Table 2.

Absolute systemic( Q̇ sys) and pulmonary( Q̇ pul) flows during the experimental clamping of the systemic vein (right atrial inflow) or pulmonary vein (left atrial inflow)

Psys=3 kPaPsys=6.5 kPaPsys=8 kPa
Q̇ sys Q̇ pul Q̇ sys Q̇ pul Q̇ sys Q̇ pul
Ppul=8 kPa       
Control 19.3±3.1* 2.1±0.9 9.9±1.6* 4.0±1.1   
Clamp systemic vein       
Clamp pulmonary vein 12.3±3.2†,* 1.7±0.7 4.9±1.5† 2.6±0.7   
Ppul=6.5 kPa       
Control 20.5±3.7* 7.3±1.5 11.4±1.2 11.1±0.7 7.3±1.5 9.4±0.6 
Clamp systemic vein 25.3±2.8* 0.4±0.3† 16.9±2.2†,* 0.6±0.4† 13.8±1.2* 0.4±0.3† 
Clamp pulmonary vein 10.6±3.4† 5.2±1.4 2.7±1.0†,* 10.2±1.5   
Ppul=3 kPa       
Control 24.7±2.3 27.9±3.8 17.6±1.8 27.2±3.7 13.3±2.0* 25.3±3.5 
Clamp systemic vein 30.5±4.1* 2.1±0.7† 23.7±2.5* 3.6±0.6† 19.9±1.8* 3.8±0.6† 
Clamp pulmonary vein 4.4±2.2†,* 28.5±3.3 1.7±0.9†,* 29.9±2.9   
Psys=3 kPaPsys=6.5 kPaPsys=8 kPa
Q̇ sys Q̇ pul Q̇ sys Q̇ pul Q̇ sys Q̇ pul
Ppul=8 kPa       
Control 19.3±3.1* 2.1±0.9 9.9±1.6* 4.0±1.1   
Clamp systemic vein       
Clamp pulmonary vein 12.3±3.2†,* 1.7±0.7 4.9±1.5† 2.6±0.7   
Ppul=6.5 kPa       
Control 20.5±3.7* 7.3±1.5 11.4±1.2 11.1±0.7 7.3±1.5 9.4±0.6 
Clamp systemic vein 25.3±2.8* 0.4±0.3† 16.9±2.2†,* 0.6±0.4† 13.8±1.2* 0.4±0.3† 
Clamp pulmonary vein 10.6±3.4† 5.2±1.4 2.7±1.0†,* 10.2±1.5   
Ppul=3 kPa       
Control 24.7±2.3 27.9±3.8 17.6±1.8 27.2±3.7 13.3±2.0* 25.3±3.5 
Clamp systemic vein 30.5±4.1* 2.1±0.7† 23.7±2.5* 3.6±0.6† 19.9±1.8* 3.8±0.6† 
Clamp pulmonary vein 4.4±2.2†,* 28.5±3.3 1.7±0.9†,* 29.9±2.9   

Values are presented as means ± S.E.M. (N=7).

Psys, systemic arterial pressure; Ppul, pulmonary arterial pressure.

*

Significant difference between Q̇sys and Q̇pul.

†

Significant difference between the control condition and the clamping condition.

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