Fully implantable and bioresorbable cardiac pacemakers without leads or batteries.

Fully implantable and bioresorbable cardiac pacemakers without leads or batteries.
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DOI:
10.1038/s41587-021-00948-x
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发表时间:
2021-10
影响因子:
46.9
通讯作者:
Rogers, John A.
Rogers, John A.
中科院分区:
工程技术1区
文献类型:
--
作者:
Choi, Yeon Sik;Yin, Rose T.;Pfenniger, Anna;Koo, Jahyun;Avila, Raudel;Benjamin Lee, K.;Chen, Sheena W.;Lee, Geumbee;Li, Gang;Qiao, Yun;Murillo-Berlioz, Alejandro;Kiss, Alexi;Han, Shuling;Lee, Seung Min;Li, Chenhang;Xie, Zhaoqian;Chen, Yu-Yu;Burrell, Amy;Geist, Beth;Jeong, Hyoyoung;Kim, Joohee;Yoon, Hong-Joon;Banks, Anthony;Kang, Seung-Kyun;Zhang, Zheng Jenny;Haney, Chad R.;Sahakian, Alan Varteres;Johnson, David;Efimova, Tatiana;Huang, Yonggang;Trachiotis, Gregory D.;Knight, Bradley P.;Arora, Rishi K.;Efimov, Igor R.;Rogers, John A.

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在手术恢复期间需要使用的临时心脏起搏器涉及经皮电极导线和外部硬件,这些电极导线和外部硬件存在感染风险,限制患者活动性,并可能在电极导线移除期间损伤心脏。在此,我们报告了一种无导线、无电池、完全植入式心脏起搏器,用于术后心率和心律控制,在规定的手术时间段后,该起搏器通过自然生物过程完全溶解和清除。我们表明,这些设备提供了有效的心脏起搏的各种大小的小鼠,大鼠,兔子,犬和人类心脏模型,定制的几何形状和操作时间尺度,由无线能量传输供电。这种方法克服了传统临时起搏器械的关键缺点,并可能成为下一代术后临时起搏技术的基础。
Temporary cardiac pacemakers used in periods of need during surgical recovery involve percutaneous leads and externalized hardware that carry risks of infection, constrain patient mobility and may damage the heart during lead removal. Here we report a leadless, battery-free, fully implantable cardiac pacemaker for postoperative control of cardiac rate and rhythm that undergoes complete dissolution and clearance by natural biological processes after a defined operating timeframe. We show that these devices provide effective pacing of hearts of various sizes in mouse, rat, rabbit, canine and human cardiac models, with tailored geometries and operation timescales, powered by wireless energy transfer. This approach overcomes key disadvantages of traditional temporary pacing devices and may serve as the basis for the next generation of postoperative temporary pacing technology.
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