1.Risk factors for neonatal asphyxia and establishment of a nomogram model for predicting neonatal asphyxia in Hubei Enshi Tujia and Miao Autonomous Prefecture: a multicenter study.
Fang JIN ; Yu CHEN ; Yi-Xun LIU ; Su-Ying WU ; Chao-Ce FANG ; Yong-Fang ZHANG ; Lu ZHENG ; Li-Fang ZHANG ; Xiao-Dong SONG ; Hong XIA ; Er-Ming CHEN ; Xiao-Qin RAO ; Guang-Quan CHEN ; Qiong YI ; Yan HU ; Lang JIANG ; Jing LI ; Qing-Wei PANG ; Chong YOU ; Bi-Xia CHENG ; Zhang-Hua TAN ; Ya-Juan TAN ; Ding ZHANG ; Tie-Sheng YU ; Jian RAO ; Yi-Dan LIANG ; Shi-Wen XIA
Chinese Journal of Contemporary Pediatrics 2023;25(7):697-704
		                        		
		                        			OBJECTIVES:
		                        			To investigate the risk factors for neonatal asphyxia in Hubei Enshi Tujia and Miao Autonomous Prefecture and establish a nomogram model for predicting the risk of neonatal asphyxia.
		                        		
		                        			METHODS:
		                        			A retrospective study was conducted with 613 cases of neonatal asphyxia treated in 20 cooperative hospitals in Enshi Tujia and Miao Autonomous Prefecture from January to December 2019 as the asphyxia group, and 988 randomly selected non-asphyxia neonates born and admitted to the neonatology department of these hospitals during the same period as the control group. Univariate and multivariate analyses were used to identify risk factors for neonatal asphyxia. R software (4.2.2) was used to establish a nomogram model. Receiver operator characteristic curve, calibration curve, and decision curve analysis were used to assess the discrimination, calibration, and clinical usefulness of the model for predicting the risk of neonatal asphyxia, respectively.
		                        		
		                        			RESULTS:
		                        			Multivariate logistic regression analysis showed that minority (Tujia), male sex, premature birth, congenital malformations, abnormal fetal position, intrauterine distress, maternal occupation as a farmer, education level below high school, fewer than 9 prenatal check-ups, threatened abortion, abnormal umbilical cord, abnormal amniotic fluid, placenta previa, abruptio placentae, emergency caesarean section, and assisted delivery were independent risk factors for neonatal asphyxia (P<0.05). The area under the curve of the model for predicting the risk of neonatal asphyxia based on these risk factors was 0.748 (95%CI: 0.723-0.772). The calibration curve indicated high accuracy of the model for predicting the risk of neonatal asphyxia. The decision curve analysis showed that the model could provide a higher net benefit for neonates at risk of asphyxia.
		                        		
		                        			CONCLUSIONS
		                        			The risk factors for neonatal asphyxia in Hubei Enshi Tujia and Miao Autonomous Prefecture are multifactorial, and the nomogram model based on these factors has good value in predicting the risk of neonatal asphyxia, which can help clinicians identify neonates at high risk of asphyxia early, and reduce the incidence of neonatal asphyxia.
		                        		
		                        		
		                        		
		                        			Infant, Newborn
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Pregnancy
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Nomograms
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Cesarean Section
		                        			;
		                        		
		                        			Risk Factors
		                        			;
		                        		
		                        			Asphyxia Neonatorum/etiology*
		                        			
		                        		
		                        	
2.Status of fungal sepsis among preterm infants in 25 neonatal intensive care units of tertiary hospitals in China.
Xin Cheng CAO ; Si Yuan JIANG ; Shu Juan LI ; Jun Yan HAN ; Qi ZHOU ; Meng Meng LI ; Rui Miao BAI ; Shi Wen XIA ; Zu Ming YANG ; Jian Fang GE ; Bao Quan ZHANG ; Chuan Zhong YANG ; Jing YUAN ; Dan Dan PAN ; Jing Yun SHI ; Xue Feng HU ; Zhen Lang LIN ; Yang WANG ; Li Chun ZENG ; Yan Ping ZHU ; Qiu Fang WEI ; Yan GUO ; Ling CHEN ; Cui Qing LIU ; Shan Yu JIANG ; Xiao Ying LI ; Hui Qing SUN ; Yu Jie QI ; Ming Yan HEI ; Yun CAO
Chinese Journal of Pediatrics 2023;61(1):29-35
		                        		
