Neurological findings in pediatric penetrating head injury at a university teaching hospital in Durban, South Africa: a 23-year retrospective study

Transmastoid pediatric penetrating brain injury, interdisciplinary, and tailored patient's treatment

Background

Pediatric penetrating brain injuries (PBIs) are rare but critical traumatic events, often involving foreign objects. This report will emphasize the clinical presentation, diagnosis, and treatment strategies for pediatric PBI cases.

Case Description

This report presents a case of a 7-year-old male patient with a PBI resulting from a nail that penetrated the left mastoid region following a fall from a tree. On admission, the patient maintained consciousness, displayed stable vital signs, and showed no neurological deficits. Crucial radiological examinations, including skull X-rays and head computed tomography (CT) scans, revealed a 6.5 mm caliber nail penetrating 5.5 cm into the brain, with intraventricular hemorrhage filling the bilateral posterior horns of the lateral ventricles. In addition, the CT angiography (CTA) of the head provided a visual of the internal carotid arteries and the vertebrobasilar artery system, obscured by metal artifacts but showing no evidence of thrombus, aneurysm, or vascular malformation. The patient underwent an urgent mastoidectomy and retro sigmoid craniotomy to remove a foreign object, involving a multidisciplinary team. Subsequent to the intervention, the patient sustained full consciousness without neurological impairments and received intensive care.

Conclusion

Radiological tools, notably skull X-rays and head CT scans, are pivotal for the precise diagnosis of pediatric PBI. The combined mastoidectomy and retro sigmoid craniotomy approach offers a safe and efficient means of foreign body removal. Tailoring treatments to individual patient needs enhances outcomes.

Penetrating Head Injury by a Hit of Rake in a Child: A Case Report and Literature Review

Background

A penetrating head injury (PHI) refers to a situation where a projectile has breached the cranium but does not exit it. It constitutes about 0.4% of all head injuries. Several nonmissile materials inserting the skull have been reported. But to our knowledge, never before has any case of PHI caused by a hit of rake been reported. We report a first case of PHI caused by a rake in a child; then, we relate our experience with its management and discuss the relevant literature. Cases Description. A 5-year-old boy has been admitted with a rake embedded in his head. That occurred during a violent play with a neighbor. At presentation, the child was alert; there was no neurological deficit. The rake was embedded in the parietal regions on each side of the midline. The head Computed Tomography (CT) scan performed showed a biparietal hyperdensity from either side of the midline with a metal artifact. In the operating room, after a transversal incision joining the 2 tips of the object, we performed successively bone flaps; object extraction; debridement; duraplasty; and closing. The outcome was uneventful.

Conclusion

This is the first case of PHI by a rake. The surgical management constitutes the main challenging point.

Intracranial Pressure and Brain Tissue Oxygen Multimodality Neuromonitoring in Gunshot Wounds to the Head in Children

OBJECTIVE

Gunshot wounds to the head (GSWH) are a cause of severe penetrating traumatic brain injury (TBI). Although multimodal neuromonitoring has been increasingly used in blunt pediatric TBI, its role in the pediatric population with GSWH is not known. We report on 3 patients who received multimodal neuromonitoring as part of clinical management at our institution and review the existing literature on pediatric GSWH.

METHODS

We identified 3 patients ≤18 years of age who were admitted to a quaternary children's hospital from 2005 to 2021 with GSWH and received invasive intracranial pressure (ICP) and Pbto2 (brain tissue oxygenation) monitoring with or without noninvasive near-infrared spectroscopy (NIRS). We analyzed clinical and demographic characteristics, imaging findings, and ICP, Pbto2, cerebral perfusion pressure, and rSo2 (regional cerebral oxygen saturation) NIRS trends.

RESULTS

All patients were male with an average admission Glasgow Coma Scale score of 4. One patient received additional NIRS monitoring. Episodes of intracranial hypertension (ICP ≥20 mm Hg) and brain tissue hypoxia (Pbto2 <15 mm Hg) or hyperemia (Pbto2 >35 mm Hg) frequently occurred independently of each other, requiring unique targeted treatments. rSo2 did not consistently mirror Pbto2. All children survived, with favorable Glasgow Outcome Scale-Extended score at 6 months after injury.

