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Malhotra AK, Ide K, Salaheen Z, Mahood Q, Cunningham J, Hutchison J, Guerguerian AM. Acute Fluid Biomarkers for Diagnosis and Prognosis in Children with Mild Traumatic Brain Injury: A Systematic Review. Mol Diagn Ther 2024; 28:169-187. [PMID: 38133736 DOI: 10.1007/s40291-023-00685-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/09/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND AND OBJECTIVE Fluid biomarkers have the potential to improve the accuracy of diagnosis and prognosis in children with mild traumatic brain injury. Our primary objective was to assess the diagnostic and prognostic utility of acute blood and fluid biomarkers in children with mild traumatic brain injury. METHODS We performed a systematic review of the published literature in accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) methodology. Fluid biomarker studies assessing pediatric mild traumatic brain injury diagnosis or prognosis were included if blood or fluids were sampled within 24 h of injury. RESULTS Thirty-two studies involving 4743 patients were included comprising 25 diagnostic studies and ten prognostic studies with three studies assessing both diagnosis and prognosis. Sixteen of the 25 diagnostic studies reported the area under the receiver operating characteristic curve (AUC) for predicting abnormal computed tomography scans of the head; S100 calcium binding protein B (S100B, N = 6 studies, AUC range 0.67-1.00), glial fibrillary acidic protein (N = 5, AUC range 0.41-0.85), ubiquitin C-terminal hydrolase (N = 3, AUC 0.59 and 0.83), neuron specific enolase (N = 1, AUC 0.99), total tau (N = 1, AUC 0.65), and interleukin-6 (N = 1, AUC 0.61). In four of the ten prognostic studies, increased acute serum S100B levels, tumor necrosis factor-α, or interleukin-8 were associated with post-concussive symptoms or fatigue from 3 to 12 months post-injury. CONCLUSIONS The largest amount of evidence supported the potential use of S100B, glial fibrillary acidic protein, and UCH-L1, but there was mixed accuracy for diagnosis and prognostication for all biomarkers in pediatric mTBI.
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Affiliation(s)
- Armaan K Malhotra
- Division of Neurosurgery, University of Toronto, Toronto, ON, Canada
| | - Kentaro Ide
- Department of Critical Care and Anesthesia, The National Center for Child Health and Development, Tokyo, Japan
| | - Zaid Salaheen
- Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Quenby Mahood
- Reference Library, The Hospital for Sick Children, Toronto, ON, Canada
| | - Jessie Cunningham
- Reference Library, The Hospital for Sick Children, Toronto, ON, Canada
| | - Jamie Hutchison
- Department of Critical Care Medicine, The Hospital for Sick Children, 555 University Avenue, Toronto, ON, M5G 1X8, Canada.
- Neuroscience and Mental Health Research Program, The Hospital for Sick Children Research Institute, Toronto, ON, Canada.
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada.
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada.
| | - Anne-Marie Guerguerian
- Department of Critical Care Medicine, The Hospital for Sick Children, 555 University Avenue, Toronto, ON, M5G 1X8, Canada.
- Neuroscience and Mental Health Research Program, The Hospital for Sick Children Research Institute, Toronto, ON, Canada.
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada.
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada.
