Effect of Interscalene Block on Heart Rate Variability (HRV)
NCT ID: NCT01185457
Last Updated: 2012-10-29
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
50 participants
OBSERVATIONAL
2010-06-30
2012-09-30
Brief Summary
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Detailed Description
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Conditions
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Keywords
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Study Design
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CASE_CROSSOVER
PROSPECTIVE
Study Groups
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Left interscalene block
Left shoulder surgery under left interscalene block and HRV
No interventions assigned to this group
Right interscalene block
Right shoulder surgery under right interscalene block and HRV
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
* Age 20- 45 years old
* ASA I - II
Exclusion Criteria
* Infection at the puncture site for the interscalene block
* Neurologic deficit in the arm that is going to be operated
* Allergy to local anesthetics
* BMI \> 35
* Psychiatric disorders
* Patient's refusal
* Problems with patient communication
* Arrythmia
* Ischaemic heart disease
* Diabetes mellitus
* Thyroid function disorders
* Patients with conduction disorders on the ECG
* Electrolyte disorders (K+, Na+, Ca++)
* Patients on medication that affect the ECG
20 Years
45 Years
ALL
No
Sponsors
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Larissa University Hospital
OTHER
Responsible Party
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Eleni Chantzi
Anesthesiologist
Principal Investigators
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Eleni Chantzi, Medicine
Role: PRINCIPAL_INVESTIGATOR
Larissa University Hospital
George Vretzakis, Medicine
Role: STUDY_DIRECTOR
Larissa University Hospital
Metaxia Bareka, Medicine
Role: STUDY_CHAIR
Larissa University Hospital
Christos Iatrou, Medicine
Role: STUDY_CHAIR
Alexandroupoli University Hospital
Theophilos Karachalios, Medicine
Role: STUDY_CHAIR
Larissa University Hospital
Marina Simaioforidou, Medicine
Role: STUDY_CHAIR
Larissa University Hospital
Locations
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Larissa University Hospital
Larissa, Thessaly, Greece
Countries
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References
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Pomeranz B, Macaulay RJ, Caudill MA, Kutz I, Adam D, Gordon D, Kilborn KM, Barger AC, Shannon DC, Cohen RJ, et al. Assessment of autonomic function in humans by heart rate spectral analysis. Am J Physiol. 1985 Jan;248(1 Pt 2):H151-3. doi: 10.1152/ajpheart.1985.248.1.H151.
Pagani M, Lombardi F, Guzzetti S, Rimoldi O, Furlan R, Pizzinelli P, Sandrone G, Malfatto G, Dell'Orto S, Piccaluga E, et al. Power spectral analysis of heart rate and arterial pressure variabilities as a marker of sympatho-vagal interaction in man and conscious dog. Circ Res. 1986 Aug;59(2):178-93. doi: 10.1161/01.res.59.2.178.
Muzi M, Ebert Tj. Quantification of heart rate variability with power spectral analysis. Current Opinion in Aneasthesiology 6: 3-17, 1993
Malliani A, Pagani M, Lombardi F, Cerutti S. Cardiovascular neural regulation explored in the frequency domain. Circulation. 1991 Aug;84(2):482-92. doi: 10.1161/01.cir.84.2.482.
RANDALL WC, ROHSE WG. The augmentor action of the sympathetic cardiac nerves. Circ Res. 1956 Jul;4(4):470-5. doi: 10.1161/01.res.4.4.470. No abstract available.
Rogers MC, Battit G, McPeek B, Todd D. Lateralization of sympathetic control of the human sinus node: ECG changes of stellate ganglion block. Anesthesiology. 1978 Feb;48(2):139-41. doi: 10.1097/00000542-197802000-00009. No abstract available.
Schwartz PJ, Locati EH, Moss AJ, Crampton RS, Trazzi R, Ruberti U. Left cardiac sympathetic denervation in the therapy of congenital long QT syndrome. A worldwide report. Circulation. 1991 Aug;84(2):503-11. doi: 10.1161/01.cir.84.2.503.
Other Identifiers
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HRVShoulder
Identifier Type: -
Identifier Source: org_study_id