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Umbilical vein marsupialization is a viable surgical option for neonatal foals with omphalophlebitisNew surgical options for foals with umbilical vein infections

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Key Takeaway
Consider umbilical vein marsupialization as a viable option for foals with omphalophlebitis involving hepatic involvement.

This short literature review evaluates the surgical viability and feasibility of umbilical vein marsupialization as an intervention for neonatal foals suffering from omphalophlebitis. The scope focuses on cases where standard ligation or transection of the umbilical vein is not feasible, particularly when infection involves the liver.

The authors conclude that umbilical vein marsupialization is a viable surgical option in appropriately selected cases. However, they note that the prognosis for foals requiring this procedure—typically those with hepatic involvement—is less favorable than those undergoing simple omphalectomy. Despite this, some reports indicate favorable long-term survival following the procedure.

A primary limitation noted by the authors is the limited and heterogeneous nature of the existing literature. Clinical application should be guided by careful patient selection based on the extent of infection. The review suggests that while marsupialization provides a viable surgical path for complex cases, it remains a specialized option with varying outcomes depending on the severity of hepatic involvement.

How this fits prior evidence

This finding addresses a gap in veterinary surgical options for neonatal foals with omphalophlebitis. While previous coverage has addressed antibiotic use and its impacts on microbial diversity or resistance in human patients, this review specifically addresses the surgical management of umbilical vein complications in equine neonates.

When a newborn foal develops an infection in the umbilical cord, it can quickly become dangerous. If the infection reaches the liver or makes standard surgery impossible, doctors need a reliable backup plan. This review looks at a specific technique called umbilical vein marsupialization.

The findings show that this procedure is a viable surgical option for foals with these severe infections. It is particularly useful when the foal's condition involves the liver or when simply tying off the umbilical vein isn't safe. While it is a practical choice, the study notes that the long-term outlook is often less favorable for foals needing this specific surgery compared to those who only need a simple procedure.

It is important to note that while the technique works, there are risks like infection at the surgical site or hernia. Because the research available on this topic is limited and varied, every case must be handled carefully by experts.

What this means for you:
Marsupialization is a viable surgical option for foals with severe umbilical infections involving the liver.

Common questions

What is umbilical vein marsupialization?

It is a surgical technique used to treat omphalophlebitis, which is an infection of the umbilical cord. This specific method becomes a viable option when the infection spreads to the liver or when it is not safe for the foal to have the umbilical vein tied off or cut.

Is this surgery safe for newborn foals?

The procedure is considered a viable surgical option for specific cases. However, there are known risks such as infection at the surgical site and the possibility of a hernia. Because the available research is limited and varied, doctors must evaluate each foal's needs carefully.

What is the long-term outlook for foals needing this surgery?

The prognosis for foals requiring marsupialization is often less favorable than those who only need a simple omphalectomy. However, reports do show that some foals undergoing this procedure can achieve favorable long-term survival.

Study Details

Study typeSystematic review
EvidenceLevel 1
PublishedJun 2026
View Original Abstract ↓
Umbilical remnant infections are common in neonatal foals and may involve one or more umbilical structures. Diagnosis relies on thorough clinical examination, ultrasonography, and hematologic evaluation. Standard care includes broad-spectrum antibiotics, with surgical resection if conservative therapy fails. Omphalophlebitis may extend to the liver, prompting consideration of umbilical vein marsupialization. Surgery is performed in dorsal recumbency with a fusiform incision around the umbilicus. The umbilical arteries and urachus are ligated and transected, with partial cystectomy when indicated, and the umbilical vein is mobilized cranially. Marsupialization is indicated when safe ligation and transection are not feasible, or when infection extends into the hepatic parenchyma. Cranial midline translocation incorporates the partially resected vein into the cranial celiotomy closure, limiting intra-abdominal contamination. However, this approach may predispose to surgical site infection and herniation, often necessitating a second surgery. In the right paramedian translocation technique, an additional paramedian incision is created for marsupialization; the stoma heals by second intention. Although this method carries a risk of contamination during exteriorization of the vein stump; protective, risk-mitigating strategies have been reported. Perioperative management includes broad-spectrum antibiotics, ideally guided by culture and sensitivity testing, along with wound care and, in some reports, flushing of the stoma. Prognosis is less favorable for foals requiring marsupialization—typically those with hepatic involvement—than for those undergoing simple omphalectomy, although favorable long-term survival has been reported. Despite limited and heterogeneous literature, umbilical vein marsupialization remains a viable surgical option in appropriately selected cases.
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