Julien Massol

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Metapopulation theory has recently been stirred by the development of a metapopulation persistence criterion (R(m)) quantifying the "lifetime dispersal success" of a newly colonized deme in a sparsely occupied metapopulation. No rigorous proof of this criterion in continuous time has been available so far. Here, we show that this criterion can be(More)
The practice of laparoscopic liver surgery has developed gradually, and most liver resections seem currently feasible and safe for selected patients in centers where surgeons are experienced both in liver surgery and in laparoscopic surgery. However, further studies would be required, especially for long-term oncological results and for major hepatectomy(More)
The solitary thyroid nodule is frequently observed and many strategies are proposed for the diagnosis of the etiology and for the choice of treatment. Despite many discussions no clear consensus has been so far reached. The french groups concerned by this problem set up a Clinical Practice Guide line with the methodological help of Agence Nationale pour le(More)
Levothyroxine sodium (LT4) is the treatment of choice for the management of hypothyroidism. The aim of the treatment is to obtain a permanent clinical and biological (normal TSH values) euthyroid state. Before initiating therapy, hypothyroidism has to be confirmed and, in adults, the risk of coronary heart disease to be evaluated. Adults require(More)
Laparoscopic pancreaticoduodenectomy (LPD) is technically demanding, and its impact on postoperative outcomes remains controversial. To compare short-term outcomes between laparoscopic versus open pancreaticoduodenectomy (OPD) in order to assess the safety of LPD. From 2002 to 2014, all consecutive patients undergoing LPD or OPD at two tertiary centers were(More)