Chronic shoulder pain due to impingement syndrome and supraspinatus tendinosis is a debilitating condition. Suprascapular nerve innervates most part of shoulder joint. Supraspinatus nerve block can be used as a part of pain therapy. However, its efficacy is short-lasting. To prolong analgesia, short bursts of electrical stimulation to suprascapular nerve may be applied. To the date there is no consensus about duration of these type of stimulation. Investigators' aim is to investigate efficacy of two different duration of stimulation (pulsed radiofrequency) on chronic shoulder pain.
Patients aged 18-80 years
Shoulder pain caused by impingement syndrome
Shoulder pain due to supraspinatus tendinosis
Diagnosis of impingement syndrome and supraspinatus tendinosis confirmed through physical examination and radiological imaging (MRI)
Patients unwilling to participate in the study
Presence of chronic pain due to other conditions
Presence of cervical radiculopathy
History of opioid use