This paper is only available as a PDF. To read, Please Download here.
Abstract
- 1.1. A method for the study of the role of the pulse is described. It employs total diversion of blood around the left heart or heart and lungs of experimental animals with perfusion of the entire systemic circulation using flows of known characteristics.
- 2.2. Experimental animals were subjected to left heart or heart-lung by-pass with maintenance of the systemic circulation using flows with normal amplitude pulsation, reduced amplitude pulsation, or no pulsation. One group of animals were subjected to additional resection of the heart and lungs during nonpulsatile perfusion.
- 3.3. Irrespective of the type of flow used to perfuse the systemic circulation, the triad of blood pressure, pump minute flow, and blood volume (blood balance) remained constant.
- 4.4. Animals of the pulsatile and nonpulsatile categories demonstrated normal function of the central nervous system, heart, and kidneys and normal vascular reactivity during perfusions.
- 5.5. Animals of both categories recovered equally rapidly during the early postoperative period.
- 6.6. The experimental data indicate that the total peripheral vascular tone remains unaltered during nonpulsatile perfusion of the systemic circulation in the entire, intact experimental dog.
- 7.7. The importance of these data to an understanding of normal vascular dynamics and to the design of extracorporeal heart pumps is discussed.
To read this article in full you will need to make a payment
Purchase one-time access:
Academic & Personal: 24 hour online accessCorporate R&D Professionals: 24 hour online accessOne-time access price info
- For academic or personal research use, select 'Academic and Personal'
- For corporate R&D use, select 'Corporate R&D Professionals'
Subscribe:
Subscribe to SurgeryAlready a print subscriber? Claim online access
Already an online subscriber? Sign in
Register: Create an account
Institutional Access: Sign in to ScienceDirect
References
Dennis, C.: Personal communication.
- Pump-oxygenator to Supplant the Heart and Lungs for Brief Periods.Surgery. 1951; 29: 697-713
- Development of a Pump-oxygenator to Replace the Heart and Lungs; an Apparatus Applicable to Human Patients; and Application to One Case.Ann. Surg. 1951; 134: 709-721
- On the Relation of Pulse Pressure to Renal Secretion.Am. J. Physiol. 1913; 32: 70
Gibbon, J. H., Jr.: Personal communication.
- Relation of Arterial Pulse Pressure to Renal Function.Am. J. Physiol. 1951; 167: 689-697
- A Study of the Isolated Kidney—the Influence of Pulse Pressure Upon Renal Function.Am. J. Physiol. 1910; 27: 24-44
- Apparat. zur Durchbluntung Isolirter überlebender Organs.Arch. exper. Path. u. Pharmakol. 1890; 26: 388-400
- Experimental Left Heart to Permit Surgical Exposure of the Mitral Valve in Cats.in: Proc. Soc. Exper. Biol. & Med. 74. 1950: 193
- The Effect of the Pulse on the Spread of Substances Through Tissues.J. Exper. Med. 1938; 68: 377-400
- The Effect of the Pulse Upon the Formation and Flow of Lymph.J. Exper. Med. 1938; 68: 353-376
- Pressure/flow Relations in Kidney; Alleged Effects of Pulse Pressure.Am. J. Physiol. 1952; 168: 480-489
- Effect of Pulse Pressure and Mean Arterial Pressure Modification on Renal Hemodynamics and Electrolytes and Water Excretion.Circulation. 1951; 4: 541-551
- Experimental Maintenance of Life by a Mechanical Heart and Lung During Occlusion of the Vena Cava Followed by Survival.Surg., Gynec. & Obst. 1950; 91: 138-156
- Heart-lung By-pass Using Pumps and Isolated Homologous Lungs.Surg., Gynec. & Obst. 1952; 95: 762-771
- Perfusion of the Pulmonary Circulation by Nonpulsatile Flow.Surgery. 1953; 33: 370-375
- A Pump Mechanism for Artificial Maintenance of the Circulation.in: Proc. Surg. Forum, Clin. Congress Am. Coll. Surgeons, 1950 W. B. Saunders Company, Philadelphia1951: 226-233
- Experimental Maintenance of the Circulation by Mechanical Pumps.Surgery. 1952; 31: 769-793
Article info
Publication history
Received:
July 17,
1954
Identification
Copyright
© 1955 Published by Elsevier Inc.