Potencial Irritativo do Lipiodoluf e Hexabrix 320 utilizados em Sialografia
As alterações vasculares do tecido conjuntivo subcutâneo de ratos, induzidas por substâncias de contraste radiográfico iodadas,, foram comparadas com as induzidas por soro fisiológico (controlo negativo) e Furacin (controlo positivo), durante a fase exsudativa do processo inflamatório. Com esse prop...
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Published in: | Revista portuguesa de estomatologia, medicina dentária e cirurgia maxilofacial Vol. 48; no. 2; pp. 95 - 101 |
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Abstract | As alterações vasculares do tecido conjuntivo subcutâneo de ratos, induzidas por substâncias de contraste radiográfico iodadas,, foram comparadas com as induzidas por soro fisiológico (controlo negativo) e Furacin (controlo positivo), durante a fase exsudativa do processo inflamatório. Com esse propósito, injectaram-se, intravenosamente, na veia dorsal do pénis de ratos, 20mg/kg de peso corporal de azul de Evans e em seguida inocularam- se no tecido subcutâneo 0,1ml de cada substância a ser analisada. Após intervalo de 3 horas os animais foram sacrificados e suas peles excisadas e recortadas. As peças foram imersas imediatamente em 8ml de formamida e levadas ao banho-maria a 37°C, durante 72 horas, para remoção do corante. O líquido contendo o corante extravasado foi filtrado, analisado no espectrofotómetro (620nm). O potencial irritativo dos produtos, após análise estatística, se apresentou, em ordem decrescente da seguinte forma: Furacin (severo), Lipiodol UF e Hexabrix 320 (discreto)., Soro fisiológico (não significativo)…Baseados nas experiências realizadas, concluimos que os contrastes usados podem ser recomendados, dependendo das suas propriedades físicas a escolha para cada caso particular. Não é recomendável injectar Lipiodol UF ou Hexabrix 320 no tecido conjuntivo pelo facto de terem uma reabsorção muito lenta.
The vascular changes induced in the subcutaneous connective tissue of rats, by iodinated substances for radiographic contrast, were compared with physiological serum (negative control) and Furacin (positive control), during the exudative phase of the inflammatory process. Twenty mg/kg of Evan's blue were injected intravenously in the dorsal vein of the rat penis, after which 0,1ml of each substance tested were inoculated sbcutaneously. Three hours later the animals were sacrificed and their skins were excised, cut and punched out. The pieces were immediately immersed in 8ml of formamide and taken to a double boiler for 72 hours at 37°C, to remove the dye. The liquid containing the overflowed dye was filtered, analyzed in spectrophotometer T (620nm). The ranking of the irritating potential of the products, by decreasing order was as follows: Furacin (severe) Lipiodol UF and Hexabrix 320 (moderate), Physiological Serum (nonsignificant). Based on these results, both contrasts can be recommended, their choice depending on each particular clinical case. It is not recommended to inject Lipiodol UF or Hexabrix 320 in the connective because of their very slow reabsorption. |
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AbstractList | As alterações vasculares do tecido conjuntivo subcutâneo de ratos, induzidas por substâncias de contraste radiográfico iodadas,, foram comparadas com as induzidas por soro fisiológico (controlo negativo) e Furacin (controlo positivo), durante a fase exsudativa do processo inflamatório. Com esse propósito, injectaram-se, intravenosamente, na veia dorsal do pénis de ratos, 20mg/kg de peso corporal de azul de Evans e em seguida inocularam- se no tecido subcutâneo 0,1ml de cada substância a ser analisada. Após intervalo de 3 horas os animais foram sacrificados e suas peles excisadas e recortadas. As peças foram imersas imediatamente em 8ml de formamida e levadas ao banho-maria a 37°C, durante 72 horas, para remoção do corante. O líquido contendo o corante extravasado foi filtrado, analisado no espectrofotómetro (620nm). O potencial irritativo dos produtos, após análise estatística, se apresentou, em ordem decrescente da seguinte forma: Furacin (severo), Lipiodol UF e Hexabrix 320 (discreto)., Soro fisiológico (não significativo)…Baseados nas experiências realizadas, concluimos que os contrastes usados podem ser recomendados, dependendo das suas propriedades físicas a escolha para cada caso particular. Não é recomendável injectar Lipiodol UF ou Hexabrix 320 no tecido conjuntivo pelo facto de terem uma reabsorção muito lenta.
