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1.
J Intern Med ; 295(4): 532-543, 2024 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-38013625

RESUMEN

OBJECTIVES: The objective of this study is to better characterize the features and outcomes of a large population of patients with mixed connective tissue disease (MCTD). METHODS: We performed an observational retrospective multicenter cohort study in France. Patients who fulfilled at least one diagnostic criterion set for MCTD and none of the criteria for other differentiated CTD (dCTD) were included. RESULTS: Three hundred and thirty patients (88% females, median [interquartile range] age of 35 years [26-45]) were included. The diagnostic criteria of Sharp or Kasukawa were met by 97.3% and 93.3% of patients, respectively. None met other classification criteria without fulfilling Sharp or Kasukawa criteria. After a median follow-up of 8 (3-14) years, 149 (45.2%) patients achieved remission, 92 (27.9%) had interstitial lung disease, 25 (7.6%) had pulmonary hypertension, and 18 (5.6%) died. Eighty-five (25.8%) patients progressed to a dCTD, mainly systemic sclerosis (15.8%) or systemic lupus erythematosus (10.6%). Median duration between diagnosis and progression to a dCTD was 5 (2-11) years. The presence at MCTD diagnosis of an abnormal pattern on nailfold capillaroscopy (odds ratio [OR] = 2.44, 95% confidence interval [95%CI] [1.11-5.58]) and parotid swelling (OR = 3.86, 95%CI [1.31-11.4]) were statistically associated with progression to a dCTD. Patients who did not progress to a dCTD were more likely to achieve remission at the last follow-up (51.8% vs. 25.9%). CONCLUSIONS: This study shows that MCTD is a distinct entity that can be classified using either Kasukawa or Sharp criteria, and that only 25.8% of patients progress to a dCTD during follow-up.


Asunto(s)
Lupus Eritematoso Sistémico , Enfermedad Mixta del Tejido Conjuntivo , Femenino , Humanos , Adulto , Masculino , Enfermedad Mixta del Tejido Conjuntivo/complicaciones , Enfermedad Mixta del Tejido Conjuntivo/diagnóstico , Estudios Retrospectivos , Estudios de Cohortes , Lupus Eritematoso Sistémico/complicaciones , Pronóstico
2.
BMC Cancer ; 24(1): 468, 2024 Apr 15.
Artículo en Inglés | MEDLINE | ID: mdl-38622530

RESUMEN

PURPOSE: To assess the diagnostic performance of a panel of standard tumor markers (TMs) in patients hospitalized with significant involuntary weight loss (IWL) and elevated levels of inflammation biomarkers, and a combination of the TM panel and the finding of the computed tomography (CT) scan. METHODS: We conducted a retrospective study in the internal medicine department at Amiens-Picardie University Medical Center (Amiens, France) between January 1st, 2015, and November 1st, 2021. The inclusion criteria were age 18 or over, significant IWL (≥ 5 kg over 6 months), elevated inflammation biomarkers (e.g. C-reactive protein), and assay data on two or more standard TMs (carcinoembryonic antigen (CEA), carbohydrate antigen (CA) 19 - 9, CA 15 - 3, CA 125, neuron-specific enolase (NSE), alpha-fetoprotein (AFP), calcitonin, and prostate-specific antigen (PSA)). The result of each TM assay was interpreted qualitatively (as positive or negative), according to our central laboratory's usual thresholds. RESULTS: Cancer was diagnosed in 50 (37.0%) of the 135 patients included. Positivity for one or more TMs had a positive predictive value (PPV) of 0.55 [0.43-0.66], and a negative predictive value (NPV) of 0.84 [0.75-0.93] for cancer diagnosis. When combined with the presence of suspicious CT findings (e.g. a mass, enlarged lymph nodes and/or effusion), positivity for one or more TMs had a PPV of 0.92 [0.08-0.30]. In the absence of suspicious CT findings, a fully negative TM panel had an NPV of 0.96 [0.89-1.00]. CONCLUSION: A negative TM panel argues against the presence of a cancer, especially in the absence of suspicious CT findings.


