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Purpose: Various complications are associated with percutaneous endoscopic gastrostomy (PEG) procedures in children. The push technique is being increasingly used, but its complications are insufficiently characterized. We aimed to assess all complications related to PEG procedures and compare the safety of the pull and push techniques. Methods: Retrospective review of consecutive pediatric patients who underwent PEG between 2002 and 2020. Results: In total, 216 children underwent 217 PEG procedures. The push technique was used in 138 (64%) cases, and the pull technique in 79 (36%) cases. The median follow-up time was 6.1 (0.1-18.3) years. The complication rate was high (57%) and patients experienced complications years after the procedure. Overall, 51% and 67% of patients experienced complications in the push and pull groups, respectively. The rates of minor and major complications were higher in the pull group than in the push group (63% vs 48%, p=0.028; and 11% vs 6%, p=0.140, respectively). Reoperation was also more common in the pull group (17% vs 7%, p=0.020). Conclusions: The overall complication rate of PEG procedures is high. Fortunately, most complications are mild and do not require reoperations. The increasing push technique appears to be safer than the traditional pull technique. Significant long-term morbidity is related to gastrostomies in children.

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BACKGROUND: Incidence and long-term outcomes of choledochal malformations (CMs) in children remain unclear. METHODS: Clinical characteristics, operative details, complications, and follow-up data were collected from eight pediatric surgical centers in Sweden, Norway, Denmark, and Finland, which also answered a questionnaire addressing management practices. RESULTS: During 2000-2017, 126 pediatric CMs were diagnosed, corresponding an incidence of 1:37,400. Diagnostic, treatment, and follow-up practices varied markedly. Of patients with complete clinical data (n = 119), 85% and 11% had type I and IV CMs and were managed by open hepaticojejunostomy at median age of 2.5 (interquartile range 0.46-5.8) years. Associated malformations were more common in fusiform and type IV (23%) than cystic CMs (8%, p = 0.043). Pancreaticobiliary maljunction was more frequently confirmed in patients presenting with pancreatitis (26% vs. 7%, p = 0.005) and with fusiform CMs (56% vs. 25%, p = 0.001). Cholangitis/pancreatitis episodes, occurring in 12% during postoperative follow-up of 4.0 (2.0-7.9) years, associated with longer surveillance (OR 1.32, 95% CI 1.13-1.54, p < 0.001). However, only two thirds of centers continued follow-up until adulthood. No malignancies were reported. CONCLUSIONS: CM incidence was higher than traditionally reported among Western populations. Although open hepaticojejunostomy carries good short-term outcomes, long-term morbidity is noteworthy. Standardized evidence-based management strategies and long-term follow-up are encouraged.

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BACKGROUND: Surgery for necrotizing enterocolitis (NEC) and spontaneous intestinal perforation (SIP) is often complicated by intestinal failure (IF) and intestinal failure associated cholestasis (IFAC). OBJECTIVE: Assessment of incidence, predictors, and mortality associated with IFAC in surgically treated NEC and SIP. METHODS: A retrospective observational study based on hospital records during 1986-2014 in the two largest Finnish neonatal intensive care units was performed. IFAC was defined as conjugated bilirubin >34 µmol/l (2.0 mg/dl) for ≥ two postoperative weeks while receiving parenteral nutrition (PN). RESULTS: In total 225 patients underwent surgery for NEC (n = 142; 63%) or SIP (n = 83; 37%). Included were 57 survivors with ≥two weeks PN. Sixty-five (42%) patients developed IFAC. Two-year survival with IFAC was 80% and without IFAC 89% (p = 0.13). Of the 65 patients with IFAC, all eight with unresolved IFAC died in comparison to six of 57 (11%) whose IFAC resolved (p < 0.0001), while IFAC resolved in all survivors. Survival among patients with resolved IFAC was 89% and with unresolved IFAC (n = 8) 0%, (p < 0.0001). IFAC lasted for median 83 (IQR 45-120) days and correlated with the duration of PN (R2 = 0.16, p = 0.03), delay of starting enteral feeds (R2 = 0.12, p = 0.05) and PN lipid emulsion (RR = 1.0 (95% CI = 1.0-1.1) (p = 0.02). In multivariate logistic regression analysis, IFAC development associated with septicemias and reoperations. CONCLUSIONS: 42% of prematures who underwent surgery for NEC or SIP developed IFAC. Reoperations and septicemias increased the risk of IFAC. None of the patients with unresolved IFAC survived, but IFAC did not increase overall mortality. TYPE OF STUDY: Retrospective prognosis study. LEVEL OF EVIDENCE: Level II.

