Please select the eligibility criteria that correspond to the clinical trial below.
Title: Remote Ischaemic Preconditioning for Heart Surgery
Brief Summary: The purpose of this study is to evaluate the effects of Remote Ischaemic Preconditioning on perioperative ischaemic injury in patients undergoing cardiac surgery compared to control intervention.


Options:
A: Inclusion Criteria:

MUST HAVE:

General Anesthesia with volatile anesthetic

PATIENT CHARACTERISTICS

Major Criteria (any 1 of the following:)

1. Medications - anticonvulsants, abuse of opiates, benzodiazepines, cocaine
2. EF\<40%
3. Prior history of awareness (recall)
4. History of difficult intubation or anticipated difficult intubation
5. ASA IV or V status
6. Aortic stenosis
7. End stage lung disease
8. Marginal exercise tolerance not secondary to musculoskeletal dysfunction
9. Pulmonary hypertension
10. Daily alcohol consumption

Minor Criteria (any 2 of the following)

1. Beta blockers
2. COPD
3. Moderate exercise tolerance not secondary to musculoskeletal dysfunction
4. Smokes ≥2 packs per day
5. Morbid obesity BMI\>30 -

Exclusion Criteria:

1. Surgical procedure that prevents the use of the BIS (e.g surgery of forehead)
2. Patient positioning prevents use of the BIS
3. Surgery with wake-up test.
4. Less than 18 years of age
5. Vulnerable populations, such as those with dementia and those unable to provide informed consent.
6. Stroke with residual neurological deficits
B: Inclusion Criteria:

* patients undergoing heart surgery on cardiopulmonary bypass

Exclusion Criteria:

* age \< 18
* Emergency cases
* left ventricular ejection fraction less than 30%
* current atrial fibrillation
* Inability to give informed consent
* preoperative use of inotropics or mechanical assist device
* severe liver, renal and pulmonary disease
* recent myocardial infarction (within 7 days)
* recent systemic infection or sepsis (within 7 days)
* severe stroke (within 2 months)
* peripheral vascular disease affecting upper limbs
* previous serious psychiatric disorders (e.g. schizophrenia, dementia)
* concomitant carotid endarterectomy
* rare surgeries: cardiac transplantation, correction of complicated congenital anomalies, pulmonary thromboembolectomy, off-pump surgery, minimal-invasive operation without sternotomy
C: Inclusion Criteria:

• Eligible patients will be admitted acutely for a femoral neck fracture, a trochanteric or a subtrochanteric femoral fracture.

Exclusion Criteria:

* Hip fracture as part of multi-trauma or high energy trauma (defined as a fall from a higher level than 1 metre). One recent fracture in addition to the hip fracture (e.g. radius or shoulder) is acceptable.
* Regarded as moribund at admittance.
* Absence of a valid informed consent or assent.
D: Inclusion Criteria:

* is 65 years of age or older at admission;
* has surgical treatment of a traumatic hip fracture;
* has participating surgeon;
* has Mini-Mental Status Exam score of 15 or higher;
* able to read/write/speak/hear/understand English;
* gives informed consent;
* receives spinal anesthesia

Exclusion Criteria:

* receives general anesthesia;
* does not write/write/speak/hear/understand English;
* has severe chronic obstructive pulmonary disease (COPD);
* has severe congestive heart failure (CHF);
* has Mini-Mental Status Exam score less than 15;
* declines to give informed consent;
* age less than 65 years at admission;
* attending surgeon does not participate in study

Answer: B