1.A multicenter study of neonatal stroke in Shenzhen,China
Li-Xiu SHI ; Jin-Xing FENG ; Yan-Fang WEI ; Xin-Ru LU ; Yu-Xi ZHANG ; Lin-Ying YANG ; Sheng-Nan HE ; Pei-Juan CHEN ; Jing HAN ; Cheng CHEN ; Hui-Ying TU ; Zhang-Bin YU ; Jin-Jie HUANG ; Shu-Juan ZENG ; Wan-Ling CHEN ; Ying LIU ; Yan-Ping GUO ; Jiao-Yu MAO ; Xiao-Dong LI ; Qian-Shen ZHANG ; Zhi-Li XIE ; Mei-Ying HUANG ; Kun-Shan YAN ; Er-Ya YING ; Jun CHEN ; Yan-Rong WANG ; Ya-Ping LIU ; Bo SONG ; Hua-Yan LIU ; Xiao-Dong XIAO ; Hong TANG ; Yu-Na WANG ; Yin-Sha CAI ; Qi LONG ; Han-Qiang XU ; Hui-Zhan WANG ; Qian SUN ; Fang HAN ; Rui-Biao ZHANG ; Chuan-Zhong YANG ; Lei DOU ; Hui-Ju SHI ; Rui WANG ; Ping JIANG ; Shenzhen Neonatal Data Network
Chinese Journal of Contemporary Pediatrics 2024;26(5):450-455
Objective To investigate the incidence rate,clinical characteristics,and prognosis of neonatal stroke in Shenzhen,China.Methods Led by Shenzhen Children's Hospital,the Shenzhen Neonatal Data Collaboration Network organized 21 institutions to collect 36 cases of neonatal stroke from January 2020 to December 2022.The incidence,clinical characteristics,treatment,and prognosis of neonatal stroke in Shenzhen were analyzed.Results The incidence rate of neonatal stroke in 21 hospitals from 2020 to 2022 was 1/15 137,1/6 060,and 1/7 704,respectively.Ischemic stroke accounted for 75%(27/36);boys accounted for 64%(23/36).Among the 36 neonates,31(86%)had disease onset within 3 days after birth,and 19(53%)had convulsion as the initial presentation.Cerebral MRI showed that 22 neonates(61%)had left cerebral infarction and 13(36%)had basal ganglia infarction.Magnetic resonance angiography was performed for 12 neonates,among whom 9(75%)had involvement of the middle cerebral artery.Electroencephalography was performed for 29 neonates,with sharp waves in 21 neonates(72%)and seizures in 10 neonates(34%).Symptomatic/supportive treatment varied across different hospitals.Neonatal Behavioral Neurological Assessment was performed for 12 neonates(33%,12/36),with a mean score of(32±4)points.The prognosis of 27 neonates was followed up to around 12 months of age,with 44%(12/27)of the neonates having a good prognosis.Conclusions Ischemic stroke is the main type of neonatal stroke,often with convulsions as the initial presentation,involvement of the middle cerebral artery,sharp waves on electroencephalography,and a relatively low neurodevelopment score.Symptomatic/supportive treatment is the main treatment method,and some neonates tend to have a poor prognosis.
2.Metabolomics combined with bioinformatics reveals mechanism of Sanhuang Hushen Fangshuai Decoction in treating chronic kidney disease.
