1.Clinical study of Shenbao tablet in the treatment of kidney-yang deficiency syndrome
Xiu-Dian LI ; Ping CHENG ; Zhe CAO ; Qiong HUA ; Xiang-Xin MENG ; Qing-Gang ZHOU
The Chinese Journal of Clinical Pharmacology 2024;40(4):524-528
Objective To evaluate the efficacy and safety of Shenbao tablet in the treatment of kidney-yang deficiency syndrome.Methods Patients with kidney-yang deficiency syndrome,will were treated with Shenbao Tablets orally,3 tablets once,3 times a day,and the course of treatment was 56 days or 84 days,depending on the condition.By comparing the clinical efficacy,the changes of symptom scores and syndrome scores before and after treatment,and symptoms remission time,the effectiveness of Shenbao tablet in the treatment of kidney-yang deficiency syndrome was evaluated.The safety was evaluated by adverse reactions.Results There were 339 patients in the 56-day group and 345 patients in the 84-day group.After treatment,the clinical effective rates of the 56-day group and the 84-day group were 91.74%and 97.97%,respectively,and the difference was statistically significant(P<0.05).In the 56-day group and the 84-day group,the excellent rate were 58.41%and 59.13%,clinical control rates were 18.58%and 27.54%,and the progress rates were 14.75%and 11.30%,respectively.After treatment,the symptom scores of kidney-yang deficiency syndrome were significantly reduced respectively within both groups(P<0.05).In the 56-day group and the 84-day group,the nocturia scores of were 0.89±1.27 and 0.60±1.03,the soreness of waist scores were 1.31±1.19 and 0.72±1.00,the morning diarrhea scores were 0.28±0.74 and 0.19±0.61,the anaphrodisia scores were 0.65±1.13 and 0.53±0.98,the low spirits scores were 0.29±0.81 and 0.08±0.40,the cold limbs score were 1.09±1.20 and 0.55±0.93,the edema scores were 0.14±0.55 and 0.05±0.30,the bright pale complexion scores were 0.20±0.59 and 0.24±0.65,respectively.There were significant differences in the reduction of each symptom score between the two groups(P<0.05);the 56-day group had a more significant decrease in the score of cold limbs than the 84-day group.The remaining symptom scores decreased more significantly in the 84-day group.After treatment,the syndrome scores of kidney-yang deficiency syndrome in the two groups were significantly lower than those before treatment(all P<0.05);the change rates of score in the 56-day group and the 84-day group were(-72.33±24.57)%and(-78.77±19.53)%,respectively,and the difference was statistically significant(P<0.05).The self-reported time to first symptom relief was(14.85±7.18)days in the 56-day group and(14.10±7.78)days in the 84-day group,with no significant difference(P>0.05).The incidence of adverse reactions of Shenbao tablets was 5.37%,mainly reflected in hepatobiliary system diseases,gastrointestinal system diseases and various examination abnormalities.Conclusions After taking Shenbao tablets for 2 to 3 months,the clinical symptoms of kidney-yang deficiency were better improved,and the improvement was more significant after 3 months of treatment.The security of Shenbao Tablets was good.
2.Evaluation of the report quality of Chinese and English randomized controlled trials of acupuncture based on CONSORT statement and STRICTA checklist.
Wen-Cui XIU ; Xing MENG ; Xiang-Yu HU ; Lan-Jun SHI ; Wei-Juan GANG ; Xiang-Hong JING
Chinese Acupuncture & Moxibustion 2023;43(3):355-361
OBJECTIVE:
To evaluate the report quality of Chinese and English randomized controlled trials (RCTs) of acupuncture based on the CONSORT statement and STRICTA checklist.
METHODS:
The Chinese and English RCTs of acupuncture published from January 1, 2015 to December 31, 2019 were searched in 7 databases including PubMed. The report quality of the included RCTs was evaluated with the CONSORT 2010 statement and STRICTA checklist.
