• Y Chen and Z Yu.
• Bratisl Med J. 2021 Jan 1; 122 (2): 158-160.

ObjectivePolypharmacy and multiple diseases are common in geriatric practice; however, such kind of multiple interventions might result in adverse effects. Some previous studies have found the association of polypharmacy and Parkinson's disease, to confirm this relationship, we conducted a meta-analysis to analyze this issue quantitively.Materials And MethodsIn total, we included 8 studies, 165,689 polypharmacy subjects and 373,660 non-polypharmacy controls, and 5644 PD patients among these subjects and controls.ResultsFor model without any adjustment, polypharmacy group has a significantly higher prevalence than control, OR = 2.53, 95 %CI [2.00, 3.20] (p < 0.001). However, this model showed a very high heterogeneity (I2 = 91 %, p < 0.001). In age, gender and disease history adjusted model, polypharmacy group has a significantly higher prevalence than control, OR = 1.43, 95 %CI [1.35, 1.52], p < 0.001. The heterogeneity decreased to zero (I2 = 0 %, p < 0.45).ConclusionIn this study we have found an association between PD risk and polypharmacy, a better designed prospective long-term cohort study might be required for further discussion on this issue (Tab. 1, Fig. 5, Ref. 14).

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