Ludzkie koronawirusy - autor: Krzysztof Pyrć z Zakładu Mikrobiologii, Wydział Biochemii, Biofizyki i Biotechnologii, Uniwersytet Jagielloński, Kraków

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© Borgis - New Medicine 1/2012, s. 15-20
*Mariann Csernus Raskovicsné1, Ildikó Szabó Kádárné2, Magdolna Mészáros Halmosné2, Judit Mészáros3
The factors influencing the outcome of pressure ulcer care
1Semmelweis University Faculty of Health Sciences, Institute of Applied Health Sciences, Department of Nursing
Dean: prof. Judit Mészáros, CSc
2Pandy Kalman Hospital Nursing Director: Magdolna Mészáros Halmosné
3Semmelweis University Faculty of Health Sciences, Institute of Applied Health Sciences
Dean: prof. Judit Mészáros, CSc
Aim of the study. The aim of this study was to investigatethe existence of relation between the treatment outcome of the occurring pressure ulcer (PU) and the patient’s motility, the methods applied to treat incontinence, the use of preventive nursing devices and means of comfort and the different types of applied dressing-materials. Furthermore, we also investigated the possible connections among these factors.
Methods and materials. The research was carried out with the use of a longitudinal prospective method. A non-judgement sampling method was applied, on the basis of which the sample size was defined(N = 299). The presentation of the results and the investigation ofrelations among the factors were carried out with the help of descriptive statistic methods (Chi-square test, Pearson-, and Spearman-correlations).
Results. The outcome of PU is significantly related to the patient’s motility (p=0,002), the applied methods of the treatment of wound (p < 0.001). A significant connection could be observed between the motility, the use of static tools and the wounds treatment methods (p = 0.021 and p < 0.001).In relation to the use of preventive nursing tools and comfort tools, a significant connection could be found (p ≤ 0.000).
Conclusions. It was verified that evidences were required in case of both the tools that secured exoneration and relief of pressure and the adequate wound treatment methods. Thanks to this study, a little step was madetowards the evidence-based nursing.
The pressure ulcer (PU) is one of the most emphasised elements of the general health care and at the same time it is a health careand nursing quality indicator (1). It is a great challenge that medical experts, the management and financiers have to face. The increase of morbidity leads to the increase of financial expenses of the backers (2). It can cause further frustration for the patient; moreover it can also impair their already lowered quality of life (3, 4). Above of these, it can also have an unfavourable influence on the mood of the care-takers, as the lack of success, the failure and the evident impairment of the patient’s health can result in the growth of guilty conscience that can shake the faith in medication and nursing.
There is an international professional agreement in the insistence on prevention. The importance of prevention has been reinforced by research on the sensitivity and specificity of risk assessment scales (5-9), on the propagation and continual development of special devices that secure exoneration and relief of pressure (6, 10, 11), and it has also been strengthened by further investigations in connection with the general condition of the patient (e.g. nutrition and incontinence) (12).
In contrary to these, the problem of PU is still present. According to estimated data, its incidence rate is about 18% in Europe (13) and 15.2% in the United States of America (14).
The PU has been presented as an indicator of the quality of nursing. The outcome of the health provision is in close relation with the quality of nursing. The quality of nursing depends on the assuring of the personnel conditions, the completion of the controlled process of health provision and the assuring of the available tools and materials.
The hospitals use different nursing protocols in the prevention and treatment of PU. The risk assessment in case of the occurrence of PU is conducted basing on the modified Norton scale that makes the estimation of the patient’s health objective with the help of the criteria of age, levels of cooperation, activity, motility, incontinence, accompanying illnesses, mental state, skin status and general physical condition. Limitation of motion, ataxia, incontinence, which can affect the skin status, and nutrition are very important risk factors in PU development.
Assessing the state of nutrition falls within the competence of the nurses; however, the method applied to roborate the patient is stated by the assistance of a dietician, but on the basis of the directions for treatment made by the medical attendant.
In order to guarantee the patient’s comfort, to prevent the development of pressure ulcer and to secure exoneration and relief of pressure, the use of the following devices is accepted:
– classic means of comfort: water-filled pillows, gloves; air-filled non-special pillows; one-piece foam mattress and pillow made of polyurethane; cut-out or donut-shaped devices made of polyurethane; rings (heel, elbow);
– static preventive means: alternative higher-specification foam mattress; overlay filled with gel; alternating-pressure air mattress and overlay;
– dynamic therapeutic devices: pressure-redistributing mattressor self-adjusting technology air mattress, kinetic beds.
In terms of the wound treatment, the applied methods include traditional methods (e.g. antibacterial debridement, dry dressing and retention), however modern dressing materials and methods (e.g. film-dressing, impregnated-dressing, alginate, hydrogel and hydrocolloid) are also available.
Aims of the study
The aim of this study was to investigate the existence of relation between the treatment outcome of the occurring pressure ulcer (PU) and
