[Benefits of mindfulness in pregnant women]. / Beneficios del mindfulness en mujeres embarazadas.

This article is intended to review the effect of mindfulness-based interventions on perinatal mental health. A search of the literature published until September 2019 in the Web of Science (WOS) database was carried out. Taking into account the inclusion and exclusion criteria and after reading the title and abstracts of the articles found, 26 of them have been selected. Finally we only analyzed randomized controlled trials (RCTs) that show data on anxiety, depression, perceived stress and mindfulness before and after intervention and with follow-up data. The results found show that mindfulness-based interventions (IBMs) are more effective than the usual healthcare (TAU) that pregnant women receive for the reduction of depressive, anxious and perceived stress symptoms as well as increasing their postintervention mindfulness levels. For future research, a postpartum follow-up would be considered interesting taking into account variables such as the quality of the mother-baby attachment, adherence to breastfeeding and the evolutionary development of the newborn.

Este trabajo tiene el propósito de revisar el efecto de las intervenciones basadas en mindfulness sobre la salud mental perinatal. Se efectuó una búsqueda de la literatura publicada hasta septiembre 2019 en la base de datos Web of Science (WOS). Teniendo en cuenta los criterios de inclusión y exclusión y después de leer el título y abstracts de los artículos encontrados, se han seleccionado 26 de ellos, de los que se han escogido solo ocho por tratarse de ensayos controlados y aleatorizados (RCTs) que estudian datos de ansiedad, depresión, estrés percibido y mindfulness pre y post-intervención y con datos de seguimiento. Los resultados encontrados muestran que las intervenciones basadas en mindfulness (IBMs) son más eficaces que la asistencia sanitaria habitual (TAU) para la mujer embarazada a la hora de reducir la sintomatología depresiva, ansiosa y estrés percibido e incrementar sus niveles de mindfulness post-intervención. Para futuras investigaciones se consideraría interesante realizar el seguimiento de estas variables en el posparto e incluir otras como la calidad del vínculo madre-bebé, la adherencia a la lactancia materna y el desarrollo evolutivo del recién nacido.

Beneficios del mindfulness en mujeres embarazadas / Benefits of mindfulness in pregnant women

Este trabajo tiene el propósito de revisar el efecto de las intervenciones basadas en mindfulness sobre la salud mental perinatal. Se efectuó una búsqueda de la literatura publicada hasta septiembre 2019 en la base de datos Web of Science (WOS). Teniendo en cuenta los criterios de inclusión y exclusión y después de leer el título y abstracts de los artículos encontrados, se han seleccionado 26 de ellos, de los que se han escogido solo ocho por tratarse de ensayos controlados y aleatorizados (RCTs) que estudian datos de ansiedad, depresión, estrés percibido y mindfulness pre y post-intervención y con datos de seguimiento. Los resultados encontrados muestran que las intervenciones basadas en mindfulness (IBMs) son más eficaces que la asistencia sanitaria habitual (TAU) para la mujer embarazada a la hora de reducir la sintomatología depresiva, ansiosa y estrés percibido e incrementar sus niveles de mindfulness post-intervención. Para futuras investigaciones se consideraría interesante realizar el seguimiento de estas variables en el posparto e incluir otras como la calidad del vínculo madre-bebé, la adherencia a la lactancia materna y el desarrollo evolutivo del recién nacido.

This article is intended to review the effect of mindfulness-based interventions on perinatal mental health. A search of the literature published until September 2019 in the Web of Science (WOS) database was carried out. Taking into account the inclusion and exclusion criteria and after reading the title and abstracts of the articles found, 26 of them have been selected. Finally we only analyzed randomized controlled trials (RCTs) that show data on anxiety, depression, perceived stress and mindfulness before and after intervention and with follow-up data. The results found show that mindfulness-based interventions (IBMs) are more effective than the usual healthcare (TAU) that pregnant women receive for the reduction of depressive, anxious and perceived stress symptoms as well as increasing their post-intervention mindfulness levels. For future research, a postpartum follow-up would be considered interesting taking into account variables such as the quality of the mother-baby attachment, adherence to breastfeeding and the evolutionary development of the newborn.

Longitudinal associations of callous-unemotional and oppositional defiant behaviors over a three-year interval for Spanish children.

