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Comparison Between the Effects of Ringer`s Lactate and Hydroxyethyl Starch on Hemodynamic Parameters After Spinal Anesthesia: A Randomized Clinical Trial

Author(s):
Mehdi FathiMehdi Fathi1,*, Farnad ImaniFarnad Imani2, Marjan JoudiMarjan Joudi3, Vahid GoodarziVahid Goodarzi2
1Department of Anesthesiology, Emam-reza Hospital, Mashhad University of Medical Sciences, swt_f@yahoo.com, Iran
2Department of Anesthesiology and Pain Medicine, Rasoul Akram Medical Center, Iran University of Medical Sciences (IUMS), Iran
3Depatment of Surgery, Mashhad University of Medical Sciences, Iran


Anesthesiology and Pain Medicine:Vol. 2, issue 3; 127-133
Published online:Jan 01, 2013
Article type:Research Article
Received:Aug 21, 2012
Accepted:Oct 11, 2012
How to Cite:Mehdi FathiFarnad ImaniMarjan JoudiVahid GoodarziComparison Between the Effects of Ringer`s Lactate and Hydroxyethyl Starch on Hemodynamic Parameters After Spinal Anesthesia: A Randomized Clinical Trial.Anesth Pain Med.2(3):127-133.https://doi.org/10.5812/aapm.7850.

Abstract

Background:

Hypotension during spinal anesthesia is common and can lead to severe injuries and even death. Administration of crystalloid fluids is advised to prevent occurrence of hypotension; however its effectiveness is still the matter of arguments.

Objectives:

This study was designed to compare the effects of Ringer`s lactate and hydroxyethyl starch 6% on hemodynamic parameters after spinal anesthesia in patients undergoing orthopedic surgeries on lower limbs.

Patients and Methods:

This randomized clinical trial was performed in Rasoul Akram Hospital, Tehran, Iran. 60 patients undergoing elective femoral fracture surgeries with spinal anesthesia were included in this study. Fitted patients were randomly divided into two equal groups. After entrance to the operation room and before spinal anesthesia, patients\' hemodynamic parameters including systolic blood pressure (SBP), cardiac output (CO), and cardiac index (CI) were evaluated using monitoring electro-velocimetry set. In both groups, spinal anesthesia was performed using needle no. 25 and 3 mL of marcaine 0.5% in the sterile situation. None of the treatment group was aware of investigated group during the study.

Results:

The baseline values of mentioned variables did not show a significant difference between two groups using t-test (P > 0.05). Also SBP, CI, and CO after intervention was not significantly different between two groups using t-test (P > 0.05).

Conclusions:

The result of present study on patients undergoing femoral fracture surgeries who received Hetastarch or Ringer`s lactate solutions showed that Hetastarch was not significantly more effective in compensation of hypotension induced by spinal anesthesia.

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