Neuropsychiatric disease and treatment · 2024
Diagnosis and Treatment of Generalized Anxiety Disorder in Japan: Psychiatric Specialist Survey.
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Nomoto Keisuke, Takashio Osamu, Matsuyama Satoshi, Higa Shingo, Otsubo Tempei
Аннотация
PURPOSE: Generalized anxiety disorder (GAD) is a suboptimally managed chronic recurring psychiatric condition with a lifetime prevalence of 2.6% in Japan. We assessed the current status of GAD management in Japan.
PATIENTS AND METHODS: This was an observational, cross-sectional study conducted through an anonymous web-based survey in Japan from December 12-16, 2022. Psychiatrists and psychosomatic medicine physicians who agreed to participate and saw ≥10 outpatients in the previous month were eligible. Survey questionnaire comprised 37 single/multiple choice, numerical entry, or open-ended questions in Japanese.
RESULTS: Among 509 participants (493 psychiatrists and 16 psychosomatic medicine physicians), 96.9% were aware of GAD. On average, 12.4 outpatients and 1.0 inpatient were diagnosed with GAD per physician per month. Of 433 physicians having patients diagnosed with GAD, 46.9% used operational diagnostic tools; among these, DSM-5 diagnostic criteria were used by 81.5% physicians. The majority (54.7%) of participants did not use a self-administered rating scale; depression scales were used more than anxiety scales. Among these 433 physicians, 96.8% used selective serotonin reuptake inhibitors for GAD management, and 79.2% used it as the first choice; of 431 physicians who prescribed drug therapy, 54.3% gave antidepressant monotherapy as first choice. The most frequent symptom in patients diagnosed with GAD was excessive anxiety/worry (96.5%); depression was the most commonly reported comorbidity (84.3%) as per physicians aware of GAD (N=508).
CONCLUSION: This study illustrates that although GAD awareness is high among Japanese psychiatric specialists, GAD is not frequently diagnosed using operational diagnostic approaches. Due to a lack of Japanese guidelines for GAD diagnosis and treatment, diverse international guidelines are followed, with similar treatment paradigms as that of depression. This may not be an optimal approach given cultural/geographical differences. These findings highlight the need for uniform diagnosis and treatment recommendations for GAD management in Japan.
CLINICAL TRIAL REGISTRATION: UMIN-CTR: UMIN000049572.
PATIENTS AND METHODS: This was an observational, cross-sectional study conducted through an anonymous web-based survey in Japan from December 12-16, 2022. Psychiatrists and psychosomatic medicine physicians who agreed to participate and saw ≥10 outpatients in the previous month were eligible. Survey questionnaire comprised 37 single/multiple choice, numerical entry, or open-ended questions in Japanese.
RESULTS: Among 509 participants (493 psychiatrists and 16 psychosomatic medicine physicians), 96.9% were aware of GAD. On average, 12.4 outpatients and 1.0 inpatient were diagnosed with GAD per physician per month. Of 433 physicians having patients diagnosed with GAD, 46.9% used operational diagnostic tools; among these, DSM-5 diagnostic criteria were used by 81.5% physicians. The majority (54.7%) of participants did not use a self-administered rating scale; depression scales were used more than anxiety scales. Among these 433 physicians, 96.8% used selective serotonin reuptake inhibitors for GAD management, and 79.2% used it as the first choice; of 431 physicians who prescribed drug therapy, 54.3% gave antidepressant monotherapy as first choice. The most frequent symptom in patients diagnosed with GAD was excessive anxiety/worry (96.5%); depression was the most commonly reported comorbidity (84.3%) as per physicians aware of GAD (N=508).
CONCLUSION: This study illustrates that although GAD awareness is high among Japanese psychiatric specialists, GAD is not frequently diagnosed using operational diagnostic approaches. Due to a lack of Japanese guidelines for GAD diagnosis and treatment, diverse international guidelines are followed, with similar treatment paradigms as that of depression. This may not be an optimal approach given cultural/geographical differences. These findings highlight the need for uniform diagnosis and treatment recommendations for GAD management in Japan.
CLINICAL TRIAL REGISTRATION: UMIN-CTR: UMIN000049572.