Document Detail


Changes in right ventricular performance in elderly patients who underwent lobectomy using video-assisted thoracic surgery for primary lung cancer.
MedLine Citation:
PMID:  11305054     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: Even though lobectomy using video-assisted thoracic surgery for primary lung cancer has been reported to be beneficial in terms of the perioperative outcome, changes in the right ventricular performance have not yet been reported. The aim of this study was to determine whether lobectomy by video-assisted thoracic surgery is also advantageous with respect to the right ventricular performance in elderly patients who are 70 years old or older. SUBJECTS AND METHODS: Thirteen patients (mean age: 76 years) who underwent lobectomy using video-assisted thoracic surgery (Video-assisted Thoracic Surgery Group), and 10 patients (mean age: 76 years) who underwent lobectomy using a standard thoracotomy as a historical control group (Standard Thoracotomy Group) were studied. The hemodynamics and right ventricular ejection fraction were evaluated preoperatively, and at 6, 12, 24, and at 48 hours postoperatively. RESULTS: Postoperative values were expressed as a percentage of the preoperative values. The systemic vascular resistance index decreased to a greater extent in the Video-assisted Thoracic Surgery Group than in the Standard Thoracotomy Group. The pulmonary arteriolar resistance index at 24 hours postoperation tended to be higher in the Standard Thoracotomy Group than in the Video-assisted Thoracic Surgery Group. The stroke index, cardiac index, and right ventricular ejection fraction at 24 hours postoperation were each significantly higher in the Video-assisted Thoracic Surgery Group than in the Standard Thoracotomy Group. CONCLUSION: Lobectomy using video-assisted thoracic surgery for elderly patients offers not only beneficial effects in the right ventricular afterload but also acceleration in the expected compensatory hyperdynamics during the acute postoperative phase.
Authors:
I Mikami; K Koizumi; S Tanaka
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  The Japanese journal of thoracic and cardiovascular surgery : official publication of the Japanese Association for Thoracic Surgery = Nihon Kyōbu Geka Gakkai zasshi     Volume:  49     ISSN:  1344-4964     ISO Abbreviation:  Jpn. J. Thorac. Cardiovasc. Surg.     Publication Date:  2001 Mar 
Date Detail:
Created Date:  2001-04-17     Completed Date:  2001-05-31     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  100884261     Medline TA:  Jpn J Thorac Cardiovasc Surg     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  153-9     Citation Subset:  IM    
Affiliation:
Department of Surgery II, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan.
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MeSH Terms
Descriptor/Qualifier:
Aged
Aged, 80 and over
Female
Humans
Lung Neoplasms / physiopathology,  surgery*
Male
Pneumonectomy / methods*
Stroke Volume
Thoracic Surgery, Video-Assisted*
Thoracotomy
Vascular Resistance
Ventricular Function, Right*

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


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