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Rectus Muscle Reapproximation at Cesarean Delivery and Postoperative Pain: A Randomized Controlled Trial.

ABSTRACT: Objective Rectus muscle reapproximation at cesarean delivery (CD) is performed frequently by some obstetricians; however, the effect on postoperative pain is unclear. To this end, we investigated whether rectus muscle reapproximation increases postoperative pain. Materials and Methods This is a prospective, double-blind, randomized controlled trial of women undergoing primary CD with singleton or twin pregnancy at >35 weeks' gestation. Women were randomized to rectus muscle reapproximation with three interrupted sutures or no reapproximation. Exclusion criteria were prior cesarean, prior laparotomy, vertical skin incision, active labor, chronic analgesia use, allergy to opioid or nonsteroidal anti-inflammatory drugs, and body mass index ≥ 40. Intra- and postoperative pain management was standardized within the study protocol. The primary outcome was a combined movement pain and opioid use score averaged over the 72-hour study period, called the Silverman integrated assessment. Movement pain scores were assessed at 24, 48, and 72 postoperative hours. Results In total, 63 women were randomized, of whom 35 underwent rectus muscle reapproximation and 28 did not. Demographic and obstetric variables were similar between groups. Silverman integrated assessment scores during the 72-hour postoperative period were higher in the rectus muscle reapproximation group (15 ± 100% vs. -31 ± 78% difference from the mean; p = 0.04). Operative times were similar between groups (63 ± 15 vs. 65 ± 15 minutes; p = 0.61), and there were no surgical complications in either group. Maternal satisfaction with analgesia at 72 hours was high in both groups (85% [73-90] rectus muscle reapproximation vs. 90% [75-100]; p = 0.16). Conclusion Rectus muscle reapproximation increased immediate postoperative pain without differences in operative time, surgical complications, or maternal satisfaction. Benefits of rectus muscle reapproximation should be weighed against increased postoperative pain, and analgesia should be planned accordingly.

SUBMITTER: Lyell DJ

PROVIDER: S-EPMC5565698 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundAchieving optimal analgesia with few side effects is the goal of pain management after cesarean delivery. Intrathecal (IT) morphine is the current standard but ultrasound-guided quadratus lumborum block (QLB) may offer superior pain control with fewer side effects. This study compared the pain-free period after cesarean delivery among parturients who received spinal block with IT morphine, with IT morphine and bilateral QLB, or only bilateral QLB.MethodsParturients having elective cesarean delivery under spinal block were randomized and allocated into IT morphine 0.2 mg with sham QLB (Group IT), IT morphine 0.2 mg and bilateral QLB with 0.25% bupivacaine 25 ml in each side (Group IT+QLB), or bilateral QLB with 0.25% bupivacaine 25 ml in each side (Group QLB). A PCA pump was connected after completion of the QLB or sham block. The first time to PCA morphine requirement was recorded and compared.ResultsEighty parturients were included. Analysis of Group QLB was terminated early because at the second interim analysis, median pain-free period was significantly shorter in Group QLB [hours (95%CI): 2.50 (1.04-3.96) in Group IT vs. 7.75 (5.67-9.83) in IT+QLB vs. 1.75 (0.75-2.75) in QLB (p < 0.001)]. The median (min, max) amount of morphine required during 24 h was 5.5 (0-25) in Group IT vs. 5.0 (0-36) in IT+QLB vs. 17.5 (1-40) mg in Group QLB (p < 0.001). In the final analysis the median pain-free period was 2.50 (1.23-3.77) hours (95%CI) in Group IT (n = 27) vs. 8.02 (5.96-10.07) in IT+QLB (n = 28). (p = 0.027).ConclusionUS-QLB used in conjunction with IT morphine yielded a statistically significant longer median pain-free period compared with standard IT morphine alone. However, QLB alone provided inferior pain control compared with standard IT morphine. When combined with IT morphine, QLB could provide additional analgesic benefit as a part of multimodal analgesic regimen, especially during the early postoperative period.Trial registrationClinicalTrials.gov no. NCT03199170 Date registered on June 22, 2017. Prospectively registered.

