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[Histopathologic risk factors in patients with non-seminomatous germ tumors of the testis in clinical stage 1. Retrospective study of 75 patients].

OBJECTIVES: This retrospective study was performed to evaluate histopathologic prognostic risk factors in 75 patients on clinical stage 1 nonseminomatous germ cell cancer of the testis (NSGCTT). METHODS: From September 1976 to February 2000 we operated on 75 patients for NSGCTT on clinical stage 1 disease. Average age was 29.5 years (range 16-71). After orchiectomy, therapeutic options included retroperitoneal lymph node dissection (RLND) for 44 patients (58.6%), surveillance for 26 (34.6%) and neoadjuvant chemotherapy for 5 (6.6%). Testis primary tumor samples were assessed for studying prognostic risk factors that included vascular and/or lymphatic invasion (IV/IL+), percentage of embryonal carcinoma (%EC) and absence of yolk sac tumor (YS-). RESULTS: All patients were alive and disease-free. The average age follow-up was 84.5 months (range 1-254). Relapses occurred in 11 (14.6%) patients after an average follow-up of 9.09 months (range 3-24). Prognostic risk factors were detected as follows: IV/IL+ in 17 cases (22.7%), (50-80%) EC in 23 (30.6%), CE% > 80 in 23 (30.6%), YS- in 55 (72%). In 8 (10.6%) patients there was not any prognostic risk factor. Disease relapse related to prognostic risk factors was detected as follows: 18.1% for VI/LI, 90.9% for EC% > 50 (27.2% for 50-80% EC and 63.6% for CE% > 80) and 90.9% for YS-. Relapsing rates between patients with EC% > 80 and 50-80% EC resulted statistically significant (p = 0.02, odds ratio = 12.25). Relapsing rates between patients on surveillance and those who underwent RLND was next to be significant (p = 0.05, odds ratio 3.68). CONCLUSIONS: EC% > 80 is a prognostic risk factor for disease relapse in patients with clinical stage 1 NSGCT who are selected in a high risk group requiring RPLND or neoadjuvant chemotherapy as therapeutical option.

Adolescent↗

Cardiopulmonary exercise testing identifies low risk patients with heart failure and severely impaired exercise capacity considered for heart transplantation.

OBJECTIVES: The 3-year survival rates of 500 patients with congestive heart failure (CHF) referred for heart transplantation were assessed to evaluate the clinical and exercise variables most useful for estimating prognostic risk. BACKGROUND: Detailed prognostic risk stratification of patients with a peak exercise oxygen consumption (VO2) < or = 14 ml/min per kg to identify lower risk patient subsets has been limited in earlier series by relatively small sample size. METHODS: Cardiopulmonary exercise testing was performed in 500 patients with CHF referred for heart transplantation; 154 (31%) had a peak exercise VO2 < or = 14 ml/min per kg. Univariate and multivariate analyses were performed to identify the 3-year prognostic risk. RESULTS: The 55% 3-year survival rate of the 77 patients with a peak exercise VO2 < or = 14 ml/min per kg unable to reach a peak exercise systolic blood pressure (SBP) of 120 mm Hg was significantly lower than the 83% survival rate in the 74 patients able to reach this exercise blood pressure (p = 0.004). Multivariate analysis revealed that peak exercise SBP (p = 0.0005) and percent predicted peak VO2 < or = 50% (p = 0.04) were the two most important predictors for the combined end point of death or listing as Status 1. CONCLUSIONS: Peak exercise SBP and percent predicted peak exercise VO2 are two inexpensive and easily measured noninvasive variables that can be used to further prognostically risk stratify ambulatory patients with CHF referred for heart transplantation with a peak exercise VO2 < or = 14 ml/min per kg.

Adult↗

Risk and prognostic factors of ventilator-associated pneumonia in trauma patients.

