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1.
Pain Ther ; 2024 Sep 12.
Artículo en Inglés | MEDLINE | ID: mdl-39264538

RESUMEN

INTRODUCTION: Painful idiopathic distal sensory polyneuropathy (IDSP) and fibromyalgia syndrome (FMS) are cryptogenic chronic pain syndromes. The contribution of small fibre pathology (SFP) in FMS remains controversial. This study aims to quantify small nerve pathology in participants with IDSP and FMS and identify relationships of SFP with sensory phenotypes. METHODS: In this study, 73 individuals (FMS: 25, IDSP: 23, healthy volunteers: 25) underwent comprehensive assessment, including neurological exams, questionnaires, sensory tests, and corneal confocal microscopy. RESULTS: IDSP participants displayed lower wind-up ratio (WUR) relative to FMS (p < 0.001), loss of function to thermal and mechanical stimuli and elevated neuropathy disability scores compared to FMS and healthy volunteers (all p < 0.001). FMS participants demonstrated gain of function to heat and blunt pressure pain responses relative to IDSP, and healthy volunteers (heat: p = 0.002 and p = 0.003; pressure: both p < 0.001) and WUR (both p < 0.001). FMS participants exhibited reduced corneal nerve fibre density (p = 0.02), while IDSP participants had lower global corneal nerve measures (density, branch density, and length) relative to healthy volunteers (all p < 0.001). Utilising corneal nerve fibre length, SFP was demonstrated in 66.6% of participants (FMS: 13/25; IDSP: 22/23). CONCLUSION: Participants with SFP, in both FMS and IDSP, reported symptoms indicative of small nerve fibre disease. Although distinctions in pain distributions are evident between individuals with FMS and IDSP, over 50% of participants between the two conditions displayed both a loss and gain of thermal and mechanical function suggestive of shared mechanisms. However, sensory phenotypes were associated with the presence of SFP in IDSP but not in FMS.


In people with painful idiopathic neuropathy (pain related to nerve damage where the cause of nerve damage is unknown), fibromyalgia syndrome (a long-term condition causing widespread pain), and healthy volunteers, the small nerve fibres of the peripheral nervous system, which may be involved in generating pain were assessed. These nerve fibres can be measured at the front of the eye (cornea) which can provide details on whether they are damaged in the body. The response to temperature, light touch, pressure and pinprick stimuli can also be used to determine if there is a loss or gain of sensation, which may contribute to pain. The aim of this study was to identify the degree of damage to these nerve fibres and to determine whether this damage is associated with a loss (cannot feel or requires more intense stimulus to feel) or gain (stimulus is felt earlier or is painful earlier at lower intensity) of sensory function. The pattern of loss or gain in sensory function is known as a sensory phenotype. It was found that people with painful idiopathic neuropathy had more severe nerve damage, loss of function to temperature and touch, and fewer small nerve fibres in the cornea compared to those with fibromyalgia syndrome and healthy volunteers. People with fibromyalgia syndrome were more sensitive to heat and pressure and had fewer corneal nerve fibres relative to healthy volunteers. The presence of corneal nerve fibre damage was associated with sensory phenotypes (types of sensation felt) in painful idiopathic neuropathy but not in fibromyalgia syndrome.

2.
Artículo en Inglés | MEDLINE | ID: mdl-38469680

RESUMEN

BACKGROUND: It is imperative for public health to identify the factors that contribute to the progression of sarcopenia among middle-aged and older adults. Our study aimed to investigate the association between pain characteristics and the progression to sarcopenia and its subcomponents among middle-aged and older adults in China. METHODS: We included 5 568 participants from the China Health and Retirement Longitudinal Study. All participants completed assessments for pain characteristics and sarcopenia. Pain assessment included pain status (baseline pain, incident pain, and pain persistence) and pain distribution (single-site pain and multisite pain) using a self-report questionnaire. Diagnosis of sarcopenia followed The Asian Working Group for Sarcopenia 2019 consensus. The odds ratios (ORs) and 95% confidence intervals (CIs) were obtained by logical regression analysis. RESULTS: Participants who reported baseline pain, multisite pain, pain persistence, or multisite pain persistence were more likely to progress to sarcopenia than those without pain, with ORs of 1.33 (95% CI: 1.08-1.65), 1.44 (95% CI: 1.15-1.80), 1.63 (95% CI: 1.23-2.14), and 1.59 (95% CI: 1.19-2.11), respectively. Even after adjusting for other covariates such as gender, age, residential area, education level, marital status, smoking, alcohol consumption, comorbidities, and falls, these associations remained significant. Additionally, pain persistence and multisite pain persistence were significantly associated with low grip strength and clinically meaningful Short Physical Performance Battery decline, but not with low muscle mass. CONCLUSIONS: Our study showed that pain, especially pain persistence, was closely correlated to the increased risk of progression to sarcopenia in Chinese middle-aged and older adults.


