Paris Descartes University

About: Paris Descartes University is a government organization based out in Paris, France. It is known for research contribution in the topics: Population & Immune system. The organization has 20987 authors who have published 37456 publications receiving 1206222 citations. The organization is also known as: Université Paris V-Descartes & Université de Paris V.

A systematic review of the associations between empathy measures and patient outcomes in cancer care.

Abstract: Objective Despite a call for empathy in medical settings, little is known about the effects of the empathy of health care professionals on patient outcomes. This review investigates the links between physicians' or nurses' empathy and patient outcomes in oncology. Method With the use of multiple databases, a systematic search was performed using a combination of terms and subject headings of empathy or perspective taking or clinician–patient communication, oncology or end-of-life setting and physicians or nurses. Among the 394 hits returned, 39 studies met the inclusion criteria of a quantitative measure of empathy or empathy-related constructs linked to patient outcomes. Results Empathy was mainly evaluated using patient self-reports and verbal interaction coding. Investigated outcomes were mainly proximal patient satisfaction and psychological adjustment. Clinicians' empathy was related to higher patient satisfaction and lower distress in retrospective studies and when the measure was patient-reported. Coding systems yielded divergent conclusions. Empathy was not related to patient empowerment (e.g. medical knowledge, coping). Conclusion Overall, clinicians' empathy has beneficial effects according to patient perceptions. However, in order to disentangle components of the benefits of empathy and provide professionals with concrete advice, future research should apply different empathy assessment approaches simultaneously, including a perspective-taking task on patients' expectations and needs at precise moments. Indeed, clinicians' understanding of patients' perspectives is the core component of medical empathy, but it is often assessed only from the patient's point of view. Clinicians' evaluations of patients' perspectives should be studied and compared with patients' reports so that problematic gaps between the two perspectives can be addressed. Copyright © 2012 John Wiley & Sons, Ltd.

Mice transgenic for the human myotonic dystrophy region with expanded CTG repeats display muscular and brain abnormalities

Abstract: The autosomal dominant mutation causing myotonic dystrophy (DM1) is a CTG repeat expansion in the 3'-UTR of the DM protein kinase (DMPK) gene. This multisystemic disorder includes myotonia, progressive weakness and wasting of skeletal muscle and extramuscular symptoms such as cataracts, testicular atrophy, endocrine and cognitive dysfunction. The mechanisms underlying its pathogenesis are complex. Recent reports have revealed that DMPK gene haploinsufficiency may account for cardiac conduction defects whereas cataracts may be due to haploinsufficiency of the neighboring gene, the DM-associated homeobox protein (DMAHP or SIX5) gene. Furthermore, mice expressing the CUG expansion in an unrelated mRNA develop myotonia and myopathy, consistent with an RNA gain of function. We demonstrated that transgenic mice carrying the CTG expansion in its human DM1 context (>45 kb) and producing abnormal DMPK mRNA with at least 300 CUG repeats, displayed clinical, histological, molecular and electrophysiological abnormalities in skeletal muscle consistent with those observed in DM1 patients. Like DM1 patients, these transgenic mice show abnormal tau expression in the brain. These results provide further evidence for the RNA trans-dominant effect of the CUG expansion, not only in muscle, but also in brain.

High N-terminal pro-brain natriuretic peptide levels and low diffusing capacity for carbon monoxide as independent predictors of the occurrence of precapillary pulmonary arterial hypertension in patients with systemic sclerosis.

Abstract: Objective To evaluate predictors of pulmonary arterial hypertension (PAH) in a prospective cohort of patients with systemic sclerosis (SSc). Methods Routine clinical assessments as well as measurements of the diffusing capacity for carbon monoxide/alveolar volume (DLCO/VA) ratio and N-terminal pro–brain natriuretic peptide (NT-proBNP) level were performed in a prospective cohort of 101 SSc patients who did not have PAH or severe comorbidities. After a planned 36-month followup, we evaluated the predictive value of these parameters for the development of precapillary PAH, as demonstrated by cardiac catheterization, disease progression, and death. Criteria for cardiac catheterization were a systolic pulmonary artery pressure (PAP) of >40 mm Hg on echocardiography, a DLCO value of <50% without pulmonary fibrosis, and unexplained dyspnea. Results Eight patients developed PAH, 29 had disease progression, and 10 died during a median followup of 29 months. Kaplan-Meier analysis identified the following baseline parameters as being predictors of PAH: DLCO/VA ratio 97th percentile of normal; P = 0.005), echocardiographically estimated systolic PAP >40 mm Hg (P = 0.08), and erythrocyte sedimentation rate >28 mm/hour (P = 0.015). In multivariate analyses, an elevated baseline NT-proBNP level (hazard ratio [HR] 9.97 [95% confidence interval (95% CI) 1.69–62.42]) and a DLCO/VA ratio <60% (HR 36.66 [95% CI 3.45–387.6]) were predictors of the occurrence of PAH during followup. An increased NT-proBNP level together with a decreased DLCO/VA ratio of <70% was highly predictive of the occurrence of PAH during followup (HR 47.20 [95% CI 4.90–450.33]). Conclusion This prospective study identified a decreased DLCO/VA ratio and an increased NT-proBNP as predictors of PAH in SSc. Use of these markers should result in improved PAH risk stratification and allow earlier initiation of therapy.