- Subdural Catheter Injection of Tissue Plasminogen Activator for Residual Hematoma Post Drainage of Acute-On-Chronic Subdural Hematoma: A Novel Case Report of Two Patients. [Journal Article]World Neurosurg 2019WN
- CONCLUSIONS: Subdural thrombolytic therapy has can improve hematoma evacuation. A potential implication of this is facilitation of minimally invasive options such as twist-drill craniotomy, previously deferred due to inadequate evacuation. However, there is a paucity of evidence and more research is needed to substantiate the safety and efficacy, refine this technique and guide patient selection.
- Predictors of Initial Presentation with Hemorrhage in Patients with Cavernous Malformations. [Journal Article]World Neurosurg 2019WN
- CONCLUSIONS: This prospective cohort study confirms brainstem location increases the likelihood to present with hemorrhage, but also supports a potential role of select medications on the initial clinical presentation of CM. Further data from combined cohorts may aid in determining whether the influence of medications is different in familial versus sporadic form CM.
- Endoscopic Evacuation of Intracerebral Hematoma Utilizing a Side-Cutting Aspiration Device. [Journal Article]Oper Neurosurg (Hagerstown) 2019ON
- CONCLUSIONS: This is the first ICH evacuation with a side-cutting-aspiration device via an endoscopic approach. In our patient, this technique proved to be safe and efficacious, suggesting that this technique may be a promising addition to the armamentarium of MIS for ICH evacuation.
- Anterior capsulotomy for obsessive-compulsive disorder: a review of old and new literature. [Review]J Neurosurg 2019; :1-10JN
- Over the last two decades, deep brain stimulation (DBS) has gained popularity as a treatment of severe and medically refractory obsessive-compulsive disorder (OCD), often using brain targets informed by historical lesional neurosurgical procedures. Paradoxically, the use of DBS in OCD has led some multidisciplinary teams to revisit the use of lesional procedures, especially anterior capsulotomy (…
Over the last two decades, deep brain stimulation (DBS) has gained popularity as a treatment of severe and medically refractory obsessive-compulsive disorder (OCD), often using brain targets informed by historical lesional neurosurgical procedures. Paradoxically, the use of DBS in OCD has led some multidisciplinary teams to revisit the use of lesional procedures, especially anterior capsulotomy (AC), although significant aversion still exists toward the use of lesional neurosurgery for psychiatric disorders. This paper aims to review all literature on the use of AC for OCD to examine its effectiveness and safety profile.All publications on AC for OCD were searched. In total 512 patients were identified in 25 publications spanning 1961-2018. In papers where a Yale-Brown Obsessive Compulsive Scale (Y-BOCS) score was available, 73% of patients had a clinical response (i.e., > 35% improvement in Y-BOCS score) and 24% patients went into remission (Y-BOCS score < 8). In the older publications, published when the Y-BOCS was not yet available, 90% of patients were deemed to have had a significant clinical response and 39% of patients were considered symptom free. The rate of serious complications was low.In summary, AC is a safe, well-tolerated, and efficacious therapy. Its underuse is likely a result of historical prejudice rather than lack of clinical effectiveness.
- Neuroblastoma with intracerebral metastases and the need for neurosurgery: a single-center experience. [Journal Article]J Neurosurg Pediatr 2019; :1-6JN
- CONCLUSIONS: Neurosurgical procedures for intracerebral metastases in neuroblastoma patients are rare and were performed in 2.1% of patients in the present study. Intracerebral metastases occurred during disease progression, and the prognosis after surgery was very limited. The main indications for surgery were rapid neurological deterioration or recurrence of the metastasis after initial successful oncological treatment. Intraoperatively, the metastases usually had a distinguishable dissection plane from the normal brain tissue.
- Long-Term Dabigatran Treatment Delays Alzheimer's Disease Pathogenesis in the TgCRND8 Mouse Model. [Journal Article]J Am Coll Cardiol 2019; 74(15):1910-1923JACC
- CONCLUSIONS: Long-term anticoagulation with dabigatran inhibited thrombin and the formation of occlusive thrombi in AD; preserved cognition, cerebral perfusion, and BBB function; and ameliorated neuroinflammation and amyloid deposition in AD mice. Our results open a field for future investigation on whether the use of direct oral anticoagulants might be of therapeutic value in AD.
- High Serum DNA and RNA Oxidative Damage in Non-surviving Patients with Spontaneous Intracerebral Hemorrhage. [Journal Article]Neurocrit Care 2019NC
- CONCLUSIONS: The novel and most important finding of our study was that serum OGS levels in ICH patients are associated with mortality.
