2.Analysis of early clinical features and prognostic factors of children with septic shock
Huixia GAO ; Yi HUI ; Shuang LIU ; Dong QU
Chinese Pediatric Emergency Medicine 2021;28(2):121-125
Objective:To explore the early clinical features and the prognostic factors of children with septic shock in PICU.Methods:A retrospective analysis was conducted at PICU of the Children′s Hospital, Capital Institute of Pediatrics from January 2016 to November 2018, totally 56 children diagnosed as septic shock were enrolled in the study.According to the prognosis of 28 days, the patients were divided into death group and survival group; according to the lowest pediatric critical score (PCIS) within 24 hours after admission to PICU, the children were divided into non-critical group (>80 points), critical group (70-80 points) and extremely critical group (<70 points). The clinical characteristics of early stage in each group were analyzed and compared.Results:Of the 56 children with septic shock, 32 were males and 24 were females, and the mean age was 12.0(1.0, 180.0) months.The overall mortality rate was 37.5%(21/56). The mortality of non-critical group, critical group and extremely critical group were 12.5%(2/16), 16.7%(1/6) and 52.9%(18/34), respectively.There were no statistically significant differences between survival group and death group in gender and age, PICU stay time, heart rate, mean arterial pressure at 1 hour and 24 hours, ventilator using and the duration of mechanical ventilation(all P>0.05). The vasoactive-inotropic score(VIS) at 6 hours and 24 hours of death group were significantly higher than those in survival group[19.0(5.0-29.5) vs.5.0(0.0-10.0), 22.5(3.5-43.8) vs.5.3(0.0-13.5)]. The scores of PCIS in death group were less than that in survival group(57.3±10.7 vs.72.8±12.0)( t=4.85, P<0.001). The lactate level in survival group before resuscitation was statistically lower than that in death group[1.8(1.3-2.8) mmol/L vs.4.5(2.4-8.4)mmol/L]( Z<-3.70, P<0.05). At 1 hour, 6 hours and 24 hours after treatment, fluid resuscitation volume in death group were markedly higher than that in survival group[1 hour: (41.8±5.8)ml/kg vs.(38.5±5.3)ml/kg, t=-2.22, P<0.05; 6 hours: (69.5±4.4)ml/kg vs.(59.9±3.5)ml/kg, t=-8.96, P<0.05; 24 hours: (122.3±19.6)ml/kg vs.(111.7±16.2)ml/kg, t=-2.20, P<0.05]. Multiple sample comparisons found significant differences between the non-critical group[(60.0±3.5) ml/kg] and the extremely critical group[(65.3±6.0) ml/kg, P<0.05], and pairwise comparison of fliud intake within 1 h and 24 h showed no statistically differences( P>0.05). In the univariate analysis, variables significantly associated with death in septic shock were lactic acid before resuscitation and the 24 h lactate clearance rate, VIS 6 h, VIS 24 h, procalcitonin, ejection fraction, PCIS, 6 h-fluid resuscitation volume and multiple organ dysfunction (MODS). The Logistic regression showed that 6 h-fluid resuscitation volume, PCIS, lactic acid and MODS were independent risk factors.ROC curve analysis showed the AUCs of 6 h-fluid resuscitation volume, PCIS, early lactic acid and MODS for predicting death of septic shock children were 0.947, 0.835, 0.797 and 0.761, respectively. Conclusion:The mortality of septic shock is high, and decreased PCIS, elected serum lactic acid level and early fluid resuscitation, and MODS are risk factors associated with the death of septic shock.
4.Selection of Cd~(2+) Binding-peptides and Their Affinities for Heavy Metal Ions
Jing-Shuang HUANG ; Chun-Yan MA ; Xin TONG ; Zhuo-Lin YI ; Liu XU ; Can-Quan MAO ;
Microbiology 1992;0(05):-
Selection and affinities of Cd binding peptides were assayed by phage random dodecapeptide library and affinity chromatography. Two Cd binding peptides were obtained, it was found that the affinities of Cu~ 2+ ,Co~ 2+ ,Zn~ 2+ ,Ni~ 2+ for Cd binding peptides were higher than that of Cd~ 2+ and Cr~ 2+ after detection of the amplified Cd binding peptides displayed phages to different heavy metal-charged resins; the detoxification of E.coli to Ni~ 2+ and Cd~ 2+ was enhanced when infected by Cd binding peptide displayed phages as compared with those of the control. The interaction of Cd binding peptide displayed phages with heavy metals charged resins was also observed under microscope. The work would be of great value and consequences for the study of interaction between heavy metals and proteins(peptides), as well as thedetoxification and bioremediation of heavy metals.
