• Hongli Huang, Haoming Xu, Qingling Luo, Jie He, Mengyan Li, Huiting Chen, Wenjuan Tang, Yuqiang Nie, and Yongjian Zhou.
• Department of Gastroenterology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong.
• Medicine (Baltimore). 2019 Jun 1; 98 (26): e16163.

RationaleFecal microbiota transplantation (FMT) is recognized as an emerging treatment through reconstruction of gut microbiota. Parkinson's disease is a neurodegenerative disorder, which is accompanied by constipation. Here we first reported a patient with Parkinson's disease and constipation that were obviously relieved after FMT.Patient ConcernsA 71-year-old male patient presented with 7 years of resting tremor, bradykinesia (first inflicted the upper limbs and subsequently spread to lower limbs), and intractable constipation (defecation needing more than 30 minutes).DiagnosesParkinson's disease for 7 years; constipation >3 years.InterventionsThe patient had used madopar, pramipexole, and amantadine for anti-Parkinson and showed partially mitigation while laxative therapy for constipation failed. Finally FMT was performed.OutcomesThe patient successfully defecated within 5 minutes and maintained daily unobstructed defecation until the end of follow-up. The patient's tremor in legs almost disappeared at 1 week after FMT but recurred in the right lower extremity at 2 months after FMT.LessonsGut microbiota reconstruction may have therapeutic effects for Parkinson's disease patients, especially those who have gastrointestinal symptoms and limited treatment choices.

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