Laboratory of Veterinary Surgery, School of Veterinary Science, Osaka Metropolitan University, Osaka, Japan.
Kinki Animal Medical Training Institute & Veterinary Clinic, Osaka, Japan.
Anat Histol Embryol. 2023 Sep;52(5):815-820. doi: 10.1111/ahe.12931. Epub 2023 May 12.
Clinical signs of extrahepatic portosystemic shunts (EHPSS) depend on the amount of blood shunted. In this study, dogs with EHPSS without noticeable clinical signs including 34 left gastro-phrenic, 3 left gastro-azygos and 2 left spleno-gonadal shunts were evaluated. In dogs with EHPSS without noticeable clinical signs, the median maximum diameter of the shunt vessel was significantly smaller compared to PV (p < 0.005). Whenever the diameter of the EHPSS is small in relation to the diameter of the PV, it seems likely that no obvious clinical signs of EHPSS are observed by the owners.
肝外门体分流（EHPSS）的临床症状取决于分流的血量。在这项研究中，评估了 34 例无明显临床症状的 EHPSS 犬，包括 3 例左胃-膈、3 例左胃-奇静脉和 2 例左脾-性腺分流。在无明显临床症状的 EHPSS 犬中，分流血管的最大直径中位数明显小于门静脉（p<0.005）。只要 EHPSS 的直径相对于 PV 的直径较小，主人似乎就不太可能观察到明显的 EHPSS 临床症状。
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