RESULTS:
A total of 506 Chinese RCTs and 76 English RCTs were included. According to the CONSORT statement, in Chinese RCTs, the items with report rate less than 50% accounted for 78.38% of all items, and the report rate of 25 items, such as background and reason, study design, outcome index, and sample size, was less than 10%. In English RCTs, the items with report rate less than 50% accounted for 35.14% of all items, and 5 items had a report rate of less than 10%. The difference of the report rate of 15 items, such as background, reason and study design, was more than 50% between Chinese and English RCTs. The report rate of all items of STRICTA checklist was relatively high in both Chinese and English RCTs. In Chinese RCTs, the items with report rate less than 50% accounted for 29.41% of all items, which included acupuncture rationale and depth of insertion. In English RCTs, only two items had a report rate less than 50%, which were acupuncture rationale, setting and context of treatment. The report rate of five items, including needle retention time, frequency and duration of treatment sessions, details of other interventions administered to the acupuncture group, setting and context of treatment, and precise description of the control or comparator in Chinese RCTs, were higher than in English RCTs.
CONCLUSION
The report quality of Chinese acupuncture RCT needs to be improved urgently, and corresponding measures should be taken to further standardize the writing and reporting of acupuncture clinical research.
Humans
;
Acupuncture Therapy
;
Checklist
;
Randomized Controlled Trials as Topic/standards*
3.Protective effect of breviscapine against brain injury induced by intrauterine inflammation in preterm rats and its mechanism.
Si-Si WANG ; Shuang-Shuang XIE ; Yue-Xiu MENG ; Xiang-Yun ZHANG ; Yun-Chun LIU ; Ling-Ling WANG ; Yan-Fei WANG
Chinese Journal of Contemporary Pediatrics 2023;25(2):193-201
OBJECTIVES:
To study the protective effect of breviscapine against brain injury induced by intrauterine inflammation in preterm rats and its mechanism.
METHODS:
A preterm rat model of brain injury caused by intrauterine inflammation was prepared by intraperitoneal injections of lipopolysaccharide in pregnant rats. The pregnant rats and preterm rats were respectively randomly divided into 5 groups: control, model, low-dose breviscapine (45 mg/kg), high-dose breviscapine (90 mg/kg), and high-dose breviscapine (90 mg/kg)+ML385 [a nuclear factor erythroid 2-related factor 2 (Nrf2) inhibitor, 30 mg/kg] (n=10 each). The number and body weight of the live offspring rats were measured for each group. Hematoxylin-eosin staining was used to observe the pathological morphology of the uterus and placenta of pregnant rats and the pathological morphology of the brain tissue of offspring rats. Immunofluorescent staining was used to measure the co-expression of ionized calcium binding adaptor molecule-1 (IBA-1) and nucleotide-binding oligomerization domain-like receptor protein 3 (NLRP3) in the cerebral cortex of offspring rats. ELISA was used to measure the levels of interleukin-6 (IL-6), interleukin-8 (IL-8), and interleukin-1β (IL-1β) in the brain tissue of offspring rats. Western blotting was used to measure the expression of Nrf2 pathway-related proteins in the brain tissue of offspring rats.
