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Annals of Thoracic Medicine. 2014; 9 (1): 33-38
Dans Anglais | IMEMR | ID: emr-139568

Résumé

Near-fatal asthma [NFA] has not been well studied in Saudi Arabia. We evaluated NFA risk factors in asthmatics admitted to a tertiary-care hospital and described NFA management and outcomes. This was a retrospective study of NFA patients admitted to an ICU in Riyadh [2006-2010]. NFA was defined as a severe asthma attack requiring intubation. To evaluate NFA risk factors, randomly selected patients admitted to the ward for asthma exacerbation were used as controls. Collected data included demographics, information on prior asthma control and various NFA treatments and outcomes. Thirty NFA cases were admitted to the ICU in the five-year period. Compared to controls [N= 120], NFA patients were younger [37.5 +/- 19.9 vs. 50.3 +/- 23.1 years, P= 0.004] and predominantly males [70.0% vs. 41.7%, P= 0.005] and used less inhaled steroids/long-acting 32-agonists combination [13.6% vs. 38.7% P = 0.024. Most [73.3%] NFA cases presented in the cool months [October-March]. On multivariate analysis, age [odds ratio [OR] 0.96; 95% confidence interval [Cl], 0.92-0.99, P= 0.015] and the number of ED visits in the preceding year [OR, 1.25; 95% Cl, 1.00-1.55] were associated with NFA. Rescue NFA management included ketamine [50%] and theophylline [19%] infusions. NFA outcomes included: neuromyopathy [23%], mechanical ventilation duration = 6.4 +/-4.7 days, tracheostomy [13%] and mortality [0%]. Neuromuscular blockade duration was associated with neuromyopathy [OR, 3.16 per one day increment; 95% Cl, 1.27-7.83]. In our study, NFA risk factors were younger age and higher number of ED visits. NFA had significant morbidity. Reducing neuromuscular blockade duration during ventilator management may decrease neuromyopathy risk


Sujets)
Humains , Mâle , Femelle , Facteurs de risque , Agonistes bêta-adrénergiques , Études rétrospectives , Intervalles de confiance , Analyse multifactorielle , Ventilation artificielle , Respirateurs artificiels , Maladie grave , Prise en charge de la maladie , Centres de soins tertiaires
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