elective colorectal cancer surgery under general anesthesia
Conditions
Interventions
Preoperation dehydration and postoperation dehydration group:Urine and blood before and after operation room are collected separately
Preoperation dehydration and postoperation normal group:Urine and blood before and after operation room are collected separately
Preoperation normal and postoperation dehydration group:Urine and blood before and after operation room are collected separately
Preoperation normal and postoperation normal group:Urine and blood before and after operation room are collected separately
Sponsors
Shaoxing People's Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Patients familiar with all the procedure and evaluation, agreed to participate in this experiment,and sign the informed consent; 2) ASA I-II scheduled under general anesthesia; 3) Body mass index (BMI) is between 18-25; 4) Patients aged all years of age, male or female.
Exclusion criteria
Exclusion criteria: 1) Patients with urinary system diseases before operation; 2) Patients with ASA class more than grade II, severe cardiac, lung, hepatic and renal diseases; 3) Preoperative cognitive dysfunction in patients; 4) The intraoperative blood loss is more than 200ml, shock or other rescue accidents.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Urine color;Urine specific gravity;Urine osmotic pressure;Urinary creatinine concentration;Postoperative complications and mortality; | — |
Secondary
| Measure | Time frame |
|---|---|
| Serum creatinine concentration;Blood osmotic pressure;Blood urea nitrogen; | — |
Countries
China
Contacts
Public ContactLi Yuhong
Shaoxing People's Hospital
Outcome results
None listed