Blood Loss Associated with Ring Uncemented Total Knee Replacement: Comparison between Continuous and Intermittent Suction Drainage

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Abstract
In a retrospective comparison of blood loss following uncemented total knee replacement, in which either continuous or intermittent suction drainage was used, measured blood loss was significantly greater with continuous drainage. However, a method of calculating actual blood loss demonstrated no significant difference. With intermittent drainage, more blood remains undetected around the knee joint; this technique should therefore be abandoned in favour of continuous suction drainage.

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