Objective: To explore the breakthrough points of pharmaceutical care performed by clinical pharmacists for the patients with severe infection.Methods: One case of severe pneumonia patient with Pneumocystis carinii and aspergillosis was treated with pharmaceutical care and intervention, and the effect of anti infection treatment and adverse drug reactions were concerned and individualized dosing regimen were provided.Results: Through the pharmaceutical care for the patient with severe infection, the safety and effectiveness of drug use were ensured.Conclusion: Using the treatment contradictions and adverse drug reactions as the breakthrough points, clinical pharmacists participate in clinical practice to embody their own value.

Objective:To evaluate the effectiveness of the information management system on the clinical application of special-grade antimicrobial.Methods:Using the established knowledge database, a computer program was designed and developed, which was embedded in the electronic medical record to intervene the clinical use of the special-grade antimicrobial since 2015. The basic information of all discharged patients from the Second Affiliated Hospital of Zhejiang University School of Medicine from January 2013 to December 2020 were extracted from the HIS system, including the medical orders for antibiotics and the drug storehouse dispensing data.The trend analysis was carried out on the changes of the use rates and antibiotic use density (AUD) of the special-grade antimicrobials in the whole hospital and intensive care units (ICU). The data were processed and analyzed using SPSS 24.0.Results:From 2013 to 2015, except for meropenem and amphotericin B, the usage rate of all special-grade antimicrobials in the whole hospital showed an upward trend ( P<0.05). The proportion of special-grade antimicrobials used in the hospital increased year by year ( χ2=7 804.081, P<0.01). The total usage rate of special-grade antimicrobials in ICU showed an upward trend year by year ( χ2=67.028, P<0.01). Since the implementation of the special-grade antimicrobial information management system in 2015, the total use rate of special-grade antimicrobials in the hospital, the use rate of various antibiotics except linezolid, amphotericin B and posaconazole, and the proportion of special-grade antimicrobials used in the hospital have all shown a downward trend year by year ( P<0.01). The total usage rate and total AUD of special-grade antimicrobials in ICU showed a decreasing trend year by year ( χ2=343.514, P<0.01, β=-0.963, P=0.002). Conclusion:The information management system for special-grade antimicrobial can effectively reduce the utilization rate and AUD of most special-grade antibiotics in hospitalized patients including ICU, and has a good clinical application value in antimicrobial stewardship.

Objective: To compare the difference of the clinical and laboratory characteristics between γδ T-cell large granular lymphocyte leukemia (γδT-LGLL) and αβ T-cell large granular lymphocyte leukemia (αβT-LGLL) . Methods: The clinical and laboratory characteristics of 17 patients with γδT-LGLL and 91 patients with αβT-LGLL in the department of therapeutic center of anemia of enrolled in our hospital from January 2009 to January 2019 were retrospectively analyzed. Results: The median age of the 17 patients with γδT-LGLL was 54 years (range, 25-73 years) , the most common presenting symptom was anemia. In comparison with αβT-LGLL patients, splenomegaly was common (41% and 44%, respectively) , whereas hepatomegaly (12% and 5%, respectively) and lymphadenopathy (6% and 8%, respectively) were rare. The positive rates of antinuclear antibody (59% and 45%, respectively) were high, whereas the positive rates of rheumatoid factor (6% and 10%, respectively) were rare for both groups. There were no differences on peripheral blood counts between the two groups. However, γδT-LGLL patients were found to be predominantly expressed a CD4⁻/CD8⁻ phenotype. Steroid therapy with prednisone was used alone as first-line therapy for 1 patient. Cyclosporin A (CsA) was used alone as first-line therapy for 3 patients. CsA in combination with steroids were administered in 13 patients. After 4 months treatment, 2 patients acquired complete response, 4 patients acquired partial response, the overall response was 35%. Conclusion γδT-LGLL is a rare mature T-lymphocyte proliferative disease. Clinical and laboratory characteristics were quite similar for γδT-LGLL in compare with αβT-LGLL. γδT-LGLL predominantly expressed a CD4⁻/CD8⁻ phenotype. The data presented here indicate the CsA is an effective option for the first-line treatment of γδT-LGLL.

Enterovirus 71 (EV71) is a major pathogen causing severe hand, foot and mouth disease (HFMD) in infants under five years old. It can cause central nervous system damageand even death in severe cases. Considering the high mortality and disability rate of HFMD, this review focused on the most recent developments in vaccines and treatments against EV71 infection.

