Effect of glyceryl trinitrate and clevidipine administration on CT angiogram findings in dogs undergoing prostatic artery embolization for prostatic carcinoma.
<h4>Objectives</h4>The primary aim of this study was to evaluate the effects of vasodilator administration on CT angiography (CTA) prostatic artery diameter and peak opacification in dogs with prostatic carcinoma prior to prostatic artery embolization (PAE).<h4>Materials and method...
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2024-01-01
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| Online Access: | https://doi.org/10.1371/journal.pone.0316080 |
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| author | Maureen A Griffin William T N Culp Amandeep S Chohan Eric G Johnson Michelle A Giuffrida Carrie A Palm Robert B Rebhun Michael S Kent |
| author_facet | Maureen A Griffin William T N Culp Amandeep S Chohan Eric G Johnson Michelle A Giuffrida Carrie A Palm Robert B Rebhun Michael S Kent |
| author_sort | Maureen A Griffin |
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| description | <h4>Objectives</h4>The primary aim of this study was to evaluate the effects of vasodilator administration on CT angiography (CTA) prostatic artery diameter and peak opacification in dogs with prostatic carcinoma prior to prostatic artery embolization (PAE).<h4>Materials and methods</h4>A prospective clinical trial was performed. Ten dogs with naturally occurring prostatic carcinoma and no evidence of cardiovascular disease were enrolled. Each dog underwent multiphase CTA of the prostate before and after IV vasodilator (glyceryl trinitrate [GTN] or clevidipine butyrate [clevidipine]) administration, and cardiovascular parameters were monitored. PAE was performed the following day. Prostatic arterial anatomy was characterized by CTA. Prostatic artery lumen diameter and peak opacification were measured on pre- and post-vasodilator CTA by a blinded radiologist. The percent change of these measurements was calculated and assessed for significance.<h4>Results</h4>Glyceryl trinitrate and clevidipine were administered in 5 dogs each with subsequent blood pressure reduction documented in all dogs. No significant difference was detected in prostatic artery diameter or peak opacification between pre- vs. post-vasodilator CTA. Good agreement in prostatic arterial branch number, origin, and course was documented between pre- and post-vasodilator CTA images.<h4>Clinical significance</h4>Study findings do not support the routine use of vasodilator administration during pre-PAE CTA in dogs, though larger sample sizes and protocol alterations may be needed to detect a clinically relevant utility. |
| format | Article |
| id | doaj-art-4a5f70aedfca420cb759f575ce8f02be |
| institution | Kabale University |
| issn | 1932-6203 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | Public Library of Science (PLoS) |
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| series | PLoS ONE |
| spelling | doaj-art-4a5f70aedfca420cb759f575ce8f02be2025-08-20T03:51:30ZengPublic Library of Science (PLoS)PLoS ONE1932-62032024-01-011912e031608010.1371/journal.pone.0316080Effect of glyceryl trinitrate and clevidipine administration on CT angiogram findings in dogs undergoing prostatic artery embolization for prostatic carcinoma.Maureen A GriffinWilliam T N CulpAmandeep S ChohanEric G JohnsonMichelle A GiuffridaCarrie A PalmRobert B RebhunMichael S Kent<h4>Objectives</h4>The primary aim of this study was to evaluate the effects of vasodilator administration on CT angiography (CTA) prostatic artery diameter and peak opacification in dogs with prostatic carcinoma prior to prostatic artery embolization (PAE).<h4>Materials and methods</h4>A prospective clinical trial was performed. Ten dogs with naturally occurring prostatic carcinoma and no evidence of cardiovascular disease were enrolled. Each dog underwent multiphase CTA of the prostate before and after IV vasodilator (glyceryl trinitrate [GTN] or clevidipine butyrate [clevidipine]) administration, and cardiovascular parameters were monitored. PAE was performed the following day. Prostatic arterial anatomy was characterized by CTA. Prostatic artery lumen diameter and peak opacification were measured on pre- and post-vasodilator CTA by a blinded radiologist. The percent change of these measurements was calculated and assessed for significance.<h4>Results</h4>Glyceryl trinitrate and clevidipine were administered in 5 dogs each with subsequent blood pressure reduction documented in all dogs. No significant difference was detected in prostatic artery diameter or peak opacification between pre- vs. post-vasodilator CTA. Good agreement in prostatic arterial branch number, origin, and course was documented between pre- and post-vasodilator CTA images.<h4>Clinical significance</h4>Study findings do not support the routine use of vasodilator administration during pre-PAE CTA in dogs, though larger sample sizes and protocol alterations may be needed to detect a clinically relevant utility.https://doi.org/10.1371/journal.pone.0316080 |
| spellingShingle | Maureen A Griffin William T N Culp Amandeep S Chohan Eric G Johnson Michelle A Giuffrida Carrie A Palm Robert B Rebhun Michael S Kent Effect of glyceryl trinitrate and clevidipine administration on CT angiogram findings in dogs undergoing prostatic artery embolization for prostatic carcinoma. PLoS ONE |
| title | Effect of glyceryl trinitrate and clevidipine administration on CT angiogram findings in dogs undergoing prostatic artery embolization for prostatic carcinoma. |
| title_full | Effect of glyceryl trinitrate and clevidipine administration on CT angiogram findings in dogs undergoing prostatic artery embolization for prostatic carcinoma. |
| title_fullStr | Effect of glyceryl trinitrate and clevidipine administration on CT angiogram findings in dogs undergoing prostatic artery embolization for prostatic carcinoma. |
| title_full_unstemmed | Effect of glyceryl trinitrate and clevidipine administration on CT angiogram findings in dogs undergoing prostatic artery embolization for prostatic carcinoma. |
| title_short | Effect of glyceryl trinitrate and clevidipine administration on CT angiogram findings in dogs undergoing prostatic artery embolization for prostatic carcinoma. |
| title_sort | effect of glyceryl trinitrate and clevidipine administration on ct angiogram findings in dogs undergoing prostatic artery embolization for prostatic carcinoma |
| url | https://doi.org/10.1371/journal.pone.0316080 |
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