Differential Impact of Combination Antiretroviral Therapy in Preventing Kaposi's Sarcoma With and Without Visceral Involvement

2006 ◽  
Vol 24 (21) ◽  
pp. 3408-3414 ◽  
Author(s):  
Sophie Grabar ◽  
Bruno Abraham ◽  
Aba Mahamat ◽  
Pascal Del Giudice ◽  
Eric Rosenthal ◽  
...  
Keyword(s):  
Kaposi's Sarcoma ◽  
Proportional Hazards ◽  
Specific Effect ◽  
Kaposi’S Sarcoma ◽  
Cox Proportional Hazards ◽  
Nucleoside Analog ◽  
Large Hospital ◽  
Visceral Involvement ◽  
The Impact

Purpose To study the impact of different potent combined antiretroviral treatment (cART) on the incidence of HIV-associated Kaposi's sarcoma (KS) with and without visceral involvement. Patients and Methods Patients were selected from the French Hospital Database on HIV, a large hospital cohort. The risk of KS was estimated by using Cox proportional hazards models adjusting for age, the CD4 cell nadir, the HIV exposure category, prior AIDS, cART, and the type of cART regimen. cART regimens were distinguished according to whether they contained protease inhibitor (PI), non-nucleoside analog (NNRTI), both, or only nucleoside analog (NRTI). Separate analyzes were conducted according to the initial visceral involvement of KS. Results Among the 54,999 patients included in this study (182,756 person-years of follow-up), 1,634 patients were diagnosed with KS during follow-up, of whom 421 had visceral involvement at diagnosis. The KS incidence rate fell from 32 per 1,000 person-years in 1993 to 1994 to 3 per 1,000 person-years after 1999. PI-containing and NNRTI-containing cART regimens were associated with similar reductions in the risk of KS (hazard ratio, 0.68; 95%CI, 0.61 to 0.75; HR, 0.62; 95% CI, 0.54 to 0.71, respectively). The risk of visceral KS fell more strongly than the risk of cutaneous KS (> 50% and < 30%, respectively). Conclusion The incidence of KS, and especially visceral KS, has fallen sharply since the advent of cART. This effect is likely due to immune restoration rather than to a specific effect on the tumoral process, as PI-containing and NNRTI-containing regimens had similar preventive efficacy.

The Efficacy of Etoposide-Based Therapy in Adult Secondary Hemophagocytic Lymphohistiocytosis

2021 ◽  
pp. 1-9
Author(s):  
Leonard Naymagon ◽  
Douglas Tremblay ◽  
John Mascarenhas
Keyword(s):  
Hemophagocytic Lymphohistiocytosis ◽  
Proportional Hazards ◽  
Multivariable Analysis ◽  
Cox Proportional Hazards ◽  
Rank Test ◽  
Kaplan Meier ◽  
Hazard Ratios ◽  
Significant Difference ◽  
The Impact

Data supporting the use of etoposide-based therapy in hemophagocytic lymphohistiocytosis (HLH) arise largely from pediatric studies. There is a lack of comparable data among adult patients with secondary HLH. We conducted a retrospective study to assess the impact of etoposide-based therapy on outcomes in adult secondary HLH. The primary outcome was overall survival. The log-rank test was used to compare Kaplan-Meier distributions of time-to-event outcomes. Multivariable Cox proportional hazards modeling was used to estimate adjusted hazard ratios (HRs) with 95% confidence intervals (CIs). Ninety adults with secondary HLH seen between January 1, 2009, and January 6, 2020, were included. Forty-two patients (47%) received etoposide-based therapy, while 48 (53%) received treatment only for their inciting proinflammatory condition. Thirty-three patients in the etoposide group (72%) and 32 in the no-etoposide group (67%) died during follow-up. Median survival in the etoposide and no-etoposide groups was 1.04 and 1.39 months, respectively. There was no significant difference in survival between the etoposide and no-etoposide groups (log-rank <i>p</i> = 0.4146). On multivariable analysis, there was no association between treatment with etoposide and survival (HR for death with etoposide = 1.067, 95% CI: 0.633–1.799, <i>p</i> = 0.8084). Use of etoposide-based therapy was not associated with improvement in outcomes in this large cohort of adult secondary HLH patients.

