Evidence map›Paper›PMID 33011144›Full record

ArticleJACC. Cardiovascular interventions2020

Electrosurgical Detachment of MitraClips From the Anterior Mitral Leaflet Prior to Transcatheter Mitral Valve Implantation.

John C Lisko, Adam B Greenbaum, Robert A Guyton, Norihiko Kamioka, Kendra J Grubb, Patrick T Gleason, Isida Byku, Jose F Condado, Andres Jadue, Gaetano Paone and 7 more

Open access · greenAbstract read
In one paragraph

Article in JACC. Cardiovascular interventions, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed, 2 pooled it
4.5field-weighted citation impact, top 4% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

32 citing papers in PubMed, 2 syntheses or guidelines pooled it, 56 citations in OpenAlex.

  1. Guideline
  2. Pooled it
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  6. Article
  7. Article
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  12. Devices and approaches for leaflet modification.JTCVS structural and endovascular · 2024
    Article
  13. Article
  14. Article
  15. Article
  16. Transcatheter Electrosurgery: A Narrative Review.Circulation. Cardiovascular interventions · 2023
    Review
  17. Article
  18. Article
  19. Article
  20. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

17 authors at 2 institutions in 1 country.

John C LiskoDivision of Cardiology, Emory Structural Heart and Valve Center, Emory University Hospital Midtown, Atlanta, Georgia.
Adam B GreenbaumDivision of Cardiology, Emory Structural Heart and Valve Center, Emory University Hospital Midtown, Atlanta, Georgia.
Robert A GuytonDivision of Cardiology, Emory Structural Heart and Valve Center, Emory University Hospital Midtown, Atlanta, Georgia.
Norihiko KamiokaDivision of Cardiology, Emory Structural Heart and Valve Center, Emory University Hospital Midtown, Atlanta, Georgia.
Kendra J GrubbDivision of Cardiology, Emory Structural Heart and Valve Center, Emory University Hospital Midtown, Atlanta, Georgia.
Patrick T GleasonDivision of Cardiology, Emory Structural Heart and Valve Center, Emory University Hospital Midtown, Atlanta, Georgia.
Isida BykuDivision of Cardiology, Emory Structural Heart and Valve Center, Emory University Hospital Midtown, Atlanta, Georgia.
Jose F CondadoDivision of Cardiology, Emory Structural Heart and Valve Center, Emory University Hospital Midtown, Atlanta, Georgia.
Andres JadueDivision of Cardiology, Emory Structural Heart and Valve Center, Emory University Hospital Midtown, Atlanta, Georgia.
Gaetano PaoneDivision of Cardiology, Emory Structural Heart and Valve Center, Emory University Hospital Midtown, Atlanta, Georgia.
Peter C BlockDivision of Cardiology, Emory Structural Heart and Valve Center, Emory University Hospital Midtown, Atlanta, Georgia.
Lucia AlvarezDivision of Cardiology, Emory Structural Heart and Valve Center, Emory University Hospital Midtown, Atlanta, Georgia.
Joe XieDivision of Cardiology, Emory Structural Heart and Valve Center, Emory University Hospital Midtown, Atlanta, Georgia.
Jaffar M KhanCardiovascular Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland.
Toby RogersCardiovascular Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland.
Robert J LedermanCardiovascular Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland.
Vasilis C BabaliarosDivision of Cardiology, Emory Structural Heart and Valve Center, Emory University Hospital Midtown, Atlanta, Georgia. Electronic address: vbabali@emory.edu.
Emory University Hospital Midtown · USNational Institutes of Health · US

Funding

Novel catheter treatment of valve diseaseZIAHL006040 · NHLBI · NATIONAL HEART, LUNG, AND BLOOD INSTITUTE · PI LEDERMAN, ROBERT J · 2010 to 2025
$23.6M
Intramural NIH HHS ZIA HL006040
6 · The paper itself

Abstract

objectivesThe aim of this study was to test the hypothesis that transcatheter electrosurgery might allow intentional detachment of previously placed MitraClip(s) from the anterior leaflet to recreate a single mitral orifice for transcatheter mitral valve implantation (TMVI), leaving the retained MitraClip(s) securely fastened to the posterior leaflet and without interfering with the mitral bioprosthesis.

backgroundPatients with severe mitral regurgitation or stenosis despite edge-to-edge mitral repair with the MitraClip typically have few therapeutic options because the resultant double orifice precludes TMVI. Transcatheter electrosurgery may allow detachment of failed MitraClip(s) from the anterior leaflet to recreate a single orifice for TMVI.

methodsThis was a single-center, 5-patient, consecutive, retrospective observational cohort. Patients underwent transcatheter electrosurgical laceration and stabilization of failed MitraClip(s) to recreate a single orifice, leaving the MitraClip(s) securely fastened to the posterior leaflet. Subsequently, patients underwent TMVI with an investigational device, the Tendyne mitral bioprosthesis, on a compassionate basis. Patients were followed up to 30 days.

resultsMitraClip detachment from the anterior leaflet and Tendyne implantation were successful in all patients. All patients survived to discharge. All patients were discharged with grade 0 central mitral regurgitation. Two patients had moderate perivalvular mitral regurgitation that did not require reintervention. During the follow-up period of 30 days, there were no deaths, cases of valve dysfunction, or reintervention. There was no evidence of erosion or bioprosthetic valve dysfunction attributable to the retained MitraClip(s) still attached to the posterior leaflet.

conclusionsTranscatheter electrosurgical detachment of failed MitraClips from the anterior leaflet followed by TMVI is technically feasible and safe at 30 days. Longer term study is needed to determine the clinical benefit of this approach and new algorithms for TMVI sizing following electrosurgical laceration and stabilization of a failed MitraClip to avoid perivalvular leak.

Indexed as

Heart Valve Prosthesis ImplantationMitral Valve InsufficiencyAgedAged, 80 and overAngiotensin-Converting Enzyme InhibitorsAngiotensin Receptor AntagonistsCardiac CatheterizationElectrosurgeryFemaleHumansMaleMitral ValveRetrospective StudiesStroke VolumeTreatment OutcomeVentricular Function, LeftAngiotensin-Converting Enzyme InhibitorsAngiotensin Receptor AntagonistsMitraClipmitral regurgitationtranscatheter electrosurgerytranscatheter mitral valve implantation

Identifiers

PMID33011144
PMCPMC7584767
OpenAlexW3089529246

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.