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Yvonne Lee pain

A J Dave, F Selzer, E Losina, I Usiskin, J E Collins, Y C Lee, P Band, D F Dalury, R Iorio, K Kindsfater, J N Katz
OBJECTIVE: Approximately 20% of total knee arthroplasty (TKA) recipients have suboptimal pain relief. We evaluated the association between pre-surgical widespread body pain and incomplete pain relief following TKA. METHOD: This prospective analysis included 241 patients with knee osteoarthritis (OA) undergoing unilateral TKA who completed questionnaires preoperatively and up to 12 months post-operatively. Questionnaires included the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) pain scale and a body pain diagram...
December 14, 2016: Osteoarthritis and Cartilage
Yvonne C Lee, Arun S Karlamangla, Zhi Yu, Chih-Chin Liu, Joel S Finkelstein, Gail A Greendale, Siobán D Harlow, Daniel H Solomon
: The development of pain is common in midlife, resulting in increased health care utilization and costs. The aim of this study was to determine the longitudinal trajectory of overall bodily pain among women during the transition between the reproductive years and menopause. We conducted analyses on a community-based, longitudinal cohort of women enrolled in the Study of Women's Health Across the Nation. One thousand four hundred ninety-five women met inclusion criteria, including: 1) defined date of the final menstrual period (FMP), and 2) complete data on Short Form-36 bodily pain...
November 9, 2016: Journal of Pain: Official Journal of the American Pain Society
Chi Wai Cheung, Siu Wai Choi, Stanley Sau Ching Wong, Yvonne Lee, Michael Garnet Irwin
BACKGROUND: Chronic pain is expected to increase as the population ages. This study aimed to investigate the changes in prevalence, patterns, and help-seeking behavior of chronic pain and prevalence of neuropathic pain of an aging population in Hong Kong. METHODS: A cross-sectional, telephone interview with a structured questionnaire was conducted in a randomly selected sample of adults with acute or chronic pain of any kind in the general population to estimate the prevalence of chronic and neuropathic pain, and to describe sociodemographics and help-seeking behavior...
October 13, 2016: Pain Practice: the Official Journal of World Institute of Pain
Sean D Boyden, Imtiyaz N Hossain, Alyssa Wohlfahrt, Yvonne C Lee
Although pain in rheumatoid arthritis (RA) is frequently thought to be inflammatory in nature, the association between measures of inflammation and pain intensity is low. This observation is likely due to the multifactorial nature of pain. In addition to pain from joint inflammation, RA patients may also have pain due to structural damage or central etiologies, such as aberrancies in the central nervous system (CNS) pain regulatory pathways. These CNS pathways include mechanisms that facilitate pain, as well as mechanisms that inhibit pain...
June 2016: Current Rheumatology Reports
Yvonne C Lee, Elena Massarotti, Robert R Edwards, Bing Lu, ChihChin Liu, Yuanyu Lo, Alyssa Wohlfahrt, Nancy D Kim, Daniel J Clauw, Daniel H Solomon
OBJECTIVE: Clinical trials have shown that serotonin norepinephrine reuptake inhibitors, such as milnacipran, decrease pain in noninflammatory pain conditions such as fibromyalgia and osteoarthritis. We examined the effect of milnacipran on self-reported pain intensity and experimental pain sensitivity among patients with rheumatoid arthritis (RA) with widespread pain and stable RA disease activity. METHODS: In this double-blind, crossover study, patients with RA with widespread pain, receiving a stable treatment regimen, were randomized (by a random number generator) to receive milnacipran 50 mg twice daily or placebo for 6 weeks, followed by a 3-week washout and crossed over to the other arm for the remaining 6 weeks...
January 2016: Journal of Rheumatology
Sheng Jia Low, Stanley Sau Ching Wong, Qiu Qiu, Yvonne Lee, Timmy Chi Wing Chan, Michael G Irwin, Chi Wai Cheung
Acute pain services (APS) have evolved over time. Strategies nowadays emphasize multimodal analgesic regimes using a combination of nonopioid adjuvant analgesic drugs, peripheral nerve blocks, and local anaesthetic wound infiltration where appropriate. APS should be assessed over time to evaluate changes in outcomes which form the basis for future development. In this audit, data of patients under APS care in Queen Mary hospital, Hong Kong, between 2009 and 2012 were analyzed and compared with data from a previous audit between 1992 and 1995...
