MESEN­TERIC TEAR RE­PAIR

EQUUS - - Eq Medical Front -

New research shows that the out­look is ex­cel­lent for brood­mares who un­dergo surgery to re­pair in­testi­nal dam­age re­sult­ing from a cra­nial0 mesen­teric rent—a tear in the mem­brane that en­velops the in­testines and an­chors them to the ab­dom­i­nal wall.

Mesen­teric rents have many causes, in­clud­ing trauma or con­gen­i­tal mal­for­ma­tions. In brood­mares, they may be caused by foal move­ment dur­ing de­liv­ery. If a por­tion of in­tes­tine slips through a mesen­teric rent, surgery may be needed to re­pair in­testi­nal dam­age and close the tear.

In a ret­ro­spec­tive study of 38 brood­mares who un­der­went this type of surgery, re­searchers at Hag­yard Equine Med­i­cal In­sti­tute in Lex­ing­ton, Ken­tucky, found that 88 per­cent sur­vived to be dis­charged from the clinic.

Among the horses dis­charged, 97 per­cent were still alive at a one-year

fol­low-up check. All of the longterm sur­vivors re­turned to use as brood­mares.

In ad­di­tion, clo­sure of the rent de­creased the odds of re­peat colic after dis­charge, but it had no ef­fect on sur­vival rates. “Based on our data,” the re­searchers con­clude, “clo­sure of rents is rec­om­mended to pre­vent re­cur­rence of colic but may be un­nec­es­sary for sur­vival.”

Ref­er­ence: “Duo­de­no­je­ju­nal mesen­teric rents: Sur­vival and com­pli­ca­tions after sur­gi­cal cor­rec­tion in 38 brood­mares (2006-2014),” Vet­eri­nary Surgery, Fe­bru­ary 2017

SMALL IN­TES­TINE MESENTERY DI­GES­TIVE SYS­TEM

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