		                        			
		                        			Objective: To analyze the prevalence and the risk factors of fungal sepsis in 25 neonatal intensive care units (NICU) among preterm infants in China, and to provide a basis for preventive strategies of fungal sepsis. Methods: This was a second-analysis of the data from the "reduction of infection in neonatal intensive care units using the evidence-based practice for improving quality" study. The current status of fungal sepsis of the 24 731 preterm infants with the gestational age of <34+0 weeks, who were admitted to 25 participating NICU within 7 days of birth between May 2015 and April 2018 were retrospectively analyzed. These preterm infants were divided into the fungal sepsis group and the without fungal sepsis group according to whether they developed fungal sepsis to analyze the incidences and the microbiology of fungal sepsis. Chi-square test was used to compare the incidences of fungal sepsis in preterm infants with different gestational ages and birth weights and in different NICU. Multivariate Logistic regression analysis was used to study the outcomes of preterm infants with fungal sepsis, which were further compared with those of preterm infants without fungal sepsis. The 144 preterm infants in the fungal sepsis group were matched with 288 preterm infants in the non-fungal sepsis group by propensity score-matched method. Univariate and multivariate Logistic regression analysis were used to analyze the risk factors of fungal sepsis. Results: In all, 166 (0.7%) of the 24 731 preterm infants developed fungal sepsis, with the gestational age of (29.7±2.0) weeks and the birth weight of (1 300±293) g. The incidence of fungal sepsis increased with decreasing gestational age and birth weight (both P<0.001). The preterm infants with gestational age of <32 weeks accounted for 87.3% (145/166). The incidence of fungal sepsis was 1.0% (117/11 438) in very preterm infants and 2.0% (28/1 401) in extremely preterm infants, and was 1.3% (103/8 060) in very low birth weight infants and 1.7% (21/1 211) in extremely low birth weight infants, respectively. There was no fungal sepsis in 3 NICU, and the incidences in the other 22 NICU ranged from 0.7% (10/1 397) to 2.9% (21/724), with significant statistical difference (P<0.001). The pathogens were mainly Candida (150/166, 90.4%), including 59 cases of Candida albicans and 91 cases of non-Candida albicans, of which Candida parapsilosis was the most common (41 cases). Fungal sepsis was independently associated with increased risk of moderate to severe bronchopulmonary dysplasia (BPD) (adjusted OR 1.52, 95%CI 1.04-2.22, P=0.030) and severe retinopathy of prematurity (ROP) (adjusted OR 2.55, 95%CI 1.12-5.80, P=0.025). Previous broad spectrum antibiotics exposure (adjusted OR=2.50, 95%CI 1.50-4.17, P<0.001), prolonged use of central line (adjusted OR=1.05, 95%CI 1.03-1.08, P<0.001) and previous total parenteral nutrition (TPN) duration (adjusted OR=1.04, 95%CI 1.02-1.06, P<0.001) were all independently associated with increasing risk of fungal sepsis. Conclusions: Candida albicans and Candida parapsilosis are the main pathogens of fungal sepsis among preterm infants in Chinese NICU. Preterm infants with fungal sepsis are at increased risk of moderate to severe BPD and severe ROP. Previous broad spectrum antibiotics exposure, prolonged use of central line and prolonged duration of TPN will increase the risk of fungal sepsis. Ongoing initiatives are needed to reduce fungal sepsis based on these risk factors.
		                        		
