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Benedict T, Kuo S, Adams NAJ, Ach T, Michaels R, Zachwieja AJ. A thyroidea ima artery variation providing collateral circulation to the mediastinum. Surg Radiol Anat 2024; 46:507-512. [PMID: 38329523 DOI: 10.1007/s00276-024-03306-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 01/14/2024] [Indexed: 02/09/2024]
Abstract
The thyroidea ima artery (TIA) is a highly variable arterial deviation of the blood supply to the thyroid gland with critical implications for surgical neck procedures such as tracheostomy. Though relatively common in the population at large (~ 4%), most TIA variations are related to the origin of the artery and whether it emerges from the common sites of the brachiocephalic trunk, aortic arch, and right common carotid artery, or another more unique vessel-as opposed to its dispersion pattern. TIA variants generally supply the thyroid gland, occasionally co-occurring with absent thyroid arteries. Here, we report on a unique case of a four-pronged variation of the TIA discovered during an anatomy laboratory dissection of first-year medical students. This variant originated from the brachiocephalic trunk and had three branches terminating in the thyroid gland and a fourth branch traveling into the thorax to provide accessory circulation in the mediastinum. Specifically, small arterial branches from the inferior TIA branch supplied the anterior pericardium and surrounding adipose tissue, in addition to normal pericardiacophrenic circulation. We discuss the potential embryological and clinical relevance of this unique variation and voice further support for imaging as a requirement before surgical neck procedures to prevent catastrophic bleeding in the event of a TIA variant.
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Affiliation(s)
- Taylor Benedict
- Department of Biomedical Sciences, University of Minnesota Medical School Duluth Campus, 205 Smed 1035 University Dr, Duluth, MN, 55801, USA
| | - Sharon Kuo
- Department of Biomedical Sciences, University of Minnesota Medical School Duluth Campus, 205 Smed 1035 University Dr, Duluth, MN, 55801, USA
- Technological Primates Research Group, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103, Leipzig, Germany
| | - Natasha A J Adams
- Department of Biomedical Sciences, University of Minnesota Medical School Duluth Campus, 205 Smed 1035 University Dr, Duluth, MN, 55801, USA
| | - Therese Ach
- Department of Biomedical Sciences, University of Minnesota Medical School Duluth Campus, 205 Smed 1035 University Dr, Duluth, MN, 55801, USA
| | - Robin Michaels
- Department of Biomedical Sciences, University of Minnesota Medical School Duluth Campus, 205 Smed 1035 University Dr, Duluth, MN, 55801, USA
| | - Alexandra J Zachwieja
- Department of Biomedical Sciences, University of Minnesota Medical School Duluth Campus, 205 Smed 1035 University Dr, Duluth, MN, 55801, USA.
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Zachwieja AJ, Benedict T, Ach T, Michaels R. Clinical and embryological relevance of a unique thyroidea ima artery variation providing collateral circulation to the mediastinum. FASEB J 2022. [DOI: 10.1096/fasebj.2022.36.s1.r2576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | | | - Therese Ach
- Department of Biomedical SciencesUniversity of Minnesota Medical School DuluthDuluthMN
| | - Robin Michaels
- Department of Biomedical SciencesUniversity of Minnesota Medical School DuluthDuluthMN
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Yarlagadda K, Zachwieja AJ, de Flamingh A, Phungviwatnikul T, Rivera-Colón AG, Roseman C, Shackelford L, Swanson KS, Malhi RS. Geographically diverse canid sampling provides novel insights into pre-industrial microbiomes. Proc Biol Sci 2022; 289:20220052. [PMID: 35506233 PMCID: PMC9065982 DOI: 10.1098/rspb.2022.0052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Canine microbiome studies are often limited in the geographic and temporal scope of samples studied. This results in a paucity of data on the canine microbiome around the world, especially in contexts where dogs may not be pets or human associated. Here, we present the shotgun sequences of fecal microbiomes of pet dogs from South Africa, shelter and stray dogs from India, and stray village dogs in Laos. We additionally performed a dietary experiment with dogs housed in a veterinary medical school, attempting to replicate the diet of the sampled dogs from Laos. We analyse the taxonomic diversity in these populations and identify the underlying functional redundancy of these microbiomes. Our results show that diet alone is not sufficient to recapitulate the higher diversity seen in the microbiome of dogs from Laos. Comparisons to previous studies and ancient dog fecal microbiomes highlight the need for greater population diversity in studies of canine microbiomes, as modern analogues can provide better comparisons to ancient microbiomes. We identify trends in microbial diversity and industrialization in dogs that mirror results of human studies, suggesting future research can make use of these companion animals as substitutes for humans in studying the effects of industrialization on the microbiome.
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Affiliation(s)
- K Yarlagadda
- Department of Anthropology, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - A J Zachwieja
- Department of Biomedical Sciences, University of Minnesota Medical School Duluth, Duluth, Minnesota, USA
| | - A de Flamingh
- Carl R. Woese Institute for Genomic Biology, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - T Phungviwatnikul
- Department of Animal Sciences, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - A G Rivera-Colón
- Department of Evolution, Ecology, and Behavior, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - C Roseman
- School of Integrative Biology, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - L Shackelford
- Department of Anthropology, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - K S Swanson
- Department of Animal Sciences, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - R S Malhi
- Department of Anthropology, University of Illinois Urbana-Champaign, Urbana, IL, USA.,Carl R. Woese Institute for Genomic Biology, University of Illinois Urbana-Champaign, Urbana, IL, USA.,Department of Evolution, Ecology, and Behavior, University of Illinois Urbana-Champaign, Urbana, IL, USA.,School of Integrative Biology, University of Illinois Urbana-Champaign, Urbana, IL, USA
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Zachwieja AJ, Bacon AM, Nguyen TMH, Nguyen AT, Sichanthongtip P, Sayavongkhamdy T, Demeter F, Shackelford LL. Choice of Hunting Method Influenced Human‐Carnivore Competition in Late Pleistocene Southeast Asia. FASEB J 2020. [DOI: 10.1096/fasebj.2020.34.s1.01875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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