Please select the eligibility criteria that correspond to the clinical trial below.
Title: Effects on the Septic Patient's Microcirculation of the Transfusion of Three Different Types of Concentrated Red Blood Cells.
Brief Summary: Aim of the study is to evaluate the effects, on microcirculation of septic patient, of three types of RBCs: 1- fresh standard RBCs (storage \<10 days); 2-leukodepleted RBCs and 3-old standard RBCs (storage \>15 days) respectively. Before and 1 hour after the transfusion, microcirculation is evaluated using Sidestream Dark Field Imaging (SDF) and Near InfraRed Spectroscopy (NIRS) with vascular occlusion test. We also monitor temperature, heart rate, mean blood pressure, hemochrome, blood gases, blood lactates and SOFA score.


Options:
A: Inclusion Criteria:

* birthweight of less than 1250g
* admitted to participating NICU
* consent acquired from proxy for the patient

Exclusion Criteria:

* already received one or more transfusions
* requirement for an exchange transfusion
* will be receiving directed donations
* have rare blood types/difficult cross-match
* proxy has refused consent
* moribund on admission to NICU/expected to die
* mitigating child protection issues
B: Inclusion Criteria:

* Patients with sepsis, severe sepsis or septic shock who, according to clinical evaluation, need a hemotransfusion.

Exclusion Criteria:

* Patients under 18 years of age; Pregnancy; Coagulative disorders; Cardiogenic shock (Met\<4;)Acute massive bleeding (\>8 U)
C: 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
D: Inclusion Criteria:

* All primary and reoperative adult cardiac surgical patients undergoing cardiopulmonary bypass for coronary artery bypass grafting, coronary artery bypass grafting with a valve procedure, isolated valve procedures, ascending aortic aneurysm or dissection repair alone or combined with CABG and valve procedures

Exclusion Criteria:

* Age less than 18 years
* Descending thoracic aortic aneurysm repairs
* Left or right ventricular assist devices
* Those unable to receive blood for religious reasons

Answer: B