Hemorrhage is the most common cause of neonatal mortality in patients with sacrococcygeal teratoma

Background A small percentage of neonates with sacrococcygeal teratoma die shortly after birth from hemorrhagic complications. The incidence of and risk factors associated with hemorrhagic mortality are unknown. In this multicenter study we determined the incidence of early death in neonates born with SCT and evaluated potential risk factors for hemorrhagic mortality. Methods 235 children with SCT treated from 1970 to 2010 in the Netherlands were retrospectively included. The following candidate risk factors for hemorrhagic mortality were examined: sex, prematurity, Altman type, tumor volume, tumor histology, necessity of emergency operation and time of diagnosis. Results Eighteen patients (7.7%) died at a median age of 163.5 days (range 1.7–973 days). Nine patients died of a malignancy. Nine others (3.8%) died postnatally (age 1–27 days), six even within two days after birth. In seven of these nine patients death was related to tumor–hemorrhage and/or circulatory failure. Risk factors for hemorrhagic mortality were prematurity, tumor volume > 1000 cm3 and performance of an emergency operation. Conclusions Hemorrhagic mortality of neonates with SCT is relatively high (3.8%) representing almost 70% of the overall mortality in the neonatal period. High-output cardiac failure, internal tumor hemorrhage and perioperative bleeding were the most common causes of early death and were all strongly associated with larger tumor sizes. Level-of-evidence rating II (Retrospective study).

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