Arterial constriction after resection of neuroblastic tumors
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Neuroblastic tumors are the most common pediatric extracranial solid tumors in infants and very young children. Although especially in newborns, there is an increasing number of situations in which observation alone is used, surgery remains an important step in the treatment of neuroblastoma but can be complicated by arterial vasospasm in the surgical field.

The aim of this two-center retrospective study was to analyze the occurrence of arterial constriction as a complication of neuroblastic tumor resection.

Medical records of patients who were treated surgically for neuroblastic tumors in the years 2012–2019 were reviewed. 113 children were treated for neuroblastic tumors. The treatment included both primary and delayed surgery after initial chemotherapy carried out according to SIOPEN protocols.

In 11 out of 113 cases (9.7%) local arterial constriction was observed. In 6 out of 11 cases an attempt was made to save the organ, however, two patients suffered from kidney atrophy, two other partial kidney infarctions, one child suffered from partial limb paresis, and another from brain ischemia and death.

In conclusion, local arterial constriction constitutes a relatively common (10% of cases) and severe complication of neuroblastic tumor resection.

Journal of Pediatric Surgery
Source: https://doi.org/10.1016/j.jpedsurg.2021.04.030
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