Meta-analysis General Orthopaedics Lower Extremity Knee Pain Clonidine Analgesia Arthroscopic Arthroscopy Injections General Anaesthesia IA Immediate Placebo Post-Operative Single-Dose - Hide

RCT General Orthopaedics Vascular Boehringer Ingelheim Clonidine Aspirin Placebo - Hide

RCT Pediatric Orthopaedics Children Orthopaedic Surgery Lower Extremity Hip Knee Propofol Clonidine Hyperbaric Bupivacaine Intrathecally Intrathecal Bupivacaine Intravenously Orthopedic Saline - Hide

RCT Arthroplasty Nerve Upper Extremity Shoulder Ropivacaine Dexamethasone Buprenorphine Clonidine Control ISB IV - Hide

RCT Pediatric Orthopaedics Cerebral Palsy Children Spine Lumbar Pain Palsy Bupivacaine Fentanyl Paracetamol Diazepam Clonidine Metoclopramide Analgesia Epidural - Hide

RCT Sports Medicine Joint Ligament Pain Ropivacaine Clonidine Sufentanil Arthroscopic Injection Control Multimodal Reconstruction - Hide

RCT Arthroplasty Osteoarthritis Lower Extremity Knee Arthritis Pain Ropivacaine Epinephrine Morphine Ketorolac Clonidine Analgesic Control Multimodal Saline Solution - Hide

RCT General Orthopaedics Vascular Bayer Clonidine Aspirin Placebo - Hide

RCT Arthroplasty Lower Extremity Knee Cefuroxime Epinephrine Morphine Clonidine Corticosteroid Injections Bupivacaine Hydrochloride Periarticular Injection Saline Solution Steroid - Hide

RCT Arthroplasty Osteoarthritis Lower Extremity Knee Arthritis Pain Ropivacaine Epinephrine Ketorolac Hydrocodone Clonidine Liposomal Bupivacaine Needle Periarticular Injection Saline - Hide

RCT General Orthopaedics Nerve Bone Femur Patella Joint Ligament Muscle Adductor Patellar Tendon Quadricep Pain Ropivacaine Morphine Clonidine ACB Anterior Cruciate Blockade Canal Femoral Nerve Block FNB Reconstruction Ultrasound-Guided - Hide

RCT Foot & Ankle Foot Appendicular Lower Extremity Ankle Bupivacaine Dexamethasone Buprenorphine Clonidine Block Nerve Block Popliteal Block Ultrasound-Guided Nerve block Popliteal block Saphenous Nerve Block Popliteal block Saphenous Nerve Block - Hide

RCT Arthroplasty Osteoarthritis Lower Extremity Hip Arthritis Pain Bupivacaine Hydromorphone Clonidine Oxycodone Patient-Controlled Epidural Analgesia Periarticular Injection - Hide

RCT Arthroplasty Lower Extremity Knee Inflammation Pacira EXPAREL Ropivacaine Epinephrine Clonidine Liposomal Bupivacaine Opioid Periarticular Injection Saline - Hide

RCT Arthroplasty Lower Extremity Knee Pacira EXPAREL Ropivacaine Epinephrine Ketorolac Clonidine Liposomal Bupivacaine Periarticular Infiltration Analgesia Saline - Hide

RCT Arthroplasty Ropivacaine Ketorolac Clonidine Adrenaline Anesthetic Nerve Block Periarticular Injection Adductor Canal Block (ACB) Nerve block Normal Saline - Hide

RCT Shoulder & Elbow Nerve Upper Extremity Shoulder Muscle Biceps Pain Fentanyl Oxycodone Arthroscopy Nerve Block Opioid Ultrasound Guidance - Hide

RCT Arthroplasty Lower Extremity Knee Hydromorphone Care Intravenous Acetaminophen IV Multimodal Analgesia Oral Acetaminophen Oral Placebo - Hide

RCT Arthroplasty Lower Extremity Hip Biomet THA - Hide

RCT Arthroplasty Nerve Osteoarthritis Lower Extremity Knee Bone Femur Arthritis Pain Bupivacaine Cementing LIA Local Infiltration Analgesia Saline - Hide