5.The up-regulation of p-p38 MAPK during the induction of brain ischemic tolerance induced by intermittent hypobaric hypoxia preconditioning in rats.
Xin-Ying BI ; Tian-Shuang WANG ; Min ZHANG ; Qing-Qing LIU ; Wen-Bin LI ; Yi ZHANG
Chinese Journal of Applied Physiology 2014;30(2):97-100
OBJECTIVETo explore the expression of p-p38 MAPK protein and the number of astrocytes expressing p-p38 MAPK in CA1 hippocampus in rats during the induction of brain ischemic tolerance induced by intermittent hypobaric hypoxia (IH) preconditioning.
METHODSThirty healthy adult male Wistar rats were randomly divided into 6 groups (n = 5 in each group): sham 0 min group, IH + sham 0 min group, sham 7 d group, IH + sham 7 d group, Ischemia (Is) 7 d group, and IH + Is 7 d group. Neuropathological evaluation was performed by thionine staining in CA1 hippocampus in rats. The expression of p-p38 MAPK in CA1 hippocampus was observed by immunohistochemical staining. And the number of astrocytes expressing p-p38 MAPK was observed by immunofluorescent double labeling.
RESULTSThe results showed that IH preconditioning induced brain ischemic tolerance successfully. At the same time, IH preconditioning obviously up-regulated the expression of p-p38 MAPK protein in CA1 hippocampus, and also increased the number of astrocytes expressing p-p38 MAPK.
CONCLUSIONIt might be concluded that IH preconditioning induced brain ischemic tolerance by up-regulating the expression of p-p38 MAPK protein in pyramidal neurones and astrocytes.
Animals ; Astrocytes ; enzymology ; pathology ; Brain Ischemia ; enzymology ; pathology ; Disease Models, Animal ; Hippocampus ; enzymology ; Hypoxia ; Ischemic Preconditioning ; methods ; Male ; Phosphorylation ; Pressure ; Rats ; Rats, Wistar ; p38 Mitogen-Activated Protein Kinases ; metabolism
6.Analysis of position of one-piece soft intraocular lens after implantation of intraocular lens with Pentacam
Chun-lei, LIU ; Fang, HUANG ; A-yong, YU ; Shuang-qian ZHU ; Yi-le, XU ; Qin-mei, WANG
Chinese Journal of Experimental Ophthalmology 2011;29(10):913-917
Background The aspheric intraocular lenses(IOLs)can reduce ocular spherical aberration to some degree.However,the clinical effect depends more on the IOL proper alignment.It becomes more important to study the IOL position in eye,Objective This study was to analyze the position alteration of IOL after phacoemulsification combined with implantation of one-piece soft IOLs.Methods In this prospective control study,80 eyes of 40 patients with age-related cataract were enrolled.The phacoemulsification with IOL implantation was performed in all the eyes.Decentration and tilt of IOL in the nasal superior,superior temporal,inferior temporal and nasal inferior quadrants(the intersection point of the system optical axis and the IOL maximum cross plane were regarded as the ordinate origin)were measured by rotating Scheimpflug camera(Pentacam Oculus)in 3 months postoperatively under the mydriasis condition.Written informed consent was obtained from each subject prior to this trial.Results In the right eye group,the IOL decentered toward temporal in 26 eyes(65%)and infratemporal in 16 eyes(40%).IOLs tilted temporally in the horizontal plane in 37 eyes(92.5%)and tilted inferiorly in the vertical plane in 34 eyes(85.0%).In the left eye group,IOLs decentered temporally 33 eyes(82.5%)and 20 IOLs (50%)infratemporally,IOLs tilted temporally in the horizontal plane in 37 eye(92.5%)and 36 IOLs(90%)tilted inferiorly in the vertical plane.There was no statistical difference for the intercomparsion of horizontal/vertical decentration in various quadrant in the right eye(F =0.221,0.792,P>0.05).The obvious elevated horizontal decentration was found in the supertemporal and infratemporal quadrants compared with supernasal quadrant in the left eyes but there was no significant difference in the vertical decentration among 3 quadrants(F=0.576,P>0.05).Decentrations were positively correlated with the tilt in both horizontal and vertical plane(right eye horizontal plane:r=0.374,P=0.002;right eye vertical plane:r=0.402,P=0.001 ;left eye horizontal plane:r=0.377,P=0.002;left eye vertical plane:r=0.347,P=0.002).Conclusions The one-piece soft IOLs(Adapt AO)decenter toward temporal mostly in 3 months after surgery,especially infratemporally in the eye.And the optical axis of the IOL tilt toward infratemperol mostly in both right and left eyes.The decentration and tilt are consisted in the corresponding direction between the right and left eyes.The position of the IOLs showed mirror symmetry between right and left eyes.The IOLs decentration show the positively correlation to tilt whatever in horizontal and vertical plane.
