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  1. Article: The outcomes of three decades of the David and Yacoub procedures in bicuspid aortic valve patients-a systematic review and meta-analysis.

    Wilson-Smith, Ashley R / Wilson-Smith, Christian J / Strode Smith, Jemilla / Ng, Dominic / Muston, Benjamin T / Eranki, Aditya / Williams, Michael L

    Annals of cardiothoracic surgery

    2023  Volume 12, Issue 4, Page(s) 286–294

    Abstract: Background: Valve-sparing aortic procedures, including the David and Yacoub procedures, have emerged as the dominant approaches in aortic aneurysm surgery, preserving the native aortic valve and thereby conferring significant prognostic benefits to the ... ...

    Abstract Background: Valve-sparing aortic procedures, including the David and Yacoub procedures, have emerged as the dominant approaches in aortic aneurysm surgery, preserving the native aortic valve and thereby conferring significant prognostic benefits to the patient. Over the years, these procedures have also shown promise in patients with bicuspid valve-related aortopathy. This systematic review and meta-analysis presents the most up-to-date data on perioperative outcomes, freedom from secondary reoperation, and freedom from mortality for bicuspid valve patients undergoing valve-sparing aortic operations.
    Methods: The methods for this systematic review and meta-analysis adhered to the Preferred Reporting Items for Systematic Reviews and Meta-analyses statement. Four databases were searched, ultimately yielding 19 papers for inclusion, using appropriate search terminology. Meta-analysis using proportions or means, as appropriate, were applied. Kaplan-Meier curves were digitized and aggregated using previously validated techniques.
    Results: A total of 1,159 patients were included. Males accounted for 87.4% of the cohort. The mean age of the cohort was 44.9 years. The mean aortic root diameter was estimated to be 46.3 mm, with an estimated range from 38 to 54 mm. Thirty-day mortality rate was estimated to be 1.7%. Eighty-five percent of patients in this series received the David approach, with the remainder receiving the Yacoub approach. Overall, there was low heterogeneity observed for the mean length of intensive care stay, while high heterogeneity was observed for the other remaining variables of interest. Kaplan-Meier survival estimation at 5, 10, and 15 years was 96%, 90%, and 87%, respectively. Kaplan-Meier freedom from secondary reoperation at 5, 10, and 15 years was 96%, 91%, and 88%, respectively.
    Conclusions: This review demonstrates the durability and safety of the David and Yacoub valve-sparing procedures across long-term follow-up in bicuspid aortic valve patients. These procedures offer significant freedom from mortality and secondary reoperations on the aorta and valve and will likely continue to demonstrate excellent results into the future. There is a clear transition towards the David procedure, with the bulk of contemporary literature publishing on this technique.
    Language English
    Publishing date 2023-07-28
    Publishing country China
    Document type Journal Article ; Review
    ZDB-ID 2713627-9
    ISSN 2304-1021 ; 2225-319X
    ISSN (online) 2304-1021
    ISSN 2225-319X
    DOI 10.21037/acs-2023-avs2-19
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: The outcomes of concomitant catheter ablation in non-mitral valve cardiac surgery-a systematic review and meta-analysis of the literature.

    Wilson-Smith, Ashley R / Wilson-Smith, Christian J / Smith, Jemilla Strode / Ng, Dominic / Muston, Benjamin T / Eranki, Aditya / Williams, Michael L / Ussher, Nathan / Gupta, Aashray K

    Annals of cardiothoracic surgery

    2024  Volume 13, Issue 2, Page(s) 108–116

    Abstract: Background: Atrial fibrillation (AF) is the most common form of cardiac arrythmia, with a key importance in the perioperative setting of cardiac surgery. In recent years, the question as to whether pre-existent AF should be treated concomitantly when ... ...

    Abstract Background: Atrial fibrillation (AF) is the most common form of cardiac arrythmia, with a key importance in the perioperative setting of cardiac surgery. In recent years, the question as to whether pre-existent AF should be treated concomitantly when undergoing cardiac surgery has been heatedly debated. This systematic review and meta-analysis sought to delineate the outcomes of patients undergoing concomitant AF ablation procedures alongside cardiac surgery.
    Methods: The methods for this systematic review and meta-analysis adhered to the Preferred Reporting Items for Systematic Reviews and Meta-analyses statement. Four databases were searched, ultimately yielding 22 papers for inclusion, using appropriate search terminology. Meta-analysis using proportions or means, as appropriate, were applied. Kaplan-Meier curves were digitized and aggregated using previously reported and validated techniques.
    Results: A total of 9,428 patients (67% male) were identified across the study period as having received non-mitral cardiac surgery and concomitant AF ablation procedures. On actuarial assessment, freedom from AF was found to be 93%, 88%, 85%, 82%, and 79% at 1 through to 5 years, respectively. Freedom from mortality was found to be 94%, 93%, 91%, 90%, and 87% at 1 through to 5 years, respectively.
    Conclusions: This review demonstrated excellent freedom from AF out to a long-term follow-up of 5 years. Freedom from mortality was also encouraging. Emerging data are increasingly illustrating that in this patient cohort, concurrent treatment of pre-existent AF with cardiac and/or valvular disease at the point of operation should be the standard of care. Robust data in the form of randomized control trials will hopefully solidify this assertion.
    Language English
    Publishing date 2024-02-27
    Publishing country China
    Document type Journal Article
    ZDB-ID 2713627-9
    ISSN 2304-1021 ; 2225-319X
    ISSN (online) 2304-1021
    ISSN 2225-319X
    DOI 10.21037/acs-2023-afm-17
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: The learning curve of the robotic-assisted lobectomy-a systematic review and meta-analysis.

