Publications by authors named "Einar Arnbjornsson"

Background: Genital malformations are frequently diagnosed in patients with VACTERL, but are currently not included in the acronym. This study aimed to analyze the frequency of genital anomalies in patients with esophageal atresia (EA) and/or anorectal malformation (ARM), with a subgroup analysis of children fulfilling the VACTERL criteria.

Method: This was a cross-sectional retrospective analysis of two prospectively collected registries of patients operated on for ARM and EA between 2012 and 2022 at a specialized national center.

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Aim: To evaluate if the incidence of postoperative complications after gastrostomy placement is correlated to perioperative parameters or patient characteristics.

Methods: In this prospective observational study, children <18 years of age planned to receive a gastrostomy at partaking clinics between 2014 and 2019 were invited. Pre-, peri- and postoperative variables were collected and followed up 3 months postoperatively.

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Esophageal atresia with or without tracheoesophageal fistula (EA/TEF) is the most common congenital malformation of the upper digestive tract. This study represents the first genome-wide association study (GWAS) to identify risk loci for EA/TEF. We used a European case-control sample comprising 764 EA/TEF patients and 5,778 controls and observed genome-wide significant associations at three loci.

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Background Abdominal scarring in patients with anorectal malformations (ARM) is a permanent visible sign of a chronic congenital condition. The study's aims were to assess the physical and psychosocial significance of abdominal scarring in ARM and to propose a scar treatment approach. Methods A patient- and observer reported cross-sectional study of ARM patients with previous colostomies surgically treated 1997-2015 with minimum 4 years' follow-up after stoma closure.

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Background: Surgical safety during posterior sagittal anorectal plasty (PSARP) for anorectal malformations (ARM) depends on accurate pre-operative fistula localization. This study aimed to evaluate accuracy of pre-operative fistula diagnostics.

Methods: Ethical approval was obtained.

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Background: Anastomotic stricture (AS) is the most frequently occurring complication that occurs after esophageal atresia (EA) repair. Nevertheless, the pathogenesis remains primarily unknown and there is inadequate knowledge regarding the risk factors for AS. Therefore, a systematic review of the literature and a meta-analysis was performed to investigate whether gender and birth weight were risk factors for the development of AS following EA repair.

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Aim: The aims of this study were to evaluate health-related quality of life (HRQoL) in children with sacrococcygeal teratoma and to explore the effect of the scar on physical, emotional and behavioral aspects.

Methods: A cohort of children operated on for sacrococcygeal teratoma between 2000 and 2013 at Lund University Hospital, Sweden, and their parents were interviewed. HRQoL was evaluated with PedsQL, and scar satisfaction was estimated through Patient Observer Scar Assessment Score (POSA).

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Aim: To explore the correlation between fistula development and urinary flow measurements after hypospadias repair with emphasis on patients with urethrocutaneous fistula complications and to identify risk factors for fistula development.

Methods: Urinary flow was examined in boys operated on for hypospadias. Outcome of maximum urinary flow (ml/s) (Q), voided volume for age (ml) (Volume), and pathological flow pattern (n) (Curve) was compared between the Byars, Mathieu, and Tubularized Incised Plate (TIP) surgical repair methods and between the groups of those who had and had not developed a fistula.

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 To assess differences in initial symptoms, treatments, and bowel function between children with Hirschsprung's disease (HD) with or without a cognitive dysfunction (CD).  The study included children with HD who underwent transanal endorectal pull-through. A retrospective chart review was performed to collect data on patient characteristics, diagnosis, and treatment.

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 Gastrostomy placement in children is one of the most frequently performed pediatric surgical procedures and laparoscopic-assisted gastrostomy (LAG) is the preferred technique. Wound infection after LAG has become a significant concern due to the emergence of antibiotic resistance. The aim of this study was to describe the frequency of wound infection after LAG in children younger than 2 years of age and to identify the associated risk factors and the bacterial species involved.

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Purpose: To compare the two major complications, namely postoperative urethrocutaneous fistula and urethral stricture, between the Mathieu and tubularized incised plate (TIP) repair methods for distal hypospadias.

