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VTE Guidance Template [Specialist Society] The consensus views of the [Specialist Society] GENERAL RECOMMENDATIONS 1. Avoid drugs which interact with pharmacological prophylaxis when used (aspirin, NSAIDs, clopidogrol). 2. Avoid mechanical methods for patients with poor or insensate skin. Level of VTE Risk Very Low Low Moderate High – but outweighed by risk of bleeding High Extreme Recommended Prophylaxis None None/mechanical Mechanical Mechanical and then add Pharmacological Prophylaxis (PP) when bleeding risk diminishes PP PP GENERAL LIKLIHOOD OF RISK [FOR SPECIALTY SURGERY] General Risk Factors Total anaesthetic and surgical time greater than 90 minutes Bed rest greater than 3 days or significant reduction in mobility Acute trauma Age greater than 60 years Active malignancy including chemotherapy and radiotherapy Personal history of VTE Inherited thrombophilia Family history of VTE (first degree relative) Obesity BMI >30 Pre-existing major illness (cardiac respiratory metabolic inflammation acute infection) Drug use associated with risk of VTE (oestrogen containing contraceptive pill, hormone replacement therapy tamoxifen) Likelihood for open and major [Specialty] surgery Likelihood for arthroscopic and mini-open [Specialty] surgery Immobility Pregnancy or less than 6 weeks post-partum Dehydration Critical care patient DURATION OF RISK Procedure Day case and arthroscopic surgery Mini-open day case and overnight stay surgery Open internal fixation for fracture in under 60 year olds with surgery lasting less than 90 minutes Open internal fixation for fracture in over 60 year olds with surgery lasting more than 60 minutes Open internal fixation for fracture with surgery lasting more than 90 minutes [Specialty] joint replacement Revision [Specialty] joint replacement Tumour surgery Duration of Risk RISK FOR PROCEDURES AND GROUPS OF PROCEDURES FOR [SPECIALTY SURGERY] Procedure Arthroscopy and day case procedures Arthroscopy and mini-open overnight stay procedures Internal fixation of fractures Joint replacement and revision joint replacement Tumour surgery and anthrodesis LITERATURE Most Significant Reviews: References: Expert Opinion and Surveys: Risk Level