Publications by authors named "Pablo Aguayo"

Background: The use of laparoscopy in the repair of duodenal atresia has been increasing. However, there is no consensus regarding which surgical approach has better outcomes. We aimed to compare the different surgical approaches and types of anastomoses for duodenal atresia repair.

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Background: Initial treatment of hypertrophic pyloric stenosis (HPS) is correction of electrolyte disturbances with fluid resuscitation. In 2015, our institution implemented a fluid resuscitation protocol based on previous data that focused on minimizing blood draws and allowing immediate ad libitum feeds postoperatively. Our aim was to describe the protocol and subsequent outcomes.

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Background: The Midwest Pediatric Surgery Consortium (MWPSC) suggested a simple aspiration of primary spontaneous pneumothorax (PSP) protocol, failing which, Video-Assisted Thoracoscopic Surgery (VATS) should be considered. We describe our outcomes using this suggested protocol.

Methods: A single institution retrospective analysis was conducted on patients between 12 and 18 years who were diagnosed with PSP from 2016 to 2021.

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Background: The Arizona-Texas-Oklahoma-Memphis-Arkansas Consortium practice management guideline was created to standardize management of blunt liver or spleen injury across pediatric trauma centers. We describe our outcomes since guideline adoption at our institution and hypothesize that blunt liver or spleen injury may be managed more expeditiously than currently reported without compromising safety.

Methods: A retrospective cohort study was conducted on patients younger than 18 years presenting with blunt liver and/or splenic injuries from March 2016 to March 2021 at one participating center.

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Infants with intra-abdominal pathology necessitating open abdominal surgery may also require placement of a gastrostomy tube (GT). Use of laparoscopy provides better visualization for gastrostomy placement and lowers the risk of complications compared with an open approach. We describe a series of patients who underwent laparoscopic GT placement at the time of an open abdominal procedure.

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Introduction: We report the findings of a three-year prospective observational study elucidating long-term symptoms and complications of patients who underwent minimally invasive pectus excavatum repair with intercostal nerve cryoablation with specific attention to postoperative pain control associated with the cryoablation technique.

Methods: Surveys were administered to patients who underwent bar placement for pectus excavatum with intercostal nerve cryoablation from 2017 to 2021 regarding pain scores, pain medication usage, and limitations to activity beginning on the day of surgery, on the day of discharge, and at two-week and three-month follow-up.

Results: Of 110 patients, forty-eight (44%) completed the discharge survey; sharp pain and pressure on the first postoperative night were the most described pain characteristics, most frequently in the middle of the chest.

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Introduction: We previously conducted a randomized trial that showed a lack of need for esophagocrural (EC) sutures during fundoplication when no esophageal dissection was performed. There was no difference in wrap herniation or other complications in the group without EC sutures at a median 1.5 years of follow-up.

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Objectives:  With the rise of antibiotic resistance, the use of prophylactic preoperative antibiotics (PPA) has been questioned in cases with low rates of surgical site infection (SSI). We report PPA usage and SSI rates after elective laparoscopic cholecystectomy at our institution.

Materials And Methods:  A retrospective review of children younger than 18 years who underwent elective outpatient laparoscopic cholecystectomy between July 2010 and August 2020 was performed.

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Article Synopsis
  • Umbilical access in laparoscopic surgery for low-birth-weight infants and those under three months old can lead to complications, with carbon dioxide embolism being notably concerning.
  • A retrospective study from 2016 to 2019 reviewed 365 pediatric patients undergoing procedures, looking specifically for complications linked to umbilical access.
  • The study found a low complication rate of 2.5%, including minor issues like infections and one bowel injury, with no deaths or severe complications like CO embolism, suggesting that this technique is generally safe in neonates.
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Introduction: We previously developed an institutional, evidence-based fluid resuscitation protocol for neonates with infantile hypertrophic pyloric stenosis (HPS) based on the severity of electrolyte derangement on presentation. We aim to evaluate this protocol to determine its efficacy in reducing the number of preoperative lab draws, time to electrolyte correction, and overall length of stay.

Methods: A single center, retrospective review of 319 infants with HPS presenting with electrolyte derangement from 2008 to 2020 was performed; 202 patients managed pre-protocol (2008-2014) and 117 patients managed per our institutional fluid resuscitation algorithm (2016-2020).

