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Articles 151 - 180 of 434

Full-Text Articles in Surgery

Persistent Pediatric Breast Abscesses Following Initial Treatment At Tertiary And Community Centers, Derek Marlor, Kayla B. Briggs, Shai Stewart Md, Nelimar Cruz-Centeno, Charlene Dekonenko, Tolulope A. Oyetunji, Jason D. Fraser Feb 2023

Persistent Pediatric Breast Abscesses Following Initial Treatment At Tertiary And Community Centers, Derek Marlor, Kayla B. Briggs, Shai Stewart Md, Nelimar Cruz-Centeno, Charlene Dekonenko, Tolulope A. Oyetunji, Jason D. Fraser

Presentations

Introduction: Our institution previously reported on outcomes of children with untreated and not spontaneously draining breast abscesses. This study aimed to evaluate the outcomes of all patients with breast abscesses who were evaluated at our institution. Methods: Following IRB approval, all patients < 18-years-old with breast abscesses were included. A total of 145 patients treated from January 2008-December 2018 were identified. Patients were divided into 2 groups; Group 1 included patients initially evaluated at our institution and Group 2 included patients who were initially evaluated at referring centers. The primary outcome was disease persistence. Secondary outcomes were antibiotic utilization, number and type of procedures performed, and risk factors for recurrence. Statistical analysis was performed using STATA® 17 with a p-value of <0.05 indicating significance. Results: A total of 145 patients were identified: 111 (76.6%) in Group 1 and 34 (23.4%) in Group 2. Demographics were similar between groups. Of the 111 patients in Group 1, 2 (1.8%)) were treated with observation alone, 58 (52.3%) were treated with antibiotics alone, 26 (23.4%) were treated with aspiration, and 25 (22.5%) were treated with incision and drainage. Of the 34 patients in Group 2, 4 (11.8%) were treated initially with observation, 22 (64.7%) with antibiotics alone, 5 (14.7%) with manual expression, 2 (5.9%) with incision and drainage, and 1 (2.9%) with warm compresses. Patients in Group 1 were more likely to receive needle aspiration (23.4% vs. 0%; p<0.001) or incision and drainage (22.5.% vs. 5.9%; p<0.001) as initial treatment. Compared to Group 2, patients in Group 1 were more likely to be prescribed clindamycin when treated with antibiotics alone (69.9% vs 18.2%; p<0.001). They also had a 12.6% persistent disease rate (n=14). Second treatment in those with persistent disease included aspiration in 50% (n=7), incision and drainage 45.5% (n=5), antibiotics 7.1% (n=1), and manual expression 7.1% (n=1). No patients had persistent disease following second treatment. Patients in Group 2 were more likely to be treated with antibiotics alone (64.7% vs. 52.3%; p<0.001), with trimethoprim/sulfamethoxazole being the most commonly prescribed antibiotic (54.6%). In patients with persistent disease treated at our institution following initial evaluation at a referring center, 50.0% were treated with antibiotics alone, 26.5% with aspiration, 17.7% with incision and drainage, and 5.9% with manual expression. Following treatment at our institution, the rate of persistent disease was similar between groups (12.6% vs 11.8%;). Conclusions: Persistent breast abscesses may be treated with antibiotics alone in community and tertiary care centers. Disease persistence is similar regardless of the initial treatment setting.


Caesarean Section For Placenta Previa: A Retrospective Cohort Study Of Anaesthesia Techniques, Samina Ismail, Saima Rashid Feb 2023

Caesarean Section For Placenta Previa: A Retrospective Cohort Study Of Anaesthesia Techniques, Samina Ismail, Saima Rashid

Department of Anaesthesia

Objective: Placenta previa is associated with maternal and neonatal morbidity and mortality. This study aims to add to the limited literature from the developing world on the association of different anaesthetic techniques with blood loss, the need for blood transfusion, and maternal/ neonatal outcomes among women undergoing caesarean section with placenta previa.
Methods: This retrospective study was conducted at Aga University Hospital, Karachi, Pakistan. The patient population included parturients undergoing caesarean section for placenta previa from January 1, 2006, through December 31, 2019.
Results: Out of 276 consecutive cases of placenta previa progressing to caesarean section during the study period, …


Sex-Related Differences In Acuity And Postoperative Complications, Mortality And Failure To Rescue, Qi Yan, Jeongsoo Kim, Daniel E Hall, Myrick C Shinall, Katherine Moll Reitz, Karyn B Stitzenberg, Lillian S Kao, Chen-Pin Wang, Zhu Wang, Susanne Schmidt, Bradley B Brimhall, Laura S Manuel, Michael A Jacobs, Paula K Shireman Feb 2023

Sex-Related Differences In Acuity And Postoperative Complications, Mortality And Failure To Rescue, Qi Yan, Jeongsoo Kim, Daniel E Hall, Myrick C Shinall, Katherine Moll Reitz, Karyn B Stitzenberg, Lillian S Kao, Chen-Pin Wang, Zhu Wang, Susanne Schmidt, Bradley B Brimhall, Laura S Manuel, Michael A Jacobs, Paula K Shireman

Faculty, Staff and Student Publications

INTRODUCTION: Yentl syndrome describing sex-related disparities has been extensively studied in medical conditions but not after surgery. This retrospective cohort study assessed the association of sex, frailty, presenting with preoperative acute serious conditions (PASC), and the expanded Operative Stress Score (OSS) with postoperative complications, mortality, and failure-to-rescue.

