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Yathavan B, Chhibber T, Steinhauff D, Pulsipher A, Alt JA, Ghandehari H, Jafari P. Matrix-Mediated Delivery of Silver Nanoparticles for Prevention of Staphylococcus aureus and Pseudomonas aeruginosa Biofilm Formation in Chronic Rhinosinusitis. Pharmaceutics 2023; 15:2426. [PMID: 37896186 PMCID: PMC10610389 DOI: 10.3390/pharmaceutics15102426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 09/29/2023] [Accepted: 09/30/2023] [Indexed: 10/29/2023] Open
Abstract
Chronic rhinosinusitis (CRS) is a chronic health condition affecting the sinonasal cavity. CRS-associated mucosal inflammation leads to sinonasal epithelial cell death and epithelial cell barrier disruption, which may result in recurrent bacterial infections and biofilm formation. For patients who fail medical management and elect endoscopic sinus surgery for disease control, bacterial biofilm formation is particularly detrimental, as it reduces the efficacy of surgical intervention. Effective treatments that prevent biofilm formation in post-operative patients in CRS are currently limited. To address this unmet need, we report the controlled release of silver nanoparticles (AgNps) with silk-elastinlike protein-based polymers (SELPs) to prevent bacterial biofilm formation in CRS. This polymeric network is liquid at room temperature and forms a hydrogel at body temperature, and is hence, capable of conforming to the sinonasal cavity upon administration. SELP hydrogels demonstrated sustained AgNp and silver ion release for the studied period of three days, potent in vitro antibacterial activity against Pseudomonas aeruginosa (**** p < 0.0001) and Staphylococcus aureus (**** p < 0.0001), two of the most commonly virulent bacterial strains observed in patients with post-operative CRS, and high cytocompatibility with human nasal epithelial cells. Antibacterial controlled release platform shows promise for treating patients suffering from prolonged sinonasal cavity infections due to biofilms.
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Affiliation(s)
- Bhuvanesh Yathavan
- Department of Molecular Pharmaceutics, University of Utah, Salt Lake City, UT 84112, USA; (B.Y.); (T.C.); (A.P.); (J.A.A.); (H.G.)
- Utah Center for Nanomedicine, University of Utah, Salt Lake City, UT 84112, USA;
| | - Tanya Chhibber
- Department of Molecular Pharmaceutics, University of Utah, Salt Lake City, UT 84112, USA; (B.Y.); (T.C.); (A.P.); (J.A.A.); (H.G.)
- Utah Center for Nanomedicine, University of Utah, Salt Lake City, UT 84112, USA;
| | - Douglas Steinhauff
- Utah Center for Nanomedicine, University of Utah, Salt Lake City, UT 84112, USA;
- Department of Biomedical Engineering, University of Utah, Salt Lake City, UT 84112, USA
| | - Abigail Pulsipher
- Department of Molecular Pharmaceutics, University of Utah, Salt Lake City, UT 84112, USA; (B.Y.); (T.C.); (A.P.); (J.A.A.); (H.G.)
- Utah Center for Nanomedicine, University of Utah, Salt Lake City, UT 84112, USA;
- Department of Otolaryngology—Head and Neck Surgery, University of Utah School of Medicine, Salt Lake City, UT 84132, USA
| | - Jeremiah A. Alt
- Department of Molecular Pharmaceutics, University of Utah, Salt Lake City, UT 84112, USA; (B.Y.); (T.C.); (A.P.); (J.A.A.); (H.G.)
- Utah Center for Nanomedicine, University of Utah, Salt Lake City, UT 84112, USA;
- Department of Biomedical Engineering, University of Utah, Salt Lake City, UT 84112, USA
- Department of Otolaryngology—Head and Neck Surgery, University of Utah School of Medicine, Salt Lake City, UT 84132, USA
| | - Hamidreza Ghandehari
- Department of Molecular Pharmaceutics, University of Utah, Salt Lake City, UT 84112, USA; (B.Y.); (T.C.); (A.P.); (J.A.A.); (H.G.)
