Construction of a National Diagnosis and Treatment Quality Control Platform for Major Respiratory Diseases

Build a national diagnosis and treatment quality control platform for major respiratory diseases It will establish and improved a "National diagnosis and Treatment quality control Platform for major respiratory diseases", and form a three-level network of diagnosis and treatment quality control for major respiratory diseases with a three-level system structure of "national, provincial and hospital".Promote standardized diagnosis and treatment techniques for major respiratory diseases Relying on the specialized disease collaboration group or innovative unit model, all-round and hierarchical precision training and teaching are carried out to popularize and promote standardized diagnosis and treatment technology schemes for major respiratory diseases, so as to achieve the homogenization of diagnosis and treatment level for major respiratory diseases.

Inclusion Criteria:I. For patients at high risk for VTE 1) Have an expected hospital stay of ≥72 hours for medical and/or surgical treatment II. For patients diagnosed with VTE1) With clearly diagnosed of deep vein thrombosis or pulmonary thromboembolismExclusion Criteria:I. For patients at high risk for VTEVTE identified on CTPA or lower extremity vein ultrasound at or any time before enrollmentRequiring a full dose of anticoagulant treatment before enrollment (e.g., recent VTE, atrial fibrillation).