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Purpose: Neonates with duodenal atresia (DA) are often born prematurely and undergo repair soon after birth, while others are delayed to allow for growth until closer to term corrected gestational age (cGA). Premature infants have been demonstrated to experience worse outcomes, but it is unclear whether delaying surgery mitigates the increased morbidity. This study evaluates the association of timing of DA repair with postoperative morbidity., Methods: We retrospectively evaluated neonates undergoing DA repair from the National Surgical Quality Improvement Program-Pediatric database (2015-2020). A multivariable regression analyzed factors associated with composite morbidity, including cGA and age in days of life (DOL) at surgery. A propensity score matched analysis was completed in premature neonates born at ≤35 weeks gestation to compare outcomes at similar birth gestational ages (bGA) and birth weight who underwent early (<7 DOL) versus delayed (≥7 DOL) repair., Results: 809 neonates were included with a median bGA of 36 weeks (IQR 34-38), birth weight of 2.46 kg (IQR 1.96-2.95), and DOL at surgery of 2 (IQR 1-5). Infants born ≤35 weeks represented 35.23% of the cohort. On multivariable analysis, increasing cGA at surgery was associated with decreased morbidity (OR: 0.91, CI [0.84, 0.99]), and increasing DOL at surgery was associated with increased morbidity (OR: 1.02, CI [1.00, 1.04]). On propensity score matched analysis, delayed repairs were associated with increased postoperative ventilation (6 days vs. 2 days, p < 0.05); however, there were no differences in composite or surgical morbidity between early and delayed repairs., Conclusions: Morbidity after DA repair in neonates ≤35 weeks cGA is primarily driven by non-surgical causes, but delaying surgery does not appear to mitigate the risks associated with prematurity. It seems reasonable to consider repair in neonates around 33-34 weeks gestation without prohibitive risk factors. Optimal timing of DA repair requires a delicate balance between these factors., Level of Evidence: Level III., Type of Study: Retrospective Cohort Study., (Copyright © 2023 Elsevier Inc. All rights reserved.)

Purpose: Children undergoing splenectomy for hemolytic anemia often have cholelithiasis, which may or may not be symptomatic. It is unclear whether concurrent cholecystectomy increases length of stay or morbidity after splenectomy. The purpose of this study was to compare morbidity among children undergoing laparoscopic splenectomy alone versus splenectomy with concurrent cholecystectomy in patients with hemolytic anemia., Methods: We retrospectively evaluated children with hemolytic anemia undergoing non-traumatic laparoscopic splenectomy in the National Surgical Quality Improvement Program-Pediatric database (2012-2020). Outcomes were compared for patients undergoing splenectomy alone (n = 1010) versus splenectomy with cholecystectomy (n = 371). Pearson's Chi-square and Student's t-tests were utilized as appropriate. Propensity score-matching was completed, controlling for eight demographic and clinical variables., Results: 1381 patients were identified, 73.1% undergoing splenectomy alone and 26.9% splenectomy with cholecystectomy. Splenectomy with cholecystectomy patients were older (10.9 years vs. 8.4 years, p < 0.01), more likely to have hereditary spherocytosis (56.1% vs. 40.8%, p < 0.01), less likely to have sickle cell disease (12.1% vs. 33.5%, p < 0.01), more likely ASA class 1 or 2 (49.3% vs. 42.1%, p < 0.01), and had similar preoperative hematocrit levels (29.6 vs. 29.3, p = 0.33). The splenectomy with cholecystectomy group was less likely to receive preoperative blood transfusions (13.5% vs. 25.4%, p < 0.01). There were 360 pairs selected on propensity score-matching, and splenectomy with cholecystectomy was associated with increased operative time (182 min vs. 145 min, p < 0.01) and decreased occurrences of a postoperative transfusion (4.2% vs. 8.9%, p = 0.01). Length of stay after surgery (2.5 days vs. 2.3 days, p = 0.13), composite morbidity (3.9% vs. 3.4%, p = 0.69), and 30-day readmission rates (3.3% vs. 7.4%, p = 0.08) were all similar., Conclusions: Splenectomy with cholecystectomy is associated with similar postoperative morbidity, length of stay and readmission rates compared to splenectomy alone. These data support the safety of concurrent cholecystectomy with splenectomy for children with cholelithiasis in the setting of hemolytic anemia., Type of Study: Retrospective Cohort Study., Level of Evidence: Level III., (Copyright © 2023 Elsevier Inc. All rights reserved.)

