Effect of low- and high-frequency TENS on Met-enkephalin-Arg-Phe and dynorphin A immunoreactivity in human lumbar CSF.

abstract：:Brief electrical pulses were applied to the pulp of individual pre-molar teeth of 14 healthy, adult volunteers via wire electrodes implanted and sealed in dentine. The sensation threshold was estimated in each individual by the Two-Alternative Forced-Choice Staircase (2AFCS) method. Seven, 5 or 4 stimulus intensities ...

journal_title：Pain

authors： Fernandes de Lima VM,Chatrian GE,Lettich E,Canfield RC,Miller CR,Soso MJ

更新日期：1982-11-01 00:00:00

abstract：:microRNAs (miRNAs) are small noncoding RNAs that have been linked to a number of disease-related signal transduction pathways. Several studies indicate that they are also involved in nociception. It is not clear, however, which miRNAs are important and which genes are modulated by miRNA-associated mechanisms. This stu...

journal_title：Pain

authors： Kynast KL,Russe OQ,Möser CV,Geisslinger G,Niederberger E

更新日期：2013-03-01 00:00:00

abstract：:Analgesic response, incidental pain and pain mechanism were evaluated in order to predict the chances of pain relief in advanced cancer patients. In an observation period of about 2 months, 130 patients were followed at home until death using only a pharmacological approach to control pain according to the WHO ladders...

journal_title：Pain

authors： Mercadante S,Maddaloni S,Roccella S,Salvaggio L

更新日期：1992-08-01 00:00:00

abstract：ABSTRACT:While knee and hip replacements are intended to relieve pain and improve function, up to 44% of knee replacement patients and 27% of hip replacement patients report persistent postoperative joint pain. Improving surgical pain management is essential. We conducted a single-site, three-arm, parallel-group random...

journal_title：Pain

authors： Hanley AW,Gililland J,Erickson J,Pelt C,Peters C,Rojas J,Garland EL

更新日期：2021-01-12 00:00:00

abstract：:Plasticity in inhibitory receptors, neurotransmission, and networks is an important mechanism for nociceptive signal amplification in the spinal dorsal horn. We studied potential changes in GABAergic pharmacology and its underlying mechanisms in hyperalgesic priming, a model of the transition from acute to chronic pai...

journal_title：Pain

authors： Kim JV,Megat S,Moy JK,Asiedu MN,Mejia GL,Vagner J,Price TJ

更新日期：2016-06-01 00:00:00

abstract：:The clinical effectiveness of locally administered opioids is still under discussion; in particular, the potency of morphine in settings other than intra-articular arthroscopy has been questioned. We developed another pain model, postpartum resection of the fallopian tubes for sterilisation, in which each patient serv...

journal_title：Pain

authors： Rorarius M,Suominen P,Baer G,Pajunen P,Tuimala R,Laippala P

更新日期：1999-01-01 00:00:00

abstract：:The present study examined the relationship between depression and a constellation of pain-related variables that describe the experience of chronic pain patients. Thirty-seven depressed and 32 non-depressed heterogeneous chronic pain patients were identified through structured interviews, use of standardized criteria...

journal_title：Pain

authors： Haythornthwaite JA,Sieber WJ,Kerns RD

更新日期：1991-08-01 00:00:00

abstract：:Pain catastrophizing is a significant risk factor for patients with knee osteoarthritis (KOA) and thus is a target for many psychological interventions for pain. This study examined if interventions targeting sleep found to be effective in improving sleep in KOA also reduce pain catastrophizing measured as a trait thr...

journal_title：Pain

authors： Lerman SF,Finan PH,Smith MT,Haythornthwaite JA

更新日期：2017-11-01 00:00:00

abstract：:Previous evidence suggests that, in adult animals, nerve growth factor (NGF) can induce hyperalgesia, and may be an endogenous mediator in some persistent pain states. Here we have studied the effects of single intradermal injections of 50-500 ng of human recombinant NGF into the plantar skin of adult rat hindpaws. We...

journal_title：Pain

authors： Andreev NY,Dimitrieva N,Koltzenburg M,McMahon SB

更新日期：1995-10-01 00:00:00

abstract：:Tolerance to the antinociceptive (analgesic) effect of morphine, a mu-opioid agonist, was developed in male CD-1 mice as assessed by a shift to the right of the analgesic (tail-flick) dose-response curves and an increase in the ED50 values. Administration of dextromethorphan at 30 mg/kg s.c., but not saline, 30 min pr...

