Evidence map›Paper›PMID 29943271›Full record

Trial reportClinical research in cardiology : official journal of the German Cardiac Society2019

Long-term effects of device-guided slow breathing in stable heart failure patients with reduced ejection fraction.

Kamila Lachowska, Jerzy Bellwon, Krzysztof Narkiewicz, Marcin Gruchała, Dagmara Hering

Open access · hybridAbstract readRandomized Controlled Trial
In one paragraph

Trial report in Clinical research in cardiology : official journal of the German Cardiac Society, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
3.5field-weighted citation impact, top 9% 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

16 citing papers in PubMed, 25 citations in OpenAlex.

  1. Trial
  2. Eight weeks of device-guided slow breathing decreases sympathetic nervous reactivity to stress in posttraumatic stress disorder.American journal of physiology. Regulatory, integrative and comparative physiology · 2020
    Trial
  3. Review
  4. Effect of breathing exercises on blood pressure and heart rate: A systematic review and meta-analysis.International journal of cardiology. Cardiovascular risk and prevention · 2024
    Article
  5. Article
  6. Review
  7. Article
  8. Article
  9. Article
  10. Article
  11. FIFA World Cup 2018: effect of emotional stress on conventional heart rate variability metrics.Clinical research in cardiology : official journal of the German Cardiac Society · 2020
    Article
  12. Article
  13. Review
  14. Heart rate and blood pressure monitoring in heart failure.European heart journal supplements : journal of the European Society of Cardiology · 2019
    Article
  15. Article
  16. 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

5 authors at 1 institution in 1 country.

Kamila Lachowska1st Department of Cardiology, Medical University of Gdansk, Gdańsk, Poland.
Jerzy Bellwon1st Department of Cardiology, Medical University of Gdansk, Gdańsk, Poland.
Krzysztof NarkiewiczDepartment of Hypertension and Diabetology, Medical University of Gdansk, Debinki 7c, 80-952, Gdańsk, Poland.
Marcin Gruchała1st Department of Cardiology, Medical University of Gdansk, Gdańsk, Poland.
Dagmara Hering1st Department of Cardiology, Medical University of Gdansk, Gdańsk, Poland. hering@gumed.edu.pl.
Gdańsk Medical University · PL

Funding

European Society of Hypertension 01/2007Medical Unversity of Gdansk, Poland ST-85/2015
6 · The paper itself

Abstract

backgroundSlow breathing (SLOWB) alleviates symptoms of chronic heart failure (HF) but its long-term effects are unknown. We examined the acute and long-term impact of device-guided breathing on hemodynamics and prognostic parameters in HF patients with reduced ejection fraction (HFrEF). METHODS AND

resultsTwenty-one patients with HFrEF (23.9 ± 5.8%, SD ± mean) on optimal medical therapy underwent blood pressure (BP), heart rate (HR), HR variability, 6-min walk test (6MWT), cardiopulmonary exercise testing (CPET), and echocardiography measurements before and 3 months after SLOWB home training (30 min daily). After 3 months, all patients were assigned to continue SLOWB (Group 1) or no-SLOWB (Group 2). All tests were repeated after 6 months. Acute SLOWB (18 ± 5 vs 8 ± 2 breaths/min, P < 0.001) had no influence on BP and HR but improved saturation (97 ± 2 vs 98 ± 2%, P = 0.01). Long-term SLOWB reduced office systolic BP (P < 0.001) but not central or ambulatory systolic BP. SLOWB reduced SDNN/RMSSD ratio (P < 0.05) after 3 months. One-way repeated measures of ANOVA revealed a significant increase in 6MWT and peak RER (respiratory exchange ratio) from baseline to 6-month follow-up in group 1 (P < 0.05) but not group 2 (P = 0.85 for 6MWT, P = 0.69 for RER). No significant changes in echocardiography were noted at follow-up. No HF worsening, rehospitalisation or death occurred in group 1 out to 6-month follow-up. Two hospitalizations for HF decompensation and two deaths ensued in group 2 between 3- and 6-month follow-up.

conclusionsSLOWB training improves cardiorespiratory capacity and appears to slow the progression of HFrEF. Further long-term outcome studies are required to confirm the benefits of paced breathing in HFrEF.

Indexed as

Blood PressureBreathing ExercisesEchocardiographyFemaleHeart FailureHeart RateHeart VentriclesHumansMaleMiddle AgedPrognosisProspective StudiesStroke VolumeTreatment OutcomeVentricular Function, Left6-Min walk testFunctional capacityHeart failure with reduced ejection fractionHeart rate variabilityHemodynamicsSlow breathing

Identifiers

PMID29943271
PMCPMC6333716
OpenAlexW2810734236

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.