The objective was to determine the longitudinal associations between callous-unemotional (CU) and oppositional defiant (OD) behaviors from the first to fourth grades for Spanish children. Four possible outcomes were evaluated: (a) CU behaviors in the first grade predict increases in OD behaviors in the fourth grade, controlling for OD behaviors in the first grade; (b) OD behaviors in the first grade predict increases in CU behaviors in the fourth grade, controlling for CU behaviors in the first grade; (c) both unique effects are significant; and (d) neither unique effect is significant. A longitudinal panel model with two latent variables (CU and OD behaviors), three sources (mothers, fathers, teachers), and two occasions (spring of the first and fourth grades) was used to evaluate the four possibilities among 758 (54% boys) first grade and 469 (53% boys) fourth grade Spanish children. For mother-, father-, and teacher-reports, OD behaviors in the first grade predicted increases in CU behaviors in the fourth grade, after controlling for CU behaviors in the first grade, whereas CU behaviors in the first grade did not predict increases in OD behaviors in the fourth grade, after controlling for OD behaviors in the first grade. OD behaviors thus conferred independent vulnerability to increases in CU behaviors 3 years later among young children.

The Role of Neuroticism in Predicting Psychological Harassment in Nursing: A Longitudinal Study.

Psychological harassment is a serious occupational risk for nurses, but little is known about its related factors and possible predictors. The objective of the present study was to investigate whether nursing students' neuroticism trait and coping styles can predict psychological harassment at work when they later become nurses. A non-experimental, longitudinal, three-wave prospective study with a time lag of 6 years was carried out, following nursing students from three Spanish universities until they joined the health labor market. The age range of the sample was 20⁻48 years, and the mean age was 26.99 ± 5.72; the majority of the sample were women (88.5%). Predictor variables were neuroticism and coping styles (emotional and behavioral coping). The criterion variable was psychological harassment. To examine the model fit between the predictor and criterion variables, we conducted structural equation modelling. Results confirmed a high correlation between neuroticism and psychological harassment. In addition, a direct effect of neuroticism on psychological harassment was found; however, emotional and behavioral coping styles did not show a good fit. Proactive interventions to improve emotional self-control are needed in order to prevent negative effects of psychological harassment at work on nurses.

Consistency of Limited Prosocial Emotions Across Occasions, Sources, and Settings: Trait- or State-Like Construct in a Young Community Sample?

Limited prosocial emotions (LPE, also referred to as callous-unemotional [CU] traits) are considered to reflect a more trait- than state-like construct. Our first objective was to determine the amount true score variance in CU/LPE that was consistent (trait consistency) over two occasions (12-month interval) of measurement versus specific (occasion-specificity) to each occasion. Our second objective was to determine the convergent validity of the consistent (trait) and occasion-specific (state) variance in CU/LPE symptom ratings within and across settings. Mothers, fathers, primary teachers, and ancillary teachers rated the CU/LPE symptoms in sample of 811 Spanish children (55% boys) on two occasions (i.e., end of first and second grades). CU/LPE symptom ratings showed more trait consistency than occasion-specificity for mothers and fathers, slightly more occasion-specificity than trait consistency for primary teachers, and much more occasion-specificity than trait consistency for ancillary teachers. Convergent validity for trait consistency was strong for fathers with mothers but weaker for primary with ancillary teachers. There was essentially no convergent validity for either trait consistency or occasion-specificity across home and school settings. CU/LPE symptom ratings within this age range represented a more trait-like construct for mothers and fathers and more state-like construct for primary teachers and ancillary teachers. In contrast, earlier studies showed ADHD and ODD ratings to be trait-like within and across home and school. The study of CU/LPE in young children should therefore include multiple sources in multiple settings across occasions to better understand the consistent and occasion-specific nature of the CU/LPE construct.

Evaluation of a four-item DSM-5 Limited Prosocial Emotions specifier scale within and across settings with Spanish children.

