24 results on '"Pan, Zhengxia"'
Search Results
2. Experience of diagnosis and treatment of 31 H-type tracheoesophageal fistula in a single clinical center.
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Dai, Jiangtao, Pan, Zhengxia, Wang, Quan, Wu, Yuhao, Wang, Junke, Wang, Gang, Wu, Chun, and Wang, Yi
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CONGENITAL disorders , *TRACHEA , *ESOPHAGUS , *BRONCHOSCOPY , *ESOPHAGOSCOPY , *ESOPHAGEAL surgery , *TRACHEAL surgery , *RESEARCH funding , *TRACHEAL fistula , *RETROSPECTIVE studies , *SURGICAL anastomosis , *DIAGNOSIS ,ESOPHAGEAL atresia - Abstract
Objective: To summarize the experience of the diagnosis and treatment of 31 H-type tracheoesophageal fistula (TEF) at the Children's Hospital of Chongqing Medical University, Chongqing, China.Methods: A total of 31 patients with H-type TEF were enrolled in this retrospective study from January 2000 to July 2017, and the diagnosis and treatment of the disease were analyzed and summarized.Results: Iodine oil examination of the esophagus, fiberoptic bronchoscopy combined with esophagoscopy and three-dimensional computed tomography (3-D CT) reconstruction of the trachea and esophagus was used separately in 31 patients. 1 patient who had his TEF ligatured directly experienced recurrence 1 month after surgery, but recovered after TEF suturing. Subsequently, the remaining 30 patients were treated by suturing after TEF excision. All patients were followed up for 3 months-2 years and did not suffer from anastomosis orifice stenosis, gastroesophageal reflux, and a recurrent respiratory tract infection. Three patients exhibited vocal cord paralysis and improved spontaneously after a follow-up of 3-6 months.Conclusion: H-type TEF is diagnosed by iodine oil examination of the esophagus, fiberoptic bronchoscopy combined with esophagoscopy, and 3-D CT reconstruction of the trachea and esophagus. Excision and suturing of the TEF separately are an effective treatment for the disease and are an excellent outcome. [ABSTRACT FROM AUTHOR]- Published
- 2018
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3. Transesophageal echocardiography-guided percutaneous patent ductus arteriosus closure without fluoroscopy.
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Wang, Gang, Wu, Yuhao, Pan, Zhengxia, Wu, Chun, Li, Yonggang, Li, Hongbo, Wang, Quan, Liu, Bo, and Dai, Jiangtao
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PATENT ductus arteriosus , *FLUOROSCOPY , *FEMORAL vein , *TRANSESOPHAGEAL echocardiography , *LENGTH of stay in hospitals , *DUCTUS arteriosus - Abstract
Objectives: A retrospective study was performed to summarize the experience of transcatheter closure of patent ductus arteriosus (PDA) through the right femoral vein under the guidance of transesophageal echocardiography (TEE). Methods: From January 2019 to September 2021, 75 children who underwent PDA closure through the right femoral vein under the guidance of TEE were included. The guide wire and delivery sheath were inserted through the ductus arteriosus into the descending aorta via the right femoral vein, and the occluder was subsequently deployed. After discharge, all patients were required for outpatient follow-ups at 1, 3, 6 and 12 months. Results: In this group, patients were older than 10 months of age and body weight greater than 8 kg. Among 75 cases with PDA, 63 were tubular type and 12 were conical type. The mean operative time was 40.2 ± 7.3 min. The size of PDA occluder ranged from 4–6 to 12–14 mm. The mean hospital stay was 5.5 ± 0.5 days. One month after discharge, there were 4 cases with a mild residual shunt. Eventually, the residual shunt was not observed during 3, 6, and 12 months of follow-up. Conclusions: PDA closure under the guidance of TEE can be performed through the right femoral vein successfully and effectively. This procedure has no contrast agent usage, radiation exposure, or open incisions. [ABSTRACT FROM AUTHOR]
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- 2023
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4. Transesophageal echocardiography-guided percutaneous patent ductus arteriosus closure without fluoroscopy.
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Wang, Gang, Wu, Yuhao, Pan, Zhengxia, Wu, Chun, Li, Yonggang, Li, Hongbo, Wang, Quan, Liu, Bo, and Dai, Jiangtao
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PATENT ductus arteriosus , *FLUOROSCOPY , *FEMORAL vein , *TRANSESOPHAGEAL echocardiography , *LENGTH of stay in hospitals , *DUCTUS arteriosus - Abstract
Objectives: A retrospective study was performed to summarize the experience of transcatheter closure of patent ductus arteriosus (PDA) through the right femoral vein under the guidance of transesophageal echocardiography (TEE). Methods: From January 2019 to September 2021, 75 children who underwent PDA closure through the right femoral vein under the guidance of TEE were included. The guide wire and delivery sheath were inserted through the ductus arteriosus into the descending aorta via the right femoral vein, and the occluder was subsequently deployed. After discharge, all patients were required for outpatient follow-ups at 1, 3, 6 and 12 months. Results: In this group, patients were older than 10 months of age and body weight greater than 8 kg. Among 75 cases with PDA, 63 were tubular type and 12 were conical type. The mean operative time was 40.2 ± 7.3 min. The size of PDA occluder ranged from 4–6 to 12–14 mm. The mean hospital stay was 5.5 ± 0.5 days. One month after discharge, there were 4 cases with a mild residual shunt. Eventually, the residual shunt was not observed during 3, 6, and 12 months of follow-up. Conclusions: PDA closure under the guidance of TEE can be performed through the right femoral vein successfully and effectively. This procedure has no contrast agent usage, radiation exposure, or open incisions. [ABSTRACT FROM AUTHOR]
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- 2023
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5. LncRNA DANCR silence inhibits SOX5-medicated progression and autophagy in osteosarcoma via regulating miR-216a-5p.