OBJECTIVE: To assess the risk and prognostic factors of ventilator-associated pneumonia in trauma patients, with an emphasis on the inflammatory response. DESIGN: Case-control study. SETTING: Trauma intensive care unit. PATIENTS: Of 190 consecutive mechanically ventilated patients, those with microbiologically confirmed pneumonia (n = 62) were matched with 62 controls without pneumonia. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Clinical, microbiological, and outcome variables were recorded. Cytokines were measured in serum and blind bronchoalveolar lavage specimens at onset of pneumonia. Multivariate analyses of risk and prognostic factors for ventilator-associated pneumonia were done. Increased severity of head and neck injury (odds ratio, 11.9; p < .001) was the only independent predictor of pneumonia. Among patients with pneumonia, serum levels of interleukin-6 (p = .019) and interleukin-8 (p = .036) at onset of pneumonia were higher in nonresponders to treatment. Moreover, serum levels of tumor necrosis factor-alpha (p = .028) and interleukin-6 (p = .007) at onset of pneumonia were higher in nonsurvivors. Mortality in the intensive care unit was 23% in cases and controls. Nonresponse to antimicrobial treatment (odds ratio, 22.2; p = .001) and the use of hyperventilation (p = .021) were independent predictors of mortality in the intensive care unit for patients with pneumonia. CONCLUSIONS: Severe head and neck trauma is strongly associated with ventilator-associated pneumonia. A higher inflammatory response is associated with nonresponse to treatment and mortality among patients with pneumonia. Although pneumonia did not influence mortality, nonresponse to treatment independently predicted mortality among these patients.

Adult↗

Prognostic model of event-free survival for patients with androgen-independent prostate carcinoma.

BACKGROUND: The current study was conducted to develop a prognostic model of event-free survival (EFS) in men with androgen-independent prostate carcinoma (AIPC). METHODS: Data from 160 patients diagnosed with AIPC between 1989-2002 were reviewed. No patient had received cytotoxic chemotherapy. A univariate Cox proportional hazards model identified significant predictors of EFS. Recursive partitioning analysis divided these significant variables into prognostic risk groups. The final prognostic model was tested with a Cox proportional hazards model. RESULTS: The final prognostic risk model included the presence of metastatic disease at the time of androgen-independent disease progression (P = 0.040), time to prostate-specific antigen (PSA) recurrence (P = 0.043), and PSA doubling time (P < 0.01). Three highly independent risk groups were identified. The observed median EFSs were 6.1 months (95% confidence interval [95= CI], 3.4-8.8 months), 33.6 months (95= CI, 25.3-41.9 months), and 96.1 months (95= CI, 57.9-134.3 months) for the low-risk, intermediate-risk, and high-risk groups, respectively. Each risk group was found to be independently predictive of EFS (P < 0.01). Patients who died of prostate carcinoma experienced significantly more clinical events than those who died of other causes (P < 0.01). CONCLUSIONS: The prognostic model in the current study stratified patients into three highly significant and independent risk groups for EFS. A detailed PSA history and knowledge of metastatic disease are sufficient to risk-stratify patients with AIPC. One very unique aspect of this model was that it was developed from a patient cohort that never received chemotherapy.

Aged↗

Relative value of N-terminal probrain natriuretic peptide, TIMI risk score, ACC/AHA prognostic classification and other risk markers in patients with non-ST-elevation acute coronary syndromes.

