Please select the eligibility criteria that correspond to the clinical trial below.
Title: Transfusion Requirements After Head Trauma
Brief Summary: TRAHT is a pilot randomized clinical trial designed to evaluate safety and feasibility of two red blood cells transfusion thresholds in moderate or severe traumatic brain injured patients


Options:
A: Inclusion Criteria:

* \>= 12 years old
* \>= 40 kg body weight
* Scheduled complex cardiac surgery with planned use of median sternotomy.
* Patients ≥ 18 years must have a Transfusion Risk Understanding Scoring Tool (TRUST) probability score ≥ 3

Exclusion Criteria:

* Refusal of blood products
* Planned surgery is minimally invasive
* Known transfusion reaction history
* Requirement for washed products, volume reduced products, or products with additive solution removed
* Expected residual cyanosis with O2 saturation \< 90
* Left ventricular assist device (LVAD) or Extracorporeal membrane oxygenation (ECMO) support pre-operatively or planned need post-operatively
* Cardiogenic shock requiring pre-operative placement of an Intra-aortic balloon pump (IABP) (IABP done for unstable angina or prophylactically for low ejection fraction is not excluded)
* Planned Deep Hypothermic Circulatory Arrest (DHCA)
* Renal dysfunction requiring pre-operative renal replacement therapies such as hemodialysis (HD) or continuous venovenous hemofiltration (CVVH)
* Planned use of alternative to heparin, e.g. bivalirudin
* Planned use of autologous or directed donations
* Prior RBC transfusion during hospitalization for the study-qualifying surgery
* Prior randomization into the RECESS study
B: Inclusion Criteria:

* Age equal to or greater than 18 years
* Moderate or severe traumatic brain injury, defined as Glasgow coma scale less than or equal to 12 at hospital admission
* Hemoglobin lower than 9.0 g/dL within 7 days from hospital admission

Exclusion Criteria:

* Glasgow coma scale equal to 3 with dilated pupils bilaterally
* Previous neurological sequelae
* Pregnant women
* Jehovah's Witnesses
* Hemorrhagic shock at randomization
* Moribund patients
* Unable to provide consent
C: Inclusion Criteria:

* Patient in the ICU AND
* Fulfil the criteria for septic shock AND
* Have haemoglobin of 9.0 g/dl (5.6 mM) or less AND
* Consent obtainable from patient or proxy or national law allows delayed consent

Exclusion Criteria:

* Documented wish against transfusion OR
* Previous serious adverse reaction with blood product OR
* Acute coronary syndrome OR
* Life-threatening bleeding OR
* RBC transfusion during current ICU admission OR
* Withdrawal from active therapy or brain death OR
* Lack of informed consent (depending on national law) OR
* Acute burn injury regardless of degree and burn surface area
D: Inclusion Criteria:

* All patients with acute upper GI hemorrhage who do not have any criterion of exclusion.

Exclusion Criteria:

* \< 18 years old.
* Pregnancy.
* Negative of the patient to receive transfusions.
* Negative of the patient to participate in the study.
* Patients with therapeutic restrictions (as terminally ill patients).
* Previous recent surgery requiring transfusion.
* Recent (less than 90 days) or unstable acute myocardic ischemia. Peripheral vasculopathy with secondary.
* To have been included in this same study in the 30 previous days.

Answer: B