Purpose: The natural history of prenatally diagnosed lymphatic malformations (LM) remains unknown. The ability to predict growth of a lesion is important to prenatal counseling and any future prenatal intervention. We describe the prenatal growth patterns of LMs as they relate to gestational age, anatomical location, and postnatal management., Methods: A retrospective review of fetuses prenatally diagnosed with an LM who were followed with serial ultrasounds from 2003 to 2014 was performed with attention to the growth of the lesion as indicated by the lesion volume ratio (LVR)., Results: Thirty patients with LM had serial ultrasound measurements between 19 and 39weeks gestation. The LVR increased in 53%, decreased in 23%, and remained stable in 23% of fetuses from the initial to the final ultrasound. Unlike other locations that demonstrated both positive and negative growth profiles, axillary lesions only demonstrated increased growth. Lesions with positive growth increased throughout gestation (peak LVR at 35±3weeks). Twenty-four patients had postnatal interventions, including surgical resection, sclerotherapy, and surgery + sclerotherapy., Conclusion: LMs have variable prenatal growth profiles. The majority of lesions, especially axillary LMs, will continue to grow throughout gestation and will not reach a growth plateau until the end of gestation., Level of Evidence: Level III (Retrospective cohort study)., (Copyright © 2017 Elsevier Inc. All rights reserved.)

Purpose: Administration of maternal betamethasone (BMZ) is a therapeutic option for fetuses with large microcystic congenital lung lesions at risk for, or causing, hydrops. Not all fetuses respond to a single course of BMZ. We review our experience with the use of single and multiple courses of maternal BMZ for the management of these patients., Methods: A retrospective review of fetuses with congenital lung lesions managed with maternal BMZ from 2003 to 2014 was performed., Results: Forty-three patients were managed with prenatal steroids (28 single course, 15 multiple courses). Single course recipients demonstrated a reduction in lesion size and resolution of hydrops in 82% and 88% of patients respectively compared to 47% and 56% in recipients of multiple steroid courses. Survival of multiple course patients (86%) was comparable to that of single course patients (93%) and improved compared to non-treated historical controls. Multiple course recipients demonstrated an increased need for open fetal surgery and postnatal surgery at a younger age., Conclusion: Fetuses who fail to respond to a single course of BMZ may benefit, as indicated by hydrops resolution and improved survival, from additional courses. However, failure to respond is indicative of a lesion which may require fetal or immediate neonatal resection., (Copyright © 2016 Elsevier Inc. All rights reserved.)

Purpose: Hydrops and pulmonary hypoplasia are associated with significant morbidity and mortality in the setting of a congenital lung lesion or pleural effusion (PE). We reviewed our experience using in utero thoracoamniotic shunts (TA) to manage fetuses with these diagnoses., Methods: A retrospective review of fetuses diagnosed with a congenital lung lesion or pleural effusion who underwent TA shunt placement from 1998-2013 was performed., Results: Ninety-seven shunts were placed in 75 fetuses. Average gestational age (±SD) at shunt placement and birth was 25±3 and 34±5 weeks. Shunt placement resulted in a 55±21% decrease in macrocystic lung lesion volume and complete or partial drainage of the PE in 29% and 71% of fetuses. 69% of fetuses presented with hydrops, which resolved following shunt placement in 83%. Survival was 68%, which correlated with GA at birth, % reduction in lesion size, unilateral pleural effusions, and hydrops resolution. Surviving infants had prolonged NICU courses and often required either surgical resection or tube thoracostomy in the perinatal period., Conclusion: TA shunts provide a therapeutic option for select fetuses with large macrocystic lung lesions or PEs at risk for hydrops and/or pulmonary hypoplasia. Survival following shunting depends on GA at birth, reduction in mass size, and hydrops resolution., (Copyright © 2015 Elsevier Inc. All rights reserved.)