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Träfflista för sökning "WFRF:(Jamar François) "

Sökning: WFRF:(Jamar François)

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2.
  • Morelle, Johann, et al. (författare)
  • Quantification of Osmotic Water Transport in vivo using Fluorescent Albumin.
  • 2014
  • Ingår i: American Journal of Physiology-Renal Physiology. - : American Physiological Society. - 1522-1466. ; 307:8, s. 981-989
  • Tidskriftsartikel (refereegranskat)abstract
    • Osmotic water transport across the peritoneal membrane is applied during peritoneal dialysis to remove the excess of water accumulated in patients with end-stage renal disease. The discovery of aquaporin water channels and the generation of transgenic animals have stressed the need for novel and accurate methods to unravel molecular mechanisms of water permeability in vivo. Here we describe the use of fluorescently-labeled albumin as reliable indicator of osmotic water transport across the peritoneal membrane in a well-established mouse model of peritoneal dialysis. After detailed evaluation of the intraperitoneal tracer mass kinetics, the technique was validated against direct volumetry, considered as gold standard. The pH-insensitive dye AlexaFluor555-albumin was applied to quantify osmotic water transport across the mouse peritoneal membrane resulting from modulating dialysate osmolality and genetic silencing of the water channel AQP1. Quantification of osmotic water transport using AlexaFluor(555)-albumin closely correlated with direct volumetry and with estimations based on radio-iodinated ((125)I) serum albumin (RISA). The low intraperitoneal pressure probably accounts for the negligible disappearance of the tracer from the peritoneal cavity in this model. Taken together, these data demonstrate the appropriateness of the pH-insensitive AlexaFluor(555)-albumin as a practical and reliable intraperitoneal volume tracer to quantify osmotic water transport in vivo.
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3.
  • Pacini, Furio, et al. (författare)
  • Post-surgical use of radioiodine (131I) in patients with papillary and follicular thyroid cancer and the issue of remnant ablation: a consensus report.
  • 2005
  • Ingår i: European journal of endocrinology / European Federation of Endocrine Societies. - 0804-4643. ; 153:5, s. 651-9
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To determine, based on published literature and expert clinical experience, current indications for the post-surgical administration of a large radioiodine activity in patients with differentiated thyroid cancer. DESIGN AND METHODS: A literature review was performed and was then analyzed and discussed by a panel of experts from 13 European countries. RESULTS: There is general agreement that patients with unifocal microcarcinomas = 1 cm in diameter and no node or distant metastases have a <2% recurrence rate after surgery alone, and that post-surgical radioiodine confers recurrence and cause-specific survival benefits in patients, strongly suspected of having persistent disease or known to have tumor in the neck or distant sites. In other patients, there is limited evidence that after complete thyroidectomy and adequate lymph node dissection performed by an expert surgeon, post-surgical radioiodine provides clear benefit. When there is any uncertainty about the completeness of surgery, evidence suggests that radioiodine can reduce recurrences and possibly mortality. CONCLUSION: This survey confirms that post-surgical radioiodine should be used selectively. The modality is definitely indicated in patients with distant metastases, incomplete tumor resection, or complete tumor resection but high risk of recurrence and mortality. Probable indications include patients with tumors >1 cm and with suboptimal surgery (less than total thyroidectomy or no lymph node dissection), with age <16 years, or with unfavorable histology.
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4.
  • Schlumberger, Martin, et al. (författare)
  • Follow-up and management of differentiated thyroid carcinoma: a European perspective in clinical practice.
  • 2004
  • Ingår i: European journal of endocrinology / European Federation of Endocrine Societies. - 0804-4643. ; 151:5, s. 539-48
  • Tidskriftsartikel (refereegranskat)abstract
    • As differentiated (follicular and papillary) thyroid cancer (DTC) may recur years after initial treatment, follow-up of patients with DTC is long term. However, this population has changed, with more individuals being discovered at an earlier stage of disease, so that previous follow-up protocols based mostly on data from high-risk patients no longer apply. We have proposed, in a previous issue of this Journal, an improved protocol for the follow-up of low-risk patients with DTC based on the findings of recent studies. We report here the case of a paradigmatic patient with papillary thyroid carcinoma, with the goal of illustrating the benefits of applying this algorithm in routine clinical practice. We also offer expanded and additional comments on various issues in the management of DTC.
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5.
  • Schlumberger, Martin, et al. (författare)
  • Follow-up of low-risk patients with differentiated thyroid carcinoma: a European perspective.
  • 2004
  • Ingår i: European journal of endocrinology / European Federation of Endocrine Societies. - 0804-4643. ; 150:2, s. 105-12
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: Because differentiated (follicular and papillary) thyroid cancer (DTC) may recur years after initial treatment, the follow-up of patients with DTC is long term. However, this population has changed, with more individuals being discovered at an earlier stage of the disease, so that previous follow-up protocols based mostly on data from high-risk patients no longer apply. We sought to develop an improved protocol for the follow-up of low-risk patients with DTC based on the findings of recent studies. METHODS: We analysed recent literature on the follow-up of DTC. RESULTS: Recent large studies have produced three important findings: (i) in patients with low-risk DTC with no evidence of disease up to the 6- to 12-month follow-up, diagnostic whole-body scan adds no information when serum thyroglobulin (Tg) is undetectable and interference from anti-Tg antibodies is absent; (ii) use of recombinant human thyroid-stimulating hormone to aid Tg measurement is effective and provides greater safety, quality-of-life and work productivity than does levothyroxine withdrawal with its attendant hypothyroidism; and (iii) ultrasonography performed by an experienced operator is the most sensitive means of detecting neck recurrences of DTC. CONCLUSIONS: We present a revised follow-up protocol for low-risk patients taking into account the above findings. This protocol should help clinicians enter a new era of monitoring characterized by greater safety, simplicity, convenience and cost savings.
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