Publications by authors named "Ignacio R"

Introduction: We sought to understand the impact of locum tenens surgeons on pediatric surgical care delivery.

Methods: We conducted a cross-sectional survey of Children's Hospital Association pediatric surgical practices. Anonymous electronic surveys were used to investigate locum tenens utilization, primary reason for use, limitations on clinical activities, and variations in practice standards or quality.

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Background: There are few evidence-based guidelines for perioperative antibiotic management in neonates who undergo enteric operations. We sought to assess antibiotic administration practices in a large population of patients who underwent operations involving enteric anastomoses and evaluate the incidence of postoperative infection and other outcomes based on antibiotic approach.

Methods: The Pediatric Health Information Systems database was queried for patients who underwent repair of esophageal, duodenal or jejuno-ileal atresia in 2021.

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Introduction: In stable children with penetrating abdominal trauma, literature regarding the use of laparoscopy (LAP) remains limited. Given increasing evidence in favor of LAP for selective adult trauma patients, we reviewed contemporary practices and outcomes in pediatric trauma patients.

Methods: The American College of Surgeons (ACS) Trauma Quality Programs data was utilized to identify children (<18 years) from 2016 to 2021 with a penetrating abdominal injury who underwent surgery within 24 h of admission.

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Background: Choledocholithiasis in children is commonly managed with an "endoscopy-first" (EF) strategy (endoscopic retrograde cholangiopancreatography (ERCP) followed by laparoscopic cholecystectomy (LC)). Because ERCP availability is often limited at the end of the week (EoW), we hypothesized that a "surgery-first" (SF) approach (LC with intraoperative cholangiogram (IOC) ± transcystic laparoscopic common bile exploration (LCBDE)) would decrease length of stay (LOS) and time to definitive intervention (TTDI).

Methods: A multicenter, retrospective cohort study was conducted on pediatric patients from 2018 to 2023 with suspected choledocholithiasis.

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Background: In this study, we compared outcomes between intracranial pressure monitoring (ICP) only versus ventriculostomy (VT) using a nationwide database of pediatric trauma patients.

Methods: Pediatric patients (<18 years) with severe blunt TBI who underwent ICP monitoring with or without VT were identified from the 2017-2021 ACS Trauma Quality Programs. We excluded patients who experienced death or craniotomy/craniectomy within 48 h.

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Background: In adults, upfront intraoperative cholangiogram with laparoscopic common bile duct exploration (LCBDE) is well accepted for management of choledocholithiasis. Despite recent evidence supporting LCBDE utility in children, there has been hesitation to adopt this surgery first (SF) approach over ERCP first (EF) due to perceived technical challenges. We compared rates of successful stone clearance during LCBDE between adult and pediatric patients to evaluate if pediatric surgeons could anticipate similar rates of successful clearance.

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Introduction: Infants with esophageal atresia and tracheoesophageal fistula (EA/TEF) are at increased risk for respiratory compromise and gastric perforation until fistula ligation. We sought to describe current practice regarding the timing of EA/TEF repair and hypothesized that age at repair is a predictor of adverse outcomes.

Methods: The Pediatric Health Information System (PHIS) database was used to identify patients with EA/TEF who underwent fistula ligation and esophago-esophagostomy at US children's hospitals from July 2016-June 2021.

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Background: Choledocholithiasis in children is rising and frequently managed with an endoscopy-first (EF) approach that utilizes endoscopic retrograde cholangiopancreatography (ERCP) followed by laparoscopic cholecystectomy (LC). Magnetic resonance cholangiopancreatography (MRCP) is a resource intensive modality that often precedes ERCP to gain further assurance of choledocholithiasis prior to intervention. MRCP can lead to a longer length of stay (LOS) and strain healthcare resources.

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Background: Treatment of choledocholithiasis with laparoscopic cholecystectomy (LC) and intraoperative cholangiogram (IOC) ± transcystic laparoscopic common bile duct exploration (LCBDE) is associated with fewer procedures and shorter length of stay (LOS) compared to preoperative endoscopic retrograde cholangiopancreatography (ERCP) followed by LC. Fluoroscopy is required for both LCBDE and ERCP but fluoroscopic time (FT) and radiation dose (RD) in LCBDE has not been studied.

Methods: The Choledocholithiasis Alliance for Research, Education, and Surgery (CARES) Working Group conducted this retrospective study on pediatric patients with suspected choledocholithiasis who received IOC.

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HiChIP enables cost-effective and high-resolution profiling of regulatory and structural loops. To leverage the increasing number of publicly available HiChIP datasets from diverse cell lines and primary cells, we developed the Loop Catalog (https://loopcatalog.lji.