AIMS: We prospectively studied the additive value of N-terminal probrain natriuretic peptide (NT-proBNP) in relation to the Thrombolysis in Myocardial Infarction (TIMI) risk score and the American College of Cardiology/American Heart Association (ACC/AHA) joint prognostic classification, and compared the predictive capacity of NT-proBNP, troponin T (TnT), C-reactive protein (hsCRP), myoglobin, and creatine kinase-MB (CK-MB) concentrations in a cohort of 1483 consecutive patients with non-ST-segment-elevation acute coronary syndromes (NSTE-ACS). METHODS AND RESULTS: Centralised measurements of NT-proBNP, TnT, myoglobin, and hsCRP were performed 3 h (median) after admission. Adjusting by clinical, ECG variables, and biomarkers, NT-proBNP concentration was the strongest independent predictor of in-hospital (OR 1.7, 95% CI: 1.31-2.20, p < .001) and 180-day mortality (OR 1.67, 95% CI: 1.41-1.99, p < .001), and added significant prognostic information to the TIMI and ACC/AHA prognostic categories. NT-proBNP was not an independent predictor of risk of new myocardial infarction, even in the acute or long term. CONCLUSIONS: In NSTE-ACS, NT-proBNP adds substantial information to the TIMI risk score and the ACC/AHA classification. Compared to other biomarkers, NT-proBNP is the strongest independent predictor of in-hospital and 180-day mortality.

Aged↗

[Acute renal failure in intensive care unit: risk and prognostic factors].

The purpose of this study is to specify the incidence, the risk and prognostic factors of the ARF. Transverse study about all the patients hospitalized in our department during one year. The incidence of the ARF was 18%. The state of shock, sepsis, high SAPS and advanced age were the main risk factors of the ARF happening. The mean number of multiple organ failure was 3.8 +/- 1.4 in the died patients versus 2.2 +/- 0.3 in the survivors. The whole mortality was about 46.3%. In our department, the incidence of the ARF is lower than in the literature. Age, SAPS, sepsis and state of shock are the main risk factors. ARF mortality is still high particularly in the case of shock or multiple organ failure.

Acute Kidney Injury↗

[Risk and prognostic factors of Pseudomonas aeruginosa bacteremia in critically ill patients].

BACKGROUND: To determine risk and prognostic factors in patients admitted to the intensive care unit (ICU) in which an episode of bacteremia caused by Pseudomonas aeruginosa has been diagnosed. PATIENTS AND METHOD: Cohort, observational, prospective, multicenter study. Patients admitted to 30 ICUs in Spain in whom one or more pathogens were isolated from blood cultures were included. RESULTS: In a total of 16,216 patients admitted to the participating ICUs during the study period, 949 episodes of bacteremia were diagnosed In 77 cases (8.11%), P. aeruginosa was the causative pathogen, with an infection rate of 4.7 episodes per 1000 patients. Independent risk factors associated with P. aeruginosa bacteremia were as follows: respiratory infection focus (OR 3.92; 95% IC 2.33-6.59; p </= 0.0001), previous use of antibiotics (OR 2.13; 95% IC 1.18-3.81; p </= 0.0078), arterial catheter (OR 4.09; 95% IC 2.26-7.38; p </= 0.0001), and previous longer ICU stay (days) (OR 1.02; 95% IC 1.003-1.033; p = 0.0274). Crude mortality rate in patients with bacteremia caused by P. aeruginosa was 50.6% (39/77), whereas mortality rate of bacteremia caused by other pathogens was 38.6% (337/872) (p = 0.039). This difference was also found for attributed mortality (31.2% [24/77] vs. 20.4% [178/872], (p = 0.027). In the multivariate analysis adjusted by respiratory infection focus, previous ICU stay, and age, crude mortality (OR 1.55; 95% CI 0.96-2.51; p = 0.071) and attributed mortality (OR 1.63; 95% CI 0.96-2.78; p = 0.0709) of P. aeruginosa bacteremia were higher than in bacteremia caused by other pathogens. In the multivariate analysis, risk factors significantly associated with crude mortality were respiratory infection focus (OR 4.13; 95% IC 1.15-14.76; p = 0.0293) and severe sepsis or septic shock (OR 4.96; 95% IC 1.23-20.09; p = 0.0248). CONCLUSIONS: Bacteremia caused by P. aeruginosa admitted to the ICU have a higher crude and attributed mortality than bacteremias caused by other pathogens. Prognosis is associated with the presence of severe sepsis or septic shock and respiratory infection focus.