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Studies on length of stay (LOS) per total body surface area (TBSA) burn in pediatric patients are often limited to single institutions and are grouped in ranges of TBSA burn which lacks specific detail to counsel patients and families. A LOS to TBSA burn ratio of 1 has been widely accepted but not validated with multi-institution data. The objective of this study is to describe the current relationship of LOS per TBSA burn and LOS per TBSA burn relative to burn mechanism with the use of multi-institutional data.

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Purpose: COVID-19 has prompted significant policy change, with critical attention to the conservation of personal protective equipment (PPE). An extended surgical mask use policy was implemented at our institution, allowing use of one disposable mask per each individual, per day, for all the cases. We investigate the clinical impact of this policy change and its effect on the rate of 30-day surgical site infection (SSI).

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Introduction: Botulinum toxin (BT) injections may play a role in preventing Hirschsprung associated enterocolitis (HAEC) episodes related to internal anal sphincter (IAS dysfunction). Our aim was to determine the association of outpatient BT injections for early obstructive symptoms on the development of HAEC.

Methods: A retrospective review of children who underwent definitive surgery for Hirschsprung disease (HSCR) from July 2010 - July 2020 was performed.

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Introduction: Stasis from obstruction at the level of the internal anal sphincter (IAS) can lead to Hirschsprung-associated enterocolitis (HAEC) and may be improved by botulinum toxin (BT) injections. Our aim was to determine if BT injection during HAEC episodes decreased the number of recurrent HAEC episodes and/or increased the interval between readmissions.

Methods: A retrospective review was performed of patients admitted for HAEC from January 2010 to December 2019.

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Introduction: There are many described technique to performing laparoscopic inguinal hernia repair in children. We describe our outcomes using a percutaneous internal ring suturing technique.

Methods: A retrospective review of patients under 18 years old who underwent repair between January 2014 - March 2019 was performed.

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Background: Accurate resuscitation of pediatric patients with large thermal injury is critical to achieving optimal outcomes. The goal of this project was to describe the degree of variability in resuscitation guidelines among pediatric burn centers and the impact on fluid estimates.

Methods: Five pediatric burn centers in the Pediatric Injury Quality Improvement Collaborative (PIQIC) contributed data from patients with ≥15% total body surface area (TBSA) burns treated from 2014 to 2018.

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Pediatric burn care is highly variable nationwide. Standardized quality and performance benchmarks are needed for guiding performance improvement within pediatric burn centers. A network of pediatric burn centers was established to develop and evaluate pediatric-specific best practices.

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Background: The treatment of asymptomatic non-occult pneumothoraces (ANOPTX) secondary to blunt chest trauma (BCT) has not been well delineated. We sought to analyze our experience with ANOPTX in pediatric trauma patients and determine if a chest tube (CT) is mandatory.

Methods: A retrospective chart review of patients < 17 years old with ANOPTX from BCT who presented to a level 1 trauma children's hospital, between January 2000 and June 2015 was performed.

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Purpose: Previous reports in the literature demonstrate racial and ethnic disparities for children diagnosed with acute appendicitis, with minorities experiencing worse outcomes. At our institution, we have developed an evidence based patient driven protocol for children following laparoscopic appendectomy. However, the influence of such protocol on mitigating racial and ethnic disparities in outcomes remains unknown.

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Background: Laparoscopic gastrostomy is a common procedure in children. We developed a same-day discharge (SDD) protocol for laparoscopic button gastrostomy.

Methods: We performed a prospective observational study of children undergoing laparoscopic button gastrostomy and were eligible for SDD from August 2017-September 2019.

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Background: Air transportation can be a life-saving transfer modality for trauma patients. However, it is also costly and carries risk for air-crews and patients. We sought to examine the incidence of air transportation among pediatric trauma patients as well as the rate of over-triage in utilizing this intervention.

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Introduction: Patients with Hirschsprung's disease (HSCR) remain at risk of developing Hirschsprung-associated enterocolitis (HAEC) after surgical intervention. As inpatient management remains variable, our institution implemented an algorithm directed at standardizing treatment practices. This study aimed to compare the outcomes of patients pre- and post-algorithm.

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Introduction: Firearm injuries remain a significant public health concern. As a Level 1 Pediatric Trauma Center with a wide and diverse catchment, we sought to define our own experience as well as identify the affected patient population.

Methods: A retrospective review was conducted utilizing our institution's trauma registry including all pediatric patients (age ≤ 17 years) who presented with a firearm injury between 2012 and 2017.

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