2014年6月1日 · Steam pop refers to the audible sound produced by intramyocardial explosion when tissue temperature reaches 100°C, leading to the production of gas. 1 It is a potentially severe complication of radiofrequency ablation because it has been associated with cardiac perforation 2 and ventricular septal defect. 3 The present case is, to our ...

Steam pop (SP) refers to the audible sound produced by intramyocardial explosion when tissue temperature reaches 100°C, leading to the production of gas. Coagulation necrosis starts above 50°C, but as higher tissue temperatures are achieved, steam …

Steam pops were defined as an audible pop associated with a sudden spike in impedance. Ablation lesions before or after pops served as controls. Results: From a total of 4,107 ablation lesions, 62 (1.5%) steam pops occurred in 42 procedures in 38 patients.

2014年4月16日 · If this gas bubble suddenly bursts inward toward the endocardium or outward to the epicardium, it can cause an audible “pop.” The following video (courtesy of Dr. Dave Schwartzman, UPMC, Pittsburgh, PA) shows an ex vivo tissue preparation and formation of a steam pop during application of RFA.

2021年5月2日 · Steam pop refers to a potentially serious complication of RF ablation owing to excessive tissue heating. Intramyocardial temperatures above 100°C during RF lesion formation may lead to tissue boiling and gas vaporization with localized eruption.

Cardiac ablation–induced steam pops release air/tissue emboli that may cause myocardial infarctions or strokes. The resulting endocardial damage, if excessive, may result in perforations and/or the development of cardiac tamponade. Microbubbles often are released before the elicitation of steam pops.

During the RFA procedure, an unintended audible explosion called “steam pop” occurs, due to the increased internal steam pressure in the ablation region, as described in Figure 1b. It has been pointed out that steam pop during the RFA procedure can induce various thermal and mechanical effects on neighboring tissues.

主任医师，医学博士，博士生导师。浙江大学医学院附属邵逸夫医院心内科副主任、房颤中心主任，国家介入培训基地起搏与电生理专业指导教师，中国生物医学工程学会心律分会主任委员，国家心血管疾病管理能力评估和提升项目（cdqi）房颤中心秘书长，中华医学会心血管病分会心电生理 …

2020年9月14日 · Steam pop (SP) refers to the audible sound produced by intramyocardial explosion when tissue temperature reaches 100 °C, leading to the production of gas [1]. The high endocardial tissue temperatures develop blood/tissue vaporizations and explosion.

We reviewed consecutive endocardial open-irrigated RFA for ventricular tachycardia (VT) with continuously recorded ablation data in 142 patients with structural heart disease. Steam pops were defined as an audible pop associated with a sudden spike in imped-ance. Ablation lesions before or after pops served as controls.