Neurocritical care
-
One of the predictive factors of outcome in traumatic brain injury is high intracranial pressure (ICP). Recently, the time course of ICP has been described but few data are available on the relation of these ICP profiles and outcome. The aim of this study is to investigate the relation of the time course of ICP with CT-findings and outcome. ⋯ During ICP monitoring different ICP profiles are present over time. These profiles are related to CT-characteristics and outcome. The importance of early and late monitoring of ICP is underlined.
-
Case Reports
Ondine's curse with accompanying trigeminal and glossopharyngeal neuralgia secondary to medullary telangiectasia.
Central hypoventilation syndrome ("Ondine's Curse") is an infrequent disorder that can lead to serious acute or chronic health consequences. This syndrome, especially in adults, is rare, and even less frequent in the absence of clear pathogenic lesions on MRI. In addition, we are not aware of any previously reported cases with associated cranial nerve neuralgias. ⋯ Placement of a diaphragmatic pacing system was warranted and became lifesaving as the patient was deemed to be severely incapacitated by chronic ventilatory insufficiency.
-
Brain energy metabolic crisis (MC) and lactate-pyruvate ratio (LPR) elevations have been linked to poor outcome in comatose patients. We sought to determine if MC and LPR elevations after subarachnoid hemorrhage (SAH) are associated with acute reductions in serum glucose. ⋯ Acute reductions in serum glucose, even to levels within the normal range, may be associated with brain energy metabolic crisis and LPR elevation in poor-grade SAH patients.
-
The intrinsic pathway of apoptosis has been proposed as one mechanism of cell death after traumatic brain injury (TBI). This study tested the hypothesis that cytochrome c and activated caspase-9 are released into the cerebrospinal fluid (CSF) after severe TBI and that their presence correlates with mitochondrial injury and severity of neurologic outcome. ⋯ We concluded that activated caspase-9 and cytochrome c are present in the CSF of patients with severe TBI. Activated caspase-9 shows weak correlation with poor neurologic outcome.
-
We examined a bedside technique transcerebral double-indicator dilution (TCID) for global cerebral blood flow (CBF) as well as the concept of effective cerebral perfusion pressure (CPP(eff)) during different treatment options for intracranial hypertension, and compared global CBF and CPP(eff) with simultaneously obtained conventional parameters. ⋯ TCID allows repeated measurements of global CBF at the bedside. Elevated ventilation lowered and osmotherapy temporarily raised global CBF. In situations of increased vasotonus, CPP(eff) is a better indicator of blood flow changes than conventional CPP.