- Paradoxical association of symptomatic cerebral edema with local hypoperfusion caused by the 'watershed shift' after revascularization surgery for adult moyamoya disease: a case report. [Case Reports]Ther Adv Neurol Disord 2019; 12:1756286419878343TA
- Superficial temporal artery-middle cerebral artery anastomosis is generally considered as an effective method in improving damage associated with intracerebral occlusions in moyamoya disease. Hemodynamic changes caused by revascularization are the cause of many postoperative complications. Of the 186 consecutive surgeries for moyamoya disease at our hospital from 2015, we herein presented one cas…
Superficial temporal artery-middle cerebral artery anastomosis is generally considered as an effective method in improving damage associated with intracerebral occlusions in moyamoya disease. Hemodynamic changes caused by revascularization are the cause of many postoperative complications. Of the 186 consecutive surgeries for moyamoya disease at our hospital from 2015, we herein presented one case of adult-onset moyamoya disease that manifested symptomatic local cerebral edema and local hypoperfusion caused by the 'watershed shift'. A 67-year-old woman presented with limb numbness on the right side and underwent superficial temporal artery-middle cerebral artery anastomosis, resulting in neurological dysfunction and the formation of a reversible high-signal lesion at left frontotemporal lobes on T2-weighted images along with a decrease in perfusion values on 123I N-isopropyl-p-iodoamphetamine single-photon emission computed tomography, while the anastomotic vessel was patent on magnetic resonance angiography. This phenomenon of hypoperfusion area (left frontotemporal lobe) remote to anastomotic site (left temporal lobe area) led to the diagnosis of the 'watershed shift' phenomenon. In light of the hypoperfusion induced by 'watershed shift', the patient was treated with fluid replacement. With the gradual recovery of perfusion, the patient presented significantly improvement both on the magnetic resonance imaging findings and neurological symptoms. In conclusion, regional cerebral edema with hypoperfusion, possibly due to cerebral ischemia and the 'watershed shift' phenomenon, may be another novel entity that needs to be considered as a potential complication after extracranial-intracranial bypass for moyamoya disease.
- Interaction of atrial fibrillation and antithrombotics on outcome in intracerebral hemorrhage. [Journal Article]Neurology 2019Neur
- CONCLUSIONS: Patients with AF and ICH had increased mortality; however, AF had no independent effect on mortality after adjustment for antithrombotic pretreatment. Conversely, antithrombotic pretreatment had a deleterious effect on outcome in patients with ICH without AF, but no detectable effect in patients with AF with ICH.
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- Renal Dysfunction and In-Hospital Outcomes in Patients With Acute Ischemic Stroke After Intravenous Thrombolytic Therapy. [Journal Article]J Am Heart Assoc 2019; 8(20):e012052JA
- Background The impact of estimated glomerular filtration rate (eGFR) on clinical short-term outcomes after stroke thrombolysis with tissue plasminogen activator remains controversial. Methods and Results We analyzed 18 320 ischemic stroke patients who received intravenous tissue plasminogen activator at participating hospitals in the Chinese Stroke Center Alliance between June 2015 and November 2…
Background The impact of estimated glomerular filtration rate (eGFR) on clinical short-term outcomes after stroke thrombolysis with tissue plasminogen activator remains controversial. Methods and Results We analyzed 18 320 ischemic stroke patients who received intravenous tissue plasminogen activator at participating hospitals in the Chinese Stroke Center Alliance between June 2015 and November 2017. Multivariate logistic regression models were used to evaluate associations between eGFR (<45, 45-59, 60-89, and ≥90 mL/min per 1.73 m2) and in-hospital mortality and symptomatic intracerebral hemorrhage, adjusting for patient and hospital characteristics and the hospital clustering effect. Of the 18 320 patients receiving tissue plasminogen activator, 601 (3.3%) had an eGFR <45, 625 (3.4%) had an eGFR 45 to 59, 3679 (20.1%) had an eGFR 60 to 89, and 13 415 (73.2%) had an eGFR ≥90. As compared with eGFR ≥90, eGFR values <45 (6.7% versus 0.9%, adjusted odds ratio, 3.59; 95% CI, 2.18-5.91), 45 to 59 (4.0% versus 0.9%, adjusted odds ratio, 2.00; 95% CI, 1.18-3.38), and 60 to 89 (2.5% versus 0.9%, adjusted odds ratio, 1.67; 95% CI, 1.20-2.34) were independently associated with increased odds of in-hospital mortality. However, there was no statistically significant association between eGFR and symptomatic intracerebral hemorrhage. Conclusions eGFR was associated with an increased risk of in-hospital mortality in acute ischemic stroke patients after treatment with tissue plasminogen activator. eGFR is an important predictor of poststroke short-term death but not of symptomatic intracerebral hemorrhage.