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National and Kapodistrian University of Athens

ΠΕΙΡΑΜΑΤΙΚΑΙ ΠΑΡΑΤΗΡΗΣΕΙΣ ΚΑΤΑ ΤΗΝ ΔΙΟΡΘΩΣΙΝ ΤΗΣ ΑΟΡΤΙΚΗΣ ΑΝΕΠΑΡΚΕΙΑΣ ΔΙΑ ΤΟΠΟΘΕΤΗΣΕΩΣ ΕΠΙ ΚΑΘΕΤΗΡΟΣ ΑΕΡΟΘΑΛΑΜΟΥ-ΒΑΛΒΙΔΟΣ ΕΙΣ 4 ΔΙΑΦΟΡΕΤΙΚΑΣ ΘΕΣΕΙΣ

Abstract

dc:description

11 MONGREL DOGS WERE USED TO STUDY THE EFFECT OF A CATHETER MOUNTED VALVE ON THE CORONARY ARTERIAL CIRCULATION AND THE AORTIC PRESSURE DURING CORRECTION OF ACUTE EXPERIMENTAL AORTIC REGURGITATION. 1) THE CORRECTION OF AORTIC PRESSURE (DISTAL TO THE POSITION OF THE BALLOON VALVE) IN AORTIC REGURGITATION CAN BE ACHIEVED BY POSITIONING THE BALLOON VALVE AT ANY LEVEL. FROM THE AORTIC RING TOTHE DESCENDING (THORACIC) AORTA (POSITION 2, 3, 4). 2) THE CORONARY FLOW INCREASED AND ITS PATTERN CHANGED TO BECOME MAINLY DIASTOLIC ONLY WHEN THE BALLOONVALVE WAS PLACED IN THE AORTIC RING. 3) THE CORONARY FLOW DID NOT CHANGE SIGNIFICANTLY IF THE BALLOON VALVE WAS PLACED IN THE DESCENDING (THORACIC) AORTA,WHILE IT DECREASED IF THE BALLOON VALVE WAS PLACED IN THE ASCENDING AORTA. 4)THE FUNCTION OF THE BALLOON VALVE WITHIN THE LEFT VENTRICULAR CAVITY DID NOT AFFECT THE CORONARY FLOW AND THE AORTIC PRESSURE.

Degree

thesis:*
Grantor dc:publisher
National and Kapodistrian University of Athens
Year dc:date
1986

Author and committee

dc:creator, dc:contributor.*
Authors dc:creator
  • Karras, Apostolos
  • Καρράς, Απόστολος

Subjects

dc:subject × 12

Rights

Language dc:language
gre

Identifiers

dc:identifier.*
Identifier
10.12681/eadd/0385
OAI identifier oai:identifier
oai:10442/0385

Chain of custody

source
Harvested from
Greek National Archive of PhD Theses
Base URL
phdtheses.ekt.gr/eadd_oai/request
Last updated
2026-07-24
Source record
OAI-PMH GetRecord
citation

Karras, Apostolos; Καρράς, Απόστολος. ΠΕΙΡΑΜΑΤΙΚΑΙ ΠΑΡΑΤΗΡΗΣΕΙΣ ΚΑΤΑ ΤΗΝ ΔΙΟΡΘΩΣΙΝ ΤΗΣ ΑΟΡΤΙΚΗΣ ΑΝΕΠΑΡΚΕΙΑΣ ΔΙΑ ΤΟΠΟΘΕΤΗΣΕΩΣ ΕΠΙ ΚΑΘΕΤΗΡΟΣ ΑΕΡΟΘΑΛΑΜΟΥ-ΒΑΛΒΙΔΟΣ ΕΙΣ 4 ΔΙΑΦΟΡΕΤΙΚΑΣ ΘΕΣΕΙΣ. National and Kapodistrian University of Athens, 1986. http://hdl.handle.net/10442/hedi/0385