scholarly journals Failure to reach uric acid target of <0.36 mmol/L in hyperuricaemia of gout is associated with elevated total and cardiovascular mortality

RMD Open ◽  
2019 ◽  
Vol 5 (2) ◽  
pp. e001015 ◽  
Author(s):  
Fernando Pérez Ruiz ◽  
Pascal Richette ◽  
Austin G Stack ◽  
Ravichandra Karra Gurunath ◽  
Ma Jesus García de Yébenes ◽  
...  
Keyword(s):  
Uric Acid ◽  
Proportional Hazards ◽  
Cox Proportional Hazards ◽  
First Year ◽  
Cox Proportional Hazards Models ◽  
Crude Mortality ◽  
Risk Patients ◽  
The Impact ◽  
Related Mortality

ObjectiveTo determine the impact of achieving serum uric acid (sUA) of <0.36 mmol/L on overall and cardiovascular (CV) mortality in patients with gout.MethodsProspective cohort of patients with gout recruited from 1992 to 2017. Exposure was defined as the average sUA recorded during the first year of follow-up, dichotomised as ≤ or >0.36 mmol/L. Bivariate and multivariate Cox proportional hazards models were used to determine mortality risks, expressed HRs and 95% CIs.ResultsOf 1193 patients, 92% were men with a mean age of 60 years, 6.8 years’ disease duration, an average of three to four flares in the previous year, a mean sUA of 9.1 mg/dL at baseline and a mean follow-up 48 months; and 158 died. Crude mortality rates were significantly higher for an sUA of ≥0.36 mmol/L, 80.9 per 1000 patient-years (95% CI 59.4 to 110.3), than for an sUA of <0.36 mmol/L, 25.7 per 1000 patient-years (95% CI 21.3 to 30.9). After adjustment for age, sex, CV risk factors, previous CV events, observation period and baseline sUA concentration, an sUA of ≥0.36 mmol/L was associated with elevated overall mortality (HR=2.33, 95% CI 1.60 to 3.41) and CV mortality (HR=2.05, 95% CI 1.21 to 3.45).ConclusionsFailure to reach a target sUA level of 0.36 mmol/L in patients with hyperuricaemia of gout is an independent predictor of overall and CV-related mortality. Targeting sUA levels of <0.36 mmol/L should be a principal goal in these high-risk patients in order to reduce CV events and to extend patient survival.

scholarly journals P109 Impact of ethnicity on colorectal cancer incidence in a cohort of colitis-associated dysplasia patients

2021 ◽  
Vol 15 (Supplement_1) ◽  
pp. S201-S202
Author(s):  
M Kabir ◽  
K Curtius ◽  
P Kalia ◽  
I Al Bakir ◽  
C H R Choi ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Racial Differences ◽  
Proportional Hazards ◽  
Hazard Analysis ◽  
Cox Proportional Hazards ◽  
Time Interval ◽  
Low Grade ◽  
Kaplan Meier ◽  
The Impact

Abstract Background Racial disparities in inflammatory bowel disease (IBD) phenotypic presentations and outcomes are recognised. However, there are conflicting data from Western population-based cohort studies as to whether racial differences in colitis-associated colorectal cancer (CRC) incidence exists. To our knowledge this is the first study to investigate the impact of ethnicity on the natural history of dysplasia in ulcerative colitis (UC). Methods We performed a retrospective multi-centre cohort study of adult patients with UC whose first low-grade dysplasia (LGD) diagnosis within the extent of colitis was made between 1 January 2001 and 30 December 2018. Only patients with at least one follow-up colonoscopy or colectomy by 30 August 2019 were included. The study end point was time to CRC or end of follow-up. Statistical differences between groups were evaluated using Mann-Whitney U tests and Chi-squared tests. Survival analyses were performed using Kaplan-Meier estimation and multivariate Cox proportional hazards models. Results 408 patients met the inclusion criteria (see Figure 1 for patient and clinical demographics). More patients from a Black or Asian (BAME) background progressed to CRC [13.4% vs. 6.4%; p=0.036] compared to their White Caucasian counterparts, despite having surveillance follow-up. Figure 2 displays Kaplan-Meier curves demonstrating the probability of remaining CRC-free after LGD diagnosis and categorised by ethnicity. BAME patients were more likely to have moderate-severe inflammatory activity on colonic biopsy within the 5 preceding years [42.0% vs. 28.9%; p=0.023], but no significant differences in medication use and a longer median time interval from LGD diagnosis to colectomy date [32 months vs. 11 months; p=0.021]. After adjusting for sex, age and UC duration at time of LGD diagnosis and presence of moderate-severe histological inflammation, being Black or Asian was a predictive factor for CRC progression on multivariate Cox proportional hazard analysis [HR 2.97 (95% CI 1.22 – 7.20); p = 0.016]. However, ethnicity was no longer predictive of CRC progression on sub-analysis of the 317 patients who did not have a colectomy during the follow-up period. Conclusion In this UK multi-centre cohort of UC surveillance patients diagnosed with LGD, delays in receiving cancer preventative colectomy may contribute to an increased CRC incidence in certain ethnic groups. Further work is required to elucidate whether these delays are related to institutional factors (e.g. inequity in the content of decision-making support given or access to healthcare) or cultural factors.

