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Gimelraikh Y, Epstein D, Radomislensky I, Lipsky AM, Givon A, Berant R, Berzon B, Raz A, Ben-Eli D, Bodas M, Samuel N. Identification of severely injured children at very low risk of emergent surgery: A national trauma registry study. Injury 2024:111678. [PMID: 38942725 DOI: 10.1016/j.injury.2024.111678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 06/11/2024] [Accepted: 06/11/2024] [Indexed: 06/30/2024]
Abstract
OBJECTIVE The number of pediatric trauma patients requiring surgical interventions has been steadily decreasing allowing for a judicious approach to immediately available resources. This study aimed to derive and validate a prediction rule that reliably identifies injured children who are at very low risk for requiring emergency surgery upon emergency department (ED) arrival. METHODS A retrospective cohort study of data included in the Israeli National Trauma Registry from January 1, 2011, through December 31, 2020, was conducted. We included children aged 0-14 years who presented to EDs from the scene of injury and were hospitalized. We excluded patients transferred between facilities or with isolated burns. The primary outcome was emergency operative intervention (EOI) performed within one hour of ED arrival. We tested mechanism, GCS, heart rate, and blood pressure as candidate predictors. We then randomized patients to two cohorts, derived and internally validated a prediction rule. RESULTS During the study period, 83,859 children met enrollment criteria. The median age was 6 years (IQR 2-10) and 56,867 (67.8 %) were male; 75,450 (90.0 %) sustained blunt trauma. One hundred sixty-nine (0.20 %) children underwent EOI. In the derivation and validation cohorts, 34,138 (81.4 %) and 34,271 (81.7 %) patients, were classified as low risk based on blunt trauma mechanism, normal GCS (15), and low-risk heart rate (according to age). Of those, 8 (0.02 %) and 13 (0.04 %) required an EOI, respectively. In the validation cohort, the prediction rule for EOI had a sensitivity of 84 % (95 % CI 75-91), a specificity of 82 % (95 % CI 81-82), and a negative predictive value of 99.96 % (95 % CI 99.94-99.98). Among children with an Injury Severity Score>15, the sensitivity was 87 % (95 % CI 77-94), the specificity of 57 % (95 % CI 54-59), and the negative predictive value was 98.97 % (95 % CI 98.13-99.44). CONCLUSIONS A limited set of physiologic parameters, readily available at hospital admission can effectively identify injured children at very low risk for emergent surgery. For these children, immediate deployment of surgical resources may not be necessary.
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Affiliation(s)
- Yulia Gimelraikh
- Emergency Department, Shaare Zedek Medical Center, Jerusalem, Israel; Emergency Department, Schneider Children's Medical Center of Israel, Petah Tikva, Israel
| | - Danny Epstein
- Critical Care Division, Rambam Health Care Campus, Haifa, Israel; The Ruth and Bruce Rappaport Faculty of Medicine, Technion IT, Haifa, Israel.
| | - Irina Radomislensky
- The National Center for Trauma & Emergency Medicine Research, The Gertner Institute for Epidemiology and Health Policy Research, Sheba Medical Center, Tel Hashomer, Israel
| | - Ari M Lipsky
- The Ruth and Bruce Rappaport Faculty of Medicine, Technion IT, Haifa, Israel; Emergency Department, Emek Medical Center, Afula, Israel
| | - Adi Givon
- The National Center for Trauma & Emergency Medicine Research, The Gertner Institute for Epidemiology and Health Policy Research, Sheba Medical Center, Tel Hashomer, Israel
| | - Ron Berant
- Emergency Department, Schneider Children's Medical Center of Israel, Petah Tikva, Israel
| | - Baruch Berzon
- Emergency Department, Samson Assuta Hospital, Ashdod, Israel
| | - Aeyal Raz
- The Ruth and Bruce Rappaport Faculty of Medicine, Technion IT, Haifa, Israel; Anesthesiology Division, Rambam Health Care Campus, Haifa, Israel
| | - Danny Ben-Eli
- Major Trauma Service, The Alfred Hospital, Melbourne, Australia; Faculty of Medicine, Monash University, Melbourne, Australia; National Trauma Research Institute, Melbourne, Australia
| | - Moran Bodas
- The National Center for Trauma & Emergency Medicine Research, The Gertner Institute for Epidemiology and Health Policy Research, Sheba Medical Center, Tel Hashomer, Israel; Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Nir Samuel
- Emergency Department, Schneider Children's Medical Center of Israel, Petah Tikva, Israel; Major Trauma Service, The Alfred Hospital, Melbourne, Australia; Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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Lyttle BD, Williams RF, Stylianos S. Management of Pediatric Solid Organ Injuries. CHILDREN (BASEL, SWITZERLAND) 2024; 11:667. [PMID: 38929246 PMCID: PMC11202015 DOI: 10.3390/children11060667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2024] [Revised: 05/24/2024] [Accepted: 05/26/2024] [Indexed: 06/28/2024]
Abstract
Solid organ injury (SOI) is common in children who experience abdominal trauma, and the management of such injuries has evolved significantly over the past several decades. In 2000, the American Pediatric Surgical Association (APSA) published the first societal guidelines for the management of blunt spleen and/or liver injury (BLSI), advocating for optimized resource utilization while maintaining patient safety. Nonoperative management (NOM) has become the mainstay of treatment for SOI, and since the publication of the APSA guidelines, numerous groups have evaluated how invasive procedures, hospitalization, and activity restrictions may be safely minimized in children with SOI. Here, we review the current evidence-based management guidelines in place for the treatment of injuries to the spleen, liver, kidney, and pancreas in children, including initial evaluation, inpatient management, and long-term care, as well as gaps that exist in the current literature that may be targeted for further optimization of protocols for pediatric SOI.
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Affiliation(s)
- Bailey D. Lyttle
- Department of Surgery, University of Colorado School of Medicine and Children’s Hospital Colorado, 12631 East 17th Avenue, Room 6111, Aurora, CO 80045, USA;
| | - Regan F. Williams
- Department of Surgery, Le Bonheur Children’s Hospital, 49 North Dunlap Avenue, Second Floor, Memphis, TN 38105, USA;
| | - Steven Stylianos
- Division of Pediatric Surgery, Columbia University Vagelos College of Physicians & Surgeons, Morgan Stanley Children’s Hospital, 3959 Broadway—Rm 204 N, New York, NY 10032, USA
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Strahl A, Willemsen JF, Schoof B, Reinshagen K, Frosch KH, Wintges K. The paediatric polytrauma CT-indication (PePCI)-score-Development of a prognostic model to reduce unnecessary CT scans in paediatric trauma patients. Injury 2024; 55:111494. [PMID: 38521635 DOI: 10.1016/j.injury.2024.111494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 02/03/2024] [Accepted: 03/07/2024] [Indexed: 03/25/2024]
Abstract
BACKGROUND Whole-Body CT (WBCT) is frequently used in emergency situations for promptly diagnosing paediatric polytrauma patients, given the challenges associated with obtaining precise details about the mechanism and progression of trauma. However, WBCT does not lead to reduced mortality in paediatric patients, but is associated with high radiation exposure. We therefore wanted to develop a screening tool for CT demand-driven emergency room (ER)-trauma diagnostic to reduce radiation exposure in paediatric patients. METHODS A retrospective study in a Level I trauma centre in Germany was performed. Data from 344 paediatric emergency patients with critical mechanism of injury who were pre-announced by the ambulance for the trauma room were collected. Patients' symptoms, clinical examination, extended Focused Assessment with Sonography for Trauma (eFAST), routinely, laboratory tests and blood gas and - when obtained - WBCT images were analysed. To identify potential predictors of severe injuries (ISS > 23), 300 of the 344 cases with complete data were subjected to regression analyses model. RESULTS Multiple regression analysis identified cGCS, base excess (BE), medically abnormal results from eFAST screening, initial unconsciousness, and injuries involving three or more body regions as significant predictors for a screening tool for decision-making to perform WBCT or selective CT. The developed Paediatric polytrauma CT-Indication (PePCI)-Score was divided into three risk categories and achieved a sensitivity of 87 % and a specificity of 71 % when comparing the low and medium risk groups with the high risk group. Comparing only the low-risk group with the high-risk group for the decision to perform WBCT, 32/35 (91 %) of patients with an ISS >23 were correctly identified, as were 124/137 (91 %) with lower ISS scores. CONCLUSION With the newly developed PePCI-Score, the frequency of WBCT in a paediatric emergency patients collective can be significantly reduced according to our data. After prospective validation, the initial assessment of paediatric trauma patients in the future could be made not only by the mechanism of injury, but also by the new PePCI-Score, deriving on clinical findings after thorough clinical assessment and the discretion of the trauma team.
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Affiliation(s)
- André Strahl
- Department of Trauma and Orthopaedic Surgery, Division of Orthopeadics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Jan Fritjof Willemsen
- Department of Paediatric Surgery, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany
| | - Benjamin Schoof
- Department of Paediatric Surgery, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany; Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Konrad Reinshagen
- Department of Paediatric Surgery, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany
| | - Karl-Heinz Frosch
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; Department of Trauma Surgery, Orthopedics and Sportstraumatology, BG Hospital Hamburg, 21033 Hamburg, Germany
| | - Kristofer Wintges
- Department of Paediatric Surgery, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany.
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Lamoshi A, Lay R, Wakeman D, Edwards M, Wallenstein K, Fabiano T, Singh Z, Zipkin J, Park S, Yu J, Chess M, Vali K. Validation of the predictive model for operative intervention after blunt abdominal trauma in children with equivocal computed tomography findings: a multi-institutional study. Pediatr Surg Int 2024; 40:39. [PMID: 38270628 DOI: 10.1007/s00383-023-05616-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/12/2023] [Indexed: 01/26/2024]
Abstract
BACKGROUND We recently developed a preliminary predictive model identifying clinical and radiologic factors associated with the need for surgery following blunt abdominal trauma (BAT) in children. Our aim in this study was to further validate the factors in this predictive model in a multi-institutional study. METHODS A retrospective chart review of pediatric patients from five pediatric trauma centers who experienced BAT between 2011 and 2020 was performed. Patients under 18 years of age who had BAT and computed tomography (CT) abdomen imaging were included. Children with evidence of pneumoperitoneum, and hemodynamic instability were excluded. Fisher's exact test was used for statistical analysis of the association between the following risk factors and need for laparotomy: abdominal wall bruising (AWB), abdominal pain/tenderness (APT), thoracolumbar fracture (TLF), presence of free fluid (FF), presence of solid organ injury (SOI). A predictive logistic regression model was then estimated employing these factors. FINDINGS Seven hundred thirty-four patients were identified in this multi-institutional dataset with BAT and abdominal CT imaging, and 726 were included. Of those, 59 underwent surgical intervention (8.8%). Univariate analysis of association between the studied factors and need for surgical management showed that the presence of TLF (p < 0.01), APT (p < 0.01), FF (p < 0.01), and SOI (p < 0.01) were significantly associated. A predictive model was created using the 5 factors resulting in an area under the curve (AUC) of 0.80. For the motor vehicle collisions (MVC) group, only FF, SOI, and TLF are significantly associated with the need for surgical intervention. The AUC for the MVC group was 0.87. CONCLUSIONS A clinical and radiologic prediction rule was validated using a large multi-institutional dataset of pediatric BAT patients, demonstrating a high degree of accuracy in identifying children who underwent surgery. FF, SOI, and TLF are the most important factors associated with the need for surgical intervention. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
| | - Raymond Lay
- University of Rochester Medical Center, Rochester, NY, USA
| | - Derek Wakeman
- University of Rochester Medical Center, Rochester, NY, USA
| | - Mary Edwards
- Albany Medical College and Center, Albany, NY, USA
| | | | | | | | - Jacob Zipkin
- Albany Medical College and Center, Albany, NY, USA
| | | | | | - Mitchell Chess
- University of Rochester Medical Center, Rochester, NY, USA
| | - Kaveh Vali
- John R. Oishei Children's Hospital, Buffalo, NY, USA
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Hassankhani A, Valizadeh P, Amoukhteh M, Jannatdoust P, Saeedi N, Sabeghi P, Ghadimi DJ, Johnston JH, Gholamrezanezhad A. Disparities in computed tomography utilization for pediatric blunt trauma: a systematic review and meta-analysis comparing pediatric and non-pediatric trauma centers. Emerg Radiol 2023; 30:743-764. [PMID: 37740844 PMCID: PMC10695891 DOI: 10.1007/s10140-023-02172-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 09/18/2023] [Indexed: 09/25/2023]
Abstract
Pediatric blunt trauma is a major cause of morbidity and mortality, and computed tomography (CT) imaging is vital for accurate evaluation and management. Pediatric trauma centers (PTCs) have selective CT practices, while non-PTCs may differ, resulting in potential variations in CT utilization. The objective of this study is to delineate disparities in CT utilization for pediatric blunt trauma patients between PTCs and non-PTCs. A systematic review and meta-analysis were conducted following established guidelines, searching PubMed, Scopus, and Web of Science up to March 3, 2023. All studies examining CT utilization in the management of pediatric (aged < 21 years) blunt trauma and specifying the type of trauma center(s) were included, and data were extracted and analyzed using STATA software version 17.0. An analysis of 30 studies revealed significant variations in CT scan utilization among pediatric blunt trauma patients across different types of trauma centers. PTCs exhibited lower pooled rates of abdominopelvic CT scans (35.4% vs. 44.9%, p < 0.01), cranial CT scans (36.9% vs. 42.9%, p < 0.01), chest CT scans (14.5% vs. 25.4%, p < 0.01), and cervical spine CT scans (23% vs. 45%, p < 0.01) compared to adult or mixed trauma centers (ATCs/MTCs). PTCs had a pooled rate of 54% for receiving at least one CT scan, while ATCs/MTCs had a higher rate of 69.3% (p < 0.05). The studies demonstrated considerable heterogeneity. These findings underscore the need to conduct further research to understand the reasons for the observed variations and to promote appropriate imaging usage, minimize radiation exposure, and encourage collaboration between pediatric and adult trauma centers.
