scholarly journals Predictive Factors of Chronic Post-Surgical Pain at 6 Months Following Knee Replacement: Influence of Postoperative Pain Trajectory and Genetics

2016 ◽  
Vol 5;19 (5;19) ◽  
pp. E729-E741
Author(s):  
Dr Célia Lloret-Linares
Keyword(s):  
Logistic Regression ◽  
Postoperative Pain ◽  
Knee Replacement ◽  
Predictive Factors ◽  
High Intensity ◽  
Walking Ability ◽  
Single Center ◽  
Multivariate Logistic Regression ◽  
Postsurgical Pain ◽  
Chronic Postsurgical Pain

Background: The frequency of chronic postsurgical pain (CPSP) after knee replacement remains high, but might be decreased by improvements to prevention. Objectives: To identify pre- and postsurgical factors predictive of CPSP 6 months after knee replacement. Study Design: Single-center prospective observational study. Setting: An orthopedic unit in a French hospital. Methods: Consecutive patients referred for total or unicompartmental knee arthroplasty from March to July 2013 were prospectively invited to participate in this study. For each patient, we recorded preoperative pain intensity, anxiety and depression levels, and sensitivity and pain thresholds in response to an electrical stimulus. We analyzed OPRM1 and COMT single-nucleotide polymorphisms. Acute postoperative pain (APOP) in the first 5 days after surgery was modeled by a pain trajectory. Changes in the characteristics and consequences of the pain were monitored 3 and 6 months after surgery. Bivariate analysis and multivariate logistic regression were conducted to identify predictors of CPSP. Results: We prospectively evaluated 104 patients in this study, 74 (28.8%) of whom reported CPSP at 6 months. Three preoperative factors were found to be associated with the presence of CPSP in multivariate logistic regression analysis: high school diploma level (OR = 3.83 [1.20 – 12.20]), consequences of pain in terms of walking ability, as assessed with the Brief Pain Inventory short form “walk” item (OR = 4.06 [1.18 – 13.94]), and a lack of physical activity in adulthood (OR = 4.01 [1.33 – 12.10]). One postoperative factor was associated with the presence of CPSP: a high-intensity APOP trajectory. An association of borderline statistical significance was found with the A allele of the COMT gene (OR = 3.4 [0.93 – 12.51]). Two groups of patients were identified on the basis of their APOP trajectory: high (n = 28, 26%) or low (n = 80, 74%) intensity. Patients with high-intensity APOP trajectory had higher anxiety levels and were less able to walk before surgery (P < 0.05). Limitations: This was a single-center study and the sample may have been too small for the detection of some factors predictive of CPSP or to highlight the role of genetic factors. Conclusion: Our findings suggest that several preoperative and postoperative characteristics could be used to facilitate the identification of patients at high risk of CPSP after knee surgery. All therapeutic strategies decreasing APOP, such as anxiety management or performing knee replacement before the pain has a serious effect on ability to walk, may help to decrease the risk of CPSP. Further prospective studies testing specific management practices, including a training program before surgery, are required. Key words: Chronic postsurgical pain, opioids, arthroplasty, pain trajectory, genetics, COMT, predictive factors

scholarly journals Efficacy of flurbiprofen axetil for preventing postanesthetic shivering in patients undergoing gynecologic laparotomy surgeries

2020 ◽  
Vol 6 (1) ◽  
Author(s):  
Atsushi Kotera
Keyword(s):  
Logistic Regression ◽  
Regression Analysis ◽  
Postoperative Pain ◽  
Logistic Regression Analysis ◽  
Pain Control ◽  
Multivariate Logistic Regression Analysis ◽  
Multivariate Logistic Regression ◽  
Postoperative Pain Control ◽  
Flurbiprofen Axetil ◽  
Postanesthetic Shivering