		                        		
		                        		
		                        			Infant
		                        			;
		                        		
		                        			Infant, Newborn
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Birth Weight
		                        			;
		                        		
		                        			Intensive Care Units, Neonatal
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Tertiary Care Centers
		                        			;
		                        		
		                        			Infant, Extremely Low Birth Weight
		                        			;
		                        		
		                        			Gestational Age
		                        			;
		                        		
		                        			Infant, Extremely Premature
		                        			;
		                        		
		                        			Sepsis/epidemiology*
		                        			;
		                        		
		                        			Retinopathy of Prematurity/epidemiology*
		                        			;
		                        		
		                        			Bronchopulmonary Dysplasia/epidemiology*
		                        			
		                        		
		                        	
3.Impact of neoadjuvant chemotherapy on long-term prognosis for borderline resectable pancreatic cancer treated with combined allogeneic vascular replacement
Jincan HUANG ; Fei PAN ; Tao JIANG ; Jing WANG ; Qing CHEN ; Mengxiu HUANG ; Qiang HE ; Ren LANG
Chinese Journal of Hepatobiliary Surgery 2022;28(8):582-586
		                        		
		                        			
		                        			Objective:To evaluate the impact of neoadjuvant chemotherapy on long-term prognosis of patients with borderline resectable pancreatic cancer (BRPC) treated with combined allograft revascularization.Methods:The data of patients with BRCP who were treated at Beijing Chaoyang Hospital, Capital Medical University from March 2016 to March 2021 were retrospectively analysed. Of 52 patients who underwent radical surgery combined with allograft revascularization in this study, there were 24 males and 28 females, aged (60.3±10.6) years old. These patients were divided into two groups based on whether they received neoadjuvant chemotherapy before surgery. There were 19 patients in the neoadjuvant chemotherapy group and 33 patients in the vascular replacement group. Outpatient clinic and telephone follow-up were used. The clinical data and prognostic differences between the two groups were then analysed.Results:Of 52 patients who underwent surgery successfully, 14 patients (26.9%) developed postoperative complications. The incidence of postoperative pancreatic fistula was significantly lower in the neoadjuvant chemotherapy group than the vascular replacement group (0 vs. 21.2%, P<0.05). The median survivals were 15 and 13 months in the neoadjuvant chemotherapy and the vascular replacement groups, respectively, with a significant difference in cumulative postoperative survival between the two groups ( P=0.039). For patients with BRPC, CA19-9>400 U/ml ( RR=4.540, 95% CI: 2.332-8.836, P<0.001) was an independent risk factor for long-term survival after surgery. Conclusions:Neoadjuvant chemotherapy reduced the incidence of postoperative pancreatic fistula and improved survival prognosis in patients with BRPC. A high preoperative serum CA19-9 level was an independent risk factor for long-term survival in patients with BRPC.
		                        		
		                        		
		                        		
		                        	
4.A clinical epidemiological investigation of neonatal acute respiratory distress syndrome in southwest Hubei, China.
Yong-Fang ZHANG ; Xin-Qiao YU ; Jian-Hua LIAO ; Feng YANG ; Cong-Rong TAN ; Su-Ying WU ; Shi-Qing DENG ; Jun-Yuan FENG ; Jia-Yan HUANG ; Zuo-Fen YUAN ; Kai-Dian LIU ; Zhen-Ju HUANG ; Li-Fang ZHANG ; Zheng-Guo CHEN ; Hong XIA ; Lin-Lin LUO ; Yan HU ; Hua-Sheng WU ; Hong-Ling XIE ; Bao-Min FEI ; Qing-Wei PANG ; Song-Hua ZHANG ; Bi-Xia CHENG ; Lang JIANG ; Chang-Tao SHEN ; Qiong YI ; Xiao-Guang ZHOU
Chinese Journal of Contemporary Pediatrics 2020;22(9):942-947
		                        		
		                        			OBJECTIVE:
		                        			To investigate the clinical features and outcome of neonatal acute respiratory distress syndrome (ARDS) in southwest Hubei, China.
		                        		
		                        			METHODS:
		                        			According to the Montreux definition of neonatal ARDS, a retrospective clinical epidemiological investigation was performed on the medical data of neonates with ARDS who were admitted to Department of Neonatology/Pediatrics in 17 level 2 or level 3 hospitals in southwest Hubei from January to December, 2017.
		                        		
