• Xun Han, Dongjun Wan, Shuhua Zhang, Ziming Yin, Siyang Huang, Fengbo Xie, Junhong Guo, Hongli Qu, Yuanrong Yao, Huifang Xu, Dongfang Li, Sufen Chen, Faming Wang, Hebo Wang, Chunfu Chen, Qiu He, Ming Dong, Qi Wan, Yanmei Xu, Min Chen, Fanhong Yan, Xiaolin Wang, Rongfei Wang, Mingjie Zhang, Ye Ran, Zhihua Jia, Yinglu Liu, Xiaoyan Chen, Lei Hou, Dengfa Zhao, Zhao Dong, and Shengyuan Yu.
• Department of Neurology, The First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.
• J Headache Pain. 2023 May 23; 24 (1): 5757.

BackgroundAlthough headache disorders are common, the current diagnostic approach is unsatisfactory. Previously, we designed a guideline-based clinical decision support system (CDSS 1.0) for diagnosing headache disorders. However, the system requires doctors to enter electronic information, which may limit widespread use.MethodsIn this study, we developed the updated CDSS 2.0, which handles clinical information acquisition via human-computer conversations conducted on personal mobile devices in an outpatient setting. We tested CDSS 2.0 at headache clinics in 16 hospitals in 14 provinces of China.ResultsOf the 653 patients recruited, 18.68% (122/652) were suspected by specialists to have secondary headaches. According to "red-flag" responses, all these participants were warned of potential secondary risks by CDSS 2.0. For the remaining 531 patients, we compared the diagnostic accuracy of assessments made using only electronic data firstly. In Comparison A, the system correctly recognized 115/129 (89.15%) cases of migraine without aura (MO), 32/32 (100%) cases of migraine with aura (MA), 10/10 (100%) cases of chronic migraine (CM), 77/95 (81.05%) cases of probable migraine (PM), 11/11 (100%) cases of infrequent episodic tension-type headache (iETTH), 36/45 (80.00%) cases of frequent episodic tension-type headache (fETTH), 23/25 (92.00%) cases of chronic tension-type headache (CTTH), 53/60 (88.33%) cases of probable tension-type headache (PTTH), 8/9 (88.89%) cases of cluster headache (CH), 5/5 (100%) cases of new daily persistent headache (NDPH), and 28/29 (96.55%) cases of medication overuse headache (MOH). In Comparison B, after combining outpatient medical records, the correct recognition rates of MO (76.03%), MA (96.15%), CM (90%), PM (75.29%), iETTH (88.89%), fETTH (72.73%), CTTH (95.65%), PTTH (79.66%), CH (77.78%), NDPH (80%), and MOH (84.85%) were still satisfactory. A patient satisfaction survey indicated that the conversational questionnaire was very well accepted, with high levels of satisfaction reported by 852 patients.ConclusionsThe CDSS 2.0 achieved high diagnostic accuracy for most primary and some secondary headaches. Human-computer conversation data were well integrated into the diagnostic process, and the system was well accepted by patients. The follow-up process and doctor-client interactions will be future areas of research for the development of CDSS for headaches.© 2023. The Author(s).

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