Noninvasive Ventilation in Critically Ill Patients With Severe Acute Respiratory Infections.

BACKGROUND: The objective of this study was to evaluate the association between noninvasive ventilation (NIV) compared with invasive ventilation and mortality in subjects with severe acute respiratory infection. METHODS: This was a retrospective multi-center study of subjects with severe acute respiratory infection treated with ventilatory support between September 2012 and June 2018. We compared the 90-d mortality of subjects managed initially with NIV (NIV group) with those managed with invasive ventilation only (invasive ventilation group), adjusting by propensity score. RESULTS: Of 383 subjects, 189 (49%) were in the NIV group and 194 (51%) were in the invasive ventilation group. Of the subjects initially treated with NIV, 117 (62%) were eventually intubated. Crude 90-d mortality was lower in the NIV group versus the invasive ventilation group (42 [22.2%] vs 77 [39.7%]; P < .001). After propensity score adjustment, NIV was associated with lower 90-d mortality than invasive ventilation (odds ratio 0.54, 95% CI 0.38-0.76; P < .001). The association of NIV with mortality compared with invasive ventilation was not different across the studied subgroups. CONCLUSIONS: In subjects with severe acute respiratory infection and acute respiratory failure, NIV was commonly used. NIV was associated with a lower 90-d mortality. The observed high failure rate suggests the need for further research to optimize patient selection and facilitate early recognition of NIV failure.

Outcomes of cirrhotic patients admitted to the intensive care unit after a successful cardiac arrest resuscitation.

OBJECTIVES: To evaluate the outcomes of cirrhotic patients admitted to the intensive care unit (ICU) following cardiac arrest. METHODS: This was a single centre retrospective study of all the cirrhotic patients, admitted to the ICU at King Abdulaziz Medical City, Riyadh, Saudi Arabia, after a successful cardiac arrest resuscitation, from 1999 to 2017. The characteristics of the hospital survivors and non-survivors were compared. RESULTS: A total of 76 patients were admitted to the ICU during the study period, with a median age of 64 years. In addition to cirrhosis, the patients had other chronic comorbidities, including chronic renal disease (32.9%) and diabetes (47%). Of this group, 67 (88.2%) died in the hospital, and 54 (71%) died while in ICU. Compared to the group who survived, all non-survivors required mechanical ventilation and had a higher median APACHE II score of 38 (p=0.006), a lower median Glasgow coma score (GCS) of 3 (p=0.0003), and a higher median lactic acid of 6.4 mmol/L (p=0.032). On multivariable logistic regression analysis, the important predictors of hospital mortality were APACHE II score (p=0.006), bilirubin level (p=0.008) and GCS (p=0.005). CONCLUSION: Cirrhotic patients admitted to the ICU following cardiac arrest have high mortality. Patients with higher APACHE II scores, higher bilirubin and lower GCS have higher risk of in-hospital mortality.