Objective To determine whether an indwelling catheter on free drainage provides a constantly low intravesical pressure in patients with a neuropathic bladder. Patients and methods Thirty patients with complete spinal‐cord injury (SCI) whose bladders were managed exclusively with an indwelling catheter were assessed urodynamically using natural‐fill urodynamics (ambulatory monitoring) while their catheters were left on free drainage. Their upper urinary tracts were assessed using plain X‐rays and ultrasonography. Results Detrusor contractions causing intravesical pressure rises of >40 cmH2O for up to 4.5 min were observed in 11 patients. Renal scarring was observed in nine patients; of these, six were in the group with contractions of >40 cmH2O, whereas only five of 21 patients with normal kidneys had such pressure rises. Conclusion An indwelling catheter on free drainage is no guarantee of a constantly low intravesical pressure. This study provides evidence to suggest that there is an association between phasic bladder contractions which occur despite catheter drainage and upper urinary tract damage in permanently catheterized patients with SCI.
Three cases of pituitary abscess are described. All were women with varying degrees of anterior pituitary dysfunction, diabetes insipidus and headaches. None had visual disturbance. A history of prior head injury was obtained in both young women who developed secondary amenorrhoea and hyperprolactinaemia. All three had low density, thick rim intrasellar masses on computed tomography scanning. Certain aspects of the diagnosis and surgical management of this rare condition are discussed with particular emphasis on the importance of pre- and postoperative endocrine assessment and preoperative diagnosis and proper surgical management.
Introduction Hypothermia has been increasingly used for cerebral resuscitation in comatose survivors of cardiac arrest. A large number of studies have been undertaken in patients with traumatic brain injury to asses the efficacy of hypothermia for reduction of intracranial hypertension. Hypothermia has also been shown to reduce mortality and increase functional outcome if used for longer duration in patients with severe traumatic brain injury. Due to the risk of rebound cerebral edema during re-warming, medical complications and other factors, hypothermia has not been widely utilized for other neurologic catastrophes. To determine the safety and feasibility of hypothermia to treat intracranial hypertension in patients with aneurysmal subarachnoid hemorrhage (SAH), we performed this study. Methods Retrospective analysis was performed on 11 consecutive patients with poor grade (Hunt and Hess IV and V) SAH who had high intracranial pressure that was either non responsive or poorly responsive to conventional methods (head of bed at 30 degrees, sedation, CSF drainage and osmotherapy). All patients had intracranial pressure (ICP) monitoring via an external ventriculostomy drain (EVD) catheter. Hypothermia was induced non-invasively via surface cooling pads (Artic Sun Temperature Management System). Intravenous sedation and paralysis was used via intravenous infusion to control shivering. Hypothermia (target temperature of 32 to 34 degree C) was maintained until ICP normalized. Results Duration of hypothermia ranged from 79 hours to 190 hours. One patient required re-induction due to rebound increase in ICP during re-warming. Modified rankin scale was recorded at 3 month after the ictus. Eight patients (72%) survived with good recovery, one patient (9%) survived with severe disability and two patients (18%) died. The most common side effect was electrolyte imbalance seen in seven patients (63%), thrombocytopenia in three patients (27%), and pneumonia in four patients(36%). All complications were successfully treated and major consequences of complications (bleeding diathesis, septic shock syndrome and death) were not observed in any of these patients. Two patients had decompressive hemicraniectomy prior to hypothermia induction. Out of nine patients who did not undergo hemi-craniectomy, two died and seven did not require surgical intervention after induction of hypothermia. Conclusions Mild hypothermia induction for 72 hours or more for the treatment of intracranial hypertension refractory to other conventional methods in patients with SAH appears safe and feasible. Hypothermia may potentially be an earlier treatment option than currently recommended. This study serves as a template for future efficacy trials.
Background and Purpose: Eptifibatide, a competitive platelet glycoprotein IIb-IIIa receptor inhibitor with high selectivity for platelet glycoprotein IIb-IIIa receptors and a short half-life, has been shown to reduce the risk of ischemic events associated with coronary interventions. However, its role in conjunction with full dose intravenous alteplase in neurointerventional procedures needs to be determined. We report the results of an open-label prospective registry to evaluate the safety (in terms of avoiding hemorrhagic complications) and effectiveness (in terms of recannalization rates and clinical improvement) of administering eptifibatide. Method: Patients data was prospectively maintained at a University-affiliated community hospital from January 2010 to June 2011. Consecutive patients with moderate to severe stroke who received intravenous Alteplase and failed to improve were studied. Femoral artery access was established and site of cerebral occlusion crossed with microcatheter. Each patient was administered 135 mcg/kg intraarterial bolus followed by intravenous eptifibatide infusion (0.5-microg/kg/min) for 20 hours. The outcome analysis was done to look at recannalization rates, clinical improvement within 24 hours and mRS at discharge. The primary safety end point was symptomatic intracranial or major extra-cranial bleeding. Result: Sixteen patients (Mean Age 72.7, Range 30-93, Male-5(31.25%), Female-11(68.75%)) underwent treatment with this strategy. Recannalization was achieved in 93.75%(n=16)(Complete Recannalization in 43.75%, Partial Recannalization in 50%). There was immediate clinical improvement in 68.75% and good outcomes in 31.25%. One symptomatic and one asymptomatic intracerebral hemorrhage occurred during the follow-up period. Minor femoral site bleeding without requiring transfusion occurred in one patient. Conclusions: In conclusion, eptifibatide administered as an adjunct to thrombectomy for bridging after intravenous Alteplase appears to be safe and promotes recannalization in patients with acute ischemic stroke. Further studies are required to analyze eptifibatide efficacy after intravenous alteplase and its role in neurointerventional procedures.
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