Impact of anxiety and depression on progression to glaucoma among glaucoma suspects

2020 ◽  
pp. bjophthalmol-2020-316617
Author(s):  
Samuel Berchuck ◽  
Alessandro Jammal ◽  
Sayan Mukherjee ◽  
Tamara Somers ◽  
Felipe A Medeiros
Keyword(s):  
Proportional Hazards ◽  
Cox Proportional Hazards ◽  
Anxiety And Depression ◽  
Pressure Measurements ◽  
Health Records ◽  
Cox Proportional Hazards Models ◽  
History Of ◽  
The Impact ◽  
Over Time

AimsTo assess the impact of anxiety and depression in the risk of converting to glaucoma in a cohort of glaucoma suspects followed over time.MethodsThe study included a retrospective cohort of subjects with diagnosis of glaucoma suspect at baseline, extracted from the Duke Glaucoma Registry. The presence of anxiety and depression was defined based on electronic health records billing codes, medical history and problem list. Univariable and multivariable Cox proportional hazards models were used to obtain HRs for the risk of converting to glaucoma over time. Multivariable models were adjusted for age, gender, race, intraocular pressure measurements over time and disease severity at baseline.ResultsA total of 3259 glaucoma suspects followed for an average of 3.60 (2.05) years were included in our cohort, of which 911 (28%) were diagnosed with glaucoma during follow-up. Prevalence of anxiety and depression were 32% and 33%, respectively. Diagnoses of anxiety, or concomitant anxiety and depression were significantly associated with risk of converting to glaucoma over time, with adjusted HRs (95% CI) of 1.16 (1.01, 1.33) and 1.27 (1.07, 1.50), respectively.ConclusionA history of anxiety or both anxiety and depression in glaucoma suspects was associated with developing glaucoma during follow-up.

P6355The behavior of atrial fibrillation in patients with heart failure hospitalization

2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
M Fukunaga ◽  
K Hirose ◽  
A Isotani ◽  
T Morinaga ◽  
K Ando
Keyword(s):  
Heart Failure ◽  
Atrial Fibrillation ◽  
Cardiovascular Disease ◽  
Proportional Hazards ◽  
Proportional Hazards Model ◽  
Cox Proportional Hazards ◽  
Cox Proportional Hazards Model ◽  
Significant Difference ◽  
The Impact

Abstract Background Relationship between atrial fibrillation (AF) and heart failure (HF) is often compared with proverbial question of which came first, the chicken or the egg. Some patients showing AF at the HF admission result in restoration of sinus rhythm (SR) at discharge. It is not well elucidated that the restoration into SR during hospitalization can render the preventive effect for rehospitalization. Purpose To investigate the impact of restoration into SR during hospitalization for readmission rate of the HF patients showing AF. Methods We enrolled consecutive 640 HF patients hospitalized from January 2015 to December 2015. Patients data were retrospectively investigated from medical record. Patients showing atrial fibrillation on admission but unrecognized ever were defined as “incident AF”; patients with AF diagnosed before admission were defined as “prevalent AF”. Primary endpoint was a composite of death from cardiovascular disease or hospitalization for worsening heart failure. Secondary endpoints were death from cardiovascular disease, unplanned hospitalization related to heart failure, and any hospitalization. Results During mean follow up of 19 months, 139 patients (22%) were categorized as incident AF and 145 patients (23%) were categorized as prevalent AF. Among 239 patients showing AF on admission, 44 patients were discharged in SR (39 patients in incident AF and 5 patients in prevalent AF). Among incident AF patients, the primary composite end point occurred in significantly fewer in those who discharged in SR (19% vs. 42% at 1-year; 23% vs. 53% at 2-year follow-up, p=0.005). To compare the risk factors related to readmission due to HF with the cox proportional-hazards model, AF only during hospitalization [Hazard Ratio (HR)=0.37, p<0.01] and prevalent AF (HR=1.67, p=0.04) was significantly associated. There was no significant difference depending on LVEF. Conclusion Newly diagnosed AF with restoration to SR during hospitalization was a good marker to forecast future prognosis.