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Pan, Zhengxia, Wu, Chun, Li, Yonggang, Li, Hongbo, An, Yong, Wang, Gang, Dai, Jiangtao, and Wang, Quan
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CANCER cell migration , *BONE cancer , *CHILDHOOD cancer , *POLYMERASE chain reaction , *OSTEOSARCOMA - Abstract
Osteosarcoma (OS) is the most common type of bone cancer in children and adolescents. LncRNA differentiation antagonizing nonprotein coding RNA (DANCR) has been reported to be aberrant expression in osteosarcoma and contribute to proliferation, migration and invasion of cancer cells. Here, we further explore the exacted molecular mechanism of DANCR in OS. The expression of DANCR, microRNA-216a-5p (miR-216a-5p) and SOX5 was analyzed by quantitative real-time polymerase chain reaction (qRT-PCR). Cells proliferation and apoptosis were analyzed by WST-1assay or flow cytometry, respectively. The migratory and invasion abilities were measured by transwell assay. Western blot was used to detect the level of SOX5 and autophagy-related protein of Beclin1, LC3-I and LC3-II. The interaction among DANCR, miR-216a-5p and SOX5 was explored by luciferase reporter assay, RIP assay or Pull-down assay. Murine xenograft model was established using 143B cells transfected with sh-DANCR. We found that a significantly elevated of DNACR was detected in osteosarcoma tissue and cell lines. Functional experiments suggested that down-regulation of DANCR inhibited cells proliferation, migration, invasion and autophagy but induced apoptosis in osteosarcoma in vitro. Additionally, we also determined knockdown of DANCR inhibited the growth and autophagy of osteosarcoma in vivo. DANCR was a sponge of miR-216a-5p activity. DANCR regulated survival of osteosarcoma through targeting miR-216a-5p. Additionally, SOX5 was a direct target of miR-216a-5p, overexpression miR-216a-5p exerted inhibition effects via down-regulating SOX5 expression. Furthermore, DANCR regulated SOX5 expression by sponging to miR-216a-5p. In conclusion, LncRNA DANCR silence inhibits SOX5-medicated progression and autophagy in osteosarcoma via regulating miR-216a-5p which indicating DANCR may act as a potential prognostic biomarker and therapeutic target for osteosarcoma. [ABSTRACT FROM AUTHOR]
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- 2020
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6. A real-world study of foreign body aspiration in children with 4227 cases in Western China.
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Wang, Quan, Kong, Xiangpan, Wang, Gang, Dai, Jiangtao, Li, Yonggang, Wu, Chun, Pan, Zhengxia, He, Ling, and Li, Hongbo
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FOREIGN bodies , *SERVER farms (Computer network management) , *CAREGIVERS , *PEDIATRIC clinics , *CLINICAL epidemiology , *PROGRESSION-free survival , *BIG data - Abstract
The early diagnosis and treatment of foreign body aspiration (FBA) can significantly improve the overall prognosis of children. There are significant differences in the epidemiology and clinical characteristics of FBA in different regions. Therefore, we conducted a real-world study in the western region of China with over 4000 patients. The aim of this study was to improve the understanding of FBA in terms of its types, the specific months of its occurrence, and the distribution of primary caregiver characteristics in western China. We collected the clinical and epidemiological data of children who were diagnosed with FBA in our hospital over the past 20 years through a big data centre. We matched the data of healthy children who underwent routine physical examinations at the paediatric health clinic during the same period to analyse the differences in the data of actual guardians. A total of 4227 patients from five provinces were included in this study. Foreign bodies were removed by rigid bronchoscopy in 99.4% (4202/4227) of patients, with a median age of 19 months and a median surgical duration 16 min. January was the most common month of onset for 1725 patients, followed by February, with 1027 patients. The most common types of foreign objects were melon peanuts, seeds and walnuts, accounting for 47.2%, 15.3%, and 10.2%, respectively. In the FBA group, the proportion of grandparents who were primary caregivers was 70.33% (2973/4227), which was significantly greater than the 63.05% in the healthy group (2665/4227) (P < 0.01). FBA most commonly occurs in January and February. More than 60% of FBAs occur between the ages of 1 and 2 years, and the incidence of FBA may be greater in children who are cared for by grandparents. A rigid bronchoscope can be used to remove most aspirated foreign bodies in a median of 16 min. [ABSTRACT FROM AUTHOR]
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- 2024
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7. Emergency surgery without stabilization prior to surgical repair for total anomalous pulmonary venous connection reduces duration of mechanical ventilation without reducing survival.
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Xi, Linyun, Wu, Chun, Pan, Zhengxia, and Xiang, Ming
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ARTIFICIAL respiration , *SURGICAL emergencies , *SURVIVAL rate , *PROGRESSIVE collapse , *TRICUSPID valve , *ARRHYTHMIA - Abstract
Background: To examine two different operation timing for treating patients with a total anomalous pulmonary venous connection (TAPVC) who need emergency surgery and to summarize the effects of the two operation strategies.Methods: A retrospective review of 54 patients with TAPVC who underwent operations within 72 h of presentation between December 2010 and July 2019 at a single institution was conducted. All patients exhibited respiratory or hemodynamic instability that required mechanical ventilation and inotropic support. Forty-four patients received emergency operations between 24 to 72 h due to stabilization of the patient's condition. Stable hemodynamics were achieved, and a stable internal milieu was maintained before the operation. These patients comprised the Stable group (SG). Rather than being subjected to efforts to obtain stable hemodynamics and maintain a stable internal milieu, ten patients received emergency operations immediately within 24 h of diagnosis or an emergency operation is performed immediately due to uncorrectable acidosis or progressive cardiovascular collapse. These patients comprised the Unstable group (UG). The hospital course, operative data, and outpatient records were reviewed.Results: In SG group, there were 23 exhibited the supracardiac type, 15 exhibited the cardiac type, 4 exhibited the cardiac type, and 2 exhibited the mixed cardiac type,3 patients were premature, the rest was term infant, PDA was the most common comorbidities (28 patients), the next is severe tricuspid valve regurgitation (21 patients). In UG group, there were 3 exhibited the supracardiac type, 4 exhibited the cardiac type, 3 exhibited the cardiac type, and no patient exhibited the mixed cardiac type, only 1 patient was premature, the rest were term infant. PDA (6 patients) and severe tricuspid valve regurgitation (5 patients) were the top two comorbidities. The median weight, median age at surgery, mean cardiopulmonary bypass (CPB) duration and mean aortic cross-clamp (ACC) duration were not significantly different between the two groups. The median postoperation durations of ventilator support were 8.1 ± 4.6 (2-13) days in the SG group and 4.9 ± 2.1 (2-18) days in the UG group, resulting in a significant difference (p = 0.008), the Post-op days in ICU and Days of hospitalization were 8.64 ± 4.04 days and 19.9 ± 4.27 days in the SG group and 5.6 ± 2.01 days and 14.7 ± 1.75 days in the UG group (P = 0.026 and 0.002). There were 12 hospital mortalities (27.3%) in the SG group and 2 hospital mortalities (20%) in the UG group, resulting in no significant difference in mortality (p = 0.636). Postoperative complications, such as low cardiac output and arrhythmia, were not significantly different between the two groups. The survival rates in the UG and SG groups at 5 years were 87.5 and 89.9%, respectively. There was no difference in survival between the two groups at the latest follow-up (SG group 89.9% versus UG group 87.5%, p = 0.8115).Conclusion: An emergency operation should be performed immediately without any delay, it can reduce duration of mechanical ventilation and Days of hospitalization without reducing mortality. [ABSTRACT FROM AUTHOR]- Published
- 2021
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8. Polystyrene nanoplastics lead to ferroptosis in the lungs.
