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Long-Term Outcomes of Bioprosthetic or Mechanical Valve Replacement in End-Stage Renal Disease: A Nationwide Population-Based Retrospective Study.

ABSTRACT: Background: Valve replacement is associated with worse outcomes in individuals who have end-stage renal disease (ESRD) and require a long-term renal replacement therapy. Prosthetic valve selection in patients with ESRD has remained controversial. Objective: We aimed to investigate long-term outcomes of mechanical and bioprosthetic valve replacement in individuals with ESRD. Methods: We conducted a population-based retrospective cohort study using data obtained from the Taiwan National Health Insurance Research Database. In total, 10,202 patients, including 912 ESRD and 9,290 non-ESRD patients, were selected after a 1:1 propensity-score matching based on the type of prosthetic valve used. The long-term mortality outcomes were then analyzed. Results: During a median follow-up period of 59.6 months, the Kaplan-Meier survival analysis revealed that ESRD patients who underwent mechanical valve replacement had higher rates of all-cause mortality and CV deaths than those who underwent bioprosthetic valve replacement (Log-rank test, p = 0.03 and 0.02, respectively). Multivariable regression analyses demonstrated that ESRD patients who underwent bioprosthetic valve replacement had lower rates of all-cause mortality (p < 0.001, hazard ratio: 0.88, 95% confidence interval: 0.82-0.93) and cardiovascular (CV) death (p < 0.001, hazard ratio: 0.83, 95% confidence interval: 0.76-0.90) than those who had mechanical valve replacement. Conclusion: Bioprosthetic valve replacement is significantly associated with lower rates of all-cause mortality and CV death in the ESRD population.

SUBMITTER: Li GY

PROVIDER: S-EPMC8718455 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Long-term Outcomes Following Mechanical or Bioprosthetic Aortic Valve Replacement in Young Women.

Project description:BackgroundStudies performed to date reporting outcomes after mechanical or bioprosthetic aortic valve replacement (AVR) have largely neglected the young female population. This study compares long-term outcomes in female patients aged < 50 years undergoing AVR with either a mechanical or bioprosthetic valve.MethodsIn this propensity-matched study, we compared outcomes after mechanical AVR (n = 57) and bioprosthetic AVR (n = 57) between 2004 and 2018. The primary outcome of this study is survival. Secondary outcomes include the rate of reoperation, stroke, myocardial infarction, rehospitalization for heart failure, and incidence of serious adverse events. Outcomes were measured over 15 years, with a median follow-up of 7.8 years.ResultsIn patients receiving a mechanical AVR vs a bioprosthetic AVR, overall survival at median follow-up was equivalent, at 93%. There is a lower rate of reoperation in patients receiving a mechanical AVR vs a bioprosthetic AVR (1.8% vs 8.8%). The rate of new-onset atrial fibrillation was significantly higher in the mechanical AVR group vs the bioprosthetic AVR group (18.2% vs 7.3%). No significant difference was seen in the rate of serious adverse events.ConclusionsThese results provide contemporary data demonstrating equivalent long-term survival between mechanical and bioprosthetic AVR, with higher rates of new atrial fibrillation after mechanical AVR, and higher rates of reoperation after bioprosthetic AVR. These results suggest that either valve type is safe, and that preoperative assessment and counselling, as well as the follow-up, medical treatment and indications for intervention, must be a collaborative decision-making process between the clinician and the patient.

| S-EPMC7711020 | biostudies-literature

Long-Term Outcomes of Transcatheter Aortic Valve Replacement in Patients With End-Stage Renal Disease.