		                        			RESULTS:
		                        			A total of 7 150 neonates were admitted to the 17 hospitals in southwest Hubei during 2017 and 66 (0.92%) were diagnosed with ARDS. Among the 66 neonates with ARDS, 23 (35%) had mild ARDS, 28 (42%) had moderate ARDS, and 15 (23%) had severe ARDS. The main primary diseases for neonatal ARDS were perinatal asphyxia in 23 neonates (35%), pneumonia in 18 neonates (27%), sepsis in 12 neonates (18%), and meconium aspiration syndrome in 10 neonates (15%). Among the 66 neonates with ARDS, 10 neonates (15%) were born to the mothers with an age of ≥35 years, 30 neonates (45%) suffered from intrauterine distress, 32 neonates (49%) had a 1-minute Apgar score of 0 to 7 points, 24 neonates (36%) had abnormal fetal heart monitoring results, and 21 neonates (32%) experienced meconium staining of amniotic fluid. Intraventricular hemorrhage was the most common comorbidity (12 neonates), followed by neonatal shock (9 neonates) and patent ductus arteriosus (8 neonates). All 66 neonates with ARDS were treated with mechanical ventilation in addition to the treatment for primary diseases. Among the 66 neonates with ARDS, 10 died, with a mortality rate of 15% (10/66), and 56 neonates were improved or cured, with a survival rate of 85% (56/66).
		                        		
		                        			CONCLUSIONS
		                        			Neonatal ARDS in southwest Hubei is mostly mild or moderate. Perinatal asphyxia and infection may be the main causes of neonatal ARDS in this area. Intraventricular hemorrhage is the most common comorbidity. Neonates with ARDS tend to have a high survival rate after multimodality treatment.
		                        		
		                        		
		                        		
		                        			China
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Infant, Newborn
		                        			;
		                        		
		                        			Meconium Aspiration Syndrome
		                        			;
		                        		
		                        			Pregnancy
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		                        			Respiratory Distress Syndrome, Newborn
		                        			;
		                        		
		                        			Retrospective Studies
		                        			
		                        		
		                        	
5.Ultrasound-guided minimal traverse-cross technique repair for acute closed Achilles tendon ruptures.
Xin ZHENG ; Tao CHEN ; Yang HUANG ; Xiao-Kang GONG ; Lang-Qing JIANG ; Yong-Sheng LI ; Wei-Jie CHEN ; Jian-Wei RUAN ; Hai-Bao WANG
China Journal of Orthopaedics and Traumatology 2019;32(8):712-716
		                        		
		                        			OBJECTIVE:
		                        			To explore clinical effects of ultrasound-guided minimal traverse-cross technique repair for acute closed Achilles tendon ruptures.
		                        		
		                        			METHODS:
		                        			From January 2015 to March 2017, 20 patients with acute closed Achilles tendon rupture were treated by minimal traverse-cross technique repair with ultrasound guided. Among them, including 13 males and 7 females, aged from 28 to 49 years old with an average of(31.3 ±4.5) years old. All patients were single side injury. Fifteen patients on the left side and 5 patients were on the right side. The time from injury to operation ranged from 1 to 5 days with an average of (2.5±0.7) days. Operative time, postoperative complications were observed, and AOFAS score before and after operation at 12 months were compared.
		                        		
		                        			RESULTS:
		                        			All patients were followed up for 12 to 27 months with an average of(15.2±4.9) months. Operative time ranged from 33 to 65 min with an average of(43.7±5.6) min. Incision of one patient were continued oozing and improved after changing dressings, other patients were healed at stage I. No sural nerve irritation symptoms and palindromic rapture of heel tendon occurred. AOFAS score was improved from 65.2±7.4 before operation to 97.7±4.7 after operation at 12 months (t=22.5, <0.01); 18 patients got excellent results and 2 good.
		                        		
		                        			CONCLUSIONS
		                        			Ultrasound-guided minimal traverse-cross technique repair for acute closed Achilles tendon ruptures, which promise minimal incision, protect sural nerve, ensure quality of tendon anastomosis and fixation, and is a ideal method for repairing acute closed Achilles tendon ruptures.
		                        		