METHODS: The National Surgical Quality Improvement Program from 2015 to 2019 evaluating 30-d complications, mortality, and failure-to-rescue.

RESULTS: Of 4,860,308 cases (43% were male; mean [standard deviation] age of 56 [17] y), 6.0 and 0.8% were frail and very frail, respectively. Frailty score distribution was higher in men versus women (P < 0.001). Most cases were low-stress OSS2 (44.9%) or moderate-stress OSS3 (44.5%) surgeries. While unadjusted 30-d mortality rates were higher (P < 0.001) in males (1.1%) versus females (0.8%), males had lower odds of mortality (adjusted odds ratio (aOR) = 0.92, 95% confidence interval [CI] = 0.90-0.94, P < 0.001) after adjusting for frailty, OSS, case status, PASC, and Clavien-Dindo IV (CDIV) complications. Males have higher odds of PASC (aOR = 1.33, CI = 1.31-1.35, P < 0.001) and CDIV complications (aOR = 1.13, CI = 1.12-1.15, P < 0.001). Male-PASC (aOR = 0.76, CI = 0.72-0.80, P < 0.001) and male-CDIV (aOR = 0.87, CI = 0.83-0.91, P < 0.001) interaction terms demonstrated that the increased odds of mortality associated with PASC or CDIV complications/failure-to-rescue were lower in males versus females.

CONCLUSIONS: Our …


Perforated Congenital Sigmoid Diverticula Of A Pediatric Patient, Tamir Bresler, Ryan Meyer, Kevin Palmer, Philip Frykman Jan 2023

Perforated Congenital Sigmoid Diverticula Of A Pediatric Patient, Tamir Bresler, Ryan Meyer, Kevin Palmer, Philip Frykman

Far West Division GME Research Day 2023

No abstract provided.


Healthcare Utilization Among Infants Discharged From The Neonatal Intensive Care Unit: A Descriptive Cost Analysis, Nutan B Hebballi, Elenir Bc Avritscher, Elisa Garcia, Andrew Bain, Marisa A Bartz-Kurycki, Kuojen Tsao, Mary T Austin Jan 2023

Healthcare Utilization Among Infants Discharged From The Neonatal Intensive Care Unit: A Descriptive Cost Analysis, Nutan B Hebballi, Elenir Bc Avritscher, Elisa Garcia, Andrew Bain, Marisa A Bartz-Kurycki, Kuojen Tsao, Mary T Austin

Faculty, Staff and Student Publications

The cost of readmissions of neonatal intensive care unit (NICU) graduates within 6 months and a year of their life is well-studied. However, the cost of readmissions within 90 days of NICU discharge is unknown. This study’s objective was to estimate the overall and mean cost of healthcare use for unplanned hospital visits of NICU graduates within 90 days of discharge A retrospective review of all infants discharged between 1/1/2017 and 03/31/2017 from a large hospital system NICUs was conducted. All unplanned hospital visits (readmissions or stand-alone emergency department (ED) visits) occurring within 90 days post NICU discharge were included. …


A Decade Of Blood-Brain Barrier Permeability Assays: Revisiting Old Traumatic Brain Injury Rat Data For New Insights And Experimental Design, Chris T Bolden, Scott D Olson, Charles S Cox Jan 2023

A Decade Of Blood-Brain Barrier Permeability Assays: Revisiting Old Traumatic Brain Injury Rat Data For New Insights And Experimental Design, Chris T Bolden, Scott D Olson, Charles S Cox

Faculty, Staff and Student Publications

Increased microvascular permeability at the level of the blood-brain barrier (BBB) often leads to vasogenic brain edema following traumatic brain injury (TBI). These pathologic conditions compromise the integrity of the neurovascular unit resulting in severe brain dysfunction. To quantify this permeability and assess ionic equillibrium, preclinical researchers have relied on the use of various molecular weight permeable dyes such as Evans Blue that normally cannot enter the brain parenchyma under homeostatic conditions. Evans Blue, the most cited of the molecular weight dyes, has reported reproducibility issues because of harsh extraction processes, suboptimal detection via absorbance, and wide excitation fluorescence spectra …


Hypofibrinogenemia Following Injury In 186 Children And Adolescents: Identification Of The Phenotype, Current Outcomes, And Potential For Intervention, Justin Gerard, Jan-Michael Van Gent, Jessica Cardenas, Christian Gage, David E Meyer, Charles Cox, Charles E Wade, Bryan A Cotton Jan 2023

Hypofibrinogenemia Following Injury In 186 Children And Adolescents: Identification Of The Phenotype, Current Outcomes, And Potential For Intervention, Justin Gerard, Jan-Michael Van Gent, Jessica Cardenas, Christian Gage, David E Meyer, Charles Cox, Charles E Wade, Bryan A Cotton

Faculty, Staff and Student Publications

OBJECTIVES: Recent studies evaluating fibrinogen replacement in trauma, along with newly available fibrinogen-based products, has led to an increase in debate on where products such as cryoprecipitate belong in our resuscitation strategies. We set out to define the phenotype and outcomes of those with hypofibrinogenemia and evaluate whether fibrinogen replacement should have a role in the initial administration of massive transfusion.