Improved survival for patients with AIDS-related Kaposi's sarcoma.

1994 ◽  
Vol 12 (9) ◽  
pp. 1910-1916 ◽  
Author(s):  
S A Miles ◽  
H Wang ◽  
R Elashoff ◽  
R T Mitsuyasu
Keyword(s):  
Prognostic Factors ◽  
Kaposi's Sarcoma ◽  
Proportional Hazards ◽  
Cox Regression ◽  
Cox Model ◽  
Medical Center ◽  
Kaposi’S Sarcoma ◽  
Cell Number ◽  
Cox Proportional Hazards ◽  
Cd4 Cell

PURPOSE We retrospectively analyzed all patients with AIDS-related Kaposi's sarcoma (AIDS-KS) seen at one large California medical center to delineate factors that may have contributed to a relative decline in survival. METHODS Potential prognostic factors were analyzed individually, using the Cox proportional hazards regression model, for their association with survival. After a stepwise Cox regression procedure was applied to those factors that showed a significant effect on survival, a subset of factors that best predicted survival was identified. We then quantified the effect of the year of diagnosis on survival using a univariate Cox model. Next, we combined the year of diagnosis with the subset of prognostic factors previously identified into the Cox model to examine survival after adjustment for the prognostic factors. Survival distribution was estimated by the Kaplan-Meier method, and the 95% confidence interval for the median survival was computed using the modified reflected method. RESULTS In 688 patients, we identified four baseline variables that best predicted survival: CD4 cell number, hematocrit, number of KS lesions, and body mass index (BMI). Adjusted for these predictive factors, there was a significant improvement in survival for patients with AIDS-KS over the last 6 years. CONCLUSION Contrary to prior reports, survival has increased for patients with AIDS-KS. The apparent increase in observed mortality is most likely due to a decline in the CD4 cell number at presentation.

Analysis of factors influencing outcome in patients with in transit malignant melanoma (MM) undergoing isolated limb perfusion (ILP) using standardized operative parameters with melphalan and biological agents

2006 ◽  
Vol 24 (18_suppl) ◽  
pp. 8006-8006
Author(s):  
P. A. Soriano ◽  
S. K. Libutti ◽  
J. F. Pingpank ◽  
T. Beresenev ◽  
S. M. Steinberg ◽  
...  
Keyword(s):  
Proportional Hazards ◽  
Cox Model ◽  
Univariate Analysis ◽  
Female Gender ◽  
Tumor Stage ◽  
Cox Proportional Hazards ◽  
Stage Iiia ◽  
In Transit ◽  
The Impact

