Cervical spine injuries in children: a review of 103 patients treated consecutively at a level 1 pediatric trauma center

Combined high cervical spine and brain stem injuries: a complex and devastating injury in children

BACKGROUND

In young children, high cervical spine injuries (HCSI) can result in inaugural reversible, cardiac arrest or apnea. We noted in children sustaining such injuries an unusual incidence of associated brain stem injuries and defined a special pattern of combined lesions.

METHODS

Children with HSCI surviving inaugural cardiac arrest/apnea were selected for a retrospective analysis of a trauma data bank. Epidemiologic, clinical, and radiological characteristics, and outcome were reviewed and compared with those of the rest of the trauma population with severe neurologic injuries (defined by a Glasgow Coma Scale < 8).

RESULTS

Thirteen children with HCSI above the C3 spinal level and inaugural cardiac arrest/apnea were identified and compared with 819 severely head injured children without HSCI. Mean age was 4.7 +/- 2.9 years, and median Glasgow Coma Scale was 3 (3-6) after resuscitation. Initial standard x-ray views missed spine injuries in 6 patients. Spiral computed tomographic (CT) scan showed cervical fracture-dislocations associated with diffuse brain lesions and brain stem injury in all patients. Children with combined lesions had more frequent severe facial and skull base fractures compared with the rest of the population. They also were younger and sustained more frequent severe distracting injury to the neck than the rest of the population. Mortality rate (69%) was 2.6-fold higher than that observed in children without HCSI. In survivors, none demonstrated spinal cord injury resulting in persistent peripheral neurologic deficits, but only one achieved a good recovery.

CONCLUSIONS

Combined HCSI and brain stem injuries must be suspected in young children sustaining a severe distracting injury to the craniocervical junction. Early recognition of these catastrophic injuries by systematic spiral cervical spine and brain stem computed tomographic scan evaluation is mandatory.

Improvement in initial survival of spinal injuries: a 10-year audit

A 10-year retrospective study of all spinal injuries presenting to the Leeds Teaching Hospitals between 1991 and 2001. The hospitals provide secondary care to a population of 750,000 and tertiary care to a population of 2-3 million. In total 1119 spinal injuries were studied. The overall survival rate was 89%. The commonest age group for presentation was 25-29 years with a secondary peak in the seventh decade, a mean overall of 43 years. 66% of injuries occurred in males. The commonest cause was a fall from a height (44%), with road traffic accidents (RTA) causing 43%. Pedestrians were most at risk within the road traffic group, making up 63% of cases. Isolated cervical spine injuries made up 37% of all cases. Cervical fractures were most associated with neurological injury (50%). Immediate survival has increased over the decade from 83% in 1991 to 93% in 2001. The probability of survival was significant at P = 0.006 and actual survival at P = 0.012 (Pearson correlation). The causal analysis has not been carried out but it is thought likely that improved quality of care is responsible.

A child who recovered completely after spinal cord injury complicated by C2-3 fracture dislocation: case report

STUDY DESIGN

This was a case of a child who recovered completely after spinal cord surgery complicated by C2-C3 fracture dislocation.

OBJECTIVES

To clarify the important issue with regard to the diagnosis and treatment of possible spinal cord injury complicated by C2-C3 fracture dislocation in children.

SUMMARY OF BACKGROUND DATA

Reports on spinal cord injury complicated by C2-C3 fracture dislocation in children who recovered completely after surgery are very rare. Moreover, there are no reports of cases in which described MRI and magnetic resonance angiography obtained 5 years after surgery.

METHODS

A 4-year-old girl with complete fracture dislocation of C2-C3 and spinal cord injury of Frankel B because of a traffic injury. A middle incision was made in a prone position under general anesthesia, and C2-C3 was fixed with interlaminal wiring according to the McGraw modified method.

RESULTS

The postoperative course was excellent, and the patient recovered completely. An MRI performed 5 years after surgery revealed no definitive abnormality in spinal cord and patency of vertebral arteries.

