OBJECTIVE To investigate the current status of etiological submission for hospitalized patients in hospi-tals of a city before the antimicrobial treatment so as to provide basis for the etiological submission.METHODS From Jan.2022 to Dec.2022,a questionnaire survey was conducted for the status of etiological submission before antimicrobial treatment in 32 secondary and tertiary medical institutions of Huaian by Huaian Nosocomial Infection Management Quality Control Center.RESULTS The data from 28 hospitals were analyzed.Less awareness of sub-mission of healthcare workers and incomplete items for etiological test were the major influencing factors for the etiological submission.85.71％(24)of the hospitals have embedded the common names of antimicrobial drugs in-to the medical order system,and only 42.86％of the hospitals had the prompts for etiological submission in the information systems.A great deal of hospitals failed to execute the etiological submission and capture time for use of antibiotics according to national standards,only 5 hospitals met the standards for the capture[executing by scanning on personal digital assistant(PDA)].The majority of the hospitals only carried out'microbial culture and drug susceptibility testing',and there was deficiency in the test items.The diagnosis-related etiological submission rate of the tertiary hospitals was(87.49±10.77)％,higher than(64.45±30.59)％of the secondary hospitals(t=-2.250,P=0.036).The etiological submission rate before the antimicrobial treatment and the etiological submis-sion rate before the combined use of key drugs were higher in the tertiary hospitals than in the secondary hospi-tals,and there were no significant differences.CONCLUSIONS The hospitals vary in degree of execution of etiolog-ical submission before the antimicrobial treatment,and the secondary hospitals achieve lower effect on manage-ment than the tertiary hospitals.It is necessary for the medical institutions to carry out the etiological submission scientifically according to the standards so as to facilitate the reasonable use of antibiotics.

In the era of big data,artificial intelligence(AI)technology has developed rapidly,with medical field being one of its most deeply penetrated application domains.Leveraging the advantages of big data and AI requires the sharing and integration of medical data,yet balancing privacy protection and data sharing poses significant challenges.This paper analyzes the focus issues of patient privacy and data security in medical AI from a global perspective across 6 dimensions:challenges in data sovereignty and cross-border flow compliance,technical vulnerabilities in de-anonymization and re-identification risks,failure of informed consent mechanisms and dynamic authorization needs,regulatory gaps in algorithmic"black boxes"and data misuse,technological dependency and supply chain security risks,and the dilemma of balancing privacy protection with public health interests.Corresponding solutions and strategies are also proposed.

Objective To analyze the relationship between serum nuclear factor E2-related factor 2(NRF2),heme oxygenase-1(HO-1)levels and disease activity and prognosis in patients with lupus nephritis(LN).Methods A total of 188 LN patients who visited the hospital from March 2020 to January 2022 were selected as the case group,and were divided into a stable group(60 cases,＜10 points)and an active group(128 cases,≥ 10 points)according to the Systemic Lupus Erythematosus Disease Activity Index(SLEDAI)score.Another 160 healthy subjects were selected as control group.The differences of serum NRF2 and HO-1 levels between case group and control group were compared,the serum NRF2 and HO-1 levels and renal func-tion indexes[glomerular filtration rate(GFR),serum creatinine(Scr),urea nitrogen(BUN)]were compared between stable group and active group,and the correlation between serum NRF2 and HO-1 levels and disease activity and renal function in LN patients was analyzed by Pearson.After 2 years of follow-up,LN patients were divided into good prognosis group(117 cases)and poor prognosis group(71 cases)according to the oc-currence of renal-related endpoint events.Serum NRF2,HO-1 levels and other clinical data were compared be-tween two groups,and the prognostic factors of LN patients were analyzed by multivariate Logistic regression model.A nomogram prediction model was constructed and verified based on the influencing factors.Results The levels of serum NRF2 and HO-1 in case group were lower than those in control group(P＜0.05).NRF2,HO-1 and GFR levels in active group were lower than those in stable group,and Scr,BUN and SLEDAI scores were higher than those in the stable group(P＜0.05).Pearson correlation analysis showed that,serum NRF2 and HO-1 levels were negatively correlated with SLEDAI score,Scr and BUN in LN pa-tients(r＜0,P＜0.05),and positively correlated with GFR(r＞0,P＜0.05).The NRF2,HO-1 and GFR in poor prognosis group were lower than those in good prognosis group,and the proportion of CKD stage 3-4 and SLEDAI score in poor prognosis group were higher than those in good prognosis group(P＜0.05).Multi-variate Logistic regression model showed that CKD stage 3-4 and the increase of SLEDAI score were inde-pendent risk factors for poor prognosis of LN patients(P＜0.05),while the increase of NRF2,HO-1 and GFR levels were independent protective factors(P＜0.05).The nomogram prediction model based on influen-cing factors had a good predictive value for the prognosis of LN patients.Conclusion NRF2 and HO-1 are lowly expressed in the serum of LN patients,and the two are closely related to their disease activity and renal function.The high expression of NRF2 and HO-1 will reduce the risk of renal-related endpoint events in LN patients.The nomogram prediction model based on influencing factors has a good predictive value for the prognosis of LN patients.

