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Intraocular pressure and pupil diameter in healthy cats anesthetized with isoflurane and pre-medicated with isolated acepromazine or in combination with tramadol
ABSTRACT The objective of this study was to determine changes on intraocular pressure (IOP) and pupil diameter (PD) in healthy cats anesthetized with isoflurane, and premedicated with acepromazine alone or in combination with tramadol. Thirty cats were allocated in two groups (n=15/each) and were tr...
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Published in: | Arquivo brasileiro de medicina veterinária e zootecnia 2021-05, Vol.73 (3), p.631-638 |
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description | ABSTRACT The objective of this study was to determine changes on intraocular pressure (IOP) and pupil diameter (PD) in healthy cats anesthetized with isoflurane, and premedicated with acepromazine alone or in combination with tramadol. Thirty cats were allocated in two groups (n=15/each) and were treated with acepromazine (AG) or acepromazine/tramadol (ATG). PD and IOP were assessed before and following 30 (PM1), and 40 minutes (PM2) of treatments. Anesthesia was induced with propofol, and IOP and DP were recorded (A10) at 10 minute intervals until the end of anesthesia (A40). IOP decreased in AG and ATG, when comparing baseline with PM1. IOP decreased only in AG, in comparisons between baseline and PM2. During anesthesia, IOP did not change within and between groups. Comparisons between baseline with those recorded at PM1 and 2 showed that PD increased in the ATG. During anesthesia, PD decreased significantly in AG and ATG. Both protocols maintained the IOP within the reference range to perform corneal or intraocular surgery in healthy cats but did not sustain pre-anesthetic pupil dilation observed in ATG.
RESUMO O objetivo do presente artigo é determinar possíveis alterações na pressão intraocular (PIO) e no diâmetro pupilar (DP) em gatos saudáveis anestesiados com isoflurano e pré-medicados com acepromazina isolada ou em combinação com acepromazina/tramadol. Trinta gatos saudáveis foram distribuídos aleatoriamente em dois grupos (n=15/cada) e tratados com acepromazina (GA) ou acepromazina/tramadol (GAT). DP e PIO foram avaliadas antes (basal) e após 30 (PM1) e 40 minutos (PM2) dos tratamentos. A anestesia foi induzida com propofol, e a PIO e o DP foram registrados (A10) a cada 10 minutos até o final da anestesia com isoflurano (A40). Ao se compararem os valores obtidos no basal com PM1, a PIO diminuiu em GA e GAT; com PM2, a PIO reduziu apenas no GA. Durante a anestesia, a PIO não diferiu dentro e entre os grupos. Comparações entre os valores basais e os registrados em PM1 e em PM2 mostraram que a DP aumentou significativamente no GAT. Durante a anestesia, o DP diminuiu significativamente em GA e GAT. Ambos os protocolos mantêm a PIO dentro dos valores de referência para realizar cirurgias corneanas ou intraoculares em gatos saudáveis, mas não sustentam a dilatação pupilar pré-anestésica observada em GAT. |