METHODS: All patients/17-4/21 were reviewed. We then evaluated all patients who received emergency-release and massive transfusion protocol (MTP) products. Patients were defined as hypofibrinogenemic (HYPOFIB) if admission fibrinogen(r-TEG) angleHYPOFIB, the impact on outcomes, and whether early replacement improved mortality. …


Vital Signs For Pediatric Health: Chronic Absenteeism, Sara B Johnson, Anne Edwards, Tina Cheng, Kelly J Kelleher, Jennifer Kaminski, Erin G Fox Jan 2023

Vital Signs For Pediatric Health: Chronic Absenteeism, Sara B Johnson, Anne Edwards, Tina Cheng, Kelly J Kelleher, Jennifer Kaminski, Erin G Fox

Faculty, Staff and Student Publications

No abstract provided.


Healthcare Utilization Among Infants Discharged From The Neonatal Intensive Care Unit: A Descriptive Cost Analysis, Nutan B Hebballi, Elenir Bc Avritscher, Elisa Garcia, Andrew Bain, Marisa A Bartz-Kurycki, Kuojen Tsao, Mary T Austin Jan 2023

Healthcare Utilization Among Infants Discharged From The Neonatal Intensive Care Unit: A Descriptive Cost Analysis, Nutan B Hebballi, Elenir Bc Avritscher, Elisa Garcia, Andrew Bain, Marisa A Bartz-Kurycki, Kuojen Tsao, Mary T Austin

Faculty, Staff and Student Publications

The cost of readmissions of neonatal intensive care unit (NICU) graduates within 6 months and a year of their life is well-studied. However, the cost of readmissions within 90 days of NICU discharge is unknown. This study's objective was to estimate the overall and mean cost of healthcare use for unplanned hospital visits of NICU graduates within 90 days of discharge A retrospective review of all infants discharged between 1/1/2017 and 03/31/2017 from a large hospital system NICUs was conducted. All unplanned hospital visits (readmissions or stand-alone emergency department (ED) visits) occurring within 90 days post NICU discharge were included. …


Inotropic Score And Vasoactive Inotropic Score As Predictors Of Outcomes In Congenital Diaphragmatic Hernia: A Single Center Retrospective Study, Srirupa Hari Gopal, Cynthia L Toy, Morcos Hanna, Betul Yilmaz Furtun, Joseph L Hagan, Ahmed A Nassr, Caraciolo J Fernandes, Sundeep Keswani, Sharada H Gowda Jan 2023

Inotropic Score And Vasoactive Inotropic Score As Predictors Of Outcomes In Congenital Diaphragmatic Hernia: A Single Center Retrospective Study, Srirupa Hari Gopal, Cynthia L Toy, Morcos Hanna, Betul Yilmaz Furtun, Joseph L Hagan, Ahmed A Nassr, Caraciolo J Fernandes, Sundeep Keswani, Sharada H Gowda

Faculty, Staff and Students Publications

BACKGROUND: Neonates with congenital diaphragmatic hernia (CDH) have varying degrees of pulmonary hypoplasia, pulmonary hypertension (PH) and cardiac dysfunction. These neonates frequently require vasoactive support and are at high risk for mortality and morbidity, including prolonged ventilator support, need for extracorporeal membrane oxygenation (ECMO), prolonged length of stay, and need for tracheostomy. However, identifying which infants are at increased risk can be challenging. In this study, we sought to investigate the utility of the inotropic score (IS) and vasoactive inotropic score (VIS) as tools to predict significant clinical outcomes and overall survival in patients with CDH. Additionally, we evaluated the …


Patient-Specific Analysis Of Aortic Hemodynamics And Wall Shear Stresses In Patients Undergoing Pediatric Bariatric Surgery Using 2d Phase-Contrast Mri, Oluwaferanmi S. Akande, Joao Soares, Nathan Hargan, Dr. Uyen Truong, Haeung Kang, David Lanning Jan 2023

Patient-Specific Analysis Of Aortic Hemodynamics And Wall Shear Stresses In Patients Undergoing Pediatric Bariatric Surgery Using 2d Phase-Contrast Mri, Oluwaferanmi S. Akande, Joao Soares, Nathan Hargan, Dr. Uyen Truong, Haeung Kang, David Lanning

Undergraduate Research Posters

Patient-Specific Analysis of Aortic Hemodynamics and Wall Shear Stresses in Patients Undergoing Pediatric Bariatric Surgery using 2D Phase-Contrast MRI

Feranmi Akande1 Nathan Hargan2 Haesung Kang3 David Lanning3 Uyen Truong4 João S. Soares1

1 Department of Biomedical Engineering, College of Engineering, Virginia Commonwealth University

2 Department of Mechanical & Nuclear Engineering, College of Engineering, Virginia Commonwealth University

3 Department of Cardiology, Children’s Hospital of Richmond, Virginia Commonwealth University

Introduction: Severe obesity among today’s youth is a rising epidemic within the United States. Emerging research has linked childhood obesity with shortened life expectancy and early …


Pertussis And Influenza Immunization: Perceived Attitude And Decision Of Postpartum Patients, Nutan B Hebballi, Tayler Parker, Elisa I Garcia, Dalya M Ferguson, Susan Lesser, Kuojen Tsao, Maryam Broussard, Susan H Wootton Dec 2022

Pertussis And Influenza Immunization: Perceived Attitude And Decision Of Postpartum Patients, Nutan B Hebballi, Tayler Parker, Elisa I Garcia, Dalya M Ferguson, Susan Lesser, Kuojen Tsao, Maryam Broussard, Susan H Wootton

Faculty, Staff and Student Publications

BACKGROUND: Vaccination of pregnant patients with tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis (Tdap) and influenza vaccine during influenza season can reduce maternal and fetal morbidity and mortality; nevertheless, vaccination rates remain suboptimal in this patient population. To investigate the effect of a brief educational counseling session on maternal Tdap and influenza vaccination and determine factors influencing women's decision in regards to receiving Tdap and or influenza vaccine during their pregnancy.

