Does warming patients before surgery affect lactate levels after nephrectomy?

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, single-center observational study of adults undergoing elective nephrectomy. Researchers compare patients who receive preoperative warming to those who do not, as decided by the anesthesia team in routine care. The goal is to see if prewarming influences perioperative lactate levels and outcomes such as ICU stay, transfusion needs, and complications. Data are collected from pre- and postoperative periods without altering standard clinical practice. The study duration covers one year and includes adults aged 18 to 90 with ASA I–III status.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Scheduled for elective nephrectomy
* Adults aged 18-90 years
* ASA (American Society of Anesthesiologists) physical status classification I-III
* Signed informed consent form

Exclusion Criteria:

* Emergency nephrectomy
* Concurrent additional major surgical procedure planned in the same session
* Age under 18 or over 90 years
* ASA physical status classification IV or higher
* Incomplete preoperative records (missing pre- or postoperative measurement of at least one primary outcome variable)

Where it's running

• Prof. Dr. Cemil Tascıoglu Education and Research Hospital Organization
  Istanbul, Sisli, Turkey (Türkiye) Recruiting

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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.