CONCLUSION

This was a very rare case of spinal cord injury complicated C2-C3 fracture dislocation in children. The present case is of interest in that it demonstrated the possibility of recovery in a child from spinal cord injuries of Frankel B immediately after injury, if complex injuries in multiple organs are controlled by systemic management.

Pediatric trauma susceptibility to sepsis

OBJECTIVE

The purpose of this review is to review how pediatric trauma may predispose children to sepsis.

DESIGN

The information discussed in this report is derived from a recent literature review of pediatric trauma and related topics and discussion at an international consensus conference on pediatric sepsis.

MEASUREMENTS AND MAIN RESULTS

There is a paucity of evidence on sepsis-related complications in pediatric trauma patients. Severe traumatic brain injury is a leading predisposing factor for sepsis complications. Excluding burn trauma, traumatically injured children without severe head injury rarely succumb to overwhelming sepsis.

CONCLUSIONS

Patients with multiple traumatic injuries are frequently admitted to the intensive care unit, and because head injury is the most common ailment, unconscious patients with a combination of injuries that include head injury will regularly require mechanical ventilation and central venous access and are at risk for life-threatening nosocomial infections. Outside of pulmonary contusions, organ-specific causes of infection are infrequent.

Pediatric spinal cord injury without radiographic abnormality: a meta-analysis

Using a meta-analysis, we identified 392 published cases of patients recently diagnosed with spinal cord injuries without radiographic abnormalities (SCIWORA) and studied the epidemiologic, pathophysiologic, clinical, and radiologic data. To describe those at risk for this uncommon syndrome, mainly pediatric patients (90% of the cases) who sustain serious trauma in car accidents, serious falls, sports injuries, or child abuse, we analyzed the reported information in the literature. Magnetic resonance imaging scans may indicate neural (hemorrhages, edema, or both) or extraneural (disc protrusions, extradural hematomas) injuries, and the location and type of the injury. Every patient having magnetic resonance imaging scans had either intraneural or extraneural injury. However, followup magnetic resonance imaging scans are necessary because evidence of the injury might not appear immediately. Late and recurrent spinal cord injuries without radiographic abnormalities are reported. External immobilization for 12 weeks helps patients who are moderately injured and helps prevent recurrence of these types of injuries. Approximately 44% of the patients in our study did not recover whereas complete recovery occurred in 39% of the population. The prognosis can be improved if the syndrome is diagnosed early, so we recommend considering spinal cord injuries without radiographic abnormalities as a possible diagnosis for any child who has a mechanism of injury that suggests trauma to the spine.

LEVEL OF EVIDENCE

Therapeutic study, Level III-3 (case-control study). See the Guidelines for Authors for a complete description of levels of evidence.

Neuromuscular rehabilitation and electrodiagnosis. 4. Pediatric issues

This self-directed learning module highlights the physician's role in the diagnosis and treatment of neuromuscular disorders in pediatric populations. It is part of the chapter on neuromuscular rehabilitation and electrodiagnosis in the Self-Directed Physiatric Education Program for practitioners and trainees in physical medicine and rehabilitation. This article discusses both clinical and electrodiagnostic features of common neuromuscular disorders in pediatric populations. The diagnostic value of somatosensory evoked potential is reviewed in a case of traumatic spinal cord injury without radiographic abnormality. Therapeutic interventions of progressive muscular dystrophy are discussed, as well as the differential diagnosis of floppy infant syndrome, the most common pediatric electrodiagnostic referral.

OVERALL ARTICLE OBJECTIVES

(a) To become familiar with electrodiagnosis and rehabilitation for common neuromuscular disorders in the pediatric population, (b) to undrstand electrodiagnostic findings of Guillain-Barre syndrome corresponding to pathophysiology, (c) to become familiar with somatosensory evoked potentials, and (d) to be able to make differential diagnosis of floppy infant syndrome based on clinical findings as well as electrodiagnosis.

The misdiagnosis of acute cervical spine injuries and fractures in infants and children: the 12-year experience of a level I pediatric and adult trauma center

OBJECTIVE

The objective was to determine the frequency of acute cervical spine injuries and fractures that were misdiagnosed in infants and children (< or =14 years) initially evaluated at a pediatric and adult urban level I trauma center.

