Abstract:
BACKGROUND:Immunosuppression associated with surgery may predispose to increased tumour growth or recurrence. Lymphocytes are central components of the immune network, signalling specific and non-specific responses in tumour immunosurveillance. This study was therefore designed to compare the effects of minimally invasive and conventional approaches to major thoracic surgery on lymphocyte populations and oxidative activity. PATIENTS AND METHODS:The effects of conventional and minimally invasive video-assisted thoracic surgery (VATS) on the numbers and types of circulating lymphocytes and on lymphocyte oxidation were compared in a prospective randomized study of 41 patients undergoing lobectomy for peripheral bronchogenic carcinoma. Blood taken pre-operatively and on days 2 and 7 post-operatively was analysed for T (CD4, CD8), B (CD19) and natural killer (NK) (CD56, CD16) cell counts and for lymphocyte oxidative activity. Leucocyte numbers were compared with pre-surgical values and oxidative rate with healthy donor controls. RESULTS:Lymphocyte counts fell after surgery; VATS was associated with less effect on circulating T (CD4) cells at 2 days and on NK lymphocytes at 7 days post-surgery. Lymphocyte oxidation was less suppressed in the VATS group 2 days after surgery. In general, post-surgical changes in key cells of cellular immunity were smaller in the VATS group, and recovery to normal levels was more rapid. CONCLUSION:The degree of invasiveness of thoracic surgery may influence the extent of immunosuppression in patients undergoing pulmonary lobectomy for pulmonary neoplasm.
journal_name
Eur J Clin Investjournal_title
European journal of clinical investigationauthors
Leaver HA,Craig SR,Yap PL,Walker WSdoi
10.1046/j.1365-2362.2000.00622.xkeywords:
subject
Has Abstractpub_date
2000-03-01 00:00:00pages
230-8issue
3eissn
0014-2972issn
1365-2362pii
eci622journal_volume
30pub_type
临床试验,杂志文章,随机对照试验abstract:BACKGROUND:Little is known about gallbladder motility in patients with black pigment stones when compared to cholesterol gallstone patients, or about their relationship to biliary composition, crystallization and stone characteristics. DESIGN:Fasting and postprandial gallbladder volumes were studied by ultrasonography...
journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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