Anti-Bacterial Agents↗

Coronary calcium does not accurately predict near-term future coronary events in high-risk adults.

BACKGROUND: Prognostic risk models have had limited success in predicting coronary events in subjects with multiple risk factors. We and others have proposed an alternative approach using radiographically detectable coronary calcium. We evaluated and compared the predictive value of these 2 approaches for determining coronary event risk in asymptomatic adults with multiple coronary risk factors. In addition, we assessed the predictive value of a risk model that included calcium score and cardiac risk-factor data. METHODS AND RESULTS: We recruited 1196 asymptomatic high-coronary-risk subjects who then underwent risk-factor assessment and cardiac electron-beam CT (EBCT) scanning and were followed up for 41 months with a 99% success rate. We applied the Framingham model and our data-derived risk model to determine the 3-year likelihood of a coronary event. The mean age of our cohort was 66 years, and mean 3-year Framingham risk was 3.3+/-3.6%. Sixty-eight percent (818 subjects) had detectable coronary calcium. There were 17 coronary deaths (1.4%) and 29 nonfatal infarctions (2. 4%). The receiver operating characteristic (ROC) curve areas calculated from the Framingham model, our data-derived risk model, and the calcium score were 0.69+/-0.05, 0.68+/-0.05, and 0.64+/-0.05, respectively (P=NS). When calcium score was included as a variable in the data-derived model, the ROC area did not change significantly (0.68+/-0.05 to 0.71+/-0.04; P=NS). CONCLUSIONS: Neither risk-factor assessment nor EBCT calcium is an accurate event predictor in high-risk asymptomatic adults. EBCT calcium score does not add significant incremental information to risk factors, and its use in clinical screening is not justified at this time.

Aged↗

[Management and risk factors of recurrent gestational trophoblastic tumor].

OBJECTIVE: To analyze the management, prognosis and prognostic risk factors of recurrent gestational trophoblastic tumor (GTT). METHODS: One thousand one hundred and thirty GTT patients, aged 29 +/- 6, were hospitalized and treated and 901 of them got complete remission (CR). Among these CR patients, 31 suffered relapsed. The clinical data of these 31 cases were analyzed retrospectively. RESULTS: Thirty-one patients suffered 15.3 months (6-72 months) after the cessation of treatment with an overall recurrence rate of 3.4% (31/901). Four of the 31 patients suffered relapse repeatedly (totally seven times), resulting in an overall re-recurrence rate of 22.6% (7/31). Twenty-five of the 31 patients were re-hospitalized and received treatment. Eighteen of them got complete remission (CR), 3 got partial remission (PR), and 4 died of progress of the disease (PD). The major adverse prognostic risk factors included: clinical stage (P < 0.05), an interval of more than 12 months from the antecedent pregnancy to chemotherapy (OR = 3.170, P < 0.05), declination of beta-hCG level back to normal titer after more than seven courses of chemotherapy (OR = 4.775, P < 0.05), and less than two courses of consolidation chemotherapy (OR = 0.441, P < 0.05). CONCLUSION: More attention should be given to those GTT patients with adverse prognostic risk factors. Multi-drug and multiple route chemotherapy and/or combined surgical intervention can be used to improve the cure rate and lower the re-recurrence rate of the GTT recurrent patients.

Adult↗

Nosocomial infections due to Acinetobacter species: Clinical findings, risk and prognostic factors.

