Ultrasound-guided fascial plane blocks to reduce lung problems after major abdominal surgery

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This is a prospective observational study that follows patients aged 65 and older undergoing elective major abdominal surgery, grouping them by whether their anesthesia team uses ultrasound-guided fascial plane blocks or other standard analgesic methods. The analgesic approach is determined by routine clinical care and not assigned by the study team. The primary outcome is the incidence of postoperative pulmonary complications within the first 7 days, recorded using the EPCO criteria; secondary outcomes include unplanned ICU admission, hospital length of stay, and 30-day mortality. No additional procedures or interventions beyond standard care are performed for research purposes.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Age 65 years or older
* Scheduled for elective major abdominal surgery (e.g., colorectal, hepatobiliary, pancreatic, or gastric surgery)
* ASA physical status II-III
* Ability to provide written informed consent
* Planned use of general anesthesia with or without adjunct regional techniques

Exclusion Criteria:

* Refusal or inability to provide informed consent
* Known allergy or contraindication to local anesthetics
* Coagulopathy or ongoing anticoagulant therapy contraindicating regional anesthesia
* Infection at the site of planned block
* Pre-existing chronic opioid use or chronic pain syndrome
* Severe hepatic, renal, or cardiac failure (e.g., Child-Pugh C, end-stage renal disease, EF \<30%)
* Cognitive impairment or severe dementia preventing adequate pain assessment
* Emergency surgery
* Body mass index (BMI \> 40 kg/m²)

Where it's running

• Dr. Abdurrahman Yurtaslan Ankara Oncology Hospital
  Yenimahalle, Ankara, Turkey (Türkiye) Recruiting

Study contacts

• Principal investigator: arif timuroglu — Dr. Abdurrahman yurtaslan Ankara Oncology Hospital
• Study coordinator: arif timuroglu
• Email: ariftimuroglu@yahoo.com
• Phone: +905072601980

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.