Asunto(s)
Biomarcadores de Tumor , Neoplasias , Masculino , Humanos , Adolescente , Estudios Retrospectivos , Pacientes Internos , Antígeno Carcinoembrionario , Neoplasias/diagnóstico , Antígeno Ca-125 , Antígeno CA-19-9 , Mucina-1 , Pérdida de Peso , Inflamación
3.
BJOG ; 2024 Jun 26.
Artículo en Inglés | MEDLINE | ID: mdl-38926786

RESUMEN

BACKGROUND: Vascular Ehlers-Danlos syndrome (vEDS) is a hereditary connective tissue disorder associated with an elevated risk of vascular, uterine and digestive complications. Managing pregnancy in this context can be a challenge. OBJECTIVES: To systematically review the literature data on the complications in pregnancy associated with vEDS. SEARCH STRATEGY: We searched the Pubmed Medline and Embase databases for articles using the following terms "vascular Ehlers-Danlos syndrome" or "vEDS" AND "pregnancy". SELECTION CRITERIA: Women with vEDS. DATA COLLECTION AND ANALYSIS: We searched the PubMed® MEDLINE® database for publications evaluating obstetric outcomes in women with vEDS. MAIN RESULTS: A total of 121 publications were screened, with six (accounting for 412 pregnancies) included in our review. Of the women included in this sample, 30% were infertile. The miscarriage rate was 13.8% (57/412) and 8.8% of the live births were premature. Obstetric anal sphincter injuries occurred in 11.3% (23/203) of the deliveries. The maternal mortality rate per pregnancy was 5.7%. CONCLUSIONS: Women with vEDS present an elevated risk of uterine rupture, vascular events, digestive events and death during pregnancy. Women appear to be most at risk during the peripartum period; to avoid expulsive efforts, a caesarean section should be scheduled at 37 weeks of gestation.

4.
Rheumatology (Oxford) ; 62(12): 3932-3939, 2023 12 01.
Artículo en Inglés | MEDLINE | ID: mdl-37010495

RESUMEN

OBJECTIVE: Among specific autoantibodies in DM, the anti-small ubiquitin-like modifier activating enzyme (SAE) antibody is rare. We aim to describe the clinical characteristics, cancer prevalence, and muscle pathology of anti-SAE-positive DM. METHODS: Patients with a diagnosis of DM and sera positive for the anti-SAE antibody were recruited from 19 centres in this retrospective observational study. The available muscular biopsies were reviewed. We conducted a comparison with anti-SAE-negative DM and a review of the literature. RESULTS: Of the patients in the study (n = 49), 84% were women. Skin involvement was typical in 96% of patients, with 10% having calcinosis, 18% ulceration and 12% necrosis; 35% presented with a widespread skin rash. Muscular disease affected 84% of patients, with mild weakness [Medical Research Council (MRC) scale 4 (3, 5)], although 39% of patients had dysphagia. Muscular biopsies showed typical DM lesions. Interstitial lung disease was found in 21% of patients, mainly with organizing pneumonia pattern, and 26% of patients showed dyspnoea. Cancer-associated myositis was diagnosed in 16% of patients and was responsible for the majority of deaths, its prevalence being five times that of the general population. IVIG therapy was administered to 51% of the patients during the course of the disease. Comparison with anti-SAE-negative DM (n = 85) showed less and milder muscle weakness (P = 0.02 and P = 0.006, respectively), lower creatinine kinase levels (P < 0.0001) and less dyspnoea (P = 0.003). CONCLUSION: Anti-SAE positive DM is a rare subgroup associated with typical skin features but a potentially diffuse rash, a mild myopathy. Interstitial lung disease defines an organizing pneumonia pattern. Cancer associated DM prevalence is five times that of the general population. TRIAL REGISTRATION: ClinicalTrials.gov, http://clinicaltrials.gov, NCT04637672.


Asunto(s)
Dermatomiositis , Exantema , Enfermedades Pulmonares Intersticiales , Miositis , Neoplasias , Humanos , Femenino , Masculino , Autoanticuerpos , Dermatomiositis/complicaciones , Miositis/diagnóstico , Exantema/epidemiología , Neoplasias/epidemiología , Neoplasias/complicaciones , Enzimas Activadoras de Ubiquitina , Enfermedades Pulmonares Intersticiales/epidemiología , Enfermedades Pulmonares Intersticiales/complicaciones , Disnea , Estudios Observacionales como Asunto
5.
Adv Physiol Educ ; 47(4): 919-929, 2023 Dec 01.
Artículo en Inglés | MEDLINE | ID: mdl-37823189