Abstract Background Postanesthetic shivering is an unpleasant adverse event in surgical patients. A nonsteroidal anti-inflammatory drug has been reported to be useful in preventing postanesthetic shivering in several previous studies. The aim of this study was to evaluate the efficacy of flurbiprofen axetil being a prodrug of a nonsteroidal anti-inflammatory drug for preventing postanesthetic shivering in patients undergoing gynecologic laparotomy surgeries. Method This study is a retrospective observational study. I collected data from patients undergoing gynecologic laparotomy surgeries performed between October 1, 2019, and September 30, 2020, at Kumamoto City Hospital. All the patients were managed with general anesthesia with or without epidural analgesia. The administration of intravenous 50 mg flurbiprofen axetil for postoperative pain control at the end of the surgery was left to the individual anesthesiologist. The patients were divided into two groups: those who had received intravenous flurbiprofen axetil (flurbiprofen group) and those who had not received intravenous flurbiprofen axetil (non-flurbiprofen group), and I compared the frequency of postanesthetic shivering between the two groups. Additionally, the factors presumably associated with postanesthetic shivering were collected from the medical charts. Intergroup differences were assessed with the χ2 test with Yates’ correlation for continuity category variables. The Student’s t test was used to test for differences in continuous variables. Furthermore, a multivariate logistic regression analysis was performed to elucidate the relationship between the administration of flurbiprofen axetil and the incidence of PAS. Results I retrospectively examined the cases of 141 patients aged 49 ± 13 (range 21-84) years old. The overall postanesthetic shivering rate was 21.3% (30 of the 141 patients). The frequency of postanesthetic shivering in the flurbiprofen group (n = 31) was 6.5%, which was significantly lower than that in the non-flurbiprofen group (n = 110), 25.5% (p value = 0.022). A multivariate logistic regression analysis showed that administration of flurbiprofen axetil was independently associated with a reduced incidence of postanesthetic shivering (odds ratio 0.12; 95% confidence interval, 0.02-0.66, p value = 0.015). Conclusions My result suggests that intraoperative 50 mg flurbiprofen axetil administration for postoperative pain control is useful to prevent postanesthetic shivering in patients undergoing gynecologic laparotomy surgeries.

scholarly journals Ectopic eruption of the maxillary second molar: Predictive factors

2017 ◽  
Vol 87 (4) ◽  
pp. 583-589 ◽  
Author(s):  
Soonshin Hwang ◽  
Yoon Jeong Choi ◽  
Ji Yeon Lee ◽  
Chooryung Chung ◽  
Kyung-Ho Kim
Keyword(s):  
Logistic Regression ◽  
Regression Analysis ◽  
Logistic Regression Analysis ◽  
Predictive Factors ◽  
Multivariate Logistic Regression Analysis ◽  
Key Factors ◽  
Multivariate Logistic Regression ◽  
Factors Associated ◽  
Ectopic Eruption ◽  
Maxillary Tuberosity

ABSTRACT Objective: The purpose of this study was to investigate the diagnostic aspects, contributing conditions, and predictive key factors associated with ectopic eruption of maxillary second molars. Material and Methods: This retrospective study evaluated the study models, lateral cephalographs, and panoramic radiographs of 40 adult subjects (20 men, 20 women) with bilateral ectopic eruption and 40 subjects (20 men, 20 women) with normal eruption of the maxillary second molars. Studied variables were analyzed statistically by independent t-tests, univariate and multivariate logistic regression analysis, followed by receiver-operating characteristic analysis. Results: Tooth widths of bilateral lateral incisors, canines, and premolars were wider in the ectopic group, which resulted in greater arch lengths. The ANB angle and maxillary tuberosity distance (PTV-M1, PTV-M2) were smaller in the ectopic group. The long axes of the maxillary molars showed significant distal inclination in the ectopic group. The multivariate logistic regression analysis showed that three key factors—arch length, ANB angle, and PTV-M1 distance—were significantly associated with ectopic eruption of the second molars. The area under the curve (AUC) was the largest for the combination of the three key factors with an AUC greater than 0.75. PTV-M1 alone was the single factor that showed the strongest association with ectopic eruption (AUC = 0.7363). Conclusions: An increase in arch length, decrease in ANB angle, and decrease in maxillary tuberosity distance to the distal aspect of the maxillary first molar (PTV-M1) were the most predictive factors associated with ectopic eruption of maxillary second molars.

scholarly journals Postoperative Pain and Analgesic Requirements in the First Year after Intraoperative Methadone for Complex Spine and Cardiac Surgery