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Non-accidental trauma (NAT) is a major cause of morbidity and mortality for children around the world and most significantly impacts children under one year of age. Prompt and comprehensive treatment of these children relies on a high index of suspicion from any medical provider that treats pediatric patients. This review discusses those most at risk for experiencing NAT, and common initial presentations, to assist providers in the identification of potential victims.

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Article Synopsis
  • A study evaluated the effectiveness of various large language model (LLM)-linked chatbots in giving recommendations for the surgical treatment of gastroesophageal reflux disease (GERD), based on guidelines from the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES).
  • Different chatbots like ChatGPT-4, Copilot, Google Bard, and Perplexity AI were tested on specific patient cases, measuring how accurately their recommendations matched the SAGES guidelines.
  • Results showed varying accuracy rates, with Google Bard performing best for surgeons (85.7%) and ChatGPT-4 being the most accurate for patients (60%), indicating the potential and limitations of LLMs in clinical settings, and highlighting the need for better training with
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Article Synopsis
  • Clinical clearance of a child's cervical spine after trauma is difficult due to unreliable neurologic exams; LSMRI may help by providing a quicker, anesthesia-free alternative to standard MRI for detecting ligamentous injuries.
  • A study conducted over five years across 10 centers evaluated 2,663 children and found that LSMRI had a sensitivity and negative predictive value of over 99% for detecting cervical spine injuries and 100% for unstable injuries.
  • The findings support the use of limited-sequence MRI to effectively rule out significant injuries, suggesting that trauma centers implement LSMRI protocols to reduce the need for anesthesia and MRI times.
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Background: Nonaccidental trauma (NAT), or child abuse, is a leading cause of childhood injury and death in the US. Studies demonstrate that military-affiliated individuals are at greater risk of mental health complication and family violence, including child maltreatment. There is limited information about the outcomes of military children who experience NAT.

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Introduction: Studies of adults undergoing lung resection indicated that selective omission of pleural drains is safe and advantageous. Significant practice variation exists for pleural drainage practices for children undergoing lung resection. We surveyed pediatric surgeons in a 10-hospital research consortium to understand decision-making for placement of pleural drains following lung resection in children.

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Objective: Our objective was to determine the utility of enteral contrast-based protocols in the diagnosis and management of adhesive small bowel obstruction (ASBO) for children.

Background: Enteral contrast-based protocols for adults with ASBO are associated with decreased need for surgery and shorter hospitalization. Pediatric-specific data are limited.

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Little is known about hospitalization in other types of interstitial lung disease (ILD) besides idiopathic pulmonary fibrosis (IPF). To determine the frequency of hospitalizations in various types of ILD and elucidate the association of hospitalization with outcomes. An analysis of the Pulmonary Fibrosis Foundation Patient Registry data was performed.

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Background: We aimed to identify factors associated with postoperative prescription opioid use in adolescents.

Methods: Adolescents aged 13-20 years undergoing surgery were prospectively recruited from a children's hospital. Adolescent-parent dyads completed a preoperative survey, measuring clinical and sociodemographic factors, and two postoperative surveys evaluating self-reported opioid use at 30- and 90-days.

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Background: Our objective was to better understand the natural history and disease modifiers of Alpha-1-antitrypsin deficiency (AATD), a common genetic liver disease causing hepatitis and cirrhosis in adults and children. The clinical course is highly variable. Some infants present with neonatal cholestasis, which can resolve spontaneously or progress to cirrhosis; others are well in infancy, only to develop portal hypertension later in childhood.

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Background: Historically, cholecystectomy is infrequently performed in children. Lifestyle changes, delays in healthcare access, and increases in childhood obesity occurred during the COVID-2019 pandemic. It is unclear whether these changes impacted pediatric gallbladder disease and the need for cholecystectomy.

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Background: Healthcare-associated pressure injuries (HAPI) are known to be associated with medical devices and are preventable. Cervical spine immobilization is commonly utilized in injured children prior to clinical clearance or for treatment of an unstable cervical spinal injury. The frequency of HAPI has been quantified in adults with cervical spine immobilization but has not been well-described in children.

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Introduction: There is limited literature on the optimal approach to treat adhesive small bowel obstruction (ASBO) in children. We sought to compare rates and outcomes of laparoscopic (LAP) and open (OPEN) surgery for pediatric ASBO.

Methods: A California statewide database was used to identify children (<18 years old) with an index ASBO from 2007 to 2020.

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