The objective was to evaluate a 4-item measure of the DSM-5 Limited Prosocial Emotions (LPE) specifier (a 4-item measure of prosocial emotions). Mothers, fathers, primary teachers, and ancillary teachers completed measures of prosocial emotions (PE), oppositional defiant disorder (ODD), attention-deficit/hyperactivity disorder (ADHD)-inattention (IN), ADHD-hyperactivity/impulsivity (HI), academic and social impairment on 811 Spanish first-grade children (46% girls). Confirmatory factor and structural regression analyses showed PE symptom scores to have (a) good reliability for the 4 sources (80% to 89% true score variance), (b) invariance of like-symptom loadings and intercepts across the 4 sources, (c) strong convergent and discriminant validity within home and school settings, (d) no convergent validity across settings, and (e) associations with academic and social impairment independent of the ODD dimension (the unique effects of PE also remained significant after controlling for ODD, ADHD-IN, and ADHD-HI for mothers and ancillary teachers). A graded response item response theory analysis indicated that PE scores provided an accurate measure of the PE trait across a wide trait range and especially at low PE trait levels (i.e., scores in the clinical range). Findings also supported the DSM-5 diagnostic criteria of 2 or more LPE symptoms in 2 or more settings (e.g., high levels of the LPE trait were associated with the occurrence of 2 or more symptoms with 4% of the sample showing 2 or more symptoms in both settings). Although additional studies are still required, the PE measure appears useful as a brief measure of the LPE specifier. (PsycINFO Database Record

Sluggish cognitive tempo and attention-deficit/hyperactivity disorder (ADHD) inattention in the home and school contexts: Parent and teacher invariance and cross-setting validity.

This study examined whether sluggish cognitive tempo (SCT) and attention-deficit/hyperactivity disorder (ADHD) inattention (IN) symptoms demonstrated cross-setting invariance and unique associations with symptom and impairment dimensions across settings (i.e., home SCT and ADHD-IN uniquely predicting school symptom and impairment dimensions, and vice versa). Mothers, fathers, primary teachers, and secondary teachers rated SCT, ADHD-IN, ADHD-hyperactivity/impulsivity (HI), oppositional defiant disorder (ODD), anxiety, depression, academic impairment, social impairment, and peer rejection dimensions for 585 Spanish 3rd-grade children (53% boys). Within-setting (i.e., mothers, fathers; primary, secondary teachers) and cross-settings (i.e., home, school) invariance was found for both SCT and ADHD-IN. From home to school, higher levels of home SCT predicted lower levels of school ADHD-HI and higher levels of school academic impairment after controlling for home ADHD-IN, whereas higher levels of home ADHD-IN predicted higher levels of school ADHD-HI, ODD, anxiety, depression, academic impairment, and peer rejection after controlling for home SCT. From school to home, higher levels of school SCT predicted lower levels of home ADHD-HI and ODD and higher levels of home anxiety, depression, academic impairment, and social impairment after controlling for school ADHD-IN, whereas higher levels of school ADHD-IN predicted higher levels of home ADHD-HI, ODD, and academic impairment after controlling for school SCT. Although SCT at home and school was able to uniquely predict symptom and impairment dimensions in the other setting, SCT at school was a better predictor than ADHD-IN at school of psychopathology and impairment at home. Findings provide additional support for SCT's validity relative to ADHD-IN. (PsycINFO Database Record

Coping, stress, and personality in Spanish nursing students: A longitudinal study.

The purpose of this study was to examine the dominant stress coping style in nursing students, its relationships with stressful life events and personality traits, and the students' changes during their academic training. A non-experimental two-wave longitudinal design was carried out in 199 nursing students recruited from three Spanish nursing schools. The Stressful Life Events Scale, NEO-FFI, and COPE questionnaire were administered at the beginning (T1) and end (T2) of their nursing studies. Descriptive statistics, Anova(s), NPar tests, and Pearson correlations were carried out. Results show that nursing students' dominant coping style was emotion-focused coping, both at T1 and T2. Highly significant correlations between emotional coping and the neuroticism trait were found. Coping, stress, and personality changed positively during the training program. At T2, the use of problem-focused strategies increased, and participants became more extroverted, agreeable, and conscientious. Coping and personality changes experienced by nursing students throughout their degree program seem to mirror the professional competences needed by future licensed nurses.

The effect of progressive muscle relaxation on daily cortisol secretion.

