Displaying publications 81 - 100 of 1284 in total

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  1. Tamam S, Ahmad AH
    Malays J Med Sci, 2017 May;24(3):5-14.
    PMID: 28814928 MyJurnal DOI: 10.21315/mjms2017.24.3.2
    Pain is modulated by various factors, the most notable of which is emotions. Since love is an emotion, it can also modulate pain. The answer to the question of whether it enhances or reduces pain needs to be determined. A review was conducted of animal and human studies in which this enigmatic emotion and its interaction with pain was explored. Recent advances in neuroimaging have revealed similarities in brain activation relating to love and pain. At the simplest level, this interaction can be explained by the overlapping network structure in brain functional connectivity, although the explanation is considerably more complex. The effect of love can either result in increased or decreased pain perception. An explanation of the interaction between pain and love relates to the functional connectivity of the brain and to the psychological construct of the individual, as well as to his or her ability to engage resources relating to emotion regulation. In turn, this determines how a person relates to love and reacts to pain.
    Matched MeSH terms: Pain; Pain Perception
  2. Lim MY, Chen HC, Omar MA
    J Vet Med Educ, 2014;41(2):197-203.
    PMID: 24589865 DOI: 10.3138/jvme.0713-099R1
    The ability to assess and control pain is listed as one of the desired Day One competencies among veterinary graduates. As such, a study was conducted to examine the current status and effectiveness of a video-based training module on the attitude toward and knowledge of pain assessment in cats among fourth- and final-year veterinary students of Universiti Putra Malaysia (UPM) in January of 2013. A total of 92 students participated in this study, resulting in a response rate of 60.1%. Upon completion of a pre-training survey, the respondents undertook an interactive video-based presentation, followed by a post-training survey. The majority of the students (96.7%) agreed on the importance of pain management. Before the training, many (76.1%) disagreed that they had received adequate training, while 53.3% were not confident in their pain-recognition skills. After training, their knowledge and confidence in pain assessment increased. Responses to the survey were not associated with differences in gender, level of study, or field of interest. Students were found to have mistaken some physiologic parameters as good pain indicators after ovariohysterectomy. Their assessment of three standardized video cases revealed that they could recognize prominent signs of pain but failed to identify changes in behavior that were more subtle. Refinement to the training module is required to address the above deficiencies.
    Matched MeSH terms: Pain Measurement/methods*; Pain Measurement/veterinary; Pain, Postoperative/diagnosis; Pain, Postoperative/veterinary*
  3. Menke JM
    Spine (Phila Pa 1976), 2014 Apr 1;39(7):E463-72.
    PMID: 24480940 DOI: 10.1097/BRS.0000000000000230
    STUDY DESIGN: Meta-analysis methodology was extended to derive comparative effectiveness information on spinal manipulation for low back pain.
    OBJECTIVE:
    Determine relative effectiveness of spinal manipulation therapies (SMTs), medical management, physical therapies, and exercise for acute and chronic nonsurgical low back pain.
    SUMMARY OF BACKGROUND DATA: Results of spinal manipulation treatments of nonsurgical low back pain are equivocal. Nearly 40 years of SMT studies were not informative.
    METHODS: Studies were chosen on the basis of inclusion in prior evidence syntheses. Effect sizes were converted to standardized mean effect sizes and probabilities of recovery. Nested model comparisons isolated nonspecific from treatment effects. Aggregate data were tested for evidential support as compared with shams.
    RESULTS: Of 84% acute pain variance, 81% was from nonspecific factors and 3% from treatment. No treatment for acute pain exceeded sham's effectiveness. Most acute results were within 95% confidence bands of that predicted by natural history alone. For chronic pain, 66% of 98% was nonspecific, but treatments influenced 32% of outcomes. Chronic pain treatments also fit within 95% confidence bands as predicted by natural history. Though the evidential support for treating chronic back pain as compared with sham groups was weak, chronic pain seemed to respond to SMT, whereas whole systems of clinical management did not.
