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L'essentiel de la littérature réçente en Pneumologie

Dans cette rubrique on vous propose une revue de la littérature à travers une sélection d'abstracts d'articles originaux.
On essaiera de vous tenir informé des dernières nouveautés de recherche en matière de Pneumologie. On ne vous fournit que le résumé de l'article et le lien correspondant, pour accéder à l'article en full text vous devez être inscrits à la revue correspondante.
Cliquez ici pour consulter la liste des revues de Pneumologie disponibles en libre accès.



Transbronchial cryobiopsy for diffuse parenchymal lung disease: a state-of-the-art review of procedural techniques, current evidence, and future challenges. Imprimer Envoyer
Mardi, 29 Août 2017 07:18
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Transbronchial cryobiopsy for diffuse parenchymal lung disease: a state-of-the-art review of procedural techniques, current evidence, and future challenges.

J Thorac Dis. 2017 Jul;9(7):2186-2203

Authors: Lentz RJ, Argento AC, Colby TV, Rickman OB, Maldonado F

Abstract
Transbronchial lung biopsy with a cryoprobe, or cryobiopsy, is a promising new bronchoscopic biopsy technique capable of obtaining larger and better-preserved samples than previously possible using traditional biopsy forceps. Over two dozen case series and several small randomized trials are now available describing experiences with this technique, largely for the diagnosis of diffuse parenchymal lung disease (DPLD), in which the reported diagnostic yield is typically 70% to 80%. Cryobiopsy technique varies widely between centers and this predominantly single center-based retrospective literature heterogeneously defines diagnostic yield and complications, limiting the degree to which this technique can be compared between centers or to surgical lung biopsy (SLB). This review explores the broad range of cryobiopsy techniques currently in use, their rationale, the current state of the literature, and suggestions for the direction of future study into this promising but unproven procedure.

PMID: 28840020 [PubMed]

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Nodal management and upstaging of disease: initial results from the Italian VATS Lobectomy Registry. Imprimer Envoyer
Mardi, 29 Août 2017 07:18
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Nodal management and upstaging of disease: initial results from the Italian VATS Lobectomy Registry.

J Thorac Dis. 2017 Jul;9(7):2061-2070

Authors: Bertani A, Gonfiotti A, Nosotti M, Ferrari PA, De Monte L, Russo E, Di Paola G, Solli P, Droghetti A, Bertolaccini L, Crisci R, Italian VATS Group

Abstract
BACKGROUND: VATS lobectomy is an established option for the treatment of early-stage NSCLC. Complete lymph node dissection (CD), systematic sampling (SS) or resecting a specific number of lymph nodes (LNs) and stations are possible intra-operative LN management strategies.
METHODS: All VATS lobectomies from the "Italian VATS Group" prospective database were retrospectively reviewed. The type of surgical approach (CD or SS), number of LN resected (RN), the positive/resected LN ratio (LNR) and the number and types of positive LN stations were recorded. The rates of nodal upstaging were assessed based on different LN management strategies.
RESULTS: CD was the most frequent approach (72.3%). Nodal upstaging rates were 6.03% (N0-to-N1), 5.45% (N0-to-N2), and 0.58% (N1-to-N2). There was no difference in N1 or N2 upstaging rates between CD and SS. The number of resected nodes was correlated with both N1 (OR =1.02; CI, 1.01-1.04; P=0.03) and N2 (OR =1.02; CI, 1.01-1.05; P=0.001) upstaging. Resecting 12 nodes had the best ability to predict upstaging (6 N1 LN or 7 N2 LN). The finding of two positive LN stations best predicted N2 upstaging [area under the curve (AUC) of receiver operating characteristic (ROC) =0.98].
CONCLUSIONS: Nodal upstaging (and, indirectly, the effectiveness of intra-operative nodal management) cannot be predicted based on the surgical technique (CD or SS). A quantitative assessment of intra-operative LN management may be a more appropriate and measurable approach to justify the extension of LN resection during VATS lobectomy.

PMID: 28840007 [PubMed]

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Effectiveness of Smartphone Devices in Promoting Physical Activity and Exercise in Patients with Chronic Obstructive Pulmonary Disease: A Systematic Review. Imprimer Envoyer
Mardi, 29 Août 2017 07:18
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Effectiveness of Smartphone Devices in Promoting Physical Activity and Exercise in Patients with Chronic Obstructive Pulmonary Disease: A Systematic Review.

COPD. 2017 Aug 24;:1-9

Authors: Martínez-García MDM, Ruiz-Cárdenas JD, Rabinovich RA

Abstract
The objectives of this systematic review were to analyse existing evidence on the efficacy of smartphone devices in promoting physical activity (PA) in patients with chronic obstructive pulmonary disease (COPD) and to identify the validity and precision of their measurements. A systematic review was undertaken across nine electronic databases: WOS Core Collection, PubMed, CINAHL, AMED, Academic Search Complete, Cochrane Central Register of Controlled Trials, SciELO, LILACS and ScienceDirect. Randomized and non-randomized controlled clinical trials were identified. To obtain additional eligible articles, the reference lists of the selected studies were also checked. Eligibility criteria and risk of bias were assessed by two independent authors. A total of eight articles met eligibility criteria. The studies were focused on promoting PA (n  =  5) and the precision of device measurements (n = 3). The effectiveness of smartphones in increasing PA level (steps/day) at short and long term is very limited. Mobile-based exercise programs reported improvements in exercise capacity (i.e. incremental Shuttle-Walk-Test) at short and long term (18.3% and 21%, respectively). The precision of device measurements was good-to-excellent (r = 0.69-0.99); however, these data should be interpreted with caution due to methodological limitations of studies. The effectiveness of smartphone devices in promoting PA levels in patients with COPD is scarce. Further high-quality studies are needed to evaluate the effectiveness of smartphone devices in promoting PA levels. Registration number: CRD42016050048.

PMID: 28836871 [PubMed - as supplied by publisher]

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