title: [Analysis of Therapeutic Regularities and Characteristics of Blood-letting Therapy for Acne Patients Based on Data Mining].
abstract: OBJECTIVE
  To analyze the therapeutic regularities and characteristics of blood-letting therapy for acne in the past clinical practice by using data mining.
  
  
  METHODS
  Original papers about acne treated by pricking blood therapy were searched and screened from common databases as Chinese National Knowledge Infrastructure Database (CNKI), WanFang Data, SinoMed, Ovid, ScienceDirect, Socolar, SciFinder, Foreign Medical Journal Full-Text Service (FMJS) and PubMed using keywords of acne+bleeding therapy, acne+blood-letting, acne+ pricking blood, followed by establishing a data plateform to conduct a data mining using Online Analytical Processing (OLAP).
  
  
  RESULTS
  A total of 230 original journal articles about acne treated by pricking blood therapy were collected. The included acne cases with wind-heat pattern were predoment, being 56 in frequency-times and acounting for 24. 78 %. In the treatment of acne, the therapeutic tool, three-edged needle was often used, being 168 in frequency and acounting for 71.79%. The frequently employed acupoints were those of the Governor Vessel and Bladder Meridian, such as Dazhui (GV 14) and back-shu points. When auricular points used for blood-letting, Erjian (EX-HN 6) and the Vena of the auricular back were most frequently selected. In addition to blood-letting, other therapies such as Chinese herbal medicines, filiform needles, and otopoint-pellet pressure were also used in combination, being 166 in items and constituting 72. 17%. Generally, blood-letting treatment was conducted once every three days (twice a week) or once every two days (three times a week) for about 20 sessions for each acne patient.
  
  
  CONCLUSIONS
  Blood-letting therapy is effective in the treatment of acne. But if used in combination with other therapies, the therapeutic effect would be better.
authors.forename: Yu-zhu
authors.initials: YZ
authors.lastname: Du
authors.forename: Chun-sheng
authors.initials: CS
authors.lastname: Jia
authors.forename: Jian-ling
authors.initials: JL
authors.lastname: Wang
authors.forename: Jing
authors.initials: J
authors.lastname: Shi
authors.forename: Xiao-xu
authors.initials: XX
authors.lastname: Zhang
authors.forename: Xin
authors.initials: X
authors.lastname: Liu
authors.forename: Wei-juan
authors.initials: WJ
authors.lastname: Gang
mesh_terms: D000152:Acne Vulgaris / Q000628:therapy*; D015669:Acupuncture Points; D001815:Bloodletting; D057225:Data Mining; D005260:Female; D006801:Humans; D008297:Male; D016032:Randomized Controlled Trials as Topic