Observational studyInternal medicine (Tokyo, Japan)2025
Nasojejunal Tube Placement for Levodopa-carbidopa Intestinal Gel Treatment by Neurologists in Patients with Advanced Parkinson's Disease: A Retrospective Observational Study.
Observational study in Internal medicine (Tokyo, Japan), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
9 authors.
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Abstract
Objective Short-term levodopa-carbidopa intestinal gel (LCIG) treatment using nasojejunal (NJ) tubes (NJ-LCIG test) is recommended for patients with advanced Parkinson's disease to ensure compatibility with this treatment system prior to permanent percutaneous endoscopic gastrojejunostomy. However, there have been no studies on NJ tube insertion by neurologists or on possible differences in treatment efficacy based on the NJ tube insertion method or tube tip position. We therefore investigated the effects of LCIG with NJ tube placement performed by a neurologist. Methods This retrospective observational study included 13 patients with advanced Parkinson's disease and NJ tube placement between March 1, 2020, and October 31, 2023. A neurologist performed all NJ tube placements, and the daily off-time and dyskinesia time before and after NJ tube placement were compared. We also investigated the effects of differences in the NJ tube tip site. Results NJ tubes were placed using either a combination of X-ray fluoroscopy-guided insertion and gastric motility methods (23.1%) or X-ray fluoroscopy-guided insertion alone (76.9%). All tubes were successfully placed in the descending duodenum (15.4%), ascending duodenum (23.1%), or jejunum (61.5%). The off-time decreased significantly after the NJ-LCIG test [pre-NJ-LCIG test, 6.6 h (5.1-8.1) vs. post-NJ-LCIG test, 2.0 h (0.8-3.5), p<0.01]. There was no difference in effectiveness based on the site of NJ tube tip placement. Conclusion Our results suggest that neurologists can place NJ tubes and that the NJ-LCIG test can also improve off-time, regardless of the placement site.
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