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Sulaiman S, Kawsara A, El Sabbagh A, Mahayni AA, Gulati R, Rihal CS, Alkhouli M. Machine learning vs. conventional methods for prediction of 30-day readmission following percutaneous mitral edge-to-edge repair. CARDIOVASCULAR REVASCULARIZATION MEDICINE 2023; 56:18-24. [PMID: 37248108 PMCID: PMC10762683 DOI: 10.1016/j.carrev.2023.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 05/12/2023] [Accepted: 05/15/2023] [Indexed: 05/31/2023]
Abstract
BACKGROUND Identifying predictors of readmissions after mitral valve transcatheter edge-to-edge repair (MV-TEER) is essential for risk stratification and optimization of clinical outcomes. AIMS We investigated the performance of machine learning [ML] algorithms vs. logistic regression in predicting readmissions after MV-TEER. METHODS We utilized the National-Readmission-Database to identify patients who underwent MV-TEER between 2015 and 2018. The database was randomly split into training (70 %) and testing (30 %) sets. Lasso regression was used to remove non-informative variables and rank informative ones. The top 50 informative predictors were tested using 4 ML models: ML-logistic regression [LR], Naive Bayes [NB], random forest [RF], and artificial neural network [ANN]/For comparison, we used a traditional statistical method (principal component analysis logistic regression PCA-LR). RESULTS A total of 9425 index hospitalizations for MV-TEER were included. Overall, the 30-day readmission rate was 14.6 %, and heart failure was the most common cause of readmission (32 %). The readmission cohort had a higher burden of comorbidities (median Elixhauser score 5 vs. 3) and frailty score (3.7 vs. 2.9), longer hospital stays (3 vs. 2 days), and higher rates of non-home discharges (17.4 % vs. 8.5 %). The traditional PCA-LR model yielded a modest predictive value (area under the curve [AUC] 0.615 [0.587-0.644]). Two ML algorithms demonstrated superior performance than the traditional PCA-LR model; ML-LR (AUC 0.692 [0.667-0.717]), and NB (AUC 0.724 [0.700-0.748]). RF (AUC 0.62 [0.592-0.677]) and ANN (0.65 [0.623-0.677]) had modest performance. CONCLUSION Machine learning algorithms may provide a useful tool for predicting readmissions after MV-TEER using administrative databases.
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Affiliation(s)
- Samian Sulaiman
- Division of Cardiology, West Virginia University, Morgantown, WV, United States of America.
| | - Akram Kawsara
- Division of Cardiology, West Virginia University, Morgantown, WV, United States of America
| | - Abdallah El Sabbagh
- Department of Cardiovascular Disease, Mayo Clinic, Jacksonville, FL, United States of America
| | - Abdulah Amer Mahayni
- Department of Cardiovascular Disease, Mayo Clinic, Rochester, MN, United States of America
| | - Rajiv Gulati
- Department of Cardiovascular Disease, Mayo Clinic, Rochester, MN, United States of America
| | - Charanjit S Rihal
- Department of Cardiovascular Disease, Mayo Clinic, Rochester, MN, United States of America
| | - Mohamad Alkhouli
- Department of Cardiovascular Disease, Mayo Clinic, Rochester, MN, United States of America
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Zhou C, Tan K, Liu W, Li S, Xia Z, Song Y, Lian Z. Temporal Trends and Early Outcomes of Transcatheter versus Surgical Mitral Valve Repair in Atrial Fibrillation Patients. J Interv Cardiol 2023; 2023:4332684. [PMID: 37868768 PMCID: PMC10586899 DOI: 10.1155/2023/4332684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 08/21/2023] [Accepted: 10/03/2023] [Indexed: 10/24/2023] Open
Abstract
Objectives To study trends of utilization, in-hospital outcomes, and short outcomes in patients undergoing transcatheter mitral valve repair (TMVR) vs. surgical mitral valve repair (SMVR) in atrial fibrillation (AF). Background TMVR is a treatment option in inoperable or high-risk patients with mitral regurgitation (MR). AF is a common comorbidity of MR. Data comparing between TMVR and SMVR in MR patients with AF is lacking. Methods The National Readmission Database from 2016 to 2019 was utilized to identify hospitalizations undergoing TMVR or SMVR with AF. Outcomes of interest included mortality, postoperative complications, length of stay, and 30-day readmission rate. Results A total of 9,195 patients underwent TMVR and 16,972 patients underwent SMVR with AF; the number of AF undergoing TMVR was increasing from 1,342 in 2016 to 4,215 in 2019 and SMVR. The incidence of in-hospital mortality decreased from 2.6% in 2016 to 1.8% in 2019. We identified length of stay>5 days, dyslipidemia, cerebrovascular disease, heart failure with reduced ejection fraction, and urgent/emergent admissions as independent risk factors for in-hospital mortality. After matching, we included 4,680 patients in each group; the in-hospital death, transfusion, acute kidney injury, sepsis, stroke, and mechanical ventilation were lower in TMVR compared with SMVR. TMVR was associated with a similar rate of all-cause readmission at 30 days compared with SMVR. Conclusion Patients with AF receiving TMVR have been increasing along with progressive improvement in in-hospital death and length of stay. Compared to SMVR, AF patients receiving TMVR had a lower rate of in-hospital death and postoperative complications.
