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Referral and warning signs
When to refer
Consult blood bank/specialist for complex cases, massive transfusion, significant reactions, alloimmunization.
Red flags
- Signs/symptoms of acute transfusion reaction
- Administering wrong blood unit
- Signs of severe volume overload
Signs and symptoms
- Not applicable - This is a guidance topic.
Risk factors
- Not applicable - This is a guidance topic.
Diagnosis
Clinical assessment
Decision to transfuse based on careful assessment of patient's clinical condition, severity of symptoms, underlying cause, haemoglobin level (as one factor), and potential benefits vs risks.
Investigations
- Haemoglobin (Hb) / Haematocrit (Hct) level.
- Assessment of vital signs and clinical signs of anaemia/hypoxia/bleeding.
- Blood Grouping (ABO/RhD) and Antibody Screen.
- Cross-matching (compatibility testing).
Diagnostic criteria
Clinical indication based on assessment of need, considering symptoms, Hb level, and clinical context.
Management
Non-pharmacological management
- Minimise Need: Treat anaemia causes, control bleeding, good surgical practice, use alternatives (IV fluids, factors).
- Appropriate Use: Transfuse only when benefits > risks, prescribe based on need not just Hb, use single units & reassess (adults). Avoid 'top ups' or use for volume/wound healing.
- Safe Administration: Accurate Patient ID (sampling & bedside). Correct labelling. Use filter set. Start <30min from fridge, complete <4hrs. Close Monitoring (Vitals before, 15min, during, end). Observe closely early. Respond immediately to reactions (STOP, check ID, notify).
- Documentation: Indication, consent, unit details, vitals, reactions.
Pharmacological treatment
- Use of specific blood components (WB, PRC, Plt, FFP, Cryo) based on indication (see HEM008).
Monitoring
Monitor patient for clinical improvement and adverse reactions.
Complications
- Transfusion Reactions (Acute/Delayed - see HEM009).
- Transfusion-Transmitted Infections (TTIs - HIV, HBV, HCV, Syphilis, Malaria etc - risk minimized by screening).
- Volume overload (TACO).
- Iron overload (chronic transfusions).
- Alloimmunization.
Prevention
- Strict adherence to procedures (donor selection, screening, compatibility, ID, administration).
- Appropriate clinical use.
Patient education
- Reason for transfusion.
- Benefits and risks (reactions, infections).
- Process and monitoring.
- Need for consent.
- Symptoms of reaction to report immediately.
Uganda-specific notes
Blood is scarce (UBTS). Screening standard. Appropriate use crucial. Emphasis on patient ID and monitoring.
References
- Uganda Clinical Guidelines (UCG) 2023
Chapter 11, Section 11.2.1
- National Blood Transfusion Guidelines for Appropriate Use of Blood, MOH Uganda
(Primary reference)