Unfortunately, the provided search results do not contain an article with the exact title "Multistage acupuncture intervention perioperatively: a clinical optimization plan based on the ERAS concept". The results contain similar articles about acupuncture in the context of ERAS (Enhanced Recovery After Surgery), but not the specific article you asked to summarize. In order to create an accurate and factual summary as per your requirements, I need access to the full text of this particular article. I recommend checking if the article is available in medical databases such as PubMed, Google Scholar, or your institution's library system.