To update the epidemiology of septic shock we analyzed clinical, microbiologic, and outcome variables from 100,554 intensive care unit admissions on the Collège des Utilisateurs de Bases de données en Réanimation (CUB-Réa) database, collected from 22 hospitals over a 8-year period, 1993 to 2000. The overall frequency of septic shock was 8.2 per 100 admissions (i.e., 8,251 stays). It increased from 7.0 (in 1993) to 9.7 per 100 admissions (in 2000). The distribution analysis of the sites of infection and of the types of pathogens showed an increase in the rate of pulmonary infection (p = 0.001) and of multiresistant bacteria-related septic shock (p = 0.001). The crude mortality was 60.1% and declined from 62.1% (in 1993) to 55.9 (in 2000) (p = 0.001). As compared with matched intensive care unit admissions without sepsis, the excess risk of death due to septic shock was 25.7 (95% confidence interval, 24.0-27.3) and the matched odds ratio of death was 3.9 (95% confidence interval, 3.5-4.3). The frequency of septic shock is increasing with more multiresistant strains. Its crude mortality rate is decreasing, but patients with septic shock still have a high excess risk of death than critically ill patients who are nonseptic.
Plasma exchange is contraindicated in 10 to 20% of patients with Guillain-Barré syndrome (GBS). The optimal schedule for intravenous immune globulin (IVIg) therapy has not yet been established in these patients.The objective was to compare the eYcacy and safety of two IVIg treatment durations in patients with GBS with contraindications for plasma exchange.In this randomised, double blind, multicentre phase II trial conducted in seven French centres, patients with GBS with severe haemostasis, unstable haemodynamics, or uncontrolled sepsis were randomly assigned to 0.4 g/kg/day IVIg for 3 or 6 days. The primary outcome measure was the time needed to regain the ability to walk with assistance.Thirty nine patients were included from March 1994 to May 1997, 21 in the 3 day group and 18 in the 6 day group. Time to walking with assistance was nonsignificantly shorter in the 6 day group (84 (23-121) v 131 days (51-210), p=0.08); the diVerence was significant in ventilated patients (86 days (13-151) in the 6 day group v 152 days (54-332) in the 3 day group; p=0.04). The prevalence and severity of IVIg related adverse eVects were comparable between the two groups.In conclusion, in patients with GBS and contraindications for plasma exchange, especially those who need ventilatory assistance, IVIg (0.4 g/kg/day) may be more beneficial when given for 6 days rather than 3 days. (J Neurol Neurosurg Psychiatry 2001;71:235-238)
At 1 month after mild carbon monoxide intoxication, victims who presented with dizziness before hospital admission or headaches upon admission have an increased risk of minor persistent neurological symptoms, but almost all patients could resume their former occupation.
The treatment of Guillain-Barré syndrome by PE at the onset of disease appears to have medical justification. The least expensive strategies are either more or equally efficient as more expensive strategies.
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