Effect of Head Position on MACEI of Sevoflurane in Children With Obstructive Airway (MACEI)
Effect of Head Position on Minimum Alveolar Concentration of Endotracheal Intubation(MACEI)of Sevoflurane in Children With Obstructive Airway
Studienübersicht
Status
Status
Bedingungen
Bedingungen
Intervention / Behandlung
Intervention / Behandlung
Detaillierte Beschreibung
Studientyp
Studientyp
Einschreibung (Voraussichtlich)
Einschreibung
Phase
Phase
- Unzutreffend
Kontakte und Standorte
Studienorte
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Shanghai
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Shanghai, Shanghai, China
- Shanghai9 Hospital
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Teilnahmekriterien
Zulassungskriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Beschreibung
Inclusion Criteria:
- class I or II
- children aged 2-8 years
- children with obstruction airway under general anesthesia undergoing tonsillectomy surgery
- signed informed consent
Exclusion Criteria:
- Patients with a history of adverse reactions to sevoflurane
- Patients with a potentially difficult airway (Mallampati III or IV, a limited mouth opening and/or cervical spine disease)
- Patients with reactive airway disease
- Signs of upper respiratory infection
- Violate experimental scheme
- refused to participate
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
- Hauptzweck: Sonstiges
- Zuteilung: Zufällig
- Interventionsmodell: Parallele Zuordnung
- Maskierung: Doppelt
Anzahl der Arme
Waffen und Interventionen
Teilnehmergruppe / ArmTeilnehmergruppe / Arm |
Intervention / BehandlungIntervention / Behandlung |
|---|---|
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Experimental: 30 degree rotated lateral position
19 patients American Society of Anesthesiologists (ASA) class I or II aged 2-8 years undergoing tonsillectomy surgery were randomized to the head in 30 degree rotated lateral position.
The end-tidal (ET) sevoflurane concentration used for each patient was determined using the Dixon's up-and-down method.
The ratio of the end-tidal to predetermined end-tidal concentrations was maintained at 0.95-1.0
for at least 10 minutes to establish equilibration before device insertion was attempted.
The first patient received a 5.0% sevoflurane concentration and the step size of increase/decrease was 0.5%.
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38 patients American Society of Anesthesiologists (ASA) class I or II aged 2-8 years undergoing tonsillectomy surgery were randomized to either the patient's head in the neutral position or 30 degree rotated lateral position.
The end-tidal (ET) sevoflurane concentration used for each patient was determined using the Dixon's up-and-down method.
The ratio of the end-tidal to predetermined end-tidal concentrations was maintained at 0.95-1.0
for at least 10 minutes to establish equilibration before device insertion was attempted.
The first patient received a 5.0% sevoflurane concentration and the step size of increase/decrease was 0.5%.
Andere Namen:
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Aktiver Komparator: neutral position
19 patients American Society of Anesthesiologists (ASA) class I or II aged 2-8 years undergoing tonsillectomy surgery were randomized to the head in the neutral position.The end-tidal (ET) sevoflurane concentration used for each patient was determined using the Dixon's up-and-down method.
The ratio of the end-tidal to predetermined end-tidal concentrations was maintained at 0.95-1.0
for at least 10 minutes to establish equilibration before device insertion was attempted.
The first patient received a 5.0% sevoflurane concentration and the step size of increase/decrease was 0.5%.
|
38 patients American Society of Anesthesiologists (ASA) class I or II aged 2-8 years undergoing tonsillectomy surgery were randomized to either the patient's head in the neutral position or 30 degree rotated lateral position.
The end-tidal (ET) sevoflurane concentration used for each patient was determined using the Dixon's up-and-down method.
The ratio of the end-tidal to predetermined end-tidal concentrations was maintained at 0.95-1.0
for at least 10 minutes to establish equilibration before device insertion was attempted.
The first patient received a 5.0% sevoflurane concentration and the step size of increase/decrease was 0.5%.
Andere Namen:
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Was misst die Studie?
Primäre Ergebnismessungen
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
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minimum alveolar anesthetic concentration of endotracheal intubation
Zeitfenster: The sevoflurane concentration is obtained when tracheal intubated immediately.
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To compare the minimum alveolar anesthetic concentration of endotracheal intubation required for different head position in children with obstructive airway.
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The sevoflurane concentration is obtained when tracheal intubated immediately.
