Effects of acupuncture for constipation in Parkinson's disease: a multi-centre randomised controlled trial

INTERVENTION: intervention group:electroacupuncture+usual care;waitlist control group:usual care; CONDITION: constipation in Parkinson's disease PRIMARY OUTCOME: the change from baseline in mean spontaneous bowel movements(SBMs) per week according to the stool diary in the weeks 8‐9.; SECONDARY OUTCOME: The change from baseline in mean SBMsper week according to the stool diary (excluding the weeks 8‐9);The change from baseline in mean BMsper week according to the stool diary;The change from baseline in mean Bristol Stool Form Scale score according to the stool diary;The change from baseline in mean straining score according to the stool diary;mean frequency and mean dosage of emergency defecation drugs used per week;VAS score;Sections II and III of Unified Parkinson Disease Rating Scale;The time and number of steps required to walk 20 meters; INCLUSION CRITERIA: (1) diagnosis of Parkinsons disease according to the UK Parkinsons Disease Society Brain Bank Clinical Diagnostic Criteria; (2) met the diagnostic criteria of Roman IV diagnostic criteria for functional constipation; (3) aged between 40 and 80 years; (4) the course of PD is =6 months, and the course of constipation is =3 months; (5) the number of SBMs per week <3 times; (6) those who are not satisfied with current constipation treatment or who have not yet received constipation treatment; (7) the Hoehn‐Yahr (H&Y) stage belongs to 1‐4; (8) those who voluntarily participate in the study, receive relevant examinations and treatments, and sign informed consent.