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Background <p>While previous studies have indicated comparable outcomes for redo surgical valve replacement (SVR) and primary SVR, there is limited information regarding the long-term follow-up of these patients. Providing prognostic data on redo SVR is crucial for enhancing decision-making and medical care, as well as for identifying low-risk subsets of patients eligible for redo SVR. This study aimed to evaluate the short- and mid-term outcomes of patients who underwent their first and second redo SVR of a previously replaced valve.</p> Methods <p>We included 118 consecutive patients with a history of first or second redo SVR. The participants had a mean age of 57.5 ± 14.4 years, with 71 (60%) being female. The median follow-up period was 69&#xa0;months. Clinical, intraoperative, and laboratory data were analyzed to assess all-cause mortality, major adverse events (MAE), and a composite of prosthetic valve thrombosis, embolic events, and major hemorrhage (TEH), along with their predictors. Bayesian model averaging was used for statistical analysis.</p> Results <p>The 30-day mortality rate was 11 patients (9.3%). Chronic kidney disease was identified as an independent predictor of 30-day mortality. The overall survival rates at one and five years were 86% (95% CI 80% to 93%) and 76% (95% CI 68% to 85%), respectively. Dyslipidemia, a history of major bleeding, chronic kidney disease, stroke, and transvalvular leakage in biological prostheses were all associated with all-cause mortality as independent predictors. The TEH-free survival rates at one and five years were 91% (95% CI 86% to 97%) and 79% (95% CI 71% to 88%), respectively. Diabetes, sex, a history of percutaneous coronary intervention, and baseline functional capacity were identified as independent predictors for the occurrence of TEH. The MAE-free survival rates at one and five years were 82% (95% CI 73% to 92%) and 61% (95% CI 49% to 75%), respectively. Hypertension and baseline functional class were independent predictors of MAE occurrence. The type and anatomical position of the valve were not predictors of mortality, THE, and MAE.</p> Conclusions <p>Our study demonstrated acceptable short- and mid-term outcomes for redo SVR, especially in patients without significant risk factors. Several potential predictors of adverse outcomes were identified.</p>

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Short- and mid-term outcomes after redo surgical valve replacement

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年4月17日

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  • Pardis Sadeghi,
  • Ali Hosseinsabet,
  • Reza Mohseni-Badalabadi,
  • Arash Jalali,
  • Ahmad Vakili-Basir,
  • Mina Pashang,
  • Negar Omidi,
  • Jamshid Bagheri,
  • Mohammadjavad Mehrabanian

摘要

Background

While previous studies have indicated comparable outcomes for redo surgical valve replacement (SVR) and primary SVR, there is limited information regarding the long-term follow-up of these patients. Providing prognostic data on redo SVR is crucial for enhancing decision-making and medical care, as well as for identifying low-risk subsets of patients eligible for redo SVR. This study aimed to evaluate the short- and mid-term outcomes of patients who underwent their first and second redo SVR of a previously replaced valve.

Methods

We included 118 consecutive patients with a history of first or second redo SVR. The participants had a mean age of 57.5 ± 14.4 years, with 71 (60%) being female. The median follow-up period was 69 months. Clinical, intraoperative, and laboratory data were analyzed to assess all-cause mortality, major adverse events (MAE), and a composite of prosthetic valve thrombosis, embolic events, and major hemorrhage (TEH), along with their predictors. Bayesian model averaging was used for statistical analysis.

Results

The 30-day mortality rate was 11 patients (9.3%). Chronic kidney disease was identified as an independent predictor of 30-day mortality. The overall survival rates at one and five years were 86% (95% CI 80% to 93%) and 76% (95% CI 68% to 85%), respectively. Dyslipidemia, a history of major bleeding, chronic kidney disease, stroke, and transvalvular leakage in biological prostheses were all associated with all-cause mortality as independent predictors. The TEH-free survival rates at one and five years were 91% (95% CI 86% to 97%) and 79% (95% CI 71% to 88%), respectively. Diabetes, sex, a history of percutaneous coronary intervention, and baseline functional capacity were identified as independent predictors for the occurrence of TEH. The MAE-free survival rates at one and five years were 82% (95% CI 73% to 92%) and 61% (95% CI 49% to 75%), respectively. Hypertension and baseline functional class were independent predictors of MAE occurrence. The type and anatomical position of the valve were not predictors of mortality, THE, and MAE.

Conclusions

Our study demonstrated acceptable short- and mid-term outcomes for redo SVR, especially in patients without significant risk factors. Several potential predictors of adverse outcomes were identified.