RESULTS:
Pathological injury was found in the uterus, and placenta tissue of the pregnant rats and the brain tissue of the offspring rats, and severe microglia pyroptosis occurred in the cerebral cortex of the offspring rats in the model group. Compared with the control group, the model group had significant reductions in the number and body weight of the live offspring rats and the protein expression levels of Nrf2 and heme oxygenase-1 (HO-1) in the brain tissue of the offspring rats (P<0.05), but significant increases in the relative fluorescence intensity of the co-expression of IBA-1 and NLRP3, the levels of the inflammatory factors IL-6, IL-8, and IL-1β, and the protein expression levels of NLRP3 and caspase-1 in the brain tissue of the offspring rats (P<0.05). Compared with the model group, the breviscapine administration groups showed alleviated pathological injury of the uterus and placenta tissue of the pregnant rats and the brain tissue of the offspring rats, significant increases in the number and body weight of the live offspring rats and the protein expression levels of Nrf2 and HO-1 in the brain tissue of the offspring rats (P<0.05), and significant reductions in the relative fluorescence intensity of the co-expression of IBA-1 and NLRP3, the levels of the inflammatory factors IL-6, IL-8, and IL-1β, and the protein expression levels of NLRP3 and caspase-1 in the brain tissue of the offspring rats (P<0.05). The high-dose breviscapine group had a significantly better effect than the low-dose breviscapine (P<0.05). ML385 significantly inhibited the intervention effect of high-dose breviscapine (P<0.05).
CONCLUSIONS
Breviscapine can inhibit inflammatory response in brain tissue of preterm rats caused by intrauterine inflammation by activating the Nrf2 pathway, and it can also inhibit microglial pyroptosis and alleviate brain injury.
Animals
;
Female
;
Pregnancy
;
Rats
;
Body Weight
;
Brain Injuries/prevention & control*
;
Caspase 1
;
Inflammation/drug therapy*
;
Interleukin-6
;
Interleukin-8
;
NF-E2-Related Factor 2
;
NLR Family, Pyrin Domain-Containing 3 Protein
;
Flavonoids/therapeutic use*
4.Exploration of the model of broad informed consent in clinical data acquisition in medical institutions
Zhao YANG ; Jiu-Xiu LIU ; Meng-Xian FENG ; Rong-Hui YU ; Yu XIANG
The Chinese Journal of Clinical Pharmacology 2023;39(23):3491-3494
Objective To study how to promote the rational use of clinical data and orderly conduct health care Big data research by establishing a broad informed consent system and an effective implementation path.Methods The research methods of Document retrieval and expert interviews were mainly used to formulate management rules and regulations,clarify work processes and department responsibilities of the broad informed consent,and draw up patient informed consent forms.Results and Conclusion Based on the current implementation status of broad informed consent in domestic medical institutions,Peking University First Hospital has identified an effective path for obtaining clinical data in the implementation of broad informed consent in medical institutions,laying a preliminary foundation for the pilot implementation of related work.At the same time,discussions were conducted on the protection of patient rights,policy promotion and interpretation,information system support capabilities,and effective data application after the implementation of the broad informed consent system for clinical data,which will help promote and apply the work of broad informed consent for clinical data acquisition in China.
5.Dose-dense paclitaxel plus carboplatin in combination with trastuzumab neoadjuvant versus standard adjuvant therapy in human epidermal growth factor receptor-2 positive and hormone receptor negative breast cancer: a prospective cohort study.
Meng XIU ; Yao LU ; Xiang WANG ; Ying FAN ; Qiao LI ; Qing LI ; Jia Yu WANG ; Yang LUO ; Rui Gang CAI ; Shan Shan CHEN ; Peng YUAN ; Fei MA ; Bing He XU ; Pin ZHANG
Chinese Journal of Oncology 2023;45(8):709-716