8006 Background: In transit disease afflicts about 10% of MM patients and no single systemic or regional treatment has been widely accepted as most effective or appropriate. Previously, the impact of ILP on the natural history of MM patients has been difficult to gauge. We report long-term outcomes in MM patients undergoing hyperthermic ILP in an era of increasingly accurate staging, uniform operative and treatment conditions, and regular follow-up. Methods: Between 5/1992 to 2/2005, 90 patients (median age: 57 y [range: 24–84]; F: 49, M: 41) with Stage IIIA or IIIAB MM underwent a 90 min hyperthermic (mean calf T: 39.3° C) ILP (melphalan: 10–13 mg/L limb volume, TNF: 3–6 mg [n=44], or IFN: 200 μg [n=38]) using uniform operative technique including intra-operative leak monitoring. There was 1 operative mortality (1/91, 1.1%). Patients were prospectively followed for response, in-field progression free (PFS), and overall survival (OS). Parameters associated with in-field PFS and OS were analyzed by the Kaplan-Meier method with log rank tests, as well as by Cox proportional hazards models. Results: There were 61 complete responses (68%) and 23 partial responses (26%). At a median follow-up of 47 months, median in-field PFS was 12.4 months, and median OS was 47.4 months; 5 and 10-year actuarial OS were 43 and 34%, respectively. Female gender and low tumor burden (< 20 tumors) were associated with prolonged in-field PFS (M:F hazard ratio (HR): 2.07, CI:1.27–3.38; 21+ vs. ≤20 tumors HR: 2.29, CI: 1.21- 4.34; p<0.011 for both) in a Cox model, whereas TNF, IFN, perfusion pressure, and tumor stage were not. Female gender was associated with improved OS (p=0.027, M:F HR=1.82, 95% CI 1.07–3.09) and Stage IIIA marginally so, in univariate analysis, (p=0.065). Conclusions: ILP for MM patients is associated with noteworthy in-field PFS and prolonged OS. Neither use of TNF nor tumor stage were significantly associated with in-field PFS in Cox models, while female gender was associated with better outcomes. In appropriately selected patients using standardized technique, ILP has clinical benefit in this setting. No significant financial relationships to disclose.

scholarly journals Impact of Pre-Dialysis Care on Clinical Outcomes in Peritoneal Dialysis Patients

2016 ◽  
Vol 43 (2) ◽  
pp. 104-111 ◽  
Author(s):  
Dandara N. Spigolon ◽  
Thyago P. de Moraes ◽  
Ana E. Figueiredo ◽  
Ana Paula Modesto ◽  
Pasqual Barretti ◽  
...  
Keyword(s):  
Peritoneal Dialysis ◽  
Proportional Hazards ◽  
Patient Survival ◽  
Serum Levels ◽  
Cox Proportional Hazards ◽  
Care Group ◽  
Technique Survival ◽  
Cox Proportional Hazards Models ◽  
The Impact

Background: Structured pre-dialysis care is associated with an increase in peritoneal dialysis (PD) utilization, but not with peritonitis risk, technical and patient survival. This study aimed at analyzing the impact of pre-dialysis care on these outcomes. Methods: All incident patients starting PD between 2004 and 2011 in a Brazilian prospective cohort were included in this analysis. Patients were divided into 2 groups: early pre-dialysis care (90 days of follow-up by a nephrology team); and late pre-dialysis care (absent or less than 90 days follow-up). The socio-demographic, clinical and biochemical characteristics between the 2 groups were compared. Risk factors for the time to the first peritonitis episode, technique failure and mortality based on Cox proportional hazards models. Results: Four thousand one hundred seven patients were included. Patients with early pre-dialysis care presented differences in gender (female - 47.0 vs. 51.1%, p = 0.01); race (white - 63.8 vs. 71.7%, p < 0.01); education (<4 years - 61.9 vs. 71.0%, p < 0.01), respectively, compared to late care. Patients with early pre-dialysis care presented a higher prevalence of comorbidities, lower levels of creatinine, phosphorus, and glucose with a significantly better control of hemoglobin and potassium serum levels. There was no impact of pre-dialysis care on peritonitis rates (hazard ratio (HR) 0.88; 95% CI 0.77-1.01) and technique survival (HR 1.12; 95% CI 0.92-1.36). Patient survival (HR 1.20; 95% CI 1.03-1.41) was better in the early pre-dialysis care group. Conclusion: Earlier pre-dialysis care was associated with improved patient survival, but did not influence time to the first peritonitis nor technique survival in this national PD cohort.

