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1.
Respir Care ; 2024 Jun 12.
Article in English | MEDLINE | ID: mdl-38866415

ABSTRACT

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.

2.
Crit Care Res Pract ; 2024: 5516516, 2024.
Article in English | MEDLINE | ID: mdl-38742230

ABSTRACT

Introduction: The objective of this study was to describe Do-Not-Resuscitate (DNR) practices in a tertiary-care intensive care unit (ICU) in Saudi Arabia, and determine the predictors and outcomes of patients who had DNR orders. Methods: This retrospective cohort study was based on a prospectively collected database for a medical-surgicalIntensive CareDepartment in a tertiary-care center in Riyadh, Saudi Arabia (1999-2017). We compared patients who had DNR orders during the ICU stay with those with "full code." The primary outcome was hospital mortality. The secondary outcomes included ICU mortality, tracheostomy, duration of mechanical ventilation, and length of stay in the ICU and hospital. Results: Among 24790 patients admitted to the ICU over the 19-year study period, 3217 (13%) had DNR orders during the ICU stay. Compared to patients with "full code," patients with DNR orders were older (median 67 years [Q1, Q3: 55, 76] versus 57 years [Q1, Q3: 33, 71], p < 0.0001), were more likely to be females (43% versus 38%, p < 0.0001), had worse premorbid functional status (WHO performance status scores 4-5: 606[18.9%] versus 1894[8.8%], p < 0.0001), higher prevalence of comorbid conditions, and higher APACHE II score (median 28 [Q1, Q3: 23, 34] versus 19 [Q1, Q3: 13, 25], p < 0.0001) and were more likely to be mechanically ventilated (83% versus 55%, p < 0.0001). Patients had DNR orders were more likely to die in the ICU (67.8% versus 8.5%, p < 0.0001) and hospital (82.4% versus 18.1%, p < 0.0001). On multivariable logistic regression analysis, the following were associated with an increased likelihood of DNR status: increasing age (odds ratio (OR) 1.01, 95% confidence interval (CI) 1.01-1.02), higher APACHE II score (OR 1.09, 95% CI 1.08-1.10), and worse WHO performance status score. Patients admitted in recent years (2012-2017 versus 2002-2005) were less likely to have DNR orders (OR 0.35, 95% CI 0.32-0.39, p < 0.0001). Patients with DNR orders had higher ICU mortality, more tracheostomies, longer duration of mechanical ventilation and length of ICU stay compared to patients with with "full code" but they had shorter length of hospital stay. Conclusion: In a tertiary-care hospital in Saudi Arabia, 13% of critically ill patients had DNR orders during ICU stay. This study identified several predictors of DNR orders, including the severity of illness and poor premorbid functional status.

3.
J Crit Care ; 72: 154121, 2022 12.
Article in English | MEDLINE | ID: mdl-35908329

ABSTRACT

PURPOSE: To evaluate the outcomes of patients with septic shock treated with a combination of norepinephrine with phenylephrine compared to norepinephrine with vasopressin. MATERIALS AND METHODS: This was a retrospective cohort study including adults admitted between 2002 and 2017 with septic shock according to the Sepsis 3 criteria. We compared outcomes of patients treated with norepinephrine with phenylephrine to those treated with norepinephrine with vasopressin. Multivariate analysis was carried out to evaluate the association of norepinephrine with phenylephrine compared to norepinephrine with vasopressin with in-hospital mortality. RESULTS: During the study period, 158 patients with septic shock were treated with norepinephrine with phenylephrine and 129 with norepinephrine with vasopressin. Crude in-hospital mortality was not different between the two groups [91/158 (57.6%) versus 80/129 (62.5%), p = 0.40]. There was also no difference in ICU length of stay or hospital length of stay. Multivariate analysis demonstrated no significant association of norepinephrine with phenylephrine with in-hospital mortality compared to norepinephrine with vasopressin (OR 0.62 (95% confidence interval 0.31, 1.23, p = 0.17). CONCLUSION: Phenylephrine used as a second-line vasoactive agent combined with norepinephrine may be a reasonable option compared to vasopressin. However, this finding needs to be validated in a randomized controlled trial.


Subject(s)
Norepinephrine , Shock, Septic , Adult , Humans , Norepinephrine/therapeutic use , Shock, Septic/drug therapy , Phenylephrine/therapeutic use , Retrospective Studies , Vasoconstrictor Agents/therapeutic use , Critical Illness , Vasopressins/therapeutic use
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