CLINICS

Clinics (Sao Paulo). 2017 December; 72(12): 758-763.
doi:10.6061/clinics/2017(12)07

Copyright © 2017 CLINICS

Pain and quality of life in breast cancer patients

Weruska Alcoforado Costa , Michelly Nóbrega Monteiro , Janice França Queiroz , Ana Katherine Gonçalves *

Universidade Federal do Rio Grande do Norte, Natal, RN, BR

*Corresponding author. E-mail: anakatherine_ufrnet@yahoo.com.br

received May 20, 2017; revised July 23, 2017; accepted October 11, 2017.

Abstract

OBJECTIVE:

To evaluate the influence of pain on quality of life in breast cancer patients.

METHODS:

A cross-sectional study of 400 patients, including 118 without metastasis, 160 with loco-regional metastasis and 122 with distant metastasis. The instruments used were the European Organization for Research and Treatment for Cancer Quality of Life Questionnaire-Core 30 and the Breast Cancer-specific 23 and short McGill Pain Questionnaire.

RESULTS:

In total, 71.7% of patients reported pain. The most frequent sensory descriptor used by patients was ‘jumping.’ In the evaluative dimension, the main descriptor chosen was troublesome. The Global Health self-assessment showed pain to be inversely correlated with quality of life: the group without metastasis had a mean score of 55.3 (SD=24.8) for those in pain, which rose to 69.7 (SD=19.2) for those without pain (p=0.001). Subjects with loco-regional metastasis had score of 59.1 (SD=21.3) when in pain, and those without pain had a significantly higher score of 72.4 (SD=18.6) (p<0.001). Patients from the distant metastasis group showed similar results with a mean score of 48.6 (SD=23.1) for those in pain and 67.6 (SD=20.4) for those without pain (p=0.002). Regarding the association of pain intensity and quality of life, patients with distant metastasis and intense pain had the worst scores for quality of life with a functional scale mean of 49.9 (SD=17.3) (p<0.009), a Symptom Scale score of 50.0 (SD=20.1) (p<0.001) and a Global Health Scale score of 39.7 (SD=24.7) (p<0.006).

CONCLUSIONS:

Pain compromises the quality of life of patients with breast cancer, particularly those with advanced stages of the disease.

Keywords: Breast Cancer, Quality of Life, Health-Related Quality of Life, Pain, Short McGill Pain Questionnaire


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