1. the patient’s motility,
2. the methods applied to treat incontinence,
3. the use of preventive nursing devices and tools of comfort,
4. the different types of applied dressing-materials.
Furthermore, we would also like to investigate the possible connections among these factors.
Material and methods
Patients suffering from PU and treated between 1st January and 31st December 2007 in the Kálmán Pándy Hospital, in Gyula took part in this study regardless tothe stages and the ways in which PU had developed.
Patients were enrolled in this study basing on the protocol called “The monitoring of decubitus patients” which has already been applied in this institution. According to this, each patient suffering from PU has to be reported to the PU team, which also carries out the monitoring, after the treatment has been ended (with other words, after the patient has left the institution). Every patient who suffered from PU in the year 2007 and who was reported to the PU team in the same year took part in this study.
Within the frame of the descriptive research, we applied a non-judgement sampling method, on the basis of which the sample size was defined at N = 299 individuals.
The research was carried out with the help of a longitudinal prospective method, followed by data processing. Obtained figures were processed with the help of the Microsoft Excel software. The presentation of the results and the investigation of the connections among factors were carried out with the use of descriptive statistic methods [Chi-square test (with a significance level of 5%, p ≤ 0.05) as well as Pearson-(R) and Spearman-(Sr) correlation tests] using the SPSS 15.0 package.
In the hospital, data obtained during the monitoring of patients was treated in confidence and according to the ethical and legal principles. The director-general and chief medical officer of the institution have contributed to this current publication.
In view of the general demographic characteristics of the sample, it can be stated that:
– The average age of the patients participated in this study was 72.3; the median calculated as a potential mean value is 74 years. On the basis of the accompanied calculated quartiles, 25% of the patients were less than 65 years old and 75% of the patients were less than 82 years old.
– The breakdown of sex shows that 38,8% of the patients was men and 61.2% was women.
– The distribution of the PU stages demonstrates that the occurrence of Stage II ofPU was dominant (62%), and it was followed by the Stages I (24%), III (8%) and IV (6%).
– In case of 47 patients, more than one type of PU occurred. The sequence of frequency according to the location of the occurrence of PU was following: sacrum (70%), heel, ankle, buttocks and ischium.
– In term soft the most serious outcomes of PU treatment, 42% of the patients showed stagnation, 31% presented worsening, 14% demonstrated improvement, and 13% presented total healing.
In connection with the requirements of the nursing of decubitus patients, the assessment of the patient’s motility (and within this, the demand on giving assistance), the treatment of incontinence, the use of preventive nursing devices and/or means of comfort (static or dynamic) and the applied methods of treatment of wound have been investigated:
– All the decubitus patients were completely limited in motility, out of whom 59% were ataxic and therefore they needed complete nursing service;
– In relation to the possible treatments of incontinence, 47% of the patients were catheterised, 34% were catheterised but incontinence pads were also used, and incontinence pads alone were applied in 17% of the investigated cases;
– In order to guarantee the patient’s comfort, nurses applied so-called classicmeans of comfort in 47% of the examined cases, but at the same time they often used preventive means too. Static preventive overlays and devices were applied in 22% and dynamic mattresses and beds were used in 30% of the investigated cases;
– The distribution of the applied dressings showed that 53% of the patients were treated with modern and 16% of the patients received classic dressing methods and materials, while in 31% of the examined cases the combination of these was applied.
In order to establish connection between the outcome of PU (dependent variable) and the treating methods of incontinence, the patient’s motility, the treatment of wound, and the use of preventive nursing devices and means of comfort (independent variables), the following can be stated:
– The outcome of PU is in significant connection with the patient’s motility (p = 0.002), and with the applied methods of treatment of wound (p < 0.001); however, there is a very weak positive correlation between these two factors (motility: Sr = 0.001, treatment of wound: Sr = 0.002) (tab. 1).
Table 1. Chi-Square Tests.
IncontinenceValuedfAsymp. Sig. (2-sided)
Pearson Chi-Square8,015a6,237
N of Valid Cases292
a. 0 cells (0,0%) have expected count less than 5. The minimum expected count is 6,64.
Mobility/outcomeValuedfAsymp. Sig. (2-sided)
Pearson Chi-Square14,608a3,002
N of Valid Cases299
a. 0 cells (0,0%) have expected count less than 5. The minimum expected count is 16,59.
Wound therapy/outcomeValuedfAsymp. Sig. (2-sided)
Pearson Chi-Square29,879a6,000
N of Valid Cases299
a. 0 cells (0,0%) have expected count less than 5. The minimum expected count is 6,42.
Instruments of prevention/outcomeValuedfAsymp. Sig. (2-sided)
Pearson Chi-Square2,369a3,499
N of Valid Cases299
a. 0 cells (0,0%) have expected count less than 5. The minimum expected count is 10,97.

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otrzymano: 2012-02-20
zaakceptowano do druku: 2012-03-12

Adres do korespondencji:
*Mariann Csernus Raskovicsné
Semmelweis University, Faculty of Health Science
Vas street 17, 1088 Budapest, Hungary
tel.: 06(1)-486-5937

New Medicine 1/2012
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