Impact of Paresthesia on Postoperative Neurological Symptoms

Launched by ANKARA CITY HOSPITAL BILKENT · Mar 31, 2025

Keywords

ClinConnect Summary

This clinical trial is studying how a specific sensation called paresthesia, which feels like tingling or an electric shock, during a pain relief procedure called an interscalene block affects nerve symptoms after surgery. The interscalene block is used to help manage pain during shoulder surgery. Researchers will follow up with participants through phone interviews to check for any unusual feelings, pain, or weakness in the arm after the procedure.

To participate in this study, you need to be between 18 and 65 years old and scheduled for shoulder surgery that uses an interscalene block for pain relief. There are some health conditions that would prevent you from joining, such as certain neurological disorders or significant obesity. If you decide to take part, you’ll be carefully monitored after your surgery to see how your arm feels and if you experience any nerve issues. This research aims to improve our understanding of how paresthesia might relate to nerve symptoms after surgery, which could help enhance patient care in the future.

Gender

ALL

Eligibility criteria

• Inclusion Criteria:
• • ASA physical status I to II
• • Age range of 18-65 years
• • Patients planned for interscalene nerve block for analgesia prior to arthroscopic shoulder surgery in the beach chair position under general anesthesia
• Exclusion Criteria:
• • body mass index \>35 kg/m²)
• • history of drug use
• • Patient's refusal to participate in the study
• • Psychiatric disorders
• • Central nervous system diseases
• • Vestibular disorders
• • Presence of diabetes, neuropathy, and paralysis
• • Pregnancy
• • Open shoulder surgery
• • Allergy to local anesthetics
• • Coagulopathy
• • Severe thrombocytopenia
• • Infection at the puncture site
• • Pre-existing neuropathy in the limb to be operated on
• • Use of opioid and antiemetic medications before surgery
• • Use of dexamethasone
• • Lung disease
• • Low baseline oxygen saturation
• • Patients who cannot cooperate in the postoperative period (e.g., mental retardation, delirium, language acquisition deficiency, etc.)