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Affiliation(s)
- Chi Zhou
- Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Kai Tan
- Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Weili Liu
- Interventional Operation Room, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Shaohua Li
- Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Zongyi Xia
- Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yanxu Song
- Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Zhexun Lian
- Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao, China
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El Shaer A, Chavez Ponce A, Mazur P, Greason K, Arghami A, Eleid MF, Guerrero M, Rihal CS, Crestanello JA, Alkhouli M. Mitral Valve Surgery for Persistent or Recurrent Mitral Regurgitation After Transcatheter Edge-to-Edge Repair Is Associated With Improved Survival. J Am Heart Assoc 2022; 11:e026236. [PMID: 36250668 PMCID: PMC9673655 DOI: 10.1161/jaha.122.026236] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Background The management of severe mitral regurgitation (MR) after transcatheter edge‐to‐edge repair (TEER) remains a clinical conundrum. Considering the growing volume of TEER, more outcomes data for mitral surgery in this cohort are needed. Methods and Results Symptomatic patients with persistent or recurrent severe MR after TEER evaluated between May 2014 and June 2021 were included. The primary outcome was all‐cause mortality in patients who were treated with surgery versus medical therapy. The Kaplan–Meier and Cox regression methods were used to report risk‐adjusted survival analyses. Among the 142 included patients, 44 (31.0%) underwent mitral surgery. Patients who underwent surgery were younger than those treated medically (74.1±8.9 versus 78.6±10.5 years, P=0.01). Major comorbidities were similar except obesity, sleep apnea, left ventricular dimensions, and ejection fraction. Society of Thoracic Surgeons Predicted Risk of Operative Mortality was 9.0±4.7 versus 7.9±4.9 in the surgical versus medical therapy groups, respectively, P=0.22. Time from TEER to detection of severe MR was similar in both groups (median [interquartile range] 97.5 [39.5–384] versus 93.5 [40–389] days in the surgical versus medical groups, respectively [P>0.05]). In the surgical group, valve replacement was performed in all patients. Operative mortality was 4.5% (observed/expected ratio 0.55), and major complications were uncommon. After risk‐adjustment, surgery was associated with significantly lower all‐cause mortality (adjusted hazard ratio, 0.33 [95% CI, 0.12–0.92], P=0.001) compared with medial therapy. Conclusions Compared with medical therapy, mitral surgery in patients with severe persistent or recurrent MR after TEER is associated with lower mortality despite the high‐risk profile of these patients. Patients with severe MR after TEER should be considered for surgery at a referral mitral surgical center.
