1.Antimicrobial stewardship: Attitudes, perceptions, and practices of healthcare workers in a pediatric tertiary hospital
Angelina C. Bernardo ; Jay Ron O. Padua
The Philippine Children’s Medical Center Journal 2024;20(1):1-21
Objectives:
This study aims to determine the healthcare workers’ (HCWs) attitudes,
perceptions, and practices regarding Antimicrobial Stewardship (AMS) at the Philippine Children's
Medical Center (PCMC).
Materials and Methods:
This cross-sectional study employed a validated online survey.
Results:
The study included 288 healthcare workers, predominantly female (77.35% ) and
aged 31-40 years (47.74%), with physicians being the largest professional group (57.14%). HCWs
had positive attitudes toward AMS. They perceived moderate to high antimicrobial resistance
(AMR) levels in different contexts but believed the hospital had lower AMR levels than the
country. HCWs agreed that AMR impacts antimicrobial choices, patient outcomes, and safety.
Contributors to AMR were prescribing inappropriate antimicrobials, unnecessary prescriptions,
poor patient adherence, and inadequate infection control measures. HCWs, except medical
technologists, were aware of the Antimicrobial Stewardship Program (ASP) and its interventions.
Only nurses and pharmacists were aware of the hospital policies against AMR. Barriers to AMS
implementation include inadequate training in antimicrobial use, lack of infectious disease/
microbiology services, lack of electronic medication management services, and personnel shortages.
HCWs had high self-reported AMS practices, but a practice gap in single-dose surgical antibiotic
prophylaxis was identified, with low physician adherence (50.6%).
Conclusion
This study revealed positive attitudes and high self-reported AMS practices
among HCWs. They also perceived moderate to high AMR in different contexts but believed that
the hospital has lower AMR levels than the country. Addressing the identified barriers to
implementation and practice gaps is crucial for achieving antimicrobial stewardship goals.
Antimicrobial Stewardship
;
Viperidae
;
Health Personnel
2.Agkistrodon halys venom antitumor component-I inhibits vasculogenic mimicry in triple-negative breast cancer cells in vitro by down-regulating MMP2.
Yu GE ; Lin Ming LU ; Shu Yu TIAN ; Yu XIAO ; Shang Fu XIE ; Qi WANG ; Hui ZHI
Journal of Southern Medical University 2022;42(3):438-442
OBJECTIVE:
To investigate the inhibitory effect of agkistrodon halys venom antitumor component-I (AHVAC-I) on vasculogenic mimicry (VM) formation in triple-negative breast cancer MDA-MB-231 cells and explore its possible mechanism.
METHODS:
CCK8 assay was used to determine the optimal concentration of AHVAC-I for cell treatment based on its halfinhibitory concentration (IC50). MDA-MB-231 cells were treated with different concentrations of AHVAC-I or 5-Fu, and the changes in vasomimetic capacity of the cells were examined using Matrigel assay. The expression levels of matrix metalloproteinase-2 (MMP2) and MMP9 in the treated cells were detected using quantitative PCR and Western blotting.
RESULTS:
Compared with the control treatment with culture medium, treatment with 5, 10 and 20 μg/mL AHVAC-I significantly reduced vasomimetic ability of MDA-MB-231 cells in a dose-dependent manner (P < 0.01). MMP2 supplementation obviously restored the vasomimetic ability of the cells inhibited by AHVAC-I.
CONCLUSION
AHVAC-I inhibits VM formation in triplenegative breast cancer cells in vitro by down-regulating MMP2 production.
