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You are here: Contents > 2014 > Volume 23 Number 2 March 2014 > MISCELLANEOUS > Redo Valvular Surgery in Elderly Patients Aged >75 Years

Redo Valvular Surgery in Elderly Patients Aged >75 Years

Naoto Fukunaga, Yukikatsu Okada, Yasunobu Konishi, Takashi Murashita, Hideo Kanemitsu, Tadaaki Koyama

Department of Cardiovascular Surgery, Kobe City Medical Center General Hospital, Chuo-ku, Kobe, Japan

Background and aim of the study: Very few data exist regarding the clinical outcome of redo valvular surgery in patients aged >75 years.

Methods: A retrospective analysis was conducted of 42 consecutive patients (mean age 78.3 years) who had undergone redo valvular surgery between January 1991 and December 2010, and who had been followed up for a mean of 2.5 years. Factors associated with early outcomes were analyzed using logistic regression analysis, while predictors of late death and valve-related events were identified using Cox regression analysis.

Results: The overall hospital mortality rate of redo procedures was 17%. Multivariate logistic regression analysis showed that prolonged ventilator support (OR 1.007; 95% CI: 1.000-1.014; p <0.0464) was an

independent risk factor for hospital mortality. Overall survival rates at one and three years were 78.3 ± 6.8% and 67.1 ± 8.6%, respectively. Multivariate Cox regression analysis of survival revealed that age (HR 1.399; 95% CI: 1.044-1.875; p <0.0238) and prolonged ventilator support (HR 1.004; 95% CI: 1.001-1.006; p <0.0051) were negative predictors of mid-term survival. Rates of freedom for valve-related events at one and three years were 77.4 ± 7.5% and 60.2 ± 9.6%, respectively. An absence of peripheral artery disease protected against valve-related events (HR 0.045; 95% CI: 0.004-0.44; p <0.0080).

Conclusion: Early and late outcomes for elderly patients who had undergone redo valvular surgery were relatively poor and satisfactory, respectively. Hence, an optimal referral for redo surgery is important to achieve better outcomes.

The Journal of Heart Valve Disease 2014;23:228-234

Redo Valvular Surgery in Elderly Patients Aged >75 Years

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