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Yasuda K, Noma H, Mimura T, Nonaka R, Sasaki S, Ofusa A, Shimura M. Role of Novel Inflammatory Factors in Central Retinal Vein Occlusion with Macular Edema. MEDICINA (KAUNAS, LITHUANIA) 2023; 60:4. [PMID: 38276038 PMCID: PMC10817650 DOI: 10.3390/medicina60010004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 12/13/2023] [Accepted: 12/18/2023] [Indexed: 01/27/2024]
Abstract
Background and Objectives: To investigate associations among the aqueous humor levels of novel inflammatory factors, including FMS-related tyrosine kinase 3 ligand (Flt-3L), fractalkine, CXC chemokine ligand 16 (CXCL-16), and endocan-1; the severity of macular edema in central retinal vein occlusion (CRVO); and the prognosis of CRVO with macular edema after antivascular endothelial growth factor (VEGF) therapy. Materials and Methods: Aqueous humor was obtained during anti-VEGF treatment with intravitreal ranibizumab injection (IRI) in patients with CRVO and macular edema (n = 19) and during cataract surgery in patients with cataracts (controls, n = 20), and the levels of VEGF and novel inflammatory factors were measured. Macular edema was evaluated by central macular thickness (CMT) and neurosensory retinal thickness (TNeuro), and improvement was evaluated by calculating the percentage change in CMT and TNeuro from before to 1 month after IRI. Results: The levels of VEGF and the novel inflammatory factors were significantly higher in the CRVO group, and the levels of Flt-3L, CXCL-16, and endocan-1 were significantly correlated with each other and with the aqueous flare value. Baseline levels of Flt-3L, CXCL-16, and endocan-1 had a significantly negative correlation with the change in CMT, and the baseline level of CXCL-16 was significantly negatively correlated with the change in TNeuro. Conclusions: Relations among novel inflammatory factors should be further investigated. These findings may help improve understanding of macular edema in CRVO patients and aid the development of new treatments targeting novel inflammatory factors.
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Affiliation(s)
- Kanako Yasuda
- Department of Ophthalmology, Hachioji Medical Center, Tokyo Medical University, 1163, Tatemachi, Hachioji 193-0998, Japan; (K.Y.); (R.N.); (S.S.); (A.O.); (M.S.)
| | - Hidetaka Noma
- Department of Ophthalmology, Hachioji Medical Center, Tokyo Medical University, 1163, Tatemachi, Hachioji 193-0998, Japan; (K.Y.); (R.N.); (S.S.); (A.O.); (M.S.)
| | - Tatsuya Mimura
- Department of Ophthalmology, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo 173-8606, Japan;
| | - Ryota Nonaka
- Department of Ophthalmology, Hachioji Medical Center, Tokyo Medical University, 1163, Tatemachi, Hachioji 193-0998, Japan; (K.Y.); (R.N.); (S.S.); (A.O.); (M.S.)
| | - Shotaro Sasaki
- Department of Ophthalmology, Hachioji Medical Center, Tokyo Medical University, 1163, Tatemachi, Hachioji 193-0998, Japan; (K.Y.); (R.N.); (S.S.); (A.O.); (M.S.)
| | - Akemi Ofusa
- Department of Ophthalmology, Hachioji Medical Center, Tokyo Medical University, 1163, Tatemachi, Hachioji 193-0998, Japan; (K.Y.); (R.N.); (S.S.); (A.O.); (M.S.)
| | - Masahiko Shimura
- Department of Ophthalmology, Hachioji Medical Center, Tokyo Medical University, 1163, Tatemachi, Hachioji 193-0998, Japan; (K.Y.); (R.N.); (S.S.); (A.O.); (M.S.)