    CONCLUSION: Meta-analyses can extract comparative effectiveness information from existing literature. The relatively small portion of outcomes attributable to treatment explains why past research results fail to converge on stable estimates. The probability of treatment superiority matched a binomial random process. Treatments serve to motivate, reassure, and calibrate patient expectations--features that might reduce medicalization and augment self-care. Exercise with authoritative support is an effective strategy for acute and chronic low back pain.
    Matched MeSH terms: Low Back Pain/therapy*; Chronic Pain/therapy; Acute Pain/therapy
  4. Kean Chen C, Nizar AJ
    Pain Pract, 2013 Apr;13(4):276-81.
    PMID: 22863240 DOI: 10.1111/j.1533-2500.2012.00585.x
    Piriformis syndrome is a collection of symptoms and signs of pain from piriformis muscle and is characterized by pain in buttock with variable involvement of sciatic nerve. This syndrome is often overlooked in clinical practice because its presentation has similarities with other spine pathologies. A major problem with the clinical diagnosis of piriformis syndrome is the lack of consistent objective findings and an absence of single test that is specific for piriformis syndrome. Therefore, a precise and reliable clinical method of diagnosing piriformis syndrome should be developed by clinicians.
    Matched MeSH terms: Pain Measurement; Low Back Pain/complications*; Low Back Pain/diagnosis; Low Back Pain/epidemiology; Pain Management
  5. Thor JA, Mohamed Hanapi NH, Halil H, Suhaimi A
    Pain Med, 2017 10 01;18(10):2041-2045.
    PMID: 28460075 DOI: 10.1093/pm/pnx063
    Matched MeSH terms: Pain/diagnosis; Pain/drug therapy*; Complex Regional Pain Syndromes/diagnosis; Complex Regional Pain Syndromes/drug therapy*
  6. The Lancet
    Lancet, 2019 05 11;393(10184):1912.
    PMID: 31084952 DOI: 10.1016/S0140-6736(19)31005-0
    Matched MeSH terms: Pain/prevention & control*; Pain Management/economics; Pain Management/methods*; Pain Management/standards
  7. Kinfe TM, Buchfelder M, Chaudhry SR, Chakravarthy KV, Deer TR, Russo M, et al.
    Int J Mol Sci, 2019 Sep 24;20(19).
    PMID: 31554241 DOI: 10.3390/ijms20194737
    Chronic pain is a devastating condition affecting the physical, psychological, and socioeconomic status of the patient. Inflammation and immunometabolism play roles in the pathophysiology of chronic pain disorders. Electrical neuromodulation approaches have shown a meaningful success in otherwise drug-resistant chronic pain conditions, including failed back surgery, neuropathic pain, and migraine. A literature review (PubMed, MEDLINE/OVID, SCOPUS, and manual searches of the bibliographies of known primary and review articles) was performed using the following search terms: chronic pain disorders, systemic inflammation, immunometabolism, prediction, biomarkers, metabolic disorders, and neuromodulation for chronic pain. Experimental studies indicate a relationship between the development and maintenance of chronic pain conditions and a deteriorated immunometabolic state mediated by circulating cytokines, chemokines, and cellular components. A few uncontrolled in-human studies found increased levels of pro-inflammatory cytokines known to drive metabolic disorders in chronic pain patients undergoing neurostimulation therapies. In this narrative review, we summarize the current knowledge and possible relationships of available neurostimulation therapies for chronic pain with mediators of central and peripheral neuroinflammation and immunometabolism on a molecular level. However, to address the needs for predictive factors and biomarkers, large-scale databank driven clinical trials are needed to determine the clinical value of molecular profiling.
    Matched MeSH terms: Pain Measurement; Chronic Pain/diagnosis; Chronic Pain/etiology*; Chronic Pain/metabolism*; Chronic Pain/therapy; Pain Management
  8. Foo CN, Arumugam M, Lekhraj R, Lye MS, Mohd-Sidik S, Jamil Osman Z
    PMID: 32858791 DOI: 10.3390/ijerph17176179
    BACKGROUND: Psychosocial interventions for patients with osteoarthritis (OA) of the knee to reduce pain and improve physical and psychological functioning are still lacking in Malaysia.

