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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 Perception
  2. Abdul Hayei NA, Yahya NA, Safii SH, Saub R, Vaithilingam RD, Baharuddin NA
    BMC Oral Health, 2021 03 31;21(1):169.
    PMID: 33789646 DOI: 10.1186/s12903-021-01540-0
    BACKGROUND: The influence of scaler tip design on root surface roughness, tooth substance loss and patients' pain perception is investigated.

    METHODS: This article was divided into the following parts: Part 1 Surface roughness and substance loss: an in vitro study, which involves intact extracted teeth sectioned and treated using a piezoelectric ultrasonic device (PM200 EMS Piezon, Switzerland) with a conventional scaler tip (FS-407) and a Perio Slim (PS) scaler tip (Perio Slim DS-016A). All sectioned samples for tooth surface roughness (n = 20) and tooth substance loss (n = 46) analyses were measured and compared using a 3D surface texture analyser and scanning electron microscope (SEM) respectively, at baseline and following scaling. Part 2 Pain Perception: a clinical study, which was a split mouth study design including 30 participants with gingivitis and/or mild chronic periodontitis; treated with supra-gingival scaling from teeth #13 to #23. Subjects were randomised to group A or group B. Group A was treated first with PS scaler tips, whereas group B was treated first with conventional scaler tips. Pain perception was recorded using the visual analogue scale (VAS).

    RESULTS: In vitro study: both scaler tips caused significant reduction in root substance roughness after scaling (p  0.05) was observed. The PS scaler tip caused statistically significantly less root substance loss (p pain score during scaling using the PS scaler tip (median: 3) than when using the conventional scaler tip (median: 5) (p pain was observed compared than a wide (conventional) scaler tip design.

    Matched MeSH terms: Pain Perception
  3. Salwana Ku Md Saad, Koik, Boon Hong, Nur Faradilla Mohamad Bakri, Abdul Nasir Mohamed Abdul Kadher, Karniza Khalid
    Q Bulletin, 2020;1(29):4-14.
    MyJurnal
    Neonates in Special Care Nursery (SCN) are constantly exposed to routine procedures that are painful. Repetitive painful exposures in neonates are known to have long-term deleterious effects that may surpass adulthood. A quality improvement project was designed to reduce the pain experienced by neonates during routine minor procedures in SCN unit of Hospital Tuanku Fauziah (HTF), a tertiary state hospital in Perlis, Malaysia. The Neonatal Infant Pain Scale (NIPS) was used as a pain assessment tool in neonates throughout the study. Several factors contributing to neonatal painful experience during routine procedures were identified, including poor awareness on neonatal pain perception, poor procedural etiquette among paediatric house officers, and lack of non-pharmacological pain relief used during the procedures. Interventional measures included adjunctive use of non-nutritive sucking via orthodontic Avent® pacifier, use of adjustable swaddling blanket via SwaddleMe® size S, and introduction of a clinical training module for the house officers. There were 159 neonates recruited in the pre-intervention period and 163 neonates evaluated in the post-intervention period. Our study revealed a significant decrease in neonatal painful experience during routine procedures, from 49.7% to 17.8% (p
    Matched MeSH terms: Pain Perception
  4. Karobari MI, Assiry AA, Mirza MB, Sayed FR, Shaik S, Marya A, et al.
    Int J Dent, 2021;2021:6625126.
    PMID: 33747083 DOI: 10.1155/2021/6625126
    Introduction: Patients experience various levels of discomfort during orthodontic treatment, i.e., after placement of separators, orthodontic implant placement, and archwire placement and during debonding. Various pain control methods have been developed to relive pain during debonding, i.e., finger pressure (FP), elastomeric wafer (EW), and stress relief (SR).

    Aim: To analyse various pain scales commonly used to determine the effect of different pain control methods during debonding of orthodontic brackets. Study Design. A comparative cross-sectional study performed on a sample of 60 patients (n = 60) including 14 males and 46 females who were ready for debonding and who were divided into three groups, i.e., finger pressure (FP), elastomeric wafer (EW), and stress relief (SR).

    Materials and Methods: A 100 mm Visual Analog Scale (VAS) was used to record the pain intensity for each tooth. Another scale known as Pain Catastrophizing Scale (PCS) was used to evaluate the patient's general attitude towards pain perception. The armamentarium and operator were kept same for all the patients. Statistical analysis used was the Kruskal-Wallis test, used for intergroup and intragroup comparison of pain scores.