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Negrin LL, Hajdu S. Serum Angiopoietin-2 level increase differs between polytraumatized patients with and without central nervous system injuries. Sci Rep 2023; 13:19338. [PMID: 37935720 PMCID: PMC10630405 DOI: 10.1038/s41598-023-45688-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 10/23/2023] [Indexed: 11/09/2023] Open
Abstract
Since endothelial cells rapidly release Angiopoietin-2 (Ang-2) in response to vascular injury and inflammatory stimuli, we aimed to investigate if its serum levels increase in polytraumatized patients. Our cohort study evaluated 28 blunt polytrauma survivors (mean age, 38.4 years; median ISS, 34) who were directly admitted to our level I trauma center in 2018. We assessed the serum Ang-2 level at admission and on days 1, 3, 5, 7, and 10 during hospitalization. Ang-2 was released into the circulation immediately after polytrauma. At admission (day 0), it amounted to 8286 ± 5068 pg/mL, three-and-a-half times the reference value of 2337 ± 650 pg/mL assessed in a healthy control group. Subgroup analysis provided a higher mean Ang-2 level in the CNSI group combining all patients suffering a brain or spinal cord injury compared to the non-CNSI group solely on day 0 [11083 ± 5408 pg/mL versus 3963 ± 2062 pg/mL; p < 0.001]. Whereas the mean Ang-2 level increased only in the non-CNSI group from day 0 to day 3 (p = 0.009), the respective curves showed similar continuous decreases starting with day 3. Multivariate logistic regression analysis revealed an association between the Ang-2 day 0 level and the presence of a CNSI (OR = 1.885; p = 0.048). ROC analysis provided a cutoff level of 5352 pg/mL. In our study group, serum Ang-2 levels assessed at admission differed between polytraumatized patients with and without brain or spinal cord injuries. Based on our findings, we consider serum Ang-2 levels an effective biomarker candidate for indicating CNSI in these patients at admission, worthy of further evaluation in large multicenter studies.
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Affiliation(s)
- Lukas L Negrin
- University Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria.
| | - Stefan Hajdu
- University Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
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Thamjamrassri T, Watanitanon A, Moore A, Chesnut RM, Vavilala MS, Lele AV. A Pilot Prospective Observational Study of Cerebral Autoregulation and 12-Month Outcomes in Children With Complex Mild Traumatic Brain Injury: The Argument for Sufficiency Conditions Affecting TBI Outcomes. J Neurosurg Anesthesiol 2022; 34:384-391. [PMID: 34009858 PMCID: PMC8563492 DOI: 10.1097/ana.0000000000000775] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 03/25/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND The relationship between cerebral autoregulation and outcomes in pediatric complex mild traumatic brain injury (TBI) is unknown, and explored in this study. METHODS We conducted a prospective observational study of patients aged 0 to 18 years hospitalized with complex mild TBI (admission Glasgow Coma Scale score 13 to 15 with either abnormal computerized tomogram of the head or history of loss of consciousness). Cerebral autoregulation was tested using transcranial Doppler ultrasonography, and impaired autoregulation defined as autoregulation index<0.4. We collected Glasgow Outcome Scale Extended-Pediatrics score and health-related quality of life data at 3, 6, and 12 months after discharge. RESULTS Twenty-four patients aged 1.8 to 16.6 years (58.3% male) with complete 12-month outcome data were included in the analysis. Median admission Glasgow Coma Scale score was 15 (range: 13 to 15), median injury severity score was 12 (range: 4 to 29) and 23 patients (96%) had isolated TBI. Overall, 10 (41.7%) patients had impaired cerebral autoregulation. Complete recovery was observed in 6 of 21 (28.6%) children at 3 months, in 4 of 16 (25%) children at 6 months, and in 8 of 24 (33.3%) children at 12 months. There was no difference in median (interquartile range) Glasgow Outcome Scale Extended-Pediatrics score (2 [2.3] vs. 2 [interquartile range 1.3]) or health-related quality of life scores (91.5 [21.1] vs. 90.8 [21.6]) at 12 months between those with intact and impaired autoregulation, respectively. Age-adjusted hypotension occurred in 2/24 (8.3%) patients. CONCLUSION Two-thirds of children with complex mild TBI experienced incomplete functional recovery at 1 year. The co-occurrence of hypotension and cerebral autoregulation may be a sufficiency condition needed to affect TBI outcomes.
