Pig Model of Pulmonary Embolism: Where Is the ... - Semantic Scholar

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1Institute of Physiology, First Faculty of Medicine, Charles University in Prague, Czech Republic, ... important for adequate coronary perfusion (Molloy et al.
Physiol. Res. 62 (Suppl. 1): S173-S179, 2013

Pig Model of Pulmonary Embolism: Where Is the Hemodynamic Break Point? J. KUDLIČKA1,2, M. MLČEK1, P. HÁLA1,3, S. LACKO1, D. JANÁK1,4, M. HRACHOVINA1, J. MALÍK2, J. BĚLOHLÁVEK5, P. NEUŽIL3, O. KITTNAR1 1

Institute of Physiology, First Faculty of Medicine, Charles University in Prague, Czech Republic, Third Department of Medicine, First Faculty of Medicine, Charles University in Prague and General University Hospital, Prague, Czech Republic, 3Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic, 4Second Department of Surgery, First Faculty of Medicine, Charles University in Prague and General University Hospital, Prague, Czech Republic, 5Second Department of Medicine, First Faculty of Medicine, Charles University in Prague and General University Hospital, Prague, Czech Republic 2

Received March 18, 2013 Accepted September 4, 2013

Summary

Key words

Early recognition of collapsing hemodynamics in pulmonary

Pulmonary embolism • Hemodynamics • Shock • Pig model

embolism is necessary to avoid cardiac arrest using aggressive medical therapy or mechanical cardiac support. The aim of the

Corresponding author

study

hemodynamic

Jaroslav Kudlicka, 3rd Dept. of Medicine, General University

compensatory steady state. Overall, 40 dynamic obstructions of

Hospital, U Nemocnice 1, 128 08 Prague, Czech Republic. E-mail:

pulmonary artery were performed and hemodynamic data were

[email protected]

was

to

identify

the

maximal

acute

collected. Occlusion of only left or right pulmonary artery did not lead to the hemodynamic collapse. When gradually obstructing

Introduction

the bifurcation, the right ventricle end-diastolic area expanded proportionally to pulmonary artery mean pressure from 11.6 (10.1, 14.1) to 17.8 (16.1, 18.8) cm2 (p