About this trial
Thoracotomy causes severe postoperative pain that may impair respiratory function and increase complications. This study compares the postoperative analgesic effectiveness of the serratus posterior superior intercostal plane (SPSIP) block and the paravertebral block in patients undergoing thoracotomy. The aim is to determine whether the newly described serratus posterior superior intercostal plane block can serve as a safe and effective alternative to established techniques.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Scheduled to undergo thoracotomy
ASA physical status I-III according to the American Society of Anesthesiologists classification
Able to understand the study procedures and provide written informed consent
Disqualifiers
Declines or is unable to provide informed consent
Allergy or hypersensitivity to local anesthetics or opioids
Known or suspected coagulopathy
Infection at the injection site
Trial design
Parallel
Treatments tested in this trial
Serratus Posterior Superior Intercostal Plane Block
Procedure/SurgeryUltrasound-guided regional anesthesia technique performed between the serratus posterior superior muscle and intercostal muscles.
Thoracic Paravertebral Block
Procedure/SurgeryUltrasound-guided injection of local anesthetic into the thoracic paravertebral space to provide unilateral analgesia.
Treatment groups
Trial outcomes
Primary outcomes
Postoperative 24-Hour PCA Opioid Consumption
Total amount of opioid delivered by the patient-controlled analgesia (PCA) device during the first 24 hours after surgery, recorded in milligrams (mg).
Secondary outcomes
NRS Pain Scores at Rest and Movement
Numeric Rating Scale (NRS) (0-10) pain scores at rest and during movement or coughing at predefined postoperative hours.
QoR-15 Recovery Score
The investigators will use the Turkish version of Quality of Recovery (QoR) / QoR-15 questionairre PART A How have you been feeling in the last 24 hours? (0 to 10, where: 0 = none of the time \[poor\] and 10 = all of the time \[excellent\]) Able to breathe easily Been able to enjoy food Feeling rested Have had a good sleep Able to look after personal toilet and hygiene unaided Able to communicate with Getting support from hospital doctors and nurses Able to return to work or usual home activities Feeling comfortable and in control Having a feeling of general well-being PART B Have you had any of the following in the last 24 hours? (10 to 0, where: 10 = none of the time \[excellent\] and 0 = all of the time \[poor\]) Moderate pain Severe pain Nausea or vomiting Feeling worried or anxious Feeling sad or depressed
Chronic Pain Assessment
Pain status using the Brief Pain Inventory (BPI) via telephone follow-up. General Scoring: The BPI comprises the Pain Severity and Pain Interference subscales. Each item is scored on a 0 (None/No interference) to 10 (Worst imaginable/Completely disabling) numerical scale. Higher scores indicate a worse clinical outcome. Subscale scores are calculated by taking the arithmetic mean of relevant items. 1. Pain Severity Subscale (4 Items): Assesses pain intensity over the last 24 hours. (0-10) What is your pain level right now What was your pain at its least in the last 24 hours What was your pain at its worst in the last 24 hours What was your pain on average in the last 24 hours 2. Pain Interference Subscale (7 Items): Assesses the degree to which pain interferes with daily functioning Questions: The patient rates how much pain interfered with: (0-10) General activity Mood Walking ability Normal work Relations with people Sleep Enjoyment of life
Rescue Analgesic Requirement
Number of patients requiring rescue analgesia (IV meperidine 0.5 mg/kg) and total dose administered when NRS ≥ 4.
Sponsors and contacts
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