Project description:ImportanceMost women report moderate to severe pain after cesarean delivery. The extent of the ability of surgical wound infiltration with local anesthetic agents during cesarean delivery for the reduction of postoperative pain is uncertain.ObjectiveTo examine the efficacy of single wound infiltration with bupivacaine and adrenaline during cesarean delivery for the reduction of postoperative pain.Design, setting, and participantsThis randomized clinical trial was conducted between January 25, 2018, and May 30, 2020, at a university teaching hospital in Afula, Israel. A total of 288 women with singleton pregnancy who were scheduled for a planned cesarean delivery at term were randomized to receive single wound infiltration with bupivacaine and adrenaline during cesarean delivery (intervention group) or no single wound infiltration (control group) at a 1:1 ratio.InterventionsIn the intervention group, the subcutaneous layer was infiltrated on both sides of the wound by a mixture of bupivacaine and adrenaline before wound closure. Other perioperative techniques were similar between the groups.Main outcomes and measuresThe primary outcome was mean pain intensity over the course of 24 hours after the operation, as measured by a visual analog scale (VAS) score ranging from 0 to 10 (with higher scores indicating greater pain intensity). To detect a mean (SD) reduction of 1 (3) points in the VAS score in the intervention group, 286 women were needed in total. Secondary outcomes included VAS score greater than 4 (indicating moderate pain) at 2 hours after the operation, use of rescue opioids, maternal satisfaction with the pain management procedure (using a scale of 1-5, with higher scores indicating greater satisfaction), duration of the operation, scar complications (hematoma, infection, and separation), and length of stay.ResultsAmong 288 women (mean [SD] age, 32.5 [5.1] years; all of Arab or Jewish ethnicity), 143 were randomized to the intervention group, and 145 were randomized to the control group. Demographic and obstetric variables were similar between groups. The primary outcome (VAS pain score) was significantly lower in the intervention group (mean [SD], 2.21 [0.56]) compared with the control group (mean [SD], 2.41 [0.73]; P = .02). In the intervention group, 11 women (7.7%) had a VAS score greater than 4 at 2 hours compared with 22 women (15.2%) in the control group (odds ratio, 0.47; 95% CI, 0.22-1.00; P = .05). In addition, compared with the control group, the intervention group had significantly lower postpartum use of rescue opioid analgesics (19 women [13.3%] vs 37 women [25.5%]; P = .009) and greater satisfaction with pain management (mean [SD] score, 4.65 [0.68] vs 4.44 [0.76]; P = .007). In the intervention vs control groups, duration of the operation, scar complications (hematoma, infection, or separation), and length of stay were comparable.Conclusions and relevanceIn this study, wound infiltration with a single administration of bupivacaine and adrenaline during cesarean delivery reduced postoperative pain and opioid use and may have improved maternal satisfaction with pain management. These findings suggest the technique is efficacious, safe, and easy to perform.Trial registrationClinicalTrials.gov Identifier: NCT03395912.

Project description:ImportanceA pharmacological approach to pain control after cesarean delivery is often insufficient on its own. Acupuncture is a promising method for mitigating postoperative pain and reducing postoperative opioid requirements.ObjectiveTo evaluate the efficacy and effectiveness of acupuncture as an adjunctive therapy for pain control after cesarean delivery, compared with a placebo intervention and standard care alone.Design, setting, and participantsThis single-center, placebo-controlled, patient- and assessor-blinded randomized clinical trial was conducted from January 13, 2015, to June 27, 2018, at a tertiary university hospital in Greifswald, Germany. Participants were women who were scheduled for elective cesarean delivery under spinal anesthesia and were randomized to either the acupuncture group (n = 60) or placebo group (n = 60). Another 60 consecutive patients who met the eligibility criteria and received the standard postoperative analgesia were selected to form a nonrandomized standard care group. The intention-to-treat analysis was performed from August 19, 2019, to September 13, 2019.InterventionsIn addition to standard pain treatment, each patient in the acupuncture group received auricular and body acupuncture with indwelling intradermal needles, whereas patients in the placebo group were treated with nonpenetrating placebo needles.Main outcomes and measuresThe primary outcome was pain intensity on movement, which was measured using an 11-item verbal rating scale. Secondary outcomes were analgesia-related adverse effects, analgesics consumption, time to mobilization and Foley catheter removal, quality of patient blinding to randomization, and patient satisfaction with treatment of pain.ResultsA total of 180 female patients (mean [SD] age, 31 [5] years) were included in the intention-to-treat analysis. The mean pain intensity on movement in the acupuncture group on the first postoperative day was lower than in the placebo group (4.7 [1.8] vs 6.0 [2.0] points; Cohen d, 0.73; 95% CI, 0.31-1.01; P = .001) and the standard care group (6.3 [1.3] points; Cohen d, 1.01; 95% CI, 0.63-1.40; P < .001). On the first postoperative day, 59 patients (98%) in the acupuncture group were fully mobilized vs 49 patients (83%) in the placebo group (relative risk [RR], 1.18; 95% CI, 1.06-1.33; P = .01) and 35 patients (58%) in the standard care group (RR, 1.69; 95% CI, 1.36-2.09; P < .001). The Foley catheter was removed in a total of 57 patients (93%) from the acupuncture group vs 43 patients (72%) from the placebo group (RR, 1.33; 95% CI, 1.12-1.57; P = .003) and 42 patients (70%) from the standard care group (RR, 1.37; 95% CI, 1.14-1.62; P = .002). Other parameters were comparable across the 3 study groups.Conclusions and relevanceResults of this trial showed that acupuncture was safe and effective in reducing pain and accelerating mobilization of patients after cesarean delivery. With consideration for personnel and time expenditures, acupuncture can be recommended as routine, supplemental therapy for pain control in patients after elective cesarean delivery.Trial registrationClinicalTrials.gov Identifier: NCT02364167.