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Wu, Yuhao, Wang, Junke, Zhao, Tianxin, Sun, Mang, Xu, Maozhu, Che, Siyi, Pan, Zhengxia, Wu, Chun, and Shen, Lianju
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LUNGS , *POLYSTYRENE , *BIODEGRADABLE plastics , *EPITHELIAL cells , *HEMATOXYLIN & eosin staining , *LUNG injuries , *REACTIVE oxygen species - Abstract
[Display omitted] • The specific mechanisms of PS-NP-induced pulmonary injury are unclear. • A mouse model of lung injury is created based on the real-world NP exposure in human. • PS-NP exposure induces ferroptosis in lung tissues and bronchial epithelial cells. • HIF-1α inhibition rescues PS-NP-induced ferroptosis in bronchial epithelial cells. • PS-NP exposure induces ferroptosis via the HIF-1α/HO-1 signaling pathway in lungs. It has been shown that polystyrene nanoplastic (PS-NP) exposure induces toxicity in the lungs. This study aims to provide foundational evidence to corroborate that ferroptosis and abnormal HIF-1α activity are the main factors contributing to pulmonary dysfunction induced by PS-NP exposure. Fifty male and female C57BL/6 mice were exposed to distilled water or 100 nm or 200 nm PS-NPs via intratracheal instillation for 7 consecutive days. Hematoxylin and eosin (H&E) and Masson trichrome staining were performed to observe the histomorphological changes in the lungs. To clarify the mechanisms of PS-NP-induced lung injury, we used 100 μg/ml, 200 μg/ml and 400 μg/ml 100 or 200 nm PS-NPs to treat the human lung bronchial epithelial cell line BEAS-2B for 24 h. RNA sequencing (RNA-seq) of BEAS-2B cells was performed following exposure. The levels of glutathione, malondialdehyde, ferrous iron (Fe2+), and reactive oxygen species (ROS) were measured. The expression levels of ferroptotic proteins were detected in BEAS-2B cells and lung tissues by Western blotting. Western blotting, immunohistochemistry, and immunofluorescence were used to evaluate the HIF-1α/HO-1 signaling pathway activity. H&E staining revealed substantial perivascular lymphocytic inflammation in a bronchiolocentric pattern, and Masson trichrome staining demonstrated critical collagen deposits in the lungs after PS-NP exposure. RNA-seq revealed that the differentially expressed genes in PS-NP-exposed BEAS-2B cells were enriched in lipid metabolism and iron ion binding processes. After PS-NP exposure, the levels of malondialdehyde, Fe2+, and ROS were increased, but glutathione level was decreased. The expression levels of ferroptotic proteins were altered significantly. These results verified that PS-NP exposure led to pulmonary injury through ferroptosis. Finally, we discovered that the HIF-1α/HO-1 signaling pathway played an important role in regulating ferroptosis in the PS-NP-exposed lung injury. PS-NP exposure caused ferroptosis in bronchial epithelial cells by activating the HIF-1α/HO-1 signaling pathway, and eventually led to lung injury. [ABSTRACT FROM AUTHOR]
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- 2024
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9. Pulmonary infection after cardiopulmonary bypass surgery in children: a risk estimation model in China.
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Ren, Chunnian, Wu, Chun, Pan, Zhengxia, Wang, Quan, and Li, Yonggang
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LUNG infections , *PEDIATRIC surgery , *RECEIVER operating characteristic curves , *CORONARY care units , *CARDIAC intensive care , *CARDIOPULMONARY bypass , *PNEUMONIA , *CARDIAC surgery , *INTENSIVE care units , *CONGENITAL heart disease , *PHARMACOKINETICS , *RISK assessment , *STATISTICAL models ,RESEARCH evaluation - Abstract
Objectives: The occurrence of pulmonary infection after congenital heart disease (CHD) surgery can lead to significant increases in intensive care in cardiac intensive care unit (CICU) retention time, medical expenses, and risk of death risk. We hypothesized that patients with a high risk of pulmonary infection could be screened out as early after surgery. Hence, we developed and validated the first risk prediction model to verify our hypothesis.Methods: Patients who underwent CHD surgery from October 2012 to December 2017 in the Children's Hospital of Chongqing Medical University were included in the development group, while patients who underwent CHD surgery from December 2017 to October 2018 were included in the validation group. The independent risk factors associated with pulmonary infection following CHD surgery were screened using univariable and multivariable logistic regression analyses. The corresponding nomogram prediction model was constructed according to the regression coefficients. Model discrimination was evaluated by the area under the receiver operating characteristic curve (ROC) (AUC), and model calibration was conducted with the Hosmer-Lemeshow test.Results: The univariate and multivariate logistic regression analyses identified the following six independent risk factors of pulmonary infection after cardiac surgery: age, weight, preoperative hospital stay, risk-adjusted classification for congenital heart surgery (RACHS)-1 score, cardiopulmonary bypass time and intraoperative blood transfusion. We established an individualized prediction model of pulmonary infection following cardiopulmonary bypass surgery for CHD in children. The model displayed accuracy and reliability and was evaluated by discrimination and calibration analyses. The AUCs for the development and validation groups were 0.900 and 0.908, respectively, and the P-values of the calibration tests were 0.999 and 0.452 respectively. Therefore, the predicted probability of the model was consistent with the actual probability.Conclusions: Identified the independent risk factors of pulmonary infection after cardiopulmonary bypass surgery. An individualized prediction model was developed to evaluate the pulmonary infection of patients after surgery. For high-risk patients, after surgery, targeted interventions can reduce the risk of pulmonary infection. [ABSTRACT FROM AUTHOR]- Published
- 2021
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10. Minimally invasive closure of transthoracic ventricular septal defect: postoperative complications and risk factors.
