scholarly journals Suture-method versus Through-the-needle Catheters for Continuous Popliteal-sciatic Nerve Blocks

2020 ◽  
Vol 132 (4) ◽  
pp. 854-866 ◽  
Author(s):  
John J. Finneran ◽  
Matthew W. Swisher ◽  
Rodney A. Gabriel ◽  
Engy T. Said ◽  
Maryann U. Abanobi ◽  
...  

Abstract Background The basic perineural catheter design has changed minimally since inception, with the catheter introduced through or over a straight needle. The U.S. Food and Drug Administration recently cleared a novel perineural catheter design comprising a catheter attached to the back of a suture-shaped needle that is inserted, advanced along the arc of its curvature pulling the catheter past the target nerve, and then exited through the skin in a second location. The authors hypothesized that analgesia would be noninferior using the new versus traditional catheter design in the first two days after painful foot/ankle surgery with a primary outcome of average pain measured with the Numeric Rating Scale. Methods Subjects undergoing painful foot or ankle surgery with a continuous supraparaneural popliteal-sciatic nerve block 5 cm proximal to the bifurcation were randomized to either a suture-type or through-the-needle catheter and subsequent 3-day 0.2% ropivacaine infusion (basal 6 ml/h, bolus 4 ml, lockout 30 min). Subjects received daily follow-up for the first four days after surgery, including assessment for evidence of malfunction or dislodgement of the catheters. Results During the first two postoperative days the mean ± SD average pain scores were lower in subjects with the suture-catheter (n = 35) compared with the through-the-needle (n = 35) group (2.7 ± 2.4 vs. 3.4 ± 2.4) and found to be statistically noninferior (95% CI, −1.9 to 0.6; P < 0.001). No suture-style catheter was completely dislodged (0%), whereas the tips of three (9%) traditional catheters were found outside of the skin before purposeful removal on postoperative day 3 (P = 0.239). Conclusions Suture-type perineural catheters provided noninferior analgesia compared with traditional catheters for continuous popliteal-sciatic blocks after painful foot and ankle surgery. The new catheter design appears to be a viable alternative to traditional designs used for the past seven decades. Editor’s Perspective What We Already Know about This Topic What This Article Tells Us That Is New

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Nina Graf ◽  
Katharina Geißler ◽  
Winfried Meißner ◽  
Orlando Guntinas-Lichius

AbstractData on chronic postsurgical pain (CPSP) after otorhinolaryngological surgery are sparse. Adult in-patients treated in 2017 were included into the prospective PAIN OUT registry. Patients’ pain on the first postoperative day (D1), after six months (M6) and 12 months (M12) were evaluated. Determining factor for CPSP was an average pain intensity ≥ 3 (numeric rating scale 0–10) at M6. Risk factors associated with CPSP were evaluated by univariate and multivariate analyses. 10% of 191 included patients (60% male, median age: 52 years; maximal pain at D1: 3.5 ± 2.7), had CPSP. Average pain at M6 was 0.1 ± 0.5 for patients without CPSP and 4.2 ± 1.2 with CPSP. Average pain with CPSP still was 3.7 ± 1.1 at M12. Higher ASA status (Odds ratio [OR] = 4.052; 95% confidence interval [CI] = 1.453–11.189; p = 0.007), and higher minimal pain at D1 (OR = 1.721; CI = 1.189–2.492; p = 0.004) were independent predictors of CPSP at M6. Minimal pain at D1 (OR = 1.443; CI = 1.008–2.064; p = 0.045) and maximal pain at M6 (OR = 1.665; CI = 1.340–2.069; p < 0.001) were independent predictors for CPSP at M12. CPSP is an important issue after otorhinolaryngological surgery. Better instrument for perioperative assessment should be defined to identify patients at risk for CPSP.


2021 ◽  
Vol 26 (Supplement_1) ◽  
pp. e21-e21
Author(s):  
Karina Burke ◽  
Branka Vujcic ◽  
Jonathan Hamilton ◽  
Charlotte Mace ◽  
John Teefy ◽  
...  

