Recovery of Ventilation After Anesthesia for Laparoscopic Nephrectomy

Trial ID or NCT#



not recruiting iconNOT RECRUITING


The purpose of this randomized, controlled feasibility investigation is to characterize pharmacologically induced ventilatory depression after anesthesia and examine how is affected by the amount of supplemental oxygen patients are receiving in the immediate postoperative period.

Official Title

Recovery of Ventilation After General Anesthesia for Robotic-assisted Laparoscopic Nephrectomy: The Effect of Conservative Versus Liberal Oxygen Supplementation - A Feasibility Study

Eligibility Criteria

Ages Eligible for Study: 18 Years to 70 Years
Sexes Eligible for Study: All
Accepts Healthy Volunteers: No
Inclusion Criteria:
  1. - American Society of Anesthesiologists (ASA) physical status I-III - Body mass index (BMI) less than 40 kg/m2 - Scheduled to undergo robotic-assisted radical laparoscopic nephrectomy.
Exclusion Criteria:
  1. - Patients with a diagnosis of chronic obstructive pulmonary disorder (COPD), severe neurological, cardiopulmonary, psychiatric, or untreated thyroid disorder - Chronic pain condition that is being treated with opioids - Patients with a hematocrit lower than 30% at the end of surgery, or those with an excessive blood loss, requiring transfusion of blood products during their surgery, will be also excluded from the study.


Anthony G. Doufas, M.D., Ph.D.
Anthony G. Doufas, M.D., Ph.D.
Professor of Anesthesiology, Perioperative and Pain Medicine

Contact us to find out if this trial is right for you.


Anthony Doufas, MD, PhD