Abstract Background Few interventions are known to reduce the incidence of respiratory failure that occurs following elective surgery (postoperative respiratory failure; PRF). We previously reported risk factors associated with PRF that occurs within the first 5 days after elective surgery (early PRF; E-PRF); however, PRF that occurs six or more days after elective surgery (late PRF; L-PRF) likely represents a different entity. We hypothesized that L-PRF would be associated with worse outcomes and different risk factors than E-PRF. Methods This was a retrospective matched case-control study of 59,073 consecutive adult patients admitted for elective non-cardiac and non-pulmonary surgical procedures at one of five University of California academic medical centers between October 2012 and September 2015. We identified patients with L-PRF, confirmed by surgeon and intensivist subject matter expert review, and matched them 1:1 to patients who did not develop PRF (No-PRF) based on hospital, age, and surgical procedure. We then analyzed risk factors and outcomes associated with L-PRF compared to E-PRF and No-PRF. Results Among 95 patients with L-PRF, 50.5% were female, 71.6% white, 27.4% Hispanic, and 53.7% Medicare recipients; the median age was 63 years (IQR 56, 70). Compared to 95 matched patients with No-PRF and 319 patients who developed E-PRF, L-PRF was associated with higher morbidity and mortality, longer hospital and intensive care unit length of stay, and increased costs. Compared to No-PRF, factors associated with L-PRF included: preexisiting neurologic disease (OR 4.36, 95% CI 1.81–10.46), anesthesia duration per hour (OR 1.22, 95% CI 1.04–1.44), and maximum intraoperative peak inspiratory pressure per cm H 2 0 (OR 1.14, 95% CI 1.06–1.22). Conclusions We identified that pre-existing neurologic disease, longer duration of anesthesia, and greater maximum intraoperative peak inspiratory pressures were associated with respiratory failure that developed six or more days after elective surgery in adult patients (L-PRF). Interventions targeting these factors may be worthy of future evaluation. 
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                            Adjuvant Intralesional Bevacizumab in Pediatric and Adult Populations With Recurrent Respiratory Papillomatosis: A Systematic Review
                        
                    
    
            Objective:Recurrent respiratory papillomatosis (RRP) is a rare disease of the airway for which there is no known cure. Treatment involves the surgical removal or destruction of these lesions. There has been a long-standing debate over the effectiveness of the adjuvant intralesional injection of the immune modifying agent bevacizumab. This study is a systematic review investigating the effect of adjuvant intralesional bevacizumab on patients with laryngeal papillomatosis. The main objective was to assess functional outcomes and efficacy. Data Sources:Pubmed, Google Scholar, and Web of Science. Review Methods:Search words were “intralesional bevacizumab” AND “recurrent respiratory papillomatosis.” Sources were systematically identified using inclusion and exclusion criteria (ie, study publication must post-date 2000, must be peer-reviewed, investigate patients with RRP, apply bevacizumab intralesionally, not systemically). Findings were then collected and analyzed. Results:Ten studies were included for analysis. The majority of these studies found an increase in the surgical interval, voice outcomes, and a decrease in tumor burden in most patients. No studies reported side effects or lasting complications related to the bevacizumab injection. Conclusion:This systematic review provides further evidence for the safety of intralesional bevacizumab injections and their likely positive effect on disease control. Future research would benefit from the implementation of standardized documentation of RRP outcomes. 
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                            - Award ID(s):
- 2152254
- PAR ID:
- 10609475
- Publisher / Repository:
- PubMed
- Date Published:
- Journal Name:
- Annals of Otology, Rhinology & Laryngology
- Volume:
- 133
- Issue:
- 10
- ISSN:
- 0003-4894
- Page Range / eLocation ID:
- 841 to 847
- Format(s):
- Medium: X
- Sponsoring Org:
- National Science Foundation
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