Abstract Primary Subject area Emergency Medicine - Paediatric Background There is abundant evidence that provision of pharmacologic analgesia by prehospital providers to children is suboptimal. Most paediatric calls are performed by primary care paramedics (PCPs) who are unable to administer pharmacologic analgesia to children but can administer non-pharmacologic therapies. Objectives Our objective was to describe the provision of non-pharmacologic analgesia to children by prehospital providers. Design/Methods We reviewed all ambulance call reports (ACRs) of children 0-17 years with acutely painful conditions (headache, abdominal pain, injury, head/ears/eyes/nose/throat pain, and back pain) who were transported to a paediatric tertiary referral centre serving a catchment of &gt; 1 million from 2017-2019. Data collection was recorded by two blinded assessors using a study-specific Excel™ sheet. The primary outcome was the proportion of children offered non-pharmacologic analgesia. We performed a stepwise logistic regression on the primary outcome using covariates defined a priori: age, sex, visible deformity, type of crew, complaint, pain score, call time, and prior analgesia. Results All 11,084 ACRs from January 1, 2017 to December 31, 2019 were reviewed. The sample included 5887/11084 (53.1%) males, ranging from 1 month to 17 years, with a mean (SD) age of 10.5 (5.6) years. Calls involved mainly PCPs [8576/11084 (77.4%)]. Non-trauma-related musculoskeletal injuries were most common, comprising 2743/11,084 (24.7%) of calls. Pain scores were documented in 6947/11084 (62.7%) of calls. The verbal numeric rating scale (0-10) was used in 5022/6947 (72.3%) of calls, with a mean (SD) score of 5.2 (3.2). Non-pharmacologic analgesia was provided in 2926/11084 (26.4%) of calls, most commonly splint (1115/2926, 38.1%) and ice (931/2926, 31.8%). Pharmacologic analgesia was provided in 458/11084 (4.1%) of calls. In the multivariate model, mild (OR: 3.2; 95% CI 2.3-4.4; p &lt; 0 .001) and moderate pain (OR: 1.7; 95% CI 1.3-2.2) (versus no pain) were significant predictors of non-pharmacologic analgesia, whereas visible deformity (OR: 0.5; 95% CI 0.3-0.6; p &lt; 0 .001) was a significant negative predictor. Conclusion The provision of non-pharmacologic analgesia to children in Southwestern Ontario by prehospital providers is suboptimal, despite moderate to severe pain. There is a clear need for education surrounding approaches to non-pharmacologic analgesia in children among prehospital providers.


2021 ◽  

Background: Treatment provided in an emergency department is aimed at alleviating pain immediately with minimized adverse effects as well as warding off further migraine attacks. The primary aim of this article is to compare the effectiveness of oral paracetamol versus zolmitriptan in treating acute migraine attacks. Methods: This prospective, randomized, and controlled study was carried out at a tertiary care hospital visited by 95,000 patients annually. The study recruited 200 participants who were randomized into two groups. One group received 1000 mg paracetamol while the other group received 2.5 mg zolmitriptan orally. Baseline pain scores were recorded using the Visual Analogue Scale (VAS) and Numeric Rating Scale (NRS) at 15, 30 and at 60 min following administration of the study drugs. Patients requiring further treatment were provided fentanyl at a dosage of 1 µg/kg as a rescue therapy. Results: A significant decrease was evident in VAS and NRS scores following the administration of the study drugs in both groups (P < 0.001). The change in VAS pain scores after 15, 30 and 60 min was calculated as 17.0 ± 13.9, 41.2 ± 16.3 and 61.2 ± 17.5 mm, respectively, in the paracetamol group and 14.2 ± 11.7, 39.2 ± 17.9 and 59.2± 19.3 mm, respectively, in the zolmitriptan group, which did not indicate significant differences (P = 0.103, P = 0.425, P = 0.483, respectively). Likewise, NRS pain scores showed a downward trend in line with VAS pain scores and did not yield a significant difference (P = 0.422). No significant difference concerning rescue therapy was noted between the two groups (P = 0.596). Conclusion: Oral paracetamol and zolmitriptan prove to be similarly effective and have low incidence of acute side effects in treating acute migraine cases without aura.


2020 ◽  
Vol 45 (4) ◽  
pp. 260-266 ◽  
Author(s):  
Matthew W Swisher ◽  
Anne M Wallace ◽  
Jacklynn F Sztain ◽  
Engy T Said ◽  
Bahareh Khatibi ◽  
...  

BackgroundParavertebral nerve blocks (PVBs) are frequently used to treat pain during and following breast surgery, but have various undesirable risks such as pneumothorax. The erector spinae plane block (ESPB) also provides perioperative breast analgesia, but is purported to be easier to administer with a favorable safety profile. However, it remains unknown if the new ESPB provides comparable analgesia as the decades-old PVB technique.MethodsSubjects undergoing unilateral or bilateral non-mastectomy breast surgery were randomized to a single-injection ESPB or PVB in a subject-blinded fashion (ropivacaine 0.5% with epinephrine; 20 mL unilateral or 16 mL/side for bilateral). We hypothesized that (1) analgesia would be non-inferior in the recovery room as measured on a Numeric Rating Scale (NRS) with ESPB, and (2) opioid consumption would be non-inferior in the operating and recovery rooms with ESPB.ResultsBoth pain scores and opioid consumption were higher in subjects with ESPBs (n=50) than PVBs (n=50; median NRS 3.0 vs 0; 95% CI −3.0 to 0; p=0.0011; and median morphine equivalents 2.0 vs 1.5 mg; 95% CI −1.2 to −0.1; p=0.0043). No block-related adverse events occurred in either group.ConclusionsPVBs provided superior analgesia and reduced opioid requirements following non-mastectomy breast surgery. To compare the relatively rare complications between the techniques will require a sample size 1–2 orders of magnitude greater than the current investigation; however, without a dramatic improvement in safety profile for ESPBs, it appears that PVBs are superior to ESPBs for postoperative analgesia after non-mastectomy breast surgery.Trial registration numberNCT03549234.