METHODS: A face-to-face semi-structured cross-sectional survey was administered to postpartum patients on their anticipated day of discharge (June 11-August 21, 2018). A brief educational counseling session about maternal …


Methylprednisolone For Heart Surgery In Infants - A Randomized, Controlled Trial, Kevin D Hill, Prince J Kannankeril, Jeffrey P Jacobs, H Scott Baldwin, Marshall L Jacobs, Sean M O'Brien, David P Bichel, Eric M Graham, Brian Blasiole, Ashraf Resheidat, Adil S Husain, S Ram Kumar, Jerry L Kirchner, Dianne S Gallup, Joseph W Turek, Mark Bleiweis, Bret Mettler, Alexis Benscoter, Eric Wald, Tara Karamlou, Andrew H Van Bergen, David Overman, Pirooz Eghtesady, Ryan Butts, John S Kim, John P Scott, Brett R Anderson, Michael F Swartz, Patrick I Mcconnell, David F Vener, Jennifer S Li, Stress Network Investigators Dec 2022

Methylprednisolone For Heart Surgery In Infants - A Randomized, Controlled Trial, Kevin D Hill, Prince J Kannankeril, Jeffrey P Jacobs, H Scott Baldwin, Marshall L Jacobs, Sean M O'Brien, David P Bichel, Eric M Graham, Brian Blasiole, Ashraf Resheidat, Adil S Husain, S Ram Kumar, Jerry L Kirchner, Dianne S Gallup, Joseph W Turek, Mark Bleiweis, Bret Mettler, Alexis Benscoter, Eric Wald, Tara Karamlou, Andrew H Van Bergen, David Overman, Pirooz Eghtesady, Ryan Butts, John S Kim, John P Scott, Brett R Anderson, Michael F Swartz, Patrick I Mcconnell, David F Vener, Jennifer S Li, Stress Network Investigators

Faculty, Staff and Students Publications

BACKGROUND: Although perioperative prophylactic glucocorticoids have been used for decades, whether they improve outcomes in infants after heart surgery with cardiopulmonary bypass is unknown.

METHODS: We conducted a multicenter, prospective, randomized, placebo-controlled, registry-based trial involving infants (age) undergoing heart surgery with cardiopulmonary bypass at 24 sites participating in the Society of Thoracic Surgeons Congenital Heart Surgery Database. Registry data were used in the evaluation of outcomes. The infants were randomly assigned to receive prophylactic methylprednisolone (30 mg per kilogram of body weight) or placebo, which was administered into the cardiopulmonary-bypass pump-priming fluid. The primary end point was a ranked composite …


Improving The Perioperative Experience Of Patients And Families In A Pediatric Setting, Anjanette Pong Dec 2022

Improving The Perioperative Experience Of Patients And Families In A Pediatric Setting, Anjanette Pong

Student Scholarly Projects

Practice Problem: The experience of surgery for pediatric patients and their families can be dependent on multiple factors including adequate preparation, English language proficiency and realistic expectations. Anxiety can contribute to a negative experience that may result in poor outcomes and a damaging reflection of the healthcare team and organization.

PICOT: The PICOT question that guided this project was: In preoperative pediatric patients and their families, how do therapeutic communication style and the provision of information about the perioperative experience affect their healthcare experience over eight weeks?

Evidence: A multi-modal approach to providing tailored preoperative education for the child and …


Evaluation Of Murine Host Sex As A Biological Variable In Transplanted Human Intestinal Organoid Development, Eoin P Mcneill, Vikas S Gupta, David J Sequeira, Noah F Shroyer, Allison L Speer Dec 2022

Evaluation Of Murine Host Sex As A Biological Variable In Transplanted Human Intestinal Organoid Development, Eoin P Mcneill, Vikas S Gupta, David J Sequeira, Noah F Shroyer, Allison L Speer

Faculty, Staff and Student Publications

Background: Human intestinal organoids (HIOs), when transplanted into immunocompromised mice (tHIOs), demonstrate significant growth and maturation. While both male and female mice are reported to be viable hosts for these experiments, a direct comparison of sex-related differences in tHIO structure and development has not been performed.

Aims: We sought to identify host sex-related differences in tHIO engraftment, morphology, and epithelial and mesenchymal development.

