Xiaoxue Guan1,2, Yuchan Wang1, Qun Li1, Ming Wei1, Lili Chen1, Oumei Cheng3. 1. Department of Neurology, The First Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China. 2. Department of Neurology, The First People's Hospital of the City of Xiangyang, Xiangyang, China. 3. Department of Neurology, The First Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China. chengoumei01@aliyun.com.
Abstract
OBJECTIVE: Constipation is among the most frequently delineated nonmotor symptoms (NMS) with a high occurrence in Parkinson's disease (PD). The purpose of our study was to investigate whether PD with comparatively integrated intestinal function (without constipation) in the early stage had different clinical features compared to constipated PD. METHOD: We conducted a study of 105 consecutive de novo as well as early treated (treated for shorter than 3 months), aged 50 years or older outpatients. Subjects were administered motor and nonmotor questionnaires as well as constipation associated examinations. Then, we explored the distinctive features of nonconstipated contrasted to constipated PD by using univariate, multiple regression analysis and correlation analysis. RESULTS: Nonconstipated PD tended to have fewer motor deficits, as well as lower Hoehn and Yahr (H&Y) stage and they mainly presented as tremor-dominant (TD), while constipated group had a higher occurrence of posture instability and gait difficulty (PIGD); nonconstipated patients were inclined to live in urban area, the NMSloads and prevalence of NMS were lower compared to constipated ones. Correlation analysis found a discord between NMSloads and disease severity based on H&Y stage and motor scores in nonconstipated PD. CONCLUSIONS: These results suggest that PD without constipation in early stage may represent a unique clinical phenotype, which may be more benign than PD with constipation.
OBJECTIVE:Constipation is among the most frequently delineated nonmotor symptoms (NMS) with a high occurrence in Parkinson's disease (PD). The purpose of our study was to investigate whether PD with comparatively integrated intestinal function (without constipation) in the early stage had different clinical features compared to constipated PD. METHOD: We conducted a study of 105 consecutive de novo as well as early treated (treated for shorter than 3 months), aged 50 years or older outpatients. Subjects were administered motor and nonmotor questionnaires as well as constipation associated examinations. Then, we explored the distinctive features of nonconstipated contrasted to constipated PD by using univariate, multiple regression analysis and correlation analysis. RESULTS:Nonconstipated PD tended to have fewer motor deficits, as well as lower Hoehn and Yahr (H&Y) stage and they mainly presented as tremor-dominant (TD), while constipated group had a higher occurrence of posture instability and gait difficulty (PIGD); nonconstipated patients were inclined to live in urban area, the NMSloads and prevalence of NMS were lower compared to constipated ones. Correlation analysis found a discord between NMSloads and disease severity based on H&Y stage and motor scores in nonconstipated PD. CONCLUSIONS: These results suggest that PD without constipation in early stage may represent a unique clinical phenotype, which may be more benign than PD with constipation.
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