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The results suggest that prior irradiation significantly increases the risk of complications in patients undergoing prosthetic reconstruction, and using an autologous flap or combining it with an implant can be considered to reconstruct previously irradiated breasts.
The results suggest that prior irradiation significantly increases the risk of complications in patients undergoing prosthetic reconstruction, and using an autologous flap or combining it with an implant can be considered to reconstruct previously irradiated breasts.Using ab initio evolutionary simulations, we predict the existence of five novel stable Li-N compounds at pressures from 0 to 100 GPa (Li13N, Li5N, Li3N2, LiN2, and LiN5). Structures of these compounds contain isolated N atoms, N2 dimers, polyacetylene-like N chains and N5 rings, respectively. The structure of Li13N consists of Li atoms and Li12N icosahedra (with N atom in the center of the Li12 icosahedron) - such icosahedra are not described by Wade-Jemmis electron counting rules and are unique. Electronic structure of Li-N compounds is found to dramatically depend on composition and pressure, making this system ideal for studying metal-insulator transitions. For example, the sequence of lowest-enthalpy structures of LiN3 shows peculiar electronic structure changes with increasing pressure metal-insulator-metal-insulator. This work also resolves the previous controversies of theory and experiment on Li2N2.Alazami syndrome is an autosomal recessive disease characterized by primordial dwarfism, distinct dysmorphic features, and severe intellectual disability. Since it was first identified in a large consanguineous Arabic family in 2012, additional cases have not been published in the literature. We present a 2-year-old Northern European/Caucasian female with short stature, failure to thrive, and developmental delay. Whole exome sequencing (WES) identified two novel pathogenic variants in LARP7 (c.213_214dup and c.651_655del), indicating a diagnosis of Alazami syndrome. The case report describes a novel genotypic and phenotypic presentation of Alazami syndrome, contributing to the current knowledge of the condition as well as the expansion of differential diagnoses for growth restriction and intellectual disability.The cold pressor test (CPT) is widely used in clinical practice and physiological research. It is characterized by a robust autonomic response, with associated increases in heart rate (HR), mean arterial pressure (MAP) and mean middle cerebral artery blood flow velocity (MCAv(mean)). Hydration status is not commonly reported when conducting this test, yet blood viscosity alone can modulate MCAv(mean), potentially modifying the MCAv(mean) response to the CPT. We investigated the effect of mild dehydration on the physiological response to the CPT in 10 healthy men (mean ± SD age 28 ± 5 years; body mass 83 ± 5 kg). All participants completed two CPTs, cold water (0°C) immersion of both feet for 90 s, with the order of the euhydration and dehydration trials counterbalanced. Beat-to-beat MCAv, MAP, HR and breath-by-breath partial pressure of end-tidal CO2 (P(ET,CO2)) were measured continuously. Participants' pain perception was measured 1 min into the CPT using a visual analog scale (no pain = 0; maximal pain = 10). Dehydration significantly elevated plasma osmolality and urine specific gravity and reduced body mass (all P 0.05). After 90 s of immersion, the change in MCAv(mean) from baseline was less in the dehydration compared with the euhydration trial (change 0 ± 5 versus 7 ± 7 cm s(-1), P = 0.01), as was P(ET,CO2) (change -3 ± 2 versus 0 ± 3 mmHg, P = 0.02). Dehydration was associated with greater relative pain sensation during the CPT (7.0 ± 1.3 vs 5.8 ± 1.8, P = 0.02). Our results demonstrate that mild dehydration can modify the cerebrovascular response to the CPT, with dehydration increasing perceived pain, lowering P ET ,CO2 and, ultimately, blunting the MCAv(mean) response.
The aim of this study was to assess the effect of connection type and impression technique on the accuracy of fit of implant-supported fixed complete-arch dental prostheses (IFCDPs).

An edentulous mandibular cast with five implants was fabricated to serve as master cast (control) for both implant- and abutment-level baselines. A titanium one-piece framework for an IFCDP was milled at abutment level and used for accuracy of fit measurements. Polyether impressions were made using a splinted and non-splinted technique at the implant and abutment level leading to four test groups, n=10 each. Hence, four groups of test casts were generated. The impression accuracy was evaluated indirectly by assessing the fit of the IFCDP framework on the generated casts of the test groups, clinically and radiographically. Additionally, the control and all test casts were digitized with a high-resolution reference scanner (IScan D103i, Imetric, Courgenay, Switzerland) and standard tessellation language datasets were generated with the non-splint technique (P<0.05).

For one-piece IFCDPs, the implant-level splinted impression technique showed to be more accurate than the non-splinted approach, whereas at the abutment-level, no difference in the accuracy was found.
For one-piece IFCDPs, the implant-level splinted impression technique showed to be more accurate than the non-splinted approach, whereas at the abutment-level, no difference in the accuracy was found.
The purpose of this retrospective study was to analyse the pathogenesis and the treatment strategies of hypertrophic obstructive cardiomyopathy (HOCM) with the concomitant mitral valve abnormalities.

Between October 1996 and December 2009, 76 patients with the HOCM underwent the ventricular septal myotomy-myectomy in Fuwai hospital. There were 51 males and 25 females aged between 6 and 68 years (mean 37.18 ± 15.85 years) old. All the patients had left ventricular outflow tract (LVOT) obstruction with a resting or physically provoked gradient of ≥50 mmHg and the systolic anterior movement (SAM) of the mitral leaflets, and 64 patients had mitral regurgitation (MR). These patients underwent the ventricular septal myotomy-myectomy under general anaesthesia and cardiopulmonary bypass. The concomitant surgical procedures included mitral valve replacement (MVR, n = 14) and mitral valve plasty (MVP, n = 12).