METHODS AND RESULTS

This was a retrospective, single-institution, case series of pediatric cervical spine injuries and fractures that were misdiagnosed during initial emergency room imaging evaluation. "Misdiagnosed" cases were those cases whose imaging studies initially obtained in the emergency room were misinterpreted based on reevaluation by a senior trauma radiologist blinded to the initial results. Nineteen percent (7 out of 37) were misdiagnosed on initial emergency room imaging evaluation. Five percent were true "missed" fractures, and 14% were "normal and/or developmental variants" read as fractures or dislocation.

CONCLUSIONS

The error rate for infants and children < or =8 years was 24%, and for children > or =9 years was 15%. The occiput to C2 region was the most common site of diagnostic error. The most common factors predisposing to misdiagnosis were unfamiliarity with pediatric cervical spine anatomy, failure to recognize normal variants seen during growth and development, and suboptimal conventional film techniques.

Patterns and risks in spinal trauma

BACKGROUND

Spinal injury in children is rare, and poses many difficulties in management.

AIMS

To ascertain the prevalence of spinal injury within the paediatric trauma population, and to assess relative risks of spinal injury according to age, conscious level, injury severity score (ISS), and associated injuries.

METHODS

Spine injured children were identified from the UK Trauma Audit & Research Network Database from 1989 to 2000. Relative risks of injury were calculated against the denominator paediatric trauma population.

RESULTS

Of 19 538 on the database, 527 (2.7%) suffered spinal column fracture/dislocation without cord injury and 109 had cord injury (0.56% of all children; 16.5% of spine injured children). Thirty children (0.15% of all children; 4.5% of spine injured children) sustained spinal cord injury without radiological abnormality (SCIWORA). Cord injury and SCIWORA occurred more commonly in children aged < or =8. The risk of spine fracture/dislocation without cord injury was increased with an ISS >25 and with chest injuries. The risk of cord injury was increased with reduced GCS, head injury, and chest injury.

CONCLUSIONS

Spinal cord injury and SCIWORA occur more frequently in young children. Multiple injuries and chest injuries increase the risk of fracture/dislocation and of cord injury. Reduced GCS and head injuries increase the risk of cord injury.

Acute healthcare utilization by children after motor vehicle crashes

This study, describing the overall patterns of acute healthcare resource utilization by child crash victims (age 15 years and younger), was conducted between 28 July 1999 and 30 November 2000 as part of an on-going large-scale, child-specific crash surveillance system, Partners for Child Passenger Safety: insurance claims from 15 states and the District of Columbia function as the source of subjects, with telephone survey and on-site crash investigations serving as the primary sources of data. A probability sample of 4862 eligible crashes with 7368 child occupants formed the study sample. Our results suggest that for every 1000 children involved in crashes, 3 are hospitalized; 108 are treated and released from an emergency department (ED); 48 are evaluated in a physician's office, urgent care center, or other facility; and 841 receive no care at all. Comprehensive surveillance systems for motor vehicle crashes must capture children treated in physicians' offices, emergency departments, and other healthcare facilities in order to provide accurate estimates of the impact on the health care system related to motor vehicle trauma.

Spinal injuries in children

BACKGROUND/PURPOSE

Traumatic spinal injury (TSI) is an uncommon source of morbidity and mortality in children. The aim of this study was to describe childhood TSI in a single level 1 urban pediatric trauma center.

METHODS

The authors retrospectively analyzed all children younger than 14 years with TSI, treated at a level I pediatric trauma center between 1991 and 2002 (n = 406, 4% total registry). All children were stratified according to demographics, mechanisms, type and level of injury, radiologic evaluations, associated injuries, and mortality.

RESULTS

The mean age was 9.48 +/- 3.81 years. The most common overall mechanism of injury was motor vehicle crash (MVC; 29%) and ranked highest for infants. Falls ranked highest for ages 2 to 9 years. Sports ranked highest in the 10 to 14 year age group. Paravertebral soft tissue injuries were 68%. The most common injury level was the high cervical spine (O-C4). The incidence of spinal cord injury without radiologic abnormality (SCIWORA) was 6%. Traumatic brain injury (37%) was the most common associated injury. Overall mortality rate was 4% in this urban catchment.

