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Analgesic Effect of Trigger Point Injection and EMLA for Shoulder Pain in Laparoscopic Hysterectomy

Information source: Yonsei University
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Myoma of Uterus

Intervention: TPI (Drug); EMLA cream (Drug)

Phase: N/A

Status: Completed

Sponsored by: Yonsei University


Laparoscopic operative procedures have revolutionized gynecological surgery. These have several advantages: a smaller and more cosmetic incision, reduced blood loss and shorter postoperative stay, which cuts down on hospital costs. However, postoperative pain continues to be one complication, which results in an unpleasant experience for the patient and at times causes a delayed discharge. Trigger point injection removes the pain developing point and block the pain signal. EMLA cream shows analgesic effect when being spread on the skin. An literature showed that patch of local anesthetics showed the effect of trigger point inject. The purpose of this study is to investigate the alleviation of shoulder pain, headache, abdominal pain, and back pain after trigger point injection or EMLA cream applying on shoulder in patients undergoing total laparoscopic hysterectomy.

Clinical Details

Study design: Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Prevention

Primary outcome: postoperative shoulder pain


Minimum age: 20 Years. Maximum age: 70 Years. Gender(s): Female.


Inclusion Criteria:

- ASA class I or II

- age 20~70

- patients undergoing total laparoscopic hysterectomy

Exclusion Criteria:

- history of shoulder surgery

- coagulopathy

- infection or trauma of shoulder

- general inflammation

- allergy to local anesthetics

Locations and Contacts

Severance hospital, Seoul 120-752, Korea, Republic of
Additional Information

Starting date: April 2013
Last updated: February 4, 2014

Page last updated: August 23, 2015

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