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Ren, Chunnian, Wu, Chun, Pan, Zhengxia, and Li, Yonggang
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VENTRICULAR septal defects , *PREOPERATIVE risk factors , *LOGISTIC regression analysis , *PERICARDIAL effusion , *CHILDREN'S hospitals , *PERICARDIUM paracentesis - Abstract
Objectives: To summarize and analyze the clinical characteristics of postoperative complications after minimally invasive closure of transthoracic ventricular septal defect, and to explore the risk factors for its occurrence.Methods: Retrospectively analyzed the clinical data of 209 patients underwent transthoracic ventricular septal defect closure performed in the Department of Cardiothoracic Surgery, Children's Hospital of Chongqing Medical University from January 2018 to January 2020, obtained relevant clinical data from the electronic medical record system and summarized their postoperative complications. And used univariate logistics regression and multivariate logistics regression to analyze the risk factors of its occurrence.Results: The postoperative hospital stay of 27 patients was longer than 9 days. Residual shunt occurred in 33 patients recently after operation. One patient underwent surgical treatment again because of mechanical hemolysis after the operation. Two patients were re-operated 1 month and 10 months after surgery because of persistent moderate to severe aortic regurgitation. After surgery, 3 patients underwent pericardiocentesis due to a large amount of pericardial effusion, and 2 patients developed a new atrioventricular block after the operation. No other serious adverse events occurred. Multivariate logistic regression analysis showed that the size of VSD defect (OR: 1.494, 95% Cl: 1.108-2.013, P value: 0.008) was related to long postoperative hospitalization. The residual shunt is related to the size of the occluder (OR: 1.452, 95%Cl: 1.164-1.810, P value: 0.001). In the univariate logistics regression analysis, no risk factors related to serious adverse events were found.Conclusions: The minimally invasive closure of transthoracic ventricular septal defect is very effective, with no mortality and low incidence of serious adverse events after surgery. The size of the defect is related to the long postoperative hospitalization, and the size of the occluder is related to the residual shunt in the early postoperative period. No risk factors related to the occurrence of serious adverse events after the operation were found. [ABSTRACT FROM AUTHOR]- Published
- 2021
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11. Mixed type of total anomalous pulmonary venous connection: diagnosis, surgical approach and outcomes.
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Xiang, Ming, Wu, Chun, Pan, Zhengxia, Wang, Quan, and Xi, Linyun
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HOSPITAL mortality , *COMPUTED tomography , *RATINGS of hospitals , *PULMONARY veins , *DIAGNOSIS - Abstract
Purpose: To summarize the diagnosis and treatment of 13 patients with mixed-type total anomalous pulmonary venous connection (TAPVC) and propose another classification for mixed TAPVC.Methods: A retrospective review of 13 patients with mixed TAPVC undergoing repair at a single institution was conducted between January 2010 and November 2019. The diagnosis of mixed-type TAPVC was made in all patients using echocardiography combined with computed tomography angiography. According to the mixed TAPVC anatomy, there were 3 patients with type I TAPVC (2 + 2 veins), 10 patients with type II TAPVC (3 + 1 veins) and no patients with type III TAPVC. Correspondingly, there was 1 patient with the "SVC + VV" subtype, 2 patients with the "CS + C" subtype, 8 patients with the "CS + VV" subtype, 1 patient with the "CS + SVC" subtype and 1 patient with the "RA + SVC" subtype according to our classification system. All patients underwent cardiopulmonary bypass surgery.Results: The median weight at surgery was 4.6 ± 1.0 kg (3.4-7.3 kg), and the median age at surgery was 96.2 ± 81.2 days (10-242 days). The median cardiopulmonary bypass time was 132.7 ± 25.1 min (range, 100 to 190 min). The cross-clamping time was 69.2 ± 14.4 min (range, 45 to 88 min). The hospital mortality rate was 7.7% (1 of 13), with late mortality occurring in 1 patient because of pulmonary venous obstruction (PVO) 7 months after surgery. The average follow-up after surgery was 3.4 ± 2.2 years (range, 5 months to 8 years). The survival rates at 3 and 5 years were both 90.9% ± 8.7% (95% CI: 73.8-108%). All remaining surviving patients were asymptomatic.Conclusion: Mixed TAPVC can be repaired with good results in children and can be correctly diagnosed with echocardiography combined with computed tomography angiography. The classification system we propose is pragmatic and can guide the surgical approach. [ABSTRACT FROM AUTHOR]- Published
- 2020
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12. Simultaneous repair of congenital heart defects and pectus excavatum in young children.
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Wang, Junke, Wang, Quan, and Pan, Zhengxia
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CONGENITAL heart disease in children , *PECTUS excavatum , *CARDIAC surgery , *HEALTH outcome assessment , *CHILD patients , *THERAPEUTICS , *CONGENITAL heart disease , *RESEARCH funding , *SURGICAL complications , *RETROSPECTIVE studies , *SURGERY ,STERNUM surgery - Abstract
Purpose: The present study was undertaken to summarize our experience with the concurrent repair of pectus excavatum (PE) and congenital heart defects in young children over the past 15 years.Methods: A retrospective study was conducted that included patients who underwent combined repair of PE and a congenital heart defect in a large clinical center between 2002 and 2017. Intraoperative and postoperative patient characteristics, postoperative complications and surgical outcomes were recorded.Results: Twenty-one patients met the inclusion criteria. An open heart surgery and a modified sternal elevation with anterior sternal suspension were performed. No intraoperative complications occurred. Postoperatively, three patients developed pneumonia, two patients developed subcutaneous effusions, one patient sustained an asymptomatic pneumothorax, and one other patient had a transitory fever. In all cases, postoperative recovery was uneventful, and no perioperative mortality occurred. Bar removal was performed in 19 patients at an average of 2.55 years postoperatively: 18 of them achieved an excellent outcome, and 1 patient had a good final result.Conclusion: A combined procedure of modified sternal elevation and cardiac repair may be performed safely in young children. Early repair of PE is feasible and effective in these patients. [ABSTRACT FROM AUTHOR]- Published
- 2018
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13. Radiomics analysis of contrast-enhanced computed tomography in predicting the International Neuroblastoma Pathology Classification in neuroblastoma.
