Alterations of oxygen and carbon dioxide tensions in crush-injured calf muscles of rat.
The alterations of oxygen and carbon dioxide tensions in crush-injured muscles were determined by means of a Silastic-tonometer. Immediately after crush-injury the oxygen tension was elevated, then declined and 2 hours after trauma a value of 10 to 14 mmHg was reached. The oxygen tension was 8 to 15 mmHg the next four days after injury, from 5th day the tissue pO2 elevated rapidly. On 14th day the tissue oxygen tension was 60-72 mmHg, thereafter decreased gradually to 40-50 mmHg by the 19th day. The tissue pCO2 elevated within 2 hours after injury to 95-105 mmHg. From 5th day decreased gradually to 50 mmHg by the 21st day.
D000818:Animals; D002245:Carbon Dioxide / Q000032:analysis; D008297:Male; D009132:Muscles / Q000032:analysis / Q000293:injuries*; D010100:Oxygen / Q000032:analysis; D010313:Partial Pressure; D019736:Prostheses and Implants; D012826:Silicone Elastomers; D013997:Time Factors; D014945:Wound Healing; D014947:Wounds and Injuries / Q000503:physiopathology*
D012826:Silicone Elastomers; D002245:Carbon Dioxide; D010100:Oxygen