In vivo erythrocyte sickling in the Japanese sika deer (Cervus nippon): methodology

C. J. Parshall, S. J. Vainisi, M. F. Goldberg, E. D. Wolf

Research output: Contribution to journalArticlepeer-review

Abstract

The Japanese sika deer (Cervus nippon) proved to be a suitable animal model for the study of acute phases of in vivo erythrocyte sickling. Ophthalmologic studies can be conducted during or after 1 to 6 hr of effective in vivo sickling. Intravenous administration of 1.75 to 3.5% sodium bicarbonate solution at a rate of 500 to 1,000 ml per hr produced a transient state of alkalosis and in vivo erythrocyte sickling in the sika deer. The percentage of sickled erythrocytes increased as the blood pH increased. Concurrently, the packed cell volume decreased. Sickling was enhanced by 100% oxygen ventilation after endotracheal intubation and light anesthetization. After the induction of erythrocyte sickling, a sickling reversal phenomenon occurred despite continued bicarbonate administration. During the course of this reversal, the percentage of sickled erythrocytes steadily decreased, the venous blood pH decreased and the packed cell volume slowly increased. Because of the sickling reversal phenomenon, chronic erythrocyte sickling was not achieved.

Original languageEnglish (US)
Pages (from-to)749-752
Number of pages4
JournalAmerican journal of veterinary research
Volume36
Issue number6
StatePublished - Dec 1 1975
Externally publishedYes

ASJC Scopus subject areas

  • veterinary(all)

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