Lumbar Paravertebral Block vs Erector Spinae Plane Block in Elderly Patients Undergoing Lumbar Spine Surgery

​ Conditions: Spine Disease

Interventions: Drug: Ropivacaine 0.2% Injectable Solution; Drug: Ropivacaine 0.2% Injectable Solution

Sponsors: Poznan University of Medical Sciences

Not yet recruiting Conditions: Spine Disease
Interventions: Drug: Ropivacaine 0.2% Injectable Solution; Drug: Ropivacaine 0.2% Injectable Solution
Sponsors: Poznan University of Medical Sciences
Not yet recruiting