Objective: To provide survival evidence of anthracycline-free neoadjuvant chemotherapy for patients with stages Ⅱ-Ⅲ human epidermal growth factor receptor-2 (HER-2) positive and hormone receptor (HR) negative breast cancer. Methods: The prospective cohort study was conducted at the Department of Medical Oncology of Cancer Hospital, Chinese Academy of Medical Sciences. Patients with HER-2 positive and HR negative breast cancer in stages Ⅱ-Ⅲ were enrolled to receive neoadjuvant therapy (NAT) of dose-dense paclitaxel (175 mg/m(2)) plus carboplatin (AUC=4.0) biweekly for 6 cycles in combination with trastuzumab (PCbH), and matched patients who received standard adjuvant therapy of physicians' choice were recruited for survival and safety comparison. Results: From July 2013 to November 2019, 166 patients were included (neoadjuvant 51, adjuvant 115). Compared with those who received adjuvant therapy, patients receiving NAT were younger (<35 years: 19.6% vs 5.2%, P=0.014), had larger tumors (T3: 62.7% vs 7.8%, P<0.001) and more advanced diseases (stage ⅡA: 2.0% vs 41.7%, P<0.001). Patients in the neoadjuvant group all received surgery, and 96 (83.5%) in the adjuvant group received anthracycline-and-taxane-containing regimens. A total of 98 patients (49 pairs) were matched, and the covariates between the two groups were acceptably balanced. Within a median follow-up of 46.5 (range, 14-87) months, the 4-year recurrence-free survival (RFS) rate among patients who received NAT was 73.3% (95% CI: 59.0%-87.6%), versus 80.6% (95% CI: 67.9%-93.3%) among those in the adjuvant group without statistical difference (P=0.418). A similar result was observed for the 4-year overall survival (OS) [neoadjuvant versus adjuvant: 91.5% (95% CI: 81.7%-100.0%) vs 97.8% (95% CI: 93.5%-100.0%), P=0.314]. Compared with standard adjuvant therapy, PCbH was related to less neutropenia and better cardiac safety. Conclusions: These results support the consideration of anthracycline-free neoadjuvant chemotherapy combined with anti-HER-2 therapy for patients with stages Ⅱ-Ⅲ HER-2-positive and HR-negative breast cancer. Optimized regimens with both efficacy and safety are needed and to be further investigated.
Female
;
Humans
;
Anthracyclines/therapeutic use*
;
Antibiotics, Antineoplastic/therapeutic use*
;
Antineoplastic Combined Chemotherapy Protocols/therapeutic use*
;
Carboplatin/therapeutic use*
;
Chemotherapy, Adjuvant
;
Hormones/therapeutic use*
;
Neoadjuvant Therapy
;
Paclitaxel/therapeutic use*
;
Prospective Studies
;
Receptor, ErbB-2/metabolism*
;
Trastuzumab/therapeutic use*
;
Triple Negative Breast Neoplasms/drug therapy*
6.Dose-dense paclitaxel plus carboplatin in combination with trastuzumab neoadjuvant versus standard adjuvant therapy in human epidermal growth factor receptor-2 positive and hormone receptor negative breast cancer: a prospective cohort study.
Meng XIU ; Yao LU ; Xiang WANG ; Ying FAN ; Qiao LI ; Qing LI ; Jia Yu WANG ; Yang LUO ; Rui Gang CAI ; Shan Shan CHEN ; Peng YUAN ; Fei MA ; Bing He XU ; Pin ZHANG
Chinese Journal of Oncology 2023;45(8):709-716
Objective: To provide survival evidence of anthracycline-free neoadjuvant chemotherapy for patients with stages Ⅱ-Ⅲ human epidermal growth factor receptor-2 (HER-2) positive and hormone receptor (HR) negative breast cancer. Methods: The prospective cohort study was conducted at the Department of Medical Oncology of Cancer Hospital, Chinese Academy of Medical Sciences. Patients with HER-2 positive and HR negative breast cancer in stages Ⅱ-Ⅲ were enrolled to receive neoadjuvant therapy (NAT) of dose-dense paclitaxel (175 mg/m(2)) plus carboplatin (AUC=4.0) biweekly for 6 cycles in combination with trastuzumab (PCbH), and matched patients who received standard adjuvant therapy of physicians' choice were recruited for survival and safety comparison. Results: From July 2013 to November 2019, 166 patients were included (neoadjuvant 51, adjuvant 115). Compared with those who received adjuvant therapy, patients receiving NAT were younger (<35 years: 19.6% vs 5.2%, P=0.014), had larger tumors (T3: 62.7% vs 7.8%, P<0.001) and more advanced diseases (stage ⅡA: 2.0% vs 41.7%, P<0.001). Patients in the neoadjuvant group all received surgery, and 96 (83.5%) in the adjuvant group received anthracycline-and-taxane-containing regimens. A total of 98 patients (49 pairs) were matched, and the covariates between the two groups were acceptably balanced. Within a median follow-up of 46.5 (range, 14-87) months, the 4-year recurrence-free survival (RFS) rate among patients who received NAT was 73.3% (95% CI: 59.0%-87.6%), versus 80.6% (95% CI: 67.9%-93.3%) among those in the adjuvant group without statistical difference (P=0.418). A similar result was observed for the 4-year overall survival (OS) [neoadjuvant versus adjuvant: 91.5% (95% CI: 81.7%-100.0%) vs 97.8% (95% CI: 93.5%-100.0%), P=0.314]. Compared with standard adjuvant therapy, PCbH was related to less neutropenia and better cardiac safety. Conclusions: These results support the consideration of anthracycline-free neoadjuvant chemotherapy combined with anti-HER-2 therapy for patients with stages Ⅱ-Ⅲ HER-2-positive and HR-negative breast cancer. Optimized regimens with both efficacy and safety are needed and to be further investigated.
