Comparative effectiveness of surgery in traumatic acute subdural and intracerebral haematoma: study protocol for a prospective observational study within CENTER-TBI and Net-QuRe.

INTRODUCTION: Controversy exists about the optimal treatment for patients with a traumatic acute subdural haematoma (ASDH) and an intracerebral haematoma/contusion (t-ICH). Treatment varies largely between different regions. The effect of this practice variation on patient outcome is unknown. Here, we present the protocol for a prospective multicentre observational study aimed at comparing the effectiveness of different treatment strategies in patients with ASDH and/or t-ICH. Specifically, the aims are to compare (1) an acute surgical approach to an expectant approach and (2) craniotomy to decompressive craniectomy when evacuating the haematoma. METHODS AND ANALYSIS: Patients presenting to the emergency room with an ASDH and/or an t-ICH are eligible for inclusion. Standardised prospective data on patient and injury characteristics, treatment and outcome will be collected on 1000 ASDH and 750 t-ICH patients in 60-70 centres within two multicentre prospective observational cohort studies: the Collaborative European NeuroTrauma Effectiveness Research in Traumatic Brain Injury (CENTER-TBI) and Neurotraumatology Quality Registry (Net-QuRe). The interventions of interest are acute surgery, defined as surgery directly after the first CT at presentation versus late or no surgery and craniotomy versus decompressive craniectomy. The primary outcome measure is the Glasgow Outcome Score-Extended at 6 months. Secondary outcome measures include in-hospital mortality, quality of life and neuropsychological tests. In the primary analysis, the effect of treatment preference (eg, proportion of patients in which the intervention under study is preferred) per hospital will be analysed with random effects ordinal regression models, adjusted for casemix and stratified by study. Such a hospital-level approach reduces confounding by the indication. Sensitivity analyses will include propensity score matching, with treatment defined on patient level. This study is designed to determine the best acute management strategy for ASDH and t-ICH by exploiting the existing between-hospital variability in surgical management. ETHICS AND DISSEMINATION: Ethics approval was obtained in all participating countries. Results of surgical management of ASDH and t-ICH/contusion will separately be submitted for publication in a peer-reviewed journal. TRIAL REGISTRATION NUMBER: NCT02210221 and NL 5761.

Radiologic Factors Predicting Deterioration of Mental Status in Patients with Acute Traumatic Subdural Hematoma.

OBJECTIVE: To evaluate whether subdural hematoma (SDH) volume and other radiologic factors predict deterioration of mental status in patients with acute traumatic SDH. METHODS: SDH volumes were measured with a semiautomated tool. The area under the receiver operating characteristic curve was used to determine optimal cutoff values for mental deterioration, including the variables midline shift, SDH volume, hematoma thickness, and Sylvian fissure ratio. Multivariate logistic regression was used to calculate the odds ratio for mental deterioration based on several predictive factors. RESULTS: We enrolled 103 consecutive patients admitted to our hospital with acute traumatic SDH over an 8-year period. We observed an increase in SDH volume of approximately 7.2 mL as SDH thickness increased by 1 mm. A steeper slope for midline shift was observed in patients with SDH volumes of approximately 75 mL in the younger age group compared with patients in the older age group. When comparing cutoff values used to predict poor mental status at time of admission between the 2 age groups, we observed smaller midline shifts in the older patients. CONCLUSIONS: Among younger patients, an overall tendency for more rapid midline shift progression was observed in patients with relatively low SDH volumes compared with older patients. Older patients seem to tolerate larger hematoma volumes owing to brain atrophy compared with younger patients. When there is a midline shift, older patients seem to be more vulnerable to mental deterioration than younger patients.

Confusion recurs 2 weeks after fall.

