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Home / Equine Research Bank / Can Vet J / Successful management of hydrallantois in a Standardbred mar...
The Canadian veterinary journal = La revue veterinaire canadienne2019; 60(5); 495-501;

Successful management of hydrallantois in a Standardbred mare at term resulting in the birth of a live foal.

Abstract: A 6-year-old Standardbred mare was presented at 339 days of gestation for investigation of abnormal abdominal distension and ventral edema. Transrectal palpation and ultrasound examination revealed the uterus to be enlarged with an excessive volume of fetal fluid, characteristic of hydrops. Gradual transcervical drainage of 55 L of allantoic fluid over 45 minutes, with concurrent intravenous fluid therapy followed by assisted vaginal delivery, resulted in the birth of a live foal with long-term survival. The birth and long-term survival of a foal from a mare with hydrallantois at term has not been previously reported in horses. However, this report demonstrates that successful outcome for both mare and foal may be achieved in a mare at term with hydrallantois. . Une jument Standardbred âgée de 6 ans a été présentée à 339 jours de gestation pour investiguer une distension abdominale anormale et un oedème ventral. La palpation transrectale et l’échographie ont révélé que l’utérus était enflé en raison d’un volume excessif de liquide foetal, ce qui est caractéristique de l’hydrops fetalis. Un drainage transcervical graduel de 55 L de liquide allantoïdien pendant plus de 45 minutes et une fluidothérapie par intraveineuse suivis d’une mise bas vaginale assistée ont donné lieu à la naissance d’un poulain vivant avec survie à long terme. La naissance et la survie à long terme d’un poulain provenant d’une jument atteinte de l’hydrallantois à terme n’avaient pas été précédemment signalées chez les chevaux. Cependant, des résultats fructueux pour la jument et le poulain peuvent être obtenus chez une jument atteinte d’hydrallantois à terme.(Traduit par Isabelle Vallières).
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Publication Date: 2019-05-14 PubMed ID: 31080262PubMed Central: PMC6463767
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Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

The research article explores a successful case of managing hydrallantois in a pregnant horse that resulted in a live birth. Hydrallantois, an unusual excessive fluid accumulation in the horse’s uterus, had not previously been associated with successful births in horses.

Presentation of the Case

  • A 6-year-old standardbred mare was brought in for examination after it exhibited abnormal abdominal distension and ventral edema — signs of potential complications with her pregnancy at 339 days.
  • Through transrectal palpation and ultrasound, the mare was diagnosed with hydrops. This condition often implies an extreme volume of fetal fluid in the uterus, leading to the noted physical changes.

Medical Intervention

  • The mare underwent a gradual transcervical drainage procedure where 55 liters of allantoic fluid was removed over a span of 45 minutes.
  • During the procedure, the mare was given intravenous fluid therapy to support hydration and electrolyte balance within the body.
  • After the successful drainage of excess fluid, the mare was assisted in vaginal delivery, producing a live foal.

Outcomes and Implications

  • In this rare case, both the mare and the foal survived the procedure, and the foal showed signs of long-term health. Before this case report, the survival of a foal born from a mare experiencing hydrallantois at term had not been documented.
  • This case indicates that with proper and timely intervention during pregnancy, horses experiencing hydrallantois can successfully deliver and raise healthy offspring, changing the previously held perception about the condition’s prognosis.

Cite This Article

APA
Mitchell ARM, Delvescovo B, Tse M, Crouch EE, Cheong SH, Castillo JM, Felippe MJB, Ainsworth DM, de Amorim MD. (2019). Successful management of hydrallantois in a Standardbred mare at term resulting in the birth of a live foal. Can Vet J, 60(5), 495-501.

Publication

The Canadian veterinary journal = La revue veterinaire canadienne
ISSN: 0008-5286
NlmUniqueID: 0004653
Country: Canada
Language: English
Volume: 60
Issue: 5
Pages: 495-501

Researcher Affiliations

Mitchell, Anna R M
  • Department of Clinical Sciences (Mitchell, Delvescovo, Cheong, Castillo, Felippe, Ainsworth, Diel de Amorim) and Department of Biomedical Sciences (Tse, Crouch), College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, USA.
Delvescovo, Barbara
  • Department of Clinical Sciences (Mitchell, Delvescovo, Cheong, Castillo, Felippe, Ainsworth, Diel de Amorim) and Department of Biomedical Sciences (Tse, Crouch), College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, USA.
Tse, May
  • Department of Clinical Sciences (Mitchell, Delvescovo, Cheong, Castillo, Felippe, Ainsworth, Diel de Amorim) and Department of Biomedical Sciences (Tse, Crouch), College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, USA.
Crouch, Esther E
  • Department of Clinical Sciences (Mitchell, Delvescovo, Cheong, Castillo, Felippe, Ainsworth, Diel de Amorim) and Department of Biomedical Sciences (Tse, Crouch), College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, USA.
Cheong, Soon Hon
  • Department of Clinical Sciences (Mitchell, Delvescovo, Cheong, Castillo, Felippe, Ainsworth, Diel de Amorim) and Department of Biomedical Sciences (Tse, Crouch), College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, USA.
Castillo, Juan M
  • Department of Clinical Sciences (Mitchell, Delvescovo, Cheong, Castillo, Felippe, Ainsworth, Diel de Amorim) and Department of Biomedical Sciences (Tse, Crouch), College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, USA.
Felippe, M Julia B
  • Department of Clinical Sciences (Mitchell, Delvescovo, Cheong, Castillo, Felippe, Ainsworth, Diel de Amorim) and Department of Biomedical Sciences (Tse, Crouch), College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, USA.
Ainsworth, Dorothy M
  • Department of Clinical Sciences (Mitchell, Delvescovo, Cheong, Castillo, Felippe, Ainsworth, Diel de Amorim) and Department of Biomedical Sciences (Tse, Crouch), College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, USA.
de Amorim, Mariana Diel
  • Department of Clinical Sciences (Mitchell, Delvescovo, Cheong, Castillo, Felippe, Ainsworth, Diel de Amorim) and Department of Biomedical Sciences (Tse, Crouch), College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, USA.

MeSH Terms

  • Animals
  • Edema / veterinary
  • Female
  • Gastrointestinal Diseases / veterinary
  • Horse Diseases
  • Horses
  • Parturition
  • Pregnancy

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Citations

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