摘要:ONE OF THE UNDESIRED COMPLICATIONS FOLLOWING A SURGERY IS THE TROMBOFLEBITIS OF THE INFERIOR LIMBS, WHICH CAN LEAD TO PULMONARY EMBOLISM. MASSIVE PULMONARY EMBOLISM STARTING FROM THE DEEP VENOUS SYSTEM OF THE LOWER LEGS IS ONE OF THE POST SURGERY COMPLICATIONS THAT SETS IN VERY QUICKLY AND HAS A DEATH RATE ALMOST IMPOSSIBLE TO SAVE. I HAVE ANALYZED ORTHOPEDIC SURGERIES IN DEVA COUNTY HOSPITAL AND THE SURGERY CLINIC 1, TIMIS COUNTY HOSPITAL FOR FIVE YEARS. CONSEQUENTLY, WE HAVE OBSERVED THAT THE THROMBOEMBOLISM RISK DEPENDS BOTH ON THE SIZE OF THE SURGERY AND THE CO-MORBIDITY OF THE PATIENTS (VENOUS, MALIGNANT OR CARDIAC DISORDERS, SPLENECTOMIES, BLOOD DISORDERS, ETC). DEEP TROMBOFLEBITIS REQUIRES ENERGETIC MEASURES OF MEDICAL SURGICAL TREATMENT TO RENEW THE PERMEABILITY OF THE DEEP VENOUS SYSTEM AND TO PREVENT PULMONARY EMBOLISM. IN CONCLUSION, DEEP TROMBOFLEBITIS CANNOT BE PREVENTED IN ALL OF PATIENTS WHO HAVE UNDERGONE SURGERY. THIS COMPLICATION EXISTS IN ALL SURGICAL CASES REGARDLESS OF THE APPLIED PROPHYLACTIC MEASURES.