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Affiliation(s)
- Amir Hassankhani
- Department of Radiology, Keck School of Medicine, University of Southern California (USC), 1441 Eastlake Ave Ste 2315, Los Angeles, CA, 90089, USA
- Department of Radiology, Mayo Clinic, Rochester, MN, USA
| | - Parya Valizadeh
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Melika Amoukhteh
- Department of Radiology, Keck School of Medicine, University of Southern California (USC), 1441 Eastlake Ave Ste 2315, Los Angeles, CA, 90089, USA
- Department of Radiology, Mayo Clinic, Rochester, MN, USA
| | - Payam Jannatdoust
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Nikoo Saeedi
- Student Research Committee, Islamic Azad University, Mashhad Branch, Mashhad, Iran
| | - Paniz Sabeghi
- Department of Radiology, Keck School of Medicine, University of Southern California (USC), 1441 Eastlake Ave Ste 2315, Los Angeles, CA, 90089, USA
| | - Delaram J Ghadimi
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Jennifer H Johnston
- Department of Diagnostic and Interventional Imaging, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Ali Gholamrezanezhad
- Department of Radiology, Keck School of Medicine, University of Southern California (USC), 1441 Eastlake Ave Ste 2315, Los Angeles, CA, 90089, USA.
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Cusack B, Cash M, Tuohy K, Brady-Olympia J, Olympia RP. Management of Acute Injury and Illness in Pediatric Athletes by Athletic Trainers: Compliance With Emergency Medicine and Athletic Trainer Evidence-Based Guidelines. Pediatr Emerg Care 2023; 39:945-952. [PMID: 38019713 DOI: 10.1097/pec.0000000000003073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
OBJECTIVE This study aimed to determine athletic trainer compliance with emergency medicine and athletic training evidence-based guidelines for the on-the-field management of common pediatric sports-related injury and illness. METHODS A questionnaire was distributed electronically to selected members of the National Athletic Trainer Association. The questionnaire included 10 clinical scenarios describing common sports-related injury/illness (closed head injury, cervical spine injury, blunt chest injury, blunt abdominal injury, ankle injury, knee injury with laceration, heat-related illness). On-the-field management decisions for each scenario were compared with selected emergency medicine and athletic training guidelines. RESULTS Analysis was performed on 564 completed questionnaires (9% response rate). Responders were compliant with practice guidelines for both emergency medicine and athletic training except for blunt chest trauma with tachycardia, closed head injury with loss of consciousness, closed head injury with repetitive speech, closed head injury with a fall higher than 5 feet, cervical spine injury with paresthesias, and heat-related illness with persistent symptoms. Discrepancies between emergency medicine and athletic training guidelines included closed head injury with repetitive speech, closed head injury and height of fall, closed head injury and unequal pupils, and cervical spine injury with neck pain and paresthesias. CONCLUSIONS Based on our sample, athletic trainers were compliant with many guidelines supported by both emergency medicine and athletic training. We identified several deficiencies in the availability of evidence-based guidelines and discrepancies between these guidelines and athletic trainer responses. To provide optimal care to pediatric athletes who sustain injury or illness, emergency medicine and athletic training organizations should collaborate to improve these discrepancies.
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Affiliation(s)
- Bryan Cusack
- From the Department of Pediatrics, Penn State Hershey Children's Hospital, Hershey, PA
| | - Morgan Cash
- From the Department of Pediatrics, Penn State Hershey Children's Hospital, Hershey, PA
| | - Kyle Tuohy
- Department of Neurosurgery, Penn State Hershey Medical Center, Hershey, PA
| | - Jodi Brady-Olympia
- From the Department of Pediatrics, Penn State Hershey Children's Hospital, Hershey, PA
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Divya G, Kundal VK, Addagatla R, Garbhapu AK, Debnath PR, Sen A. Spectrum of paediatric blunt abdominal trauma in a tertiary care hospital in India. Afr J Paediatr Surg 2023; 20:191-196. [PMID: 37470554 PMCID: PMC10450108 DOI: 10.4103/ajps.ajps_14_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 04/14/2022] [Accepted: 06/01/2022] [Indexed: 01/22/2023] Open
Abstract
Aim To study the profile of paediatric blunt abdominal trauma and to assess the correlation of grade of injury with the outcome. Materials and Methods It is a prospective observational study from January 2015 to December 2020. Children below 12 years with blunt abdominal trauma were included. Patient demographic data, treatment given and the final outcome were recorded. All patients were followed up for a minimum of 6 months to maximum 5 years. Results A total of 68 patients were included in the study. Fall from height was the most common mode of injury (62%) followed by road traffic accidents (35%) and the other causes included in the miscellaneous group (hit by animal and fall of heavy object on the abdomen; 3%). Most commonly injured organ was liver (n = 28, 41%) followed by spleen (n = 18, 26%) and kidney (n = 15, 22%). Other injuries were bowel perforations (jejunal [n = 4], ileal [n = 1] and large bowel [n = 1]; 9%), pancreaticoduodenal (n = 5, 7%), urinary bladder (n = 3, 4%), abdominal vascular injury (iliac vein-1, inferior vena cava-1;3%), adrenal haematoma (n = 2,3%) and common bile duct (CBD) injury (n = 1, 1%). More than one organ injury was seen in 13 cases (19%). Non-operative management was successful in 84% (n = 27) and laparotomy was done in 16% (n = 11). Most of the patients sustained Grade IV injury (n = 36, 53%) and majority of the patients (n = 60, 88%) had good outcome without any long-term complications. Conclusion Profile of paediatric blunt abdominal trauma include solid organ injuries such as liver, spleen, kidney, pancreas, adrenal gland and others like bowel injury, CBD, urinary bladder and abdominal vascular injury. The grade of injury does not correlate with the outcome in a higher grade of injury and these children had good outcome.
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Affiliation(s)
- Gali Divya
- Department of Pediatric Surgery, Atal Bihari Vajpayee Institute of Medical Sciences and Dr. Ram Manohar Lohia Hospital, New Delhi, India
| | - Vijay Kumar Kundal
- Department of Pediatric Surgery, Atal Bihari Vajpayee Institute of Medical Sciences and Dr. Ram Manohar Lohia Hospital, New Delhi, India
| | - Rajasekhar Addagatla
- Department of Pediatric Surgery, Atal Bihari Vajpayee Institute of Medical Sciences and Dr. Ram Manohar Lohia Hospital, New Delhi, India
| | - Anil Kumar Garbhapu
- Department of Pediatric Surgery, Atal Bihari Vajpayee Institute of Medical Sciences and Dr. Ram Manohar Lohia Hospital, New Delhi, India
| | - Pinaki R. Debnath
- Department of Pediatric Surgery, Atal Bihari Vajpayee Institute of Medical Sciences and Dr. Ram Manohar Lohia Hospital, New Delhi, India
| | - Amita Sen
- Department of Pediatric Surgery, Atal Bihari Vajpayee Institute of Medical Sciences and Dr. Ram Manohar Lohia Hospital, New Delhi, India
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Komut S, Afşarlar ÇE. A Comprehensive Analysis of the Radiation Exposure and the Diagnostic Benefit of PanCT in Pediatric Cases with Multiple Trauma. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1228. [PMID: 37512040 PMCID: PMC10384405 DOI: 10.3390/medicina59071228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 06/21/2023] [Accepted: 06/29/2023] [Indexed: 07/30/2023]
Abstract
Background and Objectives: The primary objective of this study was to obtain quantitative data, taking into account the amount of radiation exposure, about the clinical and diagnostic benefit obtained from panCT in pediatric trauma cases. Thus, we aim to create greater awareness in all physicians and primarily emergency medicine physicians regarding correct selection in terms of the patient group where this effective radiological method is to be applied, and to protect children from the adverse effects of radiation. Materials and Methods: The computed tomography (CT) images were retrieved from the hospital radiological archive system (PACS). The effective dose (Ed) was calculated using the standardized method including the tissue weighted parameters. The radiological pathologies determined as a result of CT imaging of the cases were categorized according to clinical significance in accordance with the Modified CT Colonography Reporting and Data System (C-RADS). Results: The data for a total of 268 patients were analyzed, comprising 89 (33.2%) females and 179 (66.8%) males with a mean age of 8.81 ± 5.21 years. The mean Ed was determined to be 18.14 ± 10.44 mSv. The Ed was determined to be statistically significantly higher in the 1-5 years age group than in the 15-18 years age group (p = 0.024). A statistically significant difference was determined between the age groups in terms of the pathologies determined (p = 0.028). Conclusions: In order to prevent performing unnecessary CT imaging, trauma teams in Emergency Departments (ED) should work in harmony and individual decision-making should be based on the severity of the trauma mechanism, the severity of the predicted injury, and the clinical status of the injured child.
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Affiliation(s)
- Seval Komut
- Department of Emergency Medicine, Faculty of Medicine, Hitit University, Çorum 19040, Turkey
| | - Çağatay Evrim Afşarlar
- Department of Pediatric Surgery, Faculty of Medicine, Hitit University, Çorum 19040, Turkey
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Raimann M, Ludwig J, Heumann P, Rechenberg U, Goelz L, Mutze S, Schellerer V, Ekkernkamp A, Bakir MS. Whole-Body Magnetic Resonance Tomography and Whole-Body Computed Tomography in Pediatric Polytrauma Diagnostics-A Retrospective Long-Term Two-Center Study. Diagnostics (Basel) 2023; 13:diagnostics13071218. [PMID: 37046436 PMCID: PMC10093446 DOI: 10.3390/diagnostics13071218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/13/2023] [Accepted: 03/20/2023] [Indexed: 04/14/2023] Open
Abstract
Although serious accidents remain the leading cause of pediatric mortality, protocols to orient diagnostic procedures towards a certain type of initial imaging are widely needed. Since 2007, we have performed whole-body magnetic resonance imaging (WBMR) and whole-body computed tomography (WBCT) for diagnoses of severely injured children. We retrospectively reviewed 134 WBMR and 158 WBCT in patients younger than 16 years that were performed at two trauma centers between 2007 and 2018. A higher Injury Severity Score (ISS) was found in WBCT vs. WBMR (10.6 vs. 5.8; p = 0.001), but without any significant difference in mortality. The WBMR was significantly preferred at younger ages (9.6 vs. 12.8 years; p < 0.001). The time between patient's arrival until diagnosis was 2.5 times longer for WBCT (92.1 vs. 37.1 min; p < 0.001). More patients in the CT group received analgesic sedation and/or intubation at 37.3% vs. 21.6% in the MRI group. Of these patients, 86.4% (CT) and 27.6% (MRI) were already preclinically sedated (p < 0.001). Correspondingly, 72.4% of the patients were first sedated in-hospital for MRIs. In conclusion, WBMR is an alternative and radiation-free imaging method for high-energy-traumatized children. Although the selected diagnostics seemed appropriate, limitations regarding longer duration or additional analgesic sedation are present, and further studies are needed.
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Affiliation(s)
- Marnie Raimann
- Center of Orthopedics, Trauma Surgery and Rehabilitative Medicine, University Medicine Greifswald, 17489 Greifswald, Germany
- Department of Trauma and Orthopedic Surgery, BG Klinikum Unfallkrankenhaus Berlin gGmbH, 12683 Berlin, Germany
| | - Johanna Ludwig
- Department of Trauma and Orthopedic Surgery, BG Klinikum Unfallkrankenhaus Berlin gGmbH, 12683 Berlin, Germany
- Kellogg College, University Oxford, Oxford OX2 6PN, UK
| | - Peter Heumann
- Department of Trauma and Orthopedic Surgery, BG Klinikum Unfallkrankenhaus Berlin gGmbH, 12683 Berlin, Germany
| | - Ulrike Rechenberg
- Department of Trauma and Orthopedic Surgery, BG Klinikum Unfallkrankenhaus Berlin gGmbH, 12683 Berlin, Germany
| | - Leonie Goelz
- Department of Radiology and Neuroradiology, BG Klinikum Unfallkrankenhaus Berlin gGmbH, 12683 Berlin, Germany
- Institute for Diagnostic Radiology, University Medicine Greifswald, 17489 Greifswald, Germany
| | - Sven Mutze
- Department of Radiology and Neuroradiology, BG Klinikum Unfallkrankenhaus Berlin gGmbH, 12683 Berlin, Germany
- Institute for Diagnostic Radiology, University Medicine Greifswald, 17489 Greifswald, Germany
| | - Vera Schellerer
- Department of Paediatric Surgery, University Medicine Greifswald, 17489 Greifswald, Germany
| | - Axel Ekkernkamp
- Center of Orthopedics, Trauma Surgery and Rehabilitative Medicine, University Medicine Greifswald, 17489 Greifswald, Germany
- Department of Trauma and Orthopedic Surgery, BG Klinikum Unfallkrankenhaus Berlin gGmbH, 12683 Berlin, Germany
| | - Mustafa Sinan Bakir
- Center of Orthopedics, Trauma Surgery and Rehabilitative Medicine, University Medicine Greifswald, 17489 Greifswald, Germany
- Department of Trauma and Orthopedic Surgery, BG Klinikum Unfallkrankenhaus Berlin gGmbH, 12683 Berlin, Germany
- Department of Paediatric Surgery, University Medicine Greifswald, 17489 Greifswald, Germany
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10
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Stottlemyre RL, Notrica DM, Cohen AS, Sayrs LW, Naiditch J, St Peter SD, Leys CM, Ostlie DJ, Maxson RT, Ponsky T, Eubanks JW, Bhatia A, Greenwell C, Lawson KA, Alder AC, Johnson J, Garvey E. Hemodilution in pediatric trauma: Defining the expected hemoglobin changes in patients with liver and/or spleen injury: An ATOMAC+ secondary analysis. J Pediatr Surg 2023; 58:325-329. [PMID: 36428184 DOI: 10.1016/j.jpedsurg.2022.10.044] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 10/18/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Many children with blunt liver and/or spleen injury (BLSI) never bleed intraperitoneally. Despite this, decreases in hemoglobin are common. This study examines initial and follow up measured hemoglobin values for children with BLSI with and without evidence of intra-abdominal bleeding. METHODS Children ≤18 years of age with BLSI between April 2013 and January 2016 were identified from the prospective ATOMAC+ cohort. Initial and follow up hemoglobin levels were analyzed for 4 groups with BLSI: (1) Non bleeding; (2) Bleeding, non transfused (3) Bleeding, transfused, and (4) Bleeding resulting in non operative management (NOM) failure. RESULTS Of 1007 patients enrolled, 767 were included in one or more of four study cohorts. Of 131 non bleeding patients, the mean decrease in hemoglobin was 0.83 g/dL (+/-1.35) after a median of 6.3 [5.1,7.0] hours, (p = 0.001). Follow-up hemoglobin levels in patients with and without successful NOM were not different. For patients with an initial hemoglobin >9.25 g/dL, the odds ratio (OR) for NOM failure was 14.2 times less, while the OR for transfusion was 11.4 times less (p = 0.001). CONCLUSION Decreases in hemoglobin are expected after trauma, even if not bleeding. A hemoglobin decrease of 2.15 g/dL [0.8 + 1.35] would still be within one standard deviation of a non bleeding patient. An initial low hemoglobin correlates with failure of NOM as well as transfusion, thereby providing useful information. By contrast, subsequent hemoglobin levels do not appear to guide the need for transfusion, nor correlate with failure of NOM. These results support initial hemoglobin measurement but suggest a lack of utility for routine rechecking of hemoglobin. LEVEL OF EVIDENCE Level II Prognostic Study.
