1.Relation of C-reactive protein to the stability of coronary artery lesions and major adverse cardiac events.
Guoqiang GU ; Dayi HU ; Kunshen LIU
Chinese Journal of Practical Internal Medicine 2000;0(11):-
Objective To observe the relationship between C-reactive protein (CRP) and the stability of coronary artery lesions and major adverse cardiac events.Methods By using coronary arteriography,coronary heart disease was diagnosed in 30 stable angina patients and 45 unstable ones.serum CRP and troponin T (cTnT) levels were measured on 0hs,6hs,24hs,48hs and 7days after hospital admission.The patients were divided into two groups according to the absence or presence of major adverse cardiac events.Results There was no relationship between CRP level and the severity of coronary artery lesions,whereas the CRP level of unstable angina(3.9?0.4 mg/L)was much higher than that of stable angina(2.2?0.3 mg/L),P
2.Value of glucocorticoid steroids in the treatment of patients with severe community-acquired pneumonia complicated with septic shock
Gang LI ; Chengdong GU ; Suqiao ZHANG ; Rui LIAN ; Guoqiang ZHANG
Chinese Critical Care Medicine 2016;28(9):780-784
Objective To discuss the value of glucocorticoid steroids (GCs) in the treatment of patients with severe community-acquired pneumonia (SCAP) complicated with septic shock.Methods A prospectively controlled randomized trial was conducted.Fifty-eight SCAP patients complicated with septic shock admitted to emergency intensive care unit (ICU) of China-Japan Friendship Hospital from May 2014 to February 2016 were enrolled.The patients were randomly divided into conventional treatment group (n =29) and GCs group (n =29).Fluid resuscitation,vasopressors,mechanical ventilation if needed,antibiotics and other general treatment including symptomatic treatment and eliminating phlegm were given to patients in both groups.Beside the treatment mentioned above,80 mg methylprednisolone once a day for 7 days was added to patients in GCs group.The changes in oxygenation index (PaO2/FiO2) and C-reactive protein (CRP) at 1,4,8 days after treatment as well as the imaging improvement in both groups were observed.Discharge or death was set as a cut-off point,the average time of temperature controlling,duration of mechanical ventilation,time of vasopressors usage and 28-day mortality were observed.The incidence of hyperglycemia,infection and hemorrhage of digestive tract were observed.Results There were no statistically differences in gender,age and body mass between the two groups,indicating that baseline data for the two groups were balanced.PaO2/FiO2 after treatment in the two groups was gradually increased,and it was significantly higher at 8 days after treatment in GCs group than that of conventional treatment group [mmHg (1 mmHg =0.133 kPa):426.46 ± 86.97 vs.363.00 ± 83.96,P < 0.05].CRP after treatment in the two groups was gradually decreased,and it was significantly lower at 4 days and 8 days after treatment in GCs group than that of conventional treatment group (mg/L:95.78 ± 47.38 vs.124.72 ± 51.01,57.60 ± 47.44 vs.88.85 ± 48.18,both P < 0.05).Radiographic imaging improved rate at 4 days and 8 days after treatment in GCs group was significantly higher than that of conventional treatment group (55.2% vs.27.6%,75.9% vs.51.7%,both P < 0.05),and average time of temperature controlling (days:3.94 ± 2.39 vs.7.22 ± 3.11),time of vasopressors usage (hours:13.64 ± 6.47 vs.28.34 ± 12.56),and the average hospitalization days (days:28.50 ± 8.61 vs.36.21 ± 15.26)in GCs group were significantly shorter than those of conventional treatment group (all P < 0.01).There was no significant difference in duration of mechanical ventilation between GCs group and conventional treatment group (days:13.39 ± 2.62 vs.16.16 ± 5.85,P > 0.05).28-day mortality of the two groups was 10.3% equally (P > 0.05).No significant differences in the incidences of hyperglycemia (10.3% vs.6.9%),infection (51.7% vs.55.2%) and gastrointestinal bleeding (3.4% vs.0) were found between GCs group and conventional treatment group (all P > 0.05),indicating that glucocorticoid steroids could not increase the common side effects.Conclusion GCs is an important adjuvant treatment of patients with SCAP complicated with septic shock.