		                        		
		                        		
		                        			Achilles Tendon
		                        			;
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Rupture
		                        			;
		                        		
		                        			Sural Nerve
		                        			;
		                        		
		                        			Sutures
		                        			;
		                        		
		                        			Tendon Injuries
		                        			;
		                        		
		                        			Treatment Outcome
		                        			
		                        		
		                        	
6.Analysis of medicinal resources diversity of 33 pilots (districts) in Guizhou province.
Xiao-Qi HOU ; Wei-Ke JIANG ; Pei-Lang SONG ; Sheng-Hua WEI ; Qing-Wen SUN ; Cheng-Gang HU ; Tao ZHOU ; Qian ZHOU ; Ming-Chuan WANG ; Cheng-Hong XIAO
China Journal of Chinese Materia Medica 2019;44(2):265-269
		                        		
		                        			
		                        			This study is based on the data analysis of medicinal plant resources and diversity collected from the fourth Chinese traditional medicine resource survey( pilot). Through the analysis of relevant data from 33 census pioneer plots in Guizhou province( area),a total of 265 families,1 432 genera and 5 296 species of medicinal resources were reported,including algae,fungi,lichens,mosses,a total of 43 genera and 35 families,57,48 families,120 genera and 453 species of ferns,gymnosperms 11 families,22 genera and 61 species,167 families,1 243 genera and 4 721 species of angiosperms,4 genera and 4 families four medicinal animals.Compared with the data related to the third survey of traditional Chinese medicine resources,the number of ferns,gymnosperms and angiosperms in the fourth survey has increased far more than that of the third survey. From the regional distribution of medicinal resources,the composition of the genus,the type of life,and the location of the medicine,the richness of the medicinal plant resources in Guizhou province is not only reflected in many types,but also in the variety of medicinal resources. These studies provide a scientific basis for vigorously developing the Chinese herbal medicine industry and the sustainably using medicinal plant resources in Guizhou province.
		                        		
		                        		
		                        		
		                        			China
		                        			;
		                        		
		                        			Cycadopsida
		                        			;
		                        		
		                        			Drugs, Chinese Herbal
		                        			;
		                        		
		                        			Ferns
		                        			;
		                        		
		                        			Magnoliopsida
		                        			;
		                        		
		                        			Medicine, Chinese Traditional
		                        			;
		                        		
		                        			Plants, Medicinal
		                        			;
		                        		
		                        			classification
		                        			
		                        		
		                        	
7.A novel case of disseminated blastomycosis in China
Fu MENG-JIAO ; Zhou HUA ; Ma WEN-JIANG ; Yang QING ; Leng BAO-LANG ; Xu XUAN-LI
Chinese Medical Journal 2019;132(24):3006-3008
		                        		
		                        		
		                        		
		                        	
8.Influence of Medial Support Screws on the Maintenance of Fracture Reduction after Locked Plating of Proximal Humerus Fractures.
Lang-Qing ZENG ; Lu-Lu ZENG ; Yu-Wen JIANG ; Hai-Feng WEI ; Wen ZHANG ; Yun-Feng CHEN
Chinese Medical Journal 2018;131(15):1827-1833
		                        		
		                        			Background:
		                        			Technical aspects of the correct placement of medial support locking screws in the locking plate for proximal humerus fractures remain incompletely understood. This study was to evaluate the clinical relationship between the number of medial support screws and the maintenance of fracture reduction after locked plating of proximal humerus fractures.
		                        		
		                        			Methods:
		                        			We retrospectively evaluated 181 patients who had been surgically treated for proximal humeral fractures (PHFs) with a locking plate between September 2007 and June 2013. All cases were then subdivided into one of four groups as follows: 75 patients in the medial cortical support (MCS) group, 26 patients in the medial multiscrew support (MMSS) group, 29 patients in the medial single screw support (MSSS) group, and 51 patients in the no medial support (NMS) group. Clinical and radiographic evaluations included the Constant-Murley score (CM), visual analogue scale (VAS), complications, and revision surgeries. The neck-shaft angle (NSA) was measured in a true anteroposterior radiograph immediately postoperation and at final follow-up. One-way analysis of variance or Kruskal-Wallis test was used for statistical analysis of measurement data, and Chi-square test or Fisher's exact test was used for categorical data.
		                        		