OBJECTIVE To investigate the current status of etiological submission for hospitalized patients in hospi-tals of a city before the antimicrobial treatment so as to provide basis for the etiological submission.METHODS From Jan.2022 to Dec.2022,a questionnaire survey was conducted for the status of etiological submission before antimicrobial treatment in 32 secondary and tertiary medical institutions of Huaian by Huaian Nosocomial Infection Management Quality Control Center.RESULTS The data from 28 hospitals were analyzed.Less awareness of sub-mission of healthcare workers and incomplete items for etiological test were the major influencing factors for the etiological submission.85.71％(24)of the hospitals have embedded the common names of antimicrobial drugs in-to the medical order system,and only 42.86％of the hospitals had the prompts for etiological submission in the information systems.A great deal of hospitals failed to execute the etiological submission and capture time for use of antibiotics according to national standards,only 5 hospitals met the standards for the capture[executing by scanning on personal digital assistant(PDA)].The majority of the hospitals only carried out'microbial culture and drug susceptibility testing',and there was deficiency in the test items.The diagnosis-related etiological submission rate of the tertiary hospitals was(87.49±10.77)％,higher than(64.45±30.59)％of the secondary hospitals(t=-2.250,P=0.036).The etiological submission rate before the antimicrobial treatment and the etiological submis-sion rate before the combined use of key drugs were higher in the tertiary hospitals than in the secondary hospi-tals,and there were no significant differences.CONCLUSIONS The hospitals vary in degree of execution of etiolog-ical submission before the antimicrobial treatment,and the secondary hospitals achieve lower effect on manage-ment than the tertiary hospitals.It is necessary for the medical institutions to carry out the etiological submission scientifically according to the standards so as to facilitate the reasonable use of antibiotics.

Objective To compare the effects of mini-midline catheters that were placed in different sites.Methods The inpatients of a tertiary general hospital in Zhejiang Province from October 2023 to January 2024 were selected as the study subjects using a fixed point continuous convenience sampling method.The patients were divided into 2 groups by simple random grouping method.The experimental group had a mini-midline catheter placed in the upper arm,and the control group had a mini-midline catheter placed in the forearm.The incidence of catheter-related complications,the puncture success rate with one-attempt,the total procedure time,the time of the first occurrence of catheter-related complications,the rate of removal due to complications,and the indwelling catheter duration were compared between the 2 groups.Results A total of 121 patients were included,including 64 in the experimental group and 57 in the control group.The incidence rates of catheter-related complications in the experimental group and the control group were 29.69％and 66.67％;the times of the first occurrence of catheter-related complications were 167(122,220)h and 104(73,168)h;the rates of removal due to complications were 17.19％and 42.11％;the indwelling catheter duration was 171(124,258)h and 120(92,187)h;the differences between the 2 groups of these outcomes were statistically significant(P＜0.05).The puncture success rates with one-attempt in the experimental group and the control group were 96.88％and 96.49％;the total procedure times were 352(296,446)s and 370(295,430)s;the differences between the 2 groups of these outcomes were not statistically significant(P＞0.05).Conclusion Mini-midline catheters inserted in the upper arm can reduce the incidence of catheter complications and the rate of removal due to complications,prolong the time of the first occurrence of catheter-related complications and the indwelling catheter duration.