Asunto(s)
Sarcopenia , Humanos , Persona de Mediana Edad , Anciano , Sarcopenia/diagnóstico , Sarcopenia/epidemiología , Sarcopenia/complicaciones , Estudios Longitudinales , Fuerza de la Mano/fisiología , Dolor/complicaciones , Fumar
3.
J Gerontol A Biol Sci Med Sci ; 78(9): 1604-1611, 2023 08 27.
Artículo en Inglés | MEDLINE | ID: mdl-37354137

RESUMEN

BACKGROUND: Older adults who experience pain are likely to report higher functional limitations (FL) and lower physical activity (PA) levels. However, the extent to which PA explains the association of pain with FL is largely unknown, particularly in low- and middle-income countries. This study estimates whether and how much pain in FL is mediated by PA engagement. METHODS: We used cross-sectional data from 770 adults aged 50-69 years who participated in the Aging, Health, Psychological Well-being, and Health-seeking Behavior Study in Ghana. FL and pain characteristics were defined using the Medical Outcomes Study Short Form-36. PA was assessed by the International Physical Activity Questionnaire-Short Form. Bootstrapped mediation analyses estimated the direct and indirect hypothesized associations. The control variables included age, sex, residential type, level of education, monthly income, social isolation, emotional distress, multimorbidity, and self-rated health. RESULTS: After adjusting for potential confounders, higher pain interference (ß = 0.091, p < .05) and higher pain severity (ß = 0.075, p < .05) were associated with greater FL. The bootstrapping analyses showed that PA mediated the pain interference-FL association, accounting for approximately 58% (ß = 0.124, Boots 95% confidence interval (CI): 0.078-0.175) of the total effect (ß = 0.215, Boots 95% CI: 0.095-0.335). Similarly, PA mediated the association between pain severity with FL, accounting for approximately 37% (ß = 0.044, Boots 95% CI: 0.001-0.094) of the overall effect (ß = 0.119, Boots 95% CI: -0.011 to 0.249). CONCLUSIONS: Our data suggest that the higher pain severity and pain interference may lead to higher FL in middle and old age, and the associations are partially explained by PA. Effective and low-cost PA participation could be targeted in efforts to reduce the effect of pain on physical functioning among middle-aged and older adults.


Asunto(s)
Ejercicio Físico , Vida Independiente , Humanos , Persona de Mediana Edad , Anciano , Ghana/epidemiología , Estudios Transversales , Ejercicio Físico/psicología , Dolor/epidemiología , Dolor/complicaciones
4.
Artículo en Inglés | MEDLINE | ID: mdl-36901059

RESUMEN

The aim of this study was to evaluate the characteristics of pain (i.e., pain intensity, pain interference, clinical presentation) in Long-COVID-19 patients and compare the location of pain between successfully recovered COVID-19 patients and healthy matched controls. A cross-sectional case-control study was carried out. Long-COVID-19 patients, age- and sex-matched patients with a history of COVID-19 who had successfully recovered, and healthy controls were included. Outcomes included were pain characteristics (Brief Pain Inventory and Short-Form McGill Pain Questionnaire) and clinical presentation (Widespread Pain Index and Euroqol-5 Dimensions 5 Levels Visual Analogue Scale). Sixty-nine patients with Long-COVID-19 syndrome, sixty-six successfully recovered COVID-19 patients, and sixty-seven healthy controls were evaluated. Patients with Long-COVID-19 syndrome showed greater pain intensity and interference. In addition, they showed worse quality of life and greater widespread pain, with the most frequent locations of pain being the neck, legs, and head. In conclusion, patients with Long-COVID-19 syndrome show a high prevalence of pain, characterized by widespread pain of moderate intensity and interference, with the most frequent locations being the neck, legs, and head, significantly affecting the quality of life of these patients.