Female
;
Humans
;
Anthracyclines/therapeutic use*
;
Antibiotics, Antineoplastic/therapeutic use*
;
Antineoplastic Combined Chemotherapy Protocols/therapeutic use*
;
Carboplatin/therapeutic use*
;
Chemotherapy, Adjuvant
;
Hormones/therapeutic use*
;
Neoadjuvant Therapy
;
Paclitaxel/therapeutic use*
;
Prospective Studies
;
Receptor, ErbB-2/metabolism*
;
Trastuzumab/therapeutic use*
;
Triple Negative Breast Neoplasms/drug therapy*
7.Efficacy and survival outcomes of dose-dense carboplatin plus paclitaxel as neoadjuvant chemotherapy for triple-negative breast cancer.
Yang LIU ; Meng XIU ; Xiang WANG ; Qing LI ; Jia Yu WANG ; Ying FAN ; Qiao LI ; Shan Shan CHEN ; Rui Gang CAI ; Hong Nan MO ; Fei MA ; Yang LUO ; Bing He XU ; Pin ZHANG
Chinese Journal of Oncology 2022;44(2):178-184
Objective: To evaluate the efficacy and survival outcomes of dose-dense (biweekly) carboplatin plus paclitaxel (PC) as neoadjuvant chemotherapy (NAC) in triple-negative breast cancer (TNBC), and to explore an optimal neoadjuvant chemotherapy regimen for TNBC. Methods: Patients diagnosed as TNBC(cT1-4N0-3M0) in Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College Between January 2008 and September 2018 who received dose-dense PC and standard 3-weekly PC as NAC were 1∶1 matched using propensity score matching (PSM) to compare the efficacy, safety and survival outcomes. Results: One hundred of TNBC patients were enrolled (50 patients were divided in dose-dense group, 50 patients in standard group). The objective response rate (ORR) of dose-dense group and standard group were both 90.0% (45/50). The grade 3-4 neutropenia in dose-dense group was less than that of standard group (32.7% vs. 68.0%, P=0.001), while the rate of ALT/AST elevation in dose-dense group was higher than that of standard group (57.1% vs. 32.0%, P=0.012). The pathological complete response (pCR) rates were 34.0% (17/50) in dose-dense group and 38.0% (19/50) in standard group, without statistically significance (P=0.677). The median follow-up time was 55 months (3-150 months). The 5-year recurrence-free survival (RFS) in dose-dense group and standard group were 83.5% and 75.2%, respectively the 5-year overall survival (OS) in dose-dense and standard group were 87.9% and 84.5% the difference were not statistically significant (P=0.322 and 0.647, respectively). Patients with residual disease (tumor size≥1 cm or lymph node positive) had poor prognosis, the 5-year RFS and OS were 59.3% and 68.5%, respectively. Conclusions: Dose-dense PC has similar efficacy with standard 3-weekly PC and has a good safety profile. Since dose-dense regimen can shorten the duration of therapy, it can be an alternative in TNBC.
