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Objective:To explore the risks of cardiovascular disease (CVD) and influencing factors in human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS) patients with long-term combination anti-retroviral therapy (cART).Methods:The baseline data from the multi-center prospective cohort of HIV/AIDS patients who received long-term cART from 2018 to 2020 were collected. cART-naive HIV/AIDS patients were matched by age and gender using the propensity score matching (PSM) as controls. Data collection adverse events of anti-human immunodeficiency virus drugs reduced model (D: A: D[R]) score, Framingham risk score (FRS) and atherosclerotic cardiovascular disease (ASCVD) risk score were used to assess the 10-year CVD risk in patients with long-term cART treatment and in cART-naive patients. Logistic regression analysis was used to assess the risk factors related to high 10-year CVD risk.Results:A total of 301 HIV/AIDS patients received long-term cART and 300 cART-naive HIV/AIDS patients were included, with an average age of 39.8 years old. There were 490 male accounting for 81.5%. Based on the D: A: D [R] score, 4.3%(13/301) of patients in the long-term cART group had a 10-year CVD risk assessment of ≥10%, and 6.3%(19/300) of patients in the cART-naive group. Based on the FRS, 13.4%(36/269) of patients in the long-term cART group had a 10-year CVD risk assessment of ≥10%, and 10.6%(28/264) in the cART-naive group. Based on the ASCVD risk score, 10.4%(14/135) of patients in the long-term cART group had a 10-year CVD risk assessment of ≥7.5%, and 13.8%(17/123) in the cART-naive group. There was no significant difference in the prevalence of high 10-years CVD risk between the long-term cART group and the cART-naive group assessed by any of risk equations (all P>0.050). By multivariate logistic regression analysis, the risk factors associated with 10-year CVD risk ≥10% assessed by D: A: D[R] model were age≥50 years, smoking, hypertension, diabetes, dyslipidemia and CD4 + T lymphocyte count <200×10 6 cells/L (adjusted odds ratio ( AOR)=697.48, 4 622.28, 23.11, 25.95, 27.72 and 18.25, respectively, all P<0.010). The risk factors associated with 10-year CVD risk ≥10% assessed by FRS were age≥50 years, male, smoking, hypertension, diabetes and dyslipidemia ( AOR=53.51, 4.52, 36.93, 36.77, 6.15 and 3.84, respectively, all P<0.050). The risk factors associated with 10-year CVD risk ≥7.5% assessed by ASCVD risk score were age≥50 years, male, smoking, hypertension, diabetes ( AOR=18.48, 14.11, 14.81, 13.42 and 12.41, respectively, all P<0.050). Conclusions:Long-term cART has no significant effect on the 10-year CVD risk in HIV/AIDS patients. Higher CVD risk in HIV/AIDS patients are mainly associated with CD4 + T lymphocyte counts<200×10 6 cells/L and traditional CVD risk factors, including age≥50 years old, smoking, hypertension, diabetes and dyslipidemia.
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Objective To analyze the epidemiology and clinical characteristics of patients with Brucella endocarditis in order to improve the understanding and treatment of Brucella endocarditis.Methods The clinical data including demographic characteristics,clinical features,laboratory data,echocardiography,treatment and clinical outcome of 6 patients with Brucella endocarditis were collected and analyzed.Results In our database consisting of 211 brucellosis patients with positive blood culture,6 patients (2.8％) with Brucella endocarditis were selected from May 2007 to December 2016 in Peking Union Medical College Hospital.The age range was 25-55 years,among whom 5 patients were men.The majority were farmers and all patients reported the history of closely contact with livestock.All of them had fever and 3 of them had arthralgia.Four patients had aortic involvement (4/6) and 2 of them presented with symptoms of left ventricular failure at admission.Blood culture of Brucella and serum agglutination test of Brucella were positive in all of them.Combined antibiotics treatments were given to all patients.Valve replacement surgery was performed in four patients,among them,three patients well recovered,one lost.Among all the patients,four were followed up continually and other two were lost.Conclusions Brucella endocarditis has a predominance of aortic involvement and is prone to left ventricular failure.Early antibiotic treatment combined with valve-replacement surgery is effective to improve the prognosis.
