Document Detail


Quantification and comparison of pulmonary emboli formation after pneumatic tourniquet release in patients undergoing reconstruction of anterior cruciate ligament and total knee arthroplasty.
MedLine Citation:
PMID:  12032043     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The amount of emboli formed (percentage of total emboli area to the right atrial area [%Ae]) after tourniquet release in invasive procedures of the medullary cavity is empirically much larger than that in noninvasive procedures, even if the tourniquet duration is similar. Thus, we compared %Ae between arthroscopic reconstruction of the anterior cruciate ligament (ACL, n = 20) and total knee arthroplasty (TKA, n = 20). The right atrium was continuously monitored by transesophageal echocardiography to assess %Ae. Peak %Ae +/- SD (ACL, 4.1% +/- 3.4%; TKA, 20.7% +/- 16.7%) appeared 30-40 s after tourniquet release in both groups. However, %Ae in the TKA group was always larger than the peak %Ae in the ACL group. In addition, although the ET(CO(2)) significantly increased after tourniquet release in both groups, increase of ET(CO(2)) (1.1% +/- 0.3%) in the ACL group was significantly larger than that in the TKA group (0.5% +/- 0.2%). An increase in ET(CO(2)) was inversely proportional to peak %Ae (P < 0.01; r = 0.703). Therefore, the present data suggest that the risk of acute pulmonary embolism after tourniquet release may be more frequent during TKA than ACL. IMPLICATIONS: We compared emboli formation after tourniquet release in patients undergoing arthroscopic reconstruction of the anterior cruciate ligament (ACL, n = 20) and total knee arthroplasty (TKA, n = 20) using transesophageal echocardiography. The present data suggest that the risk of acute pulmonary embolism after tourniquet release could be more frequent during TKA than ACL.
Authors:
Kazuyoshi Hirota; Hiroshi Hashimoto; Toshihito Tsubo; Hironori Ishihara; Akitomo Matsuki
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article    
Journal Detail:
Title:  Anesthesia and analgesia     Volume:  94     ISSN:  0003-2999     ISO Abbreviation:  Anesth. Analg.     Publication Date:  2002 Jun 
Date Detail:
Created Date:  2002-05-28     Completed Date:  2002-06-19     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  1310650     Medline TA:  Anesth Analg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1633-8, table of contents     Citation Subset:  AIM; IM    
Affiliation:
Department of Anesthesiology, University of Hirosaki School of Medicine, Hirosaki 036-8562, Japan. masuika@cc.hirosaki-u.ac.jp
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MeSH Terms
Descriptor/Qualifier:
Acute Disease
Adult
Aged
Aged, 80 and over
Anterior Cruciate Ligament / surgery*
Arthroplasty, Replacement, Knee / adverse effects*
Atrial Function, Right
Echocardiography, Transesophageal
Female
Hemodynamics / physiology
Humans
Intraoperative Complications / epidemiology*,  etiology
Male
Orthopedic Procedures / adverse effects*
Oxygen / blood
Pulmonary Embolism / epidemiology*,  etiology
Reperfusion / adverse effects*
Tourniquets / adverse effects*
Chemical
Reg. No./Substance:
7782-44-7/Oxygen

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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