Cheng-Hua ZHANG ; Xiao-Yan LI ; Hong-Xiang ZHENG ; Min ZHAO ; Mei-Feng ZHU ; Shu-Qi MIN ; Xin-Yue ZHANG ; Shen-Ju WANG
China Journal of Chinese Materia Medica 2024;49(23):6468-6480
This article aims to analyze the therapeutic effect and probe into the mechanism of Sanhuang Hushen Fangshuai Decoction in treating chronic kidney disease(CKD) based on metabolomics and bioinformatics. The patients with stage 3-4 CKD diagnosed and treated in the Changzhou Hospital of Traditional Chinese Medicine from June 2023 to March 2024 were enrolled in this study. The patients were treated with Sanhuang Hushen Fangshuai Decoction, and the therapeutic effect was evaluated. The serum samples were collected before and after treatment. Ultra-performance liquid chromatography was employed to detect metabolites in the serum, and multivariate statistical analysis was performed. Bioinformatics was employed to screen the active components and targets of the decoction and the potential targets of CKD. The protein-protein interaction(PPI) network of the common targets shared by the decoction and CKD and the drug-component-target network were constructed. The core components and targets were screened according to the correlation degree of the network. The binding between core components and targets was verified by molecular docking. The results showed that Sanhuang Hushen Fangshuai Decoction improved the renal function and reduced proteinuria. Compared with the healthy population, the post-treatment population showed recovery of 54 up-regulated metabolites and 43 down-regulated metabolites. Enrichment analysis results showed that the key pathways included adenosine triphosphate binding cassette(ABC) transport, tryptophan metabolism, and tyrosine metabolism. The results of bioinformatics analysis showed that the core components of Sanhuang Hushen Fangshuai Decoction in treating CKD included kaempferol, β-sitosterol, luteolin, 7-O-methylisolingol, and tanshinone Ⅱ_A. The core targets included TP53, PTGS2, JUN, AKT1, and TNF. Molecular docking results showed that the core components bound well to the target genes. The results of joint pathway analysis suggested that both differential metabolites and key targets were involved in galactose metabolism, nicotinamide metabolism, and other pathways. This study suggests that Sanhuang Hushen Fangshuai Decoction is effective for CKD, and it can regulate multiple abnormal metabolites and participates in multiple metabolic pathways involving amino acids and sugars. The active components such as kaempferol in the decoction may regulate related targets such as TP53 and PTGS2. This study provides a basis for the prevention and treatment of CKD with traditional Chinese medicine.
Drugs, Chinese Herbal/administration & dosage*
;
Renal Insufficiency, Chronic/genetics*
;
Humans
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Computational Biology
;
Male
;
Metabolomics
;
Protein Interaction Maps/drug effects*
;
Middle Aged
;
Molecular Docking Simulation
;
Female
;
Adult
;
Aged
3.Robot-assisted PVP for the treatment of osteoporotic fractures of the upper thoracic vertebra.
Ju-Yi LAI ; Huang-Sheng TAN ; Hua-Long FENG ; Zhi-Ming LAN ; Zhi-Tao SUN ; Ye-Guang WANG ; Jian WANG ; Yuan-Fei FU ; Shen-Ghua HE
China Journal of Orthopaedics and Traumatology 2023;36(9):859-865
OBJECTIVE:
To investigate the clinical effect of "Tianji" orthopedic robot-assisted percutaneous vertebro plasty(PVP) surgery in the treatment of upper thoracic osteoporotic fracture.
METHODS:
A retrospective analysis was performed on 32 patients with upper thoracic osteoporotic fracture who underwent PVP surgery in Shenzhen Hospital of Traditional Chinese Medicine from August 2016 to June 2022. There were 8 males and 24 females, ranging in age from 58 to 90 years old, with a mean of (67.75±12.27) years old. Fifteen patients were treated with robot-assisted PVP surgery (robot group), including 3 males and 12 females, with an average age of (68.5±10.3) years. Fracture location:1 case of T2 fracture, 1 case of T3 fracture, 3 cases of T4 fracture, 3 cases of T5 fracture, and 7 cases of T6 fracture. The follow-up period ranged from 1.0 to 3.0 months, with a mean of (1.6±0.7) months. Seventeen patients underwent routine PVP surgery (conventional group), including 5 males and 12 females, with an average age of (66.8±11.6) years old. Fracture location:1 case of T1 fracture, 5 cases of T4 fracture, 2 cases of T5 fracture and 9 cases of T6 fracture. The follow-up period ranged from 0.5 to 4.0 months, with a mean of (1.5±0.6) months. Preoperative and postoperative visual analogue scale(VAS) and Oswestry disability index(ODI) scores were compared between the two groups, and the number of punctures, perspective times, operation time, intraoperative blood loss, bone cement distribution, bone cement leakage, and intraoperative radiation dose were compared between the two groups.