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Sekundäre Ergebnismessungen
Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
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intubation score
Zeitfenster: The intubation score is obtained when tracheal intubation was inserted immediately.
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One nurse, who was blinded to the anaesthetic concentration, classified responses by the patient to tracheal intubation as either "movement" or "not movement".
Assesment was made for jaw relaxation and graded with intubation score.
The sum of intubation scores >4 was defined as a failure of insertion.
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The intubation score is obtained when tracheal intubation was inserted immediately.
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blood pressure include systolic and diastolic in mmHg
Zeitfenster: Baseline and every 1 minutes until 10 minutes after insertion of the endotracheal intubation.
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To compare the evolution of blood pressure include systolic and diastolic during different head position group.
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Baseline and every 1 minutes until 10 minutes after insertion of the endotracheal intubation.
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heart rate in bpm
Zeitfenster: Baseline and every 1 minutes until 10 minutes after insertion of the endotracheal intubation.
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To compare the evolution of heart rate during different head position group.
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Baseline and every 1 minutes until 10 minutes after insertion of the endotracheal intubation.
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bispectral index(BIS), number from 100 (awake) to 40-60(anesthetic status)
Zeitfenster: Baseline and every 1 minutes until 10 minutes after insertion of the endotracheal intubation.
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To compare the evolution of of bispectral index values during different head position group.
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Baseline and every 1 minutes until 10 minutes after insertion of the endotracheal intubation.
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Mitarbeiter und Ermittler
Sponsor
Sponsor
Ermittler
Ermittler
- Studienstuhl: Li Jing Jie, M.D., Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University
Publikationen und hilfreiche Links
Allgemeine Veröffentlichungen
- Thwaites A, Edmends S, Smith I. Inhalation induction with sevoflurane: a double-blind comparison with propofol. Br J Anaesth. 1997 Apr;78(4):356-61. doi: 10.1093/bja/78.4.356.
- Tanaka S, Tsuchida H, Nakabayashi K, Seki S, Namiki A. The effects of sevoflurane, isoflurane, halothane, and enflurane on hemodynamic responses during an inhaled induction of anesthesia via a mask in humans. Anesth Analg. 1996 Apr;82(4):821-6. doi: 10.1097/00000539-199604000-00025.
- Yasuda N, Lockhart SH, Eger EI 2nd, Weiskopf RB, Liu J, Laster M, Taheri S, Peterson NA. Comparison of kinetics of sevoflurane and isoflurane in humans. Anesth Analg. 1991 Mar;72(3):316-24. doi: 10.1213/00000539-199103000-00007.
- Wajima Z, Inoue T, Yoshikawa T, Imanaga K, Ogawa R. Changes in hemodynamic variables and catecholamine levels after rapid increase in sevoflurane or isoflurane concentration with or without nitrous oxide under endotracheal intubation. J Anesth. 2000;14(4):175-9. doi: 10.1007/s005400070001.
- Goff MJ, Arain SR, Ficke DJ, Uhrich TD, Ebert TJ. Absence of bronchodilation during desflurane anesthesia: a comparison to sevoflurane and thiopental. Anesthesiology. 2000 Aug;93(2):404-8. doi: 10.1097/00000542-200008000-00018.
- Helbo-Hansen S, Ravlo O, Trap-Andersen S. The influence of alfentanil on the intubating conditions after priming with vecuronium. Acta Anaesthesiol Scand. 1988 Jan;32(1):41-4. doi: 10.1111/j.1399-6576.1988.tb02685.x.
- Makkar JK, Ghai B, Bhardwaj N, Wig J. Minimum alveolar concentration of desflurane with fentanyl for laryngeal mask airway removal in anesthetized children. Paediatr Anaesth. 2012 Apr;22(4):335-40. doi: 10.1111/j.1460-9592.2011.03712.x. Epub 2011 Oct 21.
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn (Tatsächlich)
Studienbeginn
Primärer Abschluss (Tatsächlich)
Primärer Abschluss
Studienabschluss (Voraussichtlich)
Studienabschluss
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Tatsächlich)
Zuerst gepostet
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Tatsächlich)
Letztes Update gepostet
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Schlüsselwörter
Zusätzliche relevante MeSH-Bedingungen
Andere Studien-ID-Nummern
Andere Studien-ID-Nummern
- 2018-15-T15
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Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt
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