Project description:BackgroundAnxiety may adversely impact mother and her newborn. Music listening is a safe and efficacious treatment that may to reduce perioperative anxiety. The effect on acute pain and pain catastrophizing scores remains unclear. We aimed to determine whether perioperative music listening reduces anxiety, acute pain, and pain catastrophizing scale (PCS) scores following elective cesarean delivery under spinal anesthesia.MethodsAfter randomization into music listening and control groups, baseline patient characteristics, visual analog scale-anxiety (VAS-A) scores, pain scores, PCS total and sub-scores, and music preferences were collected preoperatively. Before surgery, parturients in the experimental group listened to music of their own choice for 30 min. Music listening was continued during administration of spinal anesthesia and cesarean delivery, and for 30 min following surgery. Postoperative VAS-A score, acute pain score, PCS scores, music preferences, satisfaction score, and feedback were recorded.ResultsWe analyzed 108 parturients (music: n = 53; control: n = 55). Music listening was associated with reduced postoperative VAS-A (mean difference (MD) -1.43, 95%CI -0.63 to -2.22), PCS total score (MD -6.39, 95%CI -2.11 to -10.66), PCS sub-scores on rumination (MD -1.68, 95%CI -0.12 to -3.25), magnification (MD -1.53, 95%CI -0.45 to -2.62), and helplessness (MD -3.17, 95%CI -1.29 to -5.06) sub-scores. There was no significant difference in postoperative acute pain scores. The majority (> 95%) of parturients reported "excellent" and "good" satisfaction with music listening, and most provided positive feedback.ConclusionPerioperative music listening was associated with reduced postoperative anxiety and lower pain catastrophizing. Based on the good patient satisfaction and positive feedback received, the use of music listening in the obstetric setting is recommended.Trial registrationThis study was registered on Clinicaltrials.gov NCT03415620 on 30/01/2018.

Project description:Improved pain control after cesarean delivery remains a challenging objective. Poorly treated acute pain following delivery is associated with an increased risk of chronic pain and depression. This study was conducted to determine whether the addition of systemic acetaminophen and an increased dose of intrathecal morphine would further reduce acute pain. The primary outcome was pain intensity with movement at 24 hours postoperatively. Secondary measures included persistent pain and depression at 8 weeks.Seventy-four parturients scheduled for elective cesarean delivery under spinal anesthesia that were predicted to be above the 80th percentile for evoked pain intensity based on a 3-item preoperative screening questionnaire were enrolled. Patients in the intervention group received 300 mcg spinal morphine and 1 gram acetaminophen every 6 hours for 24 hours postoperatively. Patients in the control group received 150 mcg spinal morphine and placebo tablets. All patients received scheduled ibuprofen by mouth and IV morphine patient-controlled analgesia. At 24 hours, patients rated their pain intensity with movement, at rest, on average, and worst score using a visual analog scale for pain (100-mm unmarked line). The presence of persistent pain and depression was assessed at 8 weeks using the Edinburgh postpartum depression survey.Providing a higher dose of spinal morphine combined with systemic acetaminophen to patients predicted to be at high risk for severe post-cesarean delivery pain significantly reduced evoked pain scores with movement at 24 hours (mean ± SD: 46 ± 25 mm in control group versus 31 ±17 mm in intervention group, P = 0.009; 95% confidence interval for the difference between means: 4 mm, 26 mm). There was no difference in the incidence of persistent pain (13% (4/30) in control group versus 10% (3/30) in intervention group, P > 0.99), or depression at 8 weeks postoperatively (10% (3/30) in control group versus 13% (4/30) in intervention group, P > 0.99).Adding a higher dose of intrathecal morphine and oral acetaminophen to a multimodal pain regimen in patients predicted to be at risk for high acute postpartum pain after cesarean delivery results in a significant reduction of acute postoperative pain scores at 24 hours.

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Rectus Muscle Reapproximation at Cesarean Delivery and Postoperative Pain: A Randomized Controlled Trial.

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