RESULTS:
Number of punctures times, perspective times, operation time, intraoperative blood loss, bone cement distribution, bone cement leakage and intraoperative radiation dose in the robot group were all significantly better than those in the conventional group(P<0.05). VAS of 2.03±0.05 and ODI of (22.16±4.03) % in the robot group were significantly better than those of the robot group before surgery, which were (8.67±0.25) score and (79.40±7.72)%(t=100.869, P<0.001;t=25.456, P<0.001). VAS of 2.17±0.13 and ODI of (23.88±6.15)% in the conventional group were significantly better than those before surgery, which were (8.73±0.18) score and (80.01±7.59)%(t=121.816, P<0.001;t=23.691, P<0.001). There was no significant difference in VAS and ODI between the two groups after operation (t=-3.917, P=0.476;t=-0.922, P=0.364).
CONCLUSION
Robot-assisted PVP in the treatment of upper thoracic osteoporotic fractures can further improve surgical safety, reduce bone cement leakage, and achieve satisfactory clinical efficacy.
Female
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Male
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Humans
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Middle Aged
;
Aged
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Aged, 80 and over
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Osteoporotic Fractures/surgery*
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Robotics
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Blood Loss, Surgical
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Bone Cements
;
Retrospective Studies
;
Thoracic Vertebrae/surgery*
4.Differential diagnosis and surgical management in chondrosarcoma of the jugular foramen.
Da LIU ; Jian Ze WANG ; Jian Bin SUN ; Zhong LI ; Tong ZHANG ; Na SAI ; Yu Hua ZHU ; Wei Dong SHEN ; De Liang HUANG ; Pu DAI ; Shi Ming YANG ; Dong Yi HAN ; Wei Ju HAN
Chinese Journal of Otorhinolaryngology Head and Neck Surgery 2023;58(6):544-551
Objective: To explore the diagnosis, surgical management and outcome of jugular foramen chondrosarcoma (CSA). Methods: Fifteen patients with jugular foramen CSA hospitalized in the Department of Otorhinolaryngology Head and Neck Surgery of Chinese PLA General Hospital from December 2002 to February 2020 were retrospectively collected,of whom 2 were male and 13 were female, aging from 22 to 61 years old. The clinical symptoms and signs, imaging features, differential diagnosis, surgical approaches, function of facial nerve and cranial nerves IX to XII, and surgical outcomes were analyzed. Results: Patients with jugular foramen CSA mainly presented with facial paralysis, hearing loss, hoarseness, cough, tinnitus and local mass. Computed tomography (CT) and magnetic resonance (MR) could provide important information for diagnosis. CT showed irregular destruction on bone margin of the jugular foramen. MR demonstrated iso or hypointense on T1WI, hyperintense on T2WI and heterogeneous contrast-enhancement. Surgical approaches were chosen upon the sizes and scopes of the tumors. Inferior temporal fossa A approach was adopted in 12 cases, inferior temporal fossa B approach in 2 cases and mastoid combined parotid approach in 1 case. Five patients with facial nerve involved received great auricular nerve graft. The House Brackmann (H-B) grading scale was used to evaluate the facial nerve function. Preoperative facial nerve function ranked grade Ⅴ in 4 cases and grade Ⅵ in 1 case. Postoperative facial nerve function improved to grade Ⅲ in 2 cases and grade Ⅵ in 3 cases. Five patients presented with cranial nerves Ⅸ and Ⅹ palsies. Hoarseness and cough of 2 cases improved after operation, while the other 3 cases did not. All the patients were diagnosed CSA by histopathology and immunohistochemistry, with immunohistochemical staining showing vimentin and S-100 positive, but cytokeratin negative in tumor cells. All patients survived during 28 to 234 months' follow-up. Two patients suffered from tumor recurrence 7 years after surgery and received revision surgery. No complications such as cerebrospinal fluid leakage and intracranial infection occurred after operation. Conclusions: Jugular foramen CSA lacks characteristic symptoms or signs. Imaging is helpful to differential diagnosis. Surgery is the primary treatment of jugular foramen CSA. Patients with facial paralysis should receive surgery in time as to restore the facial nerve. Long-term follow-up is necessary after surgery in case of recurrence.
