University of Oklahoma Health Sciences Center

Intubation

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Pharmacologic and Nonpharmacologic Therapies in Adult Patients With Exacerbation of COPD: A Systematic Review

Author/s:

Dobler, CC, Morrow, AS, Farah, MH, Beuschel, B, Majzoub, AM, Wilson, ME, Hasan, B, Seisa, MO, Daraz, L, Prokop, LJ, Murad, MH, Wang, Z

Objectives. To synthesize existing knowledge about the effectiveness and harms of pharmacologic and nonpharmacologic treatments for exacerbations of chronic obstructive pulmonary disease (ECOPD).

Data sources. Embase®, Epub Ahead of Print, In-Process & Other Non-Indexed Citations, MEDLINE® Daily, MEDLINE, Cochrane Central Registrar of Controlled Trials, Ovid Cochrane Database of Systematic Reviews, and Scopus from database inception to January 2, 2019.

Review methods. We included randomized controlled trials (RCTs) that evaluated pharmacologic intervention or nonpharmacologic interventions for ECOPD. The strength of evidence (SOE) was graded for critical final health outcomes.

Results. We included 98 RCTs (13,401 patients, mean treatment duration 9.9 days, mean followup 3.7 months). Final health outcomes, including mortality, resolution of exacerbation, hospital readmissions, repeat exacerbations, and need for intubation, were infrequently evaluated and often showed no statistically significant differences between groups. Antibiotic therapy increases the clinical cure rate and reduces the clinical failure rate regardless of the severity of ECOPD (moderate SOE). There is insufficient evidence to support a particular antibiotic regimen. Oral and intravenous corticosteroids improve dyspnea and reduce the clinical failure rate (low SOE). Despite the ubiquitous use of inhaled bronchodilators in ECOPD, we found only a small number of trials that assessed lung function tests, and not final health outcomes. The evidence is insufficient to support the effect of aminophyllines, magnesium sulfate, mucolytics, inhaled corticosteroids, inhaled antibiotics, 5-lipoxygenase inhibitor, and statins on final health outcomes. Titrated oxygen reduces mortality compared with high flow oxygen (low SOE). Low SOE suggested benefit from some nonpharmacologic interventions such as chest physiotherapy using vibration/percussion/massage or breathing technique (on dyspnea), resistance training (on dyspnea and quality of life), early pulmonary rehabilitation commenced before hospital discharge during the initial most acute phase of exacerbation rather than the convalescence period (on dyspnea) and whole body vibration training (on quality of life). Vitamin D supplementation may improve quality of life (low SOE).

Conclusions. Although chronic obstructive pulmonary disease is a common condition, the evidence base for most interventions in ECOPD remains limited. Systemic antibiotics and corticosteroids are associated with improved outcomes in mild and moderate to severe ECOPD. Titrated oxygen reduces mortality. Future research is required to assess the effectiveness of several emerging nonpharmacologic and dietary treatments.

Keywords

copd chronic obstructive pulmonary disease therapy randomized control trial systematic review

Pulmonary Illness Related to E-Cigarette Use in Illinois and Wisconsin - Preliminary Report

Author/s:

Layden, J.E., Ghinai, I, Pray, I, Kimball, A, Layer, M, Tenforde, M, Navon, L, Hoots, B, Salvatore, PP, Elderbrook, M, Haupt, T, Kanne, J, Patel, MT, Saathoff-Huber, L, King, BA, Schier, JG, Mikosz, CA, Meiman, J

Read more about Pulmonary Illness Related to E-Cigarette Use in Illinois and Wisconsin - Preliminary Report
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BACKGROUND:

E-cigarettes are battery-operated devices that heat a liquid and deliver an aerosolized product to the user. Pulmonary illnesses related to e-cigarette use have been reported, but no large series has been described. In July 2019, the Wisconsin Department of Health Services and the Illinois Department of Public Health received reports of pulmonary disease associated with the use of e-cigarettes (also called vaping) and launched a coordinated public health investigation.

METHODS:

We defined case patients as persons who reported use of e-cigarette devices and related products in the 90 days before symptom onset and had pulmonary infiltrates on imaging and whose illnesses were not attributed to other causes. Medical record abstraction and case patient interviews were conducted with the use of standardized tools.

RESULTS:

There were 53 case patients, 83% of whom were male; the median age of the patients was 19 years. The majority of patients presented with respiratory symptoms (98%), gastrointestinal symptoms (81%), and constitutional symptoms (100%). All case patients had bilateral infiltrates on chest imaging (which was part of the case definition). A total of 94% of the patients were hospitalized, 32% underwent intubation and mechanical ventilation, and one death was reported. A total of 84% of the patients reported having used tetrahydrocannabinol products in e-cigarette devices, although a wide variety of products and devices was reported. Syndromic surveillance data from Illinois showed that the mean monthly rate of visits related to severe respiratory illness in June through August of 2019 was twice the rate that was observed in the same months in 2018.

CONCLUSIONS:

Case patients presented with similar clinical characteristics. Although the features of e-cigarette use that were responsible for injury have not been identified, this cluster of illnesses represents an emerging clinical syndrome or syndromes. Additional work is needed to characterize the pathophysiology and to identify the definitive causes.

Keywords

vaping caution