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BACKGROUND: Necrotizing enterocolitis (NEC) and spontaneous intestinal perforation (SIP) are the most common abdominal surgical conditions in preemies. Associated mortality remains high and long periods of parenteral nutrition (PN) may be required. We assessed the developments in the outcomes of surgically treated NEC and SIP in the two largest Finnish neonatal intensive care units (NICU). METHODS: Retrospective observational study based on hospital records during 1986-2014. Main outcome measures were three-month survival during 1986-2000 compared with 2001-2014 and predictors of mortality. RESULTS: Included were 225 patients (NICU A 131 and NICU B 94) with NEC in 142 (63%) and SIP 83 (37%). The median birth weight (BW) (870 vs 900 g) and gestation age (GA) (27 vs 27 weeks, p = 0.96) were similar in NEC and SIP. Small intestine was affected in 85% of NEC and 76% of SIP patients (p = 0.12). In 5% of patients NEC was panintestinal. Median small intestinal loss was 25% in NEC and 4.0% in SIP (p < 0.001). Ileocecal valve was resected in 29% of NEC and 14% of SIP patients (p = 0.01). Enterostomy was performed in 78% of patients and primary anastomosis in 18%; 4% died of extensive NEC without definitive surgery. Overall survival was 74% (NEC 73%, SIP 77%, p = 0.48; NICU A 82%, NICU B 65%, p = 0.003). From 1986-2000 to 2001-2014 overall survival increased from 69 to 81% (p = 0.04). Treating NICU was the strongest predictor of survival, RR = 2.8 (95% CI = 1.4-5.1), p = 0.003. CONCLUSIONS: Overall survival improved significantly from the early (1986-2000) to the late (2001-2014) study period. Strongest predictor of mortality was the treating neonatal intensive care unit. LEVEL OF EVIDENCE: III.

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INTRODUCTION: Premature ossification of coronal and metopic sutures is treated by fronto-orbital remodeling. Such operations require stable fixation of the reshaped cranial bones. Currently, biodegradable plating systems are used to provide sufficient stability over the time that takes for the osteotomies to ossify. Plates that are placed traditionally on the outer surface of the cranium are often palpable and even visible through the thin overlying skin, compromising the cosmetic results of these operations. Improved aesthetics could be achieved by placing the plates endocranially. PURPOSE: This study aimed to evaluate endocranial resorbable plate fixation and its clinical and radiographic results in frontal remodeling cranioplasty for plagiocephaly and trigonocephaly patients with follow-up sufficiently long for the plates to have been completely resorbed. METHODS: A poly(lactide-co-glycolide) (PLGA) resorbable plating system was used on the inner aspect of frontal bone in 27 patients treated for coronal and metopic craniosynostoses. The outcome was evaluated at follow-up visits. The mean follow-up was 79.2 months. RESULTS: Three patients had complications that required reoperations. None of these complications were related to the endocranial location of the plates. There were no problems with ossification of the osteotomy sites. All but one patient's outcome was judged as good or excellent. CONCLUSION: Placement of resorbable fixation on the endocranial surface of the calvarial bones is safe, stable, and results in satisfactory aesthetics without interfering with the ossification of the cranial bones.

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AIM: The aim of this study was to analyze outcomes of severe short bowel syndrome (SBS) treated with autologous intestinal reconstruction (AIR) surgery to facilitate independence of parenteral nutrition (PN). METHODS: PN dependence, growth, nutritional status, liver function, and survival were comparatively assessed in SBS children treated with (n=10) or without (n=18) AIR surgery. RESULTS: Median follow-up was 9.2 (4.9-14) years. Residual small intestinal length was 28 cm at birth. A total of 13 AIR procedures were performed at median age of 16 (11-41) months: serial transverse enteroplasty (STEP; n=8), longitudinal lengthening and tailoring (LILT; n=2), and tapering enteroplasty (n=3). Following STEP and LILT, length of the remaining small intestine increased by 19 (15-38) cm or 43% (38%-64%). Two children required repeat STEP due to recurrence of symptoms and bowel re-dilatation. Median duration of PN was 12 (11-17) months before and 14 (0-19) months after AIR. Eight children remain off PN 6.9 (3.6-9.7) years after surgery, and one with ultra short bowel (12 cm) receives 12% of energy as PN - all with reassuring growth and nutritional status and normal liver function. Actuarial PN dependence, including those who died on PN, was similar (P=0.19) with or without AIR surgery being 30% and 20% at four years, respectively. Complications of AIR surgery (lymphocele, bowel obstruction, and staple line bleeding) resolved without operative interventions. Survival was 90% with and 83% without AIR procedures. CONCLUSIONS: AIR surgery can provide long-term survival, independence of PN, and satisfactory general health in selected children with severe SBS.