Asunto(s)
COVID-19 , Dolor Crónico , Humanos , Estudios Transversales , Calidad de Vida , Estudios de Casos y Controles , Síndrome Post Agudo de COVID-19
5.
Healthcare (Basel) ; 10(12)2022 Nov 30.
Artículo en Inglés | MEDLINE | ID: mdl-36553951

RESUMEN

Exercise is often recommended for fibromyalgia. The aim of this study was to investigate the possible influence and change in the pain characteristics of fibromyalgia patients when breathing exercises were added to their exercise program. A total of 106 patients were included and randomly divided into two groups. Τhe first group of patients followed a program of active exercises up to the limits of pain, lasting 30 min with a repetition of two times a week. Patients of the second group followed the same program with the addition of diaphragmatic breaths when they reached the pain limit. The patients completed three questionnaires: the Fibromyalgia Rapid Screening Tool (FiRST), the Brief Pain Inventory (BPI), and the Pain Quality Assessment Scale (PQAS)-once at the beginning, once again after three weeks of exercise, and again 3 months since the beginning of the program. Independent t-tests for the mean total change scores in pain scales demonstrated that for the second group there was a greater improvement in all pain scales, except for the PQAS Deep Pain subscale (p = 0.38). In conclusion, both groups showed significant improvement in all characteristics of the pain scales; however, the improvement of the second group was significantly higher.

6.
Work ; 72(1): 119-126, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35431192

RESUMEN

BACKGROUND: Worldwide, approximately 350 million people are currently employed in the construction industry. OBJECTIVE: To determine the prevalence, pain characteristics, and associated risk factors for musculoskeletal disorders (MSDs) among construction workers in Pakistan. METHODS: This study was a cross-sectional survey conducted from February to August 2019 among 666 construction workers. The data were collected using a questionnaire consisting of 4 sections: demographic information, a numerical pain intensity rating scale, a Nordic questionnaire to report prevalence, and pain characteristics. SPSS was used for data entry and analysis. RESULTS: The mean age of the construction workers was 34.49 years. Participants who reported pain were 397 out of 666 and 269 were those who reported no pain. The 12-month prevalence of pain among construction workers in more than one body area was 89% (n = 591) and the 7-day prevalence was 52% (n = 343); lower back pain was the most common type of pain with a 12-month prevalence of 27% (n = 180) and a 7-day prevalence of 17% (n = 112). Regarding the characteristics of the pain, 26% (173) of the workers suffered pain occasionally, 27% (180) participants had pain for≤2 hours per day, and 32.9% (219) had dull pain. Moreover, a significant relationship was found (p < 0.05) between MSDs and age, lifestyle, work experience, smoking habits, and absence from work. CONCLUSION: Musculoskeletal pain is highly prevalent, with lower back pain being the most commonly reported type. Absence from work and disability in performing normal daily activities have been reported as consequences of musculoskeletal pain. Moreover, this study underscores the importance of targeted preventive healthcare measures for construction workers.


Asunto(s)
Industria de la Construcción , Dolor de la Región Lumbar , Enfermedades Musculoesqueléticas , Dolor Musculoesquelético , Enfermedades Profesionales , Adulto , Estudios Transversales , Humanos , Dolor de la Región Lumbar/complicaciones , Dolor de la Región Lumbar/epidemiología , Enfermedades Musculoesqueléticas/epidemiología , Enfermedades Musculoesqueléticas/etiología , Dolor Musculoesquelético/epidemiología , Enfermedades Profesionales/complicaciones , Enfermedades Profesionales/epidemiología , Pakistán/epidemiología , Prevalencia , Factores de Riesgo , Encuestas y Cuestionarios
7.
Bone Jt Open ; 3(4): 332-339, 2022 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-35440177