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Affiliation(s)
- Rachael L Stottlemyre
- Phoenix Children's, Phoenix, AZ 85016, United States; University of Miami Miller School of Medicine, Miami, FL 33136, United States
| | - David M Notrica
- Phoenix Children's, Phoenix, AZ 85016, United States; University of Arizona College of Medicine Phoenix, Phoenix, AZ 85004, United States; Mayo Clinic College of Medicine and Science, Phoenix, AZ 85054, United States.
| | - Aaron S Cohen
- University of Miami Miller School of Medicine, Miami, FL 33136, United States
| | - Lois W Sayrs
- Children's Hospital of Orange County Research Institute, Orange, CA 92868, United States
| | | | | | - Charles M Leys
- American Family Children's Hospital, Madison, WI 53792, United States
| | - Daniel J Ostlie
- Phoenix Children's, Phoenix, AZ 85016, United States; American Family Children's Hospital, Madison, WI 53792, United States
| | - R Todd Maxson
- Arkansas Children's Hospital, Little Rock, AR 72202, United States
| | - Todd Ponsky
- Dell Children's Medical Center, Austin, TX 78723, United States; Akron Children's Hospital, Akron, OH 44308, United States
| | - James W Eubanks
- Le Bonheur Children's Hospital, Memphis, TN 38103, United States
| | - Amina Bhatia
- Children's Healthcare of Atlanta, Atlanta, GA 30303, United States
| | | | - Karla A Lawson
- Dell Children's Medical Center, Austin, TX 78723, United States
| | - Adam C Alder
- Children's Medical Center Dallas, Dallas, TX 75235, United States
| | - Jeremy Johnson
- The Children's Hospital at OU Medical Center, Oklahoma City, OK 73104, United States
| | - Erin Garvey
- Phoenix Children's, Phoenix, AZ 85016, United States; University of Arizona College of Medicine Phoenix, Phoenix, AZ 85004, United States; Mayo Clinic College of Medicine and Science, Phoenix, AZ 85054, United States
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11
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Mahdi E, Toscano N, Pierson L, Ndikumana E, Ayers B, Chacon A, Brayer A, Chess M, Davis C, Dorman R, Livingston M, Arca M, Wakeman D. Sustaining the gains: Reducing unnecessary computed tomography scans in pediatric trauma patients. J Pediatr Surg 2023; 58:111-117. [PMID: 36272813 DOI: 10.1016/j.jpedsurg.2022.09.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 09/16/2022] [Indexed: 01/12/2023]
Abstract
BACKGROUND/PURPOSE "Pan-scanning" pediatric blunt trauma patients leads to exposure to harmful radiation and increased healthcare costs without improving outcomes. We aimed to reduce computed tomography (CT) scans that are not indicated (NI) by imaging guidelines for injured children. METHODS In July 2017, our Pediatric Trauma Center prospectively implemented validated imaging guidelines to direct CT imaging for trauma activations and consultations for children younger than 16 years old with blunt traumatic injuries. Patients with suspected physical abuse, CT imaging prior to arrival, penetrating mechanism, and instability precluding CT imaging were excluded. We compared CT scanning rates for pre-implementation (01/2016-06/2017) and post-implementation (07/2017-08/2021) time periods. Guideline compliance was evaluated by chart review and sustained through iterative process improvement cycles. RESULTS During the pre-implementation era, 61 patients underwent 171 CT scans of which 87 (51%) scans were not indicated by guidelines. Post-implementation, 363 patients had 531 scans and only 134 (25%) CTs were not indicated. Total CTs performed declined after initiation of guidelines (2.80 vs 1.46 scans/patient, p<0.0001). Total NI CTs declined (1.41 vs 0.37 NI scans/patient, p<0.0001) reflected in significant reductions in all anatomic regions: head, cervical spine, chest, and abdomen/pelvis. Charges related to NI scans decreased from $1,490.31/patient to $408.21/patient, saving $218,000 in charges. Based on prior utilization, 146 children were spared excessive radiation with no clinically significant missed injuries since guideline implementation. CONCLUSIONS Quality improvement and implementation science methodologies to enhance compliance with imaging guidelines for children with blunt injuries can significantly reduce unnecessary CT scanning without compromising care. This practice reduces harmful radiation exposure in a sensitive patient population and may save healthcare systems money and resources.
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Affiliation(s)
- Elaa Mahdi
- Department of Surgery, University of Rochester Medical Center, Rochester, NY, 14642, United States
| | - Nicole Toscano
- Department of Surgery, University of Rochester Medical Center, Rochester, NY, 14642, United States
| | - Lauren Pierson
- Department of Surgery, University of Rochester Medical Center, Rochester, NY, 14642, United States
| | - Eric Ndikumana
- Department of Surgery, University of Rochester Medical Center, Rochester, NY, 14642, United States
| | - Brian Ayers
- Department of Surgery, University of Rochester Medical Center, Rochester, NY, 14642, United States
| | - Alexander Chacon
- Department of Surgery, University of Rochester Medical Center, Rochester, NY, 14642, United States
| | - Anne Brayer
- Department of Emergency Medicine, University of Rochester Medical Center, Rochester, NY, 14642, United States
| | - Mitchell Chess
- Department of Imaging Sciences, University of Rochester Medical Center, Rochester, NY, 14642, United States
| | - Colleen Davis
- Department of Emergency Medicine, University of Rochester Medical Center, Rochester, NY, 14642, United States
| | - Robert Dorman
- Department of Surgery, University of Rochester Medical Center, Rochester, NY, 14642, United States
| | - Michael Livingston
- Department of Surgery, University of Rochester Medical Center, Rochester, NY, 14642, United States
| | - Marjorie Arca
- Department of Surgery, University of Rochester Medical Center, Rochester, NY, 14642, United States
| | - Derek Wakeman
- Department of Surgery, University of Rochester Medical Center, Rochester, NY, 14642, United States.
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12
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Sabounji SM, Gueye D, Ngom G. Blunt Abdominal Trauma in Children: A Review of 105 Cases. J Indian Assoc Pediatr Surg 2023; 28:48-53. [PMID: 36910279 PMCID: PMC9997579 DOI: 10.4103/jiaps.jiaps_171_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 07/16/2022] [Accepted: 08/21/2022] [Indexed: 03/14/2023] Open
Abstract
Aims The aim of the study is to identify the epidemiological, diagnostic, therapeutic, and evolutionary characteristics of patients admitted for blunt abdominal trauma (BAT) in a level 3 children's hospital. Results The frequency was 13.1 cases/year. The mean age was 6.6 years. The sex ratio was 3.56. Road traffic accidents were the most frequent cause (54.3%). Abdominal tenderness (88.6%) was the most common physical sign. Associated lesions were found in 40% of cases. Abdominal sonography (85.7%) was the most common imaging tool followed by an abdominal computed tomography scan (34.4%). The liver was the most affected organ (24.7%) and contusion was the most frequent lesion (65.4%). The majority of patients had received nonoperative treatment (93.3%). The average length of hospitalization was 5.6 days. The outcome in all cases was favorable. No mortality was reported. Conclusions BAT in children is common in boys under the age of 10. They are caused by road accidents. Physical examination combined with abdominal ultrasound is very important in the therapeutic decision, which in most cases is a conservative one. Morbidity and mortality are almost nil.
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Affiliation(s)
| | - Doudou Gueye
- Department of Paediatric Surgery, Albert Royer Children's Hospital, Dakar, Senegal
| | - Gabriel Ngom
- Department of Paediatric Surgery, Albert Royer Children's Hospital, Dakar, Senegal
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13
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Perin I, Guetter CR, Klüppel LE, Fachin CG, Pimentel SK. CT scan in the evaluation of pediatric abdominal trauma. Rev Col Bras Cir 2022; 49:e20223246. [PMID: 36515330 PMCID: PMC10578840 DOI: 10.1590/0100-6991e-20223246-en] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 08/06/2022] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE to assess the need of computed tomography (CT) for the definition of management in pediatric abdominal trauma. METHODS observational retrospective study with patients under 18 years old victims of blunt or penetrating abdominal trauma that underwent CT of the abdomen and pelvis at admission. We evaluated CT scan findings, indications and management. We calculated the sensitivity, specificity, positive predictive value and negative predictive value of clinical variables and energy of trauma for findings on CT. RESULTS among the 236 patients included in our study, 72% (n=170) did not present abnormal findings on CT. It was performed surgical treatment in 15% (n=10), conservative treatment in 54,5% (n=36) and 27% (n=18) did not receive treatment for abdominal injuries. In the assessment of CT indications, 28,8% (n=68) presented no justifications. In this group, 91% (n=62) did not show any abnormal findings. Among the six patients with positive findings, half were selected for conservative treatment, while the rest did not need any treatment for abdominal injuries. The presence of abdominal pain, hemodynamic alterations and high energy blunt trauma had low positive predictive values when isolated, whereas the negative predictive values were higher. CONCLUSION although CT is necessary in some instances, there is a possible high number of exams that did not make any difference in the management of the pediatric population.
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Affiliation(s)
- Isabella Perin
- - Universidade Federal do Paraná - Curitiba - PR - Brasil
| | - Camila Roginski Guetter
- - Universidade Federal do Paraná - Curitiba - PR - Brasil
- - Johns Hopkins Bloomberg School of Public Health - Baltimore - Maryland - Estados Unidos
| | | | | | - Silvania Klug Pimentel
- - Universidade Federal do Paraná - Curitiba - PR - Brasil
- - Hospital do Trabalhador, Cirurgia Geral - Curitiba - PR - Brasil
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14
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Notrica D. Evidence-based management of pediatric solid organ injury. Semin Pediatr Surg 2022; 31:151216. [PMID: 36395651 DOI: 10.1016/j.sempedsurg.2022.151216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- David Notrica
- Phoenix Children's - Division of Pediatric Surgery, 1919 E Thomas Rd, Phoenix, AZ 85016-7710.
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15
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Emergency whole-body CT scans in pediatric patients with trauma: patterns of injuries, yield of dual-phase scanning, and influence of second read on detection of injuries. Eur Radiol 2022; 32:8473-8484. [PMID: 35687137 DOI: 10.1007/s00330-022-08878-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 04/12/2022] [Accepted: 05/12/2022] [Indexed: 11/04/2022]
Abstract
OBJECTIVES To describe injury patterns in children with multiple trauma (MT), evaluate the yield of dual-phase whole-body CT (WBCT), and quantify missed injuries detected on second reading. METHODS Remotely analyzed WBCT performed between 2011 and 2020 in 63 emergency departments on children admitted for MT were included. Second reading occurred within 24 h. Collected data included age, sex, mechanism, Injury Severity Score (ISS), radiologists' experience, time and duration of first reading, conclusion of both readings, and dosimetry. Melvin score assessed the clinical impact of missed injuries. RESULTS Overall, 1114 patients were included, 1982 injuries were described in 662 patients (59.4%), 452/1114 (40.6%) WBCT were negative, and 314 (28.2%) patients had MT (≥ 2 body parts injured). The most frequent injuries were pulmonary contusions (8.3%), costal fractures (6.2%), and Magerl A1 vertebral fractures (4.9%). Overall, 151 injuries were missed in 92 (8.3%) patients. Independent predictors for missed injuries were age ≤ 4 years (p = 0.03), number of injured body parts ≥ 2 (p = 0.01), and number of injuries ≥ 3 (p < 0.001). Melvin score grade 3 lesions were found in 16/92 (17.4%) patients with missed injuries (1.4% of all WBCT), where only prolonged follow-up was necessary. Thirteen active bleeding or pseudoaneurysms were detected (0.7% of injuries). CONCLUSION Injuries were diagnosed in 59.4% of patients. Double-reading depicted additional injuries in 8.3% of patients, significantly more in children ≤ 4 years, with ≥ 3 injuries or ≥ 2 injured body parts. As 28 % of patients had MT and 1.1% had active extravasation or pseudoaneurysm, indication for WBCT should be carefully weighted. KEY POINTS • When performed as a first-line imaging evaluation, approximately 41% of WBCT for MT children were considered normal. • The three most common injuries were pulmonary contusions, costal fractures, and Magerl A1 vertebral fractures, but the patterns of traumatic injuries on WBCT depended on the children's age and the trauma mechanism. • The independent predictors of missed injuries were age ≤ 4 years, number of body parts involved ≥ 2, and total number of injuries ≥ 3.
