Alexithymia and Somatosensory Amplification Link Perceived Psychosocial Stress and Somatic Symptoms in Outpatients with Psychosomatic Illness

被引:23
作者
Nakao, Mutsuhiro [1 ,2 ]
Takeuchi, Takeaki [2 ,3 ]
机构
[1] Int Univ Hlth & Welf, Sch Med, Dept Psychosomat Med, Chiba 2868686, Japan
[2] Teikyo Univ Hosp, Dept Psychosomat Med, Tokyo 1738605, Japan
[3] Toho Univ Hosp, Sch Med, Dept Psychosomat Med, Tokyo 1438541, Japan
来源
JOURNAL OF CLINICAL MEDICINE | 2018年 / 7卷 / 05期
关键词
alexithymia; anxiety; depression; excessive adaptation; psychosocial stress; psychosomatic medicine; somatic symptom; somatosensory amplification; BEHAVIORAL MEDICINE INTERVENTION; DSM-IV; SCALE; REDUCTION; VALIDITY; STATE;
D O I
10.3390/jcm7050112
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background: Psychosomatic patients often complain of a variety of somatic symptoms. We sought to clarify the role of clinical predictors of complaints of somatic symptoms. Methods: We enrolled 604 patients visiting a psychosomatic outpatient clinic. The outcome was the total number of somatic symptoms, and the candidate clinical predictors were perceived psychosocial stress, alexithymia, somatosensory amplification, adaptation, anxiety, and depression. All participants completed questionnaires assessing the outcome and the predictors. Results: The average number of reported somatic symptoms was 4.8; the most frequent was fatigue (75.3%), followed by insomnia (56.1%), low-back pain (49.5%), headache (44.7%), and palpitations (43.1%). Multiple regression analysis showed that the total number of somatic symptoms was significantly associated with the degree of perceived psychosocial stress, alexithymia, somatosensory amplification, and depression. Also, structural equation models indicated links between excessive adaptation (via perceived psychosocial stress, alexithymia, and somatosensory amplification) and the total number of somatic symptoms. Conclusion: The results suggested that the association between psychosocial stress and reported somatic symptoms is mediated by alexithymia and somatosensory amplification in psychosomatic patients.
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页数:8
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