CMR Right Ventricular Contractile Reserve Following Lung Resection

Summary

Feasibility study investigating CMR dobutamine stress testing before and after lung resection

Eligibility

Inclusion Criteria:

* 1\) Provision of informed consent 2) Age \>16 years 3) Planned elective

  1. lobectomy lung resection or
  2. oesophagectomy surgery with one lung ventilation or
  3. gastrectomy

Exclusion Criteria:

1. Pregnancy
2. On-going participation in any investigational research which could undermine the scientific basis of the study
3. Atrial fibrillation at baseline
4. Any contraindication to

   a. CMR, i. Cardiac pacemaker, artificial heart valve, neurostimulator, cochlear implant ii. Aneurysm clips iii. Metal injuries to the eye iv. Loose metal in a part of the body b. Dobutamine stress testing as per the Society for Cardiovascular Magnetic Resonance64 i. Severe systemic arterial hypertension (≥220/120 mmHg) ii. Unstable angina pectoris iii. Severe aortic valve stenosis (peak aortic valve gradient \>60mmHg or aortic valve area \< 1cm2) iv. Complex cardiac arrhythmias including uncontrolled atrial fibrillation v. Hypertrophic obstructive cardiomyopathy vi. Myocarditis, endocarditis, or pericarditis vii. Uncontrolled heart failure
5. Lung resection specific

   1. Wedge, segmental or sub-lobar lung resection
   2. Pneumonectomy
   3. Isolated right middle lobectomy

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Conditions5

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