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Sahu AK, Bhoi S, Raroth SE, Aggarwal P, Mathew R, Sinha TP, C S. FAST versus F-AST Score (FAST plus Aspartate Transaminase) in Pediatric Blunt Abdominal Trauma — a Case Series Analysis. Indian J Surg 2022. [DOI: 10.1007/s12262-022-03338-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Can we reduce CT scan and hospital costs in children with blunt trauma using four parameters? ANNALS OF PEDIATRIC SURGERY 2022. [DOI: 10.1186/s43159-021-00142-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Blunt trauma is one of the most common causes of admission to the emergency service in childhood. Children with trauma are generally evaluated in emergency services where pediatric and adult patients are together, and difficulties are experienced in managing children exposed to trauma. CT is preferred for quick detection and grading of toracoabdominal, skeleton, and neurological injury in high energy trauma. The present study aims to determine the severity of trauma and whether CT exposure can be reduced and patient cost using four parameters.
This study was conducted with 586 pediatric patients exposed to blunt abdominal trauma. The clinical prediction rule consisted of four parameters, including abdominal pain, physical examination findings, aspartate aminotransferase (AST), and chest x-ray (CXR, which was used to predict intraabdominal injury in patients with blunt trauma. Patients with no parameters of the clinical decision rule were considered very low risk, and those with one or more parameters were considered at risk. The hospital cost of the patients with and without clinical decision rule was calculated and compared.
Results
In our study, according to the four-variable clinical prediction rule, 88.1% of the patients had a very low risk of intraabdominal injury and 11.9% of them were at risk. The sensitivity was 97.3%, specificity 98.2%, and accuracy was 97.4% in very low-risk patients with four variables clinical prediction rule. In the very low-risk patients, the abnormal CT rate was 0.3% and conservative treatment was performed. With the use of four variables, 0.17% of solid organ injuries may be overlooked. In the risk of patients, 2.9% of these patients were abnormal CT findings, while tube thoracostomy was performed in four patients with pneumothorax, conservative treatment was performed in other patients.
It was determined that routine computed tomography scan increased the patient cost by 5.5 times.
Conclusion
Patients exposed to blunt trauma with a very low risk of intra-abdominal injury can be identified with a four-variable clinical prediction rule. According to the four-variable clinical prediction rule, very low-risk patients do not require immediate CT. The hospital costs can be reduced by reducing the CT scan. However, it should be kept in mind that a small proportion of intra-abdominal injuries may be overlooked.
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Sigal AP, Deaner T, Woods S, Mannarelli E, Muller AL, Martin A, Schoener A, Brower M, Ong A, Geng T, Guillen F, Lahmann B, Wasser T, Valente C. External validation of a pediatric decision rule for blunt abdominal trauma. J Am Coll Emerg Physicians Open 2022; 3:e12623. [PMID: 35072160 PMCID: PMC8760953 DOI: 10.1002/emp2.12623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 11/04/2021] [Accepted: 11/23/2021] [Indexed: 11/16/2022] Open
Abstract
INTRODUCTION Blunt traumatic injuries are a leading cause of morbidity and mortality in the pediatric population. Contrast-enhanced multidetector computed tomography is the best imaging tool for screening patients at risk of blunt abdominal injury. The Pediatric Emergency Care Applied Research Network (PECARN) abdominal rule was derived to identify patients at low risk for significant abdominal injury who do not require imaging. METHODS We conducted a retrospective review of pediatric patients with blunt trauma to validate the PECARN rule in a non-pediatric specialized hospital from February 3, 2013, through December 31, 2019. We excluded those with penetrating or mild isolated head injury. The PECARN decision rule was retrospectively applied for the presence of a therapeutic intervention, defined as a laparotomy, angiographic embolization, blood transfusion, or administration of intravenous fluids for pancreatic or gastrointestinal injury. Sensitivity and specificity analysis were conducted along with the negative and positive predictive values. RESULTS A total of 794 patients were included in the final analysis; 23 patients met the primary outcome for an acute intervention. The PECARN clinical decision rule (CDR) had a sensitivity of 91.3%, a negative predictive value of 99.5, and a negative likelihood ration of 0.16. CONCLUSION In a non-pediatric specialty hospital, the PECARN blunt abdominal CDR performed with comparable sensitivity and negative predictive value to the derivation and external validation study performed at specialized children's hospitals.
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Affiliation(s)
- Adam P. Sigal
- Department of Emergency MedicineReading HospitalWest ReadingPennsylvaniaUSA
| | - Traci Deaner
- Department of Emergency MedicineReading HospitalWest ReadingPennsylvaniaUSA
| | - Sam Woods
- Department of Emergency MedicineReading HospitalWest ReadingPennsylvaniaUSA
| | | | - Alison L. Muller
- Department of SurgerySection of Trauma and Critical CareReading HospitalWest ReadingPennsylvaniaUSA
| | - Anthony Martin
- Department of SurgerySection of Trauma and Critical CareReading HospitalWest ReadingPennsylvaniaUSA
| | | | | | - Adrian Ong
- Department of SurgerySection of Trauma and Critical CareReading HospitalWest ReadingPennsylvaniaUSA
| | - Thomas Geng
- Department of SurgerySection of Trauma and Critical CareReading HospitalWest ReadingPennsylvaniaUSA
| | - Felipe Guillen
- Drexel University College of MedicinePhiladelphiaPennsylvaniaUSA
| | - Brian Lahmann
- Department of Emergency MedicineReading HospitalWest ReadingPennsylvaniaUSA
| | - Tom Wasser
- Department of Emergency MedicineReading HospitalWest ReadingPennsylvaniaUSA
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Ozcan A, Ahn T, Akay B, Menoch M. Imaging for Pediatric Blunt Abdominal Trauma With Different Prediction Rules: Is the Outcome the Same? Pediatr Emerg Care 2022; 38:e654-e658. [PMID: 33616315 DOI: 10.1097/pec.0000000000002346] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Computerized tomography (CT) of the abdomen and pelvis is the standard imaging modality to diagnose intra-abdominal injury (IAI). Clinicians must weigh the risk-benefit of CT compared with the degree of clinical suspicion for an IAI. Pediatric Emergency Care Applied Research Network (PECARN), Streck, and blunt abdominal trauma in children (BATiC) prediction rules have been published to help guide evaluation of these patients. Pediatric Emergency Care Applied Research Network uses history and physical examination findings, whereas Streck and BATiC use examination plus laboratory and imaging findings. At the time of the study, there was not a protocol that was more routinely sited. Our goal was to compare these different prediction rules. METHODS This was a retrospective electronic chart review of all children younger than 18 years presenting for either level 1 or 2 trauma activations at our pediatric emergency department (ED) between June 1, 2015, to June 30, 2017. Charts were manually reviewed for a mechanism concerning for abdominal trauma, and demographic data, history and physical examination findings, laboratory and imaging results per prediction rules, and revisits in 7 days were collected.The prediction rules were applied to all charts that had all data necessary. For study purposes, a score of zero for PECARN and Streck, and score of ≤5 for modified BATiC (mBATiC) were defined as "low risk." Patients with no CT, negative CT, and no new injury found on revisit were classified as "no IAI identified," and patients with positive CT or revisit with injury found as "IAI identified." The results were compared via Fisher exact test. RESULTS A total of 249 patients met the inclusion criteria with a median age of 12 years. Of the low-risk patients, 119 (98.7%) of 121 in PECARN group, 21 (100%) of 21 in Streck, and 48 (85.7%) of 56 in mBATiC group had no IAI identified. None of the low-risk patients required any intra-abdominal intervention. No missed IAI was identified during revisit review. Negative predictive values of all 3 rules were significant for PECARN, Streck, and mBATiC (98.35%, 100%, and 85.71%, respectively). Overall, 27 patients had positive CT results for IAI. CONCLUSIONS The PECARN and Streck rules have high negative predictive values to predict low-risk patients who do not require CT. When laboratory studies are not obtained, PECARN is an effective means of excluding IAI for low-risk patients. When laboratory tests were obtained, the Streck rule performed well. Overall, the results are similar to the past individual studies done on each individual rule. History and physical examination findings are of high importance in pediatric trauma. This study supports limited imaging when no abnormal findings are present in children with blunt torso trauma. This is the only study found in the literature that has compared 3 different prediction rules.
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Affiliation(s)
- Ali Ozcan
- From the Pediatric Emergency Department, Loma Linda University Medical Center, Loma Linda, CA
| | - Terrie Ahn
- Pediatric Allergy and Immunology Department, UCLA Mattel Children's Hospital, Los Angeles, CA
| | | | - Margaret Menoch
- Pediatric Emergency Department,William Beaumont Hospital, Royal Oak, MI
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PERIN ISABELLA, GUETTER CAMILAROGINSKI, KLÜPPEL LÚCIOEDUARDO, FACHIN CAMILAGIRARDI, PIMENTEL SILVANIAKLUG. Tomografia computadorizada na avaliação do trauma abdominal pediátrico. Rev Col Bras Cir 2022. [DOI: 10.1590/0100-6991e-20223246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
RESUMO Introdução: avaliar a necessidade da tomografia computadorizada (TC) para definição de condutas em trauma abdominal pediátrico. Métodos: estudo observacional retrospectivo com pacientes menores de 18 anos vítimas de trauma abdominal contuso ou penetrante e que realizaram TC de abdome e pelve na admissão. Avaliou-se achados das tomografias, condutas e justificativas para indicação da TC. Foram calculados sensibilidade, especificidade, valor preditivo positivo e valor preditivo negativo de fatores clínicos e energia do trauma para alterações na TC. Resultados: dentre os 236 pacientes incluídos, 72% (n=170) não apresentaram alterações na TC. Foi realizado tratamento cirúrgico em 15% (n=10), tratamento conservador em 54,5% (n=36) e 27% (n=18) não receberam tratamento por lesões abdominais. Na avaliação das indicações de TC, 28,8% (n=68) não apresentavam nenhuma justificativa, sendo que nesse grupo 91% (n=62) resultaram em ausência de achados. Dentre os seis pacientes com achados positivos, metade recebeu tratamento conservador, enquanto o restante não necessitou de tratamento por lesões abdominais. A presença de dor abdominal, alteração hemodinâmica e trauma contuso de alta energia apresentaram baixos valores preditivos positivos de forma isolada, enquanto os valores preditivos negativos foram mais altos. Conclusão: apesar de a TC ser necessária e justificável em alguns casos, há um possível excesso de tomografias dispensáveis para definição de condutas em população pediátrica.
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Affiliation(s)
| | - CAMILA ROGINSKI GUETTER
- Universidade Federal do Paraná, Brazil; Johns Hopkins Bloomberg School of Public Health, Estados Unidos
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21
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Gaffley M, Neff LP, Sieren LM, Zeller KA, Pranikoff T, Rush T, Petty JK. Evaluation of an evidence-based guideline to reduce CT use in the assessment of blunt pediatric abdominal trauma. J Pediatr Surg 2021; 56:297-301. [PMID: 32788046 DOI: 10.1016/j.jpedsurg.2020.07.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 06/17/2020] [Accepted: 07/05/2020] [Indexed: 02/03/2023]
Abstract
PURPOSE About half of pediatric blunt trauma patients undergo an abdominopelvic computed tomographic (CT) scan, while few of these require intervention for an intraabdominal injury. We evaluated the effectiveness of an evidence-based guideline for blunt abdominal trauma at a Level I pediatric trauma center. METHODS Pediatric blunt trauma patients (n = 998) age 0-15 years who presented from the injury scene were evaluated over a 10 year period. After five years, we implemented our guideline in which the decision for CT was standardized based on mental status, abdominal examination, and laboratory results (alanine aminotransferase, aspartate aminotransferase, hemoglobin, urinalysis). RESULTS There were no differences in age, GCS, SIPA or ISS scores between the patients before or after guideline implementation. Nearly half of the patients (48.3%) underwent CT scan before guideline implementation compared to 36.7% after (p < 0.0002). There was no difference in ISS (p = 0.44) between CT scanned patients in either group. No statistical differences were found in rate of intervention (p = 0.20), length of stay (p = 0.65), or readmission rate (0.2%) before versus after guideline implementation. There were no missed injuries. CONCLUSION Implementation of an evidence-based clinical guideline for pediatric patients with blunt abdominal trauma decreases the rate of CT utilization while accurately identifying significant injuries. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Michaela Gaffley
- Wake Forest School of Medicine, General Surgery, Winston-Salem, North Carolina.
| | - Lucas P Neff
- Wake Forest School of Medicine, General Surgery, Section of Pediatric Surgery, Winston-Salem, North Carolina
| | - Leah M Sieren
- Wake Forest School of Medicine, General Surgery, Section of Pediatric Surgery, Winston-Salem, North Carolina
| | - Kristen A Zeller
- Wake Forest School of Medicine, General Surgery, Section of Pediatric Surgery, Winston-Salem, North Carolina
| | - Thomas Pranikoff
- Wake Forest School of Medicine, General Surgery, Section of Pediatric Surgery, Winston-Salem, North Carolina
| | - Tammy Rush
- Wake Forest School of Medicine, General Surgery, Section of Pediatric Surgery, Winston-Salem, North Carolina
| | - John K Petty
- Wake Forest School of Medicine, General Surgery, Section of Pediatric Surgery, Winston-Salem, North Carolina
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Bowen DK, Back SJ, Van Batavia JP, Darge K, Long CJ, Weiss DA. Does contrast-enhanced ultrasound have a role in evaluation and management of pediatric renal trauma? A preliminary experience. J Pediatr Surg 2020; 55:2740-2745. [PMID: 32674845 DOI: 10.1016/j.jpedsurg.2020.06.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 06/03/2020] [Accepted: 06/07/2020] [Indexed: 01/02/2023]
Abstract
BACKGROUND To report our initial experience using intravenous contrast-enhanced ultrasound (CEUS) in pediatric renal trauma with the potential for substantial radiation reduction. METHODS A retrospective review of all patients who underwent intravenous CEUS at our institution between May 2015 and January 2018 for the suspicion of blunt renal trauma. CEUS was obtained either as an immediate or short-term comparison to contrast-enhanced computed tomography (CECT), or in outpatient follow-up. RESULTS CEUS was performed on 7 patients (9 kidneys) with age range 2 months to 16 years old. CEUS was utilized as a comparison to CECT in 4 of 7 patients for initial evaluation, clinical change, or short-term follow-up. CEUS alone was used in one patient with low suspicion for renal injury. In the remaining two patients, CEUS was obtained as a follow-up study weeks after the initial CECT, following conservative management. All patients with confirmed renal injury by CECT (n = 5) underwent a follow-up CEUS at 1-2 months. CONCLUSIONS In an era of conservative management for renal trauma in which operative intervention is dictated more often by the clinical course than radiographic findings, it is reasonable to consider alternative imaging methods such as CEUS in stable patients to decrease radiation exposure. LEVEL OF EVIDENCE RATING IV.