    METHODS: A parallel-group unblinded randomized controlled trial involving 300 patients was conducted in two hospital orthopedics clinics in Malaysia. Patients were randomly assigned to receive cognitive behavioral-based group therapy (n = 150) or no further intervention (n = 150). The primary outcome was the change from baseline in knee pain as determined by the Knee injury and Osteoarthritis Outcome Score (KOOS) at 6 months. The data collected were analyzed by covariate-adjusted mixed design repeated measures analysis of variance. All analyses were performed under the terms of intention-to-treat.

    RESULTS: At 6 months, mean change from baseline in the KOOS knee pain score was 0.6 points (95% CI -1.73 to 2.94) in the control group and 8.9 points (95% CI 6.62 to 11.23) (denoting less knee pain intensity) in the intervention group (significant treatment effect p < 0.0001). Patients treated with such an approach also experienced significant improvement in functional ability when performing activities of daily living and had improved ability to cope with depression, anxiety and pain catastrophizing.

    CONCLUSION: The intervention module delivered by healthcare professionals had a sustained effect on knee OA pain and functionality over 6 months, thereby leading to an overall improvement in psychological well-being, thus benefitting most of the Malaysian knee OA patients.

    Matched MeSH terms: Pain/epidemiology; Pain/psychology*; Pain Measurement/methods*; Pain Management/methods*
  9. Akhavan Hejazi SM, Mazlan M
    Acta Med Iran, 2012;50(4):292-4.
    PMID: 22592581
    Post-stroke shoulder pain is associated with either a peripheral or central pathology. However, most of the time, it is challenging to establish a cause-and-effect relationship between the suggested pathology and shoulder pain reported. We report a 66 year-old man who developed a right hemiplegic shoulder pain two months post stroke with initial investigations suggestive of peripheral pathologies. Pharmacological and non-pharmacological treatment did not improve his shoulder pain. Later he developed complex regional pain syndrome (CRPS) of the right hand and the initial shoulder pain subsequently relieved following resolution of the CRPS.
    Matched MeSH terms: Pain Measurement; Shoulder Pain/diagnosis; Shoulder Pain/etiology*; Shoulder Pain/therapy; Acute Pain/diagnosis; Acute Pain/etiology*; Acute Pain/therapy
  10. Buhari S, Hashim K, Yong Meng G, Mustapha NM, Gan SH
    ScientificWorldJournal, 2012;2012:564939.
    PMID: 22778699 DOI: 10.1100/2012/564939
    Subcutaneous (SC) administration of tramadol was compared with intravenous (IV) administration to evaluate analgesia following canine ovariohysterectomy (OHE). Healthy female dogs (n = 12) between 1 and 3 years of age (1.95 ± 0.65 years), weighing between 10.5 and 17.1 kg (13.12 ± 1.95 kg), were used. Pain was assessed at baseline before surgery and then hourly for 8 hr after surgery. Tramadol was administered both SC and IV at a dose of 3 mg/kg and provided significant postoperative analgesia, as indicated by analgesiometry, β-endorphin levels, and interleukin 6 (IL-6) levels. The respiratory rates and rectal temperatures remained normal and were not significantly different between or within the groups. A significant increase in heart rate was observed at 4 hr for dogs in both groups relative to the baseline, but there was no significant difference in heart rates between the groups at any time point. A significant decrease in mechanical pain threshold was observed within each group after surgery, but both groups responded similarly, suggesting that SC administration of tramadol is as effective as IV administration. Increased serum levels of both IL-6 and β-endorphin 3 hr postoperatively further indicate that both routes of administration achieve similar pain control. Thus, the relative analgesic efficacy of SC tramadol is comparable to that of IV administration and can be used to achieve similar effects for postsurgical pain management in dogs undergoing OHE.
    Matched MeSH terms: Pain Measurement/drug effects; Pain Measurement/veterinary; Pain, Postoperative/prevention & control*; Pain, Postoperative/veterinary*; Acute Pain/prevention & control; Acute Pain/veterinary
  11. Ngeow WC, Nair R
    PMID: 20219585 DOI: 10.1016/j.tripleo.2009.03.021
