Effectiveness of the Maguerez Arch in nursing teaching on vesical catheterism: an almost experimental study

Eficacia del Arco de Maguerez en la enseñanza de enfermería en cateterismo vesical: un estudio casi-experimental

ABSTRACT

Objective

To evaluate the effectiveness of the Arco de Maguerez in teaching nursing students about the Bladder Catheter.

Method

Quasi-experimental study conducted at a public university in northeastern Brazil, with 29 students, in a single group, in the period of october 2018. Data were collected before and after using the Arco de Maguerez in educational intervention, using validated instruments, referring to knowledge and practice. IBM SPSS Statistics software version 24 was used for statistical analysis. The level of significance was set at 5% and the 95% confidence interval. Data analysis was performed using the McNemar and Mann-Whitney test.

Results

The median of correct answers for knowledge was 7, in the pre-test, and 9 in the post-test (p> 0.001). Regarding practice, in the pre-test the median of correct answers was 28 and, in the post-test, it went to 36, p> 0.001. The academics explained that the AM technology based on the problematization of a fictitious clinical case made learning about Bladder Catheterization Delay clear and feasible.

Conclusion

The Arco de Maguerez was effective in improving the knowledge and skill of nursing students regarding the Bladder Catheter.

Keywords
Nursing; Urinary catheterization; Students nursing; Teaching materials; Educational technology

RESUMEN

Objetivo

Evaluar la efectividad del Arco de Maguerez para enseñar a los estudiantes de enfermería sobre el cateter vesical.

Método

Estudio cuasiexperimental realizado en una universidad pública del noreste de Brasil, con 29 estudiantes, en un solo grupo, en el período de octubre de 2018. Los datos se recopilaron antes y después de usar el Arco de Maguerez en la intervención educativa, utilizando instrumentos validados, en referencia al conocimiento y la práctica. Para el análisis estadístico se utilizó el software IBM SPSS Statistics versión 24. El nivel de significancia se estableció en el 5% y el intervalo de confianza del 95%. El análisis de los datos se realizó mediante la prueba de McNemar y Mann-Whitney.

Resultados

La mediana de las respuestas correctas para el conocimiento fue 7, en la prueba previa y 9 en la prueba posterior (p> 0.001). En cuanto a la práctica, en la prueba previa la mediana de las respuestas correctas fue 28 y, en la prueba posterior, fue a 36, p> 0.001. Los académicos explicaron que la tecnología AM basada en la problematización de un caso clínico ficticio hizo que el aprendizaje sobre el Retardo de Cateterización de la Vejiga fuera claro y factible.

Conclusión

El Arco de Maguerez fue eficaz para mejorar el conocimiento y la habilidad de los estudiantes de enfermería con respecto al cateter vesical.

Palabras clave
Enfermería; Cateterismo urinario; Estudiantes de enfermeria; Materiales de enseñanza; Tecnología educacional

RESUMO

Objetivo

Avaliar a efetividade do Arco de Maguerez no ensino de acadêmicos de enfermagem sobre o Cateter Vesical de Demora.

Método

Estudo quase-experimental realizado em universidade pública no nordeste brasileiro, com 29 discentes, em grupo único, no período de outubro de 2018. Os dados foram coletados antes e depois da utilização do Arco de Maguerez em intervenção educativa, a partir de instrumentos validados, referentes ao conhecimento e prática. Foi utilizado o software IBM SPSS Statistics versão 24 para análise estatística. O nível de significância adotado foi de 5% e o intervalo de confiança de 95%. A análise dos dados ocorreu a partir do teste de McNemar e Mann-Whitney.

Resultados

A mediana de acertos do conhecimento foi de 7, no pré-teste, e 9 no pós-teste (p>0,001). Em relação à prática, no pré-teste a mediana de acertos foi de 28 e, no pós-teste, passou para 36, p>0,001. Os acadêmicos expuseram que a tecnologia do AM baseada na problematização de caso clínico fictício tornou o aprendizado sobre Cateterismo Vesical de Demora claro e factível.

Conclusão

O Arco de Maguerez foi efetivo para melhorar o conhecimento e a habilidade dos acadêmicos de enfermagem, referentes ao Cateterismo Vesical de Demora.