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Objective To analyze the epidemiology and clinical characteristics of patients with Brucella endocarditis in order to improve the understanding and treatment of Brucella endocarditis.Methods The clinical data including demographic characteristics,clinical features,laboratory data,echocardiography,treatment and clinical outcome of 6 patients with Brucella endocarditis were collected and analyzed.Results In our database consisting of 211 brucellosis patients with positive blood culture,6 patients (2.8％) with Brucella endocarditis were selected from May 2007 to December 2016 in Peking Union Medical College Hospital.The age range was 25-55 years,among whom 5 patients were men.The majority were farmers and all patients reported the history of closely contact with livestock.All of them had fever and 3 of them had arthralgia.Four patients had aortic involvement (4/6) and 2 of them presented with symptoms of left ventricular failure at admission.Blood culture of Brucella and serum agglutination test of Brucella were positive in all of them.Combined antibiotics treatments were given to all patients.Valve replacement surgery was performed in four patients,among them,three patients well recovered,one lost.Among all the patients,four were followed up continually and other two were lost.Conclusions Brucella endocarditis has a predominance of aortic involvement and is prone to left ventricular failure.Early antibiotic treatment combined with valve-replacement surgery is effective to improve the prognosis.
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Objective To determine the immunophenotypic features of peripheral lymphocytes in adult patients with Epstein-Barr virus (EBV)-associated infectious mononucleosis (IM) and chronic active EBV infection (CAEBV).Methods Eighteen IM patients,12 CAEBV patients and 18 healthy donors were included.Lymphocyte subsets including CD3-CD+19 B cells,CD3-CD+16/56 NK cells,CD4+ and CD8+T cells in peripheral blood were measured by flow cytometry.The expression of activation markers (HLA-DR and CD38) on CD8+T cells and CD28 expression on T cells were also determined.Kruskal-Wallis H and MannWhitney U tests were used to compare variables among groups.Results IM patients had dramatically increased CD8+T cell counts than healthy donors (5.22 × 109/L vs 0.54 × 109/L,P ＜ 0.001).B cell counts moderately reduced in patients with IM than in healthy donors.No difference was found in absolute CD4+T cell and NK cell counts between IM and healthy donors.The levels of HLA-DR and CD38 on CD8+T cells significantly increased in IM patients compared with those in healthy controls.The intensity of CD28 on CD8+T cells significantly decreased,which was not seen on CD4+T cells.The median cell counts of B,NK,CD4+T and CD8+T subsets in CAEBV patients were 0.02 × 109/L,0.06 × 109/L,0.26 × 109/L and 0.21 ×109/L respectively,which were significantly lower than those in healthy donors (0.22 × 109/L,0.38 ×109/L,0.78 × 109/L,0.54 × 109/L) and IM patients (0.12 × 109/L,0.40 × 109/L,0.91 × 109/L,5.22 ×109/L).The positive rates of HLA-DR and CD38 on CD8+T cells in CAEBV patients were higher than those in healthy controls,but lower than those in IM patients.Conclusions The immunophenotypic pattern in adult patients with IM is characterized by a dramatic increase of extensively activated CD8+ T cells,a moderate reduction of CD+19B cells and no significant change of CD4+T cells and CD+16/56NK cells.CAEBV is featured by an immunosuppression status as demonstrated by significantly decreased B,NK,CD4+T and CD8+T subsets.
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Objective To better understand the clinical characteristics and predisposing factors in non-pregnant patients with Listeria monocytogenes (Listeria) sepsis.Methods Clinical data were collected at Peking Union Medical College Hospital between January 2002 and December 2014.A case with non-pregnant Listeria sepsis is defined as a non-pregnant person with clinically compatible illness and from whom Listeria was isolated from his/her blood culture.We define an underlying condition if a patient has been diagnosed of and/or has been treated for a concurrent baseline disease within 1 month prior to the onset of Listeria sepsis.Results A total of 35 patients were enrolled.The age of all patients was (49.1 ± 17.0) years.The male to female ratio was 2∶ 3.Most patients were combined with at least 1 underlying condition (33,94.3％),including 42.9％ patients with an autoimmune disease,34.3％ with malignancies.The majority (91.4％) represented an acute onset (＜ 1 week) with median time of 3 days.Clinical manifestations included fever (34/35,97.1％),central nervous system (CNS) symptoms (17/35,48.6％),gastrointestinal tract symptoms (13/35,37.1％).Fourteen patients had undergone lumber puncture and cerebral spinal fluid (CSF) tests,which revealed abnormalities comparable of Listeria meningitis.Listeria was isolated from CSF in 11 of 14 patients (78.6％).There were 34 patients receiving empiric antibiotics including 54.3％ cephalosporins which are resistant to Listeria.Twenty five (71.4％) patients were switched to the target antimicrobials according to positive blood culture.Of the 35 patients with Listeria sepsis,21 (60.0％) recovered or were cured,however the rest (40.0％) had dismal outcome.Six patients died in hospital,8 critical patients were discharged and died after transferring to local hospitals.Conclusions Listeria sepsis is commonly associated with non-pregnant patients with compromised immune function.Clinical presentations include acute fever,CNS symptoms and gastrointestinal symptoms etc.Empiric antibiotics covering Listeria should be considered when sepsis is suspected among susceptible hosts.