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Affiliation(s)
- Diana K Bowen
- Division of Pediatric Urology, Department of Pediatric Surgery, The Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, 3400 Civic Center Blvd, Philadelphia, PA 19104, USA.
| | - Susan J Back
- Department of Radiology, The Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, 3400 Civic Center Blvd, Philadelphia, PA 19104, USA
| | - Jason P Van Batavia
- Division of Pediatric Urology, Department of Pediatric Surgery, The Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, 3400 Civic Center Blvd, Philadelphia, PA 19104, USA
| | - Kassa Darge
- Department of Radiology, The Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, 3400 Civic Center Blvd, Philadelphia, PA 19104, USA
| | - Christopher J Long
- Division of Pediatric Urology, Department of Pediatric Surgery, The Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, 3400 Civic Center Blvd, Philadelphia, PA 19104, USA
| | - Dana A Weiss
- Division of Pediatric Urology, Department of Pediatric Surgery, The Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, 3400 Civic Center Blvd, Philadelphia, PA 19104, USA
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Abstract
OBJECTIVES Abdominal computed tomography (ACT) use in the initial evaluation of pediatric abdominal trauma is liberal in most instances. The aim of this study was to identify the predictors for a positive yield ACT scan in this population. METHODS A prospective, cohort, single-center observational study was conducted at Children's Hospital at Westmead, New South Wales, from January 2008 to June 2015 on 240 pediatric abdominal trauma patients who had abdominal computed tomography. Clinical, laboratory, imaging, and interventional variables were explored with univariate and multivariate analyses among children who sustained abdominal trauma. RESULTS Of 240 patients, positive ACT scans were found in 161 patients (67%), 112 patients (47%) had intra-abdominal injury, and 20 patients (8%) required invasive therapeutic interventions. Mortality rate was 1.7% (4 patients) due to nonabdominal causes. Multivariate analyses revealed that increasing age (odds ratio [OR], 1.12; 95% confidence interval [CI], 1.02-1.24; P = 0.024), high injury severity score (OR, 1.14; 95% CI, 1.07-1.21; P < 0.001), abnormal abdominal examination (OR, 5.95; 95% CI, 2.08-17.01; P = 0.001), elevated alanine aminotransferase greater than 125 IU/L (OR, 46.28; 95% CI, 2.81-762.49; P = 0.007), abnormal pelvic radiograph (OR, 14.03; 95% CI, 2.39-82.28; P = 0.003), presence of gross hematuria (OR, 4.14; 95% CI, 1.04-18.23; P = 0.044), low initial hematocrit level (less than 30%) (OR, 8.51; 95% CI, 1.14-63.70; P = 0.037), and positive focused assessment with sonography for trauma (OR, 2.61; 95% CI, 1.01-7.28; P = 0.048) remained significantly associated with abnormal ACT scan. In contrast, those who required scanning of other body region(s) were less likely to have abnormal ACT scan (OR, 0.34; 95% CI, 0.14-0.86; P =0.022). CONCLUSIONS Integrating the abdominal examination findings, relevant laboratory values, and focused assessment with sonography for trauma results with the physicians' suspicion may aid in stratifying patients for ACT scan. Further efforts should be made to decrease number of normal ACT scans; yet not to increase the number of delayed or missed injures with its inherent morbidity and mortality.
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Kornblith AE, Graf J, Addo N, Newton C, Callcut R, Grupp‐Phelan J, Jaffe DM. The Utility of Focused Assessment With Sonography for Trauma Enhanced Physical Examination in Children With Blunt Torso Trauma. Acad Emerg Med 2020; 27:866-875. [PMID: 32159909 DOI: 10.1111/acem.13959] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 02/02/2020] [Accepted: 03/10/2020] [Indexed: 11/27/2022]
Abstract
OBJECTIVES Computed tomography (CT), the reference standard for diagnosis of intraabdominal injury (IAI), carries risk including ionizing radiation. CT-sparing clinical decision rules for children have relied heavily on physical examination, but they did not include focused assessment with sonography for trauma (FAST), which has emerged into widespread use during the past decade. We sought to determine the independent associations of physical examination, laboratory studies, and FAST with identification of IAI in children and to compare the test characteristics of these diagnostic variables. We hypothesized that FAST may add incremental utility to a physical examination alone to more accurately identify children who could forgo CT scan. METHODS We reviewed a large trauma database of all children with blunt torso trauma presenting to a freestanding pediatric emergency department during a 20-month period. We used logistic regression to evaluate the association of FAST, physical examination, and selected laboratory data with IAI in children, and we compared the test characteristics of these variables. RESULTS Among 354 children, 50 (14%) had IAI. Positive FAST (odds ratio [OR] = 14.8, 95% confidence interval [CI] = 7.5 to 30.8) and positive physical examination (OR = 15.2, 95% CI = 7.7 to 31.7) were identified as independent predictors for IAI. Physical examination and FAST each had sensitivities of 74% (95% CI = 60% to 85%). Combining FAST and physical examination as FAST-enhanced physical examination (exFAST) improved sensitivity and negative predictive value (NPV) over either test alone (sensitivity = 88%, 95% CI = 76% to 96%) and NPV of 97.3% (95% CI = 94.5% to 98.7%). CONCLUSIONS In children, FAST and physical examinations each predicted the identification of IAI. However, the combination of the two (exFAST) had greater sensitivity and NPV than either physical examination or FAST alone. This supports the use of exFAST in refining clinical predication rules in children with blunt torso trauma.
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Affiliation(s)
- Aaron E. Kornblith
- From the Department of Emergency Medicine and PediatricsUniversity of California San Francisco CA
| | | | - Newton Addo
- the Department of Emergency MedicineUniversity of California San Francisco CA
| | | | - Rachael Callcut
- and the Department of Surgery University of California San Francisco CA
| | - Jacqueline Grupp‐Phelan
- From the Department of Emergency Medicine and PediatricsUniversity of California San Francisco CA
| | - David M. Jaffe
- the Department of Emergency MedicineUniversity of California San Francisco CA
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Odia OA, Yorkgitis B, Gurien L, Hendry P, Crandall M, Skarupa D, Fishe JN. An evidence-based algorithm decreases computed tomography use in hemodynamically stable pediatric blunt abdominal trauma patients. Am J Surg 2020; 220:482-488. [DOI: 10.1016/j.amjsurg.2020.01.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 01/02/2020] [Accepted: 01/03/2020] [Indexed: 11/25/2022]
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Abstract
The management of pediatric liver trauma has evolved significantly over the last few decades. While surgical intervention was frequently and mostly unsuccessfully practiced during the first half of the last century, the 1960s were witness to the birth and gradual acceptance of non-operative management of these injuries. In 2000, the American Pediatric Surgical Association (APSA) Trauma Committee disseminated evidenced-based guidelines to help guide the non-operative management of pediatric blunt solid organ injury. The guidelines significantly contributed to conformity in the management of these patients. Since then, a number of well-designed studies have questioned the strict categorization of these injuries and have led to a renewed reliance on clinical signs of the patient's hemodynamic status. In 2019, APSA introduced an updated set of guidelines emphasizing the use of physiologic status rather than radiologic grade as a driver of clinical decision making for these injuries. This review will focus on liver injuries, in particular blunt injury, as this mechanism is by far the most commonly seen in children. Procedures required when non-operative management fails will be detailed, including surgery, angioembolization, and less commonly employed interventions. Finally, the updated inpatient and post-discharge aspects of care will be reviewed, including hemoglobin monitoring, bedrest, length of hospital stay, and activity restriction.
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Affiliation(s)
- Vincent Duron
- Assistant Professor of Surgery, Division of Pediatric Surgery, Columbia University Vagelos College of Physicians & Surgeons, 3959 Broadway, CHN 215, New York, NY 10032.
| | - Steven Stylianos
- Chief, Division of Pediatric Surgery, Rudolph N Schullinger Professor of Surgery, Columbia University Vagelos College of Physicians & Surgeons, Surgeon-in-Chief, Morgan Stanley Children's Hospital, 3959 Broadway - Rm 204 N, New York, NY 10032.
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Lamoshi A, Wagner N, Chen Z, Fabiano T, Wilding GE, Rothstein DH, Bass K. Predictive Model for Operative Intervention after Blunt Abdominal Trauma in Children with Equivocal CT Findings: A Pilot Study. J Surg Res 2020; 255:449-455. [PMID: 32619860 DOI: 10.1016/j.jss.2020.05.088] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 05/18/2020] [Accepted: 05/25/2020] [Indexed: 11/25/2022]
Abstract
BACKGROUND To study the clinical and radiologic factors predicting the need for surgical intervention after blunt abdominal trauma (BAT) in children with equivocal computed tomography (CT) scan findings. METHODS We performed a retrospective review of the trauma database at our level I pediatric trauma center between 2011 and 2019. We selected patients with BAT and equivocal findings for surgical intervention on CT scan. We studied five factors: abdominal wall bruising (AWB), abdominal pain/tenderness (APT), thoracolumbar fracture, the presence of free fluid (FF), and the presence of solid organ injury, all previously reported in the literature to predict the need for operative intervention. We used t-test, the Kruskal-Wallis test and logistic regression to study the association of these factors with the need for operation in our pediatric cohort. RESULTS Of 3044 blunt trauma patients, 288 had abdominal CT scans with 61 patients demonstrating equivocal findings. Operation was performed for 12 patients (19.7%) confirming surgically correctable traumatic injuries. The need for surgical intervention was significantly associated with the age of the patients (P = 0.03), the presence of APT (P = 0.001), AWB (P = 0.01), and FF (P = 0.04). The presence of thoracolumbar fracture and solid organ injury were not significantly associated with the need for operation. For the subset of 37 patients who were injured in a motor vehicle crash, five (13.5%) required surgical intervention, which was significantly associated with the presence of AWB (P = 0.04), APT (P = 0.01), and FF (P = 0.03). A predictive model that used these factors produced a receiver operating characteristic curve of 0.86. CONCLUSIONS In cases of equivocal abdominal CT scan findings to evaluate BAT in children, the presence of abdominal wall tenderness, AWB, or FF may be significant factors predicting more accurately the need for operative intervention. A predictive model using the combination of clinical and image findings might determine with more certainty, the need for surgical intervention in children with BAT and equivocal CT findings. Validation on a larger multi-institutional data set should be done.
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Affiliation(s)
- Abdulraouf Lamoshi
- Department of Pediatric Surgery, John R. Oishei Children's Hospital, Buffalo, New York.
| | - Nicole Wagner
- Department of Pediatric Surgery, John R. Oishei Children's Hospital, Buffalo, New York
| | - Ziqiang Chen
- Department of Biostatistics, School of Public Health and Health Professions, University at Buffalo, Buffalo, New York
| | - Tiffany Fabiano
- Department of Pediatric Surgery, John R. Oishei Children's Hospital, Buffalo, New York
| | - Gregory E Wilding
- Department of Biostatistics, School of Public Health and Health Professions, University at Buffalo, Buffalo, New York
| | - David H Rothstein
- Department of Pediatric Surgery, John R. Oishei Children's Hospital, Buffalo, New York; Department of Surgery, University at Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York
| | - Kathyrn Bass
- Department of Pediatric Surgery, John R. Oishei Children's Hospital, Buffalo, New York; Department of Surgery, University at Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York
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European Society of Paediatric Radiology abdominal imaging task force: recommendations for contrast-enhanced ultrasound and diffusion-weighted imaging in focal renal lesions in children. Pediatr Radiol 2020; 50:297-304. [PMID: 31776600 DOI: 10.1007/s00247-019-04552-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 08/17/2019] [Accepted: 09/26/2019] [Indexed: 12/13/2022]
Abstract
Contrast-enhanced ultrasound (CEUS) and diffusion-weighted imaging (DWI) are safe, repeatable imaging techniques. The aim of this paper is to discuss the advantages, technical factors and possible clinical applications of these imaging tools in focal renal lesions in children.
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29
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Sforza S, Persano G, Cini C, Sforzi I, Grosso AA, Bronzini F, Bussolin L, Acquafresca M, Masieri L. Renal pseudoaneurysm after blunt trauma in a 10-year-old girl: A case report. Urologia 2020; 88:157-159. [PMID: 31969047 DOI: 10.1177/0391560319896155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
INTRODUCTION Renal trauma is a relevant cause of morbidity in children older than 1 year. Most patients are currently managed conservatively, even in case of high-grade traumas; nevertheless, harmful complications may occur even in hemodynamically stable patients. We present a case of grade IV blunt renal trauma complicated by post-traumatic pseudoaneurysm. CASE DESCRIPTION A 10-year-old girl was referred to our institution for grade IV trauma of the right kidney. During observation she had persistent hematuria that caused anemia. A second contrast-enhanced computed tomography scan revealed a posttraumatic pseudoaneurysm that was successfully treated by angiographic embolization. CONCLUSIONS Although extremely rare after blunt renal trauma, post-traumatic renal pseudoaneurysm may cause severe blood loss and anemia, and angioembolization is therefore indicated. This condition should be suspected and move physicians to investigate further.
