The Effects of Regional Anaesthesia Techniques on Hemidiaphragm Paralysis, Postoperative Recovery Quality, Opioid Consumption, and Pain Scores

Inclusion Criteria: * aged 18-65 years * American Society of Anaesthesiology (ASA) score I-III * body mass index (BMI) \<30kg/m2 * scheduled for elective arthroscopic surgery Exclusion Criteria: * ASA score ≥4 * BMI ≥30 kg/m2 * declining to give written informed consent * controendications for block application * history of mental or neurological disease, severe liver and/or kidney disease * history of moderate or severe pulmonary disease * abnormal preoperative chest X-ray findings * scheduled for emergency surgery