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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03026985
Other study ID # 516/16
Secondary ID
Status Completed
Phase N/A
First received January 15, 2017
Last updated September 23, 2017
Start date January 25, 2017
Est. completion date September 19, 2017

Study information

Verified date September 2017
Source The Alfred
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The purpose of this study is to describe the changes in quadriceps muscle size and quality over the first 10 days on extracorporeal membrane oxygenation (ECMO) using ultrasound imaging. This study will also examine the relationship between those changes and muscle strength and level of physical function at day 10 and day 20 after ECMO commencement.


Description:

The use of ECMO has increased dramatically in the past decade with improvements in technology and survival. Whilst it is a potentially life-saving intervention in a group of patients at high risk of death, it is both highly invasive and expensive. ECMO poses a dramatic physiological burden on patients with major long-term consequences. Among these, severe prolonged neuromuscular weakness is perhaps the most significant complication. Described clinically as intensive care unit acquired weakness (ICUAW), it is associated with prolonged weaning from mechanical ventilation, delayed rehabilitation, increased hospital length of stay, and mortality with residual deficits in physical functional ability persisting up to 5 years following the ICU admission. The health value, to both patients and society, could be substantially improved if more patients achieved a complete recovery.

Muscle strength testing in the early stages of critical illness is limited, as it requires the patient to be awake, alert and cognitively intact, therefore delayed diagnosis of ICUAW due to inability of patients to complete muscle strength testing is common. Consequently, there is growing interest in the utility of ultrasound imaging to monitor the trajectory of muscle wasting and inform development of targeted interventions in these critically ill patients. Ultrasound imaging of skeletal muscle is a non-invasive, painless and radiation free technique that can provide objective, accurate and reliable data on skeletal muscle in these critically ill patients. This study will use ultrasound imaging to quantify the early change in skeletal muscle size and quality, and the relationship to strength and physical function in patients on ECMO. Risk stratification of patients with peripheral muscle wasting is vital for optimising clinical management, including development of improved rehabilitative strategies to improve recovery and optimise the risk/benefit profile of ECMO.


Recruitment information / eligibility

Status Completed
Enrollment 25
Est. completion date September 19, 2017
Est. primary completion date September 19, 2017
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Adult patients (=18 years)

- Requiring ECMO for management of severe cardiac or respiratory failure

- Likely to spend > 24 hours on ECMO

Exclusion Criteria:

- Presence of:

- Any connective tissue disorders (e.g., Marfan's syndrome)

- A proven or suspected acute primary brain process that is likely to result in global impairment of conscious level or cognition, such as traumatic brain injury, intracranial haemorrhage, stroke, or hypoxic brain injury after cardiac arrest or asphyxiation

- Any neuromuscular conditions (e.g., multiple sclerosis, muscular dystrophy, spinal cord injury, Guillain-Barre syndrome)

- Any current cancer or chemotherapy

- A cognitive impairment prior to the acute illness that is associated with admission to ICU that would impair capacity to follow verbal instructions Any current acute musculoskeletal injuries of hip, knee, and ankle

- A pre-existing mobility impairment where the patient is unable to walk without assistance prior to the acute illness that is associated with admission to ICU (use of a walking stick or frame is not an exclusion)

- A language barrier to patient comprehension, or where death is deemed imminent and inevitable

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Observational cohort
Ultrasound assessment of quadriceps, muscle strength testing, highest mobility level

Locations

Country Name City State
Australia Alfred Health Melbourne

Sponsors (1)

Lead Sponsor Collaborator
The Alfred

Country where clinical trial is conducted

Australia, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change in quadriceps muscle size as determined by ultrasound in patients requiring ECMO Change in quadriceps muscle size 10 days
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