Capsular warning syndrome (CWS) is a rare clinical syndrome characterized by recurrent and transient episodes of focal neurological deficits. Patients with CWS are at high risk of developing infarction. However, the exact physiological mechanism of CWS remains unclear. This paper presents an imaging assessment of penetrating arteries in the context of CWS using advanced time-of-flight magnetic resonance angiography and high resolution magnetic resonance imaging. This case reveals atherosclerosis of the lenticulostriate artery as a potential etiological factor contributing to CWS.

Objective:To study the growth trajectory and the incidence of malnutrition and clinical events in infants with congenital heart disease in 1 year after surgery.Methods:Children at the age of 1 year or younger who were diagnosed with congenital heart disease and underwent surgery at Guangzhou Women and Children's Medical Center affiliated to Guangzhou Medical University from January 2018 to January 2019 were included. The age, gender, birth weight and length, and parental height and weight were collected, and the occurrence of clinical events of interest and the children's health as evaluated by caregiver within 1 year after surgery were followed up through questionnaire survey. Malnutrition was defined as a weight-for-age z-score (WAZ) ≤-2 at 1 year after surgery and a WAZ>-2 was defined as non-malnourished.Results:Among the 502 children, 301 were boys and 201 were girls, aged 4.1 (range: 2.0 to 6.8) months, of whom 64.7% were with simple congenital heart disease and 35.3% complex congenital heart disease. The children were generally with mild malnutrition (WAZ<-1 and >-2) before surgery. At 3 months and 6 months after surgery, the children showed a rapid growth catch-up, although failing to reach the normal level, and the trend plateaued at 1 year after surgery. The proportion of children with malnutrition decreased gradually within 1 year after surgery. 47.0% of included children had malnutrition before surgery, and the proportion decreased significantly at 3 months and 6 months, to 17.9% at 1 year after surgery. After discharge, these children suffered from upper respiratory infection most commonly (74.5%), followed by pneumonia (41.2%) and diarrhea (36.7%), and vomiting and constipation (22.1%). In terms of children's health status as evaluated by parents, about 32.0% of families considered their children in poor health before surgery, and the proportion decreased to 6.9% within 1 year after surgery.Conclusion:Infants with congenital heart disease continued to grow and catch up within 1 year after surgery, showing significantly improved nutrition status, but some children still experienced malnutrition at 1 year after surgery.