Project description:Background Aortic stenosis is prevalent in end-stage renal disease. Transcatheter aortic valve replacement (TAVR) is a plausible alternative for surgical aortic valve replacement. However, little is known regarding long-term outcomes in patients with end-stage renal disease who undergo TAVR. Methods and Results We identified all patients with end-stage renal disease who underwent TAVR from 2011 through 2016 using the United States Renal Data System. The primary end point was 5-year mortality after TAVR. Factors associated with 1- and 5-year mortality were analyzed. A total of 3883 TAVRs were performed for patients with end-stage renal disease. Mortality was 5.8%, 43.7%, and 88.8% at 30 days, 1 year, and 5 years, respectively. Case volumes increased rapidly from 17 in 2011 to 1495 in 2016. Thirty-day mortality demonstrated a dramatic reduction from 11.1% in 2012 to 2.5% in 2016 (P=0.01). Age 75 or older (hazard ratio [HR], 1.14; 95% CI, 1.05-1.23 [P=0.002]), body mass index <25 (HR, 1.18; 95% CI, 1.08-1.28 [P<0.001]), chronic obstructive pulmonary disease (HR, 1.25; 95% CI, 1.1-1.35 [P<0.001]), diabetes mellitus as the cause of dialysis (HR, 1.22; 95% CI, 1.11-1.35 [P<0.001]), hypertension as the cause of dialysis (HR, 1.17; 95% CI, 1.06-1.29 [P=0.004]), and White race (HR, 1.17; 95% CI, 1.06-1.3 [P=0.002]) were independently associated with 5-year mortality. Conclusions Short-term outcomes of TAVR in patients with end-stage renal disease have improved significantly. However, long-term mortality of patients on dialysis remains high.

| S-EPMC8475055 | biostudies-literature

Fluttering Bioprosthetic Valve Leaflet Detected by Intravascular Ultrasound During Valve-in-Valve Transcatheter Aortic Valve Replacement.

Project description:We report fluttering bioprosthetic leaflet, assessed by intravascular ultrasound, during valve-in-valve transcatheter aortic valve replacement, successfully treated by using chimney stenting. Valve-in-valve transcatheter aortic valve replacement is still a challenging situation, particularly in cases with a shallow distance between leaflet and coronary ostium; a multimodality imaging approach helped manage this situation. (Level of Difficulty: Intermediate.).

| S-EPMC8311375 | biostudies-literature

Antithrombotic Strategies After Bioprosthetic Aortic Valve Replacement: A Systematic Review.

Project description:BACKGROUND:The optimal antithrombotic regimen after bioprosthetic aortic valve replacement (bAVR) is unclear. We conducted a systematic review of various anticoagulation strategies following surgical or transcatheter bAVR (TAVR). METHODS:We searched Medline, PubMed, Embase, Evidence-Based Medicine Reviews, and gray literature through June 2017 for controlled clinical trials and cohort studies that directly compared different antithrombotic strategies in nonpregnant adults who had undergone bAVR. We assessed risk of bias and graded the strength of the evidence using established methods. RESULTS:Of 4,554 titles reviewed, 6 clinical trials and 13 cohort studies met inclusion criteria. We found moderate-strength evidence that mortality, thromboembolic events, and bleeding rates are similar between aspirin and warfarin after surgical bAVR. Observational data suggest lower mortality and thromboembolic events with aspirin combined with warfarin compared with aspirin alone after surgical bAVR, but the effect size is small and the combination is associated with a substantial increase in bleeding risk. We found insufficient evidence for all other treatment comparisons in surgical bAVR. In TAVR patients, we found moderate-strength evidence that mortality, stroke, and major cardiac events are similar between dual antiplatelet therapy and aspirin alone, though a nonsignificantly lower rate of bleeding occurred with aspirin alone. CONCLUSIONS:Treatment with warfarin or aspirin leads to similar outcomes after surgical bAVR. Combining aspirin with warfarin may lead to a small decrease in thromboembolism and mortality, but is accompanied by increased bleeding. For TAVR patients, aspirin is equivalent to dual antiplatelet therapy for reducing thromboembolism and mortality, with a possible decrease in bleeding.

| S-EPMC6743973 | biostudies-literature

Transcatheter valve-in-valve aortic valve replacement with bioprosthetic valve Fracture/Stretching technique in a degenerated mitroflow valve.

