The Relationship Between Narrowing Of The QRS Duration And Improvement In The 6-Minute Walking Distance After Cardiac Resynchronization Theraphy
Objective: Cardiac resynchronization therapy has been proved to be effective in patients suffering from reduced ejection fraction heart failure related to electrical dyssynchrony. The aim of this study was to investigate the relationship among narrowing of the QRS duration after cardiac resynchroniz...
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| Format: | Article |
| Language: | English |
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Hitit University
2021-02-01
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| Series: | Hitit Medical Journal |
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| Online Access: | https://dergipark.org.tr/tr/download/article-file/1341732 |
| _version_ | 1827292497125048320 |
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| author | Mert Evlıce Mustafa Akcakoyun |
| author_facet | Mert Evlıce Mustafa Akcakoyun |
| author_sort | Mert Evlıce |
| collection | DOAJ |
| description | Objective: Cardiac resynchronization therapy has been proved to be effective in patients suffering from reduced ejection fraction heart failure related to electrical dyssynchrony. The aim of this study was to investigate the relationship among narrowing of the QRS duration after cardiac resynchronization therapy and the evaluation of functional capacity by 6-minute walking test.Material and Method: A total of 39 symptomatic (NYHA class II-IV) patients (24 females, 19 males) with chronic heart failure (38% ischemic, 62% non-ischemic) who had left ventricle ejection fraction ≤ 35% were included into the study.Results: The evaluation after cardiac resynchronization therapy revealed statistically significant decrease in QRS duration (153.62 ± 8.49 vs. 131.44 ± 9.86 msec, p lt; 0.001) and increase in 6-minute walking distance (247.77 ± 52.93 vs. 361.15 ± 66.17 m, p lt; 0.001) compared to before cardiac resynchronization therapy. It was detected moderate negative correlation (r = -0.52, p lt; 0.001) between narrowing of the QRS duration and 6-minute walking distance after cardiac resynchronization therapy.Conclusion: In patients with reduced ejection fraction heart failure and cardiac resynchronization therapy, our study has shown that increase in narrowing QRS duration after cardiac resynchronization therapy implantation is associated with development in 6-minute walking distance. |
| first_indexed | 2024-03-11T15:44:33Z |
| format | Article |
| id | doaj.art-d7ce2e1ab49543959bdad246a2554044 |
| institution | Directory Open Access Journal |
| issn | 2687-4717 |
| language | English |
| last_indexed | 2024-04-24T13:05:40Z |
| publishDate | 2021-02-01 |
| publisher | Hitit University |
| record_format | Article |
| series | Hitit Medical Journal |
| spelling | doaj.art-d7ce2e1ab49543959bdad246a25540442024-04-05T08:04:18ZengHitit UniversityHitit Medical Journal2687-47172021-02-0131612150The Relationship Between Narrowing Of The QRS Duration And Improvement In The 6-Minute Walking Distance After Cardiac Resynchronization TheraphyMert Evlıce0Mustafa Akcakoyun1SAĞLIK BİLİMLERİ ÜNİVERSİTESİ, İSTANBUL KARTAL KOŞUYOLU YÜKSEK İHTİSAS SAĞLIK UYGULAMA VE ARAŞTIRMA MERKEZİİSTANBUL KARTAL KOŞUYOLU YÜKSEK İHTİSAS EĞİTİM VE ARAŞTIRMA HASTANESİObjective: Cardiac resynchronization therapy has been proved to be effective in patients suffering from reduced ejection fraction heart failure related to electrical dyssynchrony. The aim of this study was to investigate the relationship among narrowing of the QRS duration after cardiac resynchronization therapy and the evaluation of functional capacity by 6-minute walking test.Material and Method: A total of 39 symptomatic (NYHA class II-IV) patients (24 females, 19 males) with chronic heart failure (38% ischemic, 62% non-ischemic) who had left ventricle ejection fraction ≤ 35% were included into the study.Results: The evaluation after cardiac resynchronization therapy revealed statistically significant decrease in QRS duration (153.62 ± 8.49 vs. 131.44 ± 9.86 msec, p lt; 0.001) and increase in 6-minute walking distance (247.77 ± 52.93 vs. 361.15 ± 66.17 m, p lt; 0.001) compared to before cardiac resynchronization therapy. It was detected moderate negative correlation (r = -0.52, p lt; 0.001) between narrowing of the QRS duration and 6-minute walking distance after cardiac resynchronization therapy.Conclusion: In patients with reduced ejection fraction heart failure and cardiac resynchronization therapy, our study has shown that increase in narrowing QRS duration after cardiac resynchronization therapy implantation is associated with development in 6-minute walking distance.https://dergipark.org.tr/tr/download/article-file/1341732cardiac resynchronization theraphychronic heart failuresix-minute walking testaltı dakikalık yürüme testikardiyak resenkronizasyon tedavisikronik kalp yetmezliği |
| spellingShingle | Mert Evlıce Mustafa Akcakoyun The Relationship Between Narrowing Of The QRS Duration And Improvement In The 6-Minute Walking Distance After Cardiac Resynchronization Theraphy Hitit Medical Journal cardiac resynchronization theraphy chronic heart failure six-minute walking test altı dakikalık yürüme testi kardiyak resenkronizasyon tedavisi kronik kalp yetmezliği |
| title | The Relationship Between Narrowing Of The QRS Duration And Improvement In The 6-Minute Walking Distance After Cardiac Resynchronization Theraphy |
| title_full | The Relationship Between Narrowing Of The QRS Duration And Improvement In The 6-Minute Walking Distance After Cardiac Resynchronization Theraphy |
| title_fullStr | The Relationship Between Narrowing Of The QRS Duration And Improvement In The 6-Minute Walking Distance After Cardiac Resynchronization Theraphy |
| title_full_unstemmed | The Relationship Between Narrowing Of The QRS Duration And Improvement In The 6-Minute Walking Distance After Cardiac Resynchronization Theraphy |
| title_short | The Relationship Between Narrowing Of The QRS Duration And Improvement In The 6-Minute Walking Distance After Cardiac Resynchronization Theraphy |
| title_sort | relationship between narrowing of the qrs duration and improvement in the 6 minute walking distance after cardiac resynchronization theraphy |
| topic | cardiac resynchronization theraphy chronic heart failure six-minute walking test altı dakikalık yürüme testi kardiyak resenkronizasyon tedavisi kronik kalp yetmezliği |
| url | https://dergipark.org.tr/tr/download/article-file/1341732 |
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