Humans
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Male
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Female
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Young Adult
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Adult
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Middle Aged
;
Facial Paralysis/etiology*
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Diagnosis, Differential
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Jugular Foramina
;
Retrospective Studies
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Cough
;
Hoarseness
;
Neoplasm Recurrence, Local
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Chondrosarcoma/surgery*
5.Venous thromboembolism in children with acute lymphoblastic leukemia in China: a report from the Chinese Children's Cancer Group-ALL-2015.
Mengmeng YIN ; Hongsheng WANG ; Xianmin GUAN ; Ju GAO ; Minghua YANG ; Ningling WANG ; Tianfeng LIU ; Jingyan TANG ; Alex W K LEUNG ; Fen ZHOU ; Xuedong WU ; Jie HUANG ; Hong LI ; Shaoyan HU ; Xin TIAN ; Hua JIANG ; Jiaoyang CAI ; Xiaowen ZHAI ; Shuhong SHEN ; Qun HU
Frontiers of Medicine 2023;17(3):518-526
Venous thromboembolism (VTE) is a complication in children with acute lymphoblastic leukemia (ALL). The Chinese Children's Cancer Group-ALL-2015 protocol was carried out in China, and epidemiology, clinical characteristics, and risk factors associated with VTE were analyzed. We collected data on VTE in a multi-institutional clinical study of 7640 patients with ALL diagnosed in 20 hospitals from January 2015 to December 2019. First, VTE occurred in 159 (2.08%) patients, including 90 (56.6%) during induction therapy and 108 (67.92%) in the upper extremities. T-ALL had a 1.74-fold increased risk of VTE (95% CI 1.08-2.8, P = 0.022). Septicemia, as an adverse event of ALL treatment, can significantly promote the occurrence of VTE (P < 0.001). Catheter-related thrombosis (CRT) accounted for 75.47% (n = 120); and, symptomatic VTE, 58.49% (n = 93), which was more common in patients aged 12-18 years (P = 0.023), non-CRT patients (P < 0.001), or patients with cerebral thrombosis (P < 0.001). Of the patients with VTE treated with anticoagulation therapy (n = 147), 4.08% (n = 6) had bleeding. The VTE recurrence rate was 5.03% (n = 8). Patients with VTE treated by non-ultrasound-guided venous cannulation (P = 0.02), with residual thrombus (P = 0.006), or with short anticoagulation period (P = 0.026) had high recurrence rates. Thus, preventing repeated venous puncture and appropriately prolonged anticoagulation time can reduce the risk of VTE recurrence.
Humans
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Child
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Venous Thromboembolism/etiology*
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East Asian People
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Precursor Cell Lymphoblastic Leukemia-Lymphoma/epidemiology*
;
Risk Factors
;
Thrombosis/chemically induced*
;
China/epidemiology*
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Anticoagulants/adverse effects*
;
Recurrence
6.Focus on thunderstorm asthma in children
Peng HAN ; Hua ZHU ; Ju YIN ; Kunling SHEN
Chinese Journal of Applied Clinical Pediatrics 2023;38(10):721-725
Recently, the number of children with asthma reported after thunderstorm weather in China has increased rapidly, which has aroused the public concern.At present, there are 28 documented episodes of epidemic thunderstorm asthma in the world, which can be life-threatening in severe cases.Children with allergic rhinitis or uncontrolled asthma were more susceptible to thunderstorm asthma.This article introduces the epidemiology, mechanism, risk factors, manifestations, management strategies and prevention of thunderstorm asthma, in order to improve pediatricians′ understanding of thunderstorm asthma and reduce the impact of it.