2020 ◽  
Vol 132 (2) ◽  
pp. 330-342 ◽  
Author(s):  
Glenn S. Murphy ◽  
Michael J. Avram ◽  
Steven B. Greenberg ◽  
Torin D. Shear ◽  
Mark A. Deshur ◽  
...  
Keyword(s):  
Cardiac Surgery ◽  
Postoperative Pain ◽  
Spinal Surgery ◽  
Ordinal Data ◽  
Median Score ◽  
Postsurgical Pain ◽  
Surgical Closure ◽  
Chronic Postsurgical Pain ◽  
To Receive ◽  
Weekly Frequency

Abstract Editor’s Perspective What We Already Know about This Topic What This Article Tells Us That Is New Background Methadone is a long-acting opioid that has been reported to reduce postoperative pain scores and analgesic requirements and may attenuate development of chronic postsurgical pain. The aim of this secondary analysis of two previous trials was to follow up with patients who had received a single intraoperative dose of either methadone or traditional opioids for complex spine or cardiac surgical procedures. Methods Preplanned analyses of long-term outcomes were conducted for spinal surgery patients randomized to receive 0.2 mg/kg methadone at the start of surgery or 2 mg hydromorphone at surgical closure, and for cardiac surgery patients randomized to receive 0.3 mg/kg methadone or 12 μg/kg fentanyl intraoperatively. A pain questionnaire assessing the weekly frequency (the primary outcome) and intensity of pain was mailed to subjects 1, 3, 6, and 12 months after surgery. Ordinal data were compared with the Mann–Whitney U test, and nominal data were compared using the chi-square test or Fisher exact probability test. The criterion for rejection of the null hypothesis was P &lt; 0.01. Results Three months after surgery, patients randomized to receive methadone for spine procedures reported the weekly frequency of chronic pain was less (median score 0 on a 0 to 4 scale [less than once a week] vs. 3 [daily] in the hydromorphone group, P = 0.004). Patients randomized to receive methadone for cardiac surgery reported the frequency of postsurgical pain was less at 1 month (median score 0) than it was in patients randomized to receive fentanyl (median score 2 [twice per week], P = 0.004). Conclusions Analgesic benefits of a single dose of intraoperative methadone were observed during the first 3 months after spinal surgery (but not at 6 and 12 months), and during the first month after cardiac surgery, when the intensity and frequency of pain were the greatest.

scholarly journals Prevalence and Predictive Factors of Chronic Postsurgical Pain and Global Surgical Recovery 1 Year After Outpatient Knee Arthroscopy

Medicine ◽  
2015 ◽  
Vol 94 (45) ◽  
pp. e2017 ◽  
Author(s):  
Daisy M.N. Hoofwijk ◽  
Audrey A.A. Fiddelers ◽  
Peter J. Emans ◽  
Elbert A. Joosten ◽  
Hans-Fritz Gramke ◽  
...  
Keyword(s):  
Predictive Factors ◽  
Knee Arthroscopy ◽  
Postsurgical Pain ◽  
Chronic Postsurgical Pain ◽  
Surgical Recovery

scholarly journals Antidepressant Drugs for Prevention of Acute and Chronic Postsurgical Pain

2014 ◽  
Vol 121 (3) ◽  
pp. 591-608 ◽  
Author(s):  
Karen Wong ◽  
Rachel Phelan ◽  
Eija Kalso ◽  
Imelda Galvin ◽  
David Goldstein ◽  
...  
Keyword(s):  
Postoperative Pain ◽  
Therapeutic Potential ◽  
Antidepressant Treatment ◽  
Antidepressant Drugs ◽  
Safety Evaluation ◽  
Pain Reduction ◽  
Chronic Postoperative Pain ◽  
Postsurgical Pain ◽  
Chronic Postsurgical Pain ◽  
Antidepressant Use

