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Zhao Y, Zhao L, Huang Q, Liao C, Yuan Y, Cao H, Li A, Zeng W, Li S, Zhang B. Nomogram to predict recurrence risk factors in patients with non-valvular paroxysmal atrial fibrillation after catheter radiofrequency ablation. Echocardiography 2024; 41:e15779. [PMID: 38477165 DOI: 10.1111/echo.15779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 01/03/2024] [Accepted: 01/25/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND Radiofrequency catheter ablation (RFCA) is an effective method for controlling the heart rate of paroxysmal atrial fibrillation (PAF). However, recurrence is trouble under the RFCA. To gain a deeper understanding of the risk factors for recurrence in patients, we created a nomogram model to provide clinicians with treatment recommendations. METHODS A total of two hundred thirty-three patients with PAF treated with RFCA at Guizhou Medical University Hospital between January 2021 and December 2022 were consecutively included in this study, and after 1 year of follow-up coverage, 166 patients met the nadir inclusion criteria. Patients with AF were divided into an AF recurrence group and a non-recurrence group. The nomogram was constructed using univariate and multivariate logistic regression analyses. By calculating the area under the curve, we analyzed the predictive ability of the risk scores (AUC). In addition, the performance of the nomogram in terms of calibration, discrimination, and clinical utility was evaluated. RESULTS At the 12-month follow-up, 48 patients (28.92%) experienced a recurrence of AF after RFCA, while 118 patients (71.08%) maintained a sinus rhythm. In addition to age, sex, and TRV, LAD, and TTPG were independent predictors of recurrence of RFCA. The c-index of the nomogram predicted AF recurrence with an accuracy of .723, showing good decision curves and a calibrated nomogram, as determined by internal validation using a bootstrap sample size of 1000. CONCLUSION We created a nomogram based on multifactorial logistic regression analysis to estimate the probability of recurrence in patients with atrial fibrillation 1 year after catheter ablation. This plot can be utilized by clinicians to predict the likelihood of recurrence.
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Affiliation(s)
- Yueyao Zhao
- Guizhou Medical University, Guiyang, Guizhou, China
| | - Lina Zhao
- Guizhou Medical University, Guiyang, Guizhou, China
- Department of Ultrasound Center, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou, China
| | | | - Chunyan Liao
- Guizhou Medical University, Guiyang, Guizhou, China
- Department of Ultrasound Center, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou, China
| | - Yao Yuan
- Guizhou Medical University, Guiyang, Guizhou, China
| | - Hongjuan Cao
- Guizhou Medical University, Guiyang, Guizhou, China
| | - Aiyue Li
- Guizhou Medical University, Guiyang, Guizhou, China
| | - Weidan Zeng
- Guizhou Medical University, Guiyang, Guizhou, China
| | - Sha Li
- Guizhou Medical University, Guiyang, Guizhou, China
| | - Bei Zhang
- Guizhou Medical University, Guiyang, Guizhou, China
- Department of Ultrasound Center, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou, China
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Zhang C, Jiang S, Wang J, Wu X, Ke L. Development and validation a nomogram for predicting new-onset postoperative atrial fibrillation following pulmonary resection. BMC Surg 2024; 24:43. [PMID: 38297276 PMCID: PMC10829272 DOI: 10.1186/s12893-024-02331-4] [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: 07/22/2023] [Accepted: 01/23/2024] [Indexed: 02/02/2024] Open
Abstract
BACKGROUND The new-onset postoperative atrial fibrillation (NOPAF) following pulmonary resection is a common clinical concern. The aim of this study was to construct a nomogram to intuitively predict the risk of NOPAF and offered protective treatments. METHODS Patients who underwent pulmonary resection between January 2018 and December 2020 were consecutively enrolled. Forward stepwise multivariable logistic regression analyses were used to screen independent predictors, and a derived nomogram model was built. The model performance was evaluated in terms of calibration, discrimination and clinical utility and validated with bootstrap resampling. RESULTS A total of 3583 patients who met the research criteria were recruited for this study. The incidence of NOPAF was 1.507% (54/3583). A nomogram, composed of five independent predictors, namely age, admission heart rate, extent of resection, laterality, percent maximum ventilation volume per minute (%MVV), was constructed. The concordance index (C-index) was 0.811. The nomogram showed substantial discriminative ability, with an area under the receiver operating characteristic curve of 0.811 (95% CI 0.758-0.864). Moreover, the model shows prominent calibration performance and higher net clinical benefits. CONCLUSION We developed a novel nomogram that can predict the risk of NOPAF following pulmonary resection, which may assist clinicians predict the individual probability of NOPAF and perform available prophylaxis. By using bootstrap resampling for validation, the optimal discrimination and calibration were demonstrated, indicating that the nomogram may have clinical practicality.