    This article illustrates a case of persistent trigeminal neuralgia in a medically compromised 65-year-old female who did not respond to pharmacotherapy. She had undergone several peripheral neurectomies as well as a failed right posterior fossa exploration that resulted in a cerebrospinal fluid leak. Persistent pain over the right external nasal area and right mental region was relieved for several hours after daily injections of bupivacaine. A trial of a single dose of 100 units of botulinum toxin type A (BOTOX) diluted in 2.5 mL saline was injected into the external nasal trigger zone (60 units) and to the mental nerve region (40 units). She achieved complete pain relief in the external nasal region for 5 months. Pain recurred and the site was again injected with 100 units of botulinum toxin type A (BOTOX). Pain relief at the mental region was partial. This was finally controlled with peripheral neurectomy. The patient was pain free with a maintenance dose of 200 mg carbamazepine daily for about 1 year, after which she elected to undergo stereotactic gamma knife radiosurgery when pain recurred at the external nasal region.
    Matched MeSH terms: Facial Pain/drug therapy; Facial Pain/etiology; Myofascial Pain Syndromes/complications; Myofascial Pain Syndromes/drug therapy*; Pain, Intractable/drug therapy; Pain, Intractable/etiology
  12. Devi BCR, Tang TS
    Oncology, 2008;74 Suppl 1:35-9.
    PMID: 18758195 DOI: 10.1159/000143216
    BACKGROUND: Monitoring acute postoperative pain as the fifth vital sign is currently practiced in many developed countries. In Sarawak, pain is an important symptom as 70% of cancer patients present with advanced disease. As the existing validated pain assessment tools were found to be difficult to use, we studied the feasibility of modifying the use of a pain assessment tool, consisting of the short form of the Brief Pain Inventory and the Wong-Baker Faces Scale.
    METHOD: This tool was used to document pain in all 169 patients who were admitted for pain control to the oncology ward between July 2000 and June 2001. Nurses were trained in the use of the modified scale before the start of the study.
    RESULTS: The method was easy to use, and the mean number of days to reduce pain was found to be 3.1 days (SD: 2.9; median: 2 days; range: 1-31 days). At discharge, none in the group with initially mild pain had pain, and the severity of pain for 98% of patients with moderate pain and 61% with severe pain was downgraded to mild pain.
    CONCLUSION: The staff found that the tool allowed continuous pain assessment in an objective manner.
    Matched MeSH terms: Pain Measurement/methods*; Pain, Postoperative/diagnosis*; Pain, Postoperative/therapy
  13. ACHEON Working Group, Kim YC, Ahn JS, Calimag MM, Chao TC, Ho KY, et al.
    Cancer Med, 2015 Aug;4(8):1196-204.
    PMID: 25914253 DOI: 10.1002/cam4.471
    In order to implement more effective policies for cancer pain management, a better understanding of current practices is needed. Physicians managing cancer pain and patients experiencing cancer pain were randomly surveyed across 10 Asian countries to assess attitudes and perceptions toward cancer pain management. A total of 463 physicians (77.3% oncologists) with a median experience of 13 years were included. Medical school training on opioid use was considered inadequate by 30.5% of physicians and 55.9% indicated ≤ 10 h of continuing medical education (CME). Of the 1190 patients included, 1026 reported moderate-to-severe pain (median duration, 12 months). Discordance was observed between physician and patient outcomes on pain assessment with 88.3% of physicians reporting pain quantification, while 49.5% of patients claimed that no scale was used. Inadequate assessment of pain was recognized as a barrier to therapy optimization by 49.7% of physicians. Additional barriers identified were patients' reluctance owing to fear of addiction (67.2%) and adverse events (65.0%), patients' reluctance to report pain (52.5%), excessive regulations (48.0%) and reluctance to prescribe opioids (42.8%). Opioid use was confirmed only in 53.2% (286/538) of patients remembering their medication. Pain affected the activities of daily living for 81.3% of patients. These findings highlight the need for better training and CME opportunities for cancer pain management in Asia. Collaborative efforts between physicians, patients, policy makers, and related parties may assist in overcoming the barriers identified. Addressing the opioid stigma and enhancing awareness is vital to improving current standards of patient care.
    Matched MeSH terms: Pain/etiology*; Pain/epidemiology*; Pain Management*
  14. Das S, Rajalingham S
    Pain, 2012 Jan;153(1):250-251.
    PMID: 22119339 DOI: 10.1016/j.pain.2011.10.039
    Matched MeSH terms: Pain/blood*; Pain/drug therapy*; Pain Measurement/drug effects*
  15. Zahari Z, Ishak A, Justine M
    J Back Musculoskelet Rehabil, 2020;33(2):245-254.
    PMID: 31356191 DOI: 10.3233/BMR-181305
    OBJECTIVES: This study aimed to gain an overview of patient education and the effects of patient education for older people with low back pain (LBP).