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Resection of a large vascular sacrococcygeal teratoma (SCT) in a newborn has the potential to be a fatal procedure caused by hemolysis, rupture, or bleeding of the tumor. Usually, most blood supply of an SCT is derived from the middle sacral artery. As soon as these arteries have been ligated, further blood loss is minimal. There is only one previous presentation about preoperative embolization of these arteries. We present a case in which the feeding arteries of a giant SCT were embolized in an infant born at 30 weeks and 3 days of gestation. Although bleeding during the surgery was minimal, continuous need of transfusions and life-threatening hyperkalemia created severe problems during surgery, until tumor resection was completed. This is the smallest reported patient in whom SCT was preoperatively treated by embolization.

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OBJECTIVE: Complete androgen insensitivity syndrome (CAIS) is a rare disease. However, there is a higher rate of CAIS in girls with inguinal hernia. The aim of this study was to estimate the incidence of CAIS in girls with inguinal hernia and to find a proper screening test for CAIS in these girls. MATERIAL AND METHODS: A total of 109 consecutive girls attending the University Hospitals of Turku and Tampere, Finland, for inguinal hernia repair between January 2003 and December 2007 participated in the study. After induction of anaesthesia, vaginal length was measured with a small, lubricated Hegar dilator. During hernia repair, tension was placed on the round ligament to identify the contents of the hernial sac. The karyotype of all patients was measured, with identification of the Y-chromosome from a buccal mucosa swab sample. Vaginal length measurements were plotted against age and standards for vaginal length in prepuberty were established. RESULTS: Four patients were found to have very short vaginas, with one CAIS patient confirmed as having a 46XY karyotype from the verification of the Y-chromosome from buccal mucosa. The other three patients with abnormal vaginal length were karyotypically normal XX girls and had visible ovaries, fallopian tubes or round ligament, which suggests an error in the measurements. Unlike all the other operated girls, the CAIS patient lacked a round ligament. CONCLUSIONS: The incidence of CAIS in girls undergoing hernia repair was 1%. The CAIS patient had a significantly shorter vagina than girls with normal karyotype. Vaginal length is a useful additional clinical tool in screening girls for karyotyping CAIS, especially if abnormalities in the round ligament and contents of the hernial sac are suspected. It is recommended that ovaries and fallopian tubes are searched for if the round ligament is not found to be normal during the hernia operation. If no ovaries or fallopian tubes are found, consent for karyotyping should be sought in cases where the vaginal length is <4 cm in girls older than 4 years and <3 cm in younger girls.

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PURPOSE: Fixation of cranial bones in pediatric craniofacial surgery with biodegradable materials has developed into an accepted method. However, placing the fixation material on the outer surface of the cranial bone at the frontal cranium in infants can result in suboptimal cosmetic outcomes, as the plates and screws can be palpable. The placement of resorbable fixation devices on the inner surface of the skull would allow for less obvious fixation beneath the skin with a potentially superior cosmetic result. The authors report the use of such resorbable fixation devices on the inner or endocranial aspect of the cranium which appears to be novel. MATERIALS AND METHODS: Ten patients with the mean age of 14 months (range 7-35 months) were treated with cranial remodeling using poly(lactide-co-glycolide) (PLGA) biodegradable fixation on the inner surface of the cranial bones. Five patients had trigonocephaly, four plagiocephaly, and one brachycephaly. All patients had 3D computed tomography (CT) and clinical photographs done preoperatively and postoperatively at follow-up. The outcome was judged at follow-up by clinical evaluation, photographs, 3D CT, and interview of the parents. The mean follow-up time was 3.5 years (range 0.5-6 years). RESULTS: The primary recovery was uneventful in all cases. No wound infection occurred, but one patient had a minor skin necrosis which required a single revision operation to correct. The cosmetic outcome was scored as excellent, good, fair, or poor. There was no case with delayed union. Seven out of ten cases were judged as excellent and three as good, none as fair or poor. CONCLUSIONS: The use of resorbable PLGA fixation devices on the inner aspect of the skull appears to provide a satisfactory cosmetic result in this small preliminary group of pediatric patients. Further long-term study of these materials in this specific location in a larger patient group is needed.

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