PURPOSE: Nosocomial infections caused by Acinetobacter species is of increasing concern in critically ill patients, and the risk factors for this infection are not well established. The present investigation was done to determine incidence of nosocomial Acinetobacter infections. Our study retrospectively attempts to find risk and prognostic factors for the nosocomial acquisition of Acinetobacter infection. METHODS: The medical records of 43 patients with Acinetobacter infection during two-year period (Oct1998-Oct2000) were reviewed to find the factors involved in the nosocomial acquisition of Acinetobacter. Acinetobacter isolates that were obtained from these patients were phenotypically typed using carbon assimilation tests. Antimicrobial susceptibility testing results were noted from the microbiology records. RESULTS: Acinetobacter baumannii accounted for 41.8% (n=18) of all the infections. By multivariate logistic regression analysis, only resistant antibiotype {(Ceftazidime- OR, 7.13 [95% CI, 1 to 46];p= 0.044); (Cefotaxime- OR, 6.09 [CI, 0.87 to 30];p = 0.045)} and mechanical ventilation (OR, 5.84 [CI, 0.83 to 31];p = 0.05) were found to be potential independent risk factors for mortality. Overall mortality rate was 33%. CONCLUSIONS: Most of A. baumannii isolates were multidrug resistant in our set up and infections due to them were associated with high mortality. Prevention of Multiple drug resistant (MDR) A. baumannii infections was achieved after discontinuation of cefotaxime in ICU. Infection with resistant clones and mechanical ventilation were found to be potential independent risk factors for mortality.

Acinetobacter↗

Risk and prognostic factors of gut perforation after orthotopic liver transplantation for biliary atresia.

The aim of this study was to assess the risk and prognostic factors of gut perforation after orthotopic liver transplantation in children with biliary, atresia using univariate and stepwise regression analysis. Among 51 pediatric recipients who underwent transplantation because of biliary atresia after failure of portoenterostomy, 10 patients (20%) had 19 episodes of gut perforations after 14 transplantations. The median delay between transplantation and perforation was 13 days. These perforations were treated either by suture (n = 21) or ostomy (n = 11). The study of preoperative and perioperative variables showed that children with gut perforation were in surgery for a significantly longer period of time including a longer period of receiving hepatectomy and undergoing portal venous clamp. These children also needed large amounts of blood transfused during hepatectomy. After transplantation there was no difference regarding total steroid doses and early occurrence of cytomegalovirus disease between the two groups. Stepwise regression analysis identified three factors associated with the occurrence of gut perforation: duration of transplant operation, posttransplant intra-abdominal bleeding requiring reoperation, and early portal vein thrombosis. During the postoperative course, severe fungal infections were significantly more frequent in the gut perforation group. The 3-year patient survival rate was 70% in the group with gut perforation and was not different from the group without perforation (80%). This study shows that children with previous portoenterostomy carry a high risk of developing gut perforation after liver transplantation. This is especially true for those patients with the most difficult hepatectomies, which are responsible for the iatrogenic injury of the bowel. Other risk factors pointed out in this study were splanchnic congestion in case of prolonged portal venous clamp time or early portal vein thrombosis and repeated trauma of the bowel caused by reoperations. On the other hand, other well known risk factors, such as steroid therapy and viral diseases, were not involved in the occurrence of gut perforations in this study. Besides emergent surgical treatment, this type of complication requires aggressive therapy against fungal infections.

Biliary Atresia↗

Etiology, epidemiology, risk and prognostic factors, screening, and imaging of gynecologic cancers.

This review presents some of the articles published over the past year pertaining to the etiology, epidemiology, risk and prognostic factors, screening, and imaging techniques of gynecologic cancer. The most significant advances in this period were made in the area of the genetics of gynecologic cancers and the factors that control tumor growth. New technologies are being developed in this area, which may eventually produce therapies aimed at controlling gynecologic cancers at the genetic or cellular level. Research continues for ideal screening tests for noncervical gynecologic cancers. Continuing advances were made in imaging techniques, eg, magnetic resonance imaging, which can now display very high-resolution pictures of cancers in vivo, but this technology is limited by both cost and insufficient studies proving its value.

Endometrial Neoplasms↗

Risk and prognostic factors for differentiated thyroid cancer.