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Affiliation(s)
- Chuankai Zhang
- Department of Thoracic Surgery, The First Affiliated Hospital of USTC, Hefei, China.
- Department of Thoracic Surgery, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Anhui, Hefei, 230001, China.
| | - Songsong Jiang
- Department of Cardiology, The Affiliated Anhui Provincial Hospital of Anhui Medical University, Hefei, China
| | - Jun Wang
- Department of Thoracic Surgery, The First Affiliated Hospital of USTC, Hefei, China
- Department of Thoracic Surgery, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Anhui, Hefei, 230001, China
| | - Xianning Wu
- Department of Thoracic Surgery, The First Affiliated Hospital of USTC, Hefei, China
- Department of Thoracic Surgery, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Anhui, Hefei, 230001, China
| | - Li Ke
- Department of Thoracic Surgery, The First Affiliated Hospital of USTC, Hefei, China
- Department of Thoracic Surgery, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Anhui, Hefei, 230001, China
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Zhang RJZ, Yu XY, Wang J, Lv J, Zheng Y, Yu MH, Zang YR, Shi JW, Wang JH, Wang L, Liu ZG. A prediction model for new-onset atrial fibrillation following coronary artery bypass graft surgery: A multicenter retrospective study. Heliyon 2023; 9:e14656. [PMID: 37020944 PMCID: PMC10068116 DOI: 10.1016/j.heliyon.2023.e14656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 03/14/2023] [Accepted: 03/14/2023] [Indexed: 03/28/2023] Open
Abstract
Objective Developing and assessing a risk prediction model of postoperative atrial fibrillation (POAF) after coronary artery bypass grafting (CABG), and aims to provide a reference for the prediction and prevention. Design A retrospective case-control study. Setting Three major urban teaching and university hospitals and tertiary referral centers. Participants consecutive patients undergoing CABG. Interventions The study was retrospective and no interventions were administered to patients. Measurements and main results In the study, the overall new-onset POAF prevalence was approximately 28%. A prediction model for POAF with nine significant indicators was developed, and identified new predictors of POAF: left ventricular end diastolic diameter (LVEDD), intraoperative defibrillation, and intraoperative temporary pacing lead implantation. The model had good discrimination in both the derivation and validation cohorts, with the area under the receiver operating characteristic curves (AUCs) of 0.621 (95% CI = 0.602-0.640) and 0.616 (95% CI = 0.579-0.651), respectively, and showed good calibration. Compared with CHA2DS2-VASc, HATCH score, and the prediction model of POAF after CABG developed based on a small sample of clinical data from a single center in China, the model in this study had better discrimination. Conclusion We have developed and validated a new prediction model of POAF after CABG using multicenter data that can be used in the clinic for early identification of high-risk patients of POAF, and to help effectively prevent POAF in postoperative patients.
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Affiliation(s)
- Ren-Jian-Zhi Zhang
- Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Graduate School of Peking Union Medical College, Tianjin, 300457, China
| | - Xin-Yi Yu
- Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Graduate School of Peking Union Medical College, Tianjin, 300457, China
| | - Jing Wang
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 6913114, China
| | - Jian Lv
- Department of Cardiovascular Surgery, Nanyang Central Hospital, Nanyang, 473005, China
| | - Yan Zheng
- First School of Clinical Medicine, Lanzhou University, Lanzhou, 730013, China
| | - Ming-Huan Yu
- Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Graduate School of Peking Union Medical College, Tianjin, 300457, China
| | - Yi-Rui Zang
- Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Graduate School of Peking Union Medical College, Tianjin, 300457, China
| | - Jian-Wei Shi
- Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Graduate School of Peking Union Medical College, Tianjin, 300457, China
| | - Jia-Hui Wang
- Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Graduate School of Peking Union Medical College, Tianjin, 300457, China
| | - Li Wang
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 6913114, China
| | - Zhi-Gang Liu
- Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences & Graduate School of Peking Union Medical College, Tianjin, 300457, China
- Corresponding author.