RESUMEN

AIMS: This study aims to answer the following questions in patients with hip osteoarthritis (OA) who underwent total hip arthroplasty (THA): are patient-reported outcome measures (PROMs) affected by the location of the maximum severity of pain?; are PROMs affected by the presence of non-groin pain?; are PROMs affected by the severity of pain?; and are PROMs affected by the number of pain locations? METHODS: We reviewed 336 hips (305 patients) treated with THA for hip OA from December 2016 to November 2019 using pain location/severity questionnaires, modified Harris Hip Score (mHHS), Hip Outcome Score (HOS), international Hip Outcome Tool (iHOT-12) score, and radiological analysis. Descriptive statistics, analysis of covariance (ANCOVA), and Spearman partial correlation coefficients were used. RESULTS: There was a significant difference in iHOT-12 scores between groups experiencing the most severe pain in the groin and the trochanter (p = 0.039). Additionally, more favourable mHHS scores were related to the presence of preoperative pain in trochanter (p = 0.049), lower back (p = 0.056), lateral thigh (p = 0.034), and posterior thigh (p = 0.005). Finally, the maximum severity of preoperative pain and number of pain locations had no significant relationship with PROMs (maximum severity: HHS: p = 0.928, HOS: p = 0.163, iHOT-12 p = 0.233; number of pain locations: HHS: p = 0.211; HOS: p = 0.801; iHOT-12: p = 0.112). CONCLUSION: Although there was a significant difference in iHOT-12 scores between patients with the most severe pain in the groin or trochanter, and the presence of pain in the trochanter, lower back, lateral thigh, or posterior thigh was related to higher mHHS scores, the majority of preoperative pain characteristics did not have a significant impact on outcomes. Therefore, a broad array of patients with hip OA might expect similar, favourable outcomes from THA notwithstanding preoperative pain characteristics. Cite this article: Bone Jt Open 2022;3(4):332-339.

8.
Int Wound J ; 19(6): 1357-1369, 2022 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-34897978

RESUMEN

This exploratory descriptive study aimed to describe characteristics and management of background pain related to chronic leg ulcers. A total of 121 participants were recruited from two wound care clinics using a consecutive sampling method. Data were obtained through screening interview, clinical examination, and questionnaires. The mean average background pain intensity was 4.5 (SD 2.56) (CI 95% 4.0-5.0). Pain interfered mostly with general activity (mean 4.3), sleep (mean 4.1), and walking ability (mean 4.0) (0-10 NRS). The most frequently reported descriptors of background pain were 'tender', 'stabbing', 'aching', and 'hot-burning'. Most of the participants stated that the pain was intermittent. Less than 60% had analgesics prescribed specifically for ulcer related pain, and the respondents reported that pain management provided a mean pain relief of 45.9% (SD 33.9, range 0-100). The findings indicate that ulcer related background pain is a significant problem that interferes with daily function, and that pain management in wound care is still inadequate.


Asunto(s)
Úlcera de la Pierna , Úlcera Varicosa , Humanos , Úlcera de la Pierna/diagnóstico , Úlcera de la Pierna/terapia , Dolor/diagnóstico , Dimensión del Dolor , Encuestas y Cuestionarios , Úlcera
9.
J Rehabil Med ; 51(3): 183-192, 2019 Mar 13.
Artículo en Inglés | MEDLINE | ID: mdl-30815707

RESUMEN

OBJECTIVE: To determine whether the intensity, spread and sensitivity of chronic pain can be predicted using demographic features, socioeconomic conditions and comorbidities. DESIGN: A longitudinal study design was employed. Data was collected at baseline and at 2-year follow-up. SETTING: General population in south-eastern Sweden. SUBJECTS: A representative stratified random sample of 34,000 individuals, between 18 and 85 years of age, selected from a sampling frame of 404,661 individuals based on the Swedish Total Population Register. METHODS: Eligible individuals were sent postal surveys in 2013 and 2015. The 2 surveys included the same questions about basic demographic data, comorbidities, and chronic pain intensity, spread and sensitivity. RESULTS: Several socio-demographic features and comorbidities at baseline were significant predictors of characteristics of pain (intensity, spread and sensitivity) at the 2-year follow-up. When characteristics of pain at baseline were included in the regression analyses they were relatively strong significant predictors of characteristics of pain after 2 years. After this adjustment there were fewer socio-demogra-phic and comorbidity predictors; the effect estimates for those significant predictors had decreased. CONCLUSION: Clinical assessment should focus on several characteristics of pain and include a broad medical screening to capture the overall burden of pain in adults from a longitudinal perspective.