Palavras-chave
Enfermagem; Cateterismo urinário; Estudantes de enfermagem; Materiais de ensino; Tecnologia educacional

INTRODUCTION

The indwelling urinary catheter (IUC) is one of the most commonly used invasive devices in health care. It is indicated for patients with urinary incontinence or retention and it is used for measuring diuresis, collecting urine samples, and for irrigating or administering medication into the bladder1.

The rate of IUC usage in critical hospitalized patients in France is 12%2. In Brazil, studies indicate that, in critical care such as intensive care, the catheter is used in more than 90% of patients, of which 13% remain with the device for more than 30 days3.

The correct insertion of the IUC is relevant since faults can cause contamination of the bladder by microorganisms4. Thus, nurses who insert and handle IUCs must know the indications of use, risks, and benefits, and they must be skilled in the procedure5.

Therefore, bladder catheterization training during undergraduate studies is critical and directly influences the quality of professional care and safe patient care. In this regard, Brazilian studies show satisfactory theoretical knowledge in 62.1% of nursing students6 and correct insertion of IUC in 59.3% of students7, which stresses the importance of investments in training for this procedure during undergraduate studies to improve these indicators.

The teaching that precedes the actual practice of IUC increases the knowledge and confidence of students8, however, the chosen learning strategy should focus on scientific results to support IUC training with evidence-based practice. In higher education, professors are encouraged to rethink their practice and replace traditional teaching methods with more specific methodologies, especially due to the characteristics of the adult student9. One of the most effective strategies for health education and a possible target of research is problem-based learning through the arc of Maguerez (AM) method.

This active methodology integrates the contextualization of the reality to be discussed and the creation of a solution plan from the collective practice and joint decision-making among the students, culminating in the construction of feasible strategies for solving or improving the problem-situation10. In this regard, the AM is configured as a problem-based learning method since the contents constructed by students must be adapted to their previous cognitive structure in order to discover relationships, laws, or concepts necessary for their learning11.

In terms of ensuring student autonomy and co-accountability in the learning process10, the AM is considered a strategy that allows students to reflect through the observation of reality, build the knowledge they need to solve these problems, and, thus, transform the teaching-learning process on IUC.

The extensive use of IUC supports the relevance of knowledge and practice on the part of nursing students regarding this procedure. Furthermore, problem-based learning with AM has proved effective for teaching various topics in nursing, which further supports the need to study the effectiveness of AM and the practice of nursing students regarding IUC.

Therefore, the research question was, "is the Maguerez arc effective in teaching nursing students about the indwelling urinary catheter?”. By the end of study follow-up, it is believed that the theory and practice knowledge on IUC of the students who participated in the educational intervention with the active learning method based on AM should have improved.

Therefore, the results of this study may contribute to the decision-making of professionals involved in nursing training and IUC training. This study aimed to evaluate the effectiveness of the Maguerez arc in teaching nursing students about indwelling urinary catheter (IUC).

METHOD

This is a quasi-experimental study with a before-and-after design, in which all groups are exposed to the intervention. Thus, the individual is his or her own control. It was conducted at a public higher education institution (IES) in the state of Ceará, Brazil, in October 2018, during the adult life academic module taught in the fourth semester of the undergraduate program, with 160 classroom hours. In this module, students can learn the IUC technique for the first time in the nursing course.

The target population was students enrolled in this module, totaling 29 students. The inclusion criterion was students regularly enrolled in the course and the exclusion criterion was students who had not attended the educational intervention or who had not participated in all stages of the intervention. The final sample consisted of 29 students. Sampling was intentional and non-probabilistic and there was no sample calculation since the entire target population participated in the study.

Data were collected in the three following stages: I - theory and practice pre-tests; II - learning based on the Maguerez arc, with problem-based learning; III - theory and practice post-tests, as shown in Figure 1.

Figure 1 -
Stages of the educational intervention based on the arc of Maguerez framework. Sobral, CE, 2019

All stages took place in a private room at the university, except for the practice tests, which took place in the skills laboratory, according to student availability and outside classroom hours so as not to interrupt the students' attendance in curricular activities. Application of the instruments did not influence student evaluations in the module since this educational intervention was considered an extra moment of the module and student participation was not mandatory.