Agkistrodon/metabolism*
;
Animals
;
Cell Line, Tumor
;
Healthy Life Expectancy
;
Humans
;
Matrix Metalloproteinase 2/metabolism*
;
Neovascularization, Pathologic/metabolism*
;
Triple Negative Breast Neoplasms/metabolism*
;
Venoms
3.Outcome of Neonates with Agenesis of Septum Pellucidum: A Retrospective Single Center Study
Yong Hee KIM ; Yeon Kyung LEE ; Sun Young KO ; Son Moon SHIN
Neonatal Medicine 2019;26(3):169-173
PURPOSE: Agenesis of the septum pellucidum (ASP) is a very rare disease that can be isolated or associated with other brain abnormalities. The neurological prognosis of isolated ASP remains controversial. The aim of this study was to evaluate the clinical outcome of neonates with ASP. METHODS: We retrospectively analyzed the medical records of 12 neonates with isolated ASP or ASP combined with other brain abnormalities who were born at Cheil General Hospital & Women's Healthcare Center between January 2007 and December 2017. RESULTS: Of the 12 neonates, six were identified prenatally and six were identified postnatally. Isolated ASP was found in eight neonates; of these, four were detected antenatally. ASP associated with other brain abnormalities was found in four neonates. ASP was complete in nine neonates, including six with isolated ASP, and partial in three, including two with isolated ASP. Six of the eight neonates with isolated ASP had normal neurological development, except two who were lost to follow-up. Among the four neonates with other associated brain abnormalities, two had delayed motor development and a seizure, one had normal development, and one was lost to follow-up. In all neonates, ophthalmological examination revealed no optic nerve abnormalities. CONCLUSION: Isolated ASP seems to have a good neurological prognosis without ocular problems. This result needs to be confirmed by larger prospective studies over a longer developmental timeline.
Brain
;
Delivery of Health Care
;
Hospitals, General
;
Humans
;
Infant, Newborn
;
Lost to Follow-Up
;
Medical Records
;
Optic Nerve
;
Prognosis
;
Prospective Studies
;
Rare Diseases
;
Retrospective Studies
;
Seizures
;
Septum Pellucidum
;
Viperidae
4.Multicenter Retrospective Risk Assessment of Esophageal Variceal Bleeding in Patients with Cirrhosis: An Acoustic Radiation Force Impulse Elastography-Based Prediction Model
Ja Yoon HEO ; Beom Kyung KIM ; Jun Yong PARK ; Do Young KIM ; Sang Hoon AHN ; Won Young TAK ; Young Oh KWEON ; Kwang Hyub HAN ; Soo Young PARK ; Seung Up KIM
Gut and Liver 2019;13(2):206-214
BACKGROUND/AIMS: Acoustic radiation force impulse (ARFI) elastography predicts the presence of esophageal varices (EVs). We investigated whether an ARFI-based prediction model can assess EV bleeding (EVB) risk in patients with cirrhosis. METHODS: The records of 262 patients with cirrhosis who underwent ARFI elastography and endoscopic surveillance at two institutions in 2008 to 2013 were retrospectively reviewed, and ARFI spleen diameter-to-platelet ratio scores (ASPS) were calculated. RESULTS: The median patient age (165 men, 97 women) was 56 years. The median ARFI velocity, spleen diameter, platelet count, and ASPS were 1.7 m/sec, 10.1 cm, 145×10⁹/L, and 1.16, respectively. During the median 38-month follow-up, 61 patients experienced EVB. Among all patients (179 without EVs and 83 with EVs), the cutoff value that maximized the sum of the sensitivity (73.1%) and specificity (78.4%) (area under receiver operating characteristic curve [AUROC], 0.824) for predicting EVB was 2.60. The cumulative EVB incidence was significantly higher in patients with ASPS ≥2.60 than in those with ASPS <2.60 (p<0.001). Among patients with EVs (n=83), 49 had high-risk EVs (HEVs), and 22 had EVB. The cumulative EVB incidence was significantly higher in HEV patients than in low-risk EV patients (p=0.037). At an ASPS of 4.50 (sensitivity, 66.7%; specificity, 70.6%; AUROC, 0.691), the cumulative EVB incidence was significantly higher in patients with a high ASPS than in those with a low ASPS (p=0.045). A higher ASPS independently predicted EVB (hazard ratio, 4.072; p=0.047). CONCLUSIONS: ASPS can assess EVB risk in patients with cirrhosis. Prophylactic management should be considered for patients with HEVs and ASPS ≥4.50.