Antineoplastic Combined Chemotherapy Protocols/therapeutic use*
;
Carboplatin/therapeutic use*
;
Humans
;
Neoadjuvant Therapy/adverse effects*
;
Paclitaxel/therapeutic use*
;
Treatment Outcome
;
Triple Negative Breast Neoplasms/pathology*
8.Clinical study on acupuncture and moxibustion for frozen shoulder: an evidence map.
Xing MENG ; Wen-Cui XIU ; Xiang-Yu HU ; Rui-Min JIAO ; Lan-Jun SHI ; Ji-Wei YANG ; Wei-Juan GANG ; Xiang-Hong JING
Chinese Acupuncture & Moxibustion 2022;42(2):227-230
The clinical evidences on acupuncture and moxibustion for the treatment of frozen shoulder were sorted and summarized systematically. The relevant articles of frozen shoulder treated with acupuncture and moxibustion were searched from PubMed, EMbase, Cochrane database of systematic review (CDSR), Cochrane database of controlled trials register (CENTRAL), China national knowledge infrastructure (CNKI), Wanfang, VIP, and Chinese biomedical literature databases (SinoMed), from database inception to May 31, 2021. Using AMSTAR-2, the methodological quality of the included systematic reviews was evaluated. With evidence map, the current status of clinical evidence was summarized on acupuncture and moxibustion in treatment of frozen shoulder. A total of 266 original studies and 6 systematic reviews were included finally. At present, many randomized controlled trials are designed with small sample size and the simple acupuncture and moxibustion therapy is dominant as the intervention, e.g. warm acupuncture, acupuncture with filiform needle, acupotomy and electroacupuncture. The outcomes considered in the current trials focus on clinical effective rate, the score of shoulder pain, the score of shoulder function and the score of quality of life. Most of the studies have shown that acupuncture and moxibustion is advantageous as an adjunctive therapy for frozen shoulder, but its clinical evidence is few in terms of the recurrence rate and safety. Moreover, it needs to improve the evidence quality of the relevant studies on acupuncture and moxibustion for frozen shoulder.
Acupuncture Therapy
;
Bursitis/therapy*
;
Electroacupuncture
;
Humans
;
Moxibustion
;
Quality of Life
9.Analysis on influencing factors of acupuncture curative effect based on experts' experience.
Xing MENG ; Wei-Juan GANG ; Wen-Cui XIU ; Zi-Yu TIAN ; Xiao-Yi HU ; Rui-Min JIAO ; Lan-Jun SHI ; Ji-Wei YANG ; Xiang-Yu HU ; Xiang-Hong JING
Chinese Acupuncture & Moxibustion 2022;42(5):585-589
To explore the influencing factors of acupuncture curative effect in literature of experts' experience. The journal literature of experts' experience was retrieved from China National Knowledge Infrastructure (CNKI) and PubMed, starting from inception to September 4, 2020, and the influencing factors of acupuncture curative effect were extracted and analyzed. A total of 499 articles were included, involving 495 articles in Chinese and 4 articles in English. The influencing factors of acupuncture curative effect mainly include five aspects: diagnostic method, acupoint selection of acupuncture, acupuncture manipulation, regulating mind of acupuncture and acupuncture time, and provide reference for acupuncture protocol design in clinical trials.
Acupuncture
;
Acupuncture Points
;
Acupuncture Therapy/methods*
;
PubMed
;
Publications
10.Clinical treatment outcomes and their changes in extremely preterm twins: a multicenter retrospective study in Guangdong Province, China.