Asunto(s)
Dolor Crónico/diagnóstico , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Estudios de Cohortes , Femenino , Estudios de Seguimiento , Humanos , Estudios Longitudinales , Masculino , Persona de Mediana Edad , Dimensión del Dolor , Encuestas y Cuestionarios , Adulto Joven
10.
J Perianesth Nurs ; 34(4): 757-766, 2019 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-30773408

RESUMEN

PURPOSE: The aim of this study was to analyze postoperative pain severity, pain characteristics, and factors that affect pain for patients undergoing open cardiac surgery. DESIGN: A descriptive, cross-sectional study design was used. METHODS: This study was conducted on 70 patients who underwent open cardiac surgery at a state hospital in North Cyprus. Data were gathered using the Patient Information Form and Brief Pain Inventory-Short Form. FINDINGS: Patients who underwent open cardiac surgery experienced severe pain. Postoperative pain had a negative impact on deep breathing, coughing, and physical exercise. The patients' postoperative pain severity and postoperative pain interference show a statistically significant relationship between gender, alcohol consumption, prior surgical experience, and satisfaction with pain management (P < .05). A moderately positive and statistically significant correlation was found between the worst pain intensity of the patients in the last 24 hours and their pain interference (P < .05). CONCLUSIONS: Patients with open cardiac surgery experienced severe pain that restricted their activities. Patients should be informed about pain characteristics they will experience and effective pain management methods to reduce pain.


Asunto(s)
Procedimientos Quirúrgicos Cardíacos/métodos , Dolor Postoperatorio/clasificación , Anciano , Procedimientos Quirúrgicos Cardíacos/efectos adversos , Procedimientos Quirúrgicos Cardíacos/estadística & datos numéricos , Estudios Transversales , Chipre , Femenino , Humanos , Masculino , Persona de Mediana Edad , Manejo del Dolor/métodos , Dimensión del Dolor/métodos , Dolor Postoperatorio/etiología
11.
Pain Med ; 20(5): 1038-1046, 2019 05 01.
Artículo en Inglés | MEDLINE | ID: mdl-30576543

RESUMEN

OBJECTIVES: Neurorehabilitation techniques using virtual reality (VR) systems have recently become widespread as a rehabilitation method for restoring phantom limb movement and alleviating phantom limb pain (PLP). However, analgesic effects have varied between studies, possibly because of differences in the characteristics of PLP between patients (e.g., cramping, burning, shooting). We aimed to reveal the relationship between VR effects and PLP characteristics using an exploratory factor analysis. METHODS: PLP characteristics of 19 patients were measured using the Short-Form McGill Pain Questionnaire (SF-MPQ), and all PLP patients performed the VR rehabilitation protocol for 20 minutes. During VR rehabilitation, mirror-reversed computer graphic images of an intact arm (the virtual phantom limb) were presented to patients via a head-mounted display, inducing the perception of voluntary execution of movements of their phantom limb when intending bimanual movements. RESULTS: VR rehabilitation significantly restored movement representation (P < 0.0001) quantified using the bimanual coupling effect and significantly alleviated PLP intensity (P < 0.0001). The factor analysis revealed that PLP characteristics could be divided into two factors: "somatosensory-related pain characteristics" and "kinesthesia-related pain characteristics." PLP alleviation via VR rehabilitation was significantly correlated with "kinesthesia-related pain characteristics" (r = 0.47, P = 0.02) but not "somatosensory-related pain characteristics" (r = 0.22, P = 0.17). CONCLUSIONS: The current findings indicate that VR rehabilitation may be particularly effective for PLP associated with distorted phantom limb movement and body representations (e.g., clamping, gnawing), compared with typical neuropathic sensations (e.g., shooting, burning, dysesthesia).


Asunto(s)
Miembro Fantasma/rehabilitación , Terapia de Exposición Mediante Realidad Virtual/métodos , Adulto , Anciano , Femenino , Humanos , Ilusiones/fisiología , Cinestesia/fisiología , Masculino , Persona de Mediana Edad , Neuralgia/etiología , Rehabilitación Neurológica
12.
Sex Med Rev ; 4(1): 36-44, 2016 01.
Artículo en Inglés | MEDLINE | ID: mdl-27872003