- Utah Center for Nanomedicine, University of Utah, Salt Lake City, UT 84112, USA;
- Department of Biomedical Engineering, University of Utah, Salt Lake City, UT 84112, USA
- Department of Otolaryngology—Head and Neck Surgery, University of Utah School of Medicine, Salt Lake City, UT 84132, USA
| | - Paris Jafari
- Department of Molecular Pharmaceutics, University of Utah, Salt Lake City, UT 84112, USA; (B.Y.); (T.C.); (A.P.); (J.A.A.); (H.G.)
- Utah Center for Nanomedicine, University of Utah, Salt Lake City, UT 84112, USA;
- Center for Integrative Genomics, University of Lausanne, 1015 Lausanne, Switzerland
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Li SA, Yousefi-Nooraie R, Guyatt G, Talwar G, Wang Q, Zhu Y, Hozo I, Djulbegovic B. A few panel members dominated guideline development meeting discussions: Social network analysis. J Clin Epidemiol 2021; 141:1-10. [PMID: 34555427 DOI: 10.1016/j.jclinepi.2021.09.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 09/05/2021] [Accepted: 09/15/2021] [Indexed: 02/07/2023]
Abstract
OBJECTIVES To identify patterns of interactions that may influence guideline panels' decision-making. STUDY DESIGN AND SETTING Social network analysis (SNA) to describe the conversation network in a guideline development meeting in United States. RESULTS We analyzed one two-day guideline panel meeting that included 20 members who developed a guideline using the GRADE (Grading of Recommendations Assessment, Development and Evaluation) approach. The conversation pattern of the guideline panel indicated a well-connected network (density=0.59, clustering coefficient=0.82). GRADE topics on quality of evidence and benefits versus harms accounted for 46%; non-GRADE factors accounted for 30% of discussion. The chair, co-chair and methodologist initiated 53% and received 60% of all communications in the meeting; 42% of their communications occurred among themselves. SNA metrics (eigenvector, betweenness and closeness) indicated that these individuals also exerted highest influence on discussion, controlled information flow and were at the center of all communications. Members were more likely to continue previous discussion with the same individuals after both morning breaks (r=0.54, P<0.005; r=0.17, P=0.04), and after the last break on day 2 (r=0.44, P=0.015). CONCLUSION Non-GRADE factors such as breaks, and the members' roles, affect guideline development more than previously recognized. Collectively, the chair, co-chair and methodologist dominated the discussion.
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Affiliation(s)
- Shelly-Anne Li
- Lawrence S. Bloomberg Faculty of Nursing, University of Toronto, Ontario, Canada.
| | | | - Gordon Guyatt
- Department of Health Research Methods, Evidence and Impact, Faculty of Health Sciences, McMaster University, Ontario, Canada
| | - Gaurav Talwar
- Michael G DeGroote School of Medicine, McMaster University, Ontario, Canada
| | - Qi Wang
- Department of Health Research Methods, Evidence and Impact, Faculty of Health Sciences, McMaster University, Ontario, Canada
| | - Ying Zhu
- Department of Health Research Methods, Evidence and Impact, Faculty of Health Sciences, McMaster University, Ontario, Canada
| | - Iztok Hozo
- Department of Mathematics, Indiana University, IN, USA
| | - Benjamin Djulbegovic
- Department of Computational & Quantitative Medicine, Beckman Research Institute, City of Hope, Duarte, CA, USA
