190 



PHYSIOLOGY OF INDUCED HYPOTHERMIA 



TABLE X 



Platelets (per cu. mm.) 



White blood cells 

 (per cu. mm.) 



Temp. ° C. 



37 



20 



f Aorta 242,000 106,000 27,000 64,000 



Low inf. vena cava. 233,000 82,000 23,000 73,000 

 Portal vein 212,000 53,500 21.000 77.500 



Hepatic vein 146,500 



[Aorta 18,400 



Low inf. vena cava. . 18,200 



Portal vein 11,600 



Hepatic vein 11,200 



40,000 



6.300 

 8,400 

 6,000 

 8,300 



11.500 

 4.000 



3,800 

 4,100 



101,000 



6,000 

 5.300 

 4,000 

 5,900 



30 



129,500 

 126,000 

 141,500 

 150,000 



7,700 

 7,900 

 8,300 

 7,900 



TABLE XI 

 Hypothermia in Splenectomized Dog 



Aorta blood 



Platelets WBC 

 Temp. ° C. (per cu. mm.) Hemoglobin (per cu. mm.) 



37 360,500 16.8 11,400 



25 149,000 18.7 7,800 



20 58,500 18.0 6,000 



25 98,500 16.4 3,000 



30 145,500 17.8 5,500 



High inferior vena cava 



Platelets 

 (per cu. mm.) 



257,000 

 115,000 

 49,000 

 135,000 

 205,500 



WBC 



Hemoglobin (per cu. mm.) 



17.6 

 18.0 

 18.3 

 16.8 

 17.3 



9,100 

 6,300 

 5,800 

 5,000 

 5,900 



TABLE XII 

 Hypothermia in Splenectomized Dog 



Aorta blood 



Platelets WBC 

 Temp. ° C. (per cu. mm.) Hemoglobin (per cu. mm.) 



37 369,500 14.3 24,900 



25 138,000 15.7 8,200 



20 42,500 16.4 5,200 



25 75,500 15.1 6,600 



30 198,500 16.2 12,600 



High inferior vena cava 



TABLE XIII 

 Total Hepatectomy — Counts from Aorta 



Platelets WBC 



Temp. ° C. (per cu. mm.) (per cu. mm.) HCT 



37 237,000 11,200 43.5 



25 168,000 10,900 40.7 



20 138,000 8,700 3S.7 



35 144,000 9,400 39.4 



30 265,000 15.000 40.1 



cantly altered, nor was the hemoglobin rise changed. This wotild seem to indicate 

 that the spleen alone cannot be a major factor. In tables XIII and XIV the results 

 of total hepatectomy on the platelet drop of hypothermia are studied. The hej^atec- 

 tomy appears to have decreased the platelet drop, the white cell drop and the 

 hematocrit rise. However, in table XIV hepatectomy does not appear to have had a 

 significant effect. Incidentally, the major surgical procedure which the animal under- 

 went can easily explain the hematocrit drop seen in table XIII. 



