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  • 2021 Volume 18 Issue 2
    Published: 25 February 2021
      

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  • ZHANG Ming-fa, SHEN Ya-qin
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    Matrine has positive inotropic and negative frequency effects on the heart, which could reduce the automaticity of the heart at low concentration and improve it at high concentration. The mechanism of positive inotropic action is promoting extracellular calcium to flow into intracellular, thus promoting Ca2+ release of sarcoplasmic reticulum in myocardium. The mechanism of negative automaticity may principally relate to blocking K+ channel and Na+ channel, thus prolonging effective refractory period (ERP) and action potential duration (APD) to eliminate reentry impulse. Matrine can prevent and treat arrhythmia induced by heart failure, myocardial ischemia, electric impulse and various chemicals. In this paper, the literatures on clinical medication and mechanism of matrine anti-arrhythmia were reviewed and their research progress was analyzed.
  • XUE Qin
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    Objective: To explore the antibacterial and bactericidal activities of Scutellariae Radix and Rhizoma Coptidis and Other 5 kinds of TCM against multi-drug resistant Acinetobacter Baumannii in Vitro (MDR-AB). Methods: The extracts of Scutellariae Radix, Rhizoma Coptidis, Fructus Forsythiae, Forsythia Fructus, Lonicera Japonica Flos and Andrographis Herba were selected, and the minimum inhibitory concentration (MIC) of the extracts to the in Vitro inhibitory zone of MDR-AB was determined using drug-sensitive paper AGAR diffusion method and broth dilution method. Results: The extracts of Scutellariae Radix and Rhizoma Coptidis had strong inhibitory activity, large inhibitory circle diameter and low MIC value. The extracts of Fructus Forsythiae had some antibacterial and bactericidal activities, while the extracts of Forsythia Fructus, Lonicera Japonica Flos and Andrographis Herba had relatively weak antibacterial activities. Conclusion: The extracts of 6 kinds of TCM all had different degree of antibacterial activity against MDR-AB, among which the 3 extracts of Scutellariae Radix, Rhizoma Coptidis and Fructus Forsythiae had relatively high activity against 10 strains of MDR-AB, and the antibacterial effect of Scutellariae Radix was the best.
  • ZHAO Wen-xia
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    Objective: To explore the distribution and drug resistance of pathogenic bacteria in mid-stream urine of patients with urinary tract infection (UTI) in different age groups in the hospital from 2015 to 2019. Methods: The results of Pathogenic bacteria culture and drug sensitivity test were extracted from urine and blood samples of hospitalized patients with UTI from March 2015 to March 2019 to analyze the distribution of pathogenic bacteria and their resistance to antimicrobial agents. Results: Among the 680 patients with UTI, 90 (13.23%) were in the children group between 6 and 15 years old, 320 (47.06%) were in the adult group between 16 and 59 years old and 270 (39.71%) were in the elderly group (60 years old and above). Gram-negative bacilli infection accounted for 82.80%, Gram-positive Cocci infection accounted for 15.29%, and fungal infection accounted for only 13 cases (1.91%). Enterococcus faecalis and Enterococcus faecalis were the main pathogenic bacteria. The drug resistance rates of Gram-negative bacteria to imipenem, cefuroxime, amoxicillin and cefoperazone were higher in the children group, while the drug resistance rates of Gram-positive bacteria were higher mainly in nitrofurantoin and ampicillin-sulbactam sodium for injection. In adult patients, Gram-negative bacteria were more resistant to ampicillin and piperacillin while Gram-positive bacteria were more resistant to penicillin and ciprofloxacin. The rates of Gram-negative bacteria to imipenem, meropenem and amoxicillin were higher in the elderly group, while Gram-positive bacteria were resistant to vancomycin. Conclusion: The detection of etiology and analysis of drug resistance in patients with UTI were strengthened, so as to guide the rational selection of antimicrobial therapy and effective control of nosocomial infection.