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Affiliation(s)
- Simone Sforza
- Department of Oncologic, Minimally-Invasive Urology and Andrology, Careggi Hospital, University of Florence, Florence, Italy.,Department of Pediatric Surgery, Pediatric Urology Unit, Meyer Children's Hospital, Florence, Italy
| | - Giorgio Persano
- Department of Pediatric Surgery, IRCCS Gaslini, Genoa, Italy
| | - Chiara Cini
- Department of Pediatric Surgery, Pediatric Urology Unit, Meyer Children's Hospital, Florence, Italy
| | - Idanna Sforzi
- Meyer Children Hospital, Trauma Center, Florence, Italy
| | - Antonio Andrea Grosso
- Department of Oncologic, Minimally-Invasive Urology and Andrology, Careggi Hospital, University of Florence, Florence, Italy
| | | | | | | | - Lorenzo Masieri
- Department of Oncologic, Minimally-Invasive Urology and Andrology, Careggi Hospital, University of Florence, Florence, Italy.,Department of Pediatric Surgery, Pediatric Urology Unit, Meyer Children's Hospital, Florence, Italy
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30
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Abstract
Trauma is the leading cause of morbidity and mortality in the pediatric population. Due to a variety of factors, many pediatric trauma patients are initially evaluated and stabilized at adult hospitals that lack pediatric specific emergency medicine and surgical expertise. While similar to adult patients, the initial evaluation and resuscitation of pediatric patients does differ. Many of these key differences contribute to missed injury and susceptibility to error in the treatment of children. Here, we highlight a variety of differences between pediatric and adult trauma patients and clarify reasoning for these differences. Error traps that are discussed include missed cases of non-accidental trauma, missed blunt cerebrovascular injury, over use of CT (computed tomography) scans with unnecessary radiation exposure, missed small bowel or mesenteric injury, and unrecognized hemodynamic instability.
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Affiliation(s)
- Shannon N Acker
- Division of Pediatric Surgery, Department of Surgery, University of Colorado School of Medicine, Children's Hospital Colorado, 13123 East 16th Avenue, Box 323, Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Ann M Kulungowski
- Division of Pediatric Surgery, Department of Surgery, University of Colorado School of Medicine, Children's Hospital Colorado, 13123 East 16th Avenue, Box 323, Anschutz Medical Campus, Aurora, CO 80045, USA.
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31
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Zeeshan M, Hamidi M, O'Keeffe T, Hanna K, Kulvatunyou N, Tang A, Joseph B. Pediatric Liver Injury: Physical Examination, Fast and Serum Transaminases Can Serve as a Guide. J Surg Res 2019; 242:151-156. [PMID: 31078899 DOI: 10.1016/j.jss.2019.04.021] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 02/21/2019] [Accepted: 04/04/2019] [Indexed: 11/19/2022]
Abstract
BACKGROUND The aim of our study was to determine if the combination of physical examination (PE), serum transaminases along with Focused Assessment with Sonography in Trauma (FAST) would effectively rule out major hepatic injuries (HIs) after blunt abdominal trauma (BAT) in hemodynamically stable pediatric patients. METHODS We conducted a 9-year retrospective study of pediatric patients (<18 y) with BAT. We collected data on liver enzymes (aspartate transaminase [AST] and alanine transaminase [ALT]), FAST, and PE findings. Definitive diagnosis and staging of HI were based on abdominal CT scanning. The sensitivity and specificity of ALT/AST, FAST, and PE were then calculated individually and in combination. RESULTS We identified a total of 423 pediatric patients with BAT. Mean age was 11 y, median abdominal Abbreviated Injury Scale was 3 [2-4], and mean ED-SBP was 132 mm Hg. One hundred ninety-eight patients had HI of which 107 were major HI, defined by the American Association for the Surgery of Trauma as ≥grade III. Using ROC curve analysis, optimum ALT and AST thresholds were determined to be 90 U/L and 120 U/L, respectively. The sensitivity of FAST was 50% while that of PE was 40%. Combining PE with AST/ALT and FAST had an overall sensitivity of 97%, a specificity of 95%, a positive predictive value of 87%, and a negative predictive value of 98%. CONCLUSIONS In hemodynamically stable pediatric blunt abdominal trauma patients, CT scanning can be avoided using a combination of readily available tests thus avoiding unnecessary radiation exposure. However, pediatric patients with positive PE, FAST, and elevated AST/ALT may eventually require CT scan to further evaluate liver injuries.
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Affiliation(s)
- Muhammad Zeeshan
- Division of Trauma, Emergency Surgery, Critical Care, and Burns, Department of Surgery, University of Arizona, Tucson, Arizona
| | - Mohammad Hamidi
- Division of Trauma, Emergency Surgery, Critical Care, and Burns, Department of Surgery, University of Arizona, Tucson, Arizona
| | - Terence O'Keeffe
- Division of Trauma, Emergency Surgery, Critical Care, and Burns, Department of Surgery, University of Arizona, Tucson, Arizona
| | - Kamil Hanna
- Division of Trauma, Emergency Surgery, Critical Care, and Burns, Department of Surgery, University of Arizona, Tucson, Arizona
| | - Narong Kulvatunyou
- Division of Trauma, Emergency Surgery, Critical Care, and Burns, Department of Surgery, University of Arizona, Tucson, Arizona
| | - Andrew Tang
- Division of Trauma, Emergency Surgery, Critical Care, and Burns, Department of Surgery, University of Arizona, Tucson, Arizona
| | - Bellal Joseph
- Division of Trauma, Emergency Surgery, Critical Care, and Burns, Department of Surgery, University of Arizona, Tucson, Arizona.
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32
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Vogel AM, Zhang J, Mauldin PD, Williams RF, Huang EY, Santore MT, Tsao K, Falcone RA, Dassinger MS, Haynes JH, Blakely ML, Russell RT, Naik-Mathuria BJ, St Peter SD, Mooney D, Upperman JS, Streck CJ. Variability in the evalution of pediatric blunt abdominal trauma. Pediatr Surg Int 2019; 35:479-485. [PMID: 30426222 DOI: 10.1007/s00383-018-4417-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/03/2018] [Indexed: 11/26/2022]
Abstract
PURPOSE To describe the practice pattern for routine laboratory and imaging assessment of children following blunt abdominal trauma (BAT). METHODS Children (age < 16 years) presenting to 14 pediatric trauma centers following BAT over a 1-year period were prospectively identified. Injury, demographic, routine laboratory and imaging utilization data were collected. Descriptive, comparative, and correlation analysis was performed. RESULTS 2188 children with a median age of 8 (4,12) years were included and the median injury severity score was 5 (1,10). There were significant differences in activation status, injury severity, and mechanism across centers; however, there was no correlation of level of activation, injury severity, or severe mechanism with test utilization. Routine laboratory and imaging utilization for hematocrit, hepatic enzymes, pancreatic enzymes, base deficit urine microscopy, chest and pelvis X-ray, and abdominal computed tomography (CT) varied significantly among centers. Only obtaining a hematocrit had a moderate correlation with CT use. There was no correlation between centers that were high or low frequency laboratory utilizers with CT use. CONCLUSIONS Wide variability exists in the routine initial laboratory and imaging assessment in children following BAT. This represents an opportunity for quality improvement in pediatric trauma. LEVEL OF EVIDENCE Level II.
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Affiliation(s)
- Adam M Vogel
- Baylor College of Medicine, Texas Children's Hospital, 6701 Fannin Street, Suite 1210, Houston, TX, 77030, USA.
| | - Jingwen Zhang
- Medical University of South Carolina, Charleston, SC, USA
| | | | - Regan F Williams
- University of Tennessee Health Science Center at Memphis, Memphis, TN, USA
| | - Eunice Y Huang
- University of Tennessee Health Science Center at Memphis, Memphis, TN, USA
| | | | - Kuojen Tsao
- University of Texas Health Science Center at Houston, Houston, TX, USA
| | | | | | | | | | - Robert T Russell
- University of Alabama Birmingham School of Medicine, Birmingham, AL, USA
| | - Bindi J Naik-Mathuria
- Baylor College of Medicine, Texas Children's Hospital, 6701 Fannin Street, Suite 1210, Houston, TX, 77030, USA
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Springer E, Frazier SB, Arnold DH, Vukovic AA. External validation of a clinical prediction rule for very low risk pediatric blunt abdominal trauma. Am J Emerg Med 2018; 37:1643-1648. [PMID: 30502218 DOI: 10.1016/j.ajem.2018.11.031] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 11/17/2018] [Accepted: 11/21/2018] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND Computed tomography (CT) is frequently used to identify intra-abdominal injuries in children with blunt abdominal trauma (BAT). The Pediatric Emergency Care Applied Research Network (PECARN) proposed a prediction rule to identify children with BAT who are at very low risk for clinically-important intra-abdominal injuries (CIIAI) in whom CT can be avoided. OBJECTIVE To determine the sensitivity of this prediction rule in identifying patients at very low risk for CIIAI in our pediatric trauma registry. METHODS Retrospective review of our institutional trauma registry to identify patients with CIIAI. CIIAI included cases resulting in death, therapeutic intervention at laparotomy, angiographic embolization of intra-abdominal arterial bleeding, blood transfusion for intra-abdominal hemorrhage, and administration of intravenous fluids for two or more nights for pancreatic or gastrointestinal injuries. Patients were identified using ICD diagnosis and procedure codes. Kappa was calculated to evaluate inter-reviewer agreement. RESULTS Of 5743 patients, 133 (2.3%) had CIIAI. 60% were male and the mean age was 8 (SD 4.4) years. One patient with CIIAI met the proposed very low risk criteria, resulting in a prediction rule sensitivity of 99%, 95% CI [96-100%]. This patient also had extra-abdominal arterial bleeding requiring revascularization, offering an alternative reason for transfusion. Kappa was 0.85, 95% CI [0.82, 0.89], indicating strong inter-rater agreement. CONCLUSIONS One out of 133 patients with CIIAI met very low risk criteria based on the PECARN prediction rule. This study supports the PECARN clinical prediction rule in decreasing CT use in pediatric patients at very low risk for CIIAI.
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Affiliation(s)
- Elise Springer
- Department of Pediatrics, Division of Pediatric Emergency Medicine, Vanderbilt University Medical Center, 2200 Children's Way Suite 1025, Nashville, TN 37232, USA
| | - S Barron Frazier
- Department of Pediatrics, Division of Pediatric Emergency Medicine, Vanderbilt University Medical Center, 2200 Children's Way Suite 1025, Nashville, TN 37232, USA
| | - Donald H Arnold
- Department of Pediatrics, Division of Pediatric Emergency Medicine, Vanderbilt University Medical Center, 2200 Children's Way Suite 1025, Nashville, TN 37232, USA; Department of Pediatrics, Division of Pulmonary Medicine and the Center for Asthma Research, Vanderbilt University School of Medicine, 2200 Children's Way, Nashville, TN 37232, USA
| | - Adam A Vukovic
- Department of Pediatrics, Division of Pediatric Emergency Medicine, Vanderbilt University Medical Center, 2200 Children's Way Suite 1025, Nashville, TN 37232, USA.
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Flynn‐O'Brien KT, Kuppermann N, Holmes JF. Costal Margin Tenderness and the Risk for Intraabdominal Injuries in Children With Blunt Abdominal Trauma. Acad Emerg Med 2018; 25:776-784. [PMID: 29654622 DOI: 10.1111/acem.13426] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Revised: 03/25/2018] [Accepted: 03/28/2018] [Indexed: 11/28/2022]
Abstract
BACKGROUND The risk of radiation exposure from computed tomography (CT) imaging in children is well recognized. Patient history and physical examination findings, including costal margin tenderness (CMT), influence a physician's decision to image a child with blunt torso trauma. The objective of this study was to determine the importance of CMT for identifying children with intraabdominal injuries (IAI) found on CT and IAI undergoing acute intervention. METHODS We conducted an analysis of the Pediatric Emergency Care Applied Research Network (PECARN) IAI public use data set, representing a large prospective multicenter cohort study from May 2007 to January 2010. Isolated CMT was defined as CMT without other identified PECARN risk factors for IAI (i.e., abdominal or thoracic wall trauma, abdominal tenderness or pain, decreased breath sounds, or vomiting). Logistic regression was used to calculate adjusted odds of IAI in children presenting with isolated and nonisolated CMT. Risk differences were calculated to estimate the risk of IAI independently attributable to CMT in the setting of isolated PECARN risk factors. Finally, CT use among exposure groups was estimated to quantify potentially avoidable imaging. RESULTS Among 9,174 children with Glasgow Coma Scale scores of 14 or 15 who sustained blunt torso trauma, 1,267 (13.8%) had CMT. Among those with CMT, 177 (14.0%) had isolated CMT and 1,090 (86.0%) had nonisolated CMT. No children (0/177; 0%, 95% confidence interval [CI] = 0.0%-2.1%) with isolated CMT had IAI, compared to 17.2% (187/1,090; 95% CI = 15.0%-19.5%) of those with nonisolated CMT. The risk differences were not statistically significant. 36/177 (20.3%; 95% CI = 14.7%-27.0%) children with isolated CMT underwent abdominal CT scans. CONCLUSIONS The risk of IAI associated with isolated CMT is minimal. For children with blunt abdominal trauma and isolated CMT, abdominal CT scan is of low yield.