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Affiliation(s)
| | | | - Anne Moore
- Department of Neurological Surgery, University of Washington, Harborview Medical Center
| | - Randall M. Chesnut
- Department of Neurological Surgery, University of Washington, Harborview Medical Center
- Orthopedics and Sport Medicine, Seattle, WA
| | - Monica S. Vavilala
- Harborview Injury Prevention and Research Center
- Department of Anesthesiology and Pain Medicine, University of Washington, Seattle
| | - Abhijit V. Lele
- Harborview Injury Prevention and Research Center
- Department of Anesthesiology and Pain Medicine, University of Washington, Seattle
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Nwafor DC, Brichacek AL, Foster CH, Lucke-Wold BP, Ali A, Colantonio MA, Brown CM, Qaiser R. Pediatric Traumatic Brain Injury: An Update on Preclinical Models, Clinical Biomarkers, and the Implications of Cerebrovascular Dysfunction. J Cent Nerv Syst Dis 2022; 14:11795735221098125. [PMID: 35620529 PMCID: PMC9127876 DOI: 10.1177/11795735221098125] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 04/14/2022] [Indexed: 11/15/2022] Open
Abstract
Traumatic brain injury (TBI) is a leading cause of pediatric morbidity and mortality. Recent studies suggest that children and adolescents have worse post-TBI outcomes and take longer to recover than adults. However, the pathophysiology and progression of TBI in the pediatric population are studied to a far lesser extent compared to the adult population. Common causes of TBI in children are falls, sports/recreation-related injuries, non-accidental trauma, and motor vehicle-related injuries. A fundamental understanding of TBI pathophysiology is crucial in preventing long-term brain injury sequelae. Animal models of TBI have played an essential role in addressing the knowledge gaps relating to pTBI pathophysiology. Moreover, a better understanding of clinical biomarkers is crucial to diagnose pTBI and accurately predict long-term outcomes. This review examines the current preclinical models of pTBI, the implications of pTBI on the brain’s vasculature, and clinical pTBI biomarkers. Finally, we conclude the review by speculating on the emerging role of the gut-brain axis in pTBI pathophysiology.
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Affiliation(s)
- Divine C. Nwafor
- Department of Neuroscience, West Virginia University School of Medicine, Morgantown, WV, USA
- West Virginia University School of Medicine, Morgantown, WV, USA
- Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, USA
| | - Allison L. Brichacek
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University School of Medicine, Morgantown, WV, USA
| | - Chase H. Foster
- Department of Neurosurgery, George Washington University Hospital, Washington D.C., USA
| | | | - Ahsan Ali
- Department of Neuroscience, West Virginia University School of Medicine, Morgantown, WV, USA
| | | | - Candice M. Brown
- Department of Neuroscience, West Virginia University School of Medicine, Morgantown, WV, USA
- Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, USA
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University School of Medicine, Morgantown, WV, USA
| | - Rabia Qaiser
- Department of Neurosurgery, Baylor Scott and White, Temple, TX, USA
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Alterations in serum IL-6 levels in traumatized pediatric patients: A preliminary study for second hit concept. J Orthop Sci 2022; 27:440-447. [PMID: 33549402 DOI: 10.1016/j.jos.2020.12.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 12/04/2020] [Accepted: 12/23/2020] [Indexed: 11/24/2022]
Abstract
BACKGROUND The inflammatory response of pediatric patients to multiple injuries can be monitored by serum interleukin-6 levels. The aim of this study was to investigate the severity of the inflammatory response accordingly interleukin-6 (IL-6) which have not been evaluated before. METHODS There were 30 patients with an isolated long-bone fracture in group 1 and 49 patients with multi-system injury with at least a fracture in group-2. In group-2 were divided into two subgroups according to MISS (cut-off value = 17). Group-3 was composed of 100 healthy children as the control group to determine the normal range of serum IL-6 levels. In group-2, blood samples were taken on the 3rd, 5th, and 10th days, and if the patient was operated, additional samples were taken before the surgery and on the postoperative 1st, 5th, and 10th days. The relationship between trauma severity and serum IL-6 levels was analyzed statistically. RESULTS Mean serum IL-6 levels were 16.1, 46.4, 74.2 and 8.6 pg/mL respectively (group-1, -2A, -2B, and -3). There was a moderate correlation between MISS and IL-6 (p < 0.001). In group-2A, mean serum IL-6 levels were 13.9 pg/mL on the 3rd day and 9.1 on the 10th day. In group-2B they were 15.4 and 4.7 pg/mL, respectively. Also, for the patients undergoing surgically in group-2A, they were 36.0 pg/mL before the surgery, 33.2 on the 1st day, and 6.0 on the 10th day. For group-2B, they were 39.3, 37.4, and 7.9 pg/mL, respectively. CONCLUSION It was determined that serum IL-6 levels were significantly increased with increasing trauma severity. Systemic inflammation specified by IL-6 could decrease to almost normal on the 3rd day, and regress to normal on the following days. The concept of "second hit impact following surgical procedure" may also be kept in mind in children as in adults considering these alterations.