Acoustics
;
Elasticity Imaging Techniques
;
Esophageal and Gastric Varices
;
Fibrosis
;
Follow-Up Studies
;
Hemorrhage
;
Humans
;
Incidence
;
Liver Cirrhosis
;
Male
;
Platelet Count
;
Retrospective Studies
;
Risk Assessment
;
ROC Curve
;
Sensitivity and Specificity
;
Spleen
;
Viperidae
5.Transcriptome analysis of venom gland and identification of functional genes for snake venom protein in Agkistrodon acutus.
Sheng-Xiang ZHANG ; Yuan-Yuan SHI ; Chun-Miao SHAN ; Tao WANG ; Zhen-Xing WANG ; Sheng-Song WANG ; Jia-Wen WU
China Journal of Chinese Materia Medica 2019;44(22):4820-4829
Agkistrodon acutus is a traditional Chinese herb medicine which has immunological regulation,anti-tumor,anti-inflammatory and analgesic effects,which is mainly used for the treatment of rheumatoid arthritis,ankylosing spondylitis,sjogren's syndrome and tumors. In order to excavate more important functional genes from A. acutus,the transcriptome of the venom gland was sequenced by the Illumina Hi Seq 4000,and 32 862 unigenes were assembled. Among them,26 589 unigenes were mapped to least one public database. 2 695 unigenes were annotated and assigned to 62 TF families,and 5 920 SSR loci were identified. The majority of mapped unigenes was from Protobothrops mucrosquamatus in the NR database,which revealed their closest homology. Three secretory phospholipase A_2 with different amino acid sequences showed similar spatial structures and all had well-conserved active sites. The 3 D structural models of C-type lectin showed conserved glycosylation binding sites( Asn45). This study will lay the foundation for the further study of the function of snake venom protein,and promoting the development and utilization of genome resources from A. acutus.
Agkistrodon/genetics*
;
Animals
;
Crotalid Venoms
;
Gene Expression Profiling
;
Snake Venoms/genetics*
;
Snakes
;
Transcriptome
6.Identification and Genotypic Characterization of Potentially Pathogenic Acanthamoeba Isolated from Tap Water in Wuxi, China
Meixu WANG ; Guangxu SUN ; Yangkai SUN ; Xiaomin YOU ; Xiaoxue LI ; Yang CHENG ; Yinghua XUAN
The Korean Journal of Parasitology 2018;56(6):615-618
Members of genus Acanthamoeba are widely distributed in the environment. Some are pathogenic and cause keratitis and fatal granulomatous amoebic encephalitis. In this study, we isolated an Acanthamoeba CJW/W1 strain from tap water in Wuxi, Jiangsu Province, China. Its 18S rDNA was sequenced and a phylogenetic tree was constructed. The isolated cysts belonged to morphologic group II. Comparison of 18S rDNA sequences of CJW/W1 strain and other isolates showed high similarity (99.7%) to a clinical isolate Asp, KA/E28. A phylogeny analysis confirmed this isolate belonged to the pathogenic genotype T4, the most common strain associated with Acanthamoeba-related diseases. This is the first report of an Acanthamoeba strain isolated from tap water in Wuxi, China. Acanthamoeba could be a public health threat to the contact lens wearers and, therefore, its prevalence should be monitored.
Acanthamoeba
;
China
;
DNA, Ribosomal
;
Encephalitis
;
Genotype
;
Keratitis
;
Phylogeny
;
Prevalence
;
Public Health
;
Trees
;
Viperidae
;
Water
7.Does the Addition of a Dynamic Pedicle Screw to a Fusion Segment Prevent Adjacent Segment Pathology in the Lumbar Spine?.