7.The survey of occupational awareness and training needs for health management specialist trainees
Hui FENG ; Shuang XU ; Xiaohong LENG ; Zhiyuan YI ; Jinjian WU ; Yimin LIU
Chinese Journal of Health Management 2015;(3):191-195
Objective To survey the basic situation of trainees, the career awareness, the requirement for training, the problems in training, and the selection to the training institutions for the health management specialist trainees. Method Using the cluster sampling method, the trainees from two health management specialist training institutions in Hunan Province were randomly selected from Oct. 2012 to Jun. 2014, a total of 543 trainees were recruited from tertiary health management specialist trainees of 12 periods training a questionnaire survey was conducted. Result Totally 474 valid questionnaires were received, the effective rate was 87.3%. The trainees were mainly from college or undergraduate settings (366, 77.2%), medical professionals (430, 90.7%). The main purpose of the training was to improve their knowledge and technique. Students' demands in the theory content for health management training mainly included the health monitoring (396, 83.5%), health education and health promotion (384, 81.0%), health risk assessment and risk management (382, 80.6%), health intervention plan formulation, implementation and evaluation (360, 75.9%). Demand for practical skills was mainly for health monitoring (426, 89.9%), health risk assessment (424, 89.5%), health interventions (410, 86.5%), health plan formulation, implementation and evaluation (402, 84.8%), health management in the application of specific people (398, 84.0%), etc. At the same time, most of the students considered that for teaching arrangement equal attention to theory and practice should be paid (320, 67.5%). Conclusion Health management specialist training is still in its infancy in China;establishment and improvement of the relevant policies about health management system and forming a complete standard set of health management specialist training system are imminent.
8.Bacteriology of adenoids and tonsils in children with sleep-disordered breathing
Zhenyun HUANG ; Dabo LIU ; Huamin ZHONG ; Jianwen ZHONG ; Shuyao QIU ; Shuang FENG ; Xinhua YI
Chinese Archives of Otolaryngology-Head and Neck Surgery 2017;24(3):116-119
OBJECTIVE This study was conducted to analyze the underlying bacterial pathogens of the tonsils and adenoids in children with sleep-disordered breathing(SDB).METHODS The core tissue from the tonsils and/or adenoids of 163 SDB children was cultured aerobically. Of the 163 cases, 120 children underwent adenoidectomy and tonsillectomy simultaneously(A+T), 39 children underwent adenoidectomy(A) and 4 tonsillectom(T) only. 124 children who underwent tonsillectomy were subdivided into two groups based on history(with or without a history of recurrent tonsillitis). 71 children with the history were enrolled in the 'recurrent tonsillitis group' and 53 children without the history were enrolled in 'non- recurrent tonsillitis group'.RESULTS Of the total 120 cases who underwent A+T, 114(95.00%) cases had same distribution of bacteria detected in both sides in the same patient. Besides this, 17 cases in whom mixed organisms were identified in both sites shared common pathogen. No significant difference in the detection rates of staphylococcus aureus and haemophilus influenzae were found when we compared seasons(Tonsil:χ2=8.538,P=0.201; Adenoid:χ2=5.427, P=0.490). No significant difference in the type and detection rate of essential bacteria was found when we compared between recurrent tonsillitis group and 'non-recurrent tonsillitis group' (χ2=3.028,P=0.387).CONCLUSION The bacterial isolates from the tonsils and adenoids are virtually identical in type and detection rate in the same SDB patient. The bacterial distribution of the tonsillar and adenoidal core is unaffected by the seasonal variation and history of recurrent tonsillitis.
