NCP Domain 2 · Physical Aspects of Care
Blood Products & Transfusion
Some patients, most visibly Jehovah's Witnesses, decline blood transfusion on religious grounds. This page explains what the evidence shows about blood-conservation strategies and outcomes for patients who decline transfusion (every hospital's hardest values case, and a well-studied one).
Viewing as: Patient & Family · Change
Scope: patient blood management, transfusion-avoidance outcomes, and blood-conservation techniques. Tradition-specific positions are named in prose only below, pending live verification. Not clinical protocol guidance.
Clinical evidence
A meta-analysis of 17 studies and 235,779 patients found three-pillar patient blood management cut transfusion rates by 39% (RR 0.61), while also reducing length of stay, complications (RR 0.80), and mortality (RR 0.89).
A Cleveland Clinic study of 322 Jehovah's Witness cardiac-surgery patients (who refuse transfusion) versus 87,453 non-Witnesses, propensity-matched, found Witnesses had better 1-year survival (95% vs. 89%) and comparable 20-year survival.
A Cochrane review of 75 randomized controlled trials found intraoperative cell salvage cut allogeneic red-blood-cell exposure by 38% (RR 0.62), with no adverse impact on outcomes.
A systematic review of 39 studies found preoperative erythropoietin, with or without IV iron, significantly reduced transfusion rates (number needed to treat: 3-6).
A meta-analysis of 9 randomized controlled trials and 1,162 patients found preoperative IV iron lowered transfusion odds (OR 0.54, P<.001) in non-anemic patients undergoing major surgery.
Jehovah's Witness position: pending live verification
The documented Jehovah's Witness position is named here in prose only, without formal citations, because our verification pipeline has not yet completed a live check of the source documents: whole blood and its four primary components (red cells, white cells, platelets, plasma) are declined on a biblical basis, while the great majority of other medical treatment is accepted and bloodless-medicine techniques are used instead. Fractions derived from primary components (albumin, immunoglobulins, clotting factors, hemoglobin solutions) are not absolutely prohibited: accepting a given fraction is left to each member's individual conscience, and the position is documented as genuinely not monolithic on fractions. Per our methodology, a reference doesn't become a citation until it passes verification, including well-known ones.
Topics whose published claims share NCP domains with this page.