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Orlandi RR, Kingdom TT, Smith TL, Bleier B, DeConde A, Luong AU, Poetker DM, Soler Z, Welch KC, Wise SK, Adappa N, Alt JA, Anselmo-Lima WT, Bachert C, Baroody FM, Batra PS, Bernal-Sprekelsen M, Beswick D, Bhattacharyya N, Chandra RK, Chang EH, Chiu A, Chowdhury N, Citardi MJ, Cohen NA, Conley DB, DelGaudio J, Desrosiers M, Douglas R, Eloy JA, Fokkens WJ, Gray ST, Gudis DA, Hamilos DL, Han JK, Harvey R, Hellings P, Holbrook EH, Hopkins C, Hwang P, Javer AR, Jiang RS, Kennedy D, Kern R, Laidlaw T, Lal D, Lane A, Lee HM, Lee JT, Levy JM, Lin SY, Lund V, McMains KC, Metson R, Mullol J, Naclerio R, Oakley G, Otori N, Palmer JN, Parikh SR, Passali D, Patel Z, Peters A, Philpott C, Psaltis AJ, Ramakrishnan VR, Ramanathan M, Roh HJ, Rudmik L, Sacks R, Schlosser RJ, Sedaghat AR, Senior BA, Sindwani R, Smith K, Snidvongs K, Stewart M, Suh JD, Tan BK, Turner JH, van Drunen CM, Voegels R, Wang DY, Woodworth BA, Wormald PJ, Wright ED, Yan C, Zhang L, Zhou B. International consensus statement on allergy and rhinology: rhinosinusitis 2021. Int Forum Allergy Rhinol 2021; 11:213-739. [PMID: 33236525 DOI: 10.1002/alr.22741] [Citation(s) in RCA: 408] [Impact Index Per Article: 136.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 11/09/2020] [Indexed: 02/06/2023]
Abstract
I. EXECUTIVE SUMMARY BACKGROUND: The 5 years since the publication of the first International Consensus Statement on Allergy and Rhinology: Rhinosinusitis (ICAR-RS) has witnessed foundational progress in our understanding and treatment of rhinologic disease. These advances are reflected within the more than 40 new topics covered within the ICAR-RS-2021 as well as updates to the original 140 topics. This executive summary consolidates the evidence-based findings of the document. METHODS ICAR-RS presents over 180 topics in the forms of evidence-based reviews with recommendations (EBRRs), evidence-based reviews, and literature reviews. The highest grade structured recommendations of the EBRR sections are summarized in this executive summary. RESULTS ICAR-RS-2021 covers 22 topics regarding the medical management of RS, which are grade A/B and are presented in the executive summary. Additionally, 4 topics regarding the surgical management of RS are grade A/B and are presented in the executive summary. Finally, a comprehensive evidence-based management algorithm is provided. CONCLUSION This ICAR-RS-2021 executive summary provides a compilation of the evidence-based recommendations for medical and surgical treatment of the most common forms of RS.
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Affiliation(s)
| | | | | | | | | | - Amber U Luong
- University of Texas Medical School at Houston, Houston, TX
| | | | - Zachary Soler
- Medical University of South Carolina, Charleston, SC
| | - Kevin C Welch
- Feinberg School of Medicine, Northwestern University, Chicago, IL
| | | | | | | | | | - Claus Bachert
- Ghent University, Ghent, Belgium.,Karolinska Institute, Stockholm, Sweden.,Sun Yatsen University, Gangzhou, China
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - David A Gudis
- Columbia University Irving Medical Center, New York, NY
| | - Daniel L Hamilos
- Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | | | - Richard Harvey
- University of New South Wales and Macquarie University, Sydney, New South Wales, Australia
| | | | | | | | | | - Amin R Javer
- University of British Columbia, Vancouver, British Columbia, Canada
| | | | | | | | | | | | | | | | | | | | | | - Valerie Lund
- Royal National Throat Nose and Ear Hospital, UCLH, London, UK
| | - Kevin C McMains
- Uniformed Services University of Health Sciences, San Antonio, TX
| | | | - Joaquim Mullol
- IDIBAPS Hospital Clinic, University of Barcelona, Barcelona, Spain
| | | | | | | | | | | | | | | | | | | | - Alkis J Psaltis
- University of Adelaide, Adelaide, South Australia, Australia
| | | | | | | | - Luke Rudmik
- University of Calgary, Calgary, Alberta, Canada
| | - Raymond Sacks
- University of New South Wales, Sydney, New South Wales, Australia
| | | | | | | | | | | | | | | | | | | | | | | | | | - De Yun Wang
- National University of Singapore, Singapore, Singapore
| | | | | | | | - Carol Yan
- University of California San Diego, La Jolla, CA
| | - Luo Zhang
- Capital Medical University, Beijing, China
| | - Bing Zhou
- Capital Medical University, Beijing, China
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