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  1. Article ; Online: Molecular mechanisms of action of negative pressure wound therapy: a systematic review.

    Ravindhran, Bharadhwaj / Schafer, Nicole / Howitt, Annabel / Carradice, Daniel / Smith, George / Chetter, Ian

    Expert reviews in molecular medicine

    2023  Volume 25, Page(s) e29

    Abstract: Negative pressure wound therapy (NPWT) has significantly advanced wound care and continues to find new applications. Its effects at a molecular level however, remain a subject of debate. The aim of this systematic review is to summarize the current ... ...

    Abstract Negative pressure wound therapy (NPWT) has significantly advanced wound care and continues to find new applications. Its effects at a molecular level however, remain a subject of debate. The aim of this systematic review is to summarize the current evidence regarding the molecular mechanisms of action of NPWT. Medline, Embase, EBSCO databases and clinical trial registries were searched from inception to January 2023. Clinical studies, animal models or in-vitro studies that quantitatively or semi-quantitatively evaluated the influence of NPWT on growth factors, cytokine or gene-expression in the circulation or wound-bed were included. Risk of Bias assessment was performed using the RoBANS tool for non-randomized studies, the COCHRANE's Risk of Bias 2(ROB-2) tool for randomized clinical studies, OHAT tool for in-vitro studies or the SYRCLE tool for animal model studies. A descriptive summary was collated and the aggregated data is presented as a narrative synthesis. This review included 19 clinical studies, 11 animal studies and 3 in-vitro studies. The effects of NPWT on 43 biomarkers and 17 gene expressions were studied across included studies. NPWT stimulates modulation of numerous local and circulating cytokines and growth factor expressions to promote an anti-inflammatory profile. This is most likely achieved by downregulation of TNF
    MeSH term(s) Animals ; Negative-Pressure Wound Therapy ; Wound Healing/genetics ; Cytokines ; Intercellular Signaling Peptides and Proteins ; Transforming Growth Factor beta
    Chemical Substances Cytokines ; Intercellular Signaling Peptides and Proteins ; Transforming Growth Factor beta
    Language English
    Publishing date 2023-10-19
    Publishing country England
    Document type Systematic Review ; Journal Article ; Review
    ISSN 1462-3994
    ISSN (online) 1462-3994
    DOI 10.1017/erm.2023.24
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: An international consensus for mitigation of the detrimental effects of the COVID-19 pandemic on laparoscopic training.

    Yiasemidou, Marina / Howitt, Annabel / Long, Judith / Sedman, Peter / Garcia-Olmo, Damian / Guadalajara, Hector / Van Cleynenbreugel, Ben / Sharma, Dhananjaya / Biyani, Shekhar Chandra / Patel, Bijendra / Lam, Wayne / Harikrishnan, Athur / Gómez Rivas, Juan / Robinson, Jonathan / Manuel Ribeiro de Oliveira, Tiago / Escalona Vivas, Gabriel / Sanchez-Salas, Rafael / Tourinho-Barbosa, Rafael / Chetter, Ian

    PloS one

    2022  Volume 17, Issue 9, Page(s) e0272446

    Abstract: Aim: Achieve an international consensus on how to recover lost training opportunities. The results of this study will help inform future EAES guidelines about the recovery of surgical training before and after the pandemic.: Background: A global ... ...

    Abstract Aim: Achieve an international consensus on how to recover lost training opportunities. The results of this study will help inform future EAES guidelines about the recovery of surgical training before and after the pandemic.
    Background: A global survey conducted by our team demonstrated significant disruption in surgical training during the COVID-19 pandemic. This was wide-spread and affected all healthcare systems (whether insurance based or funded by public funds) in all participating countries. Thematic analysis revealed the factors perceived by trainees as barriers to training and gave birth to four-point framework of recovery. These are recommendations that can be easily achieved in any country, with minimal resources. Their implementation, however, relies heavily on the active participation and leadership by trainers. Based on the results of the global trainee survey, the authors would like to conduct a Delphi-style survey, addressed to trainers on this occasion, to establish a pragmatic step-by-step approach to improve training during and after the pandemic.
    Methods: This will be a mixed qualitative and quantitative study. Semi-structured interviews will be performed with laparoscopic trainers. These will be transcribed and thematic analysis will be applied. A questionnaire will then be proposed; this will be based on both the results of the semi structured interviews and of the global trainee survey. The questionnaire will then be validated by the steering committee of this group (achieve consensus of >80%). After validation, the questionnaire will be disseminated to trainers across the globe. Participants will be asked to consent to participate in further cycles of the Delphi process until more than 80% agreement is achieved.
    Results: This study will result in a pragmatic framework for continuation of surgical training during and after the pandemic (with special focus on minimally invasive surgery training).
    MeSH term(s) COVID-19/epidemiology ; Consensus ; Delphi Technique ; Humans ; Laparoscopy/education ; Pandemics
    Language English
    Publishing date 2022-09-22
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2267670-3
    ISSN 1932-6203 ; 1932-6203
    ISSN (online) 1932-6203
    ISSN 1932-6203
    DOI 10.1371/journal.pone.0272446
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: The international PIACO study: pattern of surgical approaches for acute surgical pathologies in Spain versus UK. Was conservative treatment and open surgery during COVID-19 the way to go?

    Guadalajara, Hector / Yiasemidou, Marina / Muñoz de Nova, José Luis / Sedman, Peter / Fernandez Gonzalez, Saul / Maslekar, Sushil / Recarte Rico, María / Egan, Richard / Juez, Luz Divina / Riyad, Kallingal / García Septiem, Javier / Lockwood, Sonia / Galindo Jara, Pablo / Giorga, Andrea / García Virosta, Mariana / Hance, Julian / Lobo Martínez, Eduardo / Martín-Pérez, Elena / Howitt, Annabel /
    Jayne, David / Chetter, Ian / García-Olmo, Damian

    BJS open

    2022  Volume 6, Issue 4

    MeSH term(s) COVID-19 ; Conservative Treatment ; Humans ; Spain/epidemiology ; United Kingdom/epidemiology
    Language English
    Publishing date 2022-08-08
    Publishing country England
    Document type Journal Article
    ISSN 2474-9842
    ISSN (online) 2474-9842
    DOI 10.1093/bjsopen/zrac089
    Database MEDical Literature Analysis and Retrieval System OnLINE

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