    METHODS: The search strategies were performed via EBSCO MEDLINE, EBSCO CINAHL, Science Direct, PubMed, and PEDro databases from 2006 to 2016. The keywords "patient education", "low back pain", "elderly", "older adults", "older persons" and "older people" were used during the literature search. Boolean operators were used to expand or limit the searching scope and manual exclusion was performed to choose articles eligible for this study.

    RESULTS: A total of 2799 articles were retrieved but only five articles were related with patient education for older people with LBP. Findings suggest that patient education for older people may differ in terms of its contents such as health education, self-management, video education, and postural education. The high methodological quality of the studies revealed that patient education showed improvement in terms of pain, disability and quality of life among older people with LBP.

    CONCLUSIONS: Patient education improved pain and had positive effects on disability and quality of life among older people with LBP. However, due to the limited number of RCTs more studies are needed to provide evidence for its effectiveness.

    Matched MeSH terms: Pain Measurement; Low Back Pain/diagnosis; Low Back Pain/psychology; Low Back Pain/therapy*
  16. Dhondt E, Van Oosterwijck J, Cagnie B, Adnan R, Schouppe S, Van Akeleyen J, et al.
    J Back Musculoskelet Rehabil, 2020;33(2):277-293.
    PMID: 31356190 DOI: 10.3233/BMR-181125
    BACKGROUND: There is a growing need to identify patient pre-treatment characteristics that could predict adherence and outcome following specific interventions.

    OBJECTIVE: To identify predictors of adherence and outcome to outpatient multimodal rehabilitation in chronic low back pain (CLBP).

    METHODS: A total of 273 CLBP patients participated in an exercise-based rehabilitation program. Patients who completed ⩾ 70% of the treatment course were classified as adherent. Patients showing a post-treatment reduction of ⩾ 30% in Oswestry Disability Index (ODI) and Visual Analogue Scale (VAS) back pain intensity scores were assigned to the favorable outcome group.

    RESULTS: Multivariate logistic regression revealed that higher age, higher ability to perform low-load activities, and higher degrees of kinesiophobia increased the odds to complete the rehabilitation program. By contrast, lower levels of education and back pain unrelated to poor posture increased the odds for non-adherence. Furthermore, a favorable outcome was predicted in case the cause for LBP was known, shorter symptom duration, no pain in the lower legs, no difficulties falling asleep, and short-term work absenteeism.

    CONCLUSIONS: Assessment and consideration of patient pre-treatment characteristics is of great importance as they may enable therapists to identify patients with a good prognosis or at risk for non-responding to outpatient multimodal rehabilitation.

    Matched MeSH terms: Pain Measurement; Low Back Pain/rehabilitation*; Chronic Pain/rehabilitation*
  17. Zwiri A, Alrawashdeh MA, Khan M, Ahmad WMAW, Kassim NK, Ahmed Asif J, et al.
    Pain Res Manag, 2020;2020:5971032.
    PMID: 33005278 DOI: 10.1155/2020/5971032
    Objective: The aim of this systematic review was to evaluate the effectiveness of laser application in temporomandibular joint disorder.

    Methods: PubMed, SCOPUS, Science Direct, Web of Science, and Google Scholar electronic databases were searched systematically with restricting the languages to only English and year (January 2001 to March 2020), and studies were selected based on the inclusion criteria. Study quality and publication bias were assessed by using the Robvis, a software package of R statistical software.

    Results: This systematic review included 32 studies (1172 patients) based on the inclusion and exclusion criteria. Most of the studies reported significant reduction of pain by the use of the laser during TMD treatment. Two-thirds of the study (78.13%) found a better outcome comparing with conventional one. According to Robvis, 84.4% of the studies were high methodological studies with low risk of bias.