  • HUANG Ji, HU Min-hao
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    Objective: To investigate the correlation between the extended-spectrum-lactamase (ESBLs) and antimicrobials usage in the urine culture of hospital urology department patients and to provide reference for the reduction of ESBLs detection and the rational usage of antimicrobial agents in the clinical. Methods: The urine culture results of 321 patients with urinary tract infection (UTI) admitted to the urology department of the hospital from 2016 to 2018 were collected, the ESBLs detection rate of Escherichia coli and the DDDs data of antibacterial drug usage in that department during the same period were counted, and the correlation between the ESBLs detection rate and DDDs was analyzed. Results: The 321 strains of Escherichia coli were detected in the urine samples of 321 patients with urinary tract infection, among which 170 strains of ESBLs accounted for 52.96% and 4 strains of carbapenems resistant strains accounted for 1.23%. The resistance of Escherichia coli detected to most antibacterial drugs showed no obvious fluctuation, but some antibacterial drugs were affected by ESBLs. The sensitivity of ESBLs to-moxalactam antibacterial drugs was consistent with the change of ESBLs detection rate. The results of correlation analysis indicated that the detection rates of ESBLs were negatively correlated with DDDs (r=–0.920 0, P<0.01), but not significantly correlated with DDDs of other antibacterial drugs. Conclusion: Attention should be paid to the supervision and management of antimicrobial usage, and the rational usage of clinical antimicrobial drugs should be strictly controlled so as to ensure the effectiveness of drug medication for patients, and delaying or curbing the resistance of bacteria.
  • ZHANG Yi, Cheng Yun-jie
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    Objective: To analyze the usage of carbapenems antibiotics in a hospitals, and to provides reference for rational medication of carbapenems antibiotics in clinical. Methods: Data related to the clinical medication of carbapenems antibacterial drugs in hospitals from 2015 to 2018 were extracted to analyze the clinical usage of carbapenems, average daily consumption and the usage of each department, as well as the changes in drug resistance of pathogenic bacteria. Results: In carbapenem antibiotics used from 2015 to 2018, meropenem DDDs ranked the first, imipenem followed, and was used less than biapenem and faropenem. They all showed an increasing trend year by year; However, the DUI values of meropenem and imipenem were all greater than 1 and showed an increasing trend year by year, so the drug use was unreasonable. The DUI values of both biapenem and faropenem were less than 1, and the drug use was reasonable. The total amount of carbapenem antibiotics used in the past 3 years increased year by year, of which meropenem drug used in the first place and showed an increasing trend year by year, while faropenem consumed the least amount. DDc value in biapenan year was the highest. In the past 4 years, the total use of carbapenems antibacterial drugs increased year by year, and the department dosage ranged from high to low, including Hematology Department, Respiratory Department, ICU Department, Obstetrics and Gynecology Department, and Nephrology Department. The drug resistance rate of Pseudomonas aeruginosa to carbapenems antibacterial drugs showed an increasing trend year by year, the drug resistance rate of Pseudomonas aeruginosa to meropenem was 38.19%, and the drug resistance rate of Pseudomonas aeruginosa to imipenem was 40.81%. The drug resistance rate of Acinetobacter baumannii also showed an increasing trend year by year. The drug resistance rate of meropenem was as high as 48.25%, and that of imipenem was as high as 45.85%. Conclusion: The clinical medication of meropenem and imipenem in hospitals was unreasonable, and the drug resistance rate of bacteria increased significantly, and increased the economic burden of patients. It was suggested to strengthen supervision, control drug cost, and use carbapenems antibiotics scientifically and rationally.
