Hepatic Cryotherapy: Double-Freeze Cycles Achieve Greater Hepatocellular Injury in Man

Hepatic cryotherapy is a relatively new technique used to treat both primary and secondary tumors. This paper concerns the changes in serum aspartate transaminase (AST) in 45 patients following both single and double freeze with partial thaw cycles. There was considerable elevation in serum AST, gre...

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Bibliographic Details
Published in:Cryobiology 1995-06, Vol.32 (3), p.215-219
Main Authors: Stewart, G.J., Preketes, A., Horton, M., Ross, W.B., Morris, D.L.
Format: Article
Language:English
Subjects:
Aspartate Aminotransferases - blood
Biological and medical sciences
Biomarkers
Cryotherapy
Diseases of the digestive system
Humans
Liver - enzymology
Liver - pathology
Liver Neoplasms - blood
Liver Neoplasms - secondary
Liver Neoplasms - therapy
Medical sciences
Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)
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Summary:Hepatic cryotherapy is a relatively new technique used to treat both primary and secondary tumors. This paper concerns the changes in serum aspartate transaminase (AST) in 45 patients following both single and double freeze with partial thaw cycles. There was considerable elevation in serum AST, greatest on the day of operation, and there was a significantly higher peak AST following the double-freeze cycles (1159; SE, 117.5) compared with single-freeze/thaw procedures (437; SE, 61.7). This finding indicates greater hepatocellular disruption which may be important both in planning clinical hepatic cryosurgery to achieve adequate destruction and also to avoid the morbidity of the cryoshock phenomenon.
ISSN:0011-2240
1090-2392
DOI:10.1006/cryo.1995.1021