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Wang, Haoru, Xie, Mingye, Chen, Xin, Zhu, Jin, Zhang, Li, Ding, Hao, Pan, Zhengxia, and He, Ling
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RADIOMICS , *COMPUTED tomography , *RECEIVER operating characteristic curves , *NEUROBLASTOMA - Abstract
Purpose: To predict the International Neuroblastoma Pathology Classification (INPC) in neuroblastoma using a computed tomography (CT)-based radiomics approach. Methods: We enrolled 297 patients with neuroblastoma retrospectively and divided them into a training group (n = 208) and a testing group (n = 89). To balance the classes in the training group, a Synthetic Minority Over-sampling Technique was applied. A logistic regression radiomics model based on the radiomics features after dimensionality reduction was then constructed and validated in both the training and testing groups. To evaluate the diagnostic performance of the radiomics model, the receiver operating characteristic curve and calibration curve were utilized. Moreover, the decision curve analysis to assess the net benefits of the radiomics model at different high-risk thresholds was employed. Results: Seventeen radiomics features were used to construct radiomics model. In the training group, radiomics model achieved an area under the curve (AUC), accuracy, sensitivity, and specificity of 0.851 (95% confidence interval (CI) 0.805–0.897), 0.770, 0.694, and 0.847, respectively. In the testing group, radiomics model achieved an AUC, accuracy, sensitivity, and specificity of 0.816 (95% CI 0.725–0.906), 0.787, 0.793, and 0.778, respectively. The calibration curve indicated that the radiomics model was well fitted in both the training and testing groups (p > 0.05). Decision curve analysis further confirmed that the radiomics model performed well at different high-risk thresholds. Conclusion: Radiomics analysis of contrast-enhanced CT demonstrates favorable diagnostic capabilities in distinguishing the INPC subgroups of neuroblastoma. Critical relevance statement: Radiomics features of contrast-enhanced CT images correlate with the International Neuroblastoma Pathology Classification (INPC) of neuroblastoma. Key points: Radiomics features derived from contrast-enhanced CT images are strongly associated with the INPC subgroups of neuroblastoma. Radiomics analysis of contrast-enhanced CT images can effectively distinguish between unfavorable and favorable histology of neuroblastoma. The decision curve analysis has validated the clinical utility of the radiomics model. [ABSTRACT FROM AUTHOR]
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- 2023
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14. Contrast-enhanced computed tomography radiomics in predicting primary site response to neoadjuvant chemotherapy in high-risk neuroblastoma.
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Wang, Haoru, Qin, Jinjie, Chen, Xin, Zhang, Ting, Zhang, Li, Ding, Hao, Pan, Zhengxia, and He, Ling
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NEUROBLASTOMA , *COMPUTED tomography , *NEOADJUVANT chemotherapy , *RADIOMICS , *KRUSKAL-Wallis Test - Abstract
Purpose: To explore the clinical value of contrast-enhanced computed tomography (CECT) radiomics in predicting primary site response to neoadjuvant chemotherapy in high-risk neuroblastoma. Materials and methods: Seventy patients were retrospectively included and separated into very good partial response (VGPR) group and non-VGPR group according to the changes in primary tumor volume. The clinical features with statistical difference between the two groups were used to construct the clinical models using a logistic regression (LR) algorithm. The radiomics models based on different radiomics features selected by Kruskal–Wallis (KW) test and recursive feature elimination (RFE) were established using support vector machine (SVM) and LR algorithms. The radiomics score (Radscore) and clinical features were integrated into the combined models. Leave-one-out cross-validation (LOOCV) was used to validate the predictive performance of models in the entire dataset. Results: The optimal clinical model achieved an area under the curve (AUC) of 0.767 [95% confidence interval (CI): 0.638, 0.896] and an accuracy of 0.771 after LOOCV. The AUCs of the best KW + SVM, KW + LR, RFE + SVM, and RFE + LR radiomics models were 0.816, 0.826, 0.853, and 0.850, respectively, and the corresponding AUCs after LOOCV were 0.780, 0.785, 0.755, and 0.772, respectively. The AUC and accuracy after LOOCV of the optimal combined model was 0.804 (95% CI: 0.694, 0.915) and 0.814, respectively. The Delong test showed a statistical difference in predictive performance between the optimal clinical and combined models after LOOCV (Z = 2.003, P = 0.045). The decision curve analysis showed that the combined model performs better than the clinical model. Conclusion: The CECT radiomics models have a favorable predictive performance in predicting VGPR of high-risk neuroblastoma to neoadjuvant chemotherapy. When integrating radiomics features and clinical features, the predictive performance of the combined models can be further improved. [ABSTRACT FROM AUTHOR]
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- 2023
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15. A Giant Dendritic Fibromyxolipoma in the Right Thorax: A Rare Entity.
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Li, Hongbo, Zhu, Jin, Shen, Lianju, Pan, Zhengxia, Wu, Chun, and Wu, Yuhao
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COMPUTED tomography , *IMMUNOSTAINING , *BLOOD vessels , *CD34 antigen , *FAT cells , *BENIGN tumors - Abstract
Dendritic fibromyxolipoma (DFML) is an uncommon benign tumor. We report the first DFML in the right thorax of a child. An 11-year-old girl was admitted because of a giant tumor in the right thorax. An enhanced chest CT scan indicated a thoracic mass with mild enhancement. Thoracoscopic biopsy revealed that the tumor was composed of stellate and spindle cells embedded within abundant myxoid stroma. Additionally, mature adipocytes, cytoplasmic dendritic processes, short strands of keloidal-type collagen, and plexiform blood vessels were observed. Immunohistochemical staining indicated positive for CD34 and BCL-2. DDIT3 alteration or MDM2 amplification were not observed. The diagnosis of DFML was considered, and complete tumorectomy was performed. In conclusion, definite diagnosis of DFML should be made according to the pathologic features. Accurate diagnosis is crucial to avoid overtreatment because DFML potentially can be mistaken for more aggressive neoplasms. [ABSTRACT FROM AUTHOR]
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- 2023
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16. Surgical treatment of congenital diaphragmatic hernia in a single institution.