At the first session, the objective of the teaching strategy was presented and informed consent was obtained. Subsequently, the theory and practice tests were applied. For the theory evaluation, all students sat at desks in rows and were asked to answer the test questions at the same time. For this stage, a knowledge instrument built and validated by Balduino12 was used, containing 12 closed-end, multiple-choice questions on indwelling urinary catheterization with five alternatives each, of which only one was correct.

Immediately after the theory pre-test, the students underwent a practice evaluation consisting of a structured checklist script also constructed and validated by Balduino12. The checklist contained 36 items divided into the following two blocks: initial observations, regarding the steps that precede insertion of indwelling urinary catheter (with eight steps) and insertion procedure of indwelling urinary catheter (with 31 steps), corresponding to the step-by-step process to correctly perform the procedure.

For the practice test, all the students were asked to go individually to the nursing laboratory of the institution. Upon entering the laboratory, the participant was asked to insert the indwelling urinary catheter into the dummy. Moreover, the student had to choose the necessary materials arranged near the patient's bed before initiating passage of the probe. The procedure performed by the students was observed by three professors, with experience in teaching the procedure, who separately completed the checklist mentioned above.

One day after the pre-test, the students participated in the educational intervention based on the Maguerez arc method, in which a clinical case from a contextualized story about urinary dysfunction was presented to elicit possible conducts to solve the problems described, regarding insertion of IUC. The arc of Charles Maguerez for problem-based learning, which consists of five stages (observation of reality and definition of a problem, key points, theorization, solution hypotheses, and application to reality)10, was applied for IUC, as shown in Chart 1.

Chart 1 -
Synthesis of the Maguerez arc used to teach indwelling urinary catheterization. Sobral, CE, Brazil, 2019

Stage	Objectives	Activities performed
Observation of reality and definition of a problem	Approaching the theme and identifying problems.	- Contact of students with reality similar to clinical practice, from clinical case. - Clinical, critical, and holistic observation of the case in question. - Identifying the problem about diuresis.
Key points	Reflecting on the identified problems and defining the key points for research.	- Group discussion on the case. - Identifying the main problems related to urinary changes. - Recognizing care needs.
Theorization	Investigating each key point, finding reliable information, and analyzing it to solve the problems.	- Contact of students with the scientific literature, from available scientific articles. - Discussion on the topic among students.
Solution hypotheses	Suggesting interventions to solve or reduce the damage of the problems for patients.	- Suggesting nursing interventions. - Reflecting on health promotion actions and active participation of the patient in care.
Application to reality	Expected return based on practice applied to reality.	- Practice and record of indwelling urinary catheterization. - Presentation of the expected results in practice based on the proposed nursing interventions. - Socialization of constructed knowledge, in talk session.

• Source: Authors, 2020.

The class was informed of the stages of the Maguerez arc, after which it was divided into six groups using a draw and each group sat at desks in different corners of the room to read the clinical case.

The initial stage, the observation of reality, enabled the students to reflect critically on the clinical history of the case. Thereafter, each group was given instructions and asked to survey the key points based on their thoughts regarding the problems present in the clinical case.

In the following stage, theorization, the students searched for additional information on the identified problem in the scientific literature, from the scientific articles that were made available to them. Then, the students were informed to continue searching for information and list hypotheses of the solution. In the application to reality stage, the groups were shown to the skills laboratory, where they individually performed the IUC procedure, followed by a talk session, where they presented the knowledge obtained and described the expected results based on the interventions that were previously suggested.

The third and last stage of the study, consisting of the post-tests, occurred shortly after the students completed the intervention with the Maguerez arc. It is noteworthy that the theory and practice post-tests occurred in a similar way, in the same places and with the same instruments as in the pre-tests.

The data were entered into Excel spreadsheets and processed using SPSS (Statistical Package for the Social Sciences) software, version 24, for statistical analysis. Categorical variables were analyzed from absolute and percentage frequencies. Non-adherence to the normality of continuous data was confirmed with the Kolmogorov-Smirnov test.

Correct general knowledge and skill answers were analyzed using the median with respective interquartile ranges 25% and 75% and submitted to the Mann-Whitney test to compare the correct answer medians. Data of the theory and practice evaluations, per item, were submitted to the McNemar test to verify the change in status between the pre- and post-tests. The significance level adopted in all tests was 5% and the confidence interval was 95%.

