Pneumothorax complicating isolated clavicle fracture

Isolated clavicle fractures are among the commonest of traumatic fractures in the emergency department. Complications of isolated clavicle fractures are rare. Pneumothorax has been described as a complication of a fractured clavicle only rarely in English literature. In all the reported cases, the pneumothorax was treated by a thoracostomy and the clavicle fracture was treated conservatively. In our case, the pneumothorax required a chest drain insertion and the clavicle fracture was treated surgically with good result

Two-point phase correlations of a one-dimensional bosonic Josephson junction

We realize a one-dimensional Josephson junction using quantum degenerate Bose gases in a tunable double well potential on an atom chip. Matter wave interferometry gives direct access to the relative phase field, which reflects the interplay of thermally driven fluctuations and phase locking due to tunneling. The thermal equilibrium state is characterized by probing the full statistical distribution function of the two-point phase correlation. Comparison to a stochastic model allows to measure the coupling strength and temperature and hence a full characterization of the system

Milk production of ewes of Timahdite, Sardi and Béni Gull breeds in purebreeding and crossbreeding

La production laitière, durant 8 semaines de lactation, de 144 brebis de races Sardi, Béni Guil et Timahdite luttées par les béliers de leurs races respectives et par ceux des races Île de France, Mérinos Précoce et Suffolk a été estimée par la méthode de pesée avant et après tétée (PAAT) pendant trois années. L'étude a montré que la production laitière est influencée par la race de la brebis mais non par la race du bélier, et que les agneaux issus de pères de races île de France, Suffolk et Sardi transforment mieux le lait que ceux issus des autres races de pères. Il semble impératif de supplémenter les agneaux croisés à partir du 2ème mois d'âge.Milk production of ewes of Timahdite, Sardi and Béni Gull breeds in purebreeding and crossbreedingEight weeks milk production of 144 Sardi, Béni Guil and Timahdite ewes mated to rams of their respective breeds and to rams of Île de France, Mérinos Précoce and Suffolk breeds was estimated during three years by the method of weighting lambs before and after suckling. Milk production was affected by the breed of ewe but not the breed of ram, Lambs sired by île de France, Suffolk and Sardi rams had a better milk efficiency than those produced by rams ofthe other breeds. It seems necessary to supplement crossbred lambs from the age oftwo months

Performances d'engraissement et caractéristiques des carcasses d'agneaux issus du croisement des brebis de races Timahdite, Sardi et Béni Guil avec des béliers de races à viande

L'analyse des performances d'engraissement et des caractéristiques de carcasses de 242 agneaux issus du croisement des brebis de races Timahdite, Sardi et Béni Guil avec des béliers de leurs races respectives et avec des béliers de races Île de France, Suffolk et Mérinos Précoce a montré que les performances des agneaux croisés sont meilleures que celles des agneaux de races pures. De plus, parmi les races à viande, il semble que la race Île de France est celle qui conviendrait le mieux au croisement avec les brebis de races locales marocaines.Fattening performance and carcass characteristics of crossbred lambs born to Timahdite, Sardi and Béni Guil ewes and rams of meat breedsThe analysis offattening performance and carcass characteristics of 242 lambs born to Timahdite, Sardi and Béni Guil ewes mated to rams of their respective breeds and to rams of Ile de France, Suffolk and Mérinos Précoce showed a superiority of crossbred over purebred lambs. Moreover, among the three meat breeds, it seems that Ile de France is the most suitable breed to be crossed to ewes of Moroccan native breeds

Surface Optical Waves at Air/Metal Interfaces: Surface Plasmon Polaritons

The surface plasmon resonance (SPR) phenomenon has been known for nearly five decades now; since then this method has made great advances in terms of instrumentation development and applications, and it still attracts researchers because of certain subtle issues that could benefit from it mainly detection and analysis of chemical and biochemical substances in different areas including medicine, environmental monitoring, biotechnology and drug and food monitoring. Our interest is focused on the use of this technique for studying thin coating and some application in nanophotonics. In this paper, we discuss the configuration of surface plasmons at air/metal interface by Atenuated total reflection (ATR) technique in the Kretchman configuration, and we present preliminary experimental results on surface plasmons at a Ag/air interface that we obtained in our laboratory.The surface plasmon resonance (SPR) phenomenon has been known for nearly five decades now; since then this method has made great advances in terms of instrumentation development and applications, and it still attracts researchers because of certain subtle issues that could benefit from it mainly detection and analysis of chemical and biochemical substances in different areas including medicine, environmental monitoring, biotechnology and drug and food monitoring. Our interest is focused on the use of this technique for studying thin coating and some application in nanophotonics. In this paper, we discuss the configuration of surface plasmons at air/metal interface by Atenuated total reflection (ATR) technique in the Kretchman configuration, and we present preliminary experimental results on surface plasmons at a Ag/air interface that we obtained in our laboratory

Clinical and pathological kidney aspects of sickle cell anemia at Dakar: study of 11 cases of renal biopsies

Few studies are devoted to the practice of renal biopsy in sickle cell nephropathy; our objective was to determine the histological and evolutionary patterns of renal lesions in sickle cell patients who underwent renal biopsy in Dakar.Methods:This was a retrospective multicentric study (conducted from December 2009 to August 2011) on renal biopsies performed on sickle cell anaemic patients at the Nephrology Department of Teaching Hospital Aristide Le Dantec and the Albert Royer Childrens Hospital. The histological, therapeutic and evolutionary data were analysed.From the 292 total renal biopsies, 11 (3.80%) were performed on sickle cell patients (6SS, 1SBth + 4 AS) with a mean age of 23.1 [13-51 years]. Nephrotic syndrome was the indication of renal biopsy in all cases. Focal segmental glomerulosclerosis was the most frequent histological finding (five cases), followed by a combination of various specific lesions (hypertrophy of glomerular and peritubular capillaries), minimal glomerular lesions (three cases), membranoproliferative glomerulonephritis (two cases) and extra-membranous glomerulonephritis (one case). Complete remission after treatment was achieved in seven cases and one patient expired. Three patients did not continue with follow-up appointments.Conclusions:Renal biopsy is not very frequent in the course of sickle cell anaemia and in most cases it is performed because of nephrotic syndrome. The histological findings are diverse with a predominance of focal segmental glomerulosclerosis

Luxation obturatrice de la hanche: un traumatisme rare en pratique sportive

Les luxations antérieures traumatiques de la hanche sans fracture du cotyle ou de la tête fémorale sont rares. Elles sont souvent secondaires à des accidents de haute énergie cinétique. La prise en charge thérapeutique nécessite un chirurgien vigilant et prévenu du risque de complications. Nous rapportons le cas d'une luxation obturatrice (antéro-inférieure) chez un jeune de 18 ans pratiquant le rolle

Characterization of a Dialdehyde Chitosan Generated by Periodate Oxidation

This article reports the oxidation of Chitosan by using periodate and the characterization of the dialdehyde chitosan (DAC) generated by the reaction. Oxidised chitosan were further characterised by FTIR analysis, 1HNMR and TGA. The morphological analyses of oxidized chitosan by SEM confirmed the non change of elongated and fibrous network of chitosan. FTIR and TGA show no significant change on chemical structure and thermal properties successively. 1H NMR study confirmed the presence of imines generated by the reaction between dialdehyde chitosan and amino groups of chitosan (spontaneous assembling)