Effect of Type of General Anesthesia Maintenance on Exhaled Nitric Oxide and Eosinophil Blood Count
Investigation of Changes in the Levels of Exhaled NO and Eosinophil Blood Count in Patients Undergoing Thyroidectomy by Two Different Methods of General Anesthesia Maintenance
1 other identifier
interventional
60
1 country
1
Brief Summary
- Nitric oxide (NO) is a free radical in gas state which plays an important role in a variety of processes relevant to respiratory physiology. It represents a means of detecting airway hyperresponsiveness and appears to have a strong correlation with the eosinophilic infiltration of the airway. Patients who suffered bronchospasm or laryngospasm intraoperatively or postoperatively showed higher levels of exhaled NO.
- Propofol modifies NO production by stimulating the constitutive synthesis of NO and by inhibiting the inducible production of NO. It seems to exert protective effects on acute lung injury (ALI) in experimental models and it can possibly reduce exhaled NO. There is also evidence that some intravenous anesthetic agents can influence chemotaxis of eosinophils in vitro.
- Variation of exhaled NO and eosinophils in surgical patients undergoing anesthesia has not been studied before. Therefore, the aim of this study will be to investigate the differential impact of maintenance of general anesthesia with propofol versus maintenance with sevoflurane on exhaled NO and eosinophil blood count.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started May 2014
Longer than P75 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
February 15, 2014
CompletedFirst Posted
Study publicly available on registry
February 19, 2014
CompletedStudy Start
First participant enrolled
May 1, 2014
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 1, 2018
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2018
CompletedFebruary 1, 2022
January 1, 2022
3.9 years
February 15, 2014
January 30, 2022
Conditions
Outcome Measures
Primary Outcomes (1)
change of exhaled nitric oxide from preoperative status to immediate postoperative status
preoperatively, immediately postoperatively
Secondary Outcomes (2)
change of exhaled nitric oxide from preoperative status to 24 hours postoperatively
preoperatively, 24 hours postoperatively
change of eosinophil blood count from preoperative status to immediate postoperative status
preoperatively, immediately postoperatively
Study Arms (2)
maintenance with sevoflurane
EXPERIMENTALin patients allocated to the sevoflurane group, general anesthesia will be maintained with sevoflurane
maintenance with propofol
ACTIVE COMPARATORin patients allocated to the propofol group, general anesthesia will be maintained with propofol
Interventions
in patients allocated to the sevoflurane group, general anesthesia will be maintained with sevoflurane
in patients allocated to the propofol group, general anesthesia will be maintained with propofol
Eligibility Criteria
You may qualify if:
- adult patients, American Society of Anesthesiologists (ASA) distribution I-III, scheduled for thyroidectomy
You may not qualify if:
- patients with history of airway hyperreactivity (asthma, bronchitis)
- patients with history of allergy
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Aretaieion University Hospital
Athens, 115 28, Greece
Related Publications (9)
Gaston B, Drazen JM, Loscalzo J, Stamler JS. The biology of nitrogen oxides in the airways. Am J Respir Crit Care Med. 1994 Feb;149(2 Pt 1):538-51. doi: 10.1164/ajrccm.149.2.7508323.
PMID: 7508323BACKGROUNDWarke TJ, Fitch PS, Brown V, Taylor R, Lyons JD, Ennis M, Shields MD. Exhaled nitric oxide correlates with airway eosinophils in childhood asthma. Thorax. 2002 May;57(5):383-7. doi: 10.1136/thorax.57.5.383.
PMID: 11978911BACKGROUNDSaraiva-Romanholo BM, Machado FS, Almeida FM, Nunes Mdo P, Martins MA, Vieira JE. Non-asthmatic patients show increased exhaled nitric oxide concentrations. Clinics (Sao Paulo). 2009;64(1):5-10. doi: 10.1590/s1807-59322009000100002.
PMID: 19142544BACKGROUNDGonzalez-Correa JA, Cruz-Andreotti E, Arrebola MM, Lopez-Villodres JA, Jodar M, De La Cruz JP. Effects of propofol on the leukocyte nitric oxide pathway: in vitro and ex vivo studies in surgical patients. Naunyn Schmiedebergs Arch Pharmacol. 2008 Jan;376(5):331-9. doi: 10.1007/s00210-007-0220-4. Epub 2007 Dec 7.
PMID: 18064439BACKGROUNDChu CH, David Liu D, Hsu YH, Lee KC, Chen HI. Propofol exerts protective effects on the acute lung injury induced by endotoxin in rats. Pulm Pharmacol Ther. 2007;20(5):503-12. doi: 10.1016/j.pupt.2006.03.006. Epub 2006 Apr 21.
PMID: 16713316BACKGROUNDChen HI, Hsieh NK, Kao SJ, Su CF. Protective effects of propofol on acute lung injury induced by oleic acid in conscious rats. Crit Care Med. 2008 Apr;36(4):1214-21. doi: 10.1097/CCM.0b013e31816a0607.
PMID: 18379248BACKGROUNDKrumholz W, Abdulle O, Knecht J, Hempelmann G. Effects of i.v. anaesthetic agents on the chemotaxis of eosinophils in vitro. Br J Anaesth. 1999 Aug;83(2):333-5. doi: 10.1093/bja/83.2.333.
PMID: 10618953BACKGROUNDAntus B, Horvath I, Barta I. Assessment of exhaled nitric oxide by a new hand-held device. Respir Med. 2010 Sep;104(9):1377-80. doi: 10.1016/j.rmed.2010.06.005. Epub 2010 Jul 2.
PMID: 20594818BACKGROUNDPisi R, Aiello M, Tzani P, Marangio E, Olivieri D, Chetta A. Measurement of fractional exhaled nitric oxide by a new portable device: comparison with the standard technique. J Asthma. 2010 Sep;47(7):805-9. doi: 10.3109/02770903.2010.485667.
PMID: 20670207BACKGROUND
Related Links
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Kassiani Theodoraki, PhD, DEAA
Aretaieion University Hospital
- PRINCIPAL INVESTIGATOR
Artemis Vekrakou, MD
Aretaieion University Hospital
- STUDY CHAIR
Eriphylli Argyra, PhD
Aretaieion University Hospital
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- BASIC SCIENCE
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Associate Professor in Anesthesiology
Study Record Dates
First Submitted
February 15, 2014
First Posted
February 19, 2014
Study Start
May 1, 2014
Primary Completion
April 1, 2018
Study Completion
April 1, 2018
Last Updated
February 1, 2022
Record last verified: 2022-01