Research: Parkinson’s Illness Extra Prevalent in Sufferers with Appendectomies


An appendectomy will increase the danger of growing Parkinson’s illness, the second most typical neurodegenerative dysfunction after Alzheimer’s illness, in accordance with a brand new examine.

Parkinson’s disease. Image credit: Blausen Gallery 2014 / Wikiversity Journal of Medicine, doi: 10.15347/wjm/2014.010.

Parkinson’s illness. Picture credit score: Blausen Gallery 2014 / Wikiversity Journal of Medication, doi: 10.15347/wjm/2014.zero10.

“Current analysis into the reason for Parkinson’s illness has centered round alpha synuclein, a protein discovered within the gastrointestinal tract early within the onset of Parkinson’s,” mentioned examine lead creator Dr. Mohammed Sheriff, a doctor at Case Western Reserve College and College Hospitals Cleveland Medical Heart.

“For this reason scientists world wide have been trying into the gastrointestinal tract, together with the appendix, for proof in regards to the growth of Parkinson’s.”

Earlier findings on appendectomies and Parkinson’s have been inconsistent, with some research exhibiting no relationship and a latest examine by European scientists exhibiting sufferers who nonetheless had their appendix had been extra prone to develop Parkinson’s.

This contradiction prompted Dr. Sheriff and colleagues to hunt solutions to the query utilizing knowledge from an Ohio-based digital well being data firm that attracts knowledge from 26 main built-in well being techniques.

The authors analyzed digital well being data representing greater than 62.2 million sufferers and recognized those that had appendectomies and had been identified with Parkinson’s illness not less than six months later.

They discovered that amongst 488,190 sufferers who had undergone appendectomies, four,470 (zero.92%) went on to develop Parkinson’s.

Of the remaining 61.7 million sufferers with out appendectomies, they recognized solely 177,230 (zero.29%) who developed the illness.

In keeping with the group, sufferers who had an appendectomy had been greater than 3 times as prone to develop Parkinson’s than those that had not.

“Our analysis exhibits a transparent relationship between the appendix, or appendix elimination, and Parkinson’s illness, however it is just an affiliation,” Dr. Sheriff famous.

“Further analysis is required to verify this connection and to higher perceive the mechanisms concerned.”

The researchers will current their outcomes Might 20 on the Digestive Illness Week 2019 (DDW 2019) in San Diego, CA.


Mohammed Z. Sheriff et al. Parkinson’s illness is extra prevalent in sufferers with appendectomies: a nationwide population-based examine. DDW 2019, summary #739

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