Papillary and follicular carcinomas, commonly referred to as follicular cell-derived differentiated thyroid carcinomas (DTC), account for 90% of all thyroid carcinomas. The prognosis of DTC is generally good, depending on the biologic behavior of the tumor and on the appropriate initial treatment which includes total thyroidectomy and ablation by radioiodine-131. However, a considerable number of patients, approximately 30%, as shown after 30 years of follow-up, have recurrent disease. It is thus of utmost importance to evaluate the prognostic factors, as derived from retrospective studies, and identify high risk patients. Age of more than 45 years or less than 25 years is a particularly strong independent prognostic factor; on the contrary gender is a poor prognostic factor. Histological type of the cancer especially tall cancer cells and columnar cancer cells, as well as increased vascular invasion of the tumor, lymph-node and distant metastases, are all considered as risk factors that can lead to poor prognosis. Combined prognostic factors have been used to form scoring systems (SS) such as AGES, MACIS, AMES, EORTC and TNM for a more precise description of high or low risk patients. However, prognostic significance of the SS is limited, since they do not take into consideration the clinical status or the treatment procedure during the course of the disease. Molecular factors such as rearrangements of genes RET/PTC, RAS mutations and fusion of, paired box and 8/peroxisome proliferator-activated receptor gamma (PAX8/PPARgamma) are also involved in thyroid cancer prognosis, while some others: human Pituitary- Tumor Transforming Gene (e.g. MIB-1, hPTTG) have been reported as additional prognostic factors. In this review we describe the risk and the prognostic factors of DTC as related to management and the outcome of DTC.

Age Distribution↗

Risk and prognostic factors for diarrheal disease in Brazilian infants: a special case-control design application.

The aim of this study was to examine the effect of demographic, socioeconomic, environmental, maternal reproductive, dietary, and nutritional variables on diarrhea risk and prognosis using a hierarchical framework. A case-control study of children aged 0-23 months in Greater Metropolitan Porto Alegre was conducted during the peak season for diarrhea in 1987-1988. Three groups were investigated, with 192 children each. The first group included hospitalized children with an episode of acute diarrhea complicated by moderate to severe dehydration. The second group included children with acute mild diarrhea without signs of dehydration who were identified in the same neighborhood as hospitalized cases. The third group consisted of controls without diarrhea. Mothers were interviewed by trained interviewers using a standardized questionnaire. Data analysis included a hierarchical approach to control for confounding, using conditional logistic regression. Comparison of the three groups aimed to identify risk factors for diarrhea complicated by dehydration, prognostic factors for dehydration, and risk factors for mild diarrhea. Low birth weight, stunting, and lack or breastfeeding acted simultaneously as risk and prognostic factors for diarrhea.

Brazil↗

Prognostication and risk stratification by assessment of left atrioventricular plane displacement in patients with myocardial infarction.

BACKGROUND: Mean left atrioventricular plane displacement is strongly related to prognosis in patients with heart failure. We aimed to examine its value for prognostication and risk stratification in patients hospitalised for acute myocardial infarction. METHODS AND RESULTS: Left atrioventricular plane displacement was assessed by echocardiography in 271 consecutive patients with acute myocardial infarction. Mean prospective follow-up was 628 days. Atrioventricular plane displacement was readily assessed in all patients and was significantly lower in patients who died (n=41, 15.1%) compared to the survivors: 8.2(5.6) v. 10.0(5.5) mm, P<0.0001. Overall mortality was 31.3% in the lowest quartile with regard to atrioventricular plane displacement (<8.00 mm) and 10.1% in the combined upper three quartiles. Thus, the hazard ratio for an atrioventricular plane displacement <8.0 mm compared to 8 mm or more was 3.1, P=0.0001. The combined mortality/heart failure hospitalisation incidence was 43.8% in the lowest and 14.6% in the combined upper three quartiles: Risk ratio 3.0, P<0.0001. In multivariate analysis, including age and history of atrial fibrillation, left atrioventricular plane displacement was an independent prognostic marker. CONCLUSION: In post-myocardial infarction patients, echocardiographic assessment of atrioventricular plane displacement showed a strong, independent prognostic value. Determination of left atrioventricular plane displacement can be readily performed in virtually all patients, and may in clinical practice facilitate identification of high-risk patients.