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Parise O, Parise G, Vaidyanathan A, Occhipinti M, Gharaviri A, Tetta C, Bidar E, Maesen B, Maessen JG, La Meir M, Gelsomino S. Machine Learning to Identify Patients at Risk of Developing New-Onset Atrial Fibrillation after Coronary Artery Bypass. J Cardiovasc Dev Dis 2023; 10:jcdd10020082. [PMID: 36826578 PMCID: PMC9962068 DOI: 10.3390/jcdd10020082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 01/18/2023] [Accepted: 02/10/2023] [Indexed: 02/17/2023] Open
Abstract
BACKGROUND This study aims to get an effective machine learning (ML) prediction model of new-onset postoperative atrial fibrillation (POAF) following coronary artery bypass grafting (CABG) and to highlight the most relevant clinical factors. METHODS Four ML algorithms were employed to analyze 394 patients undergoing CABG, and their performances were compared: Multivariate Adaptive Regression Spline, Neural Network, Random Forest, and Support Vector Machine. Each algorithm was applied to the training data set to choose the most important features and to build a predictive model. The better performance for each model was obtained by a hyperparameters search, and the Receiver Operating Characteristic Area Under the Curve metric was selected to choose the best model. The best instances of each model were fed with the test data set, and some metrics were generated to assess the performance of the models on the unseen data set. A traditional logistic regression was also performed to be compared with the machine learning models. RESULTS Random Forest model showed the best performance, and the top five predictive features included age, preoperative creatinine values, time of aortic cross-clamping, body surface area, and Logistic Euro-Score. CONCLUSIONS The use of ML for clinical predictions requires an accurate evaluation of the models and their hyperparameters. Random Forest outperformed all other models in the clinical prediction of POAF following CABG.
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Affiliation(s)
- Orlando Parise
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre, Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
- Department of Cardiac Surgery, Universitair Ziekenhuis Brussel, Laarbeeklaan 101, 1090 Brussels, Belgium
- Correspondence:
| | - Gianmarco Parise
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre, Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
| | | | | | - Ali Gharaviri
- Institute of Computational Science, Università della Svizzera Italiana, 6900 Lugano, Switzerland
| | - Cecilia Tetta
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre, Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
| | - Elham Bidar
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre, Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
| | - Bart Maesen
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre, Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
| | - Jos G. Maessen
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre, Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
| | - Mark La Meir
- Department of Cardiac Surgery, Universitair Ziekenhuis Brussel, Laarbeeklaan 101, 1090 Brussels, Belgium
| | - Sandro Gelsomino
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre, Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
- Department of Cardiac Surgery, Universitair Ziekenhuis Brussel, Laarbeeklaan 101, 1090 Brussels, Belgium
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Zhang RJZ, Yu XY, Wang J, Lv J, Yu MH, Wang L, Liu ZG. Comparison of in-hospital outcomes after coronary artery bypass graft surgery in elders and younger patients: a multicenter retrospective study. J Cardiothorac Surg 2023; 18:53. [PMID: 36726146 PMCID: PMC9893615 DOI: 10.1186/s13019-023-02163-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 01/24/2023] [Indexed: 02/03/2023] Open
Abstract
OBJECTIVES We aimed to identify in-hospital outcomes in young (≤ 65 years) and old (> 65 years) patients after coronary artery bypass grafting (CABG) by analyzing the effect of age on adverse events after on-pump or off-pump CABG. METHODS Patients older than 65 years were defined as older patients and others were defined as younger patients. The qualitative data were compared by chi-square or Fisher's exact tests. The quantitative data were compared by the two-sample independent t-test or Mann-Whitney U test. Multifactor binary logistic regression was used to control for confounders and to investigate the effect of age on dichotomous outcome variables such as death. RESULTS In the on-pump CABG population, the postoperative in-hospital mortality, the incidence of postoperative symptomatic cerebral infarction (POSCI) and postoperative atrial fibrillation (POAF) was higher in older patients than in younger patients (P value < 0.05), and age > 65 years was associated with postoperative in-hospital mortality (OR = 2.370, P value = 0.031), POSCI (OR = 5.033, P value = 0.013), and POAF (OR = 1.499, P value < 0.001). In the off-pump CABG population, the incidence of POAF was higher in older patients than in younger patients (P value < 0.05), and age > 65 years was associated with POAF (OR = 1.392, P value = 0.011). CONCLUSION In-hospital outcomes after CABG are strongly influenced by age. In on-pump CABG, the risk of postoperative death, POSCI, and POAF was higher in older patients, and in off-pump CABG, the risk of POAF was higher in older patients.