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Affiliation(s)
| | - Nathan Kuppermann
- Department of Emergency Medicine UC Davis School of Medicine Sacramento CA
- Department of Pediatrics UC Davis School of Medicine Sacramento CA
| | - James F. Holmes
- Department of Emergency Medicine UC Davis School of Medicine Sacramento CA
- Department of Pediatrics UC Davis School of Medicine Sacramento CA
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35
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Abstract
Advances in medical imaging are invaluable in the care of pediatric patients in the emergent setting. The diagnostic accuracy offered by studies using ionizing radiation, such as plain radiography, computed tomography, and fluoroscopy, are not without inherent risks. This article reviews the evidence supporting the risk of ionizing radiation from medical imaging as well as discusses clinical scenarios in which clinicians play an important role in supporting the judicious use of imaging studies.
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Affiliation(s)
- Amy L Puchalski
- Department of Emergency Medicine, Division of Pediatric Emergency Medicine, Carolinas Medical Center, Levine Children's Hospital, 1000 Blythe Boulevard, Charlotte, NC 28203, USA.
| | - Christyn Magill
- Department of Emergency Medicine, Division of Pediatric Emergency Medicine, Carolinas Medical Center, Levine Children's Hospital, 1000 Blythe Boulevard, Charlotte, NC 28203, USA
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Ntoulia A, Anupindi SA, Darge K, Back SJ. Applications of contrast-enhanced ultrasound in the pediatric abdomen. Abdom Radiol (NY) 2018; 43:948-959. [PMID: 28980061 DOI: 10.1007/s00261-017-1315-0] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Contrast-enhanced ultrasound (CEUS) is a radiation-free, safe, and in specific clinical settings, highly sensitive imaging modality. Over the recent decades, there is cumulating experience and a large volume of published safety and efficacy data on pediatric CEUS applications. Many of these applications have been directly translated from adults, while others are unique to the pediatric population. The most frequently reported intravenous abdominal applications of CEUS in children are the characterization of focal liver lesions, monitoring of solid abdominal tumor response to treatment, and the evaluation of intra-abdominal parenchymal injuries in selected cases of blunt abdominal trauma. The intravesical CEUS application, namely contrast-enhanced voiding urosonography (ceVUS), is a well-established, pediatric-specific imaging technique entailing the intravesical administration of ultrasound contrast agents for detection and grading of vesicoureteral reflux. In Europe, all pediatric CEUS applications remain off-label. In 2016, the United States Food and Drug Administration (FDA) approved the most commonly used worldwide second-generation ultrasound contrast SonoVue®/Lumason® for pediatric liver and intravesical applications, giving new impetus to pediatric CEUS worldwide.
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Affiliation(s)
- Aikaterini Ntoulia
- Department of Radiology, Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, Philadelphia, PA, 19104, USA.
| | - Sudha A Anupindi
- Department of Radiology, Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, Philadelphia, PA, 19104, USA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA
| | - Kassa Darge
- Department of Radiology, Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, Philadelphia, PA, 19104, USA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA
| | - Susan J Back
- Department of Radiology, Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, Philadelphia, PA, 19104, USA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA
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Leeper CM, Nasr I, Koff A, McKenna C, Gaines BA. Implementation of clinical effectiveness guidelines for solid organ injury after trauma: 10-year experience at a level 1 pediatric trauma center. J Pediatr Surg 2018. [PMID: 28625692 DOI: 10.1016/j.jpedsurg.2017.05.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND Diagnostic imaging of pediatric blunt abdominal trauma is evolving in light of increased attention to radiation exposure. We hypothesize that the implementation of imaging guidelines has reduced total CT scans without missing clinically significant injury. METHODS We retrospectively reviewed blunt trauma patients age 0-17 with solid organ injury who underwent CT scan at our academic level 1 pediatric trauma center between 2005 and 2014. Variables including total annual trauma admissions and CT scans, demographics, injury characteristics, and procedures were recorded. Descriptive statistics, Fisher exact and rank sum testing were performed. p<0.05 defined significance. RESULTS Overall percentage of abdominal CT scans decreased significantly after protocol implementation. There were 498 solid organ injuries in 403 subjects. There was a significant decrease in the median percentage of low grade injuries (1.3% versus 0.6%; p=0.019) but no difference in high grade injuries (1.3% versus 1.1%; p=0.394). No patient had death, readmission or delayed diagnosis of injury requiring intervention. CONCLUSION Implementation of imaging guidelines for blunt abdominal trauma decreased the incidence of low grade solid organ injuries at our institution, but did not inhibit diagnosis and safe management of high grade injuries. Selective imaging of trauma patients decreases childhood radiation exposure and does not result in delayed bleeding or death. LEVEL OF EVIDENCE Level III, retrospective study.
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Affiliation(s)
- Christine M Leeper
- Division of General Surgery and Trauma, Department of Surgery, University of Pittsburgh Medical Center. 200 Lothrop Street, Pittsburgh, PA 15213, USA; Children's Hospital of Pittsburgh of UPMC. 7th Floor, Faculty Pavilion, One Children's Hospital Drive, 4401 Penn Avenue, Pittsburgh, PA 15224, USA.
| | - Isam Nasr
- The Johns Hopkins Department of Surgery, 1800 Orleans Street Pediatric Surgery Bloomberg 7323, Baltimore, MD 2128.
| | - Abigail Koff
- Division of General Surgery and Trauma, Department of Surgery, University of Pittsburgh Medical Center. 200 Lothrop Street, Pittsburgh, PA 15213, USA.
| | - Christine McKenna
- Children's Hospital of Pittsburgh of UPMC. 7th Floor, Faculty Pavilion, One Children's Hospital Drive, 4401 Penn Avenue, Pittsburgh, PA 15224, USA.
| | - Barbara A Gaines
- Children's Hospital of Pittsburgh of UPMC. 7th Floor, Faculty Pavilion, One Children's Hospital Drive, 4401 Penn Avenue, Pittsburgh, PA 15224, USA.
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Missed Opportunities to Decrease Radiation Exposure in Children with Renal Trauma. J Urol 2018; 199:552-557. [DOI: 10.1016/j.juro.2017.09.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/05/2017] [Indexed: 11/22/2022]
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Drucker NA, McDuffie L, Groh E, Hackworth J, Bell TM, Markel TA. Physical Examination is the Best Predictor of the Need for Abdominal Surgery in Children Following Motor Vehicle Collision. J Emerg Med 2017; 54:1-7. [PMID: 29107481 DOI: 10.1016/j.jemermed.2017.08.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 06/28/2017] [Accepted: 08/08/2017] [Indexed: 11/19/2022]
Abstract
BACKGROUND Exploratory laparotomy in children after motor vehicle collision (MVC) is rare. In the absence of definitive hemorrhage or free abdominal air on radiographic imaging, predictors for operative exploration are conflicting. OBJECTIVE The purpose of this study was to explore objective findings that may aid in determining which children require operative abdominal exploration after MVC. METHODS Data from 2010-2014 at an American College of Surgeons-certified level 1 pediatric trauma center were retrospectively reviewed. Demographics, vital signs, laboratory data, radiologic studies, operative records, associated injuries, and outcomes were analyzed and p < 0.05 was considered statistically significant. RESULTS Eight hundred sixty-two patients 0-18 years of age presented to the hospital after an MVC during the study period. Seventeen patients (2.0%) required abdominal exploration and all were found to have intraabdominal injuries. Respiratory rate was the only vital sign that was significantly altered (p = 0.04) in those who required abdominal surgery compared with those who did not. Physical examination findings, such as the seat belt sign, abdominal bruising, abdominal wound, and abdominal tenderness, were present significantly more frequently in those requiring abdominal surgery (p < 0.0001). Each finding had a negative predictive value for the need for operative exploration of at least 0.98. There were no significant differences in trauma laboratory values or radiographic findings between the 2 groups. CONCLUSION Data from this study solidify the relationship between specific physical examination findings and the need for abdominal exploration after MVC in children. In addition, these data suggest that a lack of the seat belt sign, abdominal bruising, abdominal wounds, or abdominal tenderness are individually predictive of patients who will not require surgical intervention.
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Affiliation(s)
- Natalie A Drucker
- Indiana University School of Medicine, Section of Pediatric Surgery, Indianapolis, Indiana
| | - Lucas McDuffie
- Indiana University School of Medicine, Section of Pediatric Surgery, Indianapolis, Indiana
| | - Eric Groh
- Indiana University School of Medicine, Section of Pediatric Surgery, Indianapolis, Indiana
| | - Jodi Hackworth
- Riley Hospital for Children, Indiana University Health, Section of Pediatric Surgery, Indianapolis, Indiana
| | - Teresa M Bell
- Indiana University School of Medicine, Section of Pediatric Surgery, Indianapolis, Indiana
| | - Troy A Markel
- Indiana University School of Medicine, Section of Pediatric Surgery, Indianapolis, Indiana; Riley Hospital for Children, Indiana University Health, Section of Pediatric Surgery, Indianapolis, Indiana; Department of Surgery, Section of Pediatric Surgery, Indianapolis, Indiana
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Should grade of solid organ injury determine need for hospitalization in children? J Trauma Acute Care Surg 2017; 82:109-113. [PMID: 28002386 DOI: 10.1097/ta.0000000000001303] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Management of solid organ injuries (SOI) in children is often predicated on radiologic grade of injury. Hypothesizing that grade may not necessarily determine hospitalization need, we investigated factors associated with hospitalization in cases of isolated SOI in children. METHODS Retrospective review of all cases admitted to one pediatric trauma centre over 10 yrs revealed 86 cases with SOI established by computed tomography (CT) scan upon admission. Review of all scans by one pediatric radiologist was performed to determine SOI grade. χ and Fisher's tests were used to determine associations with presenting clinical features and SOI grade with early outcomes. RESULTS Ninety-one cases of SOI were identified. Of these, 56 were isolated to solid organs, whereas the others were multisystem; 12 were grades I and II and 44 grades III to V. Variables associated with length of stay longer than 2 days were admission hematocrit (Hct) less than 33% (p = 0.006) and need for narcotics or anti-emetics upon admission (p = 0.002; p < 0.0001). Significant associations between these features and need for narcotics or anti-emetics the following day were also observed. No features predicted a significant drop in Hct over the first 24 hours or need for transfusion. Nineteen patients did not require narcotics, anti-emetics, or transfusions; 11 of these stayed in hospital for 2 days or shorter. The CT grade was not predictive of any short term outcomes. CONCLUSIONS Clinical status, low admission Hct, and need for medications may be better predictors of admission requirements of patients with isolated SOI than CT grade. Brief emergency department observation and discharge home may be appropriate for stable patients with isolated BAT without concerning clinical features, despite findings of SOI on imaging. LEVEL OF EVIDENCE Therapeutic study, level V.
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Abstract
OBJECTIVES To determine the need for computerized tomography (CT) scans in the assessment of pediatric pelvic fractures. DESIGN Retrospective Chart Review. SETTING Level-1 Pediatric Trauma Center. PATIENTS/PARTICIPANTS Thirty pediatric trauma patients with pelvic fractures who have obtained both a radiograph and CT scan. MAIN OUTCOME MEASUREMENTS Fleiss Kappa coefficient to compare interreliability. RESULTS The average age of the patients was 7 years (range 1-13 years). Seventeen were males and 13 were females. The Torode and Zieg classification included 3 type I, 6 type II, 13 type III, and 8 type IV. The Kappa value for interobserver agreement comparing radiographs was 0.453, and for CT was 0.42. Three patients (10%) were treated with a spica cast, and none required surgery for their pelvic fracture. Four patients (11%) demonstrated liver, spleen, or kidney injuries on CT. Out of those 4, 1 had indications for laparotomy and drain placement, 1 died secondary to shock, and 2 were treated conservatively. CONCLUSIONS The results of this study demonstrated that plain radiographs alone can be used to classify and manage most pediatric fractures, confirming Silber previous findings. Furthermore, we recommend the specific instances of Schreck and Haasz et al in which CT scans should be used, sparing the general pediatric population unnecessary radiation. Such cases include patients with an abnormal abdominal or pelvic examination, complex fracture patterns, displacement greater than 1 cm, femur deformities, hematuria, Glasgow Coma Scale <13, hemodynamic instability, an aspartate aminotransferase > 200 U/L, an Hct < 30%, or an abnormal chest x-ray.
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Streck CJ, Vogel AM, Zhang J, Huang EY, Santore MT, Tsao K, Falcone RA, Dassinger MS, Russell RT, Blakely ML, Mauldin PD, Calder BW, Savoie KB, Haynes JH, Naik-Mathuria BJ, St Peter SD, Mooney DP, Onwubiko C, Upperman JS. Identifying Children at Very Low Risk for Blunt Intra-Abdominal Injury in Whom CT of the Abdomen Can Be Avoided Safely. J Am Coll Surg 2017; 224:449-458.e3. [DOI: 10.1016/j.jamcollsurg.2016.12.041] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Accepted: 12/19/2016] [Indexed: 11/29/2022]
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Re-evaluation of liver transaminase cutoff for CT after pediatric blunt abdominal trauma. Pediatr Surg Int 2017; 33:311-316. [PMID: 27878593 DOI: 10.1007/s00383-016-4026-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/14/2016] [Indexed: 10/24/2022]
Abstract
PURPOSE Current guidelines for computed tomography (CT) after blunt trauma were developed to capture all intra-abdominal injuries (IAI). We hypothesize that current AST/ALT guidelines are too low leading to unnecessary CT scans for children after blunt abdominal trauma (BAT). METHODS Patients who received CT of the abdomen after blunt trauma at our Level I Pediatric Trauma Center were stratified into a high risk (HR) (liver/spleen/kidney grade ≥III, hollow viscous, or pancreatic injuries) and low risk (LR) (liver/kidney/spleen injuries grade ≤II, or no IAI) groups. RESULTS 247 patients were included. Of the 18 patients in the HR group, two required surgery (splenectomy and sigmoidectomy). Transfusion was required in 30% of grade III and 50% of grade IV injuries. Eleven (5%) patients in LR group were transfused for indications other than IAI, and none were explored surgically. Both AST (r = 0.44, p < 0.001) and ALT (r = 0.43, p < 0.001) correlated with grade of liver injury. Using an increased threshold of AST/ALT, 400/200 had a negative predictive value of 96% in predicting the presence of HR liver injuries. CONCLUSION The current cutoff of liver enzymes leads to over-identification of LR injuries. Consideration should be given to an approach that aims to utilize CT in pediatric BAT that identifies clinically HR injury.