Project description:We describe a successful bioprosthetic annular stretching in a patient with severe prosthetic aortic valve stenosis from a degenerated 19-mm Mitroflow valve (Sorin Group USA Inc, Arvada, CO, USA). This technique allowed for implantation of a 23-mm Evolut-R Pro valve (Medtronic, Minneapolis, MN, USA) with significant improvement in hemodynamics after prosthetic annular stretching. We have also summarized other case series and case reports which have previously described similar techniques. <Learning objective: Transcatheter valve-in-valve procedure may not be feasible in certain patients who have a relatively smaller size bioprosthetic valve. Cracking/stretching the annular ring of the smaller prosthetic valve to deploy a larger transcatheter valve is a potential option in these patients. Clinicians must be cognizant of the possible pitfalls, contraindications, and other technical aspects to choose the right patient for this procedure.>.

| S-EPMC7195570 | biostudies-literature

Preemptive Alcohol Septal Ablation Prior to Valve-in-Valve Transcatheter Mitral Valve Replacement With Bioprosthetic Balloon Fracture.

Project description:A 78-year-old woman with bioprosthetic mitral valve degeneration at high risk for reoperation was referred for transcatheter mitral valve replacement. We describe the use of a preemptive alcohol septal ablation pre-procedurally to minimize the risk of acute left ventricular outflow tract obstruction given the anticipated need for a bioprosthetic valve fracture. (Level of Difficulty: Advanced.).

| S-EPMC8311042 | biostudies-literature

Long-term outcome after mitral valve replacement using biological versus mechanical valves.

Project description:BACKGROUND:This study compared long-term outcomes of biological and mechanical mitral valve replacement (MVR) in patients requiring replacement of the mitral valve where repair was not feasible. METHODS:A single-centre registry of patients receiving MVR between 2005 and 2015 was established. Thirty-day mortality and long-term outcomes were analysed and compared. RESULTS:Three hundred twenty four patients underwent MVR (265 biological; 59 mechanical valves). Patients receiving biological valves were older (p < 0.001), had a higher log EuroSCORE (p < 0.001) and received less minimally invasive surgery (p < 0.001). Immediate procedural mortality was 1.9%, which only occurred in the biological valve group. At 30 days, 9.0% of patients had died, 4.0% experienced stroke, 8.0% received a pacemaker and 10.5% suffered an acute renal failure. The rate of re-thoracotomy (14.2%) was lower in the biological (12.5%) than in the mechanical valve group (22.0%; adjOR 0.45 [0.20-1.00]; p = 0.050). Frequent long-term complications were stroke (9.2%) and bleeding (4.8%), with bleeding complications being higher in the mechanical valve group (p = 0.009). During the follow-up period biological valves showed a numerically higher survival rate during the first years, which shifted after 3 years in favour of mechanical valves. At 10 years, survival rates were 62.4% vs. 77.1% in the biological and mechanical valve groups (p = 0.769). Hazard ratio after adjustment was 0.833 (95% CI 0.430-1.615). CONCLUSION:These data confirm that mechanical valve implantation is associated with an increased risk of bleeding. While there was a potential survival benefit during the first years after surgery for patients receiving a biological valves the difference became insignificant after a follow-up of 10 years.

| S-EPMC6599286 | biostudies-other

Contemporary trends and outcomes in aortic valve replacement in patients with end-stage liver disease.