3.Study the Diagnosis Value of Transcranial Doppler Ultrasound for Intracranial Artery Stenosis in Patients with Cerebral Infarction
Xiaoyan TAN ; Jiangang MA ; Guoqiang XIAO ; Xiaoying ZHAN ; Weiwei GU
Progress in Modern Biomedicine 2017;17(25):4924-4927
Objective:To study the diagnosis value of Transcranial Doppler ultrasound for intracranial artery stenosis in patients with cerebral infarction.Methods:A total of 140 patients with acute cerebral infarction,transient ischemic attack and posterior circulation ischemic attack in Department of Neurology,Xinjiang cardiovascular and cerebrovascular disease hospital from October 2014 to October 2016 were selected as research object,CT angiography (CTA) and TCD detection were performed in all patients.Used CTA examination results as the gold standard,the detection results of intracranial artery stenosis in two groups were compared,the diagnostic value of TCD and the diagnostic results of TCD to the degree of bilateral middle cerebral artery (MCA) stenosis were analyzed.Results:CTA diagnosis showed that 140 patients had a total of 105 patients with intracranial artery stenosis,in the anterior and posterior circulation vessel of 1155 intracranial segments,CTA detection showed that 249 vessels were narrow,TCD detection showed that 236 vessels were narrow.Com-pared with CTA,TCD was better in the diagnosis of patients (Kappa value>0.75).The diagnostic sensitivity and positive predictive value of TCD for MCA were the highest,which were 91.26% and 93.07%,the consistency was the best (Kappa value =0.917).CTA detection showed that 210 MCA vessels had 103 stenoses,mild stenosis 17,moderate stenosis 41,severe stenosis 45,TCD detection showed that the stenosis was 101,mild stenosis 16,moderate stenosis 40,severe stenosis 45.The Kappa test showed that the diagnostic results of TCD to the degree ofMCA stenosis was better consistency compared with CTA (Kappa value=0.884.Conclusion:TCD has a high diagnostic value for cerebral artery stenosis in patients with cerebral infarction,and it is consistent with the diagnosis of CTA.
4.Effects of exercise training on cognitive function,ChAT and AchE activity in SHR/SP rat vascular dementia model
Guigang ZENG ; Shen ZHANG ; Jianzhong GU ; Guoqiang CHEN ; Pinkang WEI
Chongqing Medicine 2014;(11):1335-1337,1340
Objective To investigate the effects of the exercise training on the cognitive function ,choline acetyltransferase (ChAT) activity and acetylcholinesterase (AchE) activity in stroke prone spontaneously hypertensive rat (SHR/SP) vascular de-mentia model .Methods 30 male SHR/SP rats were randomly divided into sham operation group ,model group and exercise group (n=10) .The VD model was established by the fractional ligation of bilateral carotid artery (2-VO) .The sham operation group and the model group were given the normal feeding without intervention after operation ;the exercise group adopted the treadmill exer-cise(DSPT-1) for 8 weeks .After the exercise ,the Morris maze test was conducted for evaluating the cognitive function in each group .The rats were finally killed for detecting the ChAT activity and AchE activity of hippocampus .Results In the positioning navigation training ,the latency period of the sham operation group was significantly short than that of the exercise group and the model group ,but the latency period of the exercise group was obviously short than that of rats in the model group (P<0 .05);in the spatial exploration test ,the rats in the sham operation group had more frequency of crossing platform than the other two groups ,the exercise group had more frequency of crossing platform in platform quadrant than the model group (P<0 .05);the exercise training could increase the ChAT activity and lower the AchE activity of hippocampus .Conclusion The exercise training can improve the function of hippocampal cholinergic system in SHR/SP and then increase the cognitive ability .
5.Theraputical effect of Mammotome vacuum biopsy system on breast benign masses
Dongming CHU ; Bing GU ; Guoqiang RONG ; Xian LIU ; Ye WANG
China Oncology 2001;0(02):-
Background and purpose:Breast masses is woman's common diease,With the development of people's living.They are eager to find a new method which is efficient and less pain to replace conventional open surgery.So Mammotone appears.We assessed the efficacy of Mammotome biopsy system for the patients with single and multiple breast masses.We assessed the efficacy of Mammotome biopsy system for patients with single and multiple breast masses.Methods:From Janurary 2004 to April 2005,patients with single and multiple breast masses underwent Mammotome and conventional surgery respectively.Two methods has been compared from the aspects of difficulties,side effects,prognosis and degree of patient's satisfaction.Results:The length of excisions,anesthetic dosage,operational time,pain etc with Mammtome group were superior to the conventional group,especially for the patients with multiple breast masses.There were no difference in terms of bleeding during or after operation for two groups.Patients were followed up 3 to 15 months,none of the patients had relapse and patient's satisfaction was very encouraging.Conclusions:The color guided Mammotome showed very promising results for the patients with breast benign masses,and it was very useful for the masses either located deeply or were multiple.