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Hayes AJ, Melrose J. Neural Tissue Homeostasis and Repair Is Regulated via CS and DS Proteoglycan Motifs. Front Cell Dev Biol 2021; 9:696640. [PMID: 34409033 PMCID: PMC8365427 DOI: 10.3389/fcell.2021.696640] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 07/13/2021] [Indexed: 01/04/2023] Open
Abstract
Chondroitin sulfate (CS) is the most abundant and widely distributed glycosaminoglycan (GAG) in the human body. As a component of proteoglycans (PGs) it has numerous roles in matrix stabilization and cellular regulation. This chapter highlights the roles of CS and CS-PGs in the central and peripheral nervous systems (CNS/PNS). CS has specific cell regulatory roles that control tissue function and homeostasis. The CNS/PNS contains a diverse range of CS-PGs which direct the development of embryonic neural axonal networks, and the responses of neural cell populations in mature tissues to traumatic injury. Following brain trauma and spinal cord injury, a stabilizing CS-PG-rich scar tissue is laid down at the defect site to protect neural tissues, which are amongst the softest tissues of the human body. Unfortunately, the CS concentrated in gliotic scars also inhibits neural outgrowth and functional recovery. CS has well known inhibitory properties over neural behavior, and animal models of CNS/PNS injury have demonstrated that selective degradation of CS using chondroitinase improves neuronal functional recovery. CS-PGs are present diffusely in the CNS but also form denser regions of extracellular matrix termed perineuronal nets which surround neurons. Hyaluronan is immobilized in hyalectan CS-PG aggregates in these perineural structures, which provide neural protection, synapse, and neural plasticity, and have roles in memory and cognitive learning. Despite the generally inhibitory cues delivered by CS-A and CS-C, some CS-PGs containing highly charged CS disaccharides (CS-D, CS-E) or dermatan sulfate (DS) disaccharides that promote neural outgrowth and functional recovery. CS/DS thus has varied cell regulatory properties and structural ECM supportive roles in the CNS/PNS depending on the glycoform present and its location in tissue niches and specific cellular contexts. Studies on the fruit fly, Drosophila melanogaster and the nematode Caenorhabditis elegans have provided insightful information on neural interconnectivity and the role of the ECM and its PGs in neural development and in tissue morphogenesis in a whole organism environment.