		                        			Results:
		                        			The mean postoperative NSAs were 133.46° ± 6.01°, 132.39° ± 7.77°, 135.17° ± 10.15°, and 132.41° ± 7.16° in the MCS, MMSS, MSSS, and NMS groups, respectively, and no significant differences were found (F = 1.02, P = 0.387). In the final follow-up, the NSAs were 132.79° ± 6.02°, 130.19° ± 9.25°, 131.28° ± 12.85°, and 127.35° ± 8.50° in the MCS, MMSS, MSSS, and NMS groups, respectively (F = 4.40, P = 0.008). There were marked differences in the NSA at the final follow-up between the MCS and NMS groups (P = 0.004). The median (interquartile range [IQR]) NSA losses were 0.0° (0.0-1.0)°, 1.3° (0.0-3.1)°, 1.5° (1.0-5.2)°, and 4.0° (1.2-7.1)° in the MCS, MMSS, MSSS, and NMS groups, respectively (H = 60.66, P < 0.001). There were marked differences in NSA loss between the MCS and the other three groups (MCS vs. MMSS, Z = 3.16, P = 0.002; MCS vs. MSSS, Z = 4.78, P < 0.001; and MCS vs. NMS, Z = 7.34, P < 0.001). There was also significantly less NSA loss observed in the MMSS group compared to the NMS group (Z = -3.16, P = 0.002). However, there were no significant differences between the MMSS and MSSS groups (Z = -1.65, P = 0.225) or the MSSS and NMS groups (Z = -1.21, P = 0.099). The average CM scores were 81.35 ± 9.79, 78.04 ± 8.97, 72.76 ± 10.98, and 67.33 ± 12.31 points in the MCS, MMSS, MSSS, and NMS groups, respectively (F = 18.68, P < 0.001). The rates of excellent and good CM scores were 86.67%, 80.77%, 65.52%, and 43.14% in the MCS, MMSS, MSSS, and NMS groups, respectively (χ = 29.25, P < 0.001). The median (IQR) VAS scores were 1 (0-2), 1 (0-2), 2 (1-3), and 3 (1-5) points in the MCS, MMSS, MSSS, and NMS groups, respectively (H = 27.80, P < 0.001). Functional recovery was markedly better and VAS values were lower in the MCS and MMSS groups (for CM scores: MCS vs. MSSS, P < 0.001; MCS vs. NMS, P < 0.001; MMSS vs. MSSS, P = 0.031; and MMSS vs. NMS, P < 0.001 and for VAS values: MCS vs. MSSS, Z = 3.31, P = 0.001; MCS vs. NMS, Z = 4.64, P < 0.001; MMSS vs. MSSS, Z = -2.09, P = 0.037; and MMSS vs. NMS, Z = -3.16, P = 0.003).
		                        		
		                        			Conclusions
		                        			Medial support screws might help enhance mechanical stability and maintain fracture reduction when used to treat PHFs with medial metaphyseal comminution or malreduction.
		                        		
		                        		
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Bone Plates
		                        			;
		                        		
		                        			Bone Screws
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Fracture Fixation, Internal
		                        			;
		                        		
		                        			methods
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Humerus
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Shoulder Fractures
		                        			;
		                        		
		                        			surgery
		                        			;
		                        		
		                        			Treatment Outcome
		                        			
		                        		
		                        	
