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Table 1 Summary of recommendations

From: Brazilian guidelines for the management of brain-dead potential organ donors. The task force of the AMIB, ABTO, BRICNet, and the General Coordination of the National Transplant System

Recommendations

Level of evidence

Grade of recommendation

Practical considerations

Ventilatory support

 1. We recommend using a lung-protective ventilation strategy in all PDs

Low

Strong

Vt between 6 and 8 mL/kg of predicted body weight and PEEP of 8–10-cm H2O

Adjust FiO2 and PEEP to obtain SaO2 > 90%

Perform apnea testing with CPAP

 2. We suggest not using ARM routinely in PDs

Very low

Weak

ARM can be considered if there is refractory hypoxemia in hemodynamically stable PDs

Hemodynamic support

 3. We recommend performing initial volemic expansion in hemodynamically unstable PDs with hypovolemia or responsive to fluids according to fluid responsiveness assessment

 

Good clinical practice

Initial volume expansion with 30 mL/kg of crystalloids

Assess fluid status and responsiveness for additional fluid replacement

Preferably use dynamic parameters

Neutral or negative fluid balance after achieving hemodynamic stability

 4. We recommend administering norepinephrine or dopamine to control blood pressure in PDs who remain hypotensive after volemic expansion

Very low

Strong

Start adrenergic vasopressors to obtain a MAP ≥ 65 mm Hg

Dopamine is the vasopressor of choice when there is bradycardia

Consider the potential arrhythmogenic effect of dopamine, which implies the risk of PD loss due to cardiac arrest

 5. We suggest not using low-dose dopamine for renal protection in PDs

Very low

Weak

Consider the potential arrhythmogenic effect of dopamine, which implies the risk of PD loss due to cardiac arrest

Endocrine and electrolyte management

 6. We recommend combining AVP in PDs receiving norepinephrine or dopamine

Low

Strong

Combine AVP (1 IU bolus + 0.5–2.4 IU/h) with norepinephrine or dopamine

 7. We recommend administering AVP or DDAVP to control polyuria in PDs with diabetes insipidus

Low

Strong

AVP if vasopressors are required.

DDAVP (1–2-µg IV 2–4 h) if vasopressors are not required

 8. We suggest combining low-dose corticosteroids in PDs receiving norepinephrine or dopamine

Low

Weak

Combine 300 mg IV/day in PDs with norepinephrine or dopamine

 9. We suggest not using thyroid hormones routinely in PDs

Very low

Weak

There are no hemodynamic benefits

They can be considered if prolonged management is required

 10. We suggest performing glycemic control in PDs

Very low

Weak

Administer insulin to achieve a glucose level of 140–180 mg/dL

Monitor blood glucose at least every 6 h

 11. We suggest maintaining serum sodium levels < 155 mEq/dL in PDs

Very low

Weak

Correct water deficit with hypotonic fluids

Correct hypovolemia

 12. We recommend maintaining serum potassium levels between 3.5 and 5.5 mEq/L in PDs

Very low

Strong

 

 13. We recommend maintaining serum magnesium levels > 1.6 mEq/L in PDs

Very low

Strong

 

Other aspects

 14. We suggest maintaining nutritional support in PDs if well tolerated

Very low

Weak

 

 15. We recommend using antibiotics in PDs with infection or sepsis

Low

Strong

Maintain appropriate antibiotic therapy in the donor for at least 24 h

Collect cultures from different sites in all donors

 16. We suggest maintaining body temperature above 35 °C in hemodynamically unstable PDs

Very low

Weak

Monitor core temperature

Prevent and treat hypothermia in PDs receiving vasoactive amines

 17. We suggest inducing hypothermia (34–35 °C) in PDs without hemodynamic instability

Low

Weak

Monitor core temperature

Induce hypothermia by applying ice packs in PDs not receiving vasoactive amines

 18. We suggest transfusing packed red blood cells in PDs with hemoglobin levels < 7 g/dL

Very low

Weak

 

 19. We suggest using goal-directed protocols during the management of PDs

Very low

Weak

Monitor care using evidence-based clinical goal-directed checklists

  1. PD: potential donor; Vt: total volume; PEEP: positive-end expiratory pressure; SaO2: arterial oxygen saturation; CPAP: continuous positive airway pressure; ARM: alveolar recruitment maneuver; MAP: mean arterial pressure; AVP: arginine-vasopressin; DDAVP: 1-deamino-8-d-arginine-vasopressin; IV: intravenous