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Affiliation(s)
- Ahmed El Shaer
- Department of Cardiovascular Disease Mayo Clinic Rochester MN
| | | | - Piotr Mazur
- Department of Cardiovascular Surgery Mayo Clinic Rochester MN
| | - Kevin Greason
- Department of Cardiovascular Surgery Mayo Clinic Rochester MN
| | - Arman Arghami
- Department of Cardiovascular Surgery Mayo Clinic Rochester MN
| | - Mackram F Eleid
- Department of Cardiovascular Surgery Mayo Clinic Rochester MN
| | - Mayra Guerrero
- Department of Cardiovascular Disease Mayo Clinic Rochester MN
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Drosou ME, Gray WA. Clipping costs. Catheter Cardiovasc Interv 2022; 99:1257-1258. [PMID: 35441819 DOI: 10.1002/ccd.30172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 03/17/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Maria E Drosou
- Lankenau Heart Institute, Main Line Health, Wynnewood, Pennsylvania, USA
| | - William A Gray
- Lankenau Heart Institute, Main Line Health, Wynnewood, Pennsylvania, USA
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Rigatelli G, Zuin M, Picariello C, Gianese F, Osti S, Mazza A, Vassilev D, Dinh H, Van Tan N, Nghia N, Roncon L. Gender-related differences in clinical outcomes after either single or double left main bifurcation stenting. Heart Vessels 2022; 37:1326-1336. [PMID: 35178606 DOI: 10.1007/s00380-022-02038-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 01/28/2022] [Indexed: 12/25/2022]
Abstract
We sought to examine the impact of gender differences in clinical outcomes at 3 years also comparing the role of double versus single stenting approach for the treatment of coronary unprotected LM bifurcation lesions. We retrospectively analyzed both the procedural and medical data of patients referred to our hub center for complex LM bifurcation disease, treated using Crossover provisional stenting, T or T-and-Protrusion (TAP), Culotte, and Nano-inverted-T (NIT) techniques between January 1st, 2008 and May 1st 2018. The main outcome of the study was to evaluate the association between gender and target lesion failure (TLF) based on the different stenting technique used. Five hundred and sixty-seven patients (251 females, mean age 70.0 ± 10 years, mean Syntax score 31.6 ± 6.3) were evaluated. Crossover, T or TAP, culotte and NIT techniques were performed in 171 (30.1%), 61 (10.7%), 98 (17.2%) and 237 (41.8%) patients, respectively with no differences in baseline and peri-procedural items among gender. At a mean follow-up of 37.1 ± 10.8 months (range 22.1-39.3 moths), the overall TLF rate, cardiovascular mortality and stent thrombosis were 12.1%, 3.1% and 1.0%, respectively. Female gender was associated with an increased rate of major bleeding when treated with double stent strategy (p = 0.02). No gender difference in TLF was noted among gender, independently from the stenting approach used. Among patients with ULM bifurcation disease undergoing PCI, TLF rates were not different between genders at 3-year follow-up either using a single or double stent technique.
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Affiliation(s)
- Gianluca Rigatelli
- Division of Cardiology, Department of Specialistic Medicine, Rovigo General Hospital, Viale Tre Martiri 140, 45100, Rovigo, Italy.
| | - Marco Zuin
- Department of Translational Medicine, Section of Internal and Cardiorespiratory Medicine, University of Ferrara, Ferrara, Italy
| | - Claudio Picariello
- Division of Cardiology, Department of Specialistic Medicine, Rovigo General Hospital, Viale Tre Martiri 140, 45100, Rovigo, Italy
| | - Filippo Gianese
- Division of Cardiology, Department of Specialistic Medicine, Rovigo General Hospital, Viale Tre Martiri 140, 45100, Rovigo, Italy
| | - Sabrina Osti
- Division of Cardiology, Department of Specialistic Medicine, Rovigo General Hospital, Viale Tre Martiri 140, 45100, Rovigo, Italy
| | - Alberto Mazza
- Department of Internal Medicine, Rovigo General Hospital, Rovigo, Italy
| | - Dobrin Vassilev
- Head of Cardiology, Alexandroska University Hospital Medical School, Sofia, Bulgaria
| | - Huy Dinh
- Department of Interventional Cardiology, Tam Duc Heart Hospital, Ho Chi Minh City, Vietnam
| | - Nguyen Van Tan
- Department of Interventional Cardiology, Thong Nhat Hospital, Ho Chi Minh City, Vietnam
| | - Nguyen Nghia
- Department of Interventional Cardiology, Cho Ray Hospital, Ho Chi Minh City, Vietnam
| | - Loris Roncon
- Division of Cardiology, Department of Specialistic Medicine, Rovigo General Hospital, Viale Tre Martiri 140, 45100, Rovigo, Italy
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Alkhouli M, Palacios IF, Jneid H. Risk Stratification of Patients Undergoing Mitral TEER. J Am Coll Cardiol 2022; 79:574-576. [PMID: 35144749 DOI: 10.1016/j.jacc.2021.12.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 12/01/2021] [Indexed: 11/24/2022]
Affiliation(s)
- Mohamad Alkhouli
- Department of Cardiovascular Disease, Mayo Clinic, Rochester, Minnesota, USA.
| | - Igor F Palacios
- Section of Cardiology, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
| | - Hani Jneid
- Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
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Alkhouli M, Guerrero M, Rihal CS. Transseptal TMVR--An Intrepid Journey. JACC Cardiovasc Interv 2021; 15:90-92. [PMID: 34747700 DOI: 10.1016/j.jcin.2021.10.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Accepted: 10/19/2021] [Indexed: 11/17/2022]
Affiliation(s)
- Mohamad Alkhouli
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Mayra Guerrero
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Charanjit S Rihal
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA.
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