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Funisitis associated with leptospiral infection in a horse
Funisitis, inflammation of the umbilical cord, is well recognized in human placentas and not very common in horses. And Leptospira infections in horses are well-known to be involved in chronic eye infections. A very informative case report of a funisitis associated with leptospiral infection in the placenta of a Thoroughbred foal born prematurely.

The umbilical cord had diffuse superficial yellow discoloration along its entire length.

Microscopic evaluation showed an exudate of neutrophils admixed with fibrin on the surface. Warthin–Starry staining showed spirochetes in the Wharton`s jelly of the umbilical cord.

A locally extensive, severe placentitis not involving the star and allantoic cystic hyperplasia were the other lesions observed in the allantochorion.

Leptospira funisitis is similar to the funisitis of congenital syphilis in humans, although there are some major microscopic differences.

In Leptospira funisitis, lesions were limited to the cord surface, whereas in lesions in human umbilical cords with Treponema pallidum infection, the changes are observed mostly around the vessels and in the Wharton`s jelly.


Source: M. Sebastian, R. Giles, J. Roberts, K. Poonacha, L. Harrison, J. Donahue and K. Benirschke (2005): Funisitis Associated with Leptospiral Abortion in an Equine Placenta. In: Vet Pathol 42:659-662 (2005)



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EQUINE

Two regimens of lidocaine infusion in horses undergoing laparotomy for colicmembers
Various lidocaine protocols are described for horses undergoing Colic surgery. This interesting prospective, randomized clinical study compares the effects of administering or not administering a loading intravenous (IV) bolus of lidocaine prior to its constant rate infusion (CRI). Effects investigated during isoflurane anaesthesia were end-tidal isoflurane concentration (Fe′ISO), cardiovascular function, anaesthetic stability and the quality of recovery.
Thirty-six client-owned horses were enrolled.

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