CryoneurolysisCryoneurolysis for Knee and Shoulder Pain in an Inpatient Setting

Inclusion Criteria:

1. Adult inpatients at any hospital in the Greater Victoria Area or referred to Victoria General hospital for rehabilitation with the chief complaint of an acute neurological condition (within sixteen weeks) including but not limited to stroke and traumatic brain injury. People that have had a stroke or neurological event within sixteen weeks but have been discharged to outpatient rehab at Victoria General Hospital are also candidates
2. In addition to their chief complaint, are also affected by one or both of the following

1. Hemiplegic shoulder pain,
2. Knee pain due to osteoarthritis
3. Patients who are already candidate for cryoneurolysis.
4. Ability to attend testing sessions, comply with testing protocols and provide either written or verbal informed consent. If necessary, a witness will be asked to sign the consent form and confirm the participant signature. For those patients who do not have the capacity to sign the consent form(Based on evaluation by PI or the recorded assessment by their physician in their medical charts) the designated care provider or family member will be asked to sign the ICF on behalf of them. Evaluation of the capacity to understand and communicate are part of routine assessment and are done routinely and each visit by physicians.
5. Able to understand and complete study-related questionnaires (must be able to understand and speak English or have access to an appropriate interpreter as judged by the investigator).

Exclusion Criteria:

1. Have undergone any previous peripheral nerve procedures in their affected side, for the treatment of spasticity or pain. Relevant treatments included but not limited to previous cryoneurolysis, previous chemical neurolysis, neurectomy or arthroplasty.
2. Patients who received botulinum toxin in the past 4 months in the same targeted muscles for cryoneurolysis