RESUMEN

Biomedical graduate students receive intensive training in their scientific area of interest yet need additional skills for successful scientific careers. Our aim was to promote team building, improve collaborations and enhance communication skills. An off-site yearly retreat was organized for the graduate students in our NIH-funded Research Initiative for Scientific Enhancement (RISE) graduate training program. Retreat themes were addressed through short presentations, case studies, live podcasts, webinars, focus groups, role-play, and breakout sessions with various team building exercises to practice communication skills and identify abilities, knowledge, values, and behaviors. Trainees gave short presentations and served as discussion leaders on topics related to the central theme. Expert guest speakers participated in discussion sessions with the trainees. Trainees evaluated the retreats at the end. A total of 48 trainees, 12 RISE Program faculty and staff, and 26 external speakers from industry, academia, media/journalism, the arts, psychology, and holistic medical fields participated over 9 years. The overall average benefit of the in-person retreats was rated 4.80 on a Likert scale of 1-5 by trainees. Trainees particularly enjoyed the informal interactions with program faculty, staff, and fellow trainees. They appreciated the opportunity to learn soft skills, such as interpersonal communication, conflict resolution, and leadership. Two additional retreats conducted virtually because of the COVID-19 pandemic were perceived as less beneficial. We conclude that off-site interactive retreats are a valuable tool for enhancing soft skills and a sense of team identity in a biomedical sciences graduate program, while covering important issues related to scientific careers.NEW & NOTEWORTHY Off-site interactive science-related retreats are a valuable tool for enhancing soft skills and sense of team identity in a biomedical sciences graduate program, while covering important issues related to pursuing a career in science. There are many perceived benefits, so we encourage other training programs to include a similar type of regular activity in students' training with the goal of improving trainee well-being and supporting their academic and research productivity.


Asunto(s)
Docentes , Pandemias , Humanos , Educación de Postgrado en Medicina , Estudiantes , Comunicación
6.
Clin Exp Rheumatol ; 40(7): 1336-1342, 2022 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-35579092

RESUMEN

OBJECTIVES: Myelodysplastic syndromes (MDS) and chronic myelomonocytic leukaemia (CMML) are associated with systemic inflammatory and autoimmune diseases (SIADs) in 10-30% of cases. The aims of this study were (i) to evaluate the prevalence of venous thromboembolism VTE in patients presenting with both MDS/CMML and SIADs, (ii) to describe risk factors associated with thrombosis, and (iii) to analyse the impact of VTE on overall survival and transformation to acute myeloid leukaemia in comparison to patients with MDS/CMML-associated SIADs without VTE. METHODS: This retrospective multicentre case-control study was conducted among patients with MDS/CMML and dysimmune disorders and featured in the French retrospective database of the French Network of Dysimmune Disorders Associated with Hemopathies (MINHEMON), diagnosed with MDS/CMML and dysimmune disorders. RESULTS: During a median follow-up of 16 months (5-48) VTE occurred in 35 patients (21.6 %) whereas 127 patients did not. Among those with VTE, 8 patients (22.9%) experienced two or more VTE. Common prothrombotic risk factors were not significantly different in patients with or without VTE. CMML was more frequent in patients without VTE (37 % vs. 14.3%, p=0.01), whereas myelodysplasic/myeloproliferative neoplasm (MDS/MPN) was higher in VTE patients (20 % vs. 5.5 %, p=0.01). In a multivariate analysis, only MDS/CMML progression at the time of VTE (odds ratio 28.82, 95 % CI (5.52-530.70) was significantly associated with VTE. When treated with an anticoagulation therapy, bleeding occurred in 19.4% of cases (6/31). Overall survival was not significantly different between patients with and without VTE (p=0.68). Leukaemia-free survival between groups was not significantly different (p=0.83). CONCLUSIONS: VTE is a common complication in MDS/CMML-associated SIADSs with an increased risk of bleeding when treated by anticoagulants. In the MDS/CMML subgroup, SIADS flares and MDS/CMML progression seem to be prothrombotic risk factors.


Asunto(s)
Enfermedades Autoinmunes , Leucemia Mielomonocítica Crónica , Síndromes Mielodisplásicos , Tromboembolia Venosa , Enfermedades Autoinmunes/complicaciones , Enfermedades Autoinmunes/epidemiología , Estudios de Casos y Controles , Humanos , Leucemia Mielomonocítica Crónica/complicaciones , Leucemia Mielomonocítica Crónica/epidemiología , Síndromes Mielodisplásicos/complicaciones , Síndromes Mielodisplásicos/epidemiología , Estudios Retrospectivos , Tromboembolia Venosa/diagnóstico , Tromboembolia Venosa/epidemiología , Tromboembolia Venosa/etiología
7.
J Autoimmun ; 116: 102541, 2021 01.
Artículo en Inglés | MEDLINE | ID: mdl-32943282