The study was approved by the Research Ethics Committee of Vale do Acaraú State University (opinion: 2.806.678) on August 08, 2018, after compliance with resolution #466/2012 of the National Health Council.

RESULTS

Most of the 29 students evaluated were female (75%), with a minimum age of 19 years and a maximum of 27 years, and a mean age of 20.10 (± 1.67) years. Regarding contact with the subject, 78.5% confirmed having had previous contact with the subject of urinary disorders in the classes of physiology applied to nursing.

Figure 2 shows the results of the stages of the Maguerez arc developed as a reference for the applied educational intervention.

Figure 2 -
Stages for use of the Maguerez arc as an educational intervention.

In the stage of reality observation stage, after critical analysis of the proposed situation, the six groups of students were able to identify the problem of the clinical case based on the nursing interventions required for the presented urinary disorder. They subsequently listed key points, such as clinical signs and symptoms of the fictitious patient and their correlation with nursing diagnoses, and identified the necessary interventions to achieve the expected results. They also determined whether there was a clinical indication for the choice of IUC to relieve water retention, care required before and after the procedure, and the correct guidelines for patients.

In the theorization stage, they associated the clinical case with the scientific literature and substantiated its key points in the research, which promoted evidence-based practice from the systematization of nursing care. During the solution hypothesis, the students presented care such as anamnesis and physical examination to learn about the patient's clinical history, guidelines on the procedure, and nursing record as fundamental care before and after IUC.

Thereafter, all the students participated in a talk session to present their synthesis of discussions and solutions for the clinical case proposed in the Maguerez arc. Finally, after simulating insertion of the IUC in a dummy, the students reported being satisfied with the educational strategy since it aroused their interest in learning about and solving the clinical case and showed them the relationship between theory and practice associated with bladder catheterization.

Regarding knowledge, the pre-test resulted in a median of 7 correct scores (IQ = 5-8), while in the post-test, the median was 9 (IQ = 8-10). Therefore, significance was observed in the increased mean of correct theory scores (p>0.001). Table 1 shows the correct score rates of each question in the applied questionnaire.

Table 1 -
Correct scores in each item of the questionnaire used to evaluate the theoretical knowledge of students regarding indwelling urinary catheterization, Sobral, CE, Brazil, 2019

Questions	Pre-test n(%)	Post-test n(%)	p-value*
1. Selection of materials required for IUC	24 (82.8%)	26 (89.7%)	0.500
2. Preparation of the environment and materials before starting IUC	18 (62.1%)	19 (65%)	1.000
3. Correct sequence of the IUC technique	6 (20.7%)	17 (58.6%)	0.001
4. First step to avoiding UTI	25 (86.2%)	24 (82.8%)	1.000
5. Patient preparation for IUC	22 (75.9%)	23(79.3%)	1.000
6. Criteria for switching probes	1 (3.4%)	6 (20.7%)	0.125
7. Care of materials for catheterization	18 (62%)	27 (93.1%)	0.120
8. Correct sequence of penis cleansing	13 (44.8%)	18 (62.1%)	0.180
9. Material handling during IUC	8 (27.6%)	27(93.1%)	<0.001
10. Positioning of the penis during catheter insertion	7 (24.1%)	27(93.1%)	<0.001
11. Care in completion/fixation of the IUC	7 (24.1%)	21(72.4%)	0.004
12. Care after passage of IUC	28 (96.6%)	27(93.1%)	1.000

• Source: Authors, 2020.
• * McNemar test.

Regarding observation of the practice, in the pre-test, the median was 28 correct scores (IQ = 18-31) and in the post-test, the median was 36 (IQ = 32-38), indicating a significance in the increased mean of the correct practice scores (p>0.001). To facilitate understanding of the data, the skills of nursing students were subdivided in relation to material preparation, procedure execution, and post-IUC care.

Regarding preparation of the material, an improvement in the student's practice was observed regarding checking the prescription, performing hand sanitization, and preparing the necessary material before starting bladder catheterization (Table 2).