CONCLUSIONS

Use of ICP and Pbto2 multimodality neuromonitoring enabled specific management for intracranial hypertension or brain tissue hypoxia episodes that occurred independently of one another. Multimodality neuromonitoring has not been studied extensively in pediatric GSWH; however, its use may provide a more complete picture of patient injury and prognosis without significant added procedural risk.

Traumatic intracranial aneurysms (TICA) in children: a description of two clinical cases of successful treatment and review of literature

OBJECTIVE

Traumatic intracranial aneurysms (TICA) across all age groups make up less than 1% of all aneurysms. Traumatic aneurysms in children occur from 10 to 39%, and their treatment requires special considerations. Even though readily diagnosed, the management of traumatic intracranial aneurysms in children is still a subject for discussion. Two cases of traumatic aneurysms following penetrating and blunt trauma are presented.

CASE DESCRIPTION

Two cases of traumatic aneurysms are presented. The first patient presented with an aneurysm of the distal M4 segment of the left middle cerebral artery (MCA) 1 week following blunt traumatic brain injury with skull fractures. The aneurysm was excised without complications. The second patient presented with a saccular aneurysm of the A2 segment of the left anterior cerebral artery (ACA) following penetrating traumatic brain injury with a metal rod. The aneurysm was discovered incidentally on computed tomography angiography (CTA) performed to exclude a brain abscess when the patient developed a persistent fever. After numerous unsuccessful attempts at endovascular embolization, microsurgical aneurysm clipping was performed without complications.

CONCLUSION

Traumatic intracerebral aneurysms are relatively more common in childhood. They commonly occur in the first 21 days post-trauma but can also occur in the late period. We, therefore, recommend that CTA or direct cerebral angiography should be performed within the first 3 weeks to exclude TICA and in all patients with sudden deterioration in the early postoperative period. Considering the high mortality rate associated with conservative management, surgical and/or endovascular management should be performed once the diagnosis is made.

Cranial nerve injuries in patients with moderate to severe head trauma - Analysis of 91,196 patients from the TraumaRegister DGU® between 2008 and 2017

OBJECTIVE

Traumatic brain injury (TBI) constitutes a major cause of trauma-related disability and mortality. The epidemiology and implications of associated cranial nerve injuries　(CNI)　in moderate to severe TBI are largely unknown. We aimed to determine the incidence of CNI in a large European cohort of TBI patients as well as clinical differences between TBI cases with and without concomitant CNI (CNI vs. control group) by means of a multinational trauma registry.

METHODS

The TraumaRegister DGU® was evaluated for trauma patients with head injuries ≥ 2 Abbreviated Injury Scale, who had to be treated on intensive care units after emergency admission to European hospitals between 2008 and 2017. CNI and control cases were compared with respect to demographic, clinical, and outcome variables.

RESULTS

1.0% (946 of 91,196) of TBI patients presented with additional CNI. On average, CNI patients were younger than control cases (44.3 ± 20.6 vs. 51.8 ± 23.0 years) but did not differ regarding sex distribution (CNI 69.4% males vs. control 69.1%). Traffic accidents were encountered more frequently in CNI cases (52.3% vs. 46.7%; p < 0.001; chi-squared test) and falls more commonly in the control group (45.2% vs. 37.1%; p < 0.001). CNI patients suffered more frequently from concomitant face injuries (28.2% vs. 17.5%; p < 0.001) and skull base fractures (51.0% vs. 23.5%; p < 0.001). Despite similar mean Injury Severity Score (CNI 21.8 ± 11.3; control 21.1 ± 11.7) and Glasgow Coma Scale score (CNI 10.9 ± 4.2, control 11.1 ± 4.4), there was a considerably higher proportion of anisocoria in CNI patients (20.1% vs. 11.2%; p < 0.001). Following primary treatment, 50.8% of CNI and 35.5% of control cases showed moderate to severe disability (Glasgow Outcome Scale score 3-4; p < 0.001).

CONCLUSION

CNI rarely occur in the context of TBI. When present, they indicate a higher likelihood of functional impairment following primary care and complicating skull base fractures should be suspected.

The Burden of Traumatic Brain Injury in Sub-Saharan Africa: A Scoping Review

BACKGROUND

Despite the growing incidence of traumatic brain injury (TBI) in Sub-Saharan Africa, there is yet to be a study to map the current burden of the disease on the continent. This scoping review aims to outline the literature on TBI.

