Investigation of the toxic effects of ropivacaine corneal endothelium by the impression cytological method

Authors

• Sevda Soker, Assistant Professor, Department of Histology and Embryology, Dicle University, Faculty of Medicine, 21280, Diyarbakir, Turkey. Tel. +90 (412) 2488001. Fax. +90 (412) 2488440. E-mail: ipeksoker{at}hotmail.com, msoker{at}dicle.edu.tr
• Sevin Cakmak, Assistant Professor, Department of Histology and Embryology, Dicle University, Faculty of Medicine, 21280, Diyarbakir, Turkey. Tel. +90 (412) 2488001. Fax. +90 (412) 2488440. E-mail: ipeksoker{at}hotmail.com, msoker{at}dicle.edu.tr
• Gonul Olmez, Assistant Professor, Department of Histology and Embryology, Dicle University, Faculty of Medicine, 21280, Diyarbakir, Turkey. Tel. +90 (412) 2488001. Fax. +90 (412) 2488440. E-mail: ipeksoker{at}hotmail.com, msoker{at}dicle.edu.tr
• Huseyin Buyukbayram, Assistant Professor, Department of Histology and Embryology, Dicle University, Faculty of Medicine, 21280, Diyarbakir, Turkey. Tel. +90 (412) 2488001. Fax. +90 (412) 2488440. E-mail: ipeksoker{at}hotmail.com, msoker{at}dicle.edu.tr
• Yusuf Nergiz, Assistant Professor, Department of Histology and Embryology, Dicle University, Faculty of Medicine, 21280, Diyarbakir, Turkey. Tel. +90 (412) 2488001. Fax. +90 (412) 2488440. E-mail: ipeksoker{at}hotmail.com, msoker{at}dicle.edu.tr

Abstract

OBJECTIVE: To investigate the toxic effects of ropivacaine on corneal endothelium by using the impression cytological method. METHODS: The study was performed between October and December 2004 in Dicle University Hospital, Diyarbakir, Turkey. Twenty-four eyes from 12 rats were used for the research. They were divided into 4 groups, each containing 3 different ropivacaine concentrations and a control. Immediately after enucleation, the corneas were excised and the endothelium was exposed to unpreserved ropivacaine 0.01, 0.1, or 1% and balanced salt solutions (BSS) as a control (6 corneas/group) for 20 minutes. The specimens were obtained by impression cytology method and stained with periodic acid shift. Then, they were examined under light microscope. RESULTS: Blurring at cell membrane borders, vacuolization at cell cytoplasm, hydropic degeneration and increase in toxic granulation were observed in the 1% ropivacaine group. Cytoplasmic hydropic degeneration was determined in the 0.1% ropivacaine group. Cell structures were normal and almost identical to the control group in the 0.01% ropivacaine group. CONCLUSION: In this study, 2 major conclusions were determined. The impression cytology method can be used in examination of corneal endothelium, and exposure of rat corneal endothelium to 0.01% ropivacaine solutions in vitro appears to be non-toxic.

Article Type

Research Article

First Page

1018

Last Page

1020

Recommended Citation

Soker, Sevda; Cakmak, Sevin; Olmez, Gonul; Buyukbayram, Huseyin; and Nergiz, Yusuf (2007) "Investigation of the toxic effects of ropivacaine corneal endothelium by the impression cytological method," Saudi Medical Journal: Vol. 28: Iss. 7, Article 4.
DOI: https://doi.org/10.15537/1658-3175.3968