RESUMEN

OBJECTIVE: Adult-onset Still's disease (AOSD) is a rare inflammatory disease that may be life-threatening if complicated by cardiac problems. We performed a retrospective multicenter study to describe the manifestations, treatments and outcomes of cardiac involvement in AOSD. METHODS: We reviewed the medical databases of eight centers. All AOSD patients identified as fulfilling Yamagushi's or Fautrel's criteria were included in the study. Cardiac involvement, clinical manifestations, laboratory features, the course of the disease and treatments were evaluated. RESULTS: We included 96 AOSD patients in this study: 28 (29%) had documented cardiac involvement (AOSD + C group) and 68 (71%) had no cardiac involvement (control group). Cardiac complications were observed at diagnosis in 89% of cases. It were pericarditis (n = 17), tamponade (n = 5), myocarditis (n = 5) and non-infectious endocarditis (n = 1). Levels of leukocytes, neutrophils and C-reactive protein were significantly higher (p = 0.02, p = 0.02 and p = 0.002, respectively in the AOSD + C group than in the control group. Admission to intensive care, and the use of biotherapy were more frequent during follow-up in the AOSD + C group than the control group (p = 0.0001 and p = 0.03 respectively). Cardiac involvement was associated with refractory form in multivariate analyzed (p = 0.01). Corticosteroids were effective with or without methotrexate in 71% of patients but not in severe involvement as myocarditis or tamponade. CONCLUSION: Cardiac complications are frequent, inaugural, can be life-threatening and predictive of a refractory course in patients with AOSD. Systematic cardiac screening should be proposed at diagnosis and biotherapy early use should be considered especially in myocarditis.


Asunto(s)
Corticoesteroides/uso terapéutico , Antiinflamatorios no Esteroideos/uso terapéutico , Proteína Antagonista del Receptor de Interleucina 1/uso terapéutico , Metotrexato/uso terapéutico , Miocardio/patología , Enfermedad de Still del Adulto/tratamiento farmacológico , Adulto , Antirreumáticos/uso terapéutico , Femenino , Humanos , Unidades de Cuidados Intensivos/estadística & datos numéricos , Masculino , Persona de Mediana Edad , Análisis Multivariante , Estudios Retrospectivos , Enfermedad de Still del Adulto/diagnóstico , Resultado del Tratamiento , Adulto Joven
8.
Emerg Infect Dis ; 25(10)2019 10.
Artículo en Inglés | MEDLINE | ID: mdl-31538930

RESUMEN

We conducted a retrospective study on all cases of pneumococcal septic arthritis (SA) in patients >18 years of age reported to the Picardie Regional Pneumococcal Network in France during 2005-2016. Among 1,062 cases of invasive pneumococcal disease, we observed 16 (1.5%) SA cases. Although SA is uncommon in adult patients, the prevalence of pneumococcal SA in the Picardie region increased from 0.69% during 2005-2010 to 2.47% during 2011-2016 after introduction of the pneumococcal 13-valent conjugate vaccine. We highlight the emergence of SA cases caused by the 23B serotype, which is not covered in the vaccine.


Asunto(s)
Artritis Infecciosa/epidemiología , Infecciones Neumocócicas/epidemiología , Adulto , Anciano , Anciano de 80 o más Años , Artritis Infecciosa/etiología , Artritis Infecciosa/microbiología , Femenino , Francia/epidemiología , Humanos , Masculino , Persona de Mediana Edad , Infecciones Neumocócicas/complicaciones , Infecciones Neumocócicas/microbiología , Vacunas Neumococicas/uso terapéutico , Prevalencia , Estudios Retrospectivos
9.
Lancet ; 390(10097): 898-912, 2017 Aug 26.
Artículo en Inglés | MEDLINE | ID: mdl-28684024

RESUMEN

Germany has become a visible actor in global health in the past 10 years. In this Series paper, we describe how this development complements a broad change in perspective in German foreign policy. Catalysts for this shift have been strong governmental leadership, opportunities through G7 and G20 presidencies, and Germany's involvement in managing the Ebola virus disease outbreak. German global health engagement has four main characteristics that are congruent with the health agenda of the Sustainable Development Goals; it is rooted in human rights, multilateralism, the Bismarck model of social protection, and a link between development and investment on the basis of its own development trajectory after World War 2. The combination of momentum and specific characteristics makes Germany well equipped to become a leader in global health, yet the country needs to accept additional financial responsibility for global health, expand its domestic global health competencies, reduce fragmentation of global health policy making, and solve major incoherencies in its policies both nationally and internationally.