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RESUMO O objetivo do presente artigo é determinar possíveis alterações na pressão intraocular (PIO) e no diâmetro pupilar (DP) em gatos saudáveis anestesiados com isoflurano e pré-medicados com acepromazina isolada ou em combinação com acepromazina/tramadol. Trinta gatos saudáveis foram distribuídos aleatoriamente em dois grupos (n=15/cada) e tratados com acepromazina (GA) ou acepromazina/tramadol (GAT). DP e PIO foram avaliadas antes (basal) e após 30 (PM1) e 40 minutos (PM2) dos tratamentos. A anestesia foi induzida com propofol, e a PIO e o DP foram registrados (A10) a cada 10 minutos até o final da anestesia com isoflurano (A40). Ao se compararem os valores obtidos no basal com PM1, a PIO diminuiu em GA e GAT; com PM2, a PIO reduziu apenas no GA. Durante a anestesia, a PIO não diferiu dentro e entre os grupos. Comparações entre os valores basais e os registrados em PM1 e em PM2 mostraram que a DP aumentou significativamente no GAT. Durante a anestesia, o DP diminuiu significativamente em GA e GAT. Ambos os protocolos mantêm a PIO dentro dos valores de referência para realizar cirurgias corneanas ou intraoculares em gatos saudáveis, mas não sustentam a dilatação pupilar pré-anestésica observada em GAT.</description><identifier>ISSN: 0102-0935</identifier><identifier>ISSN: 1678-4162</identifier><identifier>EISSN: 1678-4162</identifier><identifier>DOI: 10.1590/1678-4162-12102</identifier><language>eng</language><publisher>Universidade Federal de Minas Gerais, Escola de Veterinária</publisher><subject>feline ophthalmology ; general anesthesia ; mydriasis ; rebound tonometry ; VETERINARY SCIENCES</subject><ispartof>Arquivo brasileiro de medicina veterinária e zootecnia, 2021-05, Vol.73 (3), p.631-638</ispartof><rights>This work is licensed under a Creative Commons Attribution 4.0 International License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c317t-abf9ad908a76ccd28ec5ea3846acde8c647a17bff7ba012885647be4c36e3fdf3</citedby><cites>FETCH-LOGICAL-c317t-abf9ad908a76ccd28ec5ea3846acde8c647a17bff7ba012885647be4c36e3fdf3</cites><orcidid>0000-0003-2159-6838 ; 0000-0003-2217-9518 ; 0000-0002-0782-5422 ; 0000-0002-8922-2886 ; 0000-0002-2228-5938 ; 0000-0001-6447-2718</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,24150,27924,27925</link.rule.ids></links><search><creatorcontrib>Rodrigues, B.E.</creatorcontrib><creatorcontrib>Ribeiro, A.P.</creatorcontrib><creatorcontrib>Amorim, T.M.</creatorcontrib><creatorcontrib>Perotto, A.B.</creatorcontrib><creatorcontrib>Mendes, M.A.</creatorcontrib><creatorcontrib>Guimarães, L.D.</creatorcontrib><title>Intraocular pressure and pupil diameter in healthy cats anesthetized with isoflurane and pre-medicated with isolated acepromazine or in combination with tramadol</title><title>Arquivo brasileiro de medicina veterinária e zootecnia</title><addtitle>Arq. Bras. Med. Vet. Zootec</addtitle><description>ABSTRACT The objective of this study was to determine changes on intraocular pressure (IOP) and pupil diameter (PD) in healthy cats anesthetized with isoflurane, and premedicated with acepromazine alone or in combination with tramadol. Thirty cats were allocated in two groups (n=15/each) and were treated with acepromazine (AG) or acepromazine/tramadol (ATG). PD and IOP were assessed before and following 30 (PM1), and 40 minutes (PM2) of treatments. Anesthesia was induced with propofol, and IOP and DP were recorded (A10) at 10 minute intervals until the end of anesthesia (A40). IOP decreased in AG and ATG, when comparing baseline with PM1. IOP decreased only in AG, in comparisons between baseline and PM2. During anesthesia, IOP did not change within and between groups. Comparisons between baseline with those recorded at PM1 and 2 showed that PD increased in the ATG. During anesthesia, PD decreased significantly in AG and ATG. Both protocols maintained the IOP within the reference range to perform corneal or intraocular surgery in healthy cats but did not sustain pre-anesthetic pupil dilation observed in ATG.