Aged↗

The relationship of proliferating cell density at the invasive tumour front with prognostic and risk factors in human oral squamous cell carcinoma.

BACKGROUND: We hypothesise that the density of proliferating cells at the invasive tumour front (ITF) has a positive relationship with prognostic and risk factors in human oral squamous cell carcinoma (SCC). METHODS: Tissues from 47 human oral SCC specimens were collected and stained with a monoclonal antibody directed against the Ki-67 antigen using a horseradish peroxidase based two-step immunostaining method. Counting was performed on two parallel sections at the ITF using an image analyser. The Ki-67 labelling index (LI) was determined by measuring the number of nuclei/mm(2) of epithelium. RESULTS: Our results show that the density of proliferating cells is related to clinical staging, with advanced stage of disease having a significantly higher Ki-67 LI compared with early stage of disease (2111 +/- 905 vs. 1908 +/- 913; P = 0.03). Importantly, this study shows that tumours that have metastasised have a significantly higher Ki-67 LI than tumours where distant metastasis was not detected (3257 +/- 650 vs. 1966 +/- 881; P < 0.0001). CONCLUSIONS: Cell proliferation, as measured by the Ki-67 LI at the ITF, has a positive relationship with clinical staging, tumour thickness, smoking status of the patient and alcohol consumption. Further, we suggest that a multicenter study with a large cohort of patients is indicated to fully elucidate whether cell proliferation at the ITF is directly related to patient survival.

Adult↗

[Psychosocial stress as a risk- and prognostic factor in coronary artery disease and myocardial infarction].

Cardiovascular diseases (CVD) challenge patients and social systems alike. Epidemiologic and economic data underscores demands for additional knowledge and therapeutic options. As recent data shows, psychosocial stress is underestimated as a risk- and prognostic factor in CVD. Cardiac mortality rises sharply whithin a small time-frame after a catastrophic event. But even common daily hassles, anxiety, depression or personality traits can impair cardiac health. Social networks are thought of being cardio-protective. However, if not perceived as supportive, social networks may influence cardiac health negatively. Therefore new approaches emerge against one of the most relevant disease of our time.

Anxiety↗

Clinical features, prognostic and risk factors of central nervous system infections in patients with systemic lupus erythematosus.

The purpose of this study is to describe the etiology, characteristics and outcomes of central nervous system (CNS) infections in patients with systemic lupus erythematosus (SLE), while also identifying prognostic and risk factors. Thirty-eight SLE patients with CNS infections were identified from review of all charts of patients with SLE hospitalized from January 1995 to June 2005. These patients were divided into 3 groups, i.e., Mycobacterium tuberculosis (TB), non-TB bacterial and fungal infection groups. Of the 38 SLE cases with CNS infections, TB was identified in 19 patients, Listeria monocytogenes in 3 patients, Klebsiella pneumoniae in 1 patient, Staphylococcus aureus in 1 patient, Gram's stain positive bacteria in 1 patient, Cryptococcus neoformans in 12 patients, and Aspergillus fumigatus in 1 patient. The rate of unfavorable outcome in patients with fungal infection was lower than in patients with TB (P=0.028) and non-TB bacterial CNS infections (P=0.046). SLE patients with TB or fungal CNS infections had a more insidious or atypical clinical presentation. Compared to SLE patients without CNS infections, those with CNS infections were more likely to have low serum albumin levels (P=0.048) and have been receiving higher doses of prednisolone at the onset of CNS infection (P=0.015) or higher mean doses of prednisolone within the previous year (P=0.039). In conclusion, low levels of serum albumin and higher doses of received prednisolone are important risk factors for the development of CNS infections in SLE patients.

Adolescent↗