Evidence map›Paper›PMID 33055057›Full record

ArticleJMIR mHealth and uHealth2020

Fitness-Tracker Assisted Frailty-Assessment Before Transcatheter Aortic Valve Implantation: Proof-of-Concept Study.

Markus Mach, Victoria Watzal, Waseem Hasan, Martin Andreas, Bernhard Winkler, Gabriel Weiss, Andreas Strouhal, Christopher Adlbrecht, Georg Delle Karth, Martin Grabenwöger

Abstract read
In one paragraph

Article in JMIR mHealth and uHealth, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

7 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Review
  3. Article
  4. Review
  5. Review
  6. Observational
  7. The future is not just a 6-minute walk test.European heart journal. Digital health · 2021
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Markus MachDivision of Cardiac Surgery, Department of Surgery, Medical University of Vienna, Vienna, Austria.ORCID 0000-0002-3184-4914
Victoria WatzalDepartment of Cardio-Vascular Surgery, Hospital Hietzing and Karl Landsteiner Institute for Cardio-Vascular Research, Vienna, Austria.ORCID 0000-0002-7252-7130
Waseem HasanFaculty of Medicine, Imperial College London, London, United Kingdom.ORCID 0000-0002-4740-0197
Martin AndreasDivision of Cardiac Surgery, Department of Surgery, Medical University of Vienna, Vienna, Austria.ORCID 0000-0003-4950-5432
Bernhard WinklerDepartment of Cardio-Vascular Surgery, Hospital Hietzing and Karl Landsteiner Institute for Cardio-Vascular Research, Vienna, Austria.ORCID 0000-0003-1065-027X
Gabriel WeissDepartment of Cardio-Vascular Surgery, Hospital Hietzing and Karl Landsteiner Institute for Cardio-Vascular Research, Vienna, Austria.ORCID 0000-0003-4955-2714
Andreas StrouhalDepartment of Cardiology, Vienna North Hospital - Clinic Floridsdorf and Karl Landsteiner Institute for Cardiovascular and Critical Care Research, Vienna, Austria.ORCID 0000-0001-7019-8575
Christopher AdlbrechtDepartment of Cardiology, Vienna North Hospital - Clinic Floridsdorf and Karl Landsteiner Institute for Cardiovascular and Critical Care Research, Vienna, Austria.ORCID 0000-0003-3743-3881
Georg Delle KarthDepartment of Cardiology, Vienna North Hospital - Clinic Floridsdorf and Karl Landsteiner Institute for Cardiovascular and Critical Care Research, Vienna, Austria.ORCID 0000-0002-1299-5338
Martin GrabenwögerDepartment of Cardio-Vascular Surgery, Hospital Hietzing and Karl Landsteiner Institute for Cardio-Vascular Research, Vienna, Austria.ORCID 0000-0001-7299-2801

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundWhile transcatheter aortic valve replacement (TAVR) has revolutionized the treatment of aortic valve stenosis, wearable health-monitoring devices are gradually transforming digital patient care.

objectiveThe aim of this study was to develop a simple, efficient, and economical method for preprocedural frailty assessment based on parameters measured by a wearable health-monitoring device.

methodsIn this prospective study, we analyzed data of 50 consecutive patients with mean (SD) age of 77.5 (5.1) years and a median (IQR) European system for cardiac operative risk evaluation (EuroSCORE) II of 3.3 (4.1) undergoing either transfemoral or transapical TAVR between 2017 and 2018. Every patient was fitted with a wrist-worn health-monitoring device (Garmin Vivosmart 3) for 1 week prior to the procedure. Twenty different parameters were measured, and threshold levels for the 3 most predictive categories (ie, step count, heart rate, and preprocedural stress) were calculated. Patients were assigned 1 point per category for exceeding the cut-off value and were then classified into 4 stages (no, borderline, moderate, and severe frailty). Furthermore, the FItness-tracker assisted Frailty-Assessment Score (FIFA score) was compared with the scores of the preprocedural gait speed category derived from the 6-minute walk test (GSC-6MWT) and the Edmonton Frail Scale classification (EFS-C). The primary study endpoint was hospital mortality.

resultsThe overall preprocedural stress level (P=.02), minutes of high stress per day (P=.02), minutes of rest per day (P=.045), and daily heart rate maximum (P=.048) as single parameters were the strongest predictors of hospital mortality. When comparing the different frailty scores, the FIFA score demonstrated the greatest predictive power for hospital mortality (FIFA area under the curve [AUC] 0.844, CI 0.656-1.000; P=.048; GSC-6MWT AUC 0.671, CI 0.487-0.855; P=.42; EFS-C AUC 0.636, CI 0.254-1.000; P=.44).

conclusionsThis proof-of-concept study demonstrates the strong predictive performance of the FIFA score compared to that of the conventional frailty assessments.

Indexed as

FrailtyTranscatheter Aortic Valve ReplacementAgedHumansProspective StudiesRisk AssessmentRisk FactorsTreatment Outcomeactivityfitnessfrailtytrackertranscatheter aortic valve implantationtranscatheter aortic valve repair

Identifiers

PMID33055057
PMCPMC7596652

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Registered trials

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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.