Dong-Jiao An, Zu-Fei Li, Xiao-Chang Zhao, Jin-Feng Liu
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Anatomical variation of the posterior septal artery leads to refractory epistaxis.
Purpose: To report a rare variant of the posterior septal artery (PSA), which supplies blood to the posterior mucosa of the contralateral nasal septum.
Case report: A 31-year-old female patient underwent suture removal 14 days after septoplasty and developed left-sided epistaxis 6 h after suture removal. To safely and effectively relieve the patient from epistaxis, the cauterization of the left PSA was performed under general anesthesia. However, 24 h after the first surgical hemostasis, the patient experienced epistaxis again in the right nasal cavity. We have reviewed the patient's sinus computed tomography again and found a rare variant of PSA, which is the right-sided PSA passing through a bony canal in the left-sided nasal septum.
Discussion: The variant of PSA well explained the failure of the first hemostatic surgery. Therefore, we again performed a cauterization of the right-sided PSA, after which the patient recovered and no further epistaxis occurred.
Conclusion: When cauterization of PSA is used to manage posterior epistaxis, it is necessary to pay attention to the possible variation in PSA.
期刊介绍：
Marine and Freshwater Research is an international and interdisciplinary journal publishing contributions on all aquatic environments. The journal’s content addresses broad conceptual questions and investigations about the ecology and management of aquatic environments. Environments range from groundwaters, wetlands and streams to estuaries, rocky shores, reefs and the open ocean. Subject areas include, but are not limited to: aquatic ecosystem processes, such as nutrient cycling; biology; ecology; biogeochemistry; biogeography and phylogeography; hydrology; limnology; oceanography; toxicology; conservation and management; and ecosystem services. Contributions that are interdisciplinary and of wide interest and consider the social-ecological and institutional issues associated with managing marine and freshwater ecosystems are welcomed.
Marine and Freshwater Research is a valuable resource for researchers in industry and academia, resource managers, environmental consultants, students and amateurs who are interested in any aspect of the aquatic sciences.
Marine and Freshwater Research is published with the endorsement of the Commonwealth Scientific and Industrial Research Organisation (CSIRO) and the Australian Academy of Science.
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