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Li, Hua, Zhao, Shengliang, Wu, Chun, Pan, Zhengxia, Wang, Gang, and Dai, Jiangtao
- Abstract
Background: This study aimed to evaluate the effectiveness of video-assisted thoracic surgery for the treatment of congenital diaphragmatic hernia (CDH) in a larger series compared with conventional open surgery. Additionally, we summarized the experience of thoracoscopic surgery in the treatment of CDH in infants. Methods: We retrospectively analysed the clinical data of 109 children with CDH who underwent surgical treatment at the Department of Cardiothoracic Surgery of Children’s Hospital of Chongqing Medical University from January 2011 to January 2021. According to the surgical method, the children were divided into an open group (62 cases) and a thoracoscopy group (47 cases).Patients who underwent surgical correction had the diaphragmatic defect size graded (A–D) using a standardized system. We compared the operation time, intraoperative blood loss, postoperative mechanical ventilation time, postoperative hospital stay, postoperative CCU admission time and other surgical indicators as well as the recurrence rate, mortality rate and complication rate of the two groups of children. Results: The index data on the operation time, intraoperative blood loss, postoperative mechanical ventilation time, postoperative hospital stay and postoperative CCU admission time were better in the thoracoscopy group than in the open group. The difference between the two groups was statistically significant (P < 0.05). We compared the number of incision infections, lung infections, atelectasis, pleural effusion, and chylothorax between the two groups. There were more children in the open group than in the thoracoscopy group. The overall incidence of postoperative complications in the open group (51.61%) was higher than that in the thoracoscopy group (44.68%).The recurrence rate of the thoracoscopy group (8.51%) was higher than that of the open group (3.23%). In the open group, 7 patients died of respiratory distress after surgery, and no patients died in the thoracoscopy group. Conclusions: Thoracoscopic surgery and open surgery can effectively treat CDH. Compared with conventional open surgery, thoracoscopy has the advantages of shorter operation time, less trauma, faster recovery and fewer complications. We believe that thoracoscopic surgery for type A/B diaphragmatic defect has certain advantages, but there is a risk of recurrence. [ABSTRACT FROM AUTHOR]
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- 2022
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17. Quantitative susceptibility mapping shows lower brain iron content in children with attention‐deficit hyperactivity disorder.
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Tang, Shilong, Zhang, Guanping, Ran, Qiying, Nie, Lisha, Liu, Xianfan, Pan, Zhengxia, and He, Ling
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ATTENTION-deficit hyperactivity disorder , *IRON , *MAGNETIC resonance angiography , *CEREBRAL dominance , *CAUDATE nucleus - Abstract
To investigate the feasibility of quantitative susceptibility mapping in children with attention‐deficit hyperactivity disorder (ADHD), 53 children with ADHD aged 5–16 years were prospectively selected as the study group and 49 healthy children matched with age and gender were selected as the control group. All children underwent magnetic resonance imaging conventional sequence, 3D‐T1, and enhanced T2*‐weighted magnetic resonance angiography (ESWAN) sequence scanning. The iron content of brain regions was obtained through software postprocessing, and the iron content of brain regions of children with ADHD and healthy children was compared and analyzed to find out the characteristics of the iron content of brain regions of children with ADHD. The iron content in frontal lobe, globus pallidus, caudate nucleus, substantia nigra, putamen, and hippocampus of children with ADHD was lower than that of healthy children (p <.05). There was no significant difference in the content of iron in the left and right brain regions of children with ADHD (p >.05). The volume of frontal lobe and hippocampus of children with ADHD was lower than that of healthy children (p <.05). Iron content in brain areas such as globus pallidus, caudate nucleus, hippocampus, and putamen could distinguish children with ADHD (Area under curve [AUC] > 0.5, p <.05). Quantitative susceptibility mapping showed decreased iron content in some brain regions of children with ADHD. [ABSTRACT FROM AUTHOR]
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- 2022
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18. A new simplified technique in thoracoscopic repair of congenital diaphragmatic hernia.
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Li, Hua, Zhao, Shengliang, Wu, Chun, Pan, Zhengxia, Wang, Gang, Fu, Jian, and Dai, Jiangtao
- Abstract
Background: This study aims to describe a new method of repairing the diaphragm with a venipuncture indwelling needle under thoracoscopy to treat congenital diaphragmatic hernia (CDH). Methods: We retrospectively analysed the clinical data of 43 children with CDH who underwent CDH repair with new technology in our hospital. In this study, we used the venipuncture indwelling needle suture method to treat children with CDH. Results: In this study, 3 children were converted to open surgery, and the remaining 40 children achieved better clinical results. Follow-up of 43 children was performed for 1 month to 6 years. Except for two patients who relapsed after surgery, there was no recurrence after another operation. The remaining 41 children recovered well; there were no deaths or serious complications. Postoperative chest X-ray and gastrointestinal angiography showed that the abdominal organs were in a normal position. Conclusions: The use of a venipuncture indwelling needle to suture the diaphragm under thoracoscopy is a simple new technique. This method can not only improve the efficiency of sutures but also better handle the opening of the "V"-shaped defect of the diaphragm. At the same time, it has the advantages of minimal trauma, fast recovery, and improved cosmetic appearance. [ABSTRACT FROM AUTHOR]
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- 2022
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19. Experience in the Treatment of Pentalogy of Cantrell with Artificial Materials in a Single Clinical Center.