2017 ◽  
Vol 45 (4) ◽  
pp. 459-465 ◽  
Author(s):  
P. J. Peyton ◽  
C. Wu ◽  
T. Jacobson ◽  
M. Hogg ◽  
F. Zia ◽  
...  

Chronic postsurgical pain (CPSP) is a common and debilitating complication of major surgery. We undertook a pilot study at three hospitals to assess the feasibility of a proposed large multicentre placebo-controlled randomised trial of intravenous perioperative ketamine to reduce the incidence of CPSP. Ketamine, 0.5 mg/kg pre-incision, 0.25 mg/kg/hour intraoperatively and 0.1 mg/kg/hour for 24 hours, or placebo, was administered to 80 patients, recruited over a 15-month period, undergoing abdominal or thoracic surgery under general anaesthesia. The primary endpoint was CPSP in the area of the surgery reported at six-month telephone follow-up using a structured questionnaire. Fourteen patients (17.5%) reported CPSP (relative risk [95% confidence interval] if received ketamine 1.18 [0.70 to 1.98], P=0.56). Four patients in the treatment group and three in the control group reported ongoing analgesic use to treat CPSP and two patients in each group reported their worst pain in the previous 24 hours at ≥3/10 at six months. There were no significant differences in adverse event rates, quality of recovery scores, or cumulative morphine equivalents consumption in the first 72 hours. Numeric Rating Scale pain scores (median [interquartile range]) for average pain in the previous 24 hours among those patients reporting CPSP were 17.5 [0 to 40] /100 with no difference between treatment groups. A large (n=4,000 to 5,000) adequately powered multicentre trial is feasible using this population and methodology.


2020 ◽  
Vol 5 (4) ◽  
pp. 2473011420S0024
Author(s):  
Leah Herzog ◽  
Sylvia H. Wilson ◽  
Christopher E. Gross

Category: Ankle; Bunion Introduction/Purpose: Peripheral nerve blocks have become an integral part of orthopedic surgery to assist with postoperative pain. However, 40% of patients who undergo a peripheral nerve block will experience rebound pain, which in turn, long-acting narcotics may be able to block. Unfortunately, this rebound pain can cancel out the potential benefits of decreased opioid medication use. Therefore, this study seeks to compare the difference in patient reported pain scores in those patients whom received long-acting opioid pain medication and those who did not. Methods: This is a retrospective review of patient-reported pain scores for 96 patients who underwent a peripheral nerve block for outpatient foot and ankle surgery. 48 patients either received three days of long-acting opioids or did not. Each patient was asked to fill out and return a pain diary as well as fill out a pain catastrophizing survey (PCS) at their postoperative appointment. The pain diary discussed their Visual Analogue Scale pain scores, amount of pain medication, and time they took the medicine. This data was then collected and compared via paired student t-tests for evaluation of significance. Results: Pain diaries were completed by 69 patients (72%). There were no significant differences between those comorbidities, types of procedures, age, or BMI between the groups. Mean postoperative pain scores did not differ between patients that did and did not receive postoperative extended release opioid medications (p = 0.226). Mean opioid consumption did not differ between groups (p = 0.945). There were no correlations between daily reported pain scores or the postoperative day with the highest pain score for those who received long acting opioid pain medication versus those who did not (r=0.336, p=0.550). Conclusion: Rebound pain is a difficult potential side effect of peripheral nerve blocks that currently does not have a preventative measure. This study was an attempted effort to help eliminate rebound pain, but there did not appear to be a significant benefit to adding long-acting opioid pain medication in addition to the peripheral nerve block and short-acting pain medication


2021 ◽  
Vol 104 (1) ◽  
pp. 73-78

Background: Since the patients scheduled for an endoscopic procedure had been unhappy with pain during intravenous cannulation. Objective: To compare the effectiveness between 5% eutectic mixture of local anesthetic cream and ethyl chloride spray applied on the skin prior to the procedure. Materials and Methods: One hundred eighty-six patients were randomized equally into three groups, A: 5% eutectic mixture of local anesthetic cream, B: ethyl chloride spray, and C: placebo. Then a nurse used a 22-gauge (22G) needle catheter to administer a cannula. Five minutes after the intravenous cannulation, a co-researcher assessed the patient’s pain perception and satisfaction as well as the nurse’s difficulty in performance by means of a numeric rating scale. Results: One hundred seventy-six patients completed the present study. Participants having the anesthetic cream and spray application as well as the placebo expressed their pain scores as 1.7±1.3, 1.6±1.2, and 2.2±1.3, respectively. Therefore, patients applied with local anesthetics had significantly less pain perception than those with the placebo (p=0.039); however, scores were not different between the anesthetic cream and the spray groups. Conclusion: Patients scheduled for an endoscopic procedure did not showed significant pain relief with either the 5% eutectic mixture of local anesthetic cream or the ethyl chloride spray. Keywords: 5% eutectic mixture of local anesthetic cream, Ethyl chloride spray, Endoscopic surgery, Intravenous cannulation, Pain


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