CONCLUSIONS

TSI in children requires a different preventive and therapeutic logarithm compared with that of adults. The potential devastating nature of TSI warrants that the health care team always maintains a high index of suspicion for injury. Future prospective studies are needed to further elucidate injury patterns.

Effect of age on cervical spine injuries in children after motor vehicle collisions: effectiveness of restraint devices

PURPOSE

Despite the devastating consequences of cervical spine (C-spine) injury in children after motor vehicle collisions (MVC), the factors leading to the injury and the appropriateness of protective restraints remain undefined. The authors hypothesized that age-related anatomic factors contribute to inadequate restraints and therefore increase injury severity after MVC.

METHODS

Data on children (<18 years, 1997 to 2002) admitted to a level 1 pediatric trauma center were prospectively collected and retrospectively reviewed. Those with C-spine injuries caused by MVC were extracted and divided into 2 groups: young (0 to 8 years) and old (9 to 18 years). Statistical comparison was by Student's t test or Z-test, with P less than.05 accepted as significant.

RESULTS

Of 5,117 trauma admissions, 94 had C-spine injuries with a mean age of 11 +/- 5 years, 66% of which were boys. Among 1,124 patients who had sustained MVC there were 27 C-spine injuries (2.4% incidence), of which, 12 were less than 8 and 15 were older than 8 years. Restraint devices were utilized at least as frequently in younger children (young, 58% v. old, 43%; not significant). However, younger children had an increased incidence of permanent cord deficit (young, 57% v. old, 13%; P <.05) and closed head injury (young, 50% v. old, 7%; P <.05) even while wearing restraint devices, suggesting that restraint devices are inadequate or improperly used in younger patients. This is supported by the increased injury severity scores of the younger group (young, 37.7 +/- 8.5 v. old, 16.5 +/- 4.6; P <.05).

CONCLUSIONS

Younger children suffer more sever cervical spine injuries after motor vehicle collisions than their older counterparts, in part because of the inadequacy of currently existing restraint devices. Design modifications to current restraints, including the use of head straps, might improve outcome after MVC in younger patients.

Pediatric cervical spine: normal anatomy, variants, and trauma

Emergency radiologic evaluation of the pediatric cervical spine can be challenging because of the confusing appearance of synchondroses, normal anatomic variants, and injuries that are unique to children. Cervical spine injuries in children are usually seen in the upper cervical region owing to the unique biomechanics and anatomy of the pediatric cervical spine. Knowledge of the normal embryologic development and anatomy of the cervical spine is important to avoid mistaking synchondroses for fractures in the setting of trauma. Familiarity with anatomic variants is also important for correct image interpretation. These variants include pseudosubluxation, absence of cervical lordosis, wedging of the C3 vertebra, widening of the predental space, prevertebral soft-tissue widening, intervertebral widening, and "pseudo-Jefferson fracture." In addition, familiarity with mechanisms of injury and appropriate imaging modalities will aid in the correct interpretation of radiologic images of the pediatric cervical spine.

A multidisciplinary approach to the development of a cervical spine clearance protocol: process, rationale, and initial results

BACKGROUND/PURPOSE

Assessment of potential spine injuries is inconsistent and controversial. Subsequent morbidity includes prolonged immobilization and missed injuries. To address these issues, a multidisciplinary team was organized to design a cervical spine management/clearance pathway. The process, algorithm, and initial results are described.

METHODS

Team members consisted of pediatric surgeons, orthopedic surgeons, neurosurgeons, emergency room physicians, and trauma nurse practitioners. Nationwide standards, guidelines, and experiences across disciplines were reviewed, and a consensus pathway evolved for cervical spine clearance in children 8 years and younger. A short-term retrospective review (5 months) was performed to assess initial performance. Time required for clearance, number and type of imaging studies, and number of missed injuries were compared between a group of patients before (n = 71) and after (n = 56) the implementation of the pathway.