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Affiliation(s)
- Ren-Jian-Zhi Zhang
- grid.506261.60000 0001 0706 7839Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 61, Third Avenue, TEDA, Tianjin, China
| | - Xin-Yi Yu
- grid.506261.60000 0001 0706 7839Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 61, Third Avenue, TEDA, Tianjin, China
| | - Jing Wang
- grid.412633.10000 0004 1799 0733Department of Cardiovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jian Lv
- Department of Cardiovascular Surgery, Nanyang Central Hospital, Nanyang, China
| | - Ming-Huan Yu
- grid.506261.60000 0001 0706 7839Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 61, Third Avenue, TEDA, Tianjin, China
| | - Li Wang
- grid.412633.10000 0004 1799 0733Department of Cardiovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zhi-Gang Liu
- grid.506261.60000 0001 0706 7839Department of Cardiovascular Surgery, TEDA International Cardiovascular Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 61, Third Avenue, TEDA, Tianjin, China
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Gong J, Wei Y, Zhang Q, Tang J, Chang Q. Nomogram predicts atrial fibrillation after coronary artery bypass grafting. BMC Cardiovasc Disord 2022; 22:388. [PMID: 36042409 PMCID: PMC9429785 DOI: 10.1186/s12872-022-02824-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 08/16/2022] [Indexed: 11/12/2022] Open
Abstract
Objective Using the nomogram to intuitively predict atrial fibrillation after coronary artery bypass grafting. Identify high-risk patients with atrial fibrillation and provide preoperative protective therapy. Methods A total of 397 patients that underwent coronary artery bypass grafting were consecutively enrolled. Independent predictors of patients were analyzed by multivariate logistic regression. Two nomograms were constructed to predict postoperative atrial fibrillation. Results The incidence of postoperative atrial fibrillation in this study was 29% (115/397). Multivariate Logistic showed that Age, Operative Time > 4 h, Left Atrial Diameter > 40 mm, Mean Arterial Pressure, Body Mass Index > 23 kg/m2, Insulins, and Statins were independently associated with atrial fibrillation after isolated coronary artery bypass grafting. The nomogram of postoperative atrial fibrillation in patients was constructed using total predictor variables (AUC = 0.727, 95% CI 0.673–0.781). The model was internally validated (AUC = 0.701) by K-fold Cross-validation resampling (K = 5, Times = 400). To make an early intervention, the intraoperative information of the patients was excluded. Only 6 variables before surgery were used to establish the brief nomogram to predict postoperative atrial fibrillation (AUC = 0.707, 95% CI 0.651–0.764). The brief model was internally validated (AUC = 0.683) by resampling with K-fold Cross-validation resampling. Conclusions These two nomograms could be used to predict patients at high risk for atrial fibrillation after isolated coronary artery bypass grafting.
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Affiliation(s)
- Jingshuai Gong
- Department of Cardiovascular Surgery, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, 266003, China
| | - Yangyan Wei
- Department of Cardiovascular Surgery, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, 266003, China
| | - Qian Zhang
- Department of Cardiovascular Surgery, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, 266003, China
| | - Jiwen Tang
- Department of Cardiovascular Surgery, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, 266003, China
| | - Qing Chang
- Department of Cardiovascular Surgery, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, 266003, China.
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Yavuz S, Engin M. Preoperative predictors of postoperative atrial fibrillation in patients undergoing cardiopulmonary bypass. J Card Surg 2022; 37:1651-1653. [DOI: 10.1111/jocs.16406] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 03/03/2022] [Indexed: 12/22/2022]
Affiliation(s)
- Senol Yavuz
- Department of Cardiovascular Surgery, Bursa Medical Faculty, Bursa Yuksek Ihtisas Training and Research Hospital University of Health Sciences Bursa Turkey
| | - Mesut Engin
- Department of Cardiovascular Surgery, Bursa Medical Faculty, Bursa Yuksek Ihtisas Training and Research Hospital University of Health Sciences Bursa Turkey
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