Bi-Jun SHI ; Ying LI ; Fan WU ; Zhou-Shan FENG ; Qi-Liang CUI ; Chuan-Zhong YANG ; Xiao-Tong YE ; Yi-Heng DAI ; Wei-Yi LIANG ; Xiu-Zhen YE ; Jing MO ; Lu DING ; Ben-Qing WU ; Hong-Xiang CHEN ; Chi-Wang LI ; Zhe ZHANG ; Xiao RONG ; Wei SHEN ; Wei-Min HUANG ; Bing-Yan YANG ; Jun-Feng LYU ; Hui-Wen HUANG ; Le-Ying HUO ; Hong-Ping RAO ; Wen-Kang YAN ; Xue-Jun REN ; Yong YANG ; Fang-Fang WANG ; Dong LIU ; Shi-Guang DIAO ; Xiao-Yan LIU ; Qiong MENG ; Yu WANG ; Bin WANG ; Li-Juan ZHANG ; Yu-Ge HUANG ; Dang AO ; Wei-Zhong LI ; Jie-Ling CHEN ; Yan-Ling CHEN ; Wei LI ; Zhi-Feng CHEN ; Yue-Qin DING ; Xiao-Yu LI ; Yue-Fang HUANG ; Ni-Yang LIN ; Yang-Fan CAI ; Sha-Sha HAN ; Ya JIN ; Guo-Sheng LIU ; Zhong-He WAN ; Yi BAN ; Bo BAI ; Guang-Hong LI ; Yue-Xiu YAN
Chinese Journal of Contemporary Pediatrics 2022;24(1):33-40
OBJECTIVES:
To investigate the clinical treatment outcomes and the changes of the outcomes over time in extremely preterm twins in Guangdong Province, China.
METHODS:
A retrospective analysis was performed for 269 pairs of extremely preterm twins with a gestational age of <28 weeks who were admitted to the department of neonatology in 26 grade A tertiary hospitals in Guangdong Province from January 2008 to December 2017. According to the admission time, they were divided into two groups: 2008-2012 and 2013-2017. Besides, each pair of twins was divided into the heavier infant and the lighter infant subgroups according to birth weight. The perinatal data of mothers and hospitalization data of neonates were collected. The survival rate of twins and the incidence rate of complications were compared between the 2008-2012 and 2013-2017 groups.
RESULTS:
Compared with the 2008-2012 group, the 2013-2017 group (both the heavier infant and lighter infant subgroups) had lower incidence rates of severe asphyxia and smaller head circumference at birth (P<0.05). The mortality rates of both of the twins, the heavier infant of the twins, and the lighter infant of the twins were lower in the 2013-2017 group compared with the 2008-2012 group (P<0.05). Compared with the 2008-2012 group, the 2013-2017 group (both the heavier infant and lighter infant subgroups) had lower incidence rates of pulmonary hemorrhage, patent ductus arteriosus (PDA), periventricular-intraventricular hemorrhage (P-IVH), and neonatal respiratory distress syndrome (NRDS) and a higher incidence rate of bronchopulmonary dysplasia (P<0.05).
CONCLUSIONS
There is a significant increase in the survival rate over time in extremely preterm twins with a gestational age of <28 weeks in the 26 grade A tertiary hospitals in Guangdong Province. The incidences of severe asphyxia, pulmonary hemorrhage, PDA, P-IVH, and NRDS decrease in both the heavier and lighter infants of the twins, but the incidence of bronchopulmonary dysplasia increases. With the improvement of diagnosis and treatment, the multidisciplinary collaboration between different fields of fetal medicine including prenatal diagnosis, obstetrics, and neonatology is needed in the future to jointly develop management strategies for twin pregnancy.
Bronchopulmonary Dysplasia/epidemiology*
;
Female
;
Gestational Age
;
Humans
;
Infant
;
Infant, Extremely Premature
;
Infant, Newborn
;
Pregnancy
;
Respiratory Distress Syndrome, Newborn/epidemiology*
;
Retrospective Studies
;
Treatment Outcome

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