Asunto(s)
Salud Global/tendencias , Política de Salud , Liderazgo , Política , Política Pública/tendencias , Alemania , Gobierno , Humanos , Cooperación Internacional
10.
Transgenic Res ; 27(4): 331-342, 2018 08.
Artículo en Inglés | MEDLINE | ID: mdl-29777501

RESUMEN

Genetically modified (GM) crops undergo large scale multi-location field trials to characterize agronomics, composition, and the concentration of newly expressed protein(s) [herein referred to as transgenic protein(s)]. The concentration of transgenic proteins in different plant tissues and across the developmental stages of the plant is considered in the safety assessment of GM crops. Reference or housekeeping proteins are expected to maintain a relatively stable expression pattern in healthy plants given their role in cellular functions. Understanding the effects of genotype, growth stage and location on the concentration of endogenous housekeeping proteins may provide insight into the contribution these factors could have on transgenic protein concentrations in GM crops. The concentrations of three endogenous proteins (actin, elongation factor 1-alpha, and glyceraldehyde 3-phosphate dehydrogenase) were measured in several different maize hybrids grown across multiple field locations over 2 years. Leaf samples were collected from healthy plants at three developmental stages across the growing seasons, and protein concentrations were quantified by indirect enzyme-linked immunosorbent assay (ELISA) for each protein. In general, the concentrations of these three endogenous proteins were relatively consistent across hybrid backgrounds, when compared within one growth stage and location (2-26%CV), whereas the concentrations of proteins in the same hybrid and growth stage across different locations were more variable (12-64%CV). In general, the protein concentrations in 2013 and 2014 show similar trends in variability. Some degree of variability in protein concentrations should be expected for both transgenic and endogenous plant-expressed proteins. In the case of GM crops, the potential variation in protein concentrations due to location effects is captured in the current model of multi-location field testing.


Asunto(s)
Productos Agrícolas/genética , Proteínas de Plantas/genética , Plantas Modificadas Genéticamente/genética , Zea mays/genética , Actinas/genética , Productos Agrícolas/crecimiento & desarrollo , Alimentos Modificados Genéticamente , Gliceraldehído 3-Fosfato Deshidrogenasa (NADP+)/genética , India , Factor 1 de Elongación Peptídica/genética , Plantas Modificadas Genéticamente/crecimiento & desarrollo , Zea mays/crecimiento & desarrollo
11.
Clin Exp Rheumatol ; 36 Suppl 111(2): 46-50, 2018.
Artículo en Inglés | MEDLINE | ID: mdl-28628465

RESUMEN

OBJECTIVES: To evaluate cardiopulmonary (CP) involvement in patients with Takayasu's arteritis (TAK) and assess the impact on disease outcomes. METHODS: A retrospective cohort of patients with newly diagnosed TAK from 1984 to 2009 was assembled. Demographics, baseline disease characteristics, relapse events, surgeries and mortality were abstracted from direct medical record review. Angiograms, advanced imaging and cardiac studies were reviewed for evidence of CP involvement. Cox models with time-dependent covariates were used to assess the association between CP involvement and outcomes. RESULTS: A total of 124 patients with TAK were identified. Forty-five (36%) patients had at least one objective CP abnormality observed within 6 months of TAK diagnosis. Age at diagnosis was higher in those with CP involvement than those without (34.6 vs 30.1 yrs; p=0.04). Baseline characteristics and symptoms were similar, except shortness of breath, which was more frequently observed at TAK diagnosis in patients with CP involvement compared to those without (53% vs 21%; p=0.001). Composite CP involvement was not associated with risk of first surgery [Hazard ratio (95% CI): 1.21 (0.64-2.30); p=0.56]. However, pulmonary hypertension (PH) on echocardiogram was significantly associated with risk of first surgery [HR (95% CI): 12.9 (1.86- 89.14); p=0.01]. CP involvement was not significantly associated with mortality [HR (95% CI): 2.51 (0.45- 14.02); p=0.29]. CONCLUSIONS: Cardiopulmonary abnormalities in TAK are common at the time of initial presentation. In this population, the presence of PH predicted a 13-fold increased risk for vascular or valvular surgery. In this cohort, the presence of CP involvement did not increase mortality.