A 77-year-old woman presented to the emergency department complaining of a headache following a syncopal episode (while standing) earlier that day. She said that she'd lost consciousness for several minutes, and then experienced several minutes of mild confusion that resolved spontaneously. On physical exam, she was oriented to person and place, but not time. She had a contusion in her left occipitoparietal region without extensive bruising or deformity. The patient had normal cardiopulmonary, abdominal, and neurologic exams. Her past medical history included hypertension and normal pressure hydrocephalus, and her vital signs were within normal limits. She was taking aspirin once daily. The patient's initial head and neck computerized tomography (CT) scans were normal, but she was hospitalized because of her confusion. During her hospitalization, the patient had mild episodic headaches that resolved with acetaminophen. The next day, her confusion resolved, and repeat CT scans were unchanged. She was discharged within 24 hours. Two weeks later, the patient returned to the hospital after her daughter found her on the toilet, unable to stand up from the sitting position. She was confused and experienced a worsening of headache during transport to the hospital. No recurrent falls or additional episodes of trauma were reported. A CT scan was performed. WHAT IS YOUR DIAGNOSIS? HOW WOULD YOU TREAT THIS PATIENT?

"I am not afraid of death"-a survey on preferences concerning neurosurgical interventions among patients over 75 years.

INTRODUCTION: Treatment decisions in elderly patients with traumatic brain injury (TBI) are mainly determined by trauma severity and patient age. The aim of this study was to explore personal preferences of potential patients regarding life-prolonging neurosurgical interventions by interviewing ambulatory, autonomous elderly people. METHODS: One hundred consecutive patients older than 75 years frequenting the outpatient clinic of the Department of Neurosurgery were interviewed about their attitudes regarding the hypothetical case of an 81-year-old patient with TBI and a space-occupying acute subdural hematoma (aSDH) using a 21-point questionnaire. RESULTS: Fifty-one percent of the consulted persons declined life-prolonging surgical measures. If surgery was associated with physical disability, 68% of the people wished no surgery. In case of cognitive impairment after surgery, 91% were against any surgical intervention. The majority feared being a burden to relatives (76%) and becoming unable to master an independent life (75%). Four-fifths of the interviewed patients (82%) were not afraid of death. CONCLUSIONS: The majority of elderly patients only consent to surgical measures if no relevant disabilities are involved and if they can return to their previous life. These findings need consideration in case of life-threatening neurosurgical emergencies as well as in the surgical treatment of elderly patients in general.

Bilingual aphasia due to spontaneous acute subdural haematoma from a ruptured intracranial infectious aneurysm.

We report a case of spontaneous subdural haematoma due to ruptured intracranial infectious aneurysm, presenting with bilingual aphasia and illustrating differential language recovery. A 62-year-old right-handed bilingual gentleman, with a diagnosis of infective endocarditis, developed headache and became expressively aphasic in the English language. Three days later he was receptively and expressively aphasic in both English and Arabic. Cranial MRI scans showed a left-sided acute subdural haematoma with mass effect and midline shift. Contrast CT brain scans showed an enhancing speck adjacent to the clot and cerebral angiogram confirmed a distal middle cerebral artery aneurysm. He underwent image-guided craniotomy, evacuation of the subdural haematoma and excision of the aneurysm. Histopathological examination was consistent with an infectious intracranial aneurysm. Postoperatively his aphasia did not improve immediately. He had widened pulse pressure due to severe aortic regurgitation, confirmed on echocardiography. He underwent aortic valve replacement and mitral valve repair, following which his aphasia recovered gradually. Initially the recovery of his language was limited to Arabic. About a week later he recovered his English language as well. At 3-year follow-up he is doing well and has no neurological deficits. His aphasia has recovered completely. The present case is unique because of (a) presence of pure subdural haematoma, and (b) the differential susceptibility and recovery of native (L1) and acquired language (L2) in presence of a common pathology. The neurology of language in a bilingual is analysed and possible mechanisms discussed.

Auditory hallucinations after right temporal gyri resection.

The authors present a case study on the development of auditory hallucinations secondary to right temporal lobe damage. Surgical resection in the study patient was of the right superficial middle and inferior temporal gyri. Carbamazepine at a dosage of 800 mg daily was the most effective medication used. A multidisciplinary approach involving the neurosurgeon, psychiatrist, family, and rehabilitation specialist is necessary in managing the psychiatric sequelae of brain injury.