Methods: HIOs were generated in vitro and transplanted beneath the kidney capsule of NSG male and female mice. tHIOs were harvested at 8-9 weeks. Anthropometric measurements were captured. tHIOs were divided in half and histology or RT-qPCR …


Speech-Language Disorder Severity, Academic Success, And Socioemotional Functioning Among Multilingual And English Children In The United States: The National Survey Of Children’S Health, Martin L Blakely, Matthew A Rysavy, Kevin P Lally, Barry Eggleston, Claudia Pedroza, Jon E Tyson Nov 2022

Speech-Language Disorder Severity, Academic Success, And Socioemotional Functioning Among Multilingual And English Children In The United States: The National Survey Of Children’S Health, Martin L Blakely, Matthew A Rysavy, Kevin P Lally, Barry Eggleston, Claudia Pedroza, Jon E Tyson

Faculty, Staff and Student Publications

Randomized controlled trials (RCTs) are challenging, but are the studies most likely to change practice and benefit patients. RCTs investigating neonatal surgical therapies are rare. The Necrotizing Enterocolitis Surgery Trial (NEST) was the first surgical RCT conducted by the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) Neonatal Research Network (NRN), and multiple lessons were learned. NEST was conducted over a 7.25-year enrollment period and the primary outcome was death or neurodevelopmental impairment (NDI) at 18-22 months corrected age. Surgical investigators designing clinical trials involving neonatal surgical treatments have many considerations to include, including how to …


Investigation Of Murine Host Sex As A Biological Variable In Epithelial Barrier Function And Muscle Contractility In Human Intestinal Organoids, Brooke T Beanland, Eoin P Mcneill, David J Sequeira, Hasen Xue, Noah F Shroyer, Allison L Speer Nov 2022

Investigation Of Murine Host Sex As A Biological Variable In Epithelial Barrier Function And Muscle Contractility In Human Intestinal Organoids, Brooke T Beanland, Eoin P Mcneill, David J Sequeira, Hasen Xue, Noah F Shroyer, Allison L Speer

Faculty, Staff and Student Publications

Intestinal failure (IF) occurs when intestinal surface area or function is not sufficient to support digestion and nutrient absorption. Human intestinal organoid (HIO)-derived tissue-engineered intestine is a potential cure for IF. Research to date has demonstrated successful HIO transplantation (tHIO) into mice with significant in vivo maturation. An area lacking in the literature is exploration of murine host sex as a biological variable (SABV) in tHIO function. In this study, we investigate murine host SABV in tHIO epithelial barrier function and muscle contractility. HIOs were generated in vitro and transplanted into nonobese diabetic, severe combined immunodeficiency gamma chain deficient male …


Management Of Primary Spontaneous Pneumothorax: A Single Institution Protocol Analysis, Shai Stewart Md, James A. Fraser, Rebecca M. Rentea, Pablo Aguayo, David Juang, Jason D. Fraser, Charles L. Snyder, Richard J. Hendrickson, Tolulope A. Oyetunji, Shawn D. St.Peter Oct 2022

Management Of Primary Spontaneous Pneumothorax: A Single Institution Protocol Analysis, Shai Stewart Md, James A. Fraser, Rebecca M. Rentea, Pablo Aguayo, David Juang, Jason D. Fraser, Charles L. Snyder, Richard J. Hendrickson, Tolulope A. Oyetunji, Shawn D. St.Peter

Posters

Management of Primary Spontaneous Pneumothorax in Children: A Single Institution Protocol Analysis

Background: The Midwest Pediatric Surgery Consortium (MWPSC) has suggested a management algorithm to include simple aspiration of primary spontaneous pneumothorax (PSP), failing which, Video-Assisted Thoracoscopic Surgery (VATS) should be considered. We describe our outcomes in patients who have been managed with this suggested protocol.

Methods: An Institutional Review Board (IRB) approved, single institution retrospective analysis was conducted on all patients between 12 and 18 years who were diagnosed with PSP from 2016 to 2022. Initial management consisted of aspiration alone with a 12F Thal-Quick chest tube followed by …


Association Between Fetal Abdominal Growth Trajectories, Maternal Metabolite Signatures Early In Pregnancy, And Childhood Growth And Adiposity: Prospective Observational Multinational Interbio-21st Fetal Study, Jose Villar, Roseline Ochieng, Robert B. Gunier, Aris T. Papageorghiou, Stephen Rauch, Rose Mcgready, Julia M. Gauglitz, Fernando C. Barros, Manu Vatish, Shama Munim Oct 2022

Association Between Fetal Abdominal Growth Trajectories, Maternal Metabolite Signatures Early In Pregnancy, And Childhood Growth And Adiposity: Prospective Observational Multinational Interbio-21st Fetal Study, Jose Villar, Roseline Ochieng, Robert B. Gunier, Aris T. Papageorghiou, Stephen Rauch, Rose Mcgready, Julia M. Gauglitz, Fernando C. Barros, Manu Vatish, Shama Munim

Department of Obstetrics & Gynaecology

Background: Obesity predominantly affects populations in high-income countries and those countries facing epidemiological transition. The risk of childhood obesity is increased among infants who had overweight or obesity at birth, but in low-resource settings one in five infants are born small for gestational age. We aimed to study the relationships between: (1) maternal metabolite signatures; (2) fetal abdominal growth; and (3) postnatal growth, adiposity, and neurodevelopment.
Methods: In the prospective, multinational, observational INTERBIO-21st fetal study, conducted in maternity units in Pelotas (Brazil), Nairobi (Kenya), Karachi (Pakistan), Soweto (South Africa), Mae Sot (Thailand), and Oxford (UK), we enrolled women (≥18 years, …


Endoscopic Retrograde Cholangiography Using A Colonoscope In A Pediatric Liver Transplant Patient With Roux-En-Y Biliary Anastomosis, Nadia Ibrahimi, Thomas M. Attard, Ryan T. Fischer, Voytek Slowik, Richard J. Hendrickson, Bhargava Mullapudi, Moises Alatorre-Jimenez, Syed Jafri Oct 2022