October 2015: Medicine (Baltimore)
Ezra Cohen, Yvonne C Lee
Pain from osteoarthritis (OA) affects millions of people worldwide, yet treatments are limited to acetaminophen, NSAIDs, physical therapy, and ultimately, surgery when there is significant disability. In recent years, our understanding of pain pathways in OA has developed considerably. Though joint damage and inflammation play a significant role in pain generation, it is now understood that both central and peripheral nervous system mechanisms exacerbate symptoms. Evolving management strategies for OA address central factors (e...
December 2015: Current Osteoporosis Reports
Wan-Hung Lee, Zhili Xu, Nicole M Ashpole, Andy Hudmon, Pushkar M Kulkarni, Ganesh A Thakur, Yvonne Y Lai, Andrea G Hohmann
Aberrant increases in NMDA receptor (NMDAR) signaling contributes to central nervous system sensitization and chronic pain by activating neuronal nitric oxide synthase (nNOS) and generating nitric oxide (NO). Because the scaffolding protein postsynaptic density 95kDA (PSD95) tethers nNOS to NMDARs, the PSD95-nNOS complex represents a therapeutic target. Small molecule inhibitors IC87201 (EC5O: 23.94 μM) and ZL006 (EC50: 12.88 μM) directly inhibited binding of purified PSD95 and nNOS proteins in AlphaScreen without altering binding of PSD95 to ErbB4...
October 2015: Neuropharmacology
HyungChul Ryu, Sejin Seo, Myeong Seop Kim, Mi-Yeon Kim, Ho Shin Kim, Jihyae Ann, Phuong-Thao Tran, Van-Hai Hoang, Jieun Byun, Minghua Cui, Karam Son, Pankaz Kumar Sharma, Sun Choi, Peter M Blumberg, Robert Frank-Foltyn, Gregor Bahrenberg, Babette-Yvonne Koegel, Thomas Christoph, Sven Frormann, Jeewoo Lee
A series of 2-aryl pyridine C-region derivatives of 2-(3-fluoro-4-methylsulfonylaminophenyl)propanamides were investigated as hTRPV1 antagonists. Multiple compounds showed highly potent TRPV1 antagonism toward capsaicin comparable to previous lead 7. Among them, compound 9 demonstrated anti-allodynia in a mouse neuropathic pain model and blocked capsaicin-induced hypothermia in a dose-dependent manner. Docking analysis of 9 with our hTRPV1 homology model provided insight into its specific binding mode.
August 15, 2014: Bioorganic & Medicinal Chemistry Letters
Yvonne C Lee, Michelle L Frits, Christine K Iannaccone, Michael E Weinblatt, Nancy A Shadick, David A Williams, Jing Cui
OBJECTIVE: Among patients with rheumatoid arthritis (RA), pain may be attributed to peripheral inflammation or other causes, such as central pain mechanisms. The aim of this study was to use self-report measures and physical examination findings to identify clusters of RA patients who may have different causes of pain as well as different prognoses and treatment options. METHODS: Data from 169 RA patients with pain scores of >0 (on a 10-point numeric rating scale) in the Brigham and Women's Hospital Rheumatoid Arthritis Sequential Study were analyzed...
August 2014: Arthritis & Rheumatology
Yvonne C Lee
No abstract text is available yet for this article.
February 2014: Arthritis Care & Research
Yvonne C Lee
Pain is the most common reason patients with inflammatory arthritis see a rheumatologist. Patients consistently rate pain as one of their highest priorities, and pain is the single most important determinant of patient global assessment of disease activity. Although pain is commonly interpreted as a marker of inflammation, the correlation between pain intensity and measures of peripheral inflammation is imperfect. The prevalence of chronic, non-inflammatory pain syndromes such as fibromyalgia is higher among patients with inflammatory arthritis than in the general population...
January 2013: Current Rheumatology Reports
Yvonne C Lee, Bing Lu, Robert R Edwards, Ajay D Wasan, Nicholas J Nassikas, Daniel J Clauw, Daniel H Solomon, Elizabeth W Karlson
OBJECTIVE: Among rheumatoid arthritis (RA) patients, the intensity of pain may be out of proportion to the severity of peripheral inflammation. This observation suggests that mechanisms of central nervous system pain amplification, such as diminished conditioned pain modulation (CPM), may play a role in enhancing pain perception among some RA patients. This study was undertaken to examine the level of CPM, pressure-pain threshold, and pressure-pain tolerance among RA patients compared to healthy controls...
January 2013: Arthritis and Rheumatism
Anand Vaidya, Christin N Price, Yvonne C Lee
No abstract text is available yet for this article.