Table 2 -
Correct practice scores of nursing students for indwelling urinary catheterization in relation to material preparation, based on observation, Sobral, CE, Brazil, 2019

Questions	Pre-test n(%)	Post-test n(%)	p-value*
1. Checked prescription with IUC	11 (37.9%)	21 (72.4%)	0.031
2. Sanitized hands	16 (55.2%)	29 (100%)	<0.001
3. Identified and evaluated the user	26 (89.7%)	29 (100%)	0.250
4. Identified himself or herself to patient	27 (93.1%)	28 (96.6%)	1.000
5. Provides guidelines to patient about the procedure	27 (93.1%)	28 (96.6%)	1.000
6. Obtained patient consent	28 (96.6%)	28 (96.6%)	1.000
7. Prepared the necessary material	19 (65.5%)	29 (100%)	0.002
8. Ensured privacy	28 (96.6%)	28 (96.6%)	1.000

• Source: Authors, 2020.
• * McNemar test.

Regarding observation of procedure execution for the 27 evaluated items, an increase in the correct scores was observed for all students, with statistical significance in 17 and unanimity of correct scores in 7 (Table 3).

Table 3 -
Correct practice scores of nursing students for indwelling urinary catheterization in relation to procedure execution, based on observation, Sobral, CE, Brazil, 2019

Questions	Pre-test n(%)	Post-test n(%)	p-value*
1. Positioned the patient	6 (20.7%)	12 (41.4%)	0.146
2. Put on procedure gloves	2 (6.9%)	27 (93.1%)	<0.001
3. Performed intimate hygiene	22 (75.9%)	24 (82.8%)	0.754
4. Took off the gloves	22 (75.9%)	22 (75.9%)	1
5. Sanitized hands	23 (79.3%)	23 (79.3%)	1
6. Placed the tray next to the patient	13 (44.8%)	24 (82.8%)	0.019
7. Correctly opened catheterization material and other materials	16 (55.2%)	29 (100%)	<0.001
8. Placed the catheter inside the tray	10 (34.5%)	27 (93.1%)	<0.001
9. Placed antiseptic in round tub or gauze	17 (58.6%)	27 (93.1%)	0.013
10. Put on sterile gloves	19 (65.5%)	29 (100%)	0.002
11. Tested the catheter balloon	21 (72.4%)	29 (100%)	0.008
12. Connected the catheter to the collecting bag	17 (58.6%)	29 (100%)	<0.001
13. Prepared anesthetic/lubricant gel.	14 (48.3%)	27 (93.1%)	0.001
14. Prepared ampoule of distilled water	20 (69%)	26 (89.7%)	0.109
15. Performed antisepsis	21 (72.4%)	26 (89.7%)	0.180
16. Correctly disposed of used gauze	11 (37.9%)	28 (96.6%)	<0.001
17. Placed fenestrated drape	22 (75.9%)	27 (93.1%)	0.180
18. Replaced possibly contaminated material	11 (37.9%)	20 (69%)	0.049
19. Injected anesthetic gel/lubricant into the patient's urethral meatus	18 (62.1%)	26 (89.7%)	0.039
20. Inserted catheter into urinary meatus after positioning the penis correctly	15 (51.7%)	22 (75.9%)	0.118
21. Inflated balloon with distilled water	15 (51.7%)	29 (100%)	<0.001
22. Positioned non-dominant hand correctly during the procedure	20 (69%)	29 (100%)	0.004
23. Gently pulled the probe until it reached the bladder neck	20 (69%)	29 (100%)	0.004
24. Did not contaminate material during the procedure	19 (65.5%)	26 (89.7%)	0.065
25. Removed the fenestrated drape	12 (41.4%)	15 (51.7%)	0.664
26. Fastened the catheter to the supra-pubic region	18 (62.1%)	26 (89.7%)	0.039
27. Positioned the collecting bag correctly	21 (72.4%)	28 (96.6%)	0.039

• Source: Authors, 2020.
• * McNemar test.

Regarding care after catheter insertion, improvements were observed in the practice in relation to guidelines for catheter care and hand hygiene (p>0.001) (Table 4).

