Impact of Neuropathic Pain at the Population Level

Ana Shirley Maranhao Vieira, Abrahao Fontes Baptista, Livia Mendes, Kamilla Soares Silva, Sharize Cristine de Araujo Gois, Flavia Manoela de Almeida Lima, Israel Souza, Katia Nunes Sa


Background: One of the chief complaints of individuals who frequent the Family Health Units is chronic pain which, in Salvador, affects over 40% of the population. However, little is known about the type of pain and its impact on quality of life (QoL) at population level. The aim of the study is to evaluate the impact of neuropathic pain on QoL in a community.

Methods: A descriptive cross-sectional study was conducted from March to October 2012, in a Family Health Unit, Salvador, Bahia, Brazil. The DN-4 (type of pain), body map (location), VAS (intensity) and SF-36 (QoL) instruments were applied. The Chi-square (univariate analysis) and logistic regression (multivariate) tests were used, with IC 95% and P < 0.05.

Results: In a sample of 191 individuals with chronic pain, predominantly women (86.4%), single (48.7%), nonwhite (93.2%), low educational (46.6%) and low economic (100%) level. The most affected locations of the body were knees, lumbar region and head. In 60.2% of interviewees, neuropathic pain, of high intensity (VAS = 7.09 ± 3.0) predominated, with duration of 8.53 ± 8.8 years and mean QoL was reduced in 47.13%.

Conclusions: Intense pain in the dorsal region and type of neuropathy are independent predictors for greater compromise of QoL.

J Clin Med Res. 2014;6(2):111-119


Pain; Chronic pain; Population; Quality of life; Neuropathic pain

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