journal_title：Pain

authors： Elliott K,Hynansky A,Inturrisi CE

更新日期：1994-12-01 00:00:00

abstract：:The purpose of this study was to examine racial/ethnic-related differences in a four-stage model of the processing of chronic pain. The subjects were 1557 chronic pain patients (White=1084, African American=473) evaluated at a pain management clinic at a large southeastern university medical center. Using an analysis ...

journal_title：Pain

authors： Riley JL 3rd,Wade JB,Myers CD,Sheffield D,Papas RK,Price DD

更新日期：2002-12-01 00:00:00

abstract：:The somatosensory abnormalities in 20 men and 7 women (mean age 67 years, range 53-81) with central post-stroke pain (CPSP) have been analysed in detail with traditional neurological tests and quantitative methods. The cerebrovascular lesions were located in the lower brain-stem in 8 patients, involved the thalamus in...

journal_title：Pain

authors： Boivie J,Leijon G,Johansson I

更新日期：1989-05-01 00:00:00

abstract：:Activated mammalian target of rapamycin (P-mTOR) has been shown to maintain the sensitivity of subsets of small-diameter primary afferent A-nociceptors. Local or systemic inhibition of the mTOR complex 1 (mTORC1) pathway reduced punctate mechanical and cold sensitivity in neuropathic pain and therefore offered a new a...

journal_title：Pain

authors： Obara I,Medrano MC,Signoret-Genest J,Jiménez-Díaz L,Géranton SM,Hunt SP

更新日期：2015-08-01 00:00:00

abstract：:Venlafaxine hydrochloride (Effexor) is a structurally novel antidepressant that inhibits reuptake of 5-hydroxytryptamine and noradrenaline, but unlike the older antidepressants, has few side-effects. The objective of this study was to determine whether venlafaxine relieves thermal hyperalgesia in rats with neuropathic...

journal_title：Pain

authors： Lang E,Hord HA,Denson D

更新日期：1996-11-01 00:00:00

abstract：:The molecular/genetic era has seen the discovery of a staggering number of molecules implicated in pain mechanisms [18,35,61,69,96,133,150,202,224]. This has stimulated pharmaceutical and biotechnology companies to invest billions of dollars to develop drugs that enhance or inhibit the function of many these molecules...

journal_title：Pain

authors： Reichling DB,Green PG,Levine JD

更新日期：2013-12-01 00:00:00

abstract：:Chronic pain is more common in the elderly and impairs functioning and quality of life. Though obesity, defined by body mass index (BMI), has been associated with pain prevalence among older adults, the mechanism of this association remains unclear. We examined components of the metabolic syndrome, insulin resistance,...

journal_title：Pain

authors： Ray L,Lipton RB,Zimmerman ME,Katz MJ,Derby CA

更新日期：2011-01-01 00:00:00

abstract：:Part I of our earlier pilot study demonstrated that patients preferred modulated stimulation forms - frequency modulation and burst - rather than conventional continuous mode. To assess whether long-term therapeutic effects validate the immediate test results, this trial was performed in 14 patients with 21 pain condi...

journal_title：Pain

authors： Tulgar M,McGlone F,Bowsher D,Miles JB

更新日期：1991-11-01 00:00:00

abstract：:Twenty-six patients with severe pain associated with cancer were entered into a study where they were required to take morphine mixture for 7 days. Prior to this, their morphine dose had been optimised to provide the most favourable balance between pain relief and side effects. After 6 days of taking their optimised m...

journal_title：Pain

authors： Gourlay GK,Plummer JL,Cherry DA

更新日期：1995-06-01 00:00:00

abstract：:The perception of pain is highly variable. It depends on bottom-up-mediated factors like stimulus intensity and top-down-mediated factors like expectations. In the brain, pain is associated with a complex pattern of neuronal responses including evoked potentials and induced responses at alpha and gamma frequencies. Al...

journal_title：Pain

authors： Tiemann L,May ES,Postorino M,Schulz E,Nickel MM,Bingel U,Ploner M

更新日期：2015-02-01 00:00:00

abstract：:Tramadol hydrochloride is a synthetic mu-opioid agonist with additional monoaminergic activity. Tramadol's analgesic effect has been equated with that of pethidine, with a more favourable side-effect profile. Tramadol has been the most-selling prescription analgesic in Germany for several years, and it is now availabl...

journal_title：Pain

authors： Stubhaug A,Grimstad J,Breivik H

更新日期：1995-07-01 00:00:00

abstract：ABSTRACT:Efficacy of treatment is heavily dependent on experience and expectations. Moreover, humans can generalize from one experience to a perceptually similar but novel situation. We investigated whether and how this applies to pain relief, using ecologically valid tonic pain stimuli treated by surreptitiously lower...