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Affiliation(s)
- Anthony J. Hayes
- Bioimaging Research Hub, Cardiff School of Biosciences, Cardiff University, Wales, United Kingdom
| | - James Melrose
- Graduate School of Biomedical Engineering, University of New South Wales, Sydney, NSW, Australia
- Raymond Purves Bone and Joint Research Laboratories, Kolling Institute of Medical Research, Royal North Shore Hospital and The Faculty of Medicine and Health, The University of Sydney, St. Leonard’s, NSW, Australia
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Abstract
Clasmatodendrosis derives from the Greek for fragment (klasma), tree (dendron), and condition (- osis). Cajal first used the term in 1913: he observed disintegration of the distal cell processes of astrocytes, along with a fragmentation or beading of proximal processes closer to the astrocyte cell body. In contemporary clinical and experimental reports, clasmatodendrosis has been observed in models of cerebral ischemia and seizures (including status epilepticus), in elderly brains, in white matter disease, in hippocampal models and cell cultures associated with amyloid plaques, in head trauma, toxic exposures, demyelinating diseases, encephalitides and infection-associated encephalopathies, and in the treatment of cancer using immune effector cells. We examine evidence to support a claim that clasmatodendrotic astrocyte cell processes overtly bead (truncate) as a morphological sign of ongoing damage premortem. In grey and white matter and often in relationship to vascular lumina, beading becomes apparent with immunohistochemical staining of glial fibrillary acidic protein when specimens are examined at reasonably high magnification, but demonstration of distal astrocytic loss of processes may require additional marker study and imaging. Proposed mechanisms for clasmatodendrotic change have examined hypoxic-ischemic, osmotic-demyelinating, and autophagic models. In these models as well as in neuropathological reports, parenchymal swelling, vessel-wall leakage, or disturbed clearance of toxins can occur in association with clasmatodendrosis. Clasmatodendrotic features may serve as a marker for gliovascular dysregulation either acutely or chronically. We review correlative evidence for blood-brain barrier (BBB) dysfunction associated with astrocytic structural change, with attention to interactions between endothelial cells, pericytes, and astrocytic endfeet.
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Weber B, Lackner I, Braun CK, Kalbitz M, Huber-Lang M, Pressmar J. Laboratory Markers in the Management of Pediatric Polytrauma: Current Role and Areas of Future Research. Front Pediatr 2021; 9:622753. [PMID: 33816396 PMCID: PMC8010656 DOI: 10.3389/fped.2021.622753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 02/19/2021] [Indexed: 11/13/2022] Open
Abstract
Severe trauma is the most common cause of mortality in children and is associated with a high socioeconomic burden. The most frequently injured organs in children are the head and thorax, followed by the extremities and by abdominal injuries. The efficient and early assessment and management of these injuries is essential to improve patients' outcome. Physical examination as well as imaging techniques like ultrasound, X-ray and computer tomography are crucial for a valid early diagnosis. Furthermore, laboratory analyses constitute additional helpful tools for the detection and monitoring of pediatric injuries. Specific inflammatory markers correlate with post-traumatic complications, including the development of multiple organ failure. Other laboratory parameters, including lactate concentration, coagulation parameters and markers of organ injury, represent further clinical tools to identify trauma-induced disorders. In this review, we outline and evaluate specific biomarkers for inflammation, acid-base balance, blood coagulation and organ damage following pediatric polytrauma. The early use of relevant laboratory markers may assist decision making on imaging tools, thus contributing to minimize radiation-induced long-term consequences, while improving the outcome of children with multiple trauma.
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Affiliation(s)
- Birte Weber
- Department of Traumatology, Hand-, Plastic- and Reconstructive Surgery, Center of Surgery, University of Ulm, Ulm, Germany
| | - Ina Lackner
- Department of Traumatology, Hand-, Plastic- and Reconstructive Surgery, Center of Surgery, University of Ulm, Ulm, Germany
| | - Christian Karl Braun
- Institute of Clinical and Experimental Trauma-Immunology, University Hospital of Ulm, Ulm, Germany.,Department of Pediatrics, University Medical Center Ulm, Ulm, Germany
| | - Miriam Kalbitz
- Department of Traumatology, Hand-, Plastic- and Reconstructive Surgery, Center of Surgery, University of Ulm, Ulm, Germany
| | - Markus Huber-Lang
- Institute of Clinical and Experimental Trauma-Immunology, University Hospital of Ulm, Ulm, Germany
| | - Jochen Pressmar
- Department of Traumatology, Hand-, Plastic- and Reconstructive Surgery, Center of Surgery, University of Ulm, Ulm, Germany
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