Feasible induction of coronary artery vasospasm occurred during cardiac catheterization in a microminipig
| Autor: | Xin Cao, Kentaro Ando, Hiroshi Ohara, Suchitra Matsukura, Atsushi Sugiyama, Yoshikiyo Akasaka, Hiroko Izumi-Nakaseko, Yuji Nakamura, Takeshi Wada |
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| Rok vydání: | 2016 |
| Předmět: |
medicine.medical_specialty
040301 veterinary sciences Defibrillation medicine.medical_treatment Ventricular tachycardia 0403 veterinary science 03 medical and health sciences 0302 clinical medicine Internal medicine medicine.artery medicine cardiovascular diseases Cardiac catheterization General Veterinary medicine.diagnostic_test business.industry 04 agricultural and veterinary sciences medicine.disease Coronary arteries medicine.anatomical_structure 030220 oncology & carcinogenesis Anesthesia Right coronary artery Coronary vasospasm Ventricular fibrillation cardiovascular system Cardiology business Electrocardiography |
| Zdroj: | Journal of Veterinary Medical Science. 78:873-876 |
| ISSN: | 1347-7439 0916-7250 |
| DOI: | 10.1292/jvms.15-0426 |
| Popis: | A 14 month-old intact microminipig, weighing 8 kg, showed ST-segment elevation in A-B lead electrocardiogram during cardiac catheterization followed by ventricular tachycardia, which degenerated into ventricular fibrillation. Although a direct current defibrillation of 360 J was applied, ventricular tachycardia re-occurred for another 2 times and the direct defibrillation was repeated. After returning to normal sinus rhythm, a marked ST-segment elevation was still observed on leads II, III and aVF together with a remarkable decrease in contractility of inferior wall. The heart was excised for precise macroscopic and histological examinations, but there was no dissection, embolus or thrombus in the coronary arteries. These findings suggest that right coronary artery vasospasm could have caused the ischemic attack, leading to lethal arrhythmias. |
| Databáze: | OpenAIRE |
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