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Wang, Gang, Xi, Linyun, Li, Hongbo, Wang, Yi, Wu, Chun, Pan, Zhengxia, Li, Yonggang, Wang, Quan, and Dai, Jiangtao
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VENTRICULAR septal defects , *DOPPLER echocardiography , *ATRIAL septal defects , *PATENT ductus arteriosus , *CHILDREN'S hospitals , *DIVERTICULUM , *SURGICAL meshes , *THORACIC surgery , *CONGENITAL heart disease , *NEURAL tube defects , *RETROSPECTIVE studies , *TREATMENT effectiveness - Abstract
Objective: To summarize experience in the treatment of pentalogy of Cantrell (POC) in our hospital and explore the effect of artificial materials in repairing sternal defects.Materials and Methods: A retrospective analysis was performed on treatment of five children with POC treated by using the Gore-Tex patch and titanium mesh in the Department of Cardio-Thoracic Surgery, Children's Hospital of Chongqing Medical University, from January 2010 to January 2019.Results: The concurrent conditions included double outlet of right ventricle (n = 2), ventricular septal defect (VSD) and atrial septal defect (ASD) (n = 1), VSD and ASD and patent ductus arteriosus (n = 1), and VSD and left ventricular diverticulum (n = 1) in five cases with POC. Color Doppler echocardiography and computed tomography (CT) + three-dimensional (3D) reconstruction of the thorax and abdomen were performed preoperatively. The cardiac malformation was corrected according to color Doppler echocardiography, and a Gore-Tex patch was used to repair the pericardial defect. Titanium mesh was made according to CT 3D reconstruction with a 3D printing mold to repair sternal defects. All patients underwent a one-stage operation, all hearts were eventually repositioned, no deaths occurred after the operation, and follow-up was performed for 6 months to 2 years. The patients recovered well, and the exterior thorax was normal.Conclusion: The diagnosis of POC is not difficult. The priority of surgical treatment for POC is to obtain satisfactory corrections of cardiac malformation. The repair of the pericardial defect with the Gore-Tex patch and the sternal defect with the titanium mesh can make the heart return to the mediastinum, reduce the pressure on the heart, reduce the surgical trauma, reduce the difficulty of repairing the sternal defect, and optimally restore the exterior thorax. [ABSTRACT FROM AUTHOR]- Published
- 2022
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20. Exposure to Endocrine-Disrupting Chemicals and Congenital Heart Diseases: The Pooled Results Based on the Current Evidence.
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Dai, Jiangtao, Wang, Gang, Wu, Chun, Pan, Zhengxia, Li, Hongbo, Shen, Lianju, and Wu, Yuhao
- Abstract
The relationships between maternal exposure to endocrine-disrupting chemicals (EDCs) and congenital heart diseases (CHD) are not elucidated yet. The exposure levels of EDCs are generally estimated based on self-reported questionnaires or occupational exposure evaluations in the literature. Therefore, a study based on epidemiological data from human biospecimens is required to provide stronger evidence between maternal exposure to EDC and CHD. Embase, Pubmed, Scopus, and the Cochrane Library databases were searched for related research which provided risk estimates regarding the relationships between maternal EDC exposure and CHD in human offspring. Baseline characteristics and outcomes of CHD were extracted from each included study. Odds ratios (ORs) with 95% confidence intervals (CIs) were pooled to calculate the overall estimates of CHD. Subgroup and meta-regression analyses were performed to identify the sources of heterogeneity. Bootstrapping techniques were used in analyses where several studies originated from a similar population. A total of seventeen studies were involved in the meta-analyses. Maternal EDC exposure was significantly related to CHD in offspring (OR 2.15; 95%CI 1.64 to 2.83). EDC exposure was significantly associated with septal defects (OR 2.34; 95%CI 1.77 to 3.10), conotruncal defects (OR 2.54; 95%CI 1.89 to 3.43), right ventricular outflow tract obstruction (OR 2.65; 95%CI 1.73 to 4.07), left ventricular outflow tract obstruction (OR 3.58; 95%CI 2.67 to 4.79), anomalous pulmonary venous return (OR 2.31; 95%CI 1.34 to 4.00), and other heart defects (OR 2.49; 95%CI 1.75 to 3.54). In addition, maternal exposure to heavy metals, which included lead (OR 2.19; 95%CI 1.29 to 3.71), cadmium (OR 1.81; 95%CI 1.28 to 2.56), mercury (OR 2.23; 95%CI 1.13 to 4.44), and manganese (OR 2.65; 95%CI 1.48 to 4.74), increased risks for CHD significantly. In conclusion, based on the latest evidence, maternal EDC exposure may increase CHD risks in human offspring, especially in heavy metal exposure conditions. [ABSTRACT FROM AUTHOR]
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- 2024
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21. Experience of diagnosis and treatment of traumatic bronchial rupture in children in a single clinical center.
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Li, Yonggang, Wang, Gang, Wu, Chun, Pan, Zhengxia, Li, Hongbo, Wang, Quan, Wang, Yi, and Dai, Jiangtao
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CHILDREN'S hospitals , *DIAGNOSIS methods - Abstract
Purpose: To examine the diagnosis and treatment of traumatic bronchial rupture in children at the Children's Hospital of Chongqing Medical University, Chongqing, China. Methods: The diagnosis and treatment of eight cases of traumatic bronchial rupture were analyzed retrospectively from January 2014 to December 2019 in our hospital. Results: Diagnosis of the eight patients was clear after a chest CT with three-dimensional reconstruction techniques and fiberoptic bronchoscopy; six of the patients had a delay in diagnosis of at least 2 weeks. Among the patients, six had left bronchus rupture, and the other two had right bronchus rupture. All eight patients received surgery; seven patients received a bronchial end-to-end valgus anastomosis, and one received right middle lobe lobectomy. There were no deaths in this group, and all patients were cured and discharged. Follow-up was conducted for 3 months to 2 years; the patients who received surgery showed mild bronchostenosis within 2 weeks after the trauma, and the other six patients showed moderate bronchostenosis upon CT examination. Conclusion: Being alert to bronchial rupture after trauma in children is helpful for diagnosis. Chest CT with three-dimensional reconstruction techniques and fiberoptic bronchoscopy are the most valuable diagnostic methods. The patients can show excellent results if the operation for a continuous valgus anastomosis of the posterior wall and interrupted end-to-end valgus anastomosis of the anterior wall on the ruptured side is performed in the early stage of traumatic bronchial rupture. [ABSTRACT FROM AUTHOR]
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- 2020
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22. Diagnosis and surgical repair of congenital double aortic arch in infants.
