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Acute Spinal Subdural Hematoma after Vertebroplasty: A Case Report Emphasizing the Possible Etiologic Role of Venous Congestion.

ABSTRACT: Study Design Case report and literature review. Objective Spinal subdural hematomas are rare events that often progress with severe neurologic deficits. Although there have been several case reports in the literature of spontaneous spinal subdural hematomas in the setting of anticoagulation, antiplatelet therapy, or coagulation disorders, the exact pathophysiology of such phenomena remains obscure. Methods We present the first report of a subdural hematoma after a percutaneous vertebroplasty and provide a comprehensive review on the anatomy of venous drainage of the vertebral bodies with emphasis on the possible effects of venous congestion caused by cement obstruction. Results Because the subdural hematoma occurred in the absence of major cement extravasation to the spinal canal and two levels above the site of the vertebroplasty, we discuss the possible role of venous congestion as the main etiologic factor leading to rupture of the fragile, valveless radiculomedullary veins into the subdural space. Conclusions The reported case supports a possible new pathophysiological scheme for the development of spinal subdural hematoma in which venous congestion plays a pivotal etiologic role. The reported findings suggests that future anatomical and histologic studies investigating the response of the radiculomedullary veins to congestive venous hypertension may shed new light into the pathophysiology of spinal subdural hematomas.

SUBMITTER: Mattei TA

PROVIDER: S-EPMC4577316 | biostudies-other | 2015 Oct

REPOSITORIES: biostudies-other

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Nontraumatic bilateral subdural hematoma: Case report.

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Acute spontaneous subdural hematoma secondary to ruptured arteriovenous malformation: A rare entity.

Project description:IntroductionAcute spontaneous subdural hematoma (ASSDH) due to ruptured arteriovenous malformation (AVM) is exceptional. There were only four reported cases. In this paper, we present a successful multimodality treatment of the ASSDH secondary to ruptured AVM.Case presentationA 21-year-old healthy man with no history of trauma presented to our hospital with complaints of severe headache for 12 hours before admission. On examination, he was alert and oriented. He had no intracranial hypertension, meningismus, and neurological deficits. Computed tomography illustrated a right acute subdural hematoma 8mm in thickness with a 5mm midline shift and a right frontal intraparenchymal hemorrhage 40 × 25mm in size. Digital subtraction angiography showed a 2 × 3 cm right frontal AVM, Spetzler-Martin grade I. The feeding arteries were cortical branches of the right anterior cerebral artery, and drain veins were cortical veins. He received emergency preoperative embolization followed by hematoma evacuation and total excision of the malformation. His headache was relieved and disappeared after a week. No postoperative neurological deficits were reported.Clinical discussionElective surgical resection of AVM after 4-6 weeks was preferred in patients with no risk factors of rebleeding. Emergent surgery was only indicated for significant mass effect or acute hydrocephalus. Preoperative embolization is helpful for the presence of intra-nidal or peri-nidal aneurysm, AVM with high grades, reducing intraoperative blood loss and occlusion of deep vessels.ConclusionASSDH due to ruptured AVM is rare and easy to omit in clinical settings. Preoperative embolization and surgical excision are effective treatments.

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The clinical relevance of ABO blood type in 100 patients with acute subdural hematoma.

Project description:OBJECTIVE:The correlation of depleted blood through midline shift in acute subdural hematoma remains the most reliable clinical predictor to date. On the other hand, patient's ABO blood type has a profound impact on coagulation and hemostasis. We conducted this study to evaluate the role of patient's blood type in terms of incidence, clinical course and outcome after acute subdural hematoma bleeding. METHODS:100 patients with acute subdural hematoma treated between 2010 and 2015 at the author's institution were included. Baseline characteristics and clinical findings including Glasgow coma scale, Glasgow outcome scale, hematoma volume, rebleeding, midline shift, postoperative seizures and the presence of anticoagulation were analyzed for their association with ABO blood type. RESULTS:Patient's with blood type O were found to have a lower midline shift (p<0.01) and significantly less seizures (OR: 0.43; p<0.05) compared to non-O patients. Furthermore, patients with blood type A had the a significantly higher midline shift (p<0.05) and a significantly increased risk for postoperative seizures (OR: 4.01; p<0.001). There was no difference in ABO blood type distribution between acute subdural hematoma patients and the average population. CONCLUSION:The ABO blood type has significant influence on acute subdural hematoma sequelae. Patient's with blood type O benefit in their clinical course after acute subdural hematoma whereas blood type A patients are at highest risk for increased midline shift and postoperative seizures. Further studies elucidating the biological mechanisms of blood type depended hemostaseology and its role in acute subdural hematoma are required for the development of an appropriate intervention.

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Neurosurgical Treatment of Patients with Posterior Fossa Acute Subdural Hematoma Right after Cardiac Surgery.

Project description:As posterior fossa acute subdural hematoma (ASDH) right after cardiac surgery is extremely rare, the clinical course and optimal treatment strategy remain undetermined. We performed a retrospective analysis of patients with posterior fossa ASDH right after cardiac surgery requiring neurosurgical treatment at our institution over a 7-year period and, in this study, discussed the neurosurgical strategy and clinical course. Collected data included clinical history, laboratory results, time course, symptoms, neurosurgical treatment, outcome at discharge, and imaging studies. All six patients were women who had no history of head trauma and had received antithrombotic therapy during the perioperative period of cardiac surgery. All patients showed lower platelets count and were diagnosed with ASDH within 3 days (longest time 64 h) right after cardiac surgery. After discontinuation of anticoagulation therapy and administration of reversal agents, they underwent emergency hematoma evacuation craniotomy (n = 5) or burr hole drainage surgery (n = 1), which were performed in the prone (n = 4) or lateral (n = 2) positions. Four of these patients showed favorable outcomes, and two showed poor outcomes. One of the poor-outcome patients received three antithrombotic therapies, and another developed rapidly progressive ASDH. Posterior fossa ASDH associated with antithrombotic therapy right after cardiac surgery is frequently found in women, and emergent neurosurgical treatment with anticoagulation discontinuation and reversal agent administration can be performed safely. Burr hole drainage surgery might be acceptable in nonsevere cases. By contrast, we must pay attention to cases receiving both anticoagulant and antiplatelet drugs and rapid progression cases.

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