Renal Function During Pediatric Anesthesia

Status Completed

Clinical Trial Summary

It is known that volatile anesthesia, such as sevoflurane, retain water and that this appears more pronounced in children. However, the mechanisms for this effect is unknown and it is not clear if the commonly used anesthetic propofol does the same. In this study the investigators want to compare the fluid and electrolyte conserving effects of sevoflurane and propofol in a pediatric setting and also investigate humoral changes induced by these anesthetics.

Clinical Trial Description

Prior studies by the investigators research group have shown water and sodium retention in experimental animals undergoing sevoflurane anesthesia. Preliminary data suggest that this is not as obvious with propofol anesthesia. The investigators aim to study if this difference is present in children. Subjects are collected from ordinary routine operations of hypospadia. By routine, all boys undergoing this surgery get a sacral blockade and a urine catheter. The children are randomized to either sevoflurane or propofol anesthesia. Before or immediately after induction of anesthesia baseline blood samples are collected for analysis of sodium, potassium, creatinine, osmolality, angiotensin II, arginine-vasopressin and aldosterone. Perioperative fluids are started, a balanced glucose infusion with 132mmol sodium content, covering basal fluid need + 20%. This infusion is continued until the end of the protocol at the ward. At the induction of anesthesia the investigators start measuring urine output every 20th minute. The same blood samples as above are collected again during mid-operation. At the end of anesthesia the investigators collect all the urine and send a sample for urine analysis of sodium, potassium, osmolality and creatinine. In the postoperative ward the investigators again start collecting urine every 20 minutes for 120 minutes. All urine after 120 minutes are collected, and a sample sent for analysis. After 60 minutes at the postoperative ward, blood samples are again collected for analysis. In the childrens ward the protocol for the postoperative ward is repeated, with urine collection and sample, as well as blood samples. After 120 minutes the protocol ends. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02571426
Study type	Interventional
Source	Uppsala University
Contact
Status	Completed
Phase	Phase 1
Start date	October 2015
Completion date	April 2019

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.