RESUMO O objetivo do presente artigo é determinar possíveis alterações na pressão intraocular (PIO) e no diâmetro pupilar (DP) em gatos saudáveis anestesiados com isoflurano e pré-medicados com acepromazina isolada ou em combinação com acepromazina/tramadol. Trinta gatos saudáveis foram distribuídos aleatoriamente em dois grupos (n=15/cada) e tratados com acepromazina (GA) ou acepromazina/tramadol (GAT). DP e PIO foram avaliadas antes (basal) e após 30 (PM1) e 40 minutos (PM2) dos tratamentos. A anestesia foi induzida com propofol, e a PIO e o DP foram registrados (A10) a cada 10 minutos até o final da anestesia com isoflurano (A40). Ao se compararem os valores obtidos no basal com PM1, a PIO diminuiu em GA e GAT; com PM2, a PIO reduziu apenas no GA. Durante a anestesia, a PIO não diferiu dentro e entre os grupos. Comparações entre os valores basais e os registrados em PM1 e em PM2 mostraram que a DP aumentou significativamente no GAT. Durante a anestesia, o DP diminuiu significativamente em GA e GAT. Ambos os protocolos mantêm a PIO dentro dos valores de referência para realizar cirurgias corneanas ou intraoculares em gatos saudáveis, mas não sustentam a dilatação pupilar pré-anestésica observada em GAT.</description><subject>feline ophthalmology</subject><subject>general anesthesia</subject><subject>mydriasis</subject><subject>rebound tonometry</subject><subject>VETERINARY SCIENCES</subject><issn>0102-0935</issn><issn>1678-4162</issn><issn>1678-4162</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>DOA</sourceid><recordid>eNpNkc-K3SAYxaW00Ntp1936ApnRmGvMsgz9c2Ggi7Zr-aKfvV5MDGooM2_TN625GYYuRDyeczjwI-QjZ7f8OLA7LnvVdFy2DW85a1-Rw4vymhxYlRo2iONb8i7nC2NtNwz8QP6e5pIgmjVAokvCnNeEFGZLl3XxgVoPExZM1M_0jBDK-ZEaKLlaMJczFv-Elv7x5Ux9ji6sqX7s-YTNhNZX93-OcH2BwSXFCZ58NcdruYnT6GcoPs67uc6awMbwnrxxEDJ-eL5vyK8vn3_ef2sevn893X96aIzgfWlgdAPYgSnopTG2VWiOCEJ1EoxFZWTXA-9H5_oRGG-VOlZlxM4IicJZJ27Iae-1ES56SX6C9KgjeH0VYvqtIRVvAmpkDnFsJcfBdc5xJQSzPZpBqnrQ1q7bvSsbjyHqS1zTXMfrHxsHvXFoWaXEmGBMCl4Dd3vApJhzQvcygDO94dUbTL3B1Fe84h-3_ZtU</recordid><startdate>20210501</startdate><enddate>20210501</enddate><creator>Rodrigues, B.E.</creator><creator>Ribeiro, A.P.</creator><creator>Amorim, T.M.</creator><creator>Perotto, A.B.</creator><creator>Mendes, M.A.</creator><creator>Guimarães, L.D.</creator><general>Universidade Federal de Minas Gerais, Escola de Veterinária</general><general>Universidade Federal de Minas Gerais</general><scope>AAYXX</scope><scope>CITATION</scope><scope>GPN</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0003-2159-6838</orcidid><orcidid>https://orcid.org/0000-0003-2217-9518</orcidid><orcidid>https://orcid.org/0000-0002-0782-5422</orcidid><orcidid>https://orcid.org/0000-0002-8922-2886</orcidid><orcidid>https://orcid.org/0000-0002-2228-5938</orcidid><orcidid>https://orcid.org/0000-0001-6447-2718</orcidid></search><sort><creationdate>20210501</creationdate><title>Intraocular pressure and pupil diameter in healthy cats anesthetized with isoflurane and pre-medicated with isolated acepromazine or in combination with tramadol</title><author>Rodrigues, B.E. ; Ribeiro, A.P. ; Amorim, T.M. ; Perotto, A.B. ; Mendes, M.A. ; Guimarães, L.D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c317t-abf9ad908a76ccd28ec5ea3846acde8c647a17bff7ba012885647be4c36e3fdf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>feline ophthalmology</topic><topic>general anesthesia</topic><topic>mydriasis</topic><topic>rebound tonometry</topic><topic>VETERINARY SCIENCES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rodrigues, B.E.</creatorcontrib><creatorcontrib>Ribeiro, A.P.</creatorcontrib><creatorcontrib>Amorim, T.M.</creatorcontrib><creatorcontrib>Perotto, A.B.</creatorcontrib><creatorcontrib>Mendes, M.A.</creatorcontrib><creatorcontrib>Guimarães, L.D.</creatorcontrib><collection>CrossRef</collection><collection>SciELO</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>Arquivo brasileiro de medicina veterinária e zootecnia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rodrigues, B.E.