![]() and CSF lactate of 5.2 mmol/L (reference value: 0.92.8 micromol/L). International Normalized Ratio (INR) or Partial Thromboplastin Time (PTT) results outside of normal range (INR 0.8-1.4 PTT 25-35 secs. The patient developed hydrocephalus on a second CT scan of the brain on the 5th day.Presence of a deep vein thrombosis superior to the popliteal segment of the femoral vein.Other medical illnesses that may cause the patient to be non-compliant with the protocol or confound data interpretation as determined by the study Investigator.Patient is currently participating in another investigational drug or device trial that could conflict with study data collection or follow-up Removal of CSF with blood and protein approximately 10-15 ml/kg normal resorption of CSF to prevent the development of hydrocephalus after periventricular hemorrhage.Clearly antecedent stroke unrelated to post-aneurysmal SAH.History of bleeding diatheses, coagulopathy or will refuse blood transfusion in cases of emergency.Atrial septal defect or patent foramen ovale identified on cardiac echocardiogram.Venous distension in the neck on physical exam.Occlusion or stenosis of the internal jugular vein.Hypersensitivity or contraindication to heparin or radiographic contrast agents which cannot be adequately pre-medicated, desensitized or where no alternative is available.Active systemic infection or infection detected in CSF.Unwilling or unable to comply with follow up requirements.Presence of gross blood in CSF from EVD.Indication of obstructive hydrocephalus.Patient is in a state of unconsciousness or is unable to understand the information provided in the Informed Consent Form for this study.Pre-procedure CT confirmation of no obstruction preventing CPA cistern access at target implant site (e.g., petrous bone) as confirmed by SSC Normal pressure hydrocephalus Normal pressure hydrocephalus (NPH) refers to a condition of pathologically enlarged ventricular size with normal opening pressures on lumbar puncture.Pre-procedure MRI with gadolinium confirmation of IPS (inferior petrosal sinus) and CPA (cerebellopontine angle) cistern anatomy suitable for eShunt Implant deployment as confirmed by SSC (subject screening committee).Neurologically stable without evidence of severe vasospasm.Clinical signs and symptoms of communicating hydrocephalus.Collect PT, INR, Anti-Xa level, aPTT, fibrinogen, CBC, serum Cr, LFTs. Post-clamping ICP > 25 cmH2O for 15 cmH2O for 15 min with radiographic evidence of ventriculomegaly to name as many animals as possible in 1 minute (>20 is normal).Post-clamping ICP of > 20 cmH2O for 15 min, or.Post-aneurysmal SAH with Hunt and Hess Grades I-IV with EVD in place with the need for a permanent CSF shunt determined through a failed EVD clamping trial defined as: Why Should I Register and Submit Results?.
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