Objective To detect the red blood cell lifespan in patients with polycythemia vera (PV), and explore the influencing factors. Methods From February 2017 to December 2018, 27 patients with PV at Blood Diseases Hospital, Chinese Academy of Medical Science and 18 normal controls were recruited. Red blood cell lifespan was detected by endogenous carbon monoxide (CO) breath test. The related factors were analyzed. Results The average red blood cell lifespan of 27 PV patients was 80 (range, 35-120) days (d), which was significantly shorter than that of the normal controls [110.5(69-166) d, P<0.05], namely 35.3 d shorter. The red blood cell lifespan of ten newly diagnosed patients and 17 patients who were treated with hydroxyurea and/or interferon were 98 (35-117) d and 69 (45-120) d, respectively, which were both shorter than that of the normal control (P=0.010, 0.000). Correlation analysis showed that red blood cell lifespan of patients with newly diagnosed PV was associated with JAK2 mutation allele burden (r=0.900, P=0.037), peripheral blood lymphocyte count (r=-0.742, P=0.014) and the level of serum vitamin B12 (r=-0.821, P=0.023). Conclusion The lifespan of red blood cells in patients with PV is about one?third shorter than normal, and is related to JAK2 mutation allele burden, absolute lymphocyte count, and serum vitamin B12 level.

Objective: To detect the red blood cell lifespan in patients with polycythemia vera (PV), and explore the influencing factors. Methods: From February 2017 to December 2018, 27 patients with PV at Blood Diseases Hospital, Chinese Academy of Medical Science and 18 normal controls were recruited. Red blood cell lifespan was detected by endogenous carbon monoxide (CO) breath test. The related factors were analyzed. Results: The average red blood cell lifespan of 27 PV patients was 80 (range, 35-120) days (d), which was significantly shorter than that of the normal controls [110.5(69-166) d, P<0.05], namely 35.3 d shorter. The red blood cell lifespan of ten newly diagnosed patients and 17 patients who were treated with hydroxyurea and/or interferon were 98 (35-117) d and 69 (45-120) d, respectively, which were both shorter than that of the normal control (P=0.010, 0.000). Correlation analysis showed that red blood cell lifespan of patients with newly diagnosed PV was associated with JAK2 mutation allele burden (r=0.900, P=0.037), peripheral blood lymphocyte count (r=-0.742, P=0.014) and the level of serum vitamin B₁₂ (r=-0.821, P=0.023). Conclusion The lifespan of red blood cells in patients with PV is about one-third shorter than normal, and is related to JAK2 mutation allele burden, absolute lymphocyte count, and serum vitamin B₁₂ level.

Objective:To evaluate the effectiveness of antimicrobial stewardship based on self-developed antibiotic clinical decision support system (aCDSS) in the inpatients at a tertiary hospital for consecutive 6 years, and to provide reference for rational use and antimicrobial stewardship.Methods:aCDSS was self-designed based on information technology and applied in clinical use in our hospital from 2015. Data of inpatient information and antibacterial use from January 2015 to December 2020 were collected from HIS and aCDSS. A retrospective study was conducted in all inpatients on the utilization rate and antibiotic use density.Results:Since 2015, with the comprehensive implementation of antimicrobial stewardship based on the aCDSS,there was a significant decline on the annual rate of antibiotic usage from 44.18% in 2015 to 38.70% in 2020, as well as on the usage rate of extended-spectrum antimicrobial agents including carbapenems, broad-spectrum β-lactam/β-lactamase inhibitors, tigecycline, broad-spectrum cephalosporins, fluoroquinolones, as well as glycopeptide and antifungal drugs. Compared with 2015, the usage of carbapenems, tigecycline and broad-spectrum β-lactam/β-lactamase inhibitors was declined nearly 50% in 2020, and the density of carbapenems and tigecycline were decreased by 29.6% and 7.1%, respectively in 2020. On the other side, the utilization rate and use density of narrow-spectrum cephalosporins continued to increase by year, the use density of narrow-spectrum cephalosporins accounting for 28.2% of all antibiotics in 2020.Conclusions:With the comprehensive implementation of aCDSS, the utilization rate and density of broad-spectrum and high-priced antibacterial drugs in our hospital have decreased continuously to decline in the past 6 years, while the proportion of narrow-spectrum antimicrobials has increased year by year, indicating that the structure of antimicrobial use has been continuously optimized and that antimicrobial stewardship based on the information technology have achieved remarkable results.