All the surgical procedures were technically successful. In comparison with the preoperative conditions,ty and a significant reduction in disabling symptoms.

The ventricular septal myotomy-myectomy can be performed successfully for the severe obstructive HOCM and MR with the low morbidity and mortality and excellent survival in the great majority of patients. But for the few patients with the intrinsic mitral valve disease, the concomitant MVP or MVR may be required, and MVR should be performed only as a priority choice for the inherent risks of prosthetic valves and anticoagulation therapy.
The ventricular septal myotomy-myectomy can be performed successfully for the severe obstructive HOCM and MR with the low morbidity and mortality and excellent survival in the great majority of patients. But for the few patients with the intrinsic mitral valve disease, the concomitant MVP or MVR may be required, and MVR should be performed only as a priority choice for the inherent risks of prosthetic valves and anticoagulation therapy.From 2009 to 2013 the diversity of noroviruses (NoVs) in children (⩽5 years) hospitalized with gastroenteritis in South Africa was investigated. NoVs were genotyped based on nucleotide sequence analyses of partial RNA-dependent RNA polymerase (RdRp) and capsid genes. Seventeen RdRp genotypes (GI.P2, GI.P3, GI.P6, GI.P7, GI.P not assigned (NA), GI.Pb, GI.Pf, GII.P2, GII.P4, GII.P7, GII.P13, GII.P16, GII.P21, GII.Pc, GII.Pe, GII.Pg, GII.PNA) and 20 capsid genotypes (GI.1, GI.2, GI.3, GI.5, GI.6, GI.7, GI.NA, GII.1, GII.2, GII.3, GII.4, GII.6, GII.7, GII.10, GII.12, GII.13, GII.14, GII.16, GII.17, GII.21) were identified. The combined RdRp/capsid genotype was determined for 275 GII strains. ABT-199 solubility dmso Fifteen confirmed recombinant NoV strains circulated during the study period. NoV GII.P4/GII.4 (47%) and GII.Pe/GII.4 (18%) predominated, followed by GII.PNA/GII.3 (10%) and GII.P21/GII.3 (7%). Other prevalent strains included GII.Pg/GII.12 (6%) and GII.Pg/GII.1 (3%). Two novel recombinants, GII.Pg/GII.2 and GII.Pg/GII.10 were identified. In 2013 the replacement of GII.4 New Orleans 2009 and GII.P21/GII.3, which predominated during the early part of the study, with GII.4 Sydney 2012 and GII.PNA/GII.3 was observed. This study presents the most comprehensive recent data on NoV diversity in Africa.The simultaneous detection of relevant metabolites in living organisms by using one molecule introduces an approach to understanding the relationships between these metabolites in healthy and deregulated cells. Fluorescent probes of low toxicity are remarkable tools for this type of analysis of biological systems in vivo. As a proof of concept, different naturally occurring compounds, such as biothiols and phosphate anions, were the focus for this work. The 2,4-dinitrobenzenesulfinate (DNBS) derivative of 9-[1-(4-tert-butyl-2-methoxyphenyl)]-6-hydroxy-3H-xanthen-3-one (Granada Green; GG) were designed and synthesized. This new sulfinyl xanthene derivative can act as a dual sensor for the aforementioned analytes simultaneously. The mechanism of action of this derivative implies thiolysis of the sulfinyl group of the weakly fluorescent DNBS-GG by biological thiols at near-neutral pH values, thus releasing the fluorescent GG moiety, which simultaneously responds to phosphate anions through its fluorescence-decay time. The new dual probe was tested in solution by using steady-state and time-resolved fluorescence and intracellularly by using fluorescence-lifetime imaging microscopy (FLIM) in human epithelioid cervix carcinoma (HeLa) cells.Nonlinear magnetization dynamics is essential for the operation of numerous spintronic devices ranging from magnetic memory to spin torque microwave generators. Examples are microwave-assisted switching of magnetic structures and the generation of spin currents at low bias fields by high-amplitude ferromagnetic resonance. Here we use X-ray magnetic circular dichroism to determine the number density of excited magnons in magnetically soft Ni80Fe20 thin films. Our data show that the common model of nonlinear ferromagnetic resonance is not adequate for the description of the nonlinear behaviour in the low magnetic field limit. Here we derive a model of parametric spin-wave excitation, which correctly predicts nonlinear threshold amplitudes and decay rates at high and at low magnetic bias fields. In fact, a series of critical spin-wave modes with fast oscillations of the amplitude and phase is found, generalizing the theory of parametric spin-wave excitation to large modulation amplitudes.A 25-year-old Somalian man was referred to the department of internal medicine because of nausea, vomiting and jaundice of recent onset. On physical examination, he was frankly icteric without clinical signs of chronic liver disease. Laboratory data showed evidence of acute hepatitis. Viral serologic tests for hepatitis A, B, C and E were negative. Antinuclear antibodies (ANA) were positive (titre 1  1280; speckled pattern, NV less then  1  40) as well anti-actin antibodies (titre 75 UA, NV less then  20). A liver biopsy was performed and showed a feature compatible with toxic hepatitis. On further questioning, the patient admitted to daily chew Khat when he was living in Somalia. We concluded to Khat-induced toxic hepatitis together with high-titre anti-nuclear antibody mimicking serologic patterns of auto-immune hepatitis.
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