 보고되어 왔다. 이런 합병증을 막기 위하여 많은 노력이 있었으며 그중 하나는 동종 이식편읜 사용이었다. 서울대학교병원 흉부외과에서는 베체씨 대동맥염으로 인해 인조 판막 이탈이 있었던 39세 남자 환자에서 동종 이식편을 이용한 대동맥 근위부 치환술을 시도하여 좋은 결과를 얻었기에 문헌 고찰과 함께 보고하는 바이다.

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