6.Endoscopic ultrasonography in diagnosis of duodena] cysts
Weihua YU ; Guoqiang XU ; Xiaodong TENG ; Fengling HU ; Qing GU ; Xiaoqi ZHONG ; Liying GU ; Caiqin QIAN
Chinese Journal of Digestive Endoscopy 2010;27(6):295-297
Objective To investigate the diagnostic value of endoscopic ultrasonography (EUS) for duodenal cysts.Methods Clinical manifestations, results of conventional gastroscopy and EUS, as well as follow-up, of patients with duodenal cysts were retrospectively analyzed.Results A total of 105 patients with duodenal cysts presented with no lesion-related symptoms, but displayed characteristic imaging changes under EUS, which could reveal the origin, size and nature of duodenal cysts, and differentiate it from other submucosal lesions.A maximum follow-up of 5 years showed no changes in duodenal cysts.Conclusion Duodenal cyst is a benign disease, and EUS plays a very important role in diagnosis of the disease.
7.Correlation of radius and respiration variation of inferior vena cava with central venous pressure in elderly patiens with septic shock
Xiaolei LIU ; Chengdong GU ; Haifeng WANG ; Haitao LU ; Zhiwei QI ; Shengtao YAN ; Wei JIANG ; Guoqiang ZHANG
Chinese Journal of Geriatrics 2012;31(2):132-135
Objective To explore the correlation of the radius and respiratory variation of inferior vena cava(IVC)with central venous pressure(CVP)for rapid evaluation of blood volume with ultrasound in elderly patients with septic shock.Methods The radius of IVC was measured using bedside ultrasound,respiration variation index(RVI)was calculated as following:RVI =(maximum radius-minimum radius)/maximum radius × 100% and central venous pressure(CVP)was also recorded in 28 elderly patients with septic shock before and during 2 h and 6 h fluid recovery.Radius and RVI of IVC were compared between 28 shock patients and 22 healthy volunteers as control.Correlation of radius and RVI of IVC with CVP were analyzed.The thresholds of radius and RVI of IVC to estimate CVP 8 mmHg were determined by Receiver Operator Characteristic Curve (ROC)curves.Results The maximum and minimum radius[(1.23±0.28)cm and(0.48±0.18)cm]in the elderly patients with septic shock were smaller than in control group[(1.95±0.14)cm and (1.73±0.13)cm].RVI in the elderly patients with septic shock were larger than in control group [(55.88±11.18)% vs.(11.23± 1.82)%].The maximum and minimum radius were positively(r=0.668 and 0.863,both P<0.01)and RVI negatively(r=-0.848,P<0.01)with CVP.The thresholds of maximum radius,minimum radius and RVI of IVC to estimate CVP 8 mmHg were 1.56cm(sensitivity 85.2%,specificity 86.3%),1.13 cm(sensitivity 96.3%,specificity 94.1%)and 30%(sensitivity 88.2%,specificity 96.3%),respectively.Conclusions Using ultrasound to measure radius of IVC and calculate RVI might estimate CVP to certain degree.It might be an option for physicians to rapidly estimate blood volume in the elderly patients with septic shock.
8.Correlation between radius and respiration variation of inferior vena cava and hemodynamicmonitoring values of pulse-indicated continuous cardiac output(PiCCO)in septic shock pigs
Haifeng WANG ; Xiaolei LIU ; Haitao LU ; Zhiwei QI ; Shengtao YAN ; Chengdong GU ; Guoqiang ZHANG
Chinese Journal of Emergency Medicine 2012;21(2):133-136
Objective To explore the correlation between radius and respiratory variation of inferior vena cava(IVC)and hemodynamic monitoring values of pulse-indicated continuous cardiac output(PiCCO)in septic shock pigs.Methods A total of 8 pigs were used to establish animal model of septic shock by intravenous infusing LPS(100 μg/kg),and fluid resuscitation was followed with normal saline.Ultrasound was used to measure the maximum radius(IVCmax)and minimum radius(IVCmin)of IVC,and respiration variation index(RVI)was calculated at basic status,septic shock,1 hour and 6 hours after fluid resuscitation,respectively.Respiratory variation index of IVC were calculated as:RVI =(IVCmax-IVCmin)/ IVCmax × 100%.Hemodynamic monitoring values,including ITBV,GEDV,SVV and CI of PiCCO,were recorded at the same time.Radius and RVI of IVC and PiCCO values between before and after fluid resuscitation were compared by LSD-t test.Correlation between radius and RVI of IVC andhemodynamic monitoring values were calculated by Pearson correlation coefficient.Results Compared with the moment of septic shock,IVC IVCmin,GEDV,ITBV and CI at 1 after hour fluid resuscitation were larger(P < 0.01)and SVV and IVCrvi were smaller(P < 0.01).Compared with the moment of septic shock and 1 after hour fluid resuscitation,IVC[VCmin,GEDV,[TBV and CI at 6 hours after fluid resuscitation were larger(P < 0.01)and SVV and IVCrvi were smaller(P < 0.01).IVCmax correlated with SVV(P=0.024)and it failed to correlate with GEDV,ITBV and CI.IVCmin correlated with GEDV(P=0.003),ITBV(P =0.001),SVV(P =0.009)and CI(P =0.015),respectively.RVI was correlated withGEDV(P<0.01),ITBV(P<0.01),SVV(P=0.007)and CI(P<0.001),respectively.Conclusions Radius and RVI of IVC was correlated with hemodynamic monitoring values of PiCCO.It can serve as a parameter to rapidly estimate the blood volume.