Asunto(s)
Enfermedad de la Arteria Coronaria/diagnóstico por imagen , Vasos Coronarios/diagnóstico por imagen , Hipertensión Pulmonar/diagnóstico por imagen , Arteria Pulmonar/diagnóstico por imagen , Arteritis de Takayasu/diagnóstico por imagen , Adulto , Angiografía , Arteritis/diagnóstico por imagen , Técnicas de Imagen Cardíaca , Estudios de Cohortes , Angiografía Coronaria , Enfermedad de la Arteria Coronaria/etiología , Enfermedad de la Arteria Coronaria/fisiopatología , Vasos Coronarios/fisiopatología , Ecocardiografía , Electrocardiografía , Femenino , Humanos , Hipertensión Pulmonar/etiología , Hipertensión Pulmonar/fisiopatología , Masculino , Persona de Mediana Edad , Modelos de Riesgos Proporcionales , Arteria Pulmonar/fisiopatología , Cintigrafía , Estudios Retrospectivos , Arteritis de Takayasu/complicaciones , Arteritis de Takayasu/fisiopatología , Adulto Joven
12.
Rheumatology (Oxford) ; 56(11): 1939-1944, 2017 11 01.
Artículo en Inglés | MEDLINE | ID: mdl-28968808

RESUMEN

Objectives: The prevalence of atherosclerotic risk factors and disease in Takayasu's arteritis (TAK) has not been well defined. We aimed to assess the frequency of cardiovascular (CV) risk factors and the incidence of CV events (CVEs) in patients with TAK from two ethnically different populations. Methods: Patients with TAK followed at Mayo Clinic, Rochester, MN, USA and Marmara University, Istanbul, Turkey were included in this retrospective study. Patients with TAK were compared with age-, sex- and calendar year-matched controls from the same geographical region without TAK. The 2008 Framingham 10-year general CV risk score (FRS) was used for the evaluation of CV risk at the time of TAK incidence/index date. Results: In total, 191 patients with TAK and 191 non-TAK controls were included. Hypertension and the prevalence of lipid-lowering treatments were significantly more frequent in TAK. Prior to the incidence/index date, occurrence of CVE was significantly higher in TAK. The FRS was significantly higher in TAK compared with non-TAK at incidence/index date. The cumulative incidence of CVE was 15.4% at 10 years in TAK vs 5.8% in non-TAK; the risk of CVE was increased among patients with TAK (hazard ratio = 4.36; 95% CI: 1.25, 15.13). Conclusion: CV risk factors are more common in patients with TAK, particularly hypertension. The FRS is higher in patients with TAK at the time of diagnosis. The cumulative incidence of CVE was also significantly higher during follow-up in TAK. Our results suggest that patients with TAK should undergo careful assessment of CV risk factors, and an aggressive risk modification approach is warranted.


Asunto(s)
Enfermedades Cardiovasculares/epidemiología , Diabetes Mellitus/epidemiología , Dislipidemias/epidemiología , Obesidad/epidemiología , Fumar/epidemiología , Arteritis de Takayasu/epidemiología , Adulto , Índice de Masa Corporal , Estudios de Casos y Controles , Estudios de Cohortes , Dislipidemias/tratamiento farmacológico , Femenino , Humanos , Hipertensión/epidemiología , Hipolipemiantes/uso terapéutico , Fallo Renal Crónico/epidemiología , Masculino , Persona de Mediana Edad , Prevalencia , Estudios Retrospectivos , Factores de Riesgo , Turquía/epidemiología , Estados Unidos/epidemiología , Adulto Joven
16.
Mayo Clin Proc Innov Qual Outcomes ; 7(3): 178-186, 2023 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-37206378

RESUMEN

Objective: To evaluate the usefulness of positron emission tomography (PET) coupled with computed tomography (CT) in the diagnostic workup for inflammatory syndrome of undetermined origin (IUO) and to determine the diagnostic delay in an internal medicine department. Patients and methods: We retrospectively studied a cohort of patients for whom a PET/CT scan had been prescribed in an indication of IUO in an internal medicine department (Amiens University Medical Center, Amiens, France) between October 2004 and April 2017. The patients were grouped according to the PET/CT findings: very useful (enabling an immediate diagnosis), useful, not useful, and misleading. Results: We analyzed 144 patients. The median (interquartile range) age was 67.7 years (55.8-75.8 years). The final diagnosis was an infectious disease in 19 patients (13.2%), cancer in 23 (16%), inflammatory disease in 48 (33%), and miscellaneous diseases in 12 (8.3%). No diagnosis was made in 29.2% of the cases; half of the remaining had a spontaneously favorable outcome. Fever was observed in 63 patients (43%). Positron emission tomography coupled with CT was determined to be very useful in 19 patients (13.2%), useful in 37 (25.7%), not useful in 63 (43.7%), and misleading in 25 (17.4%). The median diagnostic delay (ie, the time interval between the first admission and a confirmed diagnosis) was significantly shorter in the useful (71 days [38-170 days]) and very useful (55 days [13-79 days]) groups than that in the not useful group (175 days [51-390 days]; P<.001). The median time interval between the PET/CT scan and the diagnosis was twice as long in the not useful group than that in the pooled misleading, useful, or very useful groups (P=.03). In a univariate analysis, the poor overall condition (P=.007) and the absence of fever (P=.005) were predictive of usefulness of PET/CT. Conclusion: Positron emission tomography coupled with CT seems to be useful in the diagnosis of IUO and might shorten the diagnostic delay.