    Results: Lowest total pain score was recorded in the FP group (P=0.043) on intergroup comparison, while on intragroup comparison, higher pain scores were recorded in lower anterior region (P=0.02) in all three groups. There was no significant difference between the pain scores reported by the male and female subjects.

    Conclusion: FP is an effective method of pain control. And teeth in the anterior region of lower and upper arches are more sensitive to pain. In terms of cognitive-affective constructs, although the VAS has been widely used in previous studies, the PCS has been detailed to show the most reliable association with physical discomfort and emotional distress.

    Matched MeSH terms: Pain Perception
  5. Lim E, Lim R, Suhaimi A, Chan BT, Wahab AKA
    J Back Musculoskelet Rehabil, 2018;31(6):1041-1047.
    PMID: 30149436 DOI: 10.3233/BMR-171042
    BACKGROUND: Low frequency sound wave stimulation therapy has become increasingly popular in the rehabilitation fields, due to its ease, less fatiguing and time efficient application.

    OBJECTIVE: This 12-week pilot study examines the efficacy of applying low frequency sound wave stimulation (between 16-160 Hz) through both hands and feet on relieving pain and improving functional ability in patients with chronic back pain.

    METHODS: Twenty-three participants with chronic shoulder (eleven participants) or low back pain (twelve participants) underwent a 12-week vibration therapy program of three sessions per week. A low frequency sound wave device comprising four piezoelectric vibration-type tactile tranducers enclosed in separate 5-cm diameter circular plates, which generate sinusoidal vibratory stimuli at a frequency of 16-160 Hz, was used in this study. Primary outcome measure was pain sensation measured using the Visual Analogue Scale (P-VAS). The secondary outcome measures were pain-related disability measured using the pain disability index (PDI) and quality of life measured using the SF-12.

    RESULTS: At week 12, significant reductions in pain sensation and pain-related disability were observed, with mean reductions of 3.5 points in P-VAS and 13.5 points in the PDI scores. Sixty-five percent of the participants had a reduction of at least 3 points on the P-VAS score, while 52% participants showed a decrease of at least 10 points in the PDI score. Significant improvement was observed in the SF-12 physical composite score but not the mental composite score.

    CONCLUSIONS: The preliminary findings showed that passive application of low frequency sound wave stimulation therapy through both hands and feet was effective in alleviating pain and improving functional ability in patients with chronic back pain.

    Matched MeSH terms: Pain Perception
  6. Tee, B.C., Phang, C.K., Rasidi, A., Rushdan, M., Aliyasand, I., Hatta, S.
    MyJurnal