P6360Prognostic value of polypharmacy in patients with heart failure

2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
R Fujita ◽  
K Takabayashi ◽  
K Iwatsu ◽  
K Matsumura ◽  
T Ikeda ◽  
...  
Keyword(s):  
Heart Failure ◽  
Hospital Readmission ◽  
Proportional Hazards ◽  
Cox Proportional Hazards ◽  
Medication Schedule ◽  
Significant Difference ◽  
Patients With Heart Failure ◽  
Clinical Background ◽  
The Impact

Abstract Background Polypharmacy creates an increased patient's burden by drug-drug interactions and poor adherence. However, there are very few studies available evaluating the association of polypharmacy with hospital readmission in patients with heart failure (HF). Purpose The aim of this study was to investigate the impact of polypharmacy on hospital readmission for HF. Methods We enrolled 1253 patients who were hospitalized with acute heart failure (AHF) or acute exacerbation of chronic heart failure in the Kitakawachi Clinical Background and Outcome of Heart Failure Registry (KICKOFF Registry) from April 2015 to July 2018 (age 78.1±11.5 years, male 51.4%). Our Registry is a prospective multicenter community-based cohort study of HF patients in Japan. The inclusion criteria for the registry was a diagnosis of HF during hospitalization according to the Framingham criteria, and there were no exclusion criteria. From data at discharge, we collected data on clinical characteristics, medication schedule, and social backgrounds. We defined polypharmacy as the use of seven or more medications. The primary end point was HF rehospitalization within 1 year after discharge. Cox proportional hazards regression analysis was used to describe the association between polypharmacy and 1-year HF rehospitalization, controlling for potential confounding factors. Results In this study, the prevalence of polypharmacy was 59.7% of all patients. Patients with polypharmacy were more likely to have comorbidities such as hypertension, dyslipidemia, diabetes, chronic kidney disease, coronary artery disease and dementia. They also had lower EF (50.9±0.64 vs 53.6±0.80, p<0.01), compared to patients without polypharmacy. There was no significant difference in age, gender and BMI, compared to patients without polypharmacy. During the follow-up period, a total of 278 patients (24.9%) were readmitted for HF. In Kaplan-Meier analyses, hospital readmission for HF during 1-year follow-up was significantly higher in patients with polypharmacy (p<0.01) (figure). After adjusting for gender, age, EF, and the other co-morbidities, polypharmacy was independently associated with higher risk of rehospitalization for HF (hazard ratio 1.28, 95% confidence interval, 1.07–1.52, p<0.01). Conclusion Polypharmacy is an independent predictor of hospital readmission for HF. Our study suggests the need for developing an effective strategy to choose the appropriate drugs in patients with HF. Acknowledgement/Funding Nakajima Steel Pipe

The Role of Metabolic Syndrome and its Components in Incident Fracture: A 15-Year Follow-Up Among the Iranian Population

2021 ◽  
Author(s):  
Atieh Amouzegar ◽  
Samaneh Asgari ◽  
Fereidoun Azizi ◽  
Amir Abbas Momenan ◽  
Mohammadreza Bozorgmanesh ◽  
...  
Keyword(s):  
Metabolic Syndrome ◽  
Proportional Hazards ◽  
Cox Proportional Hazards ◽  
Central Adiposity ◽  
Men And Women ◽  
Risk Of Fracture ◽  
Incident Fracture ◽  
Increased Risk ◽  
The Impact

Abstract Context The relationship between metabolic syndrome (MetS) and the risk of fracture is a matter of debate. Objective This work aimed to determine the impact of MetS and its components on the risk of hospitalized fractures, during a median follow-up of 15.9 years. Methods A total of 7,520 participants (4,068 women) 30 years or older entered the study. Multivariable Cox proportional hazards regression were applied for data analysis. Results The prevalence of MetS was 40.0% and 40.4% in men and women, respectively. During the follow-up, hospitalized fracture was observed in 305 cases (men = 152). The multivariable hazard ratio (HR) and 95% confidence interval (CI) of MetS for incident fracture for men and women was 0.72 (0.49-1.05, P = .08) and 1.38 (0.96-1.98, P = .08), respectively. In the fully adjusted model, high fasting plasma glucose (FPG) among men tended to be associated with a lower risk of fracture [0.67 (0.44-1.02, P = .06)]; among women, high waist circumference (WC) was associated with a greater risk [2.40 (1.55-3.73)]. Among the population 50 years and older in the pooled sample, MetS was not accompanied by the risk of fracture, but high WC was associated with a higher risk [1.58 (1.07-2.33)]. For incident hip/pelvic fracture, abdominal obesity—but not MetS per se—was also a strong and independent risk factor. Conclusion A significant sex difference in the association between MetS and its components with incident fracture was observed. Women with central adiposity were at increased risk of hospitalized fracture, whereas men with high FPG were at decreased risk.

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