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Zhao DW, Tian M, Zhang LT, Li T, Bi J, He JY, Zhang YY. Effectiveness of contrast-enhanced ultrasound and serum liver enzyme measurement in detection and classification of blunt liver trauma. J Int Med Res 2017; 45:170-181. [PMID: 28222646 PMCID: PMC5536591 DOI: 10.1177/0300060516678525] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Objective This study was performed to identify the correlation between contrast-enhanced ultrasound (CEUS) and contrast-enhanced multidetector computed tomography (CE-MDCT) as well as the correlation between serum liver enzyme concentrations and CE-MDCT in classification of the severity of blunt hepatic trauma using CE-MDCT as a reference standard. Materials and methods A blunt liver trauma model was created using 20 rabbits, and CE-MDCT, CEUS, and serum liver enzyme assays were performed. A radiologist and an ultrasound physician independently evaluated the degree of liver trauma. The diagnostic performance of CEUS and serum liver enzyme measurements was compared with that of CE-MDCT using Spearman’s correlation analysis and Pearson’s correlation analysis, respectively. Results Spearman’s rank correlation coefficient between the CEUS-based classification and CE-MDCT was 0.888. The aspartate aminotransferase and lactate dehydrogenase concentrations and the aspartate aminotransferase/alanine aminotransferase ratio were positively correlated with the grade of liver injury; Pearson’s correlation coefficients were 0.664, 0.704, and 0.503, respectively. The gamma-glutamyltransferase concentration had a significantly negative correlation with the grade of liver injury (r = −0.467). Conclusions CEUS and serum liver enzyme measurement exhibited high consistency with CE-MDCT for both detection and grading of intraparenchymal lesions in blunt liver trauma. These techniques may permit more accurate diagnosis of liver trauma.
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Affiliation(s)
- Da-Wei Zhao
- 1 Department of Ultrasound, Daping Hospital & Institute of Surgery Research, Third Military Medical University, Chongqing, China
| | - Meng Tian
- 1 Department of Ultrasound, Daping Hospital & Institute of Surgery Research, Third Military Medical University, Chongqing, China
| | - Le-Tian Zhang
- 2 Department of Radiology, Daping Hospital & Institute of Surgery Research, Third Military Medical University, Chongqing, China
| | - Tao Li
- 1 Department of Ultrasound, Daping Hospital & Institute of Surgery Research, Third Military Medical University, Chongqing, China
| | - Jie Bi
- 1 Department of Ultrasound, Daping Hospital & Institute of Surgery Research, Third Military Medical University, Chongqing, China
| | - Jia-Ying He
- 1 Department of Ultrasound, Daping Hospital & Institute of Surgery Research, Third Military Medical University, Chongqing, China
| | - Ying-Ying Zhang
- 1 Department of Ultrasound, Daping Hospital & Institute of Surgery Research, Third Military Medical University, Chongqing, China
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Bhatti KM, Taqi KM, Al-Harthy AZS, Hamid RS, Al-Balushi ZN, Sankhla DK, Al-Qadhi HA. Paediatric Blunt Torso Trauma: Injury mechanisms, patterns and outcomes among children requiring hospitalisation at the Sultan Qaboos University Hospital, Oman. Sultan Qaboos Univ Med J 2016; 16:e210-6. [PMID: 27226913 DOI: 10.18295/squmj.2016.16.02.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2015] [Revised: 02/17/2016] [Accepted: 03/03/2016] [Indexed: 12/25/2022] Open
Abstract
OBJECTIVES Trauma is the greatest cause of morbidity and mortality in paediatric/adolescent populations worldwide. This study aimed to describe trauma mechanisms, patterns and outcomes among children with blunt torso trauma admitted to the Sultan Qaboos University Hospital (SQUH) in Muscat, Oman. METHODS This retrospective single-centre study involved all children ≤12 years old with blunt torso trauma admitted for paediatric surgical care at SQUH between January 2009 and December 2013. Medical records were analysed to collect demographic and clinical data. RESULTS A total of 70 children were admitted with blunt torso trauma during the study period, including 39 (55.7%) male patients. The mean age was 5.19 ± 2.66 years. Of the cohort, 35 children (50.0%) received their injuries after having been hit by cars as pedestrians, while 19 (27.1%) were injured by falls, 12 (17.1%) during car accidents as passengers and four (5.7%) by falling heavy objects. According to computed tomography scans, thoracic injuries were most common (65.7%), followed by abdominal injuries (42.9%). The most commonly involved solid organs were the liver (15.7%) and spleen (11.4%). The majority of the patients were managed conservatively (92.9%) with a good outcome (74.3%). The mortality rate was 7.1%. Most deaths were due to multisystem involvement. CONCLUSION Among children with blunt torso trauma admitted to SQUH, the main mechanism of injury was motor vehicle accidents. As a result, parental education and enforcement of infant car seat/child seat belt laws are recommended. Conservative management was the most successful approach.
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Affiliation(s)
- Khalid M Bhatti
- Departments of Surgery, Sultan Qaboos University Hospital, Muscat, Oman
| | - Kadhim M Taqi
- Departments of Surgery, Sultan Qaboos University Hospital, Muscat, Oman
| | | | - Rana S Hamid
- Radiology, Sultan Qaboos University Hospital, Muscat, Oman
| | | | | | - Hani A Al-Qadhi
- Departments of Surgery, Sultan Qaboos University Hospital, Muscat, Oman
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Fu CY, Teng LH, Liao CH, Hsu YP, Wang SY, Kuo LW, Yuan KC. The Diminishing Role of Pelvic Stability Evaluation in the Era of Computed Tomographic Scanning. Medicine (Baltimore) 2016; 95:e3421. [PMID: 27100433 PMCID: PMC4845837 DOI: 10.1097/md.0000000000003421] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Pelvic fractures can result in life-threatening hemorrhages or other associated injuries. Therefore, computed tomography (CT) scanning plays a key role in the management of pelvic fracture patients. However, CT scanning is utilized as an adjunct in secondary survey according to traditional Advanced Trauma Life Support (ATLS) guidelines, whereas pelvic x-ray is used as a primary tool to evaluate pelvic stability and the necessity of further CT scanning. In the current study, we attempted to evaluate the role of CT scanning in the era of advanced technology. The significance of pelvic stability was also analyzed. From January 2012 to December 2014, the trauma registry and medical records of pelvic fracture patients were retrospectively reviewed. A 64-slice multidetector CT scanner was used in our emergency department as a standard diagnostic tool for evaluating trauma patients. Pelvic x-ray was used as a primary tool for screening pelvic fractures, and pelvic stability was evaluated accordingly. CT scans were performed in patients with unstable pelvic fractures, suspected associated intra-abdominal injuries (IAIs), or other conditions based on the physicians' clinical judgment. The clinical features of patients with stable and unstable pelvic fractures were compared. The patients with stable pelvic fractures were analyzed to determine the characteristics associated with retroperitoneal hemorrhage (RH) or IAIs. Patients with stable pelvic fractures were also compared based on whether they underwent a CT scan. A total of 716 patients were enrolled in this study. There were 533 (74.4%) patients with stable pelvic fractures. Of these patients, there were 66 (12.4%) and 50 (9.4%) patients with associated RH and IAI, respectively. There were no significant differences between the patients with associated RH based on their primary evaluation (vital signs, volume of blood transfusion, and hemoglobin level). Similarly, the demographics and the primary evaluation results (symptoms, coma scale, and white blood cell counts) of the patients with associated IAIs were also not significantly different from the patients without associated IAIs. Furthermore, the time to definitive hemostasis (surgery or angioembolization) was not significantly different between the unstable patients who underwent a CT scan or those who did not.In the management of pelvic fracture patients, the role of pelvic stability is not significant in the evaluation of associated RH or IAI. Routine CT scanning is suggested for pelvic fracture patients because of the rapid scanning time and sufficient information produced.
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Affiliation(s)
- Chih-Yuan Fu
- From the Department of Trauma and Emergency Surgery, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan
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Sabzghabaei A, Shojaee M, Safari S, Hatamabadi HR, Shirvani R. The Accuracy of Urinalysis in Predicting Intra-Abdominal Injury Following Blunt Traumas. EMERGENCY (TEHRAN, IRAN) 2016; 4:11-5. [PMID: 26862543 PMCID: PMC4744607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
INTRODUCTION In cases of blunt abdominal traumas, predicting the possible intra-abdominal injuries is still a challenge for the physicians involved with these patients. Therefore, this study was designed, to evaluate the accuracy of urinalysis in predicting intra-abdominal injuries. METHODS Patients aged 15 to 65 years with blunt abdominal trauma who were admitted to emergency departments were enrolled. Abdominopelvic computed tomography (CT) scan with intravenous contrast and urinalysis were requested for all the included patients. Demographic data, trauma mechanism, the results of urinalysis, and the results of abdominopelvic CT scan were gathered. Finally, the correlation between the results of abdominopelvic CT scan, and urinalysis was determined. Urinalysis was considered positive in case of at least one positive value in gross appearance, blood in dipstick, or red blood cell count. RESULTS 325 patients with blunt abdominal trauma were admitted to the emergency departments (83% male with the mean age of 32.63±17.48 years). Sensitivity, specificity, positive and negative predictive values, and positive and negative likelihood ratios of urinalysis, were 77.9% (95% CI: 69.6-84.4), 58.5% (95% CI: 51.2-65.5), 56% (95% CI: 48.5-63.3), 79.6% (95% CI: 71.8-85.7), 1.27% (95% CI: 1.30-1.57), and 0.25% (95% CI: 0.18-0.36), respectively. CONCLUSION The diagnostic value of urinalysis in prediction of blunt traumatic intra-abdominal injuries is low and it seems that it should be considered as an adjuvant diagnostic tool, in conjunction with other sources such as clinical findings and imaging.
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Affiliation(s)
- Anita Sabzghabaei
- Department of Emergency Medicine, Loghmane Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Majid Shojaee
- Department of Emergency Medicine, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Saeed Safari
- Department of Emergency Medicine, Shohadaye Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamid Reza Hatamabadi
- Department of Emergency Medicine, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Reza Shirvani
- Department of Emergency Medicine, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Corresponding Author: Reza Shirvani; Emergency Department, Imam Hossein Hospital, Shahid Madani Avenue, Imam Hossein Square, Tehran, Iran.
Postal code: 1989934148; Tel/Fax: 00982122721155
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Hershkovitz Y, Naveh S, Kessel B, Shapira Z, Halevy A, Jeroukhimov I. Elevated white blood cell count, decreased hematocrit and presence of macrohematuria correlate with abdominal organ injury in pediatric blunt trauma patients: a retrospective study. World J Emerg Surg 2015; 10:41. [PMID: 26379763 PMCID: PMC4570506 DOI: 10.1186/s13017-015-0034-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Accepted: 08/19/2015] [Indexed: 11/21/2022] Open
Abstract
Introduction Computerized tomography (CT) has become an important diagnostic modality in trauma patients. Pediatric patients are particularly susceptible to ionized radiation making liberal CT use in this age group unacceptable. We aimed to identify parameters that might predict abnormal findings on abdominal CT leading to patient management changes. Methods Data on blunt trauma patients up to 15 years of age admitted to Assaf Harofeh Medical Center from January 2007 to October 2014 was retrospectively collected. All patients with abdominal CT scan as part of initial assessment were included. Medical and surgical data were extracted from the medial charts. Patients were divided into two groups. Group I: patients whose management was changed solely based on abdominal CT findings and Group II: patients with normal abdominal CT. The groups were compared by all the data parameters. Results Overall, 182 patients were included in the study. The groups were comparable by age and mechanism of injury. Management changes based on CT findings were found in 68 (37.4 %) patients. White blood cell count >14000, abnormally low hematocrit level and macrohematuria were associated with a diagnosis of intra-abdominal injury requiring patient management changes (p < 0.05). Group I patients had longer LOS. Fifteen patients (22 %) required active intervention based solely on CT findings. Physical examination, arterial blood gases and initial radiology examinations results did not correlate with abdominal CT findings. Conclusions Elevated WBC, decreased hematocrit and presence of macrohematuria strongly correlate with abdominal CT findings and lead to changes in patient management.
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Affiliation(s)
- Yehuda Hershkovitz
- Division of Surgery, Assaf Harofeh Medical Center, Zerifin 70300, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Sergei Naveh
- Division of Surgery, Assaf Harofeh Medical Center, Zerifin 70300, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Boris Kessel
- Trauma Unit, Hillel Yaffe Medical Center, Hadera, 38100 Israel
| | - Zahar Shapira
- Division of Surgery, Assaf Harofeh Medical Center, Zerifin 70300, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ariel Halevy
- Division of Surgery, Assaf Harofeh Medical Center, Zerifin 70300, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Igor Jeroukhimov
- Division of Surgery, Assaf Harofeh Medical Center, Zerifin 70300, affiliated to the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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Putnam LR, Nguyen LK, Lally KP, Franzini L, Tsao K, Austin MT. A statewide analysis of specialized care for pediatric appendicitis. Surgery 2015; 158:787-92. [DOI: 10.1016/j.surg.2015.05.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Revised: 04/13/2015] [Accepted: 05/18/2015] [Indexed: 11/15/2022]
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