7.Incidence of extrauterine growth retardation and its risk factors in very preterm infants during hospitalization: a multicenter prospective study.
Wei SHEN ; Zhi ZHENG ; Xin-Zhu LIN ; Fan WU ; Qian-Xin TIAN ; Qi-Liang CUI ; Yuan YUAN ; Ling REN ; Jian MAO ; Bi-Zhen SHI ; Yu-Mei WANG ; Ling LIU ; Jing-Hui ZHANG ; Yan-Mei CHANG ; Xiao-Mei TONG ; Yan ZHU ; Rong ZHANG ; Xiu-Zhen YE ; Jing-Jing ZOU ; Huai-Yu LI ; Bao-Yin ZHAO ; Yin-Ping QIU ; Shu-Hua LIU ; Li MA ; Ying XU ; Rui CHENG ; Wen-Li ZHOU ; Hui WU ; Zhi-Yong LIU ; Dong-Mei CHEN ; Jin-Zhi GAO ; Jing LIU ; Ling CHEN ; Cong LI ; Chun-Yan YANG ; Ping XU ; Ya-Yu ZHANG ; Si-Le HU ; Hua MEI ; Zu-Ming YANG ; Zong-Tai FENG ; San-Nan WANG ; Er-Yan MENG ; Li-Hong SHANG ; Fa-Lin XU ; Shao-Ping OU ; Rong JU
Chinese Journal of Contemporary Pediatrics 2022;24(2):132-140
OBJECTIVES:
To investigate the incidence of extrauterine growth retardation (EUGR) and its risk factors in very preterm infants (VPIs) during hospitalization in China.
METHODS:
A prospective multicenter study was performed on the medical data of 2 514 VPIs who were hospitalized in the department of neonatology in 28 hospitals from 7 areas of China between September 2019 and December 2020. According to the presence or absence of EUGR based on the evaluation of body weight at the corrected gestational age of 36 weeks or at discharge, the VPIs were classified to two groups: EUGR group (n=1 189) and non-EUGR (n=1 325). The clinical features were compared between the two groups, and the incidence of EUGR and risk factors for EUGR were examined.
RESULTS:
The incidence of EUGR was 47.30% (1 189/2 514) evaluated by weight. The multivariate logistic regression analysis showed that higher weight growth velocity after regaining birth weight and higher cumulative calorie intake during the first week of hospitalization were protective factors against EUGR (P<0.05), while small-for-gestational-age birth, prolonged time to the initiation of total enteral feeding, prolonged cumulative fasting time, lower breast milk intake before starting human milk fortifiers, prolonged time to the initiation of full fortified feeding, and moderate-to-severe bronchopulmonary dysplasia were risk factors for EUGR (P<0.05).
CONCLUSIONS
It is crucial to reduce the incidence of EUGR by achieving total enteral feeding as early as possible, strengthening breastfeeding, increasing calorie intake in the first week after birth, improving the velocity of weight gain, and preventing moderate-severe bronchopulmonary dysplasia in VPIs.