Hayati AYGUN ; Osman YARAY ; Muren MUTLU
Asian Spine Journal 2017;11(5):715-721
STUDY DESIGN: Retrospective clinical cohort study. PURPOSE: To investigate whether the combined use of dynamic pedicle screws and polyaxial pedicle screws was effective on adjacent segment pathology (ASP). OVERVIEW OF LITERATURE: Various screw and rod models have been recently developed for preventing adjacent segment disease, and hybrid systems have been described along with posterior instrumentation in the fusion segment. In the literature, although the success of dynamic systems has been demonstrated in non-fusion posterior instrumentation, it remains unclear whether the addition of a screw-based dynamic system to a fusion segment would successfully prevent ASP in the long term. METHODS: The study included 101 patients who underwent surgery for degenerative spine diseases between 2007 and 2014 with lumbar stabilization that used either polyaxial pedicle screws alone or polyaxial pedicle screws plus dynamic stabilization screws (with hinged screw heads). These two patient groups were compared using retrospectively obtained postoperative new clinical findings, Oswestry disability index (ODI) scores, visual analog scale (VAS) scores, and radiological data. RESULTS: The proportion of patients with ASP who were radiologically assessed was low (p <0.01) in the group that underwent lumbar stabilization along with dynamic screws. Treatment outcomes were clinically successful in both groups according to ODI and VAS scores, and no significant difference was determined between the groups in terms of clinical ASP (p >0.05). CONCLUSIONS: Although the combined use of dynamic screws and the static system was radiologically found to be effective for preventing ASP in patients who underwent lumbar fusion with posterior instrumentation, it did not completely eliminate ASP or result in a significant improvement in clinical ASP.
Cohort Studies
;
Humans
;
Pathology*
;
Pedicle Screws*
;
Retrospective Studies
;
Spine*
;
Viperidae
;
Visual Analog Scale
8.Anti-proliferative Effects of Androctonus amoreuxi Scorpion and Cerastes cerastes Snake Venoms on Human Prostate Cancer Cells.
Hassan AKEF ; Nahla KOTB ; Dina ABO-ELMATTY ; Sayed SALEM
Journal of Cancer Prevention 2017;22(1):40-46
The present study evaluated the effects of Androctonus amoreuxi scorpion venom, Cerastes cerastes snake venom and their mixture on prostate cancer cells (PC3). An MTT assay was used to determine the anti-proliferative effect of the venoms, while quantitative real time PCR was used to evaluate the expression of apoptosis-related genes (Bax and Bcl-2). Furthermore, colorimetric assays were used to measure the levels of malondialdehyde (MDA) and antioxidant enzymes. Our results show that the venoms significantly reduced PC3 cell viability in a dose-dependent manner. On the other hand, these venoms significantly decreased Bcl-2 gene expression. Additionally, C. cerastes venom significantly reduced Bax gene expression, while A. amoreuxi venom and a mixture of A. amoreuxi & C. cerastes venoms did not alter Bax expression. Consequently, these venoms significantly increased the Bax/Bcl-2 ratio and the oxidative stress biomarker MDA. Furthermore, these venoms also increased the activity levels of the antioxidant enzymes, catalase, superoxide dismutase, glutathione peroxidase, glutathione reductase, and glutathione-S-transferase. Overall, the venoms have cytotoxic and anti-proliferative effects on PC3 cells.
Apoptosis
;
Catalase
;
Cell Survival
;
Gene Expression
;
Genes, bcl-2
;
Glutathione Peroxidase
;
Glutathione Reductase
;
Hand
;
Humans*
;
Malondialdehyde
;
Oxidative Stress
;
Prostate*
;
Prostatic Neoplasms*
;
Real-Time Polymerase Chain Reaction
;
Scorpion Venoms
;
Scorpions*
;
Snake Venoms*
;
Snakes*
;
Superoxide Dismutase
;
Venoms
;
Viper Venoms
;
Viperidae*
9.Impact of Intervention by an Antimicrobial Stewardship Team on Conversion from Intravenous to Oral Fluoroquinolones.