9.The utility of peripheral nerve ultrasound in differentiating Charcot-Marie-Tooth type 1 from chronic inflammatory demyelinating polyradiculoneuropathy
Mingsheng LIU ; Jingwen NIU ; Yi LI ; Shuang WU ; Yuzhou GUAN ; Liying CUI
Chinese Journal of Neurology 2016;49(6):434-438
Objective To determine whether peripheral nerve ultrasound can differentiate CharcotMarie-Tooth type 1 (CMT1) from chronic inflammatory demyelinating polyradiculoneuropathy (CIDP).Methods Eighteen patients with CIDP,13 patients with CMT1 and 16 healthy controls were recruited prospectively from Peking Union Medical College Hospital between January 2014 and July 2015 for this study.Ultrasonographic tests were performed via nerve tracing from wrist to axilla on median and ulnar nerve with a 10 MHz linear array probe.The cross sectional areas (CSAs) were measured at 10 defined sites of the nerves,respectively.Results CSAs (mm2) at all sites of median nerve were significantly increased in CMT1 than in CIDP (10.5 ±5.3 vs7.8 ±2.4,10.9 ±3.6 vs 6.8 ±1.9,11.5 ±5.0 vs7.3 ±1.8,13.5 ± 4.4vs7.2±2.5,16.0±4.5vs7.2±2.1,17.1±5.1vs7.0±2.8,21.0±4.5vs9.5±4.8,24.3±6.9 vs 9.5 ±4.3,23.9 ±6.0 vs 10.2 ±4.3,22.4 ±6.7 vs 9.8 ±2.1;t=2.141,4.766,2.935,4.858,6.715,6.602,7.148,7.100,8.078,6.498,respectively,all P < 0.05).CSAs (mm2) at all sites of ulnar nerve were significantly increased in CMT1 than in CIDP (7.9 ± 1.8 vs 4.0 ± 1.3,8.9 ± 2.0 vs 4.9 ± 1.3,13.5±1.9 vs6.5±2.4,15.0±4.3 vs 6.5 ±1.5,15.8 ±4.4 vs 6.8 ±3.3,11.6±2.3 vs6.9± 3.1,10.2±3.2vs7.6±2.8,14.0±3.0vs6.6±2.1,19.2±3.7vs7.6±4.4,18.1±3.6vs6.3± 2.5;t =7.652,7.414,9.194,6.893,6.443,4.766,2.561,7.897,8.113,11.554,respectively,all P < 0.05).CSAs at 8 sites of median nerve and 8 sites of ulnar nerve were significantly increased in CIDP than in healthy controls.Receiver operation characteristic curve analysis revealed that CSA was suited for differentiating CMT1 from CIDP,and the area under curve in 8 sites of median nerve and 9 sites in ulnar nerve was more than 0.9.Conclusions CSAs measured at different sites by peripheral nerve ultrasound in CMT1 were significantly increased than in CIDP.Measurement of CSAs by peripheral nerve ultrasound can be used for differentiating CMTI from CIDP.
10.Effect of integrated Chinese medical treatment (as maintenance therapy) on the survival time of patients with advanced non-small-cell lung cancer: a clinical study.
Ling-Shuang LIU ; Li-Ping SHEN ; Yi JIANG ; Zhi-Fen HAN ; Jian HONG
Chinese Journal of Integrated Traditional and Western Medicine 2014;34(5):526-530
OBJECTIVETo observe clinical effect of integrated Chinese medical (CM) treatment (as maintenance therapy) on the progression-free survival (PFS) and overall survival (OS) in patients with advanced non-small-cell lung cancer (NSCLC) after first-line chemotherapy.
METHODSThe study was a prospective, randomized, controlled clinical trial. Totally 69 non-progressive advanced NSCLC patients treated with first-line chemotherapy were randomly assigned to the test group (34 cases) and the control group (35 cases). Patients in the control group were treated with one Western drug chemotherapy (Gemcitabine or Alimta or docetaxel). Those in the test group were treated with integrated CM treatment (CM decoction, CM Intravenous preparation, and point application). Each cycle consisted of 21 days. Treatment lasted till the disease progressed, or intolerable toxic/adverse reactions occurred, or patients refused to continue the treatment. Patients' life spans were regularly followed-up.
RESULTS(1) The median cycle of maintenance therapy was 2 cycles for two groups with no statistical difference (P =0.274). The median PFS was 12.43 weeks in the test group and 10.00 weeks in the control group, showing statistical difference (P =0.025). The middle survival time (MST) was 18.8 months in the test group and 16.73 months in the control group, showing no statistical difference (P =0.437).
CONCLUSIONCM treatment (as maintenance therapy) showed quail effect to one Western drug chemotherapy in prolonging patients' life span.
Antineoplastic Agents ; therapeutic use ; Antineoplastic Combined Chemotherapy Protocols ; therapeutic use ; Carcinoma, Non-Small-Cell Lung ; drug therapy ; Deoxycytidine ; analogs & derivatives ; therapeutic use ; Disease-Free Survival ; Drugs, Chinese Herbal ; therapeutic use ; Humans ; Pemetrexed ; therapeutic use ; Prospective Studies ; Taxoids ; therapeutic use