9.Treatment of Pipkin type I and II femoral head fractures through modified Smith-Peterson approach and modified Hardinge approach-a case-control studies.
Yu-Qing JIANG ; Jian HUANG ; Wei-Kang GUO ; Bing LAI ; Jun WANG ; Chuan-Xing LIANG ; Song-Lang LIU ; Wei-Ming LIN
China Journal of Orthopaedics and Traumatology 2017;30(7):616-621
OBJECTIVETo compare clinical results of treatment of Pipkin type I and II femoral head fractures through modified Smith-Peterson(S-P) approach and modified Hardinge approach.
METHODSFrom July 2005 to July 2014, 42 patients with Pipkin type I and II femoral head fractures were treated with operation. A total of 23 patients in anterior group was treated with modified S-P approach including 17 males and 6 females with an average age of (29.3±9.4) years old, 5 cases of type I by excision of the fragement, 3 cases of type I and 15 cases of type II cases by fixation of the fragement. While a total of 19 patients in the lateral group was treated with modified Hardinge approach including 15 males and 4 females with an average age of (31.4±10.0) years old, 3 cases of type I by excision of the fragement, 4 cases of type I and 12 cases of type II by fixation of the fragement. Operative time, blood loss during operation and fracture healing time were observed and compared. The clinical and radiographic outcomes of the patients were measured using Thompson-Epstein scoring scale. The effect of hip reduction time of less than 6 h, 6 to12 h, and more than 12 h, the effect of surgery time within 24 h and more than 24 h after injury were compared.
RESULTSAll patients were followed up from 24 to 60 months with an average of(30.29±6.95) months. The operation time (61.96±12.22) min, blood loss (46.09±18.03) ml, and (74.74±10.06) min, blood loss (72.11±19.88) ml in lateral group in the anterior group were better than those of lateral group(<0.05). In anterior group, fracture healing time was(12.22±1.70) weeks, the results were excellent in 8 cases, good in 10 cases, fair in 4 cases and poor in 1 case, the excellent and good rate was 78.3%, the incidence of avascular necrosis of femoral head was 8.69%(2/23), and the incidence of heterotopic ossification was 13.04%(3/23). While in lateral group, the fracture healing time was(12.42±1.95) weeks, the results were excellent in 6 cases, good in 7 cases, fair in 3 cases and poor in 3 cases, the excellent and good rate was 68.4%, the incidence of avascular necrosis of femoral head was 10.53%(2/19), and the incidence of heterotopic ossification was 5.26%(1/19). There was no significant difference in fracture healing time, postoperative effect and postoperative complications between the anterior group and lateral group(<0.05). The effect of patients with reduction time of hip dislocation less than 12 h was significantly better than that of more than 12 h, there was no significant difference in the effect between reduction time within 6 h and 6 to 12 h. There was no significant difference in the outcome between surgical patients within 24 h and more than 24 h after injury.
CONCLUSIONSDislocated hip of Pipkin type I and II femoral head fractures should be closed reduction within 6 h. If conditions are limited, the reduction time can be accepted within 12 h. Both of modified S-P approach and modified Hardinge approach are effective in treating Pipkin type I and II femoral head fractures, and can obtain excellent outcomes. Moreover, modified S-P approach has advantage of less trauma, less blood loss, shorter operative time.
10.Effect of EBV immediate-early protein Zta on the cell cycle of Daudi cells and its mechanisms.
Qing-wei GUO ; Jin-dong GUO ; Xue-mei LIU ; Yun-ze LANG ; Hong-xia ZHANG ; Guo-sheng JIANG
Chinese Journal of Hematology 2012;33(1):47-50
OBJECTIVETo investigate the effect of EBV immediate-early protein Zta on cell cycle of Daudi cells and the involved mechanisms.
METHODSThe expression vector encoding Zta was constructed and electroporated into Daudi cells. Flow cytometric analysis was used to detect the cell cycle, Western blot to the protein levels of p21, Rb and E2F-1.
RESULTSThe vector was constructed successfully, the expression of Zta protein inhibited the proliferation of Daudi cells and promoted cell cycle from G(0)/G(1) phase \[(30.0 ± 3.4)%\] to S phase \[(47.7 ± 1.1)%\]. Meanwhile, Rb expression was significantly downregulated, E2F-1 and p21 expression upregulated by Zta.
CONCLUSIONZta could promote G(0)/G(1) phase to S phase transition in Daudi cells, which might be associated with the reduced expression of Rb and increased expression of E2F-1 and p21 protein.
Cell Cycle ; genetics ; Cell Division ; Cell Line, Tumor ; Cyclin-Dependent Kinase Inhibitor p21 ; metabolism ; E2F1 Transcription Factor ; metabolism ; Genetic Vectors ; Herpesvirus 4, Human ; genetics ; Humans ; Immediate-Early Proteins ; genetics ; Retinoblastoma Protein ; metabolism ; Trans-Activators ; genetics ; Transcriptional Activation ; Viral Proteins ; genetics
            
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