While the effect of early referral to a nephrologist on QoL appeared centre dependent, a smooth transition onto dialysis was associated with significantly better early QoL, independent of other variables.

Results indicated that dietary self-efficacy determined both behaviours and laboratory outcomes. Patients with greater dietary self-efficacy had lower serum potassium and weight gain, showed favourable compliance attitudes and behaviours toward prescribed regimens and fostered better relationships with staff. Based on these findings we recommend an experimental approach to clarify whether maximizing dietary self-efficacy efforts is without psychological burden to patients and whether the positive effect of increased dietary self-efficacy is maintained in long-term dialysis patients.

Post-market modification of valves from AMBU bags (AMBU Inc, Columbia, MD, USA) may be more susceptible to failure during use compared with our use of commercial pressure regulators (produced under ISO standards). Our data do not cover the full range of clinical parameters. For our studies, inspiratory times were kept fixed, although in actual patients, inspiratory times may be intermittently adjusted. Furthermore, this scheme is not intended as a permanent solution for ventilating multiple patients, and should be used only with hospital administration approval and acknowledgement of the unique ethical considerations during a crisis (such as the COVID-19 pandemic). 11,12 Although the COVID-19 pandemic inspired our designs, it may have utility in other mass casualty scenarios such as natural disasters, terrorist attacks, and battlefield medicine. Future versions should aim to extend to more than two patients per ventilator. Declarations of interest GWF is a consultant for and on the speaker's bureau of Edwards LifeSciences. All other authors have no conflicts to declare. 4. Wang D, Hu B, Hu C, et al. Clinical characteristics of 138 hospitalized patients with 2019 novel coronavirusinfected pneumonia in Wuhan, China. JAMA 2020; 323: 1061e9 5. Neyman G, Irvin CB. A single ventilator for multiple simulated patients to meet disaster surge.

PMN [Ca(2+)](i) is modulated by various parameters in HD patients, including the degree of anaemia, disturbances of calcium metabolism, and duration of dialysis treatment. The elevated [Ca(2+)](i) of resting PMNs might contribute to altered functions in these cells.

This paper describes a 61-year-old woman who presented with mixed connective tissue disease, which was complicated by the development of pulmonary arterial hypertension (PAH). Her condition worsened rapidly, with development of haemopthysis, tachypnoe and cardiac arrest. Doppler echocardiography showed a high systolic pulmonary arterial pressure (98 mmHg), confirmed by the right heart catheterization. Vasculopathy of the pulmonary artery vessels was detected following open lung biopsy. No pulmonary embolism was found. Because of suspicion of flare of her underlying disease, which leads to PAH, immunosuppressive treatment was started with high doses of corticosteroid and cyclophosphamide, in combination with the prostacyclin analogue, Iloprost, and low molecular weight heparin. The therapy resulted in slow recovery over 6 weeks, with control echocardiography showing normalization of the high pulmonary pressure, and the patient being capable of returning to everyday activities.

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In patients with bilateral renal carcinomas, the histologic concordance was 93.6 %. The bilateral partial nephrectomies or unilateral nephrectomy and contralateral resection provided acceptable oncological and functional outcomes.

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