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Epidemiology of physician-diagnosed neuropathic pain in Brazil.
Udall, Margarita; Kudel, Ian; Cappelleri, Joseph C; Sadosky, Alesia; King-Concialdi, Kristen; Parsons, Bruce; Hlavacek, Patrick; Hopps, Markay; Salomon, P Arline; DiBonaventura, Marco D; Clark, Patricia; Garcia, João Batista Santos.
Afiliação
  • Udall M; Pfizer Inc, New York, NY, USA.
  • Kudel I; Health Outcomes Practice, Kantar Health, New York, NY, USA, kristen.concialdi@kantarhealth.com.
  • Cappelleri JC; Pfizer Inc, Groton, CT, USA.
  • Sadosky A; Pfizer Inc, New York, NY, USA.
  • King-Concialdi K; Health Outcomes Practice, Kantar Health, New York, NY, USA, kristen.concialdi@kantarhealth.com.
  • Parsons B; Pfizer Inc, New York, NY, USA.
  • Hlavacek P; Pfizer Inc, New York, NY, USA.
  • Hopps M; Pfizer Inc, New York, NY, USA.
  • Salomon PA; Pfizer Inc, Bosques de las Lomas, Mexico.
  • DiBonaventura MD; Health Outcomes Practice, Kantar Health, New York, NY, USA, kristen.concialdi@kantarhealth.com.
  • Clark P; Clinical Epidemiology Unit, Hospital Infantil de México Federico Gómez, Mexico City, Mexico.
  • Garcia JBS; Faculty of Medicine UNAM, Mexico City, Mexico.
J Pain Res ; 12: 243-253, 2019.
Article em En | MEDLINE | ID: mdl-30662280
OBJECTIVES: Estimate the prevalence of neuropathic pain (NeP) among chronic pain patients attending Brazilian hospitals and pain clinics in São Paulo, Ceara, and Bahia and explore clinical characteristics by subtypes: painful diabetic peripheral neuropathy (pDPN), central neuropathic pain (CNP), chronic low back pain with a neuropathic component (CLBP-NeP), postherpetic neuralgia (PHN), post-traumatic neuropathic pain (PTN), and post-surgical neuropathic pain (PSN). METHODS: Physicians screened patients reporting chronic pain for ≥3 months (n=2,118) for probable NeP, using the Douleur Neuropathique 4 questionnaire and physician assessment, and reported their NeP subtype(s), symptoms, and medications. Identified NeP patients completed a questionnaire including treatment experiences, quality of life EuroQol 5 Dimensions [EQ-5D]), pain severity and interference (Brief Pain Inventory [BPI]), and Work Productivity and Activity Impairment scales. Descriptive analyses were performed by NeP subtype. RESULTS: The prevalence of probable NeP was 14.5% (n=307). NeP patients were mostly female (80.5%), middle-aged (mean [M]=52.5, SD=13.9), and Pardo (44.3%). Of those diagnosed with an NeP subtype (n=209), the largest proportions were CLBP-NeP (36.8%), followed by pDPN (18.7%), CNP (17.7%), PTN (17.2%), PSN (13.4%), and PHN (3.3%). Across subtypes, the most widely reported symptoms were numbness (range: 62.2%-89.7%) and hyperalgesia (range: 32.1%-76.9%) and the most commonly prescribed pain analgesics were NSAID (range: 18.2%-57.1%), opioids (range: 0.0%-39.3%), and antiepileptics (range: 18.2%-57.1%). PTN and PSN patients reported the least favorable EQ-5D index scores (M=0.42, SD=0.19) and BPI-Pain Severity scores (M=7.0, SD=1.9), respectively. Those diagnosed with CNP had the least favorable BPI-Pain Interference scores (M=6.0, SD=2.7). Patients with PHN reported the least impairment based on EQ-5D index scores (M=0.60, SD=0.04). Those with pDPN had the most favorable BPI scores (BPI-Pain Severity: M=4.6, SD=2.3; BPI-Pain Interference: M=4.7, SD=2.7). CONCLUSION: Evaluation of chronic pain patients in Brazil yielded a 14.5% probable NeP prevalence. NSAIDs and opioids were commonly used, and there was a high incidence of NeP-related symptoms with varying levels of dysfunction across subtypes.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Diagnostic_studies / Prognostic_studies / Risk_factors_studies / Screening_studies Aspecto: Patient_preference País/Região como assunto: America do sul / Brasil Idioma: En Revista: J Pain Res Ano de publicação: 2019 Tipo de documento: Article País de afiliação: Estados Unidos País de publicação: Nova Zelândia

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Diagnostic_studies / Prognostic_studies / Risk_factors_studies / Screening_studies Aspecto: Patient_preference País/Região como assunto: America do sul / Brasil Idioma: En Revista: J Pain Res Ano de publicação: 2019 Tipo de documento: Article País de afiliação: Estados Unidos País de publicação: Nova Zelândia