    Major Depressive Disorder (MDD) in gynaecological cancer patients is a disabling illness with significant mental and physical suffering. Determining the risk factors of MDD in cancer patients enables us to pay more attention to those who are vulnerable and to device effective strategies for prevention, early detection, and treatment. The objective of the study is to determine the prevalence of MDD and its associated risk factors in gynaecological cancer patients at Hospital Sultanah Bahiyah, Alor Star. This is a hospital-based cross-sectional descriptive study of 120 gynaecological cancer patients in Gynae-Oncology Unit in Hospital Sultanah Bahiyah, Alor Star. Mini International Neuropsychiatry Interview (MINI) was used for diagnosis of MDD. Socio-demographic data and clinical variables were collected. MVFSFI (Malay version Female Sexual Function Index) was used to determine sexual dysfunction, and WHOQOL-BREF (World Health Organization – Quality of Life-26) was performed to assess quality of life. The prevalence of MDD in gynaecological cancer patients in the study was 18%. The variables found to be significantly associated with MDD were lack of perceived social support, greater physical pain perception, presence of past psychiatric history, and poorer quality of life. Meanwhile, sexual dysfunction was not associated with MDD. Logistic regression analysis revealed that only the psychological health domain of QOL was significantly associated with MDD, and contributed to 60% of the variation in MDD. The prevalence of MDD in gynaecological cancer patients is higher than those in the general population. In view that MDD can compromise cancer prognosis and patient’s well-being, psychosocial intervention is recommended as a part of multi- disciplinary and comprehensive management of gynaecological cancer.
    Matched MeSH terms: Pain Perception
  7. Tee, B.C., Ahmad Rasidi, M.S., Mohd Rushdan, M.N., Ismail, A., Sidi, H.
    Medicine & Health, 2014;9(1):53-61.
    MyJurnal
    Sexual dysfunction is highly prevalent in gynaecological cancer patients. Most of the time, sexual dysfunction in gynaecological cancer is underdiagnosed as there is overlapping of symptoms with other psychological morbidities, interplaying of multiple risks, patients’ reluctance to complain or incompetence of health care provider to assess. Determining the risk factors of sexual dysfunction in cancer patients enables us to pay more attention to those who are vulnerable and to device strategies for early detection, prevention and treatment of sexual dysfunction in them. The main aim of the study was to determine the prevalence of sexual dysfunction and its risk factors in gynaecological cancer patients in Hospital Sultanah Bahiyah, Alor Star, Malaysia. Sexual function of eighty-three gynaecological cancer patients who were married were assessed with self-rated MVFSFI (Malay version Female Sexual Function Index). Self-rated WHOQOL-BREF (World Health Organization- Quality of Life- 26) which assessed the domains of quality of life was used while MINI (Mini International Neuropsychiatry Interview) was used for diagnosis of major depressive disorder. The prevalence of sexual dysfunction among the married gynaecological cancer patients was 65% (54/83). Sexual dysfunction was significantly associated with low education level (OR 3.055, CI 1.009-9.250), shorter duration of cancer (OR 0.966, CI 0.966- 0.998), ongoing chemotherapy (OR 3.045, CI 1.149-8.067), pain perception (OR 3.230, CI 1.257-8.303), absence of sexual intercourse for more than one month (OR 1.862) and three domains of quality of life such as physical health, psychological health and social relationship (OR 0.942, CI 0.908-0.978; OR 0.955, CI 0.916-0.995; OR 0.933, CI 0.894-0.973, respectively). However, sexual dysfunction was not associated with major depressive disorder (χ2 ² = 1.224, p = 0.268). The prevalence of sexual dysfunction in gynaecological cancer patients was comparable to other studies of similar population. Since, the risk factors of sexual dysfunction in gynaecological cancer patients are multidimensional, the process of assessment and management need to be holistic and patient-oriented.
    Matched MeSH terms: Pain Perception
  8. Barden A, Phillips M, Mas E, Hill LM, Mowat I, Loh PS, et al.
    PMID: 32084530 DOI: 10.1016/j.prostaglandins.2020.106427
    BACKGROUND: Dexamethasone is commonly given as an antiemetic during surgical procedures. It has immunosuppressive effects and can affect key enzymes involved in the synthesis of specialised lipid mediators of inflammation resolution (SPM) that direct inflammation resolution and have anti-nociceptive actions. This study examined the effect of dexamethasone on plasma SPM, and the relationship between SPM and perceived pain in women undergoing surgery.

    METHODS: Plasma SPM were measured in samples obtained from two double-blind controlled interventions. The first, included 51 women mean age 53 ± 1.5 years, undergoing breast surgery allocated to either intravenous saline, or dexamethasone (4 mg or 8 mg) after induction of anaesthesia. The second study included 31 women of mean age 44 ± 0.5 years undergoing laparoscopic gynecological surgery that were allocated to either saline, or dexamethasone (4 mg). SPM (18-HEPE, 17-HDHA, RvE2, RvD1 17R-RvD1 and RvD2) were measured in plasma collected prior to induction of anaesthesia and at 24 h, and 6 weeks post-surgery. Pain was assessed using a verbal analogue scale at discharge from the post-anaesthesia recovery unit. The data from each study was combined to examine the effect of dexamethasone on plasma SPM. The relationship between pain score and SPM was examined using ordinal logistic regression.

    RESULTS: The SPM 18-HEPE, 17-HDHA, RvE2, RvD1 17R-RvD1 and RvD2 were detectable in all plasma samples. There was no significant difference in any SPM due to dexamethasone over the duration of the study. There was a fall in 17-HDHA between baseline and 24 h in both the dexamethasone and saline groups (P = 0.003) but no change in the downstream SPM (RvD1, 17R-RvD1 and RvD2) or 18-HEPE and RvE2. Pain score was negatively related to levels of RvE2 measured prior to induction of anaesthesia (rho = -0.2991, P = 0.006) and positively related to BMI (rho = 0.279, P = 0.011). In ordinal logistic regression the odds ratio for RvE2 was 0.931 (CI 0.880, 0.986; P = 0.014); after adjusting for the effect of BMI indicating that an increase in RvE2 of 1 pg/ml would result in a 6.9 % fall in pain score. Allocation to a dexamethasone group did not influence the pain score or the relationship between RvE2 and pain score.

    CONCLUSION: Dexamethasone administered as an anti-emetic does not affect plasma SPM levels. An elevated RvE2 level prior to surgery is predictive of a lower perceived pain score post-anaesthesia.

    Matched MeSH terms: Pain Perception
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