Female
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Fetal Growth Retardation
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Gestational Age
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Hospitalization
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Humans
;
Incidence
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Infant
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Infant, Newborn
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Infant, Premature
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Infant, Very Low Birth Weight
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Prospective Studies
;
Risk Factors
8.Recommendations for prescription review of antipyretic-analgesics in symptomatic treatment of children with fever
Xiaohui LIU ; Xing JI ; Lihua HU ; Yuntao JIA ; Huajun SUN ; Qinghong LU ; Shengnan ZHANG ; Ruiling ZHAO ; Shunguo ZHANG ; Yanyan SUN ; Meixing YAN ; Lina HAO ; Heping CAI ; Jing XU ; Zengyan ZHU ; Hua XU ; Jing MIAO ; Xiaotong LU ; Zebin CHEN ; Hua CHENG ; Yunzhu LIN ; Ruijie CHEN ; Xin ZHAO ; Zhenguo LIU ; Junli ZHANG ; Yuwu JIANG ; Chaomin WAN ; Gen LU ; Hengmiao GAO ; Ju YIN ; Kunling SHEN ; Baoping XU ; Xiaoling WANG
Chinese Journal of Applied Clinical Pediatrics 2022;37(9):653-659
Antipyretic-analgesics are currently one of the most prescribed drugs in children.The clinical application of antipyretic-analgesics for children in our country still have irrational phenomenon, which affects the therapeutic effect and even poses hidden dangers to the safety of children.In this paper, suggestions were put forward from the indications, dosage form/route, dosage suitability, pathophysiological characteristics of children with individual differences and drug interactions in the symptomatic treatment of febrile children, so as to provide reference for the general pharmacists when conducting prescription review.
9.Application of liver venous deprivation in secondary hepatic resection of primary liver cancer.
Yu Hou SHEN ; Ai Min YUE ; An Dong JU ; Jun Qiang GUO ; Rui Hua LI ; Shi Xing LI ; Xiao WANG
Chinese Journal of Oncology 2022;44(11):1221-1228
Objective: To investigate the efficacy and safety of liver venous deprivation (LVD) before secondary resection of primary liver cancer. Methods: 56 patients with advanced primary liver cancer who were not suitable for primary resection in Liver Surgery Department of Xinxiang Central Hospital from January 2018 to January 2019 were analyzed retrospectively. They were divided into liver vein deprivation group (LVD group: LVD+ PVE, n=26) and portal vein embolization group (PVE group, n=30). The dynamic changes of liver reserve function and future liver remnant volume (FLR-V), R0 resection rate, surgical complications, postoperative recurrence rate and overall survival rate of two groups before and after LVD/PVE were compared. Results: The success rate of puncture and embolization in LVD group and PVE group was 100%. There were no grade Ⅳ complications, and there was no significant difference of grades Ⅰ, Ⅱ and Ⅲ complications between the groups (P=0.808). The FLR-V of LVD group before embolization, 7, 14 and 21 days after embolization was (493.1±25.8), (673.2±56.1), (779.5±81.6) and (853.3±85.2) cm(3), respectively. The FLR-V of PVE group before embolization, 7, 14 and 21 days after embolization were (502.4±20.1), (688.6±43.9), (656.8±73.7) and (563.5±69.1) cm(3), respectively. There was no significant difference in FLR-V between the two groups before and 7 days after embolization (P>0.05). The FLR-V of LVD group was higher than that of PVE group at 14 and 21 days after embolization (P<0.01). The preparation time of LVD group was (20.4±6.3) days, which was shorter than that of PVE group [(31.5±8.8) days, P=0.045]. The rate of secondary hepatectomy was 92.3% (24/26), which was higher than that of PVE group [70.0% (21/30), P=0.036]. The R0 resection rate was 87.5% (21/24), which was higher than that of the PVE group [57.1% (12/21), P=0.022]. However, there were no significant differences in surgical methods, operation time, intraoperative blood loss, Clavien-Dindo complication grade and length of hospital stay between the two groups (P>0.05). After hepatectomy, the median recurrence time and median survival time of LVD group were 12.6 months and 21.3 months, respectively, which were longer than those of PVE group (9.4 months and 13.5 months, respectively, P<0.01). Conclusions: For patients with advanced liver cancer who are not suitable for primary hepatectomy, preoperative LVD can significantly increase FLR-V, improve the resection rate of secondary surgery, shorten the preparation time of two operations, and do not increase surgical complications. Moreover, patients with LVD can improve the R0 resection rate of secondary surgery. The postoperative recurrence time and overall survival rate of patients with LVD are better than those of patients with PVE, and LVD has a good long-term effect.
