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Characterization of the electrocardiogram of microminipig in comparison with that of Clawn miniature swine: impacts of miniaturization of body size on electrocardiographic indices
Effects of body size reduction on electrocardiographic indices were examined using microminipigs in comparison with Clawn miniature swine (Clawn). Electrocardiogram was recorded using Holter electrocardiograph in conscious state for 24 hr for microminipigs (male: 11.6 ± 0.1 kg, 12–17 months, n=5; an...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
The Japanese Society of Veterinary Science
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10466054/ https://www.ncbi.nlm.nih.gov/pubmed/37302820 http://dx.doi.org/10.1292/jvms.23-0049 |
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author | GOTO, Ai KAMBAYASHI, Ryuichi SAITO, Hiroyuki AKIE, Yasuki IZUMI-NAKASEKO, Hiroko TAKEI, Yoshinori SUGIYAMA, Atsushi |
author_facet | GOTO, Ai KAMBAYASHI, Ryuichi SAITO, Hiroyuki AKIE, Yasuki IZUMI-NAKASEKO, Hiroko TAKEI, Yoshinori SUGIYAMA, Atsushi |
author_sort | GOTO, Ai |
collection | PubMed |
description | Effects of body size reduction on electrocardiographic indices were examined using microminipigs in comparison with Clawn miniature swine (Clawn). Electrocardiogram was recorded using Holter electrocardiograph in conscious state for 24 hr for microminipigs (male: 11.6 ± 0.1 kg, 12–17 months, n=5; and female: 9.9 ± 0.4 kg, 6 months, n=5) and Clawn (female: 20.3 ± 0.4 kg, 8–9 months, n=8). Microminipig had shorter PR interval and QRS width than Clawn, whereas no significant difference was detected in JTcF/QTcF between them. Ratios of PR interval, QRS width, and body weight cubic root for microminipigs to Clawn ranged between 0.713 and 0.830. These findings indicate that PR interval and QRS width will depend on distance for excitatory current propagation, whereas JTcF/QTcF may be governed by local electrical activities. |
format | Online Article Text |
id | pubmed-10466054 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | The Japanese Society of Veterinary Science |
record_format | MEDLINE/PubMed |
spelling | pubmed-104660542023-08-31 Characterization of the electrocardiogram of microminipig in comparison with that of Clawn miniature swine: impacts of miniaturization of body size on electrocardiographic indices GOTO, Ai KAMBAYASHI, Ryuichi SAITO, Hiroyuki AKIE, Yasuki IZUMI-NAKASEKO, Hiroko TAKEI, Yoshinori SUGIYAMA, Atsushi J Vet Med Sci Physiology Effects of body size reduction on electrocardiographic indices were examined using microminipigs in comparison with Clawn miniature swine (Clawn). Electrocardiogram was recorded using Holter electrocardiograph in conscious state for 24 hr for microminipigs (male: 11.6 ± 0.1 kg, 12–17 months, n=5; and female: 9.9 ± 0.4 kg, 6 months, n=5) and Clawn (female: 20.3 ± 0.4 kg, 8–9 months, n=8). Microminipig had shorter PR interval and QRS width than Clawn, whereas no significant difference was detected in JTcF/QTcF between them. Ratios of PR interval, QRS width, and body weight cubic root for microminipigs to Clawn ranged between 0.713 and 0.830. These findings indicate that PR interval and QRS width will depend on distance for excitatory current propagation, whereas JTcF/QTcF may be governed by local electrical activities. The Japanese Society of Veterinary Science 2023-06-09 2023-08 /pmc/articles/PMC10466054/ /pubmed/37302820 http://dx.doi.org/10.1292/jvms.23-0049 Text en ©2023 The Japanese Society of Veterinary Science https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives (by-nc-nd) License. (CC-BY-NC-ND 4.0: https://creativecommons.org/licenses/by-nc-nd/4.0/) |
spellingShingle | Physiology GOTO, Ai KAMBAYASHI, Ryuichi SAITO, Hiroyuki AKIE, Yasuki IZUMI-NAKASEKO, Hiroko TAKEI, Yoshinori SUGIYAMA, Atsushi Characterization of the electrocardiogram of microminipig in comparison with that of Clawn miniature swine: impacts of miniaturization of body size on electrocardiographic indices |
title | Characterization of the electrocardiogram of microminipig in
comparison with that of Clawn miniature swine: impacts of miniaturization of body size on
electrocardiographic indices |
title_full | Characterization of the electrocardiogram of microminipig in
comparison with that of Clawn miniature swine: impacts of miniaturization of body size on
electrocardiographic indices |
title_fullStr | Characterization of the electrocardiogram of microminipig in
comparison with that of Clawn miniature swine: impacts of miniaturization of body size on
electrocardiographic indices |
title_full_unstemmed | Characterization of the electrocardiogram of microminipig in
comparison with that of Clawn miniature swine: impacts of miniaturization of body size on
electrocardiographic indices |
title_short | Characterization of the electrocardiogram of microminipig in
comparison with that of Clawn miniature swine: impacts of miniaturization of body size on
electrocardiographic indices |
title_sort | characterization of the electrocardiogram of microminipig in
comparison with that of clawn miniature swine: impacts of miniaturization of body size on
electrocardiographic indices |
topic | Physiology |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10466054/ https://www.ncbi.nlm.nih.gov/pubmed/37302820 http://dx.doi.org/10.1292/jvms.23-0049 |
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