  • WENG Feng, CAI Hua-jing, ZHANG Zheng-chao, DENG Ben-yong
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    Objective: To analyze the current situation of off-label drug use in hospitals, and to provide reference for promoting rational drug use in children. Methods: 520 prescriptions and medical orders, 400 outpatient and emergency prescriptions and 120 medical order of inpatients,were collected from January to December in 2020. The age distribution, type of drug use, common drugs of prescriptions and medical orders of off-label drug use were counted, and the causes of those were analyzed. Results: Among 520 prescriptions and medical orders, 137 were off-label drug use, including 67 outpatient and emergency prescriptions (48.91%) and 70 medical order of inpatients (51.09%).The TOP 3 causes of off-label drug use were no information on children's drug use (48.30%), over-age drug use (47.55%), and over-administration route drug use (1.89%). The Off label drug use occurred in all age groups, and infants and preschool groups had the highest incidence. The prescriptions and medical orders of off-label drug use involve 7 categories and 20 kinds of drugs, and the TOP 4 drugs were antihistamines (37.23%), digestive system drugs (22.63%), respiratory drugs (20.44%), vitamins and minerals (9.49%). Conclusion: Off label medication is common in hospitalized children, especially in infants and preschool children, and the prescriptions and medical orders of off-label drug use mainly involve antihistamine, digestive system drugs and respiratory drugs. It is suggested that the hospital establishes or regularly updates the corresponding management system to standardize the requirements of off-label prescription medication, so as to ensure the safety and effectiveness of medication for children.
  • CHENG Meng, LIU An-chang
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    Objective: To explore the distribution characteristics of pathogenic bacteria in patients with diabetic foot infection and to analyze the resistance of pathogenic bacteria to different antibacterial drugs. Methods: The medical records of 83 patients with diabetic foot ulcer infection and positive microbial culture admitted to the hospital from January to December 2019 were selected, and the distribution characteristics of pathogenic bacteria and their resistance to antimicrobial agents were statistically analyzed. Results: 108 strains of pathogenic bacteria were cultured from the secretions of 83 patients with diabetic foot infection, including 45 strains of Gram-positive bacteria, 61 strains of Gram-negative bacteria and 2 strains of fungi. Gram-positive bacteria were more sensitive to linezolid and vancomycin, but less sensitive to erythromycin and clindamycin. MRSA accounted for 24.00% of S. aureus, and MRSE for 66.67% of S. epidermis. The main Gram-negative bacteria showed higher sensitivity to meropenem, piperacillin-tazobactam and amikacin, while their sensitivity to ampicillin and cefazolin was relatively poor. Among them, ESBLs of Klebsiella pneumoniae and Escherichia coli accounted for 25.00% and 71.43% respectively. The sensitivity of Candida parapsilosis and Candida tropicalis to anti-fungal agents was 100.00%. Conclusion: The distribution of pathogenic bacteria in the secretions of patients with diabetic foot infection is relatively complex, and the sensitivity rates of different pathogenic bacteria to antibacterial drugs vary greatly. Therefore, antimicrobial therapy should be rationally selected based on the results of drug sensitivity test in clinical practice.
  • SHEN Yu-mei, ZHOU Yan-fei, ZHANG Yong-fang, ZHOU Yan-ling, YANG Wen-tao
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    Objective: To analyze the influence of perioperative nursing intervention in reducing the incidence of pulmonary infection in patients with single hole thoracoscopic lobectomy (SHTL). Methods: The clinical data of 104 patients treated with SHTL admitted to the hospital from June 2019 to June 2020 were selected and divided into the intervention group (52 cases) and the non-intervention group (52 cases) based on the different intervention treatment regiments. The non-intervention group was routine nursing intervention, while the intervention group carried out targeted nursing intervention on the basis of the non-intervention group. The recovery time, postoperative pain assessment, incidence of pulmonary infection and nursing satisfaction were compared between the two groups of patients after different intervention treatments. Results: In the intervention group, the recovery time of various indicators was earlier than that of the non-intervention group (P<0.05); the satisfaction score of nursing was higher than that of the non-intervention group (P<0.05), the pain score of each period was lower than that of the non-intervention group (P<0.05), and the incidence of postoperative pulmonary infection was also low in the non-intervention group (P<0.05). Conclusion: For patients undergoing SHTL, targeted nursing intervention was adopted, which effectively alleviated postoperative pain, avoiding the occurrence of pulmonary infection, and promoting the rapid recovery of all clinical indicators.
