Objective: To investigate the clinicopathological, therapeutic, and survival data on pediatric major salivary gland cancers. Materials and Methods: National Cancer Database (NCDB) query from 2004 to 2018. Results: In total, 967 cases of individuals under the age of 21 were identified. Most cancers affected the parotid gland (86%). Mucoepidermoid carcinoma (41.3%) and acinic cell adenocarcinoma (33.6%) were the most common. Tumors occurred more often from age 11 to 21, and females were more affected. Histology varied by age, gender, and race. In the 0–5 age group, mucoepidermoid carcinoma and myoepithelial carcinoma/sarcoma/rhabdomyosarcoma were the most common pathologies. In patients over 5 years old, mucoepidermoid carcinoma was the most frequent tumor in boys, while acinic cell adenocarcinoma was more common in girls. African American patients had a higher incidence of mucoepidermoid carcinoma, while White patients in the 0–5 age group had a higher incidence of myoepithelial carcinoma/sarcoma/rhabdomyosarcoma tumors. Low-grade tumors were commonly diagnosed at stage I, but the 0–5 age group had a high frequency of stage IV tumors. The overall 5-year survival rate was 94.9%, with 90% for the 0–5 years age group and 96% for the 11–15 years age group. Negative margins were associated with higher 5-year survival rates in high-stage tumors (93%) compared to positive margins (80%). Submandibular malignancies had worse 5-year survival rates across all age groups. Conclusions: Major salivary gland malignancies in pediatric patients exhibit variations in histopathologic characteristics by age, gender, and race. Negative margins impact 5-year survival rates, especially in high-stage tumors.
Bleeding and thrombosis-related complications are common in pediatric cardiac patients supported by extracorporeal membrane oxygenation (ECMO) and are associated with morbidity and mortality. The purpose of this study was to evaluate the utility of aminocaproic acid (ACA), an antifibrinolytic agent, as it pertains to bleeding in pediatric cardiac patients on ECMO. This included a retrospective cohort study of pediatric cardiac patients receiving ACA while supported on ECMO between 2013 and 2017. For each patient, data were collected in three time intervals: the 24 hours before ACA initiation, and then 0–24 and 24–48 hours following ACA initiation. For each time frame, bleeding, component transfusion, and laboratory data were collected and analyzed. A total of 62 patients were included, representing 42% of our cardiac ECMO patients during the time period. ACA was initiated at 16.3 ± 8.7 hours following initiation of ECMO. The mean bleeding rate before ACA was 10.57 mL/kg/h, which reduced to 7.8 mL/kg/h in the 24-hour period after initiation of ACA and a further decrease to 3.65 mL/kg/h during the 24- to 48-hour time period following ACA initiation. ACA administration was associated with reduction in bleeding (p < .001) and packed red blood cell transfusions (p = .02), administration of fresh frozen plasma (p < .001), platelets (p = .017), cryoprecipitate (p = .05), factor VII (p = .002), and Cell Saver (p = .005). Hemoglobin and platelet count were stable, whereas prothrombin time (PT), partial thromboplastin time, and international normalized ratio (INR) showed significant reduction over the time course. ACA administration was not associated with specific adverse effects. A clinically significant reduction in bleeding amount, red blood cell transfusions, and other hematologic interventions occurred following ACA administration for pediatric patients on ECMO. Wider consideration for ACA use as a part of a multipronged strategy to manage bleeding during ECMO should be considered.
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