Prevalence of chronic pain in a metropolitan area of a developing country: a population-based study

Ferreira, Kuitéria Ribeiro; Bastos, Telma Regina P D; Andrade, Daniel Ciampi de; Silva, Aline Medeiros; Appolinário, José Carlos; Teixeira, Manoel Jacobsen; Latorre, Maria do Rosário Dias de Oliveira

doi:10.1590/0004-282x20160156

Cited by 45 publications

(56 citation statements)

References 25 publications

(46 reference statements)

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“…In the present study, we found that 21% of patients with chronic pain already had this symptom before MND started. This is similar to our local prevalence of chronic pain, which is 28% (Ferreira et al., ). One study suggested that pain could be a prodromal symptom of MND, affecting half of the patients before the medical diagnosis, but this still remains to be determined (Stephens et al., ).…”

Section: Discussionsupporting

confidence: 92%

Beyond weakness: Characterization of pain, sensory profile and conditioned pain modulation in patients with motor neuron disease: A controlled study

Lopes

Galhardoni

Silva

et al. 2017

European Journal of Pain

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Background: Motor neuron diseases (MND) represent a group of disorders that evolve with inexorable muscle weakness and medical management is based on symptom control. However, deeper characterization of non-motor symptoms in these patients have been rarely reported. Methods: This cross-sectional study aimed to describe non-motor symptoms in MND and their impact on quality of life and functional status, with a focus on pain and sensory changes. Eighty patients (31 females, 55.7 AE 12.9 years old) with MND underwent a neurological examination, pain, mood, catastrophizing and psychophysics assessments [quantitative sensory testing (QST) and conditioned pain modulation (CPM)], and were compared to sex-and age-matched healthy controls (HC). Results: Chronic pain was present in 46% of patients (VAS = 5.18 AE 2.0). Pain of musculoskeletal origin occurred in 40.5% and was mainly located in the head/neck (51%) and lower back (35%). Neuropathic pain was not present in this sample. Compared to HC, MND patients had a lower cold detection threshold (p < 0.002), and significantly lower CPM scores (4.9 AE 0.2% vs. 22.1 AE 0.2%, p = 0.012). QST/CPM results did not differ between MND patients with and without pain. Pain intensity was statistically correlated with anxiety, depression and catastrophism, and spasticity scores were inversely correlated with CPM (q = À0.30, p = 0.026). Conclusions: Pain is frequently reported by patients with MNDs. Somatosensory and CPM changes exist in MNDs and may be related to the neurodegenerative nature of the disease. Further studies should investigate the most appropriate treatment strategies for these patients. Significance: We report a comprehensive evaluation of pain and sensory abnormalities in motor neuron disease (MND) patients. We assessed the different pain syndromes present in MND with validated tools, and described the QST and conditioned pain modulation profiles in a controlled design.

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Section: Discussionsupporting

confidence: 92%

Beyond weakness: Characterization of pain, sensory profile and conditioned pain modulation in patients with motor neuron disease: A controlled study

Lopes

Galhardoni

Silva

et al. 2017

European Journal of Pain

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“…Over the last years, the methodology has improved significantly, as the studies are now population based (with the participants being representative of the general population), the duration criterion has been set to be pain of at least 3 months duration and the presence of pain and its characteristics has been evaluated by validated questionnaires. Based on these population studies,55–72 the prevalence of chronic pain in the general population is estimated to range from 15.1% in Canada66 to 48.9% in Sweden 72. The majority, if not all, of these studies have identified female gender and age as the risk factors for developing chronic pain.…”

Section: Epidemiologymentioning

confidence: 99%

Depression and chronic pain in the elderly: links and management challenges

Zis

Daskalaki

Bountouni

et al. 2017

CIA

285

197

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Aging is an inevitable process and represents the accumulation of bodily alterations over time. Depression and chronic pain are highly prevalent in elderly populations. It is estimated that 13% of the elderly population will suffer simultaneously from the two conditions. Accumulating evidence suggests than neuroinflammation plays a critical role in the pathogenesis of both depression and chronic pain. Apart from the common pathophysiological mechanisms, however, the two entities have several clinical links. Their management is challenging for the pain physician; however, both pharmacologic and nonpharmacologic approaches are available and can be used when the two conditions are comorbid in the elderly patients.

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“…Em escala global, a DC vem alcançando proporções epidêmicas diante do aumento da sua prevalência com o passar dos anos 8 . Nos países desenvolvidos, sua prevalência é estimada entre 26,4 e 51,3% [7][8][9][10] , enquanto no Brasil, entre 28,1 e 42% [11][12][13] . Devido ao seu caráter subjetivo, a DC varia de acordo com fatores psicossociais, culturais e sociodemográficos, razão pela qual torna-se relevante o seu rastreamento e a identificação de fatores associados.…”

Section: Introductionunclassified

Prevalence and factors associated with chronic neuropathic pain in workers of a Brazilian public university

Barreto¹,

Sá²

2019

Brazilian Journal of Pain

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BACKGROUND AND OBJECTIVES: Although it is a public health problem, the prevalence of chronic pain, especially in workers, is underestimated. The present study aims to estimate the prevalence of chronic pain and chronic neuropathic pain in workers of a federal public institution and to identify the associated factors. METHODS: A cross-sectional study conducted in a stratified random sample of civil servants of a federal higher education institution, between October 2017 and March 2018. Standardized questionnaires involving sociodemographic characteristics and life habits were applied. For those with chronic pain (duration equal to or greater than three months), a questionnaire with pain characteristics was also applied, including a body map, the visual analog scale, and the neuropathic pain questionnaire Doleur Neuropathic 4. The prevalence of chronic pain was estimated, and the Poisson model was used to test the associations between variables (5% of alpha). RESULTS: In a sample of 108 active civil servants, chronic pain was found in 50% of the sample (95% CI=40.6-59.4) and chronic neuropathic pain in 12% (CI 95%=6.9-19.2). No associations were found between chronic pain and sociodemographic characteristics or life habits. An independent association was confirmed between the frequency of pain and neuropathic pain, where continuous pain in relation to the occasional pain showed a prevalence ratio of 5.17 (CI95% CI=1.69-15.79, p=0.004). CONCLUSION: Chronic pain had a high prevalence in the institution, being continuous in workers with neuropathic pain. The severity of this type of pain requires urgent actions for its control.

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Prevalence of chronic pain in a metropolitan area of a developing country: a population-based study

Cited by 45 publications

References 25 publications

Beyond weakness: Characterization of pain, sensory profile and conditioned pain modulation in patients with motor neuron disease: A controlled study

Beyond weakness: Characterization of pain, sensory profile and conditioned pain modulation in patients with motor neuron disease: A controlled study

Depression and chronic pain in the elderly: links and management challenges

Prevalence and factors associated with chronic neuropathic pain in workers of a Brazilian public university

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