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Objective To study the prevalence and the related risk factors of diabetic peripheral neuropathy(DPN) after good blood glucose well controlled among in middle-aged and old-aged population with type 2 diabetes mellitus in a community of Beijing.Methods DPN was screened by Michigan neuropathy screening instrument (MNSI),and common blood biochemical parameters were tested,among over 45 years of age registered population patients with type 2 diabetes mellitus in Shuangjing community of Chaoyang District of Beijing.Results The blood glucose control rate was 90.36％ (253/280),and the prevalence of DPN was 25.36％ (71/280) with male of 24.47 ％ (23/94) and female of 25.81％ (48/186).Univariate analysis showed that both age and HbA1c in DPN group were higher than that of non-DPN group,and the differences were statistically significant(P =0.000,0.008).The level of plasma low density lipoprotein cholesterol(LDL-C) of the DPN group was lower than that of the non-DPN group,and the difference was statistically significant (P=0.017).The hypertension prevalence rate of the DPN group was 87.32％(62/71),higher than that of the nonDPN group(75.6％ (158/209)),and the difference was statistically significant (P =0.037).The multivariate logistic regression analysis showed that the estimate of parameter for age was 0.143 (P =0.0001),OR was 1.153,95％CI was from 1.029 to 1.219,for HbA1c was 0.529(P=0.03),OR was 1.698,95％CI was from 1.053 to 2.738,and for LDL-C was-O.919 (P =0.018),OR was 0.399,95％ CI was from 0.186 to 0.854.Conclusion The prevalence of DPN is still above 25％ among middle-aged and old-aged in a community,even though the well controlled rate of blood glucose control rate is above 90％.It is possible that old age and HbA1c are related to DPN,apart from blood glucose.
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Objective To evaluate effects of acitretin on HaCaT cells cultured in hypoxic condition,and to preliminarily explore the possible therapeutic mechanisms of acitretin in psoriasis.Methods HaCaT cells were divided into several groups to be cultured in hypoxic condition with the presence of acitretin at concentrations of 10-5,10-6,10-7 and 10 8 mol/L respectively,with cells treated with dimethyl sulfoxide (DMSO) as DMSO control group and those receiving no treatment as blank control group.Cellular proliferative activity was evaluated by CCK-8 assay after 12-,24-and 36-hour hypoxic culture in vitro.The mRNA and protein expressions of hypoxia-inducible factor-1α (HIF-1α) and vascular endothelial growth factor (VEGF) were determined by reverse transcription (RT)-PCR and Western-blot analysis,respectively,after 24-hour hypoxic culture.Results After 24-hour hypoxic culture,the cellular proliferation rate was inhibited by 13.31％ ± 1.15％,21.86％ ± 5.31％,32.05％ ± 2.99％ and 37.28％ ± 3.21％ in the 10 8-,10-7-,10-6-and 10-5-mol/L acitretin groups respectively.With the increase of culture duration and acitretin concentrations,the degree of inhibition on cellular proliferation increased gradually.Compared with the blank control group,the 10-5-mol/L acitretin group showed significantly decreased protein expression of HIF-1α (0.319 ± 0.180 vs.1.196 ± 0.088,P ＜0.05),as well as decreased mRNA and protein expressions of VEGF (mRNA:0.442 ± 0.090 vs.1.108 ± 0.073;protein:0.216 ± 0.066 vs.1.174 ± 0.186;both P ＜ 0.05).However,no significant difference was found in the mRNA expression of HIF-lα between the 10-5-mol/L acitretin group and blank control group.Conclusion Acitretin can suppress the in vitro proliferation of HaCaT cells cultured in hypoxic condition,and down-regulate the expressions of HIF-1α and VEGF proteins as well as VEGF mRNA.
