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Abstract

Purpose

Assessment of pressure ulcers is an indicator of nursing care quality. In physically handicapped patients, the risk is elevated, due to the neuropathy and incontinence that frequently accompany paresis and paralysis. We conducted a systematic review of 4 assessment scales to assess their use and usefulness for these patients.

Materials/methods

We searched 5 databases for articles published between 2016 and 2018 that included terms related to the risk of pressure ulcers in physically handicapped patients, including the names of 4 assessment scales (Norton, Braden, Waterlow and Spinal Cord Injury Pressure Ulcer Scale). One hundred and three sources were returned, from which we selected 10. We also selected an earlier source, for a total of 11.

Results

The Braden and Waterlow scales are popular in clinical practice. The Norton scale is used for scientific comparisons and in clinical practice only sporadically. Expert opinion suggests that acceptance of the Spinal Cord Injury Pressure Ulcer Scale could reduce the incidence of pressure ulcers in physically handicapped patients.

Conclusions

Introduction of a scale designed for handicapped patients, combined with better preventive measures, could result in the bedsore reduction of pressure ulcers. Research testing the effectiveness of the Spinal Cord Injury Pressure Ulcer Scale in the Czech population is needed to validate its use in clinical practice.

Open access
Journal of Radioanalytical and Nuclear Chemistry
Authors: A. Paulenová, P. Rajec, J. Kandráč, G. Sasköiová, E. Tóthová, P. Bartoš, V. Švec, and R. Góra

Abstract  

Complexation equilibrium of metals by three humic acids of different origin with ultrafiltration method was investigated at pH 4 a 5 and ionic strength I = 0.1M NaClO4. Commercial (Aldrich) and two original humic acids (peat and soil, obtained by six step isolation process from the material from Trnava county, close to the NPP Jaslovské Bohunice) were used in this study. For the evaluation of the results, the model of metal ion charge neutralization upon humic acid functional group proposed by the Kim and Czerwinski was used. Complexation constants were calculated using the terms of this model (operational concentration, loading capacity). The values of log = 5.39±0.16 for yttrium, 6.15±0.16 for americium and 5.20±0.08 for lead were found. Correlation of free metal concentration and ratio of molar fraction of complexing functional groups confirms the validity of charge neutralisation model for metal and polyelectrolyte complexation study.

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