Abstract Background: This review evaluates trials of antidepressants for acute and chronic postsurgical pain. Methods: Trials were systematically identified using predefined inclusion and exclusion criteria. Extracted data included the following: pain at rest and with movement, adverse effects, and other outcomes. Results: Fifteen studies (985 participants) of early postoperative pain evaluated amitriptyline (three trials), bicifadine (two trials), desipramine (three trials), duloxetine (one trial), fluoxetine (one trial), fluradoline (one trial), tryptophan (four trials), and venlafaxine (one trial). Three studies (565 participants) of chronic postoperative pain prevention evaluated duloxetine (one trial), escitalopram (one trial), and venlafaxine (one trial). Heterogeneity because of differences in drug, dosing regimen, outcomes, and/or surgical procedure precluded any meta-analyses. Superiority to placebo was reported in 8 of 15 trials for early pain reduction and 1 of 3 trials for chronic pain reduction. The majority of positive trials did not report sufficient data to estimate treatment effect sizes. Many studies had inadequate size, safety evaluation/reporting, procedure specificity, and movement-evoked pain assessment. Conclusions: There is currently insufficient evidence to support the clinical use of antidepressants—beyond controlled investigations—for treatment of acute, or prevention of chronic, postoperative pain. Multiple positive trials suggest the therapeutic potential of antidepressants, which need to be replicated. Other nontrial evidence suggests potential safety concerns of perioperative antidepressant use. Future studies are needed to better define the risk–benefit ratio of antidepressants in postoperative pain management. Higher-quality trials should optimize dosing, timing and duration of antidepressant treatment, trial size, patient selection, safety evaluation and reporting, procedure specificity, and assessment of movement-evoked pain relevant to postoperative functional recovery.

scholarly journals Improving Analgesic Efficacy and Safety of Thoracic Paravertebral Block for Breast Surgery: A Mixed-Effects Meta-Analysis

2015 ◽  
Vol 5;18 (5;9) ◽  
pp. E757-E780 ◽  
Author(s):  
Abdullah S. Terkawi
Keyword(s):  
Postoperative Pain ◽  
Breast Surgery ◽  
Meta Analysis ◽  
Mixed Effects ◽  
Opioid Consumption ◽  
Paravertebral Block ◽  
Efficacy And Safety ◽  
Thoracic Paravertebral Block ◽  
Postsurgical Pain ◽  
Chronic Postsurgical Pain

Background: While most trials of thoracic paravertebral nerve blocks (TPVB) for breast surgery show benefit, their effect on postoperative pain intensity, opioid consumption, and prevention of chronic postsurgical pain varies substantially across studies. Variability may result from use of different drugs and techniques. Objectives: To examine the use of TPVB in breast surgery, and to determine which method(s) provide optimal efficacy and safety. Study Design: Mixed-Effects Meta-Analysis. Methods: We conducted a systematic review of randomized trials comparing TPVB to no intervention using random-effects models. To evaluate the contributions of various techniques, clinical approaches were included as moderators in mixed-effects models. Results: A total of 24 randomized controlled trials (RCTs) with 1,822 patients were included. Use of TPVB decreased postoperative pain scores at rest and movement at the first 2, 24, 48, and 72 hours. TPVB modestly decreased intraoperative and postoperative opioid consumption, reduced nausea and vomiting, and shortened hospitalization, but to a probably clinically irrelevant degree. Blocks also appeared to reduce the incidence of chronic postsurgical pain at 6 months. Adding fentanyl to the TPVB improved pain at rest (at 24, 48, and 72 hours) and movement (at 24 and 72 hours). Multilevel blocks provided better postoperative pain control, but only during movement (at 2, 48, and 72 hours). Fewer procedural complications (especially hypotension, epidural spread, and Horner’s syndrome) occurred when anatomical landmarks were supplemented with ultrasound guidance. Limitations: The number of studies available was limited in the meta-analytic model of incidence of chronic post-surgical pain. Conclusion: TPVB reduces postoperative pain and opioid consumption, and has a limited beneficial effect on the quality of recovery. From all the techniques that were evaluated, only the addition of fentanyl, and performing multilevel blocks were associated with improved acute analgesia. TPVB may reduce chronic postsurgical pain at 6 months. Key words: Thoracic paravertebral block, breast surgery, anesthesia, acute pain, chronic pain, nausea, vomiting, length of stay, techniques, variability, meta-regression, meta-analysis, moderators

Sign in / Sign up

Export Citation Format

Share Document