17.
JACC Cardiovasc Imaging ; 16(8): 1085-1095, 2023 08.
Artículo en Inglés | MEDLINE | ID: mdl-37227330

RESUMEN

BACKGROUND: Cardiac uptake on technetium-99m whole-body scintigraphy (WBS) is almost pathognomonic of transthyretin cardiac amyloidosis. The rare false positives are often related to light-chain cardiac amyloidosis. However, this scintigraphic feature remains largely unknown, leading to misdiagnosis despite characteristic images. A retrospective review of all WBSs in a hospital database to detect those with cardiac uptake may allow the identification of undiagnosed patients. OBJECTIVES: The authors sought to develop and validate a deep learning-based model that automatically detects significant cardiac uptake (Perugini grade ≥2) on WBS from large hospital databases in order to retrieve patients at risk of cardiac amyloidosis. METHODS: The model is based on a convolutional neural network with image-level labels. The performance evaluation was performed with C-statistics using a 5-fold cross-validation scheme stratified so that the proportion of positive and negative WBSs remained constant across folds and using an external validation data set. RESULTS: The training data set consisted of 3,048 images: 281 positives (Perugini grade ≥2) and 2,767 negatives. The external validation data set consisted of 1,633 images: 102 positives and 1,531 negatives. The performance of the 5-fold cross-validation and external validation was as follows: 98.9% (± 1.0) and 96.1% for sensitivity, 99.5% (± 0.4) and 99.5% for specificity, and 0.999 (SD = 0.000) and 0.999 for the area under the curve of the receiver-operating characteristic curves. Sex, age <90 years, body mass index, injection-acquisition delay, radionuclides, and the indication of WBS only slightly affected performances. CONCLUSIONS: The authors' detection model is effective at identifying patients with cardiac uptake Perugini grade ≥2 on WBS and may help in the diagnosis of patients with cardiac amyloidosis.


Asunto(s)
Amiloidosis , Cardiomiopatías , Aprendizaje Profundo , Humanos , Anciano de 80 o más Años , Valor Predictivo de las Pruebas , Amiloidosis/diagnóstico por imagen , Corazón , Cintigrafía , Cardiomiopatías/diagnóstico por imagen
18.
New Phytol ; 194(3): 823-835, 2012 May.
Artículo en Inglés | MEDLINE | ID: mdl-22394027

RESUMEN

• Aroma variability in truffles has been attributed to maturation (Tuber borchii), linked to environmental factors (Tuber magnatum), but the involvement of genetic factors has been ignored. We investigated aroma variability in Tuber uncinatum, a species with wide distribution. Our aim was to assess aroma variability at different spatial scales (i.e. trees, countries) and to quantify how aroma was affected by genotype, fruiting body maturity, and geographical origin. • A volatile fingerprinting method was used to analyze the aroma of 223 T. uncinatum fruiting bodies from seven European countries. Maturity was estimated from spore melanization. Genotypic fingerprinting was performed by amplified fragment length polymorphism (AFLP). • Discriminant analysis revealed that, regardless of the geographical origin of the truffles, most of the aroma variability was caused by eight-carbon-containing volatiles (C8-VOCs). In an orchard of T. uncinatum, truffles producing different concentrations of C8-VOCs clustered around distinct host trees. This clustering was not associated with maturity, but was associated with fungal genotype. • These results indicate that the variation in C8-VOCs in truffles is most likely under genetic control. They exemplify that understanding the factors behind aroma variability requires a holistic approach. Furthermore, they also raise new questions regarding the ecological role of 1-octen-3-ol in truffles.


