Is PA-PWRmax truly a preload-independent index of myocardial contractility in anesthetized humans?

Cardiology

Volumn 102, Issue 2, 2004, Pages 77-81

  Lester, Steven J ^a,c   Shin, Henry ^a   Lambert, A Stephane ^a   Miller, Joseph P ^a   Cahalan, Michael K ^a   Seeberger, Manfred D ^b   Foster, Elyse ^a   Schiller, Nelson B ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b UNIVERSITY HOSPITAL BASEL   (Switzerland)

^c MAYO CLINIC   (United States)

Author keywords

Contractility; Echocardiography; Hemodynamics; Power index; Ventricular function

Indexed keywords

ARTICLE; CARDIOPULMONARY BYPASS; CONTROLLED STUDY; DIASTOLIC BLOOD PRESSURE; ECHOCARDIOGRAPHY; HEART LEFT VENTRICLE; HEART MUSCLE CONTRACTILITY; HEART VENTRICLE ENDDIASTOLIC PRESSURE; HEART VENTRICLE PRESSURE; HEART VOLUME; HOMEOSTASIS; HUMAN; MAJOR CLINICAL STUDY; MEAN ARTERIAL PRESSURE; MEDICAL ASSESSMENT; PRIORITY JOURNAL; PROSPECTIVE STUDY; ST SEGMENT; STROKE;

ANESTHESIA, GENERAL; CARDIAC OUTPUT; HEMODYNAMIC PROCESSES; HUMANS; MYOCARDIAL CONTRACTION; PROSPECTIVE STUDIES; VENTRICULAR FUNCTION, LEFT; VENTRICULAR PRESSURE;

EID: 4043140232     PISSN: 00086312     EISSN: None     Source Type: Journal    
DOI: 10.1159/000077908     Document Type: Article

References (17)

1. Sarnoff SJ, Braunwald E, Welch GH Jr, Case RB, Stainsby WN, Macruz R: Hemodynamic determinants of oxygen consumption of the heart with special reference to the tension-time index. Am J Physiol 1958;192:148-156.
2. Gleason WL, Braunwald E: Studies on the first derivative of the ventricular pressure pulse in man. J Clin Invest 1962;41:80-91.
3. Siegel JH, Sonnenblick EHP: Isometric timetension relationships as an index of myocardial contractility. Circ Res 1963;12:597-610.
4. Blinks JR, Jewell BR: The Meaning and Measurement of Contractility. London, Academic Press, 1972.
5. Suga H, Sagawa K, Shoukas AA: Load independence of the instantaneous pressure-volume ratio of the canine left ventricle and effects of epinephrine and heart rate on the ratio. Circ Res 1973;32:314-322.
6. Suga H, Sagawa K: End-diastolic and end-systolic ventricular volume clamper for isolated canine heart. Am J Physiol 1977;233:H718-H722.
7. Kass DA, Beyar R: Evaluation of contractile state by maximal ventricular power divided by the square of end-diastolic volume. Circulation 1991;84:1698-1708.
8. Mandarino WA, Pinsky MR, Gorcsan J 3rd: Assessment of left ventricular contractile state by preload-adjusted maximal power using echocardiographic automated border detection. J Am Coll Cardiol 1998;31:861-868.
9. Seeberger MD, Cahalan MK, Chu E, Balea M, Ionescu P, Merrick S, Foster E, Schiller N: Severe loading reductions may induce new segmental wall motion abnormalities in the absence of myocardial ischemia (abstract). Anesth Analg 1994;78:S379.
10. Seeberger MD, Cahalan MK, Rouine-Rapp K, Foster E, Ionescu P, Balea M, Merrick S, Schiller NB: Acute hypovolemia may cause segmental wall motion abnormalities in the absence of myocardial ischemia. Anesth Analg 1997;85:1252-1257.
11. Seeberger MD, Cahalan MK, Chu E, Foster E, Ionescu P, Balea M, Adler S, Merrick S, Schiller NB: Rapid atrial pacing for detecting provokable demand ischemia in anesthetized patients. Anesth Analg 1997;84:1180-1185.
12. Shrout PE, Fleiss JL: Intraclass correlations: Uses in assessing rater reliability. Psychol Bull 1979;86:420-428.
13. Sharir T, Marmor A, Ting CT, Chen JW, Liu CP, Chang MS, Yin FC, Kass DA: Validation of a method for noninvasive measurement of central arterial pressure. Hypertension 1993;21:74-82.
14. Stein PD, Sabbah HN: Rate of change of ventricular power: An indicator of ventricular performance during ejection. Am Heart J 1976;91:219-227.
15. Snell RE, Luchsinger PC: Determination of the external work and power of the left ventricle in intact man. Am Heart J 1965;81:529-537.
16. Hebert JL, Zamani K, Coirault C, Philippe EG, Wuilliez N, Larsonneur L, Lecarpentier Y, Chemla D: Relationship between end-systolic aortic pressure and mean aortic pressure in adults (in French). Arch Mal Coeur Vaiss 1996;89:1633-1642.
17. Sharir T, Feldman MD, Haber H, Feldman AM, Marmor A, Becker LC, Kass DA: Ventricular systolic assessment in patients with dilated cardiomyopathy by preload-adjusted maximal power: Validation and noninvasive application. Circulation 1994;89:2045-2053.