9.Clinical value of serum procalcitonin in diagnosis of sepsis caused by gram negative bacterial infection
Shengtao YAN ; Hongbing JIA ; Jianping YANG ; Wen GAO ; Jing SUN ; Shanhong ZHANG ; Chengdong GU ; Guoqiang ZHANG
Chinese Journal of Emergency Medicine 2017;26(3):291-296
Objective To investigate the correlation between serum procalcitonin (PCT) levels and infection sites,as well as between PCT and bacterial species in gram negative (G-) bacteria induced sepsis,so as to provide rationale for therapeutic strategy of using antibiotic in sepsis.Methods The data of patients with sepsis admitted in Emergency Department and ICU from January 2014 to June 2015 were retrospectively analyzed.The blood culture of G-bacteria and PCT detection were carried out simultaneously within 24 hours after admission.The clinical data was analyzed to find out the correlation between PCT levels and infection sites,as well as between PCT levels and pathogenic bacterial species.Results A total of 187 specimens (came from 162 patients) were enrolled in the study with a median age of 70 years old and a median sequential organ failure assessment (SOFA) score of 4.PCT levels were found to be associated with bacterial species.PCT level caused by Escherichia coli bacteremia infection was higher than that caused by Acinetobacter baumannii bacteremia and Burkholderia cepacia bacteremia infection (4.62 ng/mL vs.2.44 ng/mL;4.62 ng/mL vs.0.81 ng/mL;P < 0.05).Receiver operating characteristic (ROC) analysis showed an area under the curve (AUC) for PCT was 0.61 to discriminate Escherichia coli infection from Acinetobacter baumannii infection and an AUC was 0.66 to discriminate Escherichia coli infection from Burkholderia cepacia infection.When the cutoff point of PCT was 30.32 ng/mL,it could predict Escherichia coli infection rather than Acinetobacter baumannii infection with 94.10% specificity,90.00% positive predictive value and positive likelihood ratio for 4.24.When the cutoff point of PCT was 8.01 ng/mL,it could predict Escherichia coli infection rather than Burkholderia cepacia infection with 85.70% specificity,93.94% positive predictive value,and positive likelihood ratio for 3.01.When PCT cutoff value reached 47.31 ng/mL,the specificity and positive predictive value were both 100.00%.PCT level caused by urinary tract infection was higher than that caused by pulmonary infection (11.58 ng/mL vs.2.07 ng/mL,P < 0.05),and the AUC was 0.69.When the cutoff point of PCT was 32.11 ng/mL,it could predict Escherichia coli infection rather than Acinetobacter baumannii infection with 90.60% specificity,86.18% negative predictive value and positive likelihood ratio for 3.68.Conclusions PCT elevation in G-bacteria induced sepsis might be associated with infection sites and bacterial species.
10.The value of endoscopic ultrasonography for management of esophageal leiomyoma
Miaohui CHEN ; Guoqiang XU ; Weihua YU ; Guoping REN ; Xiaodong TENG ; Hongtan CHEN ; Qing GU
Chinese Journal of Digestion 2010;30(5):305-308
Objective To investigate clinical value of endoscopic ultrasonography (EUS) on diagnosis and treatment of esophageal leiomyoma.Methods The clinical feature of patients diagnosed as esophageal leiomyoma by EUS was analyzed.All patients underwent conventional gastroscopy and EUS examination as well as blood test.The EUS findings were compared with histopatholoical diagnosis for endoscopically or surgically resected specimens.All patients were followed-up with EUS for 14.3 months (range 2-36 months) for leiomyoma recurrence.Results A total of 191 patients were diagnosed with esophageal leiomyomas by EUS.Clinical manifestation,serum examination,conventional gastroscopy and spiral CT were not helpful for diagnosing esophageal leiomyoma,One hundred and sixteen patients with esophageal leiomyomas were treated by either endoscopic resection (111 cases) or surgical excision (5 cases).of which,101 resected specimens were pathologically confirmed as leiomyomas.The diagnostic accuracy of EUS was 87%.The follow-up study showed that there was no change of leiomyomas in 75 untreated patients and no recurrence was found in 116 surgically treated patients.Conclusion Esophageal leiomyoma is a benign tumor,EUS plays a very important role in diagnosis and treatment of this disease.