Project description:ObjectiveEven in high-risk trials pertaining to transcatheter aortic valve replacement (TAVR), patients with end-stage liver disease (ESLD) have been under-represented. We sought to study this population group from a large national United States population database.MethodsWe used National Inpatient Sample (NIS) database from January 2005 to August 2015. Patients with ESLD were extracted using Goldberg's algorithm. Propensity match analysis was done for comparative analysis between surgical aortic valve replacement (SAVR) and TAVR groups. Logistic regression analysis was used for predictors of in-hospital mortality.ResultsOut of 309,959 ESLD patients, 1,375 underwent aortic valve replacement and 1,199 patients were included in our study. Mean age was 66.1 (SD, 9.1) years. In matched data, the in-hospital mortality was 5.5% in TAVR group when compared to 19.4% in SAVR group. Ventilator use (16.1 vs. 27.2%, p < .01), tracheostomy (<4 vs. 7.2%, p < .01), and vasopressin use (0 vs. 7.4%, p < .01) were utilized less in TAVR group as compared to SAVR group. The proportion of TAVR has increased from almost zero in 2011 to 51.3% in 2015. Mean cost for hospital stay has increased in SAVR group (from 254,427$ in 2005 to 321,791$ in 2015, p < .01). Similarly, a large decrease in length of stay has been observed for TAVR group (14.5 days in 2011 to 5.4 days in 2015, p < .01). TAVR (odds ratios [OR]: 0.42, 95% confidence interval [CI]: 0.20-0.87, p = .02) was associated with lower in-hospital mortality.ConclusionTAVR was associated with lower in-hospital mortality, morbidity, and resource utilization in high-risk ESLD patients.

| S-EPMC7484033 | biostudies-literature

Nationwide Glaucoma incidence in end stage renal disease patients and kidney transplant recipients.

Project description:Glaucoma shares common risk factors with chronic kidney disease (CKD) but previous cross-sectional studies have demonstrated discrepancies in the risk of glaucoma in CKD patients. This study enrolled kidney transplantation recipients (KTRs) (n = 10,955), end stage renal disease (ESRD) patients (n = 10,955) and healthy controls (n = 10,955) from National Health Insurance Service database of the Republic of Korea. A Cox proportional hazard regression model was used to calculate the hazard ratios (HR) for primary open-angle glaucoma (POAG) and primary angle-closure glaucoma (PACG) incidences. The incidence of POAG was higher in ESRD patients (3.36/1,000 person-years, P < 0.0001) and KTRs (3.22 /1,000 person-years, P < 0.0001), than in healthy controls (1.20/1,000 person-years). However, POAG risk showed no significant increase in either ESRD patients (P = 0.07) or KTRs (P = 0.08) when adjusted for the confounding factors. The incidence of PACG was significantly higher in ESRD patients (0.41/1,000 person-years) than in healthy controls (0.14/1,000 person-years, P = 0.008). The PACG incidence was significantly lower in KTRs than in ESRD patients (HR = 0.35, P = 0.015). In conclusion, this nationwide cohort study demonstrated that kidney transplantation can reduce the risk of PACG but not POAG in ESRD patients.

| S-EPMC8017003 | biostudies-literature

Three-valve endocarditis in a patient with bioprosthetic aortic valve replacement and intravenous drug use: a case report.

Project description:Background:Here, we outline the case of a US Veteran's Health Administration (VA) patient with a history of recent bioprosthetic aortic valve replacement (AVR) and recent intravenous drug use (IVDU) who was found to have three-valve infective endocarditis (IE) resulting in septic shock. We highlight this case because it represents an uncommon case of three-valve IE in the setting of recent bioprosthetic valve replacement and IVDU, and it raises the need for continued awareness of mental health and drug rehabilitation in the US military veteran population. Case summary:A 62-year-old gentleman with recent bioprosthetic AVR presented with dyspnoea and lower extremity oedema and was found to have a heart failure exacerbation. He developed sepsis and was found to have three-valve endocarditis, as well as aortic root abscess and pacemaker lead infection. He was treated with broad-spectrum antibiotics and evaluated for surgical intervention. After discussion with the surgical team, the patient decided not to pursue surgery due to prohibitively high perioperative mortality risk. The patient was transferred to hospice and expired within 2 weeks. Discussion:Three-valve IE is sparingly documented in published literature and can be difficult to treat. Providers must be cognizant of prosthetic valve endocarditis as an uncommon but known complication of valve replacement surgery. Intravenous drug use is a common risk factor for endocarditis and is prevalent in the US military veteran population. Prosthetic valve endocarditis should be treated with broad-spectrum antibiotics, and in general, if it leads to new significant valvular abnormalities, the valve should be replaced.

| S-EPMC7042142 | biostudies-literature

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