生物假体和同体移植肺置换术后抗凝治疗的影响
Alexander K Reed1, Lynn A Sleeper2, Nathalie Roy1
1Department of Cardiac Surgery, Boston Children's Hospital, Boston, Massachusetts.
The Annals of thoracic surgery
|January 19, 2025
概括
肺置换 (PVR) 以生物假肢或同体移植后的短期抗凝药似乎是安全的,没有显示出增加的出血风险. 需要进一步的研究来确认其对长期门耐用性的影响.
科学领域:
- 心脏病学 心脏病学
- 心脏外科手术 心脏外科手术
- 生物医学工程 生物医学工程
背景情况:
- 抗凝剂对使用生物假体门和同体移植的肺门置换术 (PVR) 后早期结局的影响尚不清楚.
- 这项研究调查了在接受PVR的患者中短期抗凝药的安全性和有效性.
研究的目的:
- 评估抗凝治疗与PVR后早期术后结果之间的关联.
- 评估抗凝剂对门耐用性,再干预率和假体门功能障碍的影响.
主要方法:
- 一项回顾性队列研究,比较了在2015年至2021年期间接受PVR并使用生物假体或同种植 (>15毫米) 的患者.
- 倾向性得分调整用于比较抗凝血和非抗凝血组之间的结果,包括存活率,心声回声数据,再干预和门功能障碍.
主要成果:
- 在531名患者中,抗凝剂与重新干预无关 (HR 0.78,P=0.75).
- 服用抗凝血剂的患者表现出较低门功能障碍率的趋势 (9%对15%,或0.54,P=0.25).
- 两组之间没有观察到早期主要出血或其他术后结果的显著差异.
结论:
- 在PVR后的抗凝治疗是安全的,没有增加重大术后出血的风险.
- 该研究表明,减少门功能障碍有潜在的益处,但需要进行更长的随访,以确定其对中期和长期门耐用性的影响.
相关概念视频
Anticoagulant Drugs: Low-Molecular-Weight Heparins
606
Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
606
Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists
147
Prostacyclin receptor agonists are a class of therapeutic agents integral to managing pulmonary arterial hypertension (PAH). These drugs operate by mimicking the action of prostaglandin I2, or PGI2, a naturally occurring compound in the body.
These agonists bind to the IPR receptor situated on the plasma membrane of the pulmonary artery smooth muscle cells. This binding triggers a cascade of reactions known as the GS-AC-cAMP-PKA pathway. This pathway results in the relaxation of smooth muscle...
These agonists bind to the IPR receptor situated on the plasma membrane of the pulmonary artery smooth muscle cells. This binding triggers a cascade of reactions known as the GS-AC-cAMP-PKA pathway. This pathway results in the relaxation of smooth muscle...
147