journal_title：Pain

authors： Kampermann L,Tinnermann A,Büchel C

更新日期：2020-12-15 00:00:00

abstract：:The present study describes a new test of tonic pain to be used as an animal model of persistent pain. First, pain responses and edema produced by subcutaneous injection of increasing doses of honey bee venom into the hind paw of the rat were quantified. Second, the effect of morphine and aspirin on the pain responses...

journal_title：Pain

authors： Lariviere WR,Melzack R

更新日期：1996-08-01 00:00:00

abstract：ABSTRACT:High mobility group box 1 protein (HMGB1) is increasingly regarded as an important player in the spinal regulation of chronic pain. Although it has been reported that HMGB1 induces spinal glial activation in a Toll-like receptor (TLR)4-dependent fashion, the aspect of sexual dimorphisms has not been thoroughly...

journal_title：Pain

authors： Agalave NM,Rudjito R,Farinotti AB,Khoonsari PE,Sandor K,Nomura Y,Szabo-Pardi TA,Urbina CM,Palada V,Price TJ,Erlandsson Harris H,Burton MD,Kultima K,Svensson CI

更新日期：2021-02-01 00:00:00

abstract：:Chronic severe cervico-facial pain syndrome associated with a whiplash-type injury was successfully treated with epidural spinal cord stimulation. The patient had been in pain for 9 years, responding temporarily only to stellate ganglion blocks. The patient has now been painless for 18 months. We have been unable to f...

journal_title：Pain

authors： Kirvelä OA,Kotilainen E

更新日期：1999-03-01 00:00:00

abstract：:Advances in pain measurement using ecological momentary assessments offer novel opportunities for understanding the temporal dynamics of pain. This study examined whether regime-switching models, which capture processes characterized by recurrent shifts between different states, provide clinically relevant information...

journal_title：Pain

authors： Schneider S,Junghaenel DU,Ono M,Stone AA

更新日期：2018-07-01 00:00:00

abstract：:Pain modulation by placebo mechanisms is one of the most robust and best-studied phenomena, yet almost all research investigating the mechanisms and implications of the placebo analgesia are based on adult research. After highlighting crucial aspects that need to be considered in studying pain modulation in children, ...

journal_title：Pain

authors： Simmons K,Ortiz R,Kossowsky J,Krummenacher P,Grillon C,Pine D,Colloca L

更新日期：2014-11-01 00:00:00

abstract：:Below-level central neuropathic pain (CNP) affects a large proportion of spinal cord injured individuals. To better define the dynamic changes of the spinal cord neural network contributing to the development of CNP after spinal cord injury (SCI), we characterized the morphological and behavioral correlates of CNP in ...

journal_title：Pain

authors： Nees TA,Tappe-Theodor A,Sliwinski C,Motsch M,Rupp R,Kuner R,Weidner N,Blesch A

更新日期：2016-03-01 00:00:00

abstract：:Intrathecal administration of serotonin type 2 (5-HT(2)) receptor agonists, alpha-methyl-5-hydroxytryptamine maleate (alpha-m-5-HT) or (+/-)-1-(4-iodo-2,5-dimethoxyphenyl)-2-aminopropane hydrochloride (DOI), produces antiallodynic effects in a rat model of neuropathic pain. In the present study, we examined the antial...

journal_title：Pain

authors： Obata H,Saito S,Sakurazawa S,Sasaki M,Usui T,Goto F

更新日期：2004-03-01 00:00:00

abstract：:The present study investigated whether the level of cognitive impairment (CI) affects acute pain behavior and how it is manifested. Participants were 159 individuals (mean age 42+/-12), 121 with CI (divided into four groups according to the level of CI: mild, moderate, severe, profound) and 38 with normal cognition (c...

journal_title：Pain

authors： Defrin R,Lotan M,Pick CG

更新日期：2006-10-01 00:00:00

abstract：:Network meta-analysis uses direct comparisons of interventions within randomized controlled trials and indirect comparisons across them. Network meta-analysis uses more data than a series of direct comparisons with placebo, and theoretically should produce more reliable results. We used a Cochrane overview review of a...

journal_title：Pain

authors： Moore RA,Derry S,Wiffen PJ,Banerjee S,Karan R,Glimm E,Wiksten A,Aldington D,Eccleston C

更新日期：2018-11-01 00:00:00