Methods: In this meta-analysis, electronic databases were searched for comparative studies on the two techniques. The Oxford Centre for Evidence-based Medicine Levels of Evidence was used to evaluate the included studies.

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Background/purpose: Urinary tract function in children with Hirschsprung disease (HD) is rarely considered.

Aim: to evaluate the prevalence of urinary tract anomalies and dysfunction in children with HD compared to controls.

Methods: This was an observational cross sectional case-control study.

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Aim Of The Study: To assess the frequency of and identify contributing factors to wound dehiscence after posterior sagittal anorectoplasty (PSARP) in children born with anorectal malformations (ARM).

Methods: Ethical approval was obtained (DNR 2017/191). Charts of all children with anorectal malformations (ARM) reconstructed with PSARP, limited PSARP, or PSARVUP at a tertiary centre of paediatric surgery between 2001 and 2016 were reviewed.

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Purpose: A meta-analysis was performed to compare the rates of the major complications associated with two gastrostomy tube placement techniques in a pediatric population: laparoscopy-assisted gastrostomy (LAG) and percutaneous endoscopic gastrostomy (PEG).

Methods: The PubMed electronic database was queried for comparative studies of the two insertion techniques. The Newcastle-Ottawa scale (NOS) was used for the assessment of the quality and risk of bias in the included studies.

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Background: Several surgical procedures have been described in the reconstruction of long-gap esophageal atresia (LGEA). We reviewed the surgical methods used in children with LGEA in the Nordic countries over a 15-year period and the postoperative complications within the first postoperative year.

Methods: Retrospective multicenter medical record review of all children born with Gross type A or B esophageal atresia between 01/01/2000 and 12/31/2014 reconstructed within their first year of life.

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Background: The aim was to explore if severe congenital heart disease (CHD) influenced the need for dilatation of anastomotic strictures (AS) after the repair of esophageal atresia (EA).

Methods: A retrospective case-control study was conducted examining AS in children with EA and Gross type C. The spectra of CHD and cardiac interventions were reviewed.

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 We determined time frames for dilatation of anastomotic strictures (ASs) occurring during the first 2 years after esophageal atresia (EA) repair.  A retrospective study was conducted on children with EA (Gross type C) who underwent direct repair between January 2008 and March 2015 at a single tertiary center of pediatric surgery. Endoscopic signs of stricture were indications for dilatation because the endoscopy provides more reliable information than X-ray imagining methods.

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Objective: To evaluate urinary tract and bowel function in children with sacrococcygeal teratoma, compare the findings with healthy children, and assess predictors of poor outcome.

Study Design: This was a controlled cohort study of all patients operated for sacrococcygeal teratoma at a tertiary pediatric surgery center, 2000-2013. Urinary and bowel function were compared with healthy control patients matched for age and sex.

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Background: Besides the incidence of esophageal atresia (EA) being higher in males, no other gender-specific differences in EA have been reported. The aim of this study was to search for gender-specific differences in EA.

Methods: A retrospective study was conducted at a tertiary center for pediatric surgery.

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. Hirschsprung's disease (HD) has a skewed gender distribution, with a female to male ratio of 1 : 4. This study aims to examine differences between boys and girls with HD regarding preoperative features and postoperative treatment and outcome.

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Objective: Transanal endorectal pull-through (ERPT) is the most popular technique to treat Hirschsprung disease (HD). Still, there is limited knowledge on long-term bowel function. This cross-sectional, multicenter study assessed long-term bowel function in a large HD population and examined predictors of poor outcome.

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Aim Of The Study: Anastomotic strictures commonly occur in patients undergoing surgery for esophageal atresia (EA). The primary aim of this study was to determine the age distribution of dilation procedures for anastomotic strictures over the patient's childhood after reconstruction of EA. The secondary aim was to evaluate the effect of postoperative proton pump inhibitors (PPIs) on the frequency of dilations.

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Purpose: The aims of this study were to assess the short- and long-term complication rates after video-assisted gastrostomy (VAG), the effects of age and gender on long-term complications and the effect of duration of gastrostomy tube retention on the need for gastroraphy when the gastrostomy device was removed.

Methods: This was a retrospective study of children undergoing VAG at a single institution. Children who died or moved from the area were excluded.

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