Publications by authors named "Chwals W"

Objective: We aimed to determine the incidence of growth failure in infants with necrotizing enterocolitis (NEC) or spontaneous intestinal perforation (SIP) and whether initial laparotomy versus peritoneal drainage (PD) impacted the likelihood of growth failure.

Summary Background Data: Infants with surgical NEC and SIP have high mortality, and most have neurodevelopmental impairment and poor growth. Existing literature on growth outcomes for these infants is limited.

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Background: In 2021, the Centers for Medicare & Medicaid Services (CMS) mandated that every hospital create a publicly available webtool for pricing various medical services in an effort to give patients transparency in regard to their health care expenses and allow patients to "shop around" to receive the care most fitting their budget. Our objective is to investigate the utility this mandate provides for vascular surgery patients.

Methods: Standardized searches were performed to find patient cost calculators for Newsweek's Top 50 Hospitals in the United States.

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Article Synopsis
  • The study aimed to find which surgical treatment for premature infants with necrotizing enterocolitis (NEC) or isolated intestinal perforation (IP) led to lower rates of death or neurodevelopmental impairment (NDI).
  • Researchers conducted a large trial with 310 infants across 20 US centers, comparing laparotomy and peritoneal drainage as initial treatments and assessing outcomes at 18 to 22 months.
  • Results showed similar rates of death or NDI overall (69% for laparotomy vs. 70% for drainage), but preoperative diagnosis influenced outcomes, with laparotomy being more beneficial for NEC but less for IP.
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The long-term morbidity of obesity in adolescents is well recognized nationally and represents a major health concern for the population of the near future. Traditional medical management of obesity focuses on addressing behavioral modification, dietary and exercise programs, and, to a lesser degree, pharmaceuticals. Although these strategies are relatively effective, they suffer from the lack of sustained benefit, a high relapse rate, and, in case of pharmacotherapy, potentially dangerous adverse effects.

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Background: Injury severity induces a proportionate acute metabolic stress response, associated with increased risk of hyperglycemia. We hypothesized that excess caloric delivery (overfeeding) during high stress states would increase hyperglycemia and disrupt response homeostasis.

Methods: Gestational age, daily weight, total daily caloric intake, serum C-reactive protein (CRP), prealbumin, and blood glucose concentrations in all acutely-injured premature NICU infants requiring TPN over the past 3years were reviewed.

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Mediastinal teratomas with elements of mature pancreatic tissue are rare. Only a very few cases of pancreatic tissue with nesidioblastosis in teratoma have been reported. Here, we report a case of a 12-year-old male who presented with pleural effusion and was revealed to have a large anterior mediastinal mass.

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Introduction: Patients with combined esophageal atresia (EA), tracheoesophageal fistula (TEF), and duodenal atresia (DA) pose a rare management challenge.

Presentation Of Case: Three patients with combined esophageal atresia (EA), tracheoesophageal fistula (TEF), and duodenal atresia safely underwent a staged approach inserting a gastrostomy tube and repairing the EA/TEF first followed by a duodenoduodenostomy within one week. None of the patients suffered significant pre- or post-operative complications and our follow-up data (between 12 and 24 months) suggest that all patients eventually outgrow their reflux and respiratory symptoms.

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Purpose: To assess whether pediatric trauma patients initially evaluated at referring institutions met Massachusetts statewide trauma field triage criteria for stabilization and immediate transfer to a Pediatric Trauma Center (PTC) without pre-transfer CT imaging.

Methods: A 3-year retrospective cohort study was completed at our level 1 PTC. Patients with CT imaging at referring institutions were classified according to a triage scheme based on Massachusetts statewide trauma field triage criteria.

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Background: Antegrade continence enema (ACE) is a recognized therapeutic option in the management of pediatric refractory constipation. Data on the long-term outcome of patients who fail to improve after an ACE-procedure are lacking.

Purpose: To describe the rate of ACE bowel management failure in pediatric refractory constipation, and the management and long term outcome of these patients.

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Abstract Multiple hereditary exostoses is a rare autosomal dominant disorder characterized by the growth of multiple osteochondromas. We describe the thoracoscopic remodeling of a spiculated costal exostotic lesion responsible for spontaneous recurrent hemothoraces in a 17-year-old male patient with multiple hereditary exostoses.

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Background: Though patients with progressive familial intrahepatic cholestasis (PFIC) typically require liver transplantation, initial surgical treatment includes partial biliary diversion (PBD) to relieve jaundice-associated pruritus. This study was undertaken to describe long-term PFIC outcome data, which are currently sparsely reported.

Methods: Retrospective review of 7 patients diagnosed with PFIC who underwent PBD between 2004 and 2008 was directed toward long-term postoperative outcome including resolution of jaundice/pruritus, stoma complications, interval to transplantation, and death.

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Background: Various gastrostomy tube placement techniques have been reported in the literature. The endoscopic U-stitch technique allows for primary button placement without the need for laparoscopy. The purpose of this study was to quantify the completion rate and the occurrence of complications with this procedure at one academic teaching hospital.

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Introduction: The current paradigm in laparoscopic surgery is for each instrument to enter the abdomen through its own separate incision. The advent of newer laparoscopic trocars and instruments now allows for all instruments to enter through a single incision. This may lead to less pain and improved cosmetic outcome.

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Purpose: Serum markers of inflammation and of glucose production are known to reflect the immediate metabolic response to injury. We hypothesized that monitoring of the early C-reactive protein (CRP) and blood glucose (BG) concentrations would correlate with clinical morbidity and outcome measures in pediatric trauma patients.

Methods: A five-year retrospective chart review of pediatric trauma patients admitted to our Level I pediatric trauma center was conducted to establish the relationships between early (first 3 hospital days) serum CRP and BG concentrations, Injury Severity Score (ISS), and hospital length of stay (HLOS).

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Introduction: Community hospitals commonly obtain computed tomographic (CT) imaging of pediatric trauma patients before triaging to a level I pediatric trauma center (PTC). This practice potentially increases radiation exposure when imaging must be duplicated after transfer.

Methods: A retrospective review of our level 1 PTC registry from January 1, 2004, to December 31, 2006, was conducted.

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Purpose: A fecalith is a fecal concretion that can obstruct the appendix leading to acute appendicitis. We hypothesized that the presence of a fecalith would lead to an earlier appendiceal perforation.

Methods: Between January 2001 and December 2005, the charts of all patients younger than 18 years old who underwent appendectomy at our institution were reviewed.

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