This report describes a patent ductus arteriosus (PDA) in four puppies from the same family of Chihuahuas, bred from the same mother and from two different litters. Identification of this congenital anomaly relies on clinical examination, radiography and ultrasonography. Three of these puppies were female, and had a type‐1 PDA. A conventional surgical ligation was performed on one of them, whilst the others underwent no treatment. One puppy was male, and presented with a type‐4 PDA, requiring euthanasia. Post‐mortem examination and histopathological examination of the PDA allowed characterisation of the histological anomalies, which were identical to those described in other breeds. The mother and the two stud dogs were not affected. Even though the mode of transmission has not been fully identified, it is evident that this PDA is hereditary in nature. To the authors’ knowledge this is the first description of this congenital cardiopathy in a family of this breed, and in a significant number of first‐generation individuals.

E. Bomassi

S. Libermann

C. Bille

E. Rattez

Journal of Small Animal Practice

JOURNAL OF SMALL ANIMAL PRACTICE (JSAP) 是一份月度同行评审出版物，整合了来自国际来源的临床研究论文和病例报告，涵盖与狗、猫和其他小动物相关的医学和外科手术的各个方面。这些论文促进了与临床兽医实践相关的新思想和新技术的传播和实施，最终目的是促进最佳实践。 JSAP 发布高质量的原创文章以及其他科学和教育信息。新的发展被置于视角，包括新的概念和同行评论。目标受众是主要从事小动物医学和外科实践的兽医。除原创文章外，JSAP 还将发表特邀社论（与同一期的手稿或当前感兴趣的主题有关）、评论文章，提供深入讨论重要的临床问题，以及来自世界各地的其他科学和教育信息。发表手稿的最终决定权在于编辑委员会，最终由编辑决定。所有论文，无论类型如何，均代表作者的意见，不一定代表编辑、协会或出版商的意见。《小动物实践杂志》代表英国小动物兽医协会出版，也是官方科学世界小动物兽医协会杂志

The Journal of Small Animal Practice (JSAP) is a monthly peer-reviewed publication that integrates clinical research papers and case reports from international sources, covering all aspects of medicine and surgery related to dogs, cats, and other small animals. These papers facilitate the dissemination and implementation of new ideas and techniques relevant to clinical veterinary practice, with the ultimate goal of promoting best practices. JSAP publishes high-quality original articles as well as other scientific and educational information. New developments are presented in context, including new concepts and peer reviews. The target audience primarily consists of veterinarians engaged in small animal medicine and surgical practice. In addition to original articles, JSAP also publishes invited editorials (related to manuscripts in the same issue or current topics of interest), review articles that provide in-depth discussions on important clinical issues, and other scientific and educational information from around the world. The final decision on the publication of manuscripts rests with the editorial board, and all papers, regardless of type, represent the opinions of the authors and do not necessarily reflect the views of the editors, the association, or the publisher. The Journal of Small Animal Practice is published by the British Small Animal Veterinary Association and serves as the official scientific journal of the association.

《Journal of Small Animal Practice》（JSAP）是一本月度同行评审的学术期刊，汇集了来自国际的临床研究论文和病例报告，涵盖与狗、猫及其他小动物相关的医学和外科手术的各个方面。这些论文旨在传播和实施与临床兽医实践相关的新思想和新技术，最终目标是促进最佳实践。JSAP发布高质量的原创文章及其他科学和教育信息，新的发展被置于特定的视角中，包括新的概念和同行评审。期刊的目标读者主要是从事小动物医学和外科实践的兽医。除了原创文章外，JSAP还会发表特邀社论（与同一期的手稿或当前感兴趣的主题相关）、评论文章，以深入讨论重要的临床问题，以及来自世界各地的其他科学和教育信息。所有手稿的发表最终决定权在于编辑委员会，所有论文，无论类型如何，均代表作者的观点，不一定代表编辑、协会或出版商的观点。《Journal of Small Animal Practice》由英国小动物兽医协会出版，也是官方的科学期刊。

Patent ductus arteriosus in a family of Chihuahuas

To the authors' knowledge this is the first description of this congenital cardiopathy in a family of Chihuahuas, and in a significant number of first-generation individuals.

Category	Quartile
农林科学	2
农林科学, 兽医学	2

Patent ductus arteriosus in a family of Chihuahuas

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Category	Quartile
VETERINARY SCIENCES	2