PMID: 6973960Jan 1, 1981Paper

Comparative examinations of the effect of general and local anesthesia upon the T-lymphocytes in melanoma operations (author's transl)

Archiv für Geschwulstforschung
C Seebacher, E Bässler

Abstract

We examined the number of T-Lymphocytes in 14 malignant melanoma patients using the sheep erythrocyte rosette test and the PHA stimulation test. These investigations were carried out before the operation under general anesthesia was performed as well as 1, 7, 14, 21, and 28 days after the operation. 16 patients with various large surface skin operations in local anesthesia served as a control group. Among them there were also 5 malignant melanoma cases. The tests preoperatively accomplished yielded normal results (T-lymphocytes 65.7 +/- 2.95%, PHA stimulation 79.01 +/- 1.69%) for all 19 melanoma patients. 24 hours after the operation the average portion of T-lymphocytes decreased in relation to the whole lymphocytes and reached only the level of 53.8 +/- 7.8%. After 7 days it amounted to 57.5 +/- 8.5%, after 14 days to 59.5 +/- 7.8%, after 21 days to 62.3 +/- 5.4% and after 28 days to 62.8 +/- 6.1%. The PHA stimulation was significantly diminished only after 24 hours, but not longer after 7 days. A correlation between the diminution of T-lymphocytes observed 14 and more days after the operation and the duration of the general anesthesia may be suggested in single cases. -- Patients operated under local anesthesia showed after 2...Continue Reading

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