| Venous flow dynamics during spinal block in normotensive and hypertensive elderly patients: a duplex ultrasonographic study. | |
| | |
MedLine Citation:
|
PMID: 22260199 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
|
BACKGROUND: Spinal block induces hyperkinetic change in lower extremity blood flow. We compared the venous flow dynamic responses to spinal block in normotensive and hypertensive elderly patients. METHODS: Following spinal block using 10 mg 0.5% (w/v) bupivacaine, we measured changes in blood pressure, heart rate, and venous flow dynamics of the popliteal vein by duplex ultrasonography in 20 normotensive (NBP group) and 18 hypertensive (HIBP group) patients. RESULTS: Spinal block caused significant decreases in blood pressure in both groups; similar rates of hypotension were observed. At baseline, peak velocity, time-averaged maximum velocity, and time-averaged mean velocity were higher in the HIBP than in the NBP group. During spinal block, peak velocity increased in both groups, and the between-group differences were no longer significant. At baseline, volume flow in the two groups was similar and increased by 141.5% in the NBP and 131.7% in the HIBP group during spinal block. CONCLUSIONS: Blood pressure and flow dynamics in the popliteal vein showed similar changes during spinal anaesthesia in elderly patients taking antihypertensive medication and normotensive patients, despite differences in baseline values. |
| | |
Authors:
|
H K Kil; E H Suk; M H Lee; E C Bang; J-Y Hong |
Related Documents
:
|
6543649 - Secondary polycythemia: a boon or a burden? 19868299 - The tropistic action of blood vessels on the migration of chromatophores. 6304829 - Mitochondrial function in normal and hypoxic states of the myocardium. 10890649 - Intravenous crocetinate prolongs survival in a rat model of lethal hypoxemia. 3677749 - Oxygen tensions and oxyhemoglobin saturations in the assessment of pulmonary gas exchange. 468639 - Abolition of a viscerosomatic reflex during oxygen deprivation. 18346149 - Detection of bartonella henselae in the blood of 2 adult horses. 2928529 - Mechanical clot dissolution: new concept. 10666979 - Intracranial clot dissolution is associated with embolic signals on transcranial doppler. |
Publication Detail:
|
Type: JOURNAL ARTICLE Date: 2012-1-19 |
Journal Detail:
|
Title: Acta anaesthesiologica Scandinavica Volume: - ISSN: 1399-6576 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
|
Created Date: 2012-1-20 Completed Date: - Revised Date: - |
Medline Journal Info:
|
Nlm Unique ID: 0370270 Medline TA: Acta Anaesthesiol Scand Country: - |
Other Details:
|
Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
|
© 2012 The Authors. Acta Anaesthesiologica Scandinavica © 2012 The Acta Anaesthesiologica Scandinavica Foundation. |
Affiliation:
|
Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Korea. |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
|
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Extraction of the antimicrobial peptide cerein 8A by aqueous two-phase systems and aqueous two-phase...
Next Document: Turning on Red and Near-Infrared Phosphorescence in Octahedral Complexes with Metalated Quinones.