RESULTS

Strict guidelines for cervical spine immobilization and clearance criteria were defined. After implementation of this pathway, time required for cervical clearance in nonintubated children decreased (before, 12.3 +/- 1.5 v after, 7.5 +/- 0.9 hours; P =.014). A clear trend toward earlier clearance in intubated patients existed (before [n = 6], 40.0 +/- 16.8 v after [n = 6], 19.4 +/- 8.1 hours; P =.10); there need to be larger numbers to determine statistical significance. The 2 study groups were similar in age; mechanism of injury; Glasgow coma scale score; and number of plain x-rays, computed tomography scans, and magnetic resonance imaging studies obtained. Neither group had missed injuries.

CONCLUSIONS

standards for cervical spine immobilization, assessment, and clearance. Implementation of such guidelines decreased time for cervical spine clearance, and ongoing analysis of sensitivity is encouraging.

Multiple trauma in children: critical care overview

Multiple trauma is more than the sum of the injuries. Management not only of the physiologic injury but also of the pathophysiologic responses, along with integration of the child's emotional and developmental needs and the child's family, forms the basis of trauma care. Multiple trauma in children also elicits profound psychological responses from the healthcare providers involved with these children. This overview will address the pathophysiology of multiple trauma in children and the general principles of trauma management by an integrated trauma team. Trauma is a systemic disease. Multiple trauma stimulates the release of multiple inflammatory mediators. A lethal triad of hypothermia, acidosis, and coagulopathy is the direct result of trauma and secondary injury from the systemic response to trauma. Controlling and responding to the secondary pathophysiologic sequelae of trauma is the cornerstone of trauma management in the multiply injured, critically ill child. Damage control surgery is a new, rational approach to the child with multiple trauma. The selection of children for damage control surgery depends on the severity of injury. Major abdominal vascular injuries and multiple visceral injuries are best considered for this approach. The effective management of childhood multiple trauma requires a combined team approach, consideration of the child and family, an organized trauma system, and an effective quality assurance and improvement mechanism.

Pediatric spine and spinal cord injury after inflicted trauma

Pediatric spine and spinal cord injury are rare sequelae of intentional trauma. They may easily be overlooked, however, and probably represent an underreported phenomenon. Recent autopsy data analyzed in conjunction with prior case series indicate that injury to the upper cervical spine and brainstem may significantly contribute to the major morbidity, mortality, and neuropathology in shaken infants. The findings in the previous case report illustrate several important points regarding spine and spinal cord injury after intentional trauma. First, the very young are susceptible to severe, higher cervical injury of both spine and spinal cord. Second, spine and spinal cord injury were initially overlooked because of masked neurologic findings with the concomitant head injury and multiple other systemic injuries. Finally, the child's outcome with significant cognitive delay because of global brain injury in conjunction with the focal high cervical cord injury may support the hypothesis that hypoxic damage could have occurred secondary to brainstem and high cervical cord injury. At the authors' institution, a detailed history and vigilant physical examination are stressed. When the mechanism of injury reported in the history is incongruous with the physical or initial radiographic findings and intentional trauma is suspected, a full skeletal survey, ophthalmologic evaluation, and social evaluation is undertaken. MRI and CT scanning are individualized according to the clinical assessment.

Growth reference charts for use in the United Kingdom

Since the introduction of new growth charts in the mid 1990s, there has been confusion about which charts should be used, with many districts using more than one version. Because of this uncertainty, an expert working party, the Growth Reference Review Group, was convened by the Royal College of Paediatrics and Child Health to provide guidance on the validity and comparability of the different charts currently in use. This paper describes the technical background to the construction and evaluation of growth charts and outlines the group's findings on the validity of each growth reference in relation to contemporary British children. The group concluded that for most clinical purposes the UK90 reference is superior and for many measures is the only usable reference that can be recommended, while the original Tanner-Whitehouse and the Gairdner-Pearson charts are no longer reliable for use at any age. After the age of 2 the revised Buckler-Tanner references are still suitable for assessing height. There are presently no reliable head circumference reference charts for use beyond infancy. The group propose that apart from refinements of chart design and layout, the new UK90 reference should now be "frozen", with any future revisions only undertaken after careful planning and widespread consultation.