    Wilson-Smith, Ashley R / Anning, Naomi / Muston, Benjamin / Eranki, Aditya / Williams, Michael L / Wilson-Smith, Christian J / Rivas, Diego G / Yan, Tristan D

    Annals of cardiothoracic surgery

    2023  Volume 12, Issue 1, Page(s) 1–8

    Abstract: Background: Early studies have illustrated the robotic lobectomy to be safe, oncologically effective, and economically feasible as a therapeutic modality in the treatment of thoracic malignancies. The 'challenging' learning curve seemingly associated ... ...

    Abstract Background: Early studies have illustrated the robotic lobectomy to be safe, oncologically effective, and economically feasible as a therapeutic modality in the treatment of thoracic malignancies. The 'challenging' learning curve seemingly associated with the robotic approach, however, continues to be an often-cited factor to its ongoing uptake, with the overwhelming volume of these surgeries being performed in centers of excellence where extensive experience with minimal access surgery is the norm. An exact quantification of this learning curve challenge, however, has not been made, begging the question of whether this is an outdated assumption, versus fact. This systematic review and meta-analysis sort to clarify the learning curve for robotic-assisted lobectomy based on the existing literature.
    Methods: An electronic search of four databases was performed to identify relevant studies outlining the learning curve of robotic lobectomy. The primary endpoint was a clear definition of operator learning (e.g., cumulative sum chart, linear regression, outcome-specific analysis, etc.) which could be subsequently aggregated or reported. Secondary endpoints of interest included post-operative outcomes and complication rates. A meta-analysis using a random effects model of proportions or means was applied, as appropriate.
    Results: The search strategy identified twenty-two studies relevant for inclusion. A total of 3,246 patients (30% male) receiving robotic-assisted thoracic surgery (RATS) were identified. The mean age of the cohort was 65.3±5.0 years. Mean operative, console and dock time was 190.5±53.8, 125.8±33.9 and 10.2±4.0 minutes, respectively. Length of hospital stay was 6.1±4.6 days. Technical proficiency with the robotic-assisted lobectomy was achieved at a mean of 25.3±12.6 cases.
    Conclusions: The robotic-assisted lobectomy has been illustrated to have a reasonable learning curve profile based on the existing literature. Current evidence on the oncologic efficacy and purported benefits of the robotic approach will be bolstered by the results of upcoming randomized trials, which will be critical in supporting RATS uptake.
    Language English
    Publishing date 2023-01-14
    Publishing country China
    Document type Journal Article
    ZDB-ID 2713627-9
    ISSN 2304-1021 ; 2225-319X
    ISSN (online) 2304-1021
    ISSN 2225-319X
    DOI 10.21037/acs-2022-urats-14
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: The perioperative outcomes of uniportal robotic-assisted thoracic surgeries-a systematic review and meta-analysis of surgical cohort studies and case reports.

    Wilson-Smith, Ashley R / Wilson-Smith, Christian J / Anning, Naomi / Muston, Benjamin / Eranki, Aditya / Williams, Michael L / Gonzalez-Rivas, Diego / Yan, Tristan D / Ephraums, James

    Annals of cardiothoracic surgery

    2023  Volume 12, Issue 2, Page(s) 73–81

    Abstract: Background: Early results have illustrated the multiportal robotic approach to be safe and oncologically efficacious in the treatment of thoracic malignancies. Industry leaders have improved upon the lessons learned during the early multiportal studies ... ...

    Abstract Background: Early results have illustrated the multiportal robotic approach to be safe and oncologically efficacious in the treatment of thoracic malignancies. Industry leaders have improved upon the lessons learned during the early multiportal studies and have now come to establish the feasibility of the biportal, and subsequently the uniportal robotic-assisted approach, all in an effort to offer patients equivalent or better outcomes with less surgical trauma. No current, coherent body of evidence currently exists outlining the early-term outcomes of patients undergoing uniportal robotic-assisted thoracic surgery. This systematic review and meta-analysis sought to clarify the early-phase outcomes of these patients.
    Methods: An electronic search of four databases was performed to identify relevant studies outlining the immediate post-operative outcomes of patients undergoing uniportal robotic-assisted thoracic surgeries. The primary endpoint was defined as technical success (i.e., no conversion to secondary robotic, video-assisted thoracoscopic, or open approaches). Secondary endpoints of interest included post-operative outcomes and complication rates. A meta-analysis using a random effects model of proportions or means was applied, as appropriate.
    Results: The search strategy ultimately yielded 12 relevant studies for inclusion. A total of 240 patients (52% male) split across cohort studies and case reports were identified. The mean age of the two groups was 59.7±3.0 and 58.1±6.8 years, respectively. The mean operative time was 133.8±38.2 and 150.0±52.2 minutes, respectively. Length of hospital stay was 4.4±1.6 and 4.3±1.1 days, respectively. The mean blood loss was 80.0±25.1 mL The majority of identified procedures were lobectomies, segmentectomies, and wedge resections, though complex sleeve resections and anterior mediastinal mass resections were also completed. Cumulative technical success was 99.9%.
    Conclusions: The uniportal robotic-assisted approach, when completed in expert hands, has been illustrated to have exceedingly low rates of conversion to secondary procedures, along with short length of stay (LOS), minimal blood loss, and short procedural times (variable depending on operation type). Current evidence on the feasibility of this approach will be bolstered by upcoming multi-institutional series.
    Language English
    Publishing date 2023-03-30
    Publishing country China
    Document type Journal Article
    ZDB-ID 2713627-9
    ISSN 2304-1021 ; 2225-319X
    ISSN (online) 2304-1021
    ISSN 2225-319X
    DOI 10.21037/acs-2023-urats-37
    Database MEDical Literature Analysis and Retrieval System OnLINE

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