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Objective To summarize the clinical characteristics and outcome of maternal listeriosis so as to improve the understanding of disease and the level of diagnosis and treatment.Methods Retrospectively,16 cases of maternal listeriosis,who were treated at Peking Union Medical College Hospital between March 2007 and December 2014 were reviewed.Maternal listeriosis is defined when a pregnant woman presents with symptoms as listeriosis,meanwhile Listeria monocytogenes is isolated from sterile tissue or peripheral blood,or from a non-sterile site (uterus swab) or pathological evidence of chorioamnionitis.The neonatal listeriosis is diagnosed as acute listeria sepsis.Results The mean age of these 16 patients was (30.0 ± 3.9) years old.There were 1,8,7 patients with listeriosis diagnosed in the first,second and third trimester of pregnancy,respectively.All had an acute onset of illness (≤2 weeks),the median time from onset to presentation was 2.5 days.Clinical manifestations included fever (93.8％,15/16),leukocytosis (78.6％,11/14),chorioamnionitis (77.8％,7/9),gastrointestinal symptoms (37.5％,6/16) and fetal movement decrease (31.3％,5/16).Listeria monoeytogenes were isolated from blood (6 cases),uterus swab (6 cases),blood plus uterus swab (1 case),and neonates (3 cases).All maternal cases recovered well after the termination of pregnancy,even none of them had received empiric antibiotics sensitive to listeria.A very high proportion of adverse pregnancy outcomes occurred (15/16,93.8％).There were 8 fetal losses.Seven neonates were complicated with listeria sepsis and treated successfully.Conclusions The patients with maternal listeriosis commonly presented with acute fever and an extremely high incidence of adverse pregnancy outcomes,however empiric antibiotics can hardly cover this pathogenic bacterium.So both pregnant women and clinicians should maintain a high level of vigilance against listeriosis and pay more attention to dietetic hygiene.
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<p><b>BACKGROUND</b>An zidovudine (AZT)-substitution regimen containing 24-week stavudine (d4T) followed by long-term AZT for HIV therapy is potential to trade off short-term AZT-related anemia and long-term risks associated with d4T in resource-limited settings. However, evidence is scarce. This study aims to assess the efficacy and safety of AZT-substitution regimen, aiming to find a regimen with better efficacy, less adverse events, and more affordability in resource-limited settings.</p><p><b>METHODS</b>This prospective, multicenter study enrolled 499 (190 on d4T regimen, 172 on AZT regimen, and 137 on AZT-substitution regimen) HIV-1-infected subjects who initiated combined antiretroviral therapy and attended follow-up visits over 96 weeks from 2009 to 2011. Lamivudine (3TC) and either nevirapine (NVP) or efavirenz (EFV) were the other two drugs in the antiretroviral regimens. Virologic and immunologic responses and adverse events were monitored at baseline and at weeks 4, 12, 24, 36, 48, 60, 72, 84, and 96.</p><p><b>RESULTS</b>In terms of hematological adverse effects, AZT-substitution group had similar safety profiles to d4T group and was superior to AZT group. In comparison with AZT-substitution group, AZT group was associated with higher risk of developing anemia (adjusted hazard ratio (aHR) for anemia ≥ grade II, 8.44, 95% CI 1.81-39.46) and neutropenia (aHR for neutropenia ≥ grade II, 1.86, 95% CI 1.19-2.93). The prevalence of lipodystrophy in d4T group was 19.5%, while that in AZT-substitution group was zero. As to antiretroviral efficacy, these three groups showed no differences.</p><p><b>CONCLUSION</b>AZT-substitution regimen provides a relatively safe and effective first-line antiretroviral strategy in resource-limited settings.</p>
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Adult , Female , Humans , Male , Middle Aged , Anti-HIV Agents , Therapeutic Uses , HIV Infections , Drug Therapy , Prospective Studies , Stavudine , Therapeutic Uses , Zidovudine , Therapeutic UsesABSTRACT
Objective To improve the diagnosis and treatment of Q fever endocarditis.Methods From 2008 to 2013,four cases of Q fever endocarditis were diagnosed in Peking Union Medical College Hospital.Clinical features,laboratory test,management and prognosis were analyzed with literature review.Result All four cases had long period of fever and heart murmur.Two patients represented with respiratory symptom and one with non-specific rash.General laboratory tests including complete blood cell count,ESR,C-reactive protein(CRP),liver function and radiology of lung did not show specific abnormalities.Signs of endocarditis were shown by ultrasound and important for diagnosis.Repeated blood culture was negative.All of the diagnoses were confirmed by serum antibody detection and the patients recovered well with treatment based on doxycycline or minocycline.Conclusions Endocarditis is the most common form of chronic Q fever,which is easily misdiagnosed because its blood culture is negative and may accompanied with varied manifestation such as pneumonia and liver injury.For the patients with chronic fever and blood culture negative endocarditis,chronic Q fever should be considered as differential diagnosis.The confirmatory method for diagnosis is serum antibody detection.Early and sufficient treatment may improve the prognosis.