Endoscopic Retrograde Cholangiography Using A Colonoscope In A Pediatric Liver Transplant Patient With Roux-En-Y Biliary Anastomosis, Nadia Ibrahimi, Thomas M. Attard, Ryan T. Fischer, Voytek Slowik, Richard J. Hendrickson, Bhargava Mullapudi, Moises Alatorre-Jimenez, Syed Jafri

Posters

Introduction: Biliary ducal sequelae including occlusions, strictures, leaks, or necrosis frequently complicate pediatric liver transplantation. The underlying etiology includes prolonged intraoperative ischemia or postoperative arterial inflow obstruction. In adult patients the role of endoscopic retrograde cholangiography (ERC) is well established in the management of biliary complications post-liver transplantation. In contrast, in the pediatric population, due to the combination of small patient size and the complexity of Roux-en-Y anastomotic techniques, ERC has been described as difficult or virtually impossible. This limits the options available for managing biliary duct complications to percutaneous techniques Endoscopic management of biliary complications in pediatric patients with …


A Hydrogen-Sulfide Derivative Of Mesalamine Reduces The Severity Of Intestinal And Lung Injury In Necrotizing Enterocolitis Through Endothelial Nitric Oxide Synthase, Brian D Hosfield, Chelsea E Hunter, Hongge Li, Natalie A Drucker, Anthony R Pecoraro, Krishna Manohar, W Christopher Shelley, Troy A Markel Oct 2022

A Hydrogen-Sulfide Derivative Of Mesalamine Reduces The Severity Of Intestinal And Lung Injury In Necrotizing Enterocolitis Through Endothelial Nitric Oxide Synthase, Brian D Hosfield, Chelsea E Hunter, Hongge Li, Natalie A Drucker, Anthony R Pecoraro, Krishna Manohar, W Christopher Shelley, Troy A Markel

Faculty, Staff and Student Publications

Necrotizing enterocolitis (NEC) remains a devastating disease that affects preterm infants. Hydrogen sulfide (H2S) donors have been shown to reduce the severity of NEC, but the optimal compound has yet to be identified. We hypothesized that oral H2S-Mesalamine (ATB-429) would improve outcomes in experimental NEC, and its benefits would be dependent on endothelial nitric oxide synthase (eNOS) pathways. NEC was induced in 5-day-old wild-type (WT) and eNOS knockout (eNOSKO) pups by formula feeding and stress. Four groups were studied in both WT and eNOSKO mice: 1) breastfed controls, 2) NEC, 3) NEC + 50 mg/kg mesalamine, and …


A Novel Approach To Assessment Of Us Pediatric Trauma System Development., Mary E. Fallat, Colin Traeger, Sophie Humphrey, Lindsey Gumer, Kahir Jawad, Elissa Butler, Frederick B. Rogers, Frederick P. Rivara, Amelia T. Collings Sep 2022

A Novel Approach To Assessment Of Us Pediatric Trauma System Development., Mary E. Fallat, Colin Traeger, Sophie Humphrey, Lindsey Gumer, Kahir Jawad, Elissa Butler, Frederick B. Rogers, Frederick P. Rivara, Amelia T. Collings

Faculty and Staff Scholarship

Importance Mature trauma systems are critical in building and maintaining national, state, and local resilience against all-hazard disasters. Currently, pediatric state trauma system plans are not standardized and thus are without concrete measures of potential effectiveness.

Objective To develop objective measures of pediatric trauma system capability at the state level, hypothesizing significant variation in capabilities between states, and to provide a contemporary report on the status of national pediatric trauma system planning and development.

Design, Setting, and Participants A national survey was deployed in 2018 to perform a gap analysis of state pediatric trauma system capabilities. Four officials from each …


An Enzymatically Cleavable Tripeptide Linker For Maximizing The Therapeutic Index Of Antibody-Drug Conjugates, Summer Y Y Ha, Yasuaki Anami, Chisato M Yamazaki, Wei Xiong, Candice M Haase, Scott D Olson, Jangsoon Lee, Naoto T Ueno, Ningyan Zhang, Zhiqiang An, Kyoji Tsuchikama Sep 2022

An Enzymatically Cleavable Tripeptide Linker For Maximizing The Therapeutic Index Of Antibody-Drug Conjugates, Summer Y Y Ha, Yasuaki Anami, Chisato M Yamazaki, Wei Xiong, Candice M Haase, Scott D Olson, Jangsoon Lee, Naoto T Ueno, Ningyan Zhang, Zhiqiang An, Kyoji Tsuchikama

Faculty, Staff and Student Publications

Valine-citrulline is a protease-cleavable linker commonly used in many drug delivery systems, including antibody-drug conjugates (ADC) for cancer therapy. However, its suboptimal in vivo stability can cause various adverse effects such as neutropenia and hepatotoxicity, leading to dose delays or treatment discontinuation. Here, we report that glutamic acid-glycine-citrulline (EGCit) linkers have the potential to solve this clinical issue without compromising the ability of traceless drug release and ADC therapeutic efficacy. We demonstrate that our EGCit ADC resists neutrophil protease-mediated degradation and spares differentiating human neutrophils. Notably, our anti-HER2 ADC shows almost no sign of blood and liver toxicity in healthy …


Breast Cancer In A Teenage Girl With Brca Mutation: A Case Report From A Low Middle-Income Country, Lubna Mushtaque Vohra, Danish Ali, Syeda Amrah Hashmi, Meher Angez Sep 2022

