TY JOUR TI MODERN VIEW ON THE PROBLEM OF THROMBOEMBOLIC COMPLICATIONS AFTER INTRAMEDULLARY OSTEOSYNTHESIS FOR PROXIMAL FEMUR FRACTURES KW venous thromboembolic complications KW proximal femur fractures KW ultrasound dopplerography KW intramedullary blocked osteosynthesis KW mechanical prophylaxis KW medication prophylaxis KW low-molecular- weight heparin KW laboratory diagnostics JO Medical Bulletin of the Ministry of Internal Affairs AU HASANOV, R.S. AU SIRAZITDINOV, S.D. AU EMELIN, A.L. AU PANKOV, I.O. PY 2025 IS 2025 PB State institution Joint editorial office of the Ministry of Internal Affairs of Russia