Altered autonomic reactivity in Korean military soldiers with adjustment disorder

Adjustment disorder in the Armed Forces: a systematic review

BACKGROUND

In the UK military, adjustment disorder (AjD) is reported as one of the most diagnosed mental disorders, alongside depression, in personnel presenting to mental health services. Despite this, little is understood about what may predict AjD, common treatment or outcomes for this population.

AIM

The systematic review aimed to summarise existing research for AjD in Armed Forces (AF) populations, including prevalence and risk factors, and to outline clinical and occupational outcomes.

METHOD

A literature search was conducted in December 2020 to identify research that investigated AjD within an AF population (serving or veteran) following the PRISMA guidelines.

RESULTS

Eighty-three studies were included in the review. The AjD prevalence estimates in AF populations with a mental disorder was considerably higher for serving AF personnel (34.9%) compared to veterans (12.8%). Childhood adversities were identified as a risk factor for AjD. AjD was found to increase the risk of suicidal ideation, with one study reporting a risk ratio of 4.70 (95% Confidence Interval: 3.50-6.20). Talking therapies were the most common treatment for AjD, however none reported on treatment effectiveness.

CONCLUSION

This review found that AjD was commonly reported across international AF. Despite heterogeneity in the results, the review identifies several literature gaps.

Psychometric properties of the Chinese version of adjustment disorder new module-20 in breast cancer patients

Background

After the new definition of adjustment disorder (AjD) by the International Classification of Diseases-11(ICD-11), AjD has attracted more and more attention. Adjustment disorder new module-20 (ADNM-20), which is used to diagnose AjD, has been verified in some countries, but it has not been verified in China. As a result, the purpose of this study was to investigate the validity and reliability of the Chinese version of the Adjustment disorder new module-20 (ADNM-20) in female breast cancer patients.

Methods

The ADNM-20 translated into Chinese employed the translation and back translation technique. Three hundred fifty four newly diagnosed (< 1 year) female breast cancer patients were recruited from Tongji Hospital and Hubei Cancer Hospital in Hubei, China. The patients completed the self-report questionnaire including demographic characteristics and the scale ADNM-20. Data on psychometric properties were evaluated in terms of internal consistency, item-total correlations, test-retest reliability, and factorial validity.

Results

ADNM-20 core symptoms included 8 items and two factors, which were extracted by using exploratory factor analysis (EFA). It could explain 61.74% of the total variance. ADNM-20 accessory symptoms including 12 items and four factors, which were extracted by using EFA. It could explain 68.34% of the total variance. Cronbach’s α coefficient for ADNM-20 was 0.93, split-half reliability was 0.87, and the test-retest correlation coefficient was 0.74. The correlation coefficient between each subscale was ranged from 0.53 to 0.71 (P < 0.01), while the correlation coefficient between the subscales and total scale was ranged from 0.79 to 0.89 (P < 0.01).

Conclusions

The study verified the validity and reliability of the Chinese version of ADNM-20. It is applicable to measure the prevalence of adjustment disorder in the breast cancer population.

Comparison of Autonomic Reactivity to the Stress between Adjustment Disorder and Major Depressive Disorder

OBJECTIVE

Adjustment disorder (AD) remains an ambiguous diagnosis that overlaps with major depressive disorder (MDD). This study compared autonomic reactivity to the stress between AD and MDD to test for biological differences.

METHODS

Physically healthy Korean male soldiers admitted to a psychiatric ward were recruited for participation. Clinical diagnoses indicated that 62 patients with AD and 47 with MDD were selected. Procedures consisted of electrocardiogram measurements according to three consecutive phases lasting five minutes each [i.e., resting, stress (including a mental arithmetic task and Stroop color word test), and recovery].

RESULTS

The reactive trends of all heart rate variability (HRV) parameters related to the stress tasks in participants with AD did not differ from those with MDD. High-frequency HRV (a proxy of parasympathetic activity) increased during times of stress for participants with AD and MDD. Despite similar reactive trends, AD participants had higher HRV values than participants with MDD during whole phases, particularly for variables reflecting overall autonomic activity.

CONCLUSION

AD is associated with higher basal activity in the autonomous nervous system when compared to MDD. However, both are associated with pathophysiology indicating an altered autonomic reactivity to stress.

Adjustment Disorder in Female Breast Cancer Patients: Prevalence and Its Accessory Symptoms

Women diagnosed with breast cancer may have serious psychological problems and will suffer from adjustment disorder (AjD). We investigated the prevalence of AjD in female breast cancer patients who were diagnosed within 1 year and examined the severe life events they experienced, and the most common symptoms of AjD. 342 newly diagnosed (<1 year) female breast cancer patients were recruited from Tongji Hospital and Hubei Cancer Hospital in Hubei, China, from July 2018 to May 2019. The patients completed the self-report questionnaire including demographic characteristics and the scale ADNM-20 for the diagnosis of AjD. SPSS20.0 was used for data analysis. As a result, the prevalence of AjD in breast cancer patients was 38.6%. Patients from rural areas and lacking of exercise were more likely to suffer from AjD (P<0.05). The prevalence of AjD in patients who did not regard breast cancer as the most severe life event was higher than that in patients who took breast cancer as the most severe life event (44.4% vs. 33.9%, P<0.05; OR=1.728, 95% CI=1.072-2.787). The symptom that scored highest was preoccupation (3.15). We found that the prevalence of AjD in women with breast cancer in this study is very high and warrants more attention. Patients from rural areas, lacking of exercise and subject to multiple stressors are more likely to suffer from AjD. The commonest and severe symptom is preoccupation.