RESUMEN

INTRODUCTION: A common subtype of vulvodynia is provoked vestibulodynia (PVD), characterized by severe pain upon contact to the vaginal entrance. Some researchers have further delineated the PVD group based on pain onset (primary vs secondary PVD, referred to as PVD1 and PVD2, respectively). AIM: This study aims to review available evidence regarding sociodemographic variables, pain characteristics, medical history and examination findings, quantitative sensory testing, genetic markers, psychosocial/sexual/relationship function, treatment outcome, and brain imaging in women with PVD1 and PVD2. METHODS: All available data related to PVD1 and PVD2 were reviewed. MAIN OUTCOME MEASURES: There is mixed evidence supporting the assumption that women with PVD1 fare worse on all variables investigated. RESULTS: The review indicated that although women with PVD1 seem to fare worse on many variables examined (eg, pain severity, genetic markers), many studies also indicated no significant group differences or-less commonly-that women with PVD2 fare worse on some variables (eg, sexual function). CONCLUSION: Although it has been suggested that different pathophysiologic processes are involved in the development and maintenance of PVD1 and PVD2, the data reviewed were mixed. While most studies indicated that women with PVD1 have higher pain intensity, higher sensitivity, more genetic influence, more evidence of inflammation, lower successful treatment outcomes, and different neural activation patterns and structural findings, these results were not consistently reported. In addition, the data for subgroup differences in psychosocial, sexual, and relationship variables were not convincing. A more precise definition of primary and secondary PVD is needed, and importantly, prospective, longitudinal studies are essential for clarifying any differences within these PVD subgroups.


Asunto(s)
Dolor Pélvico/etiología , Vestibulitis Vulvar/fisiopatología , Vestibulitis Vulvar/psicología , Vulvodinia/fisiopatología , Vulvodinia/psicología , Femenino , Neuroimagen Funcional , Humanos , Estudios Prospectivos , Conducta Sexual
13.
J Neurol Sci ; 369: 212-215, 2016 Oct 15.
Artículo en Inglés | MEDLINE | ID: mdl-27653891

RESUMEN

BACKGROUND: Pain is a bothersome non-motor symptom in patients with Parkinson's disease (PD), but the relationships between PD, presence of pain, different pain characteristics, and other non-motor symptoms such as mood and sleep disturbances are unclear. OBJECTIVE: To investigate the relationship between PD and pain as well as specific subtypes of pain with anxiety, depression and sleep quality. METHODS: This cross-sectional case-control study included two groups of PD patients; one with (n=37) and one without pain (n=37). Healthy controls with (n=37) and without pain (n=37) were recruited and matched to the PD groups for age and gender. All participants completed questionnaires regarding pain, mood and sleep. RESULTS: PD patients with pain showed significantly higher anxiety severity and poorer sleep quality than PD patients without pain. Compared to controls with pain, PD patients with pain had more anxiety, depression and worsened sleep quality. PD patients with pain were more likely to report akathisic, tension and sharp pain compared to controls with pain, but these three pain characteristics did not correlate with each other. There were no differences in depression, anxiety, or sleep between PD patients with akathisic, tension and sharp pain and those without. CONCLUSION: Pain in PD seems to be linked with specific pain characteristics (akathisic, tension and sharp pain) as well as heightened anxiety and worsened sleep quality. Integrative approach treatments which address pain in PD may also improve anxiety and sleep quality.


Asunto(s)
Ansiedad/epidemiología , Ansiedad/etiología , Dolor/complicaciones , Enfermedad de Parkinson/complicaciones , Trastornos del Sueño-Vigilia/epidemiología , Trastornos del Sueño-Vigilia/etiología , Anciano , Anciano de 80 o más Años , Estudios Transversales , Femenino , Humanos , Funciones de Verosimilitud , Masculino , Persona de Mediana Edad , Mortalidad , Dimensión del Dolor , Índice de Severidad de la Enfermedad
14.
Artículo en Inglés | MEDLINE | ID: mdl-27284853

