Please select the eligibility criteria that correspond to the clinical trial below.
Title: Randomized Trial of Intensive Physical Therapy for Patients With Acute Respiratory Failure
Brief Summary: Acute respiratory failure is a heterogeneous disorder that results in more than 300,000 Americans requiring admission to an intensive care unit for invasive mechanical ventilatory support each year. Though acute respiratory failure is a pulmonary disorder, patients who survive their hospitalization are not limited by respiratory symptoms after discharge. Rather persistent neuromuscular weakness is the primary disorder that adversely alters their quality of life and ability to function on a daily basis. In this application the investigators plan to conduct a randomized clinical trial called the Do It Now study (Diagnosis and Treatment of Neuromuscular Weakness) to determine the effectiveness of an intensive physical therapy program for patients recovering from acute respiratory failure. This trial will establish the efficacy of the physical therapy programs that is currently performed for patients with acute respiratory failure in a non-evidence based manner across the United States.


Options:
A: Inclusion Criteria:

* Acute respiratory failure requiring mechanical ventilation for at least four days.

Exclusion Criteria:

* Recent myocardial infarction within the last 3 weeks, presence of signs or symptoms of unstable angina or history of unstable arrhythmias including ventricular tachycardia and atrial fibrillation (HR \> 100 bpm).
* Recent history of pulmonary embolism within the last six weeks.
* History of severe aortic stenosis.
* Presence of a dissecting aortic aneurysm.
* Significant language barrier that would limit the ability to participate in the physical therapy program.
* Patients who live greater than 45 miles from the University of Colorado Hospital.
* Underlying disorder that makes it unlikely that the patient will survive 6 months.
* Severe physical or cognitive impairment that would impair their ability to exercise.
B: Inclusion Criteria:

* Adult (age \> or = 18) patients admitted to the Medical ICU
* Respiratory failure requiring mechanical ventilation \> or = 5 days
* Reasonable expectation for a subsequent return of mental status

Exclusion Criteria:

* Patient's family, physician, or both not in favor of aggressive treatment of patient or presence of an advanced directive to withhold life-sustaining treatment
* Pregnancy
* Admitted to ICU from outside hospital
* New or pre-existing diagnosis causing current neuromuscular weakness
* Profound and uncorrectable hypokalemia or hypophosphatemia \[K \< 2.5 or P \< 1.0 throughout enrollment window\]
* Inability to assess muscle strength in more than six muscle groups in at least two extremities \[Bilateral amputation (BKA or AKA), severe burns, skin lesions or dressings limiting ability of examiner to access and forcibly resist movement of the patients extremities\]
* Inability to communicate or follow commands of the examiner \[persistent coma, severe MRDD (mental retardation and developmental disabilities) or continuing necessary medication use that impairs consciousness (i.e. narcotics), non-English speaker\]
* Concurrent enrollment in another clinical trial involving steroids \> 20 mg/day prednisone equivalent for \> 3 days, neuromuscular blockade for \> 24 hours or any aminoglycosides.
* Prisoner or other subject where legal surrogate decision maker is in question
C: Inclusion Criteria

1. Patients intubated and mechanical ventilated for \< 72 hours
2. Age \> 18 years
3. Baseline independent functional status as assessed by a Barthel Index score \> 70 collected from a proxy reflecting baseline health 2 weeks prior to critical illness

Exclusion Criteria

1. Rapidly evolving neurological/neuromuscular disease
2. Cardiac arrest
3. Irreversible conditions with six month mortality estimated at \> 50%
4. Elevated intracranial pressure
5. Multiple absent limbs (precluding complete musculoskeletal examination)
6. Enrollment in another trial
D: Inclusion Criteria:

* Intubated receiving mechanical ventilation
* Expected to remain intubated more than 24 hours
* Over 18 years

Exclusion Criteria:

* Raised intracranial pressure
* Pregnant
* Treatment with muscle relaxants

Answer: A