[Transesophageal cardiac pacemakers]. / Chrespishchevodnye élektrokardiostimuliatory.

Based on over 10-year experience in developing, clinically testing, and using a great deal of different models of transesophageal pacemakers, the paper presents a concept of a present-day pacemaker. It reviews the production and experimental models of these apparatuses currently available in Russia.

[The postoperative control of the technical links in the biotechnical system of assisted circulation]. / Posleoperatsionnyi kontrol' tekhnicheskikh zven'ev biotekhnicheskoi sistemy vspomogatel'nogo krovoobrashcheniia.

Presently, it is impossible to develop a completely implantable mechanical self-contained system of extracorporeal circulation that can maintain a patient's heart performance for a long time. In this connection, replacement of a mechanical assister by a biological one is promising as this may clear up a lot of troubles of the mechanical systems. The prominent example of successful realization of the completely implantable self-contained system of extracorporeal circulation is a biotechnological system (BTS) which is formed by dynamic cardiomyoplasty and includes the heart, a cardiac electrode, an implantable blood muscular pump pacemaker (BMPP). A muscular electrode, and muscle autograft that acts as an assister. The authors propose the formalized algorithms of noninvasive postoperative control of the technical links of BTS-BMPP and electrodes. The diagnostic algorithms of BTS containing one- and two-channel BMPP are different and based on electrocardiographic, X-ray, and other noninvasive findings.