</au><au>Ribeiro, A.P.</au><au>Amorim, T.M.</au><au>Perotto, A.B.</au><au>Mendes, M.A.</au><au>Guimarães, L.D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Intraocular pressure and pupil diameter in healthy cats anesthetized with isoflurane and pre-medicated with isolated acepromazine or in combination with tramadol</atitle><jtitle>Arquivo brasileiro de medicina veterinária e zootecnia</jtitle><addtitle>Arq. Bras. Med. Vet. Zootec</addtitle><date>2021-05-01</date><risdate>2021</risdate><volume>73</volume><issue>3</issue><spage>631</spage><epage>638</epage><pages>631-638</pages><issn>0102-0935</issn><issn>1678-4162</issn><eissn>1678-4162</eissn><abstract>ABSTRACT The objective of this study was to determine changes on intraocular pressure (IOP) and pupil diameter (PD) in healthy cats anesthetized with isoflurane, and premedicated with acepromazine alone or in combination with tramadol. Thirty cats were allocated in two groups (n=15/each) and were treated with acepromazine (AG) or acepromazine/tramadol (ATG). PD and IOP were assessed before and following 30 (PM1), and 40 minutes (PM2) of treatments. Anesthesia was induced with propofol, and IOP and DP were recorded (A10) at 10 minute intervals until the end of anesthesia (A40). IOP decreased in AG and ATG, when comparing baseline with PM1. IOP decreased only in AG, in comparisons between baseline and PM2. During anesthesia, IOP did not change within and between groups. Comparisons between baseline with those recorded at PM1 and 2 showed that PD increased in the ATG. During anesthesia, PD decreased significantly in AG and ATG. Both protocols maintained the IOP within the reference range to perform corneal or intraocular surgery in healthy cats but did not sustain pre-anesthetic pupil dilation observed in ATG.
RESUMO O objetivo do presente artigo é determinar possíveis alterações na pressão intraocular (PIO) e no diâmetro pupilar (DP) em gatos saudáveis anestesiados com isoflurano e pré-medicados com acepromazina isolada ou em combinação com acepromazina/tramadol. Trinta gatos saudáveis foram distribuídos aleatoriamente em dois grupos (n=15/cada) e tratados com acepromazina (GA) ou acepromazina/tramadol (GAT). DP e PIO foram avaliadas antes (basal) e após 30 (PM1) e 40 minutos (PM2) dos tratamentos. A anestesia foi induzida com propofol, e a PIO e o DP foram registrados (A10) a cada 10 minutos até o final da anestesia com isoflurano (A40). Ao se compararem os valores obtidos no basal com PM1, a PIO diminuiu em GA e GAT; com PM2, a PIO reduziu apenas no GA. Durante a anestesia, a PIO não diferiu dentro e entre os grupos. Comparações entre os valores basais e os registrados em PM1 e em PM2 mostraram que a DP aumentou significativamente no GAT. Durante a anestesia, o DP diminuiu significativamente em GA e GAT. Ambos os protocolos mantêm a PIO dentro dos valores de referência para realizar cirurgias corneanas ou intraoculares em gatos saudáveis, mas não sustentam a dilatação pupilar pré-anestésica observada em GAT.</abstract><pub>Universidade Federal de Minas Gerais, Escola de Veterinária</pub><doi>10.1590/1678-4162-12102</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0003-2159-6838</orcidid><orcidid>https://orcid.org/0000-0003-2217-9518</orcidid><orcidid>https://orcid.org/0000-0002-0782-5422</orcidid><orcidid>https://orcid.org/0000-0002-8922-2886</orcidid><orcidid>https://orcid.org/0000-0002-2228-5938</orcidid><orcidid>https://orcid.org/0000-0001-6447-2718</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | feline ophthalmology general anesthesia mydriasis rebound tonometry VETERINARY SCIENCES |
title | Intraocular pressure and pupil diameter in healthy cats anesthetized with isoflurane and pre-medicated with isolated acepromazine or in combination with tramadol |
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