Table 4 -
Correct practice scores of nursing students for indwelling urinary catheterization in relation to care after catheter insertion, based on observation, Sobral, CE, Brazil, 2019

Questions	Pre-test n(%)	Post-test n(%)	p-value*
1. Provided catheter care guidelines	23 (79.3%)	29 (100%)	0.031
2. Ensured the patient was comfortable, disposed of material	19 (65.5%)	23 (79.3%)	0.424
3. Sanitized hands	8 (27.6%)	23 (79.3%)	<0.001
4. Recorded the procedure	12 (41.4%)	20 (69%)	0.096

• Source: Authors, 2020.
• * McNemar test.

In addition to the significant increase in the medians of correct theory and practice scores, as observed in the tables above, a significant increase of correct scores was observed in 22 of the 36 observed skill items.

DISCUSSION

Safe and effective nursing practice depends on knowledge and skills, which must be acquired and improved during the education and training period. According to a mixed-method study conducted in India in 2017 that reviewed academic curricula in 78 educational institutions, patient safety was not included in all the planned content of any of the reviewed curricula13.

Student training involves a complex system with numerous variables that cover different teaching practices, diversity of content, permanent reflection on the information of reality, and problematization of the work method. The creators of teaching policies stress the need to re-evaluate curricula, incorporate patient safety, and develop specific competencies14.

Further studies should be conducted on innovative teaching methodologies that stimulate the understanding of theory and practice content and contribute to the development of knowledge and appropriate practices in health care. Moreover, enhancing the training of nursing students with these methodologies on subjects involving the pillars of patient safety will enable a better experience in the curricular stages and reduce adverse events15.

Therefore, research on nursing procedures should be conducted to consolidate theory and practice knowledge for effective and quality nursing care.

In this regard, students must seek to build their own knowledge. Several education-based technologies that promote learning are available. Educational technology does not merely involve the use of means but provides information for students and professors to construct and reconstruct knowledge. The arc of Maguerez used in this study is one of these technologies since it promotes problem-based teaching and learning16.

Another quasi-experimental single-group study conducted in Minas Gerais with 95 nurses to teach pressure injury based on the methodological framework of Charles Maguerez's arc showed that the educational intervention improved the knowledge of the nurses and the problem-based approach favored applicability of the learned concepts17.

Regarding the theory test of the students, the questions that showed significant improvements of correct scores were handling of materials during the procedure, positioning of the penis for catheter insertion, and completion of the IUC.

According to a similar study conducted with students in the seventh and eighth periods of a nursing course in Minas Gerais, Brazil, the knowledge of IUC improved among students who were trained using active methodologies. Furthermore, the results consolidate the findings of this study since higher averages for material handling, with 89.70% of correct answers, and completion of the procedure, with 65.5% of correct answers, were also observed6.

Performing the technique in the correct sequence is one of the most important aspects of the procedure. However, students find it difficult to improve their skills in this technique during internships18. In the present study, the methodology used obtained positive results for the item on the correct sequence of IUC, with significant difference and improvements in the post-test.

According to a study conducted in the United States with 13 students, the limitations to understanding the correct sequence of the procedure are divergence of information in the literature and the fact that some professors are updated on this practice and others are not. The study further reveals that information in student education and evaluations should be standardized19.

In the analysis of practice knowledge regarding preparation of the material, a significant improvement was observed in the items checking prescription, hand hygiene, and preparation of the necessary material.

Checking the prescription is a relevant assignment of nurses since it supports performance of the procedure and confirms that the patient will benefit from the use of the catheter; however, limitations are observed regarding this nursing practice in studies6^,18^-19 in terms of knowledge and skills of students and nursing professionals regarding IUC.

Hand hygiene is a critical step for the prevention of infections and this item obtained positive averages in terms of knowledge of this practice among the students. In contrast, in a study conducted in Maranhão, Brazil, on IUC, the nurses did not performed hand hygiene in 57% of the procedures19.

An observational study conducted in an adult intensive care unit in Minas Gerais, Brazil, showed an overall adherence rate to hand hygiene before and after handling the bladder catheter of 5.8% and 33.5%, respectively (p=0.002)20.

The item about preparation of materials asked which hospital elements are required to carry out the procedure, to which most students chose the correct alternative in the post-test. Another study also obtained satisfactory results, with 89.70% correct answers regarding the students' knowledge of the necessary materials6.