Asunto(s)
Ascomicetos/genética , Variación Genética , Compuestos Orgánicos Volátiles/metabolismo , Análisis del Polimorfismo de Longitud de Fragmentos Amplificados , Ascomicetos/química , Ascomicetos/crecimiento & desarrollo , ADN de Hongos/genética , Europa (Continente) , Cuerpos Fructíferos de los Hongos/química , Cuerpos Fructíferos de los Hongos/genética , Cuerpos Fructíferos de los Hongos/crecimiento & desarrollo , Genotipo , Geografía , Micelio/química , Micelio/genética , Micelio/crecimiento & desarrollo , Octanoles/metabolismo , Especificidad de la Especie , Compuestos Orgánicos Volátiles/análisis
19.
Int J Infect Dis ; 116: 197-203, 2022 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-35063680

RESUMEN

BACKGROUND: Pasteurella spp. can lead to fatal infections in humans. OBJECTIVE: To assess prognostic factors of invasive pasteurellosis. METHODS: We conducted a single retrospective cohort study of local versus invasive Pasteurella infections from January 1, 2005, to December 31, 2018, in the Amiens-Picardie University Hospital, France. RESULTS: Forty-five (20.9%) invasive pasteurellosis and 22 (10.2%) complicated local infections were reported among a total of 215 Pasteurella infections. The mortality rate among invasive infections was 22.2% (10/ 45) whereas no death was recorded in local infections group. Non-drug-induced prothrombin time test <70% of standard and platelet counts <100,000/mm3 were more frequent in non-survivors than in survivors (p=0.005 and p=0.019) in univariate analyses. A history of neoplasia (adjusted OR=13.62, p=0.020), an evidence of bacteremia (adjusted OR=20.68, p=0.025), and hemoglobin level <10 g/dL (adjusted OR=17.80, p=0.028) were identified as poor prognostic factors in multivariate analyses. CONCLUSION: Invasive pasteurellosis appears as a serious disease in vulnerable patients, particularly if bacteremia and/or coagulopathies occur.


Asunto(s)
Bacteriemia , Infecciones por Pasteurella , Bacteriemia/complicaciones , Bacteriemia/diagnóstico , Bacteriemia/epidemiología , Humanos , Pasteurella , Infecciones por Pasteurella/complicaciones , Infecciones por Pasteurella/diagnóstico , Infecciones por Pasteurella/epidemiología , Pronóstico , Estudios Retrospectivos
20.
Fundam Clin Pharmacol ; 36(1): 199-209, 2022 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-33973280

RESUMEN

BACKGROUND: To determine whether the use of disease-modifying antirheumatic drugs (DMARDs) is linked to the risk of COVID-19 among patients with inflammatory rheumatic diseases (IRDs). METHODS: We performed a disproportionality analysis of the World Health Organization pharmacovigilance database between January 1, 2020, and June 10, 2020. The frequency of COVID-19 reports for all DMARD classes identified was compared with that for all other reports for all other drugs and quoted as the reporting odds ratio (ROR) (95% confidence interval [CI]). RESULTS: Among 980,446 individual case-safety reports voluntarily recorded in the database, 398 identified COVID-19 in DMARD-treated patients with IRDs. There were 177 (44.5%) patients with rheumatoid arthritis (RA), 120 (30.1%) with ankylosing spondylitis (AS), 93 (23.4%) with psoriatic arthritis (PsA), and 8 (2.0%) with juvenile idiopathic arthritis. Most of the cases of COVID-19 occurred in patients taking anti-TNF agents (84.2%), resulting in a significant disproportionality signal (ROR [95% CI]: 8.31 [7.48-9.23]) - particularly in patients with RA, AS or PsA. A significant inverse disproportionality was found for the anti-IL-6 agent tocilizumab (ROR [95% CI]: 0.12 [0.02-0.88]) and JAK inhibitors (ROR [95% CI]: 0.33 [0.19-0.58]) in patients with RA - suggesting that these two drug classes are safer in the context of RA. CONCLUSION: Our results are in line with the literature on a potentially better safety profile for anti-IL-6 agents and JAK inhibitors. The WHO pharmacovigilance data suggest that COVID-19 is significantly more frequent in patients with IRDs treated with TNF inhibitors.


Asunto(s)
Antirreumáticos , Artritis Reumatoide , COVID-19 , Antirreumáticos/efectos adversos , Artritis Reumatoide/diagnóstico , Artritis Reumatoide/tratamiento farmacológico , Artritis Reumatoide/epidemiología , Humanos , Farmacovigilancia , SARS-CoV-2 , Inhibidores del Factor de Necrosis Tumoral , Organización Mundial de la Salud
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