August 16, 2012: New England Journal of Medicine
Yvonne C Lee, Bing Lu, Gilles Boire, Boulos Paul Haraoui, Carol A Hitchon, Janet E Pope, J Carter Thorne, Edward Clark Keystone, Daniel H Solomon, Vivian P Bykerk
OBJECTIVES: Secondary fibromyalgia (FM) is common among patients with inflammatory arthritis, but little is known about its incidence and the factors leading to its development. The authors examined the incidence of secondary FM in an early inflammatory arthritis cohort, and assessed the association between pain, inflammation, psychosocial variables and the clinical diagnosis of FM. METHODS: Data from 1487 patients in the Canadian Early Arthritis Cohort, a prospective, observational Canadian cohort of early inflammatory arthritis patients were analysed...
June 2013: Annals of the Rheumatic Diseases
Stuart M Chambers, Yuchen Qi, Yvonne Mica, Gabsang Lee, Xin-Jun Zhang, Lei Niu, James Bilsland, Lishuang Cao, Edward Stevens, Paul Whiting, Song-Hai Shi, Lorenz Studer
Considerable progress has been made in identifying signaling pathways that direct the differentiation of human pluripotent stem cells (hPSCs) into specialized cell types, including neurons. However, differentiation of hPSCs with extrinsic factors is a slow, step-wise process, mimicking the protracted timing of human development. Using a small-molecule screen, we identified a combination of five small-molecule pathway inhibitors that yield hPSC-derived neurons at >75% efficiency within 10 d of differentiation...
July 2012: Nature Biotechnology
Yvonne C Lee, Jing Cui, Bing Lu, Michelle L Frits, Christine K Iannaccone, Nancy A Shadick, Michael E Weinblatt, Daniel H Solomon
INTRODUCTION: Disease remission has become a feasible goal for most rheumatoid arthritis (RA) patients; however, patient-reported symptoms, such as pain, may persist despite remission. We assessed the prevalence of pain in RA patients in remission according to the Disease Activity Score (DAS28-CRP4) and the American College of Rheumatology/European League Against Rheumatism (ACR/EULAR) remission criteria. METHODS: Data were analyzed from RA patients in the Brigham Rheumatoid Arthritis Sequential Study with data at baseline and 1 year...
2011: Arthritis Research & Therapy
Yvonne C Lee, Nicholas J Nassikas, Daniel J Clauw
Pain is a key component of most rheumatologic diseases. In fibromyalgia, the importance of central nervous system pain mechanisms (for example, loss of descending analgesic activity and central sensitization) is well documented. A few studies have also noted alterations in central pain processing in osteoarthritis, and some data, including the observation of widespread pain sensitivity, suggest that central pain-processing defects may alter the pain response in rheumatoid arthritis patients. When central pain is identified, different classes of analgesics (for example, serotonin-norepinephrine reuptake inhibitors, α2δ ligands) may be more effective than drugs that treat peripheral or nociceptive pain (for example, nonsteroidal anti-inflammatory drugs and opioids)...
2011: Arthritis Research & Therapy
Yvonne C Lee, Bing Lu, Joan M Bathon, Jennifer A Haythornthwaite, Michael T Smith, Gayle G Page, Robert R Edwards
OBJECTIVE: To assess experimental pain sensitivity and compare the inflammatory response to pain in 26 osteoarthritis (OA) patients and 33 age- and sex-matched controls from the general population in order to examine the nature of the association between pain and inflammation in OA. METHODS: The participants underwent psychophysical pain testing to assess pain sensitivity in response to heat, cold, and mechanical stimuli. Blood samples were taken at baseline and at 4 time points after testing to determine the effect of acute pain on C-reactive protein (CRP), interleukin-6 (IL-6), IL-1β, and tumor necrosis factor α levels...
March 2011: Arthritis Care & Research
Yvonne C Lee, Lori B Chibnik, Bing Lu, Ajay D Wasan, Robert R Edwards, Anne H Fossel, Simon M Helfgott, Daniel H Solomon, Daniel J Clauw, Elizabeth W Karlson
INTRODUCTION: Despite recent advances in anti-inflammatory therapy, rheumatoid arthritis (RA) patients continue to rate pain as a priority. The etiology of RA pain is likely multifactorial, including both inflammatory and non-inflammatory components. In this study, we examine the association between disease activity, sleep, psychiatric distress and pain sensitivity in RA. METHODS: Fifty-nine female RA patients completed questionnaires and underwent pressure pain threshold testing to assess hyperalgesia/allodynia at joint and non-joint sites...
2009: Arthritis Research & Therapy
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