    Conclusion: TMD patients suffer with continuous pain for long time even after conventional treatment. Laser therapy shows a promising outcome of pain reduction for TMD patients. Therefore, laser therapy can be recommended for the TMD patients' better outcome. This trial is registered with PROSPERO (CRD42020177562).

    Matched MeSH terms: Pain/radiotherapy; Pain Management/instrumentation*; Pain Management/methods*
  18. Pal S, Dixit R, Moe S, Godinho MA, Abas AB, Ballas SK, et al.
    Cochrane Database Syst Rev, 2020 03 03;3:CD012762.
    PMID: 32124977 DOI: 10.1002/14651858.CD012762.pub2
    BACKGROUND: Sickle cell disease (SCD), one of the most common inherited disorders, is associated with vaso-occlusive pain episodes and haemolysis leading to recurrent morbidity, hospital admissions and work or school absenteeism. The crises are conventionally treated with opioids, non-opioids and other adjuvants with the risk of developing complications, addictions and drug-seeking behaviour. Different non-pharmacological treatments, such as transcutaneous electrical nerve stimulation (TENS) have been used for managing pain in other painful conditions. Hence, the efficacy of TENS for managing pain in SCD needs to be reviewed.

    OBJECTIVES: To assess the benefits and harms of TENS for managing pain in people with SCD who experience pain crises or chronic pain (or both).

    SEARCH METHODS: We searched the Cochrane Cystic Fibrosis and Genetic Disorders Group Haemoglobinopathies Register, comprising of references identified from comprehensive electronic database searches and handsearches of relevant journals and abstract books of conference proceedings. We also searched online trial registries and the reference lists of relevant articles and reviews. Date of the last search: 26 Febraury 2020.

    SELECTION CRITERIA: We included randomised controlled trials (RCTs) and quasi-RCTs, where TENS was evaluated for managing pain in people with SCD.

    DATA COLLECTION AND ANALYSIS: Two review authors independently assessed the eligibility of the trials identified by the literature searches according to the inclusion criteria. Two review authors then independently extracted data, assessed for risk of bias using the Cochrane standard tool and rated the quality of evidence using the GRADE guidelines.

    MAIN RESULTS: One double-blind cross-over RCT with 22 participants with SCD (aged 12 to 27 years) was eligible for inclusion. Following stratification into four pain crises severity grades, participants were then randomised to receive TENS or placebo (sham TENS). The trial was concluded after 60 treatment episodes (30 treatment episodes of each treatment group). There is a lack of clarity regarding the trial design and the analysis of the cross-over data. If a participant was allocated to TENS treatment for an episode of pain and subsequently returned with a further episode of a similar degree of pain, they would then receive the sham TENS treatment (cross-over design). For those experiencing a pain episode of a different severity, it is not clear whether they were re-randomised or given the alternate treatment. Reporting and analysis was based on the total number pain events and not on the number of participants. It is unclear how many participants were crossed over from the TENS group to the sham TENS group and vice versa. The trial had a high risk of bias regarding random sequence generation and allocation concealment; an unclear risk regarding the blinding of participants and personnel; and a low risk regarding the blinding of the outcome assessors and selective outcome reporting. The trial was small and of very low quality; furthermore, given the issue with trial design we were unable to quantitatively analyse the data. Therefore, we present only a narrative summary and caution is advised in interpreting the results. In relation to our pre-defined primary outcomes, the included trial did not report pain relief at two to four weeks post intervention. The trial authors reported that no difference was found in the changes in pain ratings (recorded at one hour and four hours post intervention) between the TENS and the placebo groups. In relation to our secondary outcomes, the analgesic usage during the trial also did not show any difference between groups. Given the quality of the evidence, we are uncertain whether TENS improves overall satisfaction as compared to sham TENS. The ability to cope with activities of daily living was not evaluated. Regarding adverse events, although one case of itching was reported in the TENS group, the site and nature of itching was not clearly stated; hence it cannot be clearly attributed to TENS. Also, two participants receiving 'sham' TENS reported a worsening of pain with the intervention.