Humans
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Portal Vein
;
Retrospective Studies
;
Hepatectomy/methods*
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Liver/surgery*
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Liver Neoplasms/surgery*
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Embolization, Therapeutic/methods*
;
Treatment Outcome
10.Risk factors of bronchopulmonary dysplasia in very preterm infants: a national multicenter study
Ruihua BA ; Lixia TANG ; Wei SHEN ; Lian WANG ; Zhi ZHENG ; Xinzhu LIN ; Fan WU ; Qianxin TIAN ; Qiliang CUI ; Yuan YUAN ; Ling REN ; Jian MAO ; Yumei WANG ; Bizhen SHI ; Ling LIU ; Jinghui ZHANG ; Yanmei CHANG ; Xiaomei TONG ; Yan ZHU ; Rong ZHANG ; Xiuzhen YE ; Jingjing ZOU ; Huaiyu LI ; Baoyin ZHAO ; Yinping QIU ; Shuhua LIU ; Li MA ; Ying XU ; Rui CHENG ; Wenli ZHOU ; Hui WU ; Zhiyong LIU ; Dongmei CHEN ; Jinzhi GAO ; Jing LIU ; Ling CHEN ; Cong LI ; Chunyan YANG ; Ping XU ; Yayu ZHANG ; Sile HU ; Hua MEI ; Zuming YANG ; Zongtai FENG ; Sannan WANG ; Eryan MENG ; Lihong SHANG ; Falin XU ; Shaoping OU ; Rong JU
Chinese Pediatric Emergency Medicine 2022;29(6):433-439
Objective:To analyze the risk factors of bronchopulmonary dysplasia(BPD)in very preterm infants(VPI), and to provide scientific basis for the prevention and treatment of BPD in VPI.Methods:A prospective multicenter study was designed to collect the clinical data of VPI in department of neonatology of 28 hospitals in 7 regions from September 2019 to December 2020.According to the continuous oxygen dependence at 28 days after birth, VPI were divided into non BPD group and BPD group, and the risk factors of BPD in VPI were analyzed.Results:A total of 2 514 cases of VPI including 1 364 cases without BPD and 1 150 cases with BPD were enrolled.The incidence of BPD was 45.7%.The smaller the gestational age and weight, the higher the incidence of BPD( P<0.001). Compared with non BPD group, the average birth age, weight and cesarean section rate in BPD group were lower, and the incidence of male infants, small for gestational age and 5-minute apgar score≤7 were higher( P<0.01). In BPD group, the incidences of neonatal respiratory distress syndrome(NRDS), hemodynamically significant patent ductus arteriosus, retinopathy of prematurity, feeding intolerance, extrauterine growth restriction, grade Ⅲ~Ⅳ intracranial hemorrhage, anemia, early-onset and late-onset sepsis, nosocomial infection, parenteral nutrition-associated cholestasis were higher( P<0.05), the use of pulmonary surfactant(PS), postnatal hormone exposure, anemia and blood transfusion were also higher, and the time of invasive and non-invasive mechanical ventilation, oxygen use and total hospital stay were longer( P<0.001). The time of starting enteral nutrition, cumulative fasting days, days of reaching total enteral nutrition, days of continuous parenteral nutrition, days of reaching 110 kcal/(kg·d) total calorie, days of reaching 110 kcal/(kg·d) oral calorie were longer and the breastfeeding rate was lower in BPD group than those in non BPD group( P<0.001). The cumulative doses of amino acid and fat emulsion during the first week of hospitalization were higher in BPD group( P<0.001). Multivariate Logistic regression analysis showed that NRDS, invasive mechanical ventilation, age of reaching total enteral nutrition, anemia and blood transfusion were the independent risk factors for BPD in VPI, and older gestational age was the protective factor for BPD. Conclusion:Strengthening perinatal management, avoiding premature delivery and severe NRDS, shortening the time of invasive mechanical ventilation, paying attention to enteral nutrition management, reaching whole intestinal feeding as soon as possible, and strictly mastering the indications of blood transfusion are very important to reduce the incidence of BPD in VPI.

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