Gas Tensions in Cardiac Lymph as a Reflection of the Interstitial Space of the Heart
The purpose of this study was to determine the feasibility of measuring partial pressure of oxygen (pO2), partial pressure of carbon dioxide (pCO2), and pH in cardiac lymph and to evaluate the relationship of these parameters to comparable measurements in arterial and coronary sinus blood in the nor...
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| Veröffentlicht in: | Angiology 1998-09, Vol.49 (10), p.735-741 |
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| creator | Palmer, Arthur S. Miller, Albert J. Davis, Cornelius Greene, Rodney |
| description | The purpose of this study was to determine the feasibility of measuring partial pressure of oxygen (pO2), partial pressure of carbon dioxide (pCO2), and pH in cardiac lymph and to evaluate the relationship of these parameters to comparable measurements in arterial and coronary sinus blood in the normal heart under various respiratory conditions. In four anesthetized open-chest dogs, the principal cardiac lymphatic as well as the femoral artery and coronary sinus were cannulated. Ventilation was varied by changing oxygen concentration, tidal volume, and respiratory rate. PO2, pCO2, and pH were measured in the cardiac lymph, arterial blood, and coronary sinus blood after each change in venti lation. For pH and pCO2, good correlations were observed between the arterial blood and cardiac lymph, arterial blood and coronary sinus blood, and coronary sinus blood and cardiac lymph. The correlation between the pO2 measured in the arterial blood and the pO2 measured in the cardiac lymph was not as strong, and this may have been related to difficulty achieving a steady state. Gas tensions (pO2, pCO2, and pH) can be measured in cardiac lymph and may provide a window to the interstitial compartment of the heart. This is an additional tool for the laboratory study of ischemia and other forms of heart disease. |
| doi_str_mv | 10.1177/000331979804901005 |
| format | Article |
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In four anesthetized open-chest dogs, the principal cardiac lymphatic as well as the femoral artery and coronary sinus were cannulated. Ventilation was varied by changing oxygen concentration, tidal volume, and respiratory rate. PO2, pCO2, and pH were measured in the cardiac lymph, arterial blood, and coronary sinus blood after each change in venti lation. For pH and pCO2, good correlations were observed between the arterial blood and cardiac lymph, arterial blood and coronary sinus blood, and coronary sinus blood and cardiac lymph. The correlation between the pO2 measured in the arterial blood and the pO2 measured in the cardiac lymph was not as strong, and this may have been related to difficulty achieving a steady state. Gas tensions (pO2, pCO2, and pH) can be measured in cardiac lymph and may provide a window to the interstitial compartment of the heart. This is an additional tool for the laboratory study of ischemia and other forms of heart disease.</description><identifier>ISSN: 0003-3197</identifier><identifier>EISSN: 1940-1574</identifier><identifier>DOI: 10.1177/000331979804901005</identifier><identifier>PMID: 9756425</identifier><identifier>CODEN: ANGIAB</identifier><language>eng</language><publisher>Thousand Oaks, CA: SAGE Publications</publisher><subject>Animals ; Biological and medical sciences ; Dogs ; Feasibility Studies ; Heart - physiology ; Hydrogen-Ion Concentration ; Investigative techniques, diagnostic techniques (general aspects) ; Lymph - chemistry ; Medical sciences ; Miscellaneous. Technology ; Oxygen - blood ; Oxygen Consumption ; Partial Pressure ; Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques</subject><ispartof>Angiology, 1998-09, Vol.49 (10), p.735-741</ispartof><rights>1998 INIST-CNRS</rights><rights>Copyright Westminster Publications, Inc. 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In four anesthetized open-chest dogs, the principal cardiac lymphatic as well as the femoral artery and coronary sinus were cannulated. Ventilation was varied by changing oxygen concentration, tidal volume, and respiratory rate. PO2, pCO2, and pH were measured in the cardiac lymph, arterial blood, and coronary sinus blood after each change in venti lation. For pH and pCO2, good correlations were observed between the arterial blood and cardiac lymph, arterial blood and coronary sinus blood, and coronary sinus blood and cardiac lymph. The correlation between the pO2 measured in the arterial blood and the pO2 measured in the cardiac lymph was not as strong, and this may have been related to difficulty achieving a steady state. Gas tensions (pO2, pCO2, and pH) can be measured in cardiac lymph and may provide a window to the interstitial compartment of the heart. This is an additional tool for the laboratory study of ischemia and other forms of heart disease.</description><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Dogs</subject><subject>Feasibility Studies</subject><subject>Heart - physiology</subject><subject>Hydrogen-Ion Concentration</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Lymph - chemistry</subject><subject>Medical sciences</subject><subject>Miscellaneous. Technology</subject><subject>Oxygen - blood</subject><subject>Oxygen Consumption</subject><subject>Partial Pressure</subject><subject>Pathology. Cytology. Biochemistry. Spectrometry. 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Technology</topic><topic>Oxygen - blood</topic><topic>Oxygen Consumption</topic><topic>Partial Pressure</topic><topic>Pathology. Cytology. Biochemistry. Spectrometry. 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In four anesthetized open-chest dogs, the principal cardiac lymphatic as well as the femoral artery and coronary sinus were cannulated. Ventilation was varied by changing oxygen concentration, tidal volume, and respiratory rate. PO2, pCO2, and pH were measured in the cardiac lymph, arterial blood, and coronary sinus blood after each change in venti lation. For pH and pCO2, good correlations were observed between the arterial blood and cardiac lymph, arterial blood and coronary sinus blood, and coronary sinus blood and cardiac lymph. The correlation between the pO2 measured in the arterial blood and the pO2 measured in the cardiac lymph was not as strong, and this may have been related to difficulty achieving a steady state. Gas tensions (pO2, pCO2, and pH) can be measured in cardiac lymph and may provide a window to the interstitial compartment of the heart. 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| ispartof | Angiology, 1998-09, Vol.49 (10), p.735-741 |
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| subjects | Animals Biological and medical sciences Dogs Feasibility Studies Heart - physiology Hydrogen-Ion Concentration Investigative techniques, diagnostic techniques (general aspects) Lymph - chemistry Medical sciences Miscellaneous. Technology Oxygen - blood Oxygen Consumption Partial Pressure Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques |
| title | Gas Tensions in Cardiac Lymph as a Reflection of the Interstitial Space of the Heart |
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