在透心肌激光再血管化后的心脏交感性消毒
T Al-Sheikh1, K B Allen, S P Straka
1Krannert Institute of Cardiology, Indiana University, and St Vincent Hospital, Indianapolis, IN, USA.
Circulation
|July 14, 1999
概括
透心肌激光再血管 (TMR) 可能通过减少心脏中的交感神经活动来缓解心痛,而不是通过改善血液流动来缓解心痛. 这项研究调查了TMR.
科学领域:
- 心脏病学 心脏病学
- 心脏外科手术 心脏外科手术
- 核心脏病学 核心脏病学
背景情况:
- 透心肌激光复血管 (TMR) 用于耐火性心痛.
- 它的作用机制是有争议的,因为改善的心肌 perfusion 并没有始终观察到.
研究的目的:
- 为了调查TMR是否通过引起心肌交感缩来缓解心痛.
主要方法:
- 在8名患者的TMR前后,正子发射断层扫描 (PET) 图像评估了心肌输液 ([13N]氨) 和交感内置 ([11C]) 在TMR前后.
- 患者患有严重的胸痛,无法接受常规干预措施.
主要成果:
- 所有患者在TMR后报告 significant angina 的明显改善.
- 在大多数患者 (6/8) 中,TMR 增加了交感性缩,但没有显著改变休息或应激心肌输液.
- 预先存在的交感性肌损伤比 perfusion 缺陷更为广泛.
结论:
- 在大多数患者中,TMR导致心肌交感内置减少.
- 这表明,同情性皮化,而不是改善的输液,可能是TMR后痛缓解的关键机制.
更多相关视频
08:51Intra-cardiac Side-Firing Light Catheter for Monitoring Cellular Metabolism using Transmural Absorbance Spectroscopy of Perfused Mammalian Hearts
Published on: May 12, 2019
05:26Postconditioning with Lactate-enriched Blood for Cardioprotection in ST-segment Elevation Myocardial Infarction
Published on: May 28, 2019
相关概念视频
01:21Cardiac Catheterization II: Right Heart Catheterization
Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
01:26Cardiac Catheterization IV: Nursing Management
Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
01:29Cardiomyopathy V: Interprofessional Care
Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...