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Brief Title: Pectoralis Nerve Block and Quality of Recovery in Mastectomy Patients
Official Title: The Effect of Pectoralis Nerve Block on Quality of Recovery in Patients Undergoing Breast-conservative Surgery
Study ID: NCT05266378
Brief Summary: Effects of pectoralis nerve block on quality of recovery after breast surgery has been debated. We hypothesized there might exist relevant psychosocial factor or variable of pain sensitivity which would influence on the benefit of nerve block. This study aims to assess effect of pectoralis nerve block on QoR-15 score in subgroups stratified by such factors.
Detailed Description: Study population All of patients will undergo partial mastectomy. 140 patients will be enrolled. Intervention Pectoralis nerve block will be performed in the Block group. Psychosocial factor screening Pain-detect, HADS, EQ-5D, PHQ-15 (somatic symptom), PCS (pain catastrophizing), BFI (big five inventory), HAM-A\&D, Pressure algometry (Pain sensitivity), Quantitative sensory test (pinprick) Study endpoints Quality of recovery (QoR)-15 Pain visual analogue scale Opioid consumption Breast Cancer Pain Questionnaire (BCPQ)
Minimum Age: 20 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: FEMALE
Healthy Volunteers: No
Young Song, Seoul, , Korea, Republic of