Breast Cancer In A Teenage Girl With Brca Mutation: A Case Report From A Low Middle-Income Country, Lubna Mushtaque Vohra, Danish Ali, Syeda Amrah Hashmi, Meher Angez

Section of General Surgery

Introduction: A staggering majority of pediatric breast masses are benign (mostly fibroadenoma) and so a biopsy is not readily performed as it can potentially lead to a future breast disfigurement. However, this should not be standard practice as this can lead to a delayed diagnosis, and hence, the treatment of pediatric breast cancer (BC); this was also seen in our patient's scenario.
Case history: Here, we report the case of the youngest known breast cancer patient in Pakistan, a 15-year-old girl. The right-sided breast lump which was diagnosed clinically as a fibroadenoma later turned out to be stage IIb pT3N0M0 …


Limited Utility Of Structural Mri To Identify The Epileptogenic Zone In Young Children With Tuberous Sclerosis, Maaike Nijman, Edward Yang, Camilo Jaimes, Anna K Prohl, Mustafa Sahin, Darcy A Krueger, Joyce Y Wu, Hope Northrup, Scellig S D Stone, Joseph R Madsen, Aria Fallah, Jeffrey P Blount, Howard L Weiner, Leslie Grayson, E Martina Bebin, Brenda E Porter, Simon K Warfield, Sanjay P Prabhu, Jurriaan M Peters, Tacern Study Group Sep 2022

Limited Utility Of Structural Mri To Identify The Epileptogenic Zone In Young Children With Tuberous Sclerosis, Maaike Nijman, Edward Yang, Camilo Jaimes, Anna K Prohl, Mustafa Sahin, Darcy A Krueger, Joyce Y Wu, Hope Northrup, Scellig S D Stone, Joseph R Madsen, Aria Fallah, Jeffrey P Blount, Howard L Weiner, Leslie Grayson, E Martina Bebin, Brenda E Porter, Simon K Warfield, Sanjay P Prabhu, Jurriaan M Peters, Tacern Study Group

Faculty, Staff and Students Publications

BACKGROUND AND PURPOSE: The success of epilepsy surgery in children with tuberous sclerosis complex (TSC) hinges on identification of the epileptogenic zone (EZ). We studied structural MRI markers of epileptogenic lesions in young children with TSC.

METHODS: We included 26 children with TSC who underwent epilepsy surgery before the age of 3 years at five sites, with 12 months or more follow-up. Two neuroradiologists, blinded to surgical outcome data, reviewed 10 candidate lesions on preoperative MRI for characteristics of the tuber (large affected area, calcification, cyst-like properties) and of focal cortical dysplasia (FCD) features (cortical malformation, gray-white matter junction blurring, …


The Global Network Socioeconomic Status Index As A Predictor Of Stillbirths, Perinatal Mortality, And Neonatal Mortality In Rural Communities In Low And Lower Middle Income Country Sites Of The Global Network For Women's And Children's Health Research, Archana B. Patel, Carla M. Bann, Cherryl S. Kolhe, Adrien Lokangaka, Antoinette Tshefu, Melissa Bauserman, Lester Figueroa, Nancy F. Krebs, Fabian Esamai, Sarah Saleem Aug 2022

The Global Network Socioeconomic Status Index As A Predictor Of Stillbirths, Perinatal Mortality, And Neonatal Mortality In Rural Communities In Low And Lower Middle Income Country Sites Of The Global Network For Women's And Children's Health Research, Archana B. Patel, Carla M. Bann, Cherryl S. Kolhe, Adrien Lokangaka, Antoinette Tshefu, Melissa Bauserman, Lester Figueroa, Nancy F. Krebs, Fabian Esamai, Sarah Saleem

Community Health Sciences

Background: Globally, socioeconomic status (SES) is an important health determinant across a range of health conditions and diseases. However, measuring SES within low- and middle-income countries (LMICs) can be particularly challenging given the variation and diversity of LMIC populations.
Objective: The current study investigates whether maternal SES as assessed by the newly developed Global Network-SES Index is associated with pregnancy outcomes (stillbirths, perinatal mortality, and neonatal mortality) in six LMICs: Democratic Republic of the Congo, Guatemala, India, Kenya, Pakistan, and Zambia.
Methods: The analysis included data from 87,923 women enrolled in the Maternal and Newborn Health Registry of the NICHD-funded …


Surgical Extraction Of Traumatic Lodgment Of A Pen Nib Between The Eye And Nasal Bridge Of An Infant: A Case Report, Krishna Shah, Vaishali Prajapati, Smeet Desai, Karishma Dhaval Desai, Mayur B Wanjari, Deepika Singhal Aug 2022

Surgical Extraction Of Traumatic Lodgment Of A Pen Nib Between The Eye And Nasal Bridge Of An Infant: A Case Report, Krishna Shah, Vaishali Prajapati, Smeet Desai, Karishma Dhaval Desai, Mayur B Wanjari, Deepika Singhal

Faculty, Staff and Students Publications

Unintentional eye injuries are common in small children. If left unobserved by parents or caretakers, it is challenging to assess as the kids are in distress and pain. Penetrating trauma in or near the eye requires urgent treatment as it can lead to infection and other complications. Early diagnosis and management help avoid further complications. An 11-month-old female was presented by her parents at a tertiary care clinic with inconsolable crying and swelling over the right eye's upper lid for one day. There was a history of possible trauma with a pen while the child was playing. During the examination, …