METHODS

This scoping review was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analysis extension for scoping reviews. A search string was developed to identify studies relating to TBI epidemiology, management, and outcomes. The search was applied to Medline, Embase, and Global Medicus Index.

RESULTS

In total, 107 studies were included in the final analysis. More than one half originated from South Africa. Seventy-five studies were published in 2013 or later. Studies recruited a median of 115 patients: 83.5 male and 31 female. TBI affected all age groups (range = 0-105 years) and sexes but was more common among young males aged 20-40. Road traffic accidents caused TBI in a median of 71 patients. Other major causes included assault (median = 39.5) and falls (median = 12.5). Craniectomies were the most commonly reported surgical treatment (18.7%) followed by burr holes (7.5%). Four studies (3.7%) reported delays in seeking neurotrauma care, with delays in reaching a neurotrauma facility and delays in receiving care being reported in 15 studies (14%) each. Glasgow Outcome Scale score was reported in 28 (26.1%) studies, whereas quality of life measures were reported in 2 (1%). Younger age was associated with favorable outcomes.

CONCLUSIONS

There is an increased need for TBI research, education, and training in Sub-Saharan Africa. This will aid stakeholders in optimizing patient management and outcome.

Pediatric Gunshot Wound to Visual Cortex with Retained Bullet: Case Report and Review of the Literature

INTRODUCTION

Pediatric gunshot wounds (GSWs) to the head are not well studied in the literature, especially in civilians. With a dearth of case-based and clinically relevant information, pediatric neurosurgeons may be challenged when considering the risks and benefits of removing retained bullet fragments in different intracranial locations. We explore the literature and highlight the key factors in the surgical decision-making case of a 16-year-old girl with GSW to the visual cortex.

CASE REPORT

A 16-year-old girl was shot in the head in a parieto-occipital trajectory with the bullet crossing midline, lodging in the occipital lobe into the straight sinus. Her initial Glasgow Coma Scale was 7, and she was urgently stabilized with intracranial pressure monitoring and external ventricular drainage. She underwent craniectomy, debridement, and irrigation and then a reoperation for further debridement and culture 2 weeks later for persistent fevers; cultures remained negative. The retained bullet was not removed. At 18 months post-injury, she had normal speech and motor function, moderate memory dysfunction, and 3-quadrant field loss with retained macular vision.

DISCUSSION/CONCLUSION

Pediatric penetrating GSWs to the head may be challenging to manage since literature is sparse. In this case, the primary focus of management was to maintain normal intracranial pressure, reduce risk of infection, and preserve potentially viable visual cortex. In the civilian context of available antibiotics and serial imaging, it may be possible to manage retained bullets conservatively without delayed complications.

Penetrating head injuries in children presenting to the emergency department in Australia and New Zealand: A PREDICT prospective study

AIM

Penetrating head injuries (pHIs) are associated with high morbidity and mortality. Data on pHIs in children outside North America are limited. We describe the mechanism of injuries, neuroimaging findings, neurosurgery and mortality for pHIs in Australia and New Zealand.

METHODS

This was a planned secondary analysis of a prospective observational study of children <18 years who presented with a head injury of any severity at any of 10 predominantly paediatric Australian/New Zealand emergency departments (EDs) between 2011 and 2014. We reviewed all cases where clinicians had clinically suspected pHI as well as all cases of clinically important traumatic brain injuries (death, neurosurgery, intubation >24 h, admission >2 days and abnormal computed tomography).

RESULTS

Of 20 137 evaluable patients with a head injury, 21 (0.1%) were identified to have sustained a pHI. All injuries were of non-intentional nature, and there were no gunshot wounds. The mechanisms of injuries varied from falls, animal attack, motor vehicle crashes and impact with objects. Mean Glasgow Coma Scale on ED arrival was 10; 10 (48%) had a history of loss of consciousness, and 7 (33%) children were intubated pre-hospital or in the ED. Fourteen (67%) children underwent neurosurgery, two (10%) craniofacial surgery, and five (24%) were treated conservatively; four (19%) patients died.

CONCLUSIONS

Paediatric pHIs are very rare in EDs in Australia and New Zealand but are associated with high morbidity and mortality. The absence of firearm-related injuries compared to North America is striking and may reflect Australian and New Zealand firearm regulations.