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Bratislava Medical Journal Ahead of print Bratislava Medical Journal Vol.123, No.10, p.710–715, 2022
Bratislava Medical Journal Ahead of print Bratislava Medical Journal Vol.123, No.10, p.710–715, 2022
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Bratislava Medical Journal Vol.123, No.10, p.710–715, 2022 |
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| Title: Renal denervation in resistant hypertension treatment | ||
| Author: Andrey U. OREKHOV, Yersyn T. SABITOV, Ludmila K. KARAZHANOVA | ||
| Abstract: BACKGROUND AND OBJECTIVES: Purpose of the study is the assessment of the effectiveness of renal denervation with different types of catheters, as well as its long-term effects, in the patients with resistant hypertension. MATERIALS AND METHODS: This single-center prospective study included 81 patients who underwent a renal denervation procedure using 2 types of catheters: monopolar and helical (Medtronic Inc., Minneapolis, Minnesota, the USA) between 2015 and 2018. Baseline demographics, clinical, functional and laboratory characteristics of the patients were assessed. A comparative analysis of the dynamics of office systolic and diastolic blood pressure during 5 years of follow-up was carried out. The Kaplan–Meier method was used to study the survival of the patients with resistant hypertension after renal denervation. RESULTS: A total of 81 patients with a mean age of 57.79 ± 9.87 years, of whom 37.04 % were men, were included in the 2-stage study (first stage using monopolar catheters and second stage using spiral catheters). At the time of inclusion, study participants were receiving an average of 4.5 ± 1.4 antihypertensive medications. In 36 (or 44.4 %), the procedure was performed using a monopolar catheter; in 45 (or 55.6 %), a spiral catheter was used. There were no statistically significant differences between the two groups of the patients. The analysis established statistically significant changes in the dynamics of office SBP and DBP (p < 0.001) assessed 1, 2, 3, 4, and 5 years after the renal denervation procedure. The analysis demonstrated a stability in the reduction of office SBP and DBP during the 5-year follow-up. The results of the study showed that the median survival time was 1061 days from the beginning of follow-up (95% CI: 728.03 to 1 393.97 days); the median survival time in the monopolar catheter group was 777 days (95% CI: 692.314 to 861.686) and in the spiral catheter group 1 294 days (95% CI: 713.079 to 1 874.921). FINDINGS: Our results demonstrated the efficiency and safety of renal denervation in both short-term and long-term follow-up using monopolar and spiral catheters in the treatment of uncontrolled hypertension with combined antihypertensive therapy. The most significant is the demonstrated stability of the effect after the procedure. In addition, the survival rate of the patients with resistant hypertension after the intervention has been carried out (Tab. 2, Fig. 3, Ref. 22). |
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| Keywords: renal denervation, device-based therapy, hypertension, sympathetic nervous system, resistant | ||
| Published online: 23-Jul-2022 | ||
| Year: 2022, Volume: 123, Issue: 10 | Page From: 710, Page To: 715 | |
| doi:10.4149/BLL_2022_113 |
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