Genomic Determinants of Outcome in Cardiogenic Shock

Summary

The aim of this project is to understand the heterogeneity of both the immune consequences and treatment responses in CS. We will explore this heterogeneity through identification of transcriptomic sub-phenotypes and their association with outcomes, including therapeutic responses.

Eligibility

Inclusion Criteria:

* All of the following are required for inclusion following screening:

  * Willing to provide informed consent or appropriate consent from a nominated consultee or personal consultee
  * Presentation within 24 hours of onset of ACS symptoms.
  * CS can only be secondary to ACS (Type 1 MI STEMI or N-STEMI) or myocarditis
  * Planned or completed revascularisation of culprit coronary artery

CS will be defined by:

* Systolic blood pressure \<90 mmHg for at least 30 minutes
* A requirement for a continuous infusion of vasopressor or inotropic therapy to maintain systolic blood pressure \> 90 mmHg.
* Clinical signs of pulmonary congestion, plus signs of impaired organ perfusion with at least one of the following manifestations:

  * altered mental status.
  * cold and clammy skin and limbs.
  * oliguria with a urine output of less than 30 ml per hour.
  * elevated arterial lactate level of \>2.0 mmol per litre.

Exclusion Criteria:

* Any of the inclusion criteria not met and:

  1. Unwilling to provide informed consent.
  2. Echocardiographic evidence (recorded within 90 mins of end of PCI procedure) of mechanical cause for CS: eg ventricular septal defect, LV-free wall rupture, ischaemic mitral regurgitation.
  3. Age \<18 and ≥80 years.
  4. Shock from another cause (sepsis, haemorrhagic/hypovolaemic shock, anaphylaxis, etc).
  5. Significant systemic illness
  6. Known dementia of any severity
  7. Comorbidity with life expectancy \<12 months.
  8. Out-of-hospital cardiac arrest (OHCA) and any of the following:

     1. No return of spontaneous circulation (ongoing resuscitation effort)
     2. pH \<7
     3. Without bystander CPR within 10 minutes of collapse
  9. Arterial lactate level of \<2.0 mmol per litre.

Conditions2

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