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Objective To evaluate the clinical diagnostic contribution of 18 F-FDG PET/CT in giant cell arteritis with initial presentation as fever of unknown origin (FUO).Methods Eight cases with initial presentation as FUO diagnosed with the contribution of PET/CT were retrospectively studied in Peking Union Medical College Hospital.The radiologic manifestations of PET/CT were analyzed.Results Eight patients (4 men and 4 women) with average (63 ± 7) years (range from 55-75 years) were included in our study based on the criteria.Non-specific clinical symptoms were common in these patients,including fatigue,night sweat and weight loss.They all suffered from anemia of chronic disease.Not surprisingly,the inflammatory parameters were elevated significantly in all patients.The medical history,physical examination and routine lab and radiologic examinations couldn't reveal the causes of fever.PET/CT was performed in all of them,which demonstrated intense 18F-FDG uptake in the area of aorta and its major branches with maximal standard uptake value (SUVmax) 2.1-4.6 (3.6 ± 0.9).Immunosuppressive agents were effective to control the inflammation activity.The SUV decreased significantly after treatment in the follow-up PET/CT.Conclusions PET/CT has demonstrated high yield of diagnostic contribution in giant cell arteritis with initial presentation as fever of unknown origin.As to elderly FUO patients presenting with prominent inflammatory reaction,PET/CT may provide potential value to differentiate diagnosis from maligancies.
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Objective To analyze the clinical characteristics of AIDS-related non-Hodgkin lymphoma(ARL)and review relative literature for the diagnosis and treatment of ARL.Method The clinical data of ARL patients admitted to Peking Union Medical College Hospital from April 2009 to April 2011 were retrospectively analyzed.Results Five male ARL patients aged 32 to 65 years old were included in this retrospective study.Among them,two patients were found to be HIV-positive for the first time,three were on regular highly active anti-retroviral therapy(HAART)for 7-8 months before the emergence of lymphoma-related symptoms.CD4+ T cell count was(69-232)× 106/L at presentation.Two patients firstly presented with sore throat and throat ulcer,one with cervical nodules,one with pelvic mass,one with fever and edema in right thigh.Through pathological analysis,four patients had B cell-originated lymphoma,with one Burkitt lymphoma and three diffuse large B cell lymphomas; one patient had T-cell lymphoma.Four patients were treated with chemotherapy,with one complete remission,one relapse,one non-response,and one death.One patient had radiotherapy only and had progressed disease.Bone marrow suppression and gastrointestinal disturbance were the main adverse effects of chemotherapy.Conclusions Lymphoma should be considered in any HIV-infected patients presented with unexplainable adenopathy,recurrent sore throat or throat ulcer,or fever of unknown origin.Biopsy should be rigorously carried out.Appropriate chemotherapy,together with HAART,may improve the prognosis greatly.