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Yang, Yiting, Jin, Xin, Pan, Zhengxia, Li, Yonggang, and Wu, Chun
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THORACIC aorta , *ATRIAL septal defects , *TETRALOGY of Fallot , *TRANSPOSITION of great vessels , *PATENT ductus arteriosus , *VENTRICULAR septal defects , *SURGICAL diagnosis , *VASCULAR surgery , *HUMAN abnormalities - Abstract
Objectives: Double aortic arch (DAA) is a rare congenital vascular malformation. This study aims to summarize the experience of diagnosis and surgical treatment for congenital double aortic arch.Methods: The clinical data of 24 cases with double aortic arch (DAA) from January 2008 to January 2018 in our hospital was reviewed retrospectively.Results: A total of 24 cases, including 12 patients with isolated DAA and 12 patients with DAA and associated intracardiac defects were identified. There were 14 males and 10 females, with an average age of 11 months. The associated intracardiac malformations included ventricular septal defect (VSD), atrial septal defect (ASD), patent ductus arteriosus (PDA), tetralogy of Fallot (TOF), transposition of the great arteries (TGA), pulmonary stenosis (PS), and patent foramen ovale (PFO). Of the 12 patients with DAA and intracardiac malformations, 7 patients underwent intracardiac repair simultaneously, however, 3 patients underwent isolated double aortic arch correction. One patient with DAA and TGA underwent surgical correction of congenital vascular ring at the first stage, and the arterial switch operation was performed at the second stage. The clinical outcomes of 23 patients were promising, however, in one patient, parents decided not to do the surgery due to personal reasons. The average follow-up time was 35 months.Conclusions: Tracheal and esophageal compression are commonly seen in patients with DAA, however could be relieved significantly after surgery. In particular cases, the simultaneous intracardiac defects repair could be performed. Misdiagnosis was easily established with isolated echocardiography. Fortunately, the correct diagnosis of DAA and associated intracardiac defects could be established with the use of combined chest computed tomography. [ABSTRACT FROM AUTHOR]- Published
- 2019
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23. Behavioural disorders in children with pectus excavatum in China: a retrospective cohort study with propensity score matching and risk prediction model.
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Li, Hongbo, Jin, Xianqing, Fan, Shulei, Wang, Daoxin, Wu, Chun, Pan, Zhengxia, Li, Yonggang, An, Yong, Wang, Gang, Dai, Jiangtao, and Wang, Quan
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PROPENSITY score matching , *PECTUS excavatum , *PREDICTION models , *COHORT analysis , *PEDIATRIC surgery - Abstract
Download slide Download slide OBJECTIVES Surgical repair of pectus excavatum is typically carried out immediately prior to puberty. However, at the time of surgery, some psychosocial issues, such as behavioural disorders may already have developed and the likelihood of these psychosocial disorders resolving after surgery is unclear. For this reason, some surgeons choose to perform surgical repair at an earlier age in some children. The study retrospectively compares the rate of behavioural disorders in children undergoing the Nuss procedure at 4 vs. 10 years of age. We also attempted to develop a model to predict the risk of behavioural disorders in 10 year-old patients. METHODS The current study included children receiving Nuss procedure for pectus excavatum at either 4 or 10 years of age. The presence/absence of behavioural disorder was assessed preoperatively, and in the third year, after removal of the bar. A propensity score matching (PSM) analysis was conducted to reduce the potential for confounding by baseline factors. Multivariable logistic regression was conducted to establish a model to predict the risk of behavioural disorders in the third year after the removal of the bar. The model was accessed by discrimination and calibration. A formula and a nomogram were developed based on the results. RESULTS The number of patients in each group was 45 after PSM. The rate of behavioural disorders at the baseline was significantly higher in the children undergoing Nuss procedure at 10 years of age [36% vs 20%, odds ratio (OR) 2.21, 95% confidence interval (CI) 0.85–5.72; P = 0.157]. The rate of behavioural disorders in the third year after the removal of the bar was 36% and 18% in children undergoing surgery at 10 and 4 years of age, respectively (OR 2.55, 95% CI 0.96–6.79; P = 0.094). The rate of persistent behavioural disorders, defined as continuing to have behavioural disorders in the third year after the removal of the bar in those with behavioural disorders at the baseline, was 88% vs 56% (OR 3.47, 95% CI 0.56–21.36; P = 0.204). Two patients (4%) relapsed in each group. A risk prediction model by variables of gender, Haller index, pulmonary function and score of Child Behaviour Checklist at the baseline was provided. CONCLUSIONS The rate of behavioural disorders was considerably lower in children who underwent the Nuss procedure at 4 years of age than at 10 years of age. Behavioural disorders may not readily resolve after surgery. Performing surgery at an early age rather than just before puberty may be better for psychosocial development. Psychosocial aid is necessary in addition to surgery to address behavioural disorders. [ABSTRACT FROM AUTHOR]
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- 2019
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24. Treatment of long-segment congenital tracheal stenosis with congenital cardiovascular defects in infancy.
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Dai, Lurun, Zhao, Lu, Shen, Lianju, Pan, Zhengxia, Wu, Chun, Mo, Lin, and Wu, Yuhao
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TRACHEAL stenosis , *HUMAN abnormalities , *ATRIAL septal defects , *INFANTS , *CHILDREN'S hospitals , *CARDIOPULMONARY bypass - Abstract
This study aims to evaluate the outcomes of simultaneous repair for infants with long-segment congenital tracheal stenosis (LSCTS) with congenital cardiovascular defects (CCD). We retrospectively reviewed the clinical data of infants aged less than 1 year with LSCTS and CCD who underwent simultaneous repair at Children's Hospital of Chongqing Medical University from January 2020 to March 2023. A systematic search of PubMed, Embase, and Cochrane Library for the relevant published studies that reported the simultaneous repair of CTS and CCD in infancy was conducted in March 2023. The inverse variance method of DerSimonian-Laird (D + L) was used for estimate synthesis. A total of thirteen infants with a mean age of 5.6 ± 3.1 months and a mean weight of 6.4 ± 0.9 Kg underwent slide tracheoplasty with modified procedures and cardiovascular operations. LSCTS was diagnosed in all thirteen patients. Nine infants were ventilator dependent, and four patients were operated on due to persistent wheezing and recurrent respiratory infections. Seven patients underwent pulmonary artery sling repair, and six underwent atrial septal defect repair. All infants were repaired utilizing cardiopulmonary bypass (CPB) support. Significant complications were recorded in three patients. In-hospital deaths were seen in one case. The median tracheal minimum diameter of hospital survivors was significantly larger than the preoperative minimum diameter (p < 0.001). The mean follow-up duration was 17.1 ± 7.1 months. There was no late mortality during the follow-up. Twelve studies were included based on our search strategy. The pooled estimate of mortality in the literature was 10.9% (95%CI, 5.3%–17.7%, I2 = 0). The pooled estimate of airway re-interventions was 28.8% (95%CI, 14.5%–43.2%, I2 = 74%). Simultaneous repair of LSCTS and CCD in infancy is safe and effective. Slide tracheoplasty with appropriate technical modifications may be valid for LSCTS repair without significant restenosis and reinterventions. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
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