Association Of Gangrenous, Suppurative, And Exudative Findings With Outcomes And Resource Utilization In Children With Nonperforated Appendicitis, Shannon L Cramm, Aaron M Lipskar, Dionne A Graham, Shaun M Kunisaki, Cornelia L Griggs, Myron Allukian, Robert T Russell, Nicole M Chandler, Matthew T Santore, Danielle I Aronowitz, Martin L Blakely, Brendan Campbell, Devon T Collins, Sarah J Commander, Robert A Cowles, Jennifer R Defazio, Justice C Echols, Joseph R Esparaz, Christina Feng, Richard A Guyer, David N Hanna, Katherine He, Anastasia M Kahan, Olivia A Keane, Abdulraouf Lamoshi, Carla M Lopez, Sean E Mclean, Elizabeth Pace, Maia D Regan, Stefan Scholz, Elisabeth T Tracy, Sasha A Williams, Lucy Zhang, Shawn J Rangel Aug 2022

Association Of Gangrenous, Suppurative, And Exudative Findings With Outcomes And Resource Utilization In Children With Nonperforated Appendicitis, Shannon L Cramm, Aaron M Lipskar, Dionne A Graham, Shaun M Kunisaki, Cornelia L Griggs, Myron Allukian, Robert T Russell, Nicole M Chandler, Matthew T Santore, Danielle I Aronowitz, Martin L Blakely, Brendan Campbell, Devon T Collins, Sarah J Commander, Robert A Cowles, Jennifer R Defazio, Justice C Echols, Joseph R Esparaz, Christina Feng, Richard A Guyer, David N Hanna, Katherine He, Anastasia M Kahan, Olivia A Keane, Abdulraouf Lamoshi, Carla M Lopez, Sean E Mclean, Elizabeth Pace, Maia D Regan, Stefan Scholz, Elisabeth T Tracy, Sasha A Williams, Lucy Zhang, Shawn J Rangel

Faculty, Staff and Student Publications

IMPORTANCE: The clinical significance of gangrenous, suppurative, or exudative (GSE) findings is poorly characterized in children with nonperforated appendicitis.

OBJECTIVE: To evaluate whether GSE findings in children with nonperforated appendicitis are associated with increased risk of surgical site infections and resource utilization.

DESIGN, SETTING, AND PARTICIPANTS: This multicenter cohort study used data from the Appendectomy Targeted Database of the American College of Surgeons Pediatric National Surgical Quality Improvement Program, which were augmented with operative report data obtained by supplemental medical record review. Data were obtained from 15 hospitals participating in the Eastern Pediatric Surgery Network (EPSN) research consortium. The study …


A Pilot Study To Determine The Incidence, Type, And Severity Of Non-Routine Events In Neonates Undergoing Gastrostomy Tube Placement, Daniel J France, Emma Schremp, Evan B Rhodes, Jason Slagle, Sarah Moroz, Peter H Grubb, Leon D Hatch, Matthew Shotwell, Amanda Lorinc, Jamie Robinson, Marlee Crankshaw, Timothy Newman, Matthew B Weinger, Martin L Blakely Jul 2022

A Pilot Study To Determine The Incidence, Type, And Severity Of Non-Routine Events In Neonates Undergoing Gastrostomy Tube Placement, Daniel J France, Emma Schremp, Evan B Rhodes, Jason Slagle, Sarah Moroz, Peter H Grubb, Leon D Hatch, Matthew Shotwell, Amanda Lorinc, Jamie Robinson, Marlee Crankshaw, Timothy Newman, Matthew B Weinger, Martin L Blakely

Faculty, Staff and Student Publications

BACKGROUND: Non-routine events (NRE) are defined as any suboptimal occurrences in a process being measured in the opinion of the reporter and comes from the field of human factors engineering. These typically occur well up-stream of an adverse event and NRE measurement has not been applied to the complex context of neonatal surgery. We sought to apply this novel safety event measurement methodology to neonates in the NICU undergoing gastrostomy tube placement.

METHODS: A prospective pilot study was conducted between November 2016 and August 2020 in the Level IV NICU and the pediatric operating rooms of an urban academic children's …


Infant Prostatic Rhabdomyosarcoma: A Diagnostic And Therapeutic Challenge, Sohail Dhanji, Leonardo D Borregales, Nicolette K Janzen, Guilherme Godoy, Maren Y Fuller, Jason K Au Jul 2022

Infant Prostatic Rhabdomyosarcoma: A Diagnostic And Therapeutic Challenge, Sohail Dhanji, Leonardo D Borregales, Nicolette K Janzen, Guilherme Godoy, Maren Y Fuller, Jason K Au

Faculty, Staff and Student Publications

The following case report describes a case of prostatic rhabdomyosarcoma in a 6-month-old male who presented with urinary retention and constipation. MRI showed a prostatic mass that was displacing the rectum and bladder, leading to bladder outlet obstruction. A suprapubic tube was placed for urinary diversion and a transvesical approach was used for tissue diagnosis. Biopsy confirmed the diagnosis of prostatic rhabdomyosarcoma. Patient underwent chemotherapy regiment with VAC (vincristine, actinomycin D and cyclophosphamide) and subsequently ifosfamide and doxorubicin. Eventually, due to tumor progression, the patient underwent a radical cystoprostatectomy with pelvic lymph node dissection and ileal conduit.