The vascular changes induced in the subcutaneous connective tissue of rats, by iodinated substances for radiographic contrast, were compared with physiological serum (negative control) and Furacin (positive control), during the exudative phase of the inflammatory process. Twenty mg/kg of Evan's blue were injected intravenously in the dorsal vein of the rat penis, after which 0,1ml of each substance tested were inoculated sbcutaneously. Three hours later the animals were sacrificed and their skins were excised, cut and punched out. The pieces were immediately immersed in 8ml of formamide and taken to a double boiler for 72 hours at 37°C, to remove the dye. The liquid containing the overflowed dye was filtered, analyzed in spectrophotometer T (620nm). The ranking of the irritating potential of the products, by decreasing order was as follows: Furacin (severe) Lipiodol UF and Hexabrix 320 (moderate), Physiological Serum (nonsignificant). Based on these results, both contrasts can be recommended, their choice depending on each particular clinical case. It is not recommended to inject Lipiodol UF or Hexabrix 320 in the connective because of their very slow reabsorption. |
Author | Silveira Francisconi, Paulo Afonso Cardoso Diláscio, Mauro Lúcio Filho, Halim Nagem Nagem, Haline Drumond Coutinho, Kennedy Queiroz |
Author_xml | – sequence: 1 givenname: Halim Nagem surname: Filho fullname: Filho, Halim Nagem organization: Prof. Titular de Materiais Dentários da FOB-USP – sequence: 2 givenname: Haline Drumond surname: Nagem fullname: Nagem, Haline Drumond organization: Doutora em Materiais Dentários da FOB-USP – sequence: 3 givenname: Kennedy Queiroz surname: Coutinho fullname: Coutinho, Kennedy Queiroz organization: Prof. de Dentística – Faculdade de Odontologia São Lucas – sequence: 4 givenname: Paulo Afonso surname: Silveira Francisconi fullname: Silveira Francisconi, Paulo Afonso organization: Prof. Dr. de Materiais Dentários – FOB-USP – sequence: 5 givenname: Mauro Lúcio surname: Cardoso Diláscio fullname: Cardoso Diláscio, Mauro Lúcio organization: Prof. Mestre em dentística pela UFMG |
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Cites_doi | 10.1590/S0103-06631997000200011 10.1016/S0009-9260(05)80899-2 10.1177/028418516900800603 10.1590/S1517-74912003000200002 10.1016/S1079-2104(99)70096-X 10.1016/0030-4220(84)90190-7 10.1067/moe.2001.117300 |
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Keywords | Biocompatibility Contraste radiográfico Biocompatibilidade Sialografia Sialography Radiographic contrasts |
Language | Portuguese |
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References | Shipley, Dodd (bib13) 1947; 84 Nicholson (bib5) 1990; 42 Kalk, Vissink, Spijkervet, Moller, Roodenburg (bib2) 2001; 92 Zerlotti Filho (bib14) 1959; 13 Pinto (bib15) 1976; 10 Dodd (bib12) 1946; 86 Stiller, Golder, Döring, Kliem (bib9) 1999; 88 Tukey (bib8) 1959 Suzuki, Kawashima (bib10) 1969; 8 Di Hipólito Junior (bib1) 1997; 11 Nagem-Filho (bib6) 2003; 17 Nagem Filho, Pereira (bib7) 1976; 10 Verhoeven (bib11) 1984; 57 Ruiz JG. Glándulas Salivares Técnicas de Imagen. Disponível em Acesso em 2005. 