Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
The Cleveland Clinic
Age
18–any
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
Adults scheduled for elective colorectal surgery with a midline incision;
American Society of Anesthesiologists (ASA) physical status 1-3.
You may not be if
Contraindication or intolerance to opioids and/or local anesthetics;
Inability to use IV PCA system;
History of chronic pain defined as use of opioids for more than 30 consecutive days within the 3 preoperative months at the dose equal or greater than equivalent of 15 mg of morphine and/or abdominal pain for more than 6 months, present most days of the weeks;
History of neurological illness and/or neuropathy - Peripheral neuropathy, paralysis;
Pregnancy and/or breastfeeding;
Chronic renal failure, defined by estimated GFR \<60 ml/min;
Chronic liver failure, defined by cirrhosis, portal hypertension, or history of variceal bleeding.