RESUMEN

BACKGROUND: Although there are studies evaluating pain in Parkinson's disease (PD), to our knowledge, there is no study evaluating the following topics in a cohort of PD patients; (1) frequency of chronic pain, (2) characteristics of chronic pain, (3) severity of chronic pain, (4) types of chronic pain, (5) independent predictors of chronic pain, (6) impact of chronic pain on health-related quality of life (HRQoL), and (7) the role of chronic pain among the independent predictors of HRQoL. OBJECTIVE: The purpose of this study was to evaluate the frequency, characteristics, severity, types, and independent factors of chronic pain, as well as the relationship of chronic pain with HRQoL in a cohort of PD patients. METHODS: One-hundred and thirteen individuals with a confirmed diagnosis of PD who were consecutively referred to the Ministry of Health Ankara Diskapi Yildirim Beyazit Training and Research Hospital, Movement Disorders Outpatient Clinic were included in the study. Demographic variables, disease characteristics, disease-related motor symptoms and motor complications, comorbid conditions, and health-related quality of life were evaluated and recorded. Pain lasting longer than three months was defined as `chronic pain' and participants were questioned relating to the characteristics of the chronic pain. The Visual Analogue Scale was used for assessment of pain. RESULTS: Seventy-three patients (64.6%) suffered from chronic pain. Of these, 12 (16.4%) had previous pain at the time of diagnosis of PD. The sources of pain experienced by patients were 89.0% musculoskeletal, 31.5% radicular/peripheral neuropathic, 15.1% dystonic, and 4.1% central parkinsonian, respectively. Twenty-six patients (35.6%) had different types of pain simultaneously. The pain type with the highest severity was a central parkinsonian pain.The independent predictors of chronic pain included gender (female), Unified Parkinson's Disease Rating Scale (UPDRS) part II (activities of daily living), UPDRS part III (motor symptoms) rigidity subscore, and depression.When compared with individuals not having chronic pain, Medical Outcomes Study 36-Item Short-Form Health Survey (SF-36) Physical Component Summary and Mental Component Summary scores were lower in patients with chronic pain. Also, it was shown that the most significant factor on SF-36 was chronic pain. CONCLUSIONS: This study demonstrated that chronic pain is a common problem in patients with PD, that different pain types may co-exist, and that they may negatively affect the HRQoL of patients. Chronic pain was correlated with both disease-related factors such as rigidity and daily living activities and also general factors such as gender and depression. We found that chronic pain is the most significant predictor of quality of life in PD patients. We believe, that in addition to treating motor symptoms and complications associated with them, treatment of comorbid conditions such as pain and depression bear significance for improving the quality of life in PD patients. The study indicates that PD patients who are optimally treated, may require additional rehabilitation treatment for non-motor associated pain and thus improve their HRQoL.

15.
J Clin Diagn Res ; 7(7): 1408-13, 2013 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-23998077

RESUMEN

CONTEXT: Pain is a major health care problem for the patients with cancer and one of the most frequent and disturbing cancer related symptoms. AIM: To study the characteristics of pain in cancer patients and its pharmacological management by using a subjective self-assessment questionnaire and the World Health Organization (WHO)analgesic ladder for pain management. SETTINGS AND DESIGNS: This study was conducted in the Oncology Wards of Penang Hospital, Penang, Malaysia. A questionnaire was developed to assess the pain characteristics and their effect on the patients' daily life activities and the information on the pharmacological management of the cancer pain. The cancer pain intensity was noted from the patients' medical database. METHOD AND MATERIAL: By using the validated questionnaire, an observational, cross sectional study was conducted on the cancer patientswho were admitted in the oncology wards of Penang Hospital, Malaysia, for a period of 1 month. STATISTICAL ANALYSIS: Descriptive statistics like mean, frequency and percentages were used for this study. RESULTS AND CONCLUSION: A total of 42 patients out of 143, who fulfilled the criteria, were interviewed. The results showed mild pain in 66.7% (28) of the patients, moderate pain in 7.1% (3) and severe painin 26.2% (11). The normal daily life activities were affected by the pain in almost all the patients. Among the interviewed patients, sleep was affected in 88% (37) of the patients and the normal physical activity was affected in 92.9% (39) of the patients. Similarly, the pain decreased the appetite in 78.6% (33) of the patients, it affected the personal relationship in 35.7% (15), it affected the emotion in 71.5% (30) and it affected the visual activity in 33.6% (13) of the patients. Mild pain with distressing symptoms was not treated with any analgesic or adjuvant medications in 40.5% (17) of the patients. In contrast, all the patients with moderate and severe pain were treated with medications. Among them, 66.7% (2) of the patients with moderate pain and 90.9% (10) of the patients with severe pain were treated with analgesics as per the WHO analgesic ladder. The WHO analgesic ladder guide for pain management was followed in a majority of the cases, when analgesics were prescribed. However, there was inadequate treatment of the cancer pain in many patients with mild pain and, consequently, their quality of life was largely affected.

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