Kısraklarda yavru zarlarının atılamamasının sebepleri ve tedavisi

Yavru zarlarının atılamaması, kısrakların doğum sonrası problemlerinden biri olarak kabul edilir. Doğum sonrası üç saat içinde zarların tümü atılamamış ise, yavru zarlarının atılamaması olarak tanımlanmaktadır. Kısraklarda yavru zarlarının atılamama oranı %2-15 arasında değişmektedir. Yavru zarlarının atılamaması, doğum sonrası düşük oksitosin ve kalsiyum seviyesi, uterus durgunluğu, yavru zarlarının yangısı, histolojik bozukluklar ve güç doğum ile ilişkilidir. Yavru zarlarının atılamaması ile ilişkili komplikasyonlar; akut metritis, endometritis, fertilitide azalma, endotoksemi, septisemi, laminitis ve hatta ölüm olabilmektedir. Koruyucu tedavi (antibiyotik, nonsteroid antiinflamatuar ilaçlar, sıvı gibi), oksitosin tedavisi, korioallontoik boşluğa sıvı verilmesi, göbek kordonu arterleri yoluyla kollegenaz verilmesi ve zarların elle uzaklaştırılması şeklinde farklı tedavi seçenekleri bulunmaktadır. Bu derlemede, son literatürler ışığında kısraklarda yavru zarlarının atılamamasının sebepleri ve tedavisi değerlendirildi.

The causes and therapy of retained placenta in mares

Retained placenta is considered to be a problem in postpartum mares. Retained placenta was defined as a failure to expel all fetal membranes within 3 h of the delivery of the foal. The incidence of retained placenta in mares varies from 2% to 15% of foaling. Retained placenta was associated with lower postpartum oxytocin and calcium concentration, uterine inertia, placentitis, histological abnormalities, and dystocia. Complications of retained placenta include acute metritis, endometritis, reduction in fertility, endotoxemia, septicaemia, laminitis, and even death. Treatment options vary from conservative therapy (antibiotic, nonsteroid antiinflamatuar durugs, fluid etc), oxytocin therapy, infusion of fluids into the chorioallantoic space, injection of collagenases into the umbilical arteries, and manual removal of placenta. In this review, causes and treatment of retained placenta in mares were evaluated in the light of recent literature.

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