Publications by authors named "Ryan Nierstedt"

Traumatic brain injury (TBI) induces immune dysfunction that can be captured clinically by an increase in the neutrophil-to-lymphocyte ratio (NLR). However, few studies have characterized the temporal dynamics of NLR post-TBI and its relationship with hospital-acquired infections (HAI), resource utilization, or outcome. We assessed NLR and HAI over the first 21 days post-injury in adults with moderate-to-severe TBI ( = 196) using group-based trajectory (TRAJ), changepoint, and mixed-effects multivariable regression analysis to characterize temporal dynamics.

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Background: Opioid analgesics are overprescribed after surgery. In August 2018, the authors replaced routine discharge opioid prescription with a nonsteroidal anti-inflammatory drug (NSAID) for patients who had a lumpectomy or excisional biopsy (lump/ex). This study compared patient-reported post-discharge pain scores for patients treated before and after the change in routine discharge medication.

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Background: Invasive surgical procedures occur infrequently in an emergency department setting; however, procedural competence is expected from trauma residents. Emergent procedures are challenging to train in a formal manner because of the urgent nature when they present. To supplement education, new and creative teaching tools such as simulation and multidisciplinary training are being used.

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We report a case of fatal immune checkpoint inhibitor (ICI)-associated myocarditis in a 77-year-old man with metastatic non-small cell lung cancer (NSCLC) who presented for mediport placement at our outpatient surgical center. He denied any cardiac complaints and had a previously normal electrocardiogram (EKG) off treatment. Intraoperatively and postoperatively, he displayed cardiac rhythm abnormalities.

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Purpose: One of the most common procedures in the pediatric population is the placement of a gastrostomy tube. There are significant medical, emotional, and social implications for both patients and caregivers. We hypothesized that socioeconomic status had a significant impact on gastrostomy complications.

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Purpose: The purpose of this analysis was to determine if a correlation exists between socioeconomic status (SES) and pyloric stenosis (PS) as well as between PS and feeding method.

Methods: Data was collected retrospectively from the electronic medical record. Patients were included if they resided in a county in Illinois where our institution maintains >10% visit share, were < 1 year in age, and received a pyloromyotomy from January 2011 to May 2018.

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Background: Owing to the vulnerable nature of children, parental/caregiver engagement in surgical safety is a crucial aspect of care. Historically, the surgical safety process has been isolated from parent involvement. The digital, tablet-based surgical safety application, SafeStart, requires parent participation and provides multiple instances of verification of patient safety information from preoperative clinic visit, to perioperative care, and into the operating room.

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Laparoscopic appendectomy is the gold standard for treatment of acute appendicitis. The single-incision laparoscopic surgery (SILS) approach has gained widespread acceptance. This study evaluates the learning curve of contemporarily trained surgeons adopting SILS appendectomy and, more specifically, the safety of the operation during the early phase of this learning curve.

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Background: With similar effectiveness of ultrasonography, our institution replaced CT imaging with ultrasound for diagnosing appendicitis in children. An unexpected consequence was the overutilization of ultrasound. Our objective was to establish measures that could help prevent this overuse.

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Purpose: The treatment of gastroschisis (GS) using our collaborative clinical pathway, with immediate attempted abdominal closure and bowel irrigation with a mucolytic agent, was reviewed.

Methods: A retrospective review of the past 20 years of our clinical pathway was performed on neonates with GS repair at our institution. The clinical treatment includes attempted complete reduction of GS defect within 2 h of birth.

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