Abbreviated progressive muscle relaxation (APMR) is a much used stress-management technique. Its efficacy relevant to placebo control is already established in the literature and the primary aim of the present study was to ascertain whether its proven impact on psychological stress measures is matched by a decrease in prevailing levels of the stress-associated hormone cortisol, using accurate and robust measurement based on multiple sampling of full diurnal cortisol secretion profiles. First-year university students can face significant stress in adjustment to academic demands and immersion in a novel social network and provided a convenient study population. One hundred and one first-year students completed APMR with prevailing stress levels assessed a week before and after intervention. Both cortisol and self-report measures were significantly reduced post-intervention by 8% and 10%, respectively. The efficacy of the intervention was independent of, and not modulated by neuroticism, gender, age and smoking status. We also demonstrated that cortisol reduction was unlikely to have been a consequence of adaptation to any initial cortisol elevation prompted by the challenge of the demanding saliva collection protocol. We conclude that the efficacy of APMR in this population extends to reduction in biologically expressed stress levels as well as levels based solely on self-report.

Reprint of "Neurofeedback and standard pharmacological intervention in ADHD: a randomized controlled trial with six-month follow-up".

The present study is a randomized controlled trial that aims to evaluate the efficacy of Neurofeedback compared to standard pharmacological intervention in the treatment of attention deficit/hyperactivity disorder (ADHD). The final sample consisted of 23 children with ADHD (11 boys and 12 girls, 7-14 years old). Participants carried out 40 theta/beta training sessions or received methylphenidate. Behavioral rating scales were completed by fathers, mothers, and teachers at pre-, post-treatment, two-, and six-month naturalistic follow-up. In both groups, similar significant reductions were reported in ADHD functional impairment by parents; and in primary ADHD symptoms by parents and teachers. However, significant academic performance improvements were only detected in the Neurofeedback group. Our findings provide new evidence for the efficacy of Neurofeedback, and contribute to enlarge the range of non-pharmacological ADHD intervention choices. To our knowledge, this is the first randomized controlled trial with a six-month follow-up that compares Neurofeedback and stimulant medication in ADHD.

Neuroticism and cortisol: pinning down an expected effect.

BACKGROUND: There are strong theoretical arguments that those high on Neuroticism (N) should normally exhibit higher prevailing levels of the stress-linked hormone cortisol (C), but findings are inconsistent, probably reflecting methodological weaknesses especially in taking account of C's diurnal cycle. METHODS: High and low N students [Total N=118; mean age=20.99years] were recruited and their salivary cortisol measured, ensuring that saliva samples were numerically adequate to assess C's diurnal cycle over two days with objective verification of sample timing. RESULTS: Cortisol secretion was approximately 20% higher in High N than low N participants in the period of 12h after awakening (p<.008), but no differences in secretion were evident during the first 0.75 of this period, when typically the Cortisol Awakening Response (CAR) rapidly takes cortisol to its daily peak. N effects were thus confined to the 0.75h-12h period (p<.007). Males had approximately 25% higher cortisol secretion levels than females, also confined to the 0.75h-12h period (p<.003). No significant differences between N groups were evident for dynamic measures of cortisol change, viz. the magnitude of CAR rise and subsequent diurnal fall. All effects were controlled for cohort date of study entry, age, smoking status, study day and time of awakening. DISCUSSION: With careful control, it appears that an important theoretically predicted effect exists, and is replicated in different student intake cohorts recruited in different years. Most importantly, findings support several lines of evidence that the period of massive rise in the brief 0-0.75h CAR period should be seen as quite separate from the rest of the diurnal cycle, underpinned by different control mechanisms, and with potentially different correlates.

Prevalence of oppositional defiant disorder in a sample of Spanish schoolchildren.

The aim of this study is to determine the prevalence rate of ODD in school age children, and analyze the variability of the prevalence rates per informant, according to the sources of information, sex, age, and level of agreement between teachers and parents. This is an epidemiological study conducted using a community sample extracted by means of multi-stage stratified sampling. The sample consisted of 1,295 children of both sexes from 6 to 8 years old. For diagnostic evaluation, the Oppositional Defiant Disorder Rating Scale (ODDRS-IV) was used. The estimated global prevalence of ODD, detected by all sources is 16.1%. But if we consider the percentage of subjects detected by only one informant, the prevalence rate is 9.5%. The prevalence according to teachers is 5.1% (95% CI = 3.88-6.31), according to fathers is 9% (95% CI = 7.38-10.54), and according to mothers is 9.7% (95% CI = 8.02-11.29). Teachers report more boys with ODD than girls. Results support the idea of high variability in ODD prevalence rates. Our findings suggest that parents are more prone to detect the disorder than teachers, and that boys present ODD more frequently than girls, only when they are evaluated by their teachers.