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Objective To report the clinical characteristics of prosthetic valve endocarditis (PVE).Methods All 25 cases of definite PVE (Duke criteria) diagnosed at our hospital between January 1992 to December 2008 were retrospectively analyzed. Among them, 7 cases were pathologically confirmed and the others were clinically confirmed with either 2 major criteria or 1 major and ≥3 minor criteria. Their clinical characteristics, underlying heart diseases, previous heart operations, presenting manifestations, causative microbes, echocardiographic findings and prognosis, were studied. Results (1) Although most cases underwent valve transplantations for underlying heart diseases of rheumatic heart diseases and congenital heart diseases, 10 patients were complicated with infectious endocarditis (IE) prior to the operations, 4 of them were PVE. (2) Eleven of them developed PVE within 2 months postoperatively. Fever (100%),major vessel embolism (48%), and anemia (36%) were the most frequently manifestations. Fourteen cases (56%) had positive culture results with 15 causative pathogens, including 5 coagulase-negative Staphylococcus (CNS, 3 were methicillin-resistant coagulase-negative Staphylococcus, MRSCoN), 4 fungi, 2Enterococcus faecalis, 2 Burkholderia cepacia, 1 Stenotrophomonasmal-tophilia, and 1 Streptococcus.(3)Prosthetic valve vegetations, periannular leakage, regurgitation, were the main echocardiographic findings.Transesophageal echocardiography (TEE) revealed 13 PVE who had no positive findings on previous transthoracic echocardiography (TTE). (4) Eighteen PVE (72%) developed peri-annular complications (12 leakage, 3 dehiscence, 2 abscesses, 1 fistula), major vessel embolism, congestive heart failure (16%) were frequently observed, 9 of the 17 patients died in hospital, in spite of intensive managements.Conclusions PVE has a high mortality and is a severe complication for patients who underwent heart surgery. Its causative pathogen spectrum is quite different from that of native valve endocarditis. TTE is not sensitive for some PVE cases.
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Objective To improve the diagnosis and treatment of infective endocarditis(IE)by exploring its causes,pathogenic microorganism and clinicsI characteristics.Methods The clinical data of 120 IE patients treated in Peking Union Medical College Hospital from October 1997 to September 2007 were analyzed retrospectively.Results Of the 120 consecutive cascs diagnosed as IE according to the Duke's new criteria,79 were male and 41 female with a average age of(43.2±16.7)years old.Twelve cases were prosthetic valve endocarditis(PVE)and 108 cases native valve endocarditis(NVE)and there were no previously known heart diseases in 29 of the cases.Seventy-nine of the 108(73.1%)NVE patients had basic cardiac abnormalifies before IE diagnosis,such as congenital cardiovascular disease(30 cases),idiopathic mitral valve prolapse(23 cases)and rheumatic heart disease(11 cases).Fever(100.0%),anemia(54.2%)and embolism(48.3%)were the most common clinical manifestations in the IE development.Of the 83 patients who had a positive blood culture result,Streptococcus vividaus(51.8%)was the most common isolated microorganism.Conclusions Congenital cardiovascular diseases and idiopathic mitral valve prolapse are the two most commonly heart diseases in IE.Blood culture and echocardiogram should always be done to exclude IE,especially presenting with fever of unknown reasons.
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Objective To investigate the factors that might influence the effectiveness of treatment for cryptococcal meningitis. Methods Retrospective analysis was conducted for 11 patients with cryptococcal meningitis admitted to Peking Union Medical College (PUMC) Hospital during 1980-1995. Results Seven of 11 patients with cryptococcal meningitis were successfully cured with combination of amphotericin B and flucytosine for 14 to 31 weeks (five months in average), paraventriculostomy was performed in five of them with hydrocephalus complicated with deteriorated mental status and one of them was administered with additional fluconazole for 15 days during its early stage of therapy. Four of the 11 patients died from cryptococcosis during the course of antifungal therapy. The duration of illness varied from three weeks to four and a half months (two months in average) . And four of them had underlying illness with steroids / cytotoxic therapy and another one had AIDS. Factors associated with unfavorable outcomes included more rapidly progress of the illness (2/11), delay in diagnosis and antifungal therapy, severe impairment of host defense mechanisms against infection, underlying illness involving central nervous system, and significantly abnormal cerebrospinal fluid for a sustained period. Conclusions Cryptococcal meningitis could hardly be diagnosed earlier. Combination of antifungal therapy with paraventriculoatomy at adequate time, if necessary, was effective in treatment for it.