  • ZHANG Nai-ju, HUANG Rui, CHEN Zhong, ZHANG Fan, XIA Juan, YAN Xiao-min, LIU Jin-chun
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    Objective: To investigate the influence extent of vancomycin daily dose and daily administration frequency on blood drug concentration in the treatment of Gram-positive Coccus Sepsis. Methods: Clinical pharmacists by participating in a case of vancomycin daily dose were constant, increasing dosing frequency and treatment of sepsis in enterococcus practice case of vancomycin to increase daily dose, reduce dosing frequency treatment of staphylococcus aureus septicemia practice, to observe the daily dose and dosing frequency of vancomycin the influence extent of the blood drug concentration (valley). Results: The daily dose of vancomycin remained the same, and the blood concentration of vancomycin increased nearly 3 times after increasing the frequency of administration. After increasing the daily dose of vancomycin and decreasing the frequency of administration, the serum concentration of vancomycin decreased obviously. Conclusion: Clinical pharmacists based on PK/PD theory in clinical practice to participate in the formulation and adjustment of vancomycin treatment regimen, and it was found that the PK/PD parameters of vancomycin should be more inclined to t >MIC.
  • HUANG Wei, HAN Li-li, DING Pan-pan, NIU Jing-cao
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    Objective: To explore the dissemination of children's safe medication knowledge based on the Internet platform, and to provide the public with reasonable drug use services for children. Methods: From April to July 2020,by making short videos of safe medication and uploading videos of Douyin, Kuaishou and Huoshan to short video platforms, the public was informed of the methods of taking commonly used medicines for children, the best time for medication, matters requiring attention, interactions, storage methods, medication techniques for young children and other relevant knowledge. Results: 16 short videos of pharmacy popular science were conducted. The total number of video clicks was 24 150 times, and the average clicks of a single video was 1 509.38 times in April to July 2020. Conclusion: Short videos can be used to vividly publicize the popular science knowledge of pharmacy to the public, expand the ways of pharmacist popularization of science, popularize pharmaceutical knowledge, and public awareness of safe medication is enhanced.
  • XIAO Jia, LIU Dan, PENG Jiang
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    Objective: To explore the clinical efficacy of Lianhua Qingwen capsules combined with cefuroxime sodium in patients with community-acquired pneumonia (CAP) and their influence on pulmonary function improvement.Methods: The clinical data of 116 Patients with CAP admitted from March 2018 to February 2019 were selected and divided into the cefuroxime group (58 patients treated with cefuroxime sodium) and the combined group (58 patients treated with cefuroxime group and Lianhua Qingwen capsules) based on different therapeutic drugs. The clinical efficacy, the difference in the recovery time of clinical symptoms, and the changes of lung function indexes (FEV1, FEV1/FVC, IC%pred) and immune function indexes (CD4, CD8, CD4/CD8) before and after treatment were compared between the two groups. Results: The total effective rates of patients in the combined treatment group were higher than those of cefuroxime group (96.55% vs 82.76%, P<0.05), and the recovery time of clinical symptoms was earlier than that of cefuroxime group (P<0.05). After 10 days of treatment, the measured values of FEV1, FEV1/FVC and IC%pred in the combined treatment group were all higher than those of the cefuroxime group (P<0.05), and the measured values of CD4 and CD4/CD8 were all higher than those of the cefuroxime group, while the CD8 value was lower than that of the cefuroxime group (P<0.05). Conclusion: The combination of Lianhua Qingwen capsules and cefuroxime sodium in the treatment of CAP patients has a relatively accurate effect, effectively improving the immune function and lung function, and promoting the rapid recovery of clinical symptoms.