Neurofeedback and standard pharmacological intervention in ADHD: a randomized controlled trial with six-month follow-up.

The present study is a randomized controlled trial that aims to evaluate the efficacy of Neurofeedback compared to standard pharmacological intervention in the treatment of attention deficit/hyperactivity disorder (ADHD). The final sample consisted of 23 children with ADHD (11 boys and 12 girls, 7-14 years old). Participants carried out 40 theta/beta training sessions or received methylphenidate. Behavioral rating scales were completed by fathers, mothers, and teachers at pre-, post-treatment, two-, and six-month naturalistic follow-up. In both groups, similar significant reductions were reported in ADHD functional impairment by parents; and in primary ADHD symptoms by parents and teachers. However, significant academic performance improvements were only detected in the Neurofeedback group. Our findings provide new evidence for the efficacy of Neurofeedback, and contribute to enlarge the range of non-pharmacological ADHD intervention choices. To our knowledge, this is the first randomized controlled trial with a six-month follow-up that compares Neurofeedback and stimulant medication in ADHD.

Prevalence of oppositional defiant disorder in a sample of Spanish schoolchildren

The aim of this study is to determine the prevalence rate of ODD in school age children, and analyze the variability of the prevalence rates per informant, according to the sources of information, sex, age, and level of agreement between teachers and parents. This is an epidemiological study conducted using a community sample extracted by means of multi-stage stratified sampling. The sample consisted of 1,295 children of both sexes from 6 to 8 years old. For diagnostic evaluation, the Oppositional Defiant Disorder Rating Scale (ODDRS-IV) was used. The estimated global prevalence of ODD, detected by all sources is 16.1%. But if we consider the percentage of subjects detected by only one informant, the prevalence rate is 9.5%. The prevalence according to teachers is 5.1% (95% CI = 3.88–6.31), according to fathers is 9% (95% CI = 7.38–10.54), and according to mothers is 9.7% (95% CI = 8.02–11.29). Teachers report more boys with ODD than girls. Results support the idea of high variability in ODD prevalence rates. Our findings suggest that parents are more prone to detect the disorder than teachers, and that boys present ODD more frequently than girls, only when they are evaluated by their teachers (AU)

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Stress and neuroticism in Spanish nursing students: a two-wave longitudinal study.

The aim of this study was to clarify the direction of the stress-neuroticism relationship in a sample of 200 nursing students from three Spanish universities before their entry into the work force using a two-wave longitudinal design. The Stressful Life Events Scale and NEO-FFI Neuroticism subscale were administered at the beginning (T1) and end (T2) of nursing studies. Female students reported higher scores in both perceived stress due to life events and neuroticism than males. Older students scored higher in life events stress than younger ones. High neuroticism was associated with a high level of stress. Finally, neuroticism scores rose in the group in which stress increased from T1 to T2. Our findings partially support the stress causation interactionist model of stress in which life events can modify personality traits.

The mindfulness-based stress reduction program (MBSR) reduces stress-related psychological distress in healthcare professionals

This semi-experimental study examines how Mindfulness facilitates a distress reduction in a group of health professionals. The sample comprises 29 professionals seeking stress reduction who undertook an 8 weeks psico-educative intervention, involving 28 hours of class, based on a program called Mindfulness-based Stress Reduction or MBSR. Results show a 35% reduction of distress, from percentile 75 to 45, combined with a 30% reduction in rumination and a 20% decrease in negative affect. These benefits lasted during the 3 months of the follow up period. The correlation analysis indicates that the decrease in distress is significantly related to the other two variables. These results confirm the effectiveness of MBSR to decrease distress and its applicability in training programs for health professionals (AU)

Este estudio cuasi-experimental examina si el Mindfulness o conciencia plena reduce el malestar psicológico asociado al estrés en profesionales de la salud. La muestra estaba compuesta por 29 profesionales interesados en reducir el estrés, que siguieron una intervención psicoeducativa de 8 semanas, empleando un total de 28 horas lectivas y denominada Reducción de estrés basada en Mindfulness (Mindfulness-based Stress Reduction o MBSR). Los resultados muestran una disminución del malestar del 35%, descendiendo del percentil 75 al 45, así como reducciones del 30% en rumiación y del 20% en afectividad negativa. Estas mejoras se mantienen durante el periodo de seguimiento de 3 meses posteriores a la intervención. Las correlaciones encontradas indican que la reducción en malestar psicológico conlleva una disminución de la rumiación y de la afectividad negativa. Estos resultados confirman la utilidad de la técnica MBSR para reducir el malestar psicológico en programas de formación para profesionales de la salud (AU)

The Mindfulness-based Stress Reduction program (MBSR) reduces stress-related psychological distress in healthcare professionals.

