OBJECTIVES This study aimed at assessing mid-term outcomes of patients undergoing isolated tricuspid valve (TV) surgery based on a preoperative baseline clinical and functional classification. METHODS All patients treated with isolated TV repair or replacement from March 1997 to May 2020 at a single institution were retrospectively reviewed and assessed for mid-term postoperative outcome according to a novel classification [stages 1–5 related to the absence or presence and extent of right heart failure (RHF)]. Kaplan–Meier survival curves were used to estimate mid-term survival. Competing risk analysis for time to cardiac death and hospitalizations for RHF were also carried out. RESULTS Among the 172 patients included, 129 (75%) underwent TV replacement and 43 (25%) TV repair. At follow-up (median 4.2 years [2.1–7.5]), there were 23 late deaths. At 5 years, overall survival was 100% in stage 2, 88 ± 4% in stage 3 and 60 ± 8% in stages 4–5 (P = 0.298 and P = 0.001, respectively). Cumulative incidence function of cardiac death at 5 years was 0%, 8.6 ± 3.76% and 13.2 ± 5% for stages 2, 3 and 4 and 5, respectively. At follow-up, cumulative incidence function of re-hospitalizations for RHF was 0% for stage 2, 20 ± 5% for stage 3 and 20 ± 6.7% for stages 4 and 5 (P = 0.118 and P = 0.039, respectively). CONCLUSIONS Both short- and mid-term outcomes support early referral for surgery in isolated TV disease, with excellent survival at 5 years and no further hospitalizations for RHF.

OBJECTIVES The appropriateness of moderate aortic regurgitation treatment during mitral valve (MV) surgery remains unclear. The goal of this study was to evaluate the immediate and long-term outcomes of patients with moderate aortic regurgitation at the time of MV surgery. METHODS We included 183 patients admitted to our institution for elective treatment of MV disease between 2004 and 2018, in whom moderate aortic regurgitation was diagnosed during preoperative evaluation. One hundred and twenty-two patients underwent isolated MV surgery (study group) whereas 61 patients underwent concomitant MV surgery and aortic valve replacement (control group). RESULTS One death (0.8%) occurred in the study group, and 3 deaths (4.8%) occurred in the control group (P = 0.52). The rate of the most common postoperative complication was similar between the 2 groups. At 12 years, the cumulative incidence function of cardiac death, with non-cardiac death as a competing risk, was 4.7 ± 2.8% in the study group; no cardiac deaths were observed in the control group (P = 0.078). At 6 and 12 years, in the study group, the cumulative incidence function of aortic valve reintervention, with death as a competing risk, was 2.5 ± 1.85% and 19 ± 7.1%, respectively. CONCLUSIONS The appropriate management of moderate aortic regurgitation at the time of MV surgery deserves a careful evaluation by balancing the reintervention rate with the age, the operative risk and the life expectancy of the patient. Our findings suggest that a patient-tailored approach is the key to achieving the best clinical outcome for each individual patient.

The aim of this retrospective study is to show medium-long-term results in terms of cardiac death and aortic events in patients undergoing reduction ascending aortoplasty between 1997 and 2009 in our hospital. The Fine and Grey model for competing risk analysis was performed for time to cardiac death, with non-cardiac death as the competing risk, and time to recurrence of both re-dilation (aortic diameter > 45 mm) and re-operation with overall death as the competing risk. Paired t-test was used to evaluate the change in aortic diameter from the post-operative values to follow-up. The population included 142 patients. The mean pre-operative aortic diameter and the diameter at follow-up were respectively 46.5 ± 5.11 mm vs. 41.4 ± 5.55 mm (p-value < 0.001). At a mean follow-up of 11.6 ± 4.15 years, 11 patients (7.7%) required re-operation on the ascending aorta. At 16 years, the CIF of aortic-related events was 29.4 ± 7.2%; the freedom from cardiac death was 89.2 ± 3.7%. Ten patients (7%) died from cardiac causes but no one was aortic-related. The Fine and Grey analysis did not identify any significant predictors. This procedure is safe but might be justified only in high-risk patients or in those with advanced age/short life expectancy.

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Objectives Aim of this study was to evaluate arrhythmic burden of patients with Barlow’s disease and significant mitral regurgitation (MR) and assess the impact of mitral repair on ventricular arrhythmias (VA) in this group of subjects. Methods We prospectively included 88 consecutive patients with Barlow’s disease referred to our Institution from February 2021 to May 2022. All enrolled patients underwent 24-hour Holter monitoring before surgery. Sixty-three of them completed 3 months echocardiographic and Holter follow-up. Significant arrhythmic burden was defined as ≥ 1% premature ventricular beats/24 hours or at least one episode of non-sustained ventricular tachycardia (VT), VT or ventricular fibrillation. Results At baseline, 29 patients (33%) were arrhythmogenic (AR) while 59 (67%) were not (NAR). AR subjects tended to be more often females with history of palpitations. Sixty-three patients completed 3-months follow-up. Twenty of them (31.7%) were AR at baseline and 43 (68.3%) were not. Among AR patients, 9 (45%) remained AR after mitral surgery, while 11 (55%) became NAR. Considering NAR subjects at baseline, after mitral valve repair 8 (18.6%) evolved into AR, while 35 (81.4%) remained NAR. A higher prevalence of pre-operative MAD was found among patients experiencing VA reduction if compared with patients who remained arrhythmogenic (63.6% vs 11.1%, p = 0.028). Conclusions In our experience, 1/3 of Barlow’s patients referred for mitral surgery showed a significant arrhythmic burden. Almost half of the subjects arrhythmogenic at baseline were free from significant VA after mitral repair. However, a minority (18.6%) of subjects without arrhythmic burden at baseline experienced significant VA at follow-up.

Tricuspid valve regurgitation is an insidious pathology that is associated with increased mortality if left untreated. Conversely, surgical correction of tricuspid regurgitation is burdened by poor outcomes, especially when right ventricular dysfunction, kidney disease, or liver disease occur. There is, therefore, increasing interest in transcatheter approaches as an alternative to surgery in patients at high or prohibitive surgical risk. The development of percutaneous devices to treat tricuspid regurgitation has several technical challenges, mainly because of the complexity of valve anatomy, thus requiring accurate patient selection. Here we review the currently available transcatheter approaches to treat severe tricuspid regurgitation.