    AUTHORS' CONCLUSIONS: Since we have only included one small and very low-quality trial, with a high risk of bias across several domains, we are unable to conclude whether TENS is harmful or beneficial for managing pain in people with SCD. There is a need for a well-designed, adequately-powered, RCT to evaluate the role of TENS in managing pain in people with SCD.

    Matched MeSH terms: Chronic Pain/etiology; Chronic Pain/therapy*; Pain Management/methods*
  19. Farook TH, Jamayet NB, Abdullah JY, Alam MK
    Pain Res Manag, 2021;2021:6659133.
    PMID: 33986900 DOI: 10.1155/2021/6659133
    Purpose: The study explored the clinical influence, effectiveness, limitations, and human comparison outcomes of machine learning in diagnosing (1) dental diseases, (2) periodontal diseases, (3) trauma and neuralgias, (4) cysts and tumors, (5) glandular disorders, and (6) bone and temporomandibular joint as possible causes of dental and orofacial pain.

    Method: Scopus, PubMed, and Web of Science (all databases) were searched by 2 reviewers until 29th October 2020. Articles were screened and narratively synthesized according to PRISMA-DTA guidelines based on predefined eligibility criteria. Articles that made direct reference test comparisons to human clinicians were evaluated using the MI-CLAIM checklist. The risk of bias was assessed by JBI-DTA critical appraisal, and certainty of the evidence was evaluated using the GRADE approach. Information regarding the quantification method of dental pain and disease, the conditional characteristics of both training and test data cohort in the machine learning, diagnostic outcomes, and diagnostic test comparisons with clinicians, where applicable, were extracted.

    Results: 34 eligible articles were found for data synthesis, of which 8 articles made direct reference comparisons to human clinicians. 7 papers scored over 13 (out of the evaluated 15 points) in the MI-CLAIM approach with all papers scoring 5+ (out of 7) in JBI-DTA appraisals. GRADE approach revealed serious risks of bias and inconsistencies with most studies containing more positive cases than their true prevalence in order to facilitate machine learning. Patient-perceived symptoms and clinical history were generally found to be less reliable than radiographs or histology for training accurate machine learning models. A low agreement level between clinicians training the models was suggested to have a negative impact on the prediction accuracy. Reference comparisons found nonspecialized clinicians with less than 3 years of experience to be disadvantaged against trained models.

    Conclusion: Machine learning in dental and orofacial healthcare has shown respectable results in diagnosing diseases with symptomatic pain and with improved future iterations and can be used as a diagnostic aid in the clinics. The current review did not internally analyze the machine learning models and their respective algorithms, nor consider the confounding variables and factors responsible for shaping the orofacial disorders responsible for eliciting pain.

    Matched MeSH terms: Facial Pain/therapy*; Pain Management/instrumentation; Pain Management/statistics & numerical data*
  20. Aisyaturridha A, Naing L, Nizar AJ
    J Pain Symptom Manage, 2006 Jan;31(1):13-21.
    PMID: 16442478 DOI: 10.1016/j.jpainsymman.2005.06.011
    The original version of the Brief Pain Inventory (BPI) was translated into a Malay version by the standard procedure and was then evaluated for its psychometric properties. Of 119 eligible patients, a total of 113 (95%) agreed to participate in this study. Ages ranged from 18 to 76 years and interviews were conducted between August, 2004 and November, 2004. The pain intensity items demonstrated high loading with one factor, whereas the pain interference items were loaded on another factor. Two factors explained 62% of the variance. Compared to the Karnofsky Performance Scale, the pain intensity scales had a moderate negative (Pearson's) correlation (-0.520, P < 0.001) and the pain interference scales had a high negative correlation (-0.732, P < 0.001), showing good concurrent validity. The coefficient alpha of both subscales demonstrated good internal consistency of the items. The intraclass correlation coefficient for the test-retest stability was 0.61 for the pain intensity scale and 0.88 for the pain interference scale. The Malay version of the BPI is a reliable and valid instrument for cancer pain assessment and is comparable with the original version of the BPI in terms of structure and psychometric properties.
    Matched MeSH terms: Pain Measurement/methods*; Pain, Intractable/diagnosis*; Pain, Intractable/etiology*
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