This semi-experimental study examines how Mindfulness facilitates a distress reduction in a group of health professionals. The sample comprises 29 professionals seeking stress reduction who undertook an 8 weeks psico-educative intervention, involving 28 hours of class, based on a program called Mindfulness-based Stress Reduction or MBSR. Results show a 35% reduction of distress, from percentile 75 to 45, combined with a 30% reduction in rumination and a 20% decrease in negative affect. These benefits lasted during the 3 months of the follow up period. The correlation analysis indicates that the decrease in distress is significantly related to the other two variables. These results confirm the effectiveness of MBSR to decrease distress and its applicability in training programs for health professionals.

[The effect of "hospital clowns" on distress and maladaptive behaviours of children who are undergoing minor surgery]. / El efecto de los <> en el malestar psicológico y las conductas desadaptativas de niños y niñas sometidos a cirugía menor.

The presence of clowns in health care settings is a program used in many countries to reduce distress in children who are undergoing surgery. The aim of the present study is to determine the effect of the presence of clowns on children's distress and maladaptive behaviours while in hospital for minor surgery. The sample consisted of 61 pediatric patients (aged 3-12 years) undergoing general anesthesia for minor surgery. Participants were assigned to two groups: experimental and control group. The child's distress was assessed using FAS (Facial Affective Scale). Postoperative maladaptive behaviors were evaluated one week after surgery, using the PHBQ (Post-Hospital Behavior Questionnaire). Our results suggest that clowns are not able to reduce the child's level of distress. However, postoperative maladaptive behaviours in the experimental group decreased, but the decrease was not statistically significant. Further research is needed to determine the effects of clowns in hospitals, taking into account age, sex, parents' presence, and diverse hospital settings.

El efecto de los «payasos de hospital» en el malestar psicológico y las conductas desadaptativas de niños y niñas sometidos a cirugía menor / The effect of «hospital clowns» on distress and maladaptive behaviours of children who are undergoing minor surgery

La intervención de los payasos en el ámbito hospitalario es un programa para disminuir el malestar psicológico que conlleva la hospitalización infantil que se ha ido implantando en España y en otros países. El objetivo del estudio es evaluar el efecto de la intervención de los payasos de hospital sobre el malestar psicológico y las conductas desadaptativas de los niños y niñas que van a ser operados. La muestra la componen 61 niños y niñas de 3 a 12 años, sometidos a intervenciones programadas de cirugía menor, y que fueron asignados al grupo experimental y control. El malestar psicológico del niño/a se evaluó utilizando la escala FAS (Facial Affective Scale). Los comportamientos desadaptativos producidos después de la cirugía se registraron utilizando el PHBQ (Post Hospital Behavior Questionnaire). Nuestros resultados indican que los payasos de hospital no fueron eficaces para reducir el nivel de malestar psicológico. Las conductas desadaptativas de los niños y niñas en el grupo experimental disminuyeron después de la operación, aunque no alcanzaron la significación. Es necesario realizar más estudios que determinen los efectos de los payasos de hospital, teniendo en cuenta la edad, el sexo, la presencia de los padres y los diferentes contextos de hospitalización (AU)

The presence of clowns in health care settings is a program used in many countries to reduce distress in children who are undergoing surgery. The aim of the present study is to determine the effect of the presence of clowns on children’s distress and maladaptive behaviours while in hospital for minor surgery. The sample consisted of 61 pediatric patients (aged 3-12 years) undergoing general anesthesia for minor surgery. Participants were assigned to two groups: experimental and control group. The child’s distress was assessed using FAS (Facial Affective Scale). Postoperative maladaptive behaviors were evaluated one week after surgery, using the PHBQ (Post-Hospital Behavior Questionnaire). Our results suggest that clowns are not able to reduce the child’s level of distress. However, postoperative maladaptive behaviours in the experimental group decreased, but the decrease was not statistically significant. Further research is needed to determine the effects of clowns in hospitals, taking into account age, sex, parents’ presence, and diverse hospital settings (AU)