The results of the questions on execution of the procedure obtained important statistical differences before and after the adopted educational methodology, especially for the items putting on procedure gloves; placing tray close to the patient; correctly opening the catheterization material and other materials; placing catheter inside the tray; placing antiseptic in the round tub or gauze; putting on sterile gloves; testing the catheter balloon; connecting the catheter to the collecting bag; preparing the lubricating gel; anesthetic in the urethral meatus; inflating the balloon; positioning of the hands during the procedure and pulling the probe.

According to a clinical study conducted in China with 26 nursing students in the control and intervention groups to evaluate the effect of a simulation-based educational methodology on improving understanding and skills for IUC revealed no significant difference in theory knowledge; however, the results showed significant improvements in clinical skills in the group with simulation-based learning21.

A study conducted in Rio Grande do Sul revealed deficiencies in the knowledge and ability of nursing students, especially from the first semesters, in semiology practices, including IUC, and further showed that active learning methodologies provide teaching-learning process situations that continuously manage the construction, deconstruction, and reconstruction of knowledge22.

In general, significant improvements were observed among the students in the skills needed to perform the procedure. A randomized study conducted in South Korea showed that an active methodology is useful for teaching clinical skills to nursing students. In addition, it was effective in improving motivation and confidence during the practice of IUC23.

With regard to post-IUC care, the questions with the best differences between pre-and post-test were related to the patient guidelines on catheter care and hand hygiene after the procedure.

According to a study conducted in Maranhão, Brazil, with nursing professionals on IUC, in 53 (95%) procedures, the nurses did not provide patient guidelines appropriately although this task is among the duties of nurses, as provided for in the Code of Ethics for Nurses.

An integrative literature review carried out with twelve articles on effective measures to avoid UTI reinforced patient health education on catheter-related care as a strategy to reduce infections and reduce hospital costs6. Therefore, this topic must be more extensively addressed when teaching nursing students about IUC to ensure they understand the risks and benefits of its use, according to the literature, for improving the evidence-based practice.

Nursing records are the legal support of professional nurses and ensure the continuity of nursing care provided to patients.

IUC is an invasive procedure that requires adequate training for correct execution and, although many consider it a simple process, it is associated with several complications to patients.

In the academy, nursing students often exhibit stress and anxiety when faced with this procedure due to the sterile technique and the correct sequence of the steps required for the procedure7.

Thus, teaching and learning must ensure a participatory and shared experience that allows students to practice the knowledge acquired. The problem-based methodology with clinical cases adopted herein and mediated by the arc of Maguerez contributed with discussions on the stages of indwelling urinary catheterization and the level of knowledge and skills of nursing students.

In addition, the results of this study may serve as a basis for improving the application of dynamic and effective teaching methodologies in the training of critical nursing professionals with practical skills supported by scientific evidence.

The limitations of the study include the short time interval between the educational intervention and the post-test and the absence of a true control group since it was represented by the participant himself. Moreover, it was not possible to verify how the variables analyzed would behave in longer intervals and in another group. Because it is the first contact with the practice of IUC, it can also be inferred that the data obtained are the effects of a common educational intervention.

CONCLUSION

Based on the findings of this study, it can be inferred that the knowledge and skills of the students improved after the educational intervention.

With regard to knowledge, the median of correct scores increased from 7 to 9, with significance (p>0.001). A separate analysis of each question revealed that, of the 12 items, four (checking the prescription, performing hand sanitization, and preparing the material before starting the procedure) showed an increase in correct scores with statistical significance.

In terms of skills, the median of correct scores increased from 28 to 36, with statistical significance (p>0.001). A separate analysis of each item revealed that, of the 39 items, 22 showed improvements, including prior hand hygiene, ensuring privacy, positioning the user, correct opening of catheterization material and other materials, performing antisepsis, introducing the catheter into the urinary meatus after positioning the penis correctly, and recording the procedure in the patient's medical record.

Further studies should be conducted with designs that produce strong evidence (randomized controlled trials and meta-analyses) related to the theory and practice knowledge of IUC. Moreover, future studies can compare the use of the Maguerez arc with other teaching strategies and investigate longer time intervals between intervention and post-test.

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Publication Dates

• Publication in this collection
  16 July 2021
• Date of issue
  2021

History

• Received
  23 Apr 2020
• Accepted
  12 Nov 2020