11. Idir (bib4) 1985; 66 Shipley (10.1016/S1646-2890(07)70066-3_bib13) 1947; 84 Verhoeven (10.1016/S1646-2890(07)70066-3_bib11) 1984; 57 Nagem Filho (10.1016/S1646-2890(07)70066-3_bib7) 1976; 10 Nagem-Filho (10.1016/S1646-2890(07)70066-3_bib6) 2003; 17 Pinto (10.1016/S1646-2890(07)70066-3_bib15) 1976; 10 10.1016/S1646-2890(07)70066-3_bib3 Suzuki (10.1016/S1646-2890(07)70066-3_bib10) 1969; 8 Kalk (10.1016/S1646-2890(07)70066-3_bib2) 2001; 92 Tukey (10.1016/S1646-2890(07)70066-3_bib8) 1959 Dodd (10.1016/S1646-2890(07)70066-3_bib12) 1946; 86 Zerlotti Filho (10.1016/S1646-2890(07)70066-3_bib14) 1959; 13 Idir (10.1016/S1646-2890(07)70066-3_bib4) 1985; 66 Stiller (10.1016/S1646-2890(07)70066-3_bib9) 1999; 88 Di Hipólito Junior (10.1016/S1646-2890(07)70066-3_bib1) 1997; 11 Nicholson (10.1016/S1646-2890(07)70066-3_bib5) 1990; 42 |
References_xml | – volume: 11 start-page: 139 year: 1997 end-page: 145 ident: bib1 article-title: Sialografia de parótidas clinicamente normais classificação anatômica e correlação com a função glandular publication-title: Rev Odontol Univ São Paulo contributor: fullname: Di Hipólito Junior – volume: 86 start-page: 311 year: 1946 end-page: 323 ident: bib12 article-title: The chemotherapeutic properties of 5-nitro-2-furaldehyde semicarbazone (furacin) publication-title: J Pharmacol Exp Ther contributor: fullname: Dodd – volume: 66 start-page: 463 year: 1985 end-page: 467 ident: bib4 article-title: Comparative study of Hexabrix and Lipiodol UF in sialography publication-title: J Radiol contributor: fullname: Idir – volume: 10 start-page: 1 year: 1976 end-page: 6 ident: bib7 article-title: Evaluation of the irritative potential of some intracanal medicaments in the exudative phase of inflammatory process publication-title: Estomat. & Cult contributor: fullname: Pereira – volume: 42 start-page: 423 year: 1990 end-page: 426 ident: bib5 article-title: Contrast media in sialography: a comparison of Lipiodol Ultra Fluid and Urografin 290 publication-title: Clin Radiol contributor: fullname: Nicholson – volume: 57 start-page: 323 year: 1984 end-page: 337 ident: bib11 article-title: Choice of contrast medium in sialography publication-title: Oral Surg Oral Med Oral Pathol contributor: fullname: Verhoeven – volume: 13 start-page: 275 year: 1959 end-page: 277 ident: bib14 article-title: Estudos in vitro das propriedades das pastas e cimentos obturadores dos condutos radiculares publication-title: Rev Assoc Paul Cirurg Dent contributor: fullname: Zerlotti Filho – volume: 17 start-page: 109 year: 2003 end-page: 112 ident: bib6 article-title: Effect of dental adhesives on the exudative phase of the inflammatory process in subcutaneous tissue of rats publication-title: Pesqui. 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Gynecol. Obstet contributor: fullname: Shipley – volume: 17 start-page: 109 year: 2003 ident: 10.1016/S1646-2890(07)70066-3_bib6 article-title: Effect of dental adhesives on the exudative phase of the inflammatory process in subcutaneous tissue of rats publication-title: Pesqui. Odontol. 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SubjectTerms | Biocompatibilidade Biocompatibility Contraste radiográfico Radiographic contrasts Sialografia Sialography |
Title | Potencial Irritativo do Lipiodoluf e Hexabrix 320 utilizados em Sialografia |
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