Objective:To explore the effects of infusion of irritant medications on the patients with midline catheter based on propensity score matching method and provide reference for medications infusion through midline catheter.Methods:Through a retrospective cohort study, the clinical data of 1 539 patients with midline catheter placement in Sir Run Run Shaw Hospital, Zhejiang University School of Medicine from March 2019 to October 2022 were retrospectively analyzed, and the patients were divided into irritant medications group ( n=1 120) and non-irritant medications group ( n=419) according to the characteristics of the medications they were infused with, and then compared the patients of the two groups with midline catheter-related complications and catheter indwelling time based on the propensity score matching. Results:Among 1 539 patients, there were 656 males and 883 females, aged 18-92 (59.30 ± 18.76) years old. Before propensity score matching, there were statistically significant differences in age: (58.09 ± 18.72) years old, (62.55 ± 18.50) years old; hypertension:496 cases, 210 cases; diabetes:266 cases, 129 cases; white blood cell count:7.50(5.50, 9.70) × 10 9/L, 7.00(5.10, 9.50) × 10 9/L between the irritant medications group and non-irritant medications group ( t=4.18, χ2=4.18, 7.92, Z=-1.98, all P<0.05). After propensity score matching, there were 412 patients in the irritant medications group and 412 patients in the non-irritant medications group, and there was no significant difference in the general data between the two groups (all P>0.05). After propensity score matching, the rates of oozing, bleeding, catheter occlusion, catheter-related thrombosis, catheter dislodgement and total catheter complications between the two groups showed no statistically significant difference (all P>0.05). The catheter indwelling time in the irritant medications group was 10.00 (5.25, 16.75) days, which was longer than that in the non-irritant medications group for 6.00 (4.00, 11.00) days, the difference was statistically significant ( Z=-7.25, P<0.05). Conclusions:Infusion of irritant medications has no effect on the outcome of midline catheter, but monitoring and catheter maintenance should be strengthened in order to reduce the occurrence of cutheter related complications.

Objective:To analyze the clinical characteristics of monkeypox patients.Methods:The clinical data and laboratory findings of 4 patients with monkeypox patients diagnosed at Yiwu Central Hospital in July 2023 were analyzed. Herpes fluid and skin tissue samples were collected, the viruses were isolation and cultured in African green monkey kidney cells (Vero) and identified with whole gene sequencing.Results:All four patients were male, aged 24-35 years. All patients had male-to-male behavior within 21 days before onset of the disease. Among them, one patient has AIDS and one patient has syphilis. Four patients presented with perineal skin lesions with itching, and 3 patients were found to have enlarged lymph nodes upon admission. Laboratory testing: lymphocyte abnormality (4.57×10 9/L) in 1 case; increased procalcitonin (0.25 ng/mL) in 1 case; elevated IL-10 levels ( 7.11 ng/L and 9.42 ng/L) in 2 cases; increased IL-6 (66 ng/L) and IL-4 (3.24 ng/L) in 1 case, respectively. One case had abnormal myocardial zymogram with a elevated lactate dehydrogenase level of 313 U/L. The monkeypox virus was isolated from lesion tissue and herpes fluid, and the whole gene sequencing identified it as the B. 1.3 subtype of the IIb evolutionary branch, exhibiting typical pathological effects on Vero cells. Conclusion:The clinical manifestations of the 4 monkeypox patients confirmed in Zhejiang province are mild, patients had a definitive history of male-to-male sexual behavior and the virus strains belong to the B. 1.3 lineage of the IIb evolutionary branch.

Acetaminophen (APAP) overdose is a major cause of liver injury. Neural precursor cell expressed developmentally downregulated 4-1 (NEDD4-1) is an E3 ubiquitin ligase that has been implicated in the pathogenesis of numerous liver diseases; however, its role in APAP-induced liver injury (AILI) is unclear. Thus, this study aimed to investigate the role of NEDD4-1 in the pathogenesis of AILI. We found that NEDD4-1 was dramatically downregulated in response to APAP treatment in mouse livers and isolated mouse hepatocytes. Hepatocyte-specific NEDD4-1 knockout exacerbated APAP-induced mitochondrial damage and the resultant hepatocyte necrosis and liver injury, while hepatocyte-specific NEDD4-1 overexpression mitigated these pathological events both in vivo and in vitro. Additionally, hepatocyte NEDD4-1 deficiency led to marked accumulation of voltage-dependent anion channel 1 (VDAC1) and increased VDAC1 oligomerization. Furthermore, VDAC1 knockdown alleviated AILI and weakened the exacerbation of AILI caused by hepatocyte NEDD4-1 deficiency. Mechanistically, NEDD4-1 was found to interact with the PPTY motif of VDAC1 through its WW domain and regulate K48-linked ubiquitination and degradation of VDAC1. Our present study indicates that NEDD4-1 is a suppressor of AILI and functions by regulating the degradation of VDAC1.