Soh Mee PARK ; Hyung Sook KIM ; Young Mi JEONG ; Jung Hwa LEE ; Eunsook LEE ; Euni LEE ; Kyoung Ho SONG ; Hong Bin KIM ; Eu Suk KIM
Infection and Chemotherapy 2017;49(1):31-37
BACKGROUND: Early conversion from intravenous to oral antibiotics plays an important role in lowering the risk of catheter-associated infections, reducing the workload of nurses, decreasing direct and indirect costs, and shortening hospital stays. In August 2015, an antimicrobial stewardship program (ASP) was implemented to facilitate conversion from intravenous to oral administration of fluoroquinolones in our institute. This study evaluated the clinical and economic impact of the intervention. MATERIALS AND METHODS: Data were retrospectively collected by reviewing electronic medical records. All hospitalized patients aged 18 and older who met the study inclusion criteria for the conversion were included between August and November 2015. We computed the physicians’ adherence rate to the ASP recommendations. We also measured the total use of fluoroquinolones, length of hospital stay, and medication costs. RESULTS: During 4 months, 129 cases were enrolled in the study. The adherence rate was 79.8%. The average total prescription volume of intravenous fluoroquinolones, the length of hospital stay, and the total cost of the fluoroquinolones statistically significantly decreased in the intervention-adherent group. CONCLUSION: Intervention to facilitate conversion from intravenous to oral administration has reduced excess use of intravenous fluoroquinolones and length of hospital stay. With these findings, further implementations of the ASP extending to other antibiotics may be warranted.
Administration, Oral
;
Anti-Bacterial Agents
;
Catheter-Related Infections
;
Electronic Health Records
;
Fluoroquinolones*
;
Humans
;
Length of Stay
;
Prescriptions
;
Retrospective Studies
;
Viperidae
10.Can Anorectal Manometry Findings Predict Subsequent Late Gastrointestinal Radiation Toxicity in Prostate Cancer Patients?.
Yunseon CHOI ; Won PARK ; Poong Lyul RHEE
Cancer Research and Treatment 2016;48(1):297-303
PURPOSE: The purpose of this study is to investigate the influence of radiotherapy (RT) on anorectal function and radiation-induced toxicity in patients with prostate cancer. MATERIALS AND METHODS: Fifty-four patients who were treated with RT for prostate cancer (T1c-4N0-1M0) were evaluated. To assess the changes in anorectal function, two consecutive anorectal manometry readings were performed in patients, before and after 4-6 months of RT. Late gastrointestinal (GI) toxicity was defined as symptoms occurring more than 6 months after RT. The median radiation dose was 70.0 Gy (range, 66.0 to 74.0 Gy). Whole pelvis field RT was performed in 16 patients (29.6%). Grade of late radiation toxicity was defined in accordance to the severity of symptoms (Gulliford's scoring system). RESULTS: The median follow-up period was 60 months. Resting anal pressure (p=0.001), squeeze pressure (p < 0.001), and urge to defecate volume (p=0.025) were significantly reduced after RT. Fourteen patients (25.9%) experienced late GI toxicities. Among them, nine (16.7%) showed severe (grade > or = 2) late toxicities. Elevated resting and squeeze external anal sphincter pressure prior to RT and large urge to defecate volumes after RT were associated with the occurrence of late GI toxicities. CONCLUSION: RT caused symptomatic anorectal dysfunction and resulted in a weakened anal sphincter. Increased urge to defecate volumes after RT were related to late GI toxicities. Elevated resting and squeeze anal sphincter pressure prior to RT rodcan be used to identify patients with an increased risk of late GI toxicities.ConclusionRT caused symptomatic anorectal dysfunction. An increased anal pressure prior to RT and urge to defecate volume after RT was related to an occurrence of late GI toxicities. Application of ARM for screening patients who have an elevated ASP prior to RT could be helpful in identifying patients with an increased risk of late GI toxicities.
Anal Canal
;
Arm
;
Follow-Up Studies
;
Humans
;
Manometry*
;
Mass Screening
;
Pelvis
;
Prostate*
;
Prostatic Neoplasms*
;
Radiotherapy
;
Reading
;
Viperidae


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