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A Randomized Controlled Trial on the Effect of Needle Gauge on the Pain and Anxiety Experienced during Radial Arterial Puncture.

ABSTRACT: Arterial punctures for assessment of arterial blood-gases can be a painful procedure. Lidocaine can be used to reduce pain prior to needle insertion but it is not a widely accepted practice. The purpose of this study was to determine whether a large size needle induces more pain compared to a smaller size needle for radial arterial puncture and to assess the anxiety associated with radial arterial punctures.We conducted a prospective, double-blind, randomized, controlled, monocentric study including all outpatients who had a planned assessment of arterial blood gas analysis. Patients were randomized to have the arterial puncture performed with a 23 or a 25 G needle. The main judgement criteria was pain during arterial puncture. Visual analogue scale for pain (VAS-P) and visual analogue scale for anxiety (VAS-A) were used to assess pain and anxiety during radial arterial puncture.Two hundred consecutive patients were randomized. The 25 G needle was as painful as the 23 G needle (6.63 mm [0-19 mm] vs. 5.21 mm [0-18.49 mm], respectively, p = 0.527). Time for arterial puncture was longer with the 25 G needle than with the 23 G needle (42 s [35-55 s] vs. 33 s [24.5-35 s], respectively, p = 0.002). There was a correlation between the level of anxiety prior to the arterial puncture and the pain experienced by the patients (p: 0.369, p<0.0001). There was a correlation between the pain experienced by patients and the anxiety experienced in anticipation of another arterial puncture (p: 0.5124, p<0.0001).The use of 23 G needle allows quicker arterial sampling and is not associated with increased pain and symptoms. Anxiety was correlated with the pain experienced by patients during arterial punctures.Clinicaltrials.gov: NCT02320916.

SUBMITTER: Patout M

PROVIDER: S-EPMC4583403 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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A Randomized Controlled Trial on the Effect of Needle Gauge on the Pain and Anxiety Experienced during Radial Arterial Puncture.

Patout Maxime M Lamia Bouchra B Lhuillier Elodie E Molano Luis-Carlos LC Viacroze Catherine C Benhamou Daniel D Muir Jean-François JF Cuvelier Antoine A

PloS one 20150925 9

<h4>Background</h4>Arterial punctures for assessment of arterial blood-gases can be a painful procedure. Lidocaine can be used to reduce pain prior to needle insertion but it is not a widely accepted practice. The purpose of this study was to determine whether a large size needle induces more pain compared to a smaller size needle for radial arterial puncture and to assess the anxiety associated with radial arterial punctures.<h4>Methods</h4>We conducted a prospective, double-blind, randomized, ...[more]

PMID: 26407017

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Project description:BackgroundInadvertent intravascular injection has been suggested as the most probable mechanism behind serious neurological complications during transforaminal epidural steroid injections. Authors believe a smaller gauge needle may lead to less intravascular uptake and less pain. Theoretically, there is less chance for a smaller gauge needle to encounter a blood vessel during an injection compared to a larger gauge needle. Studies have also shown smaller gauge needle to cause less pain. The aim of the study was to quantify the difference between a 22-gauge needle and 25-gauge needle during lumbosacral transforaminal epidural steroid injection in regards to intravascular uptake and pain perception.MethodsThis was a prospective single blind randomized clinical trial performed at outpatient spine practice locations of two academic institutions. One hundred sixty-two consecutive patients undergoing lumbosacral transforaminal epidural injections from February 2018 to June 2019 were recruited and randomized to each arm of the study - 84 patients were randomized to the 22-gauge needle arm and 78 patients to 25-gauge arm. Each transforaminal injection level was considered a separate incidence, hence total number of incidence was 249 (136 in 22-gauge arm and 113 in 25-gauge arm). The primary outcome measure was intravascular uptake during live fluoroscopy and/or blood aspiration. The secondary outcome measure was patient reported pain during the procedure on the numerical rating scale.ResultsFisher exact test was used to detect differences between 2 groups in regards to intravascular uptake and paired t-tests were used to detect differences in pain scores. The incidence of intravascular uptake for a 22-gauge needle was 5.9% (95% confidence interval: 1.9 to 9.8%) and for a 25-gauge needle, 7.1% (95% confidence interval: 2.4 to 11.8%) [p = 0.701]. Average numerical rating scale scores during the initial needle entry for 22-gauge and 25-gauge needle was 3.46 (95% confidence interval: 2.94 to 3.98) and 3.13 (95% confidence interval: 2.57 to 3.69) respectively [p = 0.375].ConclusionsThe study showed no statistically significant difference in intravascular uptake or pain perception between a 22-gauge needle and 25-gauge needle during lumbosacral transforaminal epidural steroid injections.Trial registrationClinicalTrials.gov NCT04350307. Registered 4/17/2020. (Retrospectively registered).

Project description:BackgroundComputerized tomography-guided celiac plexus neurolysis has become almost a safe technique to alleviate abdominal malignancy pain. We compared the single needle technique with changing patients' position and the double needle technique using posterior anterocrural approach.MethodsIn Double Needles Celiac Neurolysis Group (n = 17), we used two needles posterior anterocrural technique injecting 12.5 mL phenol 10% on each side in prone position. In Single Needle Celiac Neurolysis Group (n = 17), we used single needle posterior anterocrural approach. 25 mL of phenol 10% was injected from left side while patients were in left lateral position then turned to right side. The monitoring parameters were failure block rate and duration of patient positioning, technique time, Visual Analog Scale, complications (hypotension, diarrhea, vomiting, hemorrhage, neurological damage and infection) and rescue analgesia.ResultsThe failure block rate and duration of patient positioning significantly increased in double needles celiac neurolysis vs. single needle celiac neurolysis (30.8% vs. 0.13.8±1.2 vs. 8.9 ± 1; p = 0.046, p ≤ 0.001 respectively). Also, the technique time increased significantly in double needles celiac neurolysis than single needle celiac neurolysis (24.5 ± 5.1 vs. 15.4 ± 1.8; p ≤ 0.001). No significant differences existed as regards visual analogue scale: double needles celiac neurolysis = 2 (0-5), 2 (0-4), 3 (0-6), 3 (2-6) and single needle celiac neurolysis = 3 (0-5), 2 (0-5), 2 (0-4), 4 (2-6) after 1 day, 1 week, 1 and 3 months respectively. However, visual analogue scale in each group reduced significantly compared with basal values (p ≤ 0.001). There were no statistically significant differences as regards rescue analgesia and complications (p > 0.05).ConclusionSingle needle celiac neurolysis with changing patients' position has less failure block rate, less procedure time, shorter duration of patient positioning than double needles celiac neurolysis in abdominal malignancy.

Project description:ObjectiveTo study pain in women undergoing oocyte retrieval with a reduced needle (20/17 gauge) compared to a standard needle (16 gauge).DesignSingle-center randomized controlled trial.SettingFertility clinic.PatientsWomen undergoing their first oocyte retrieval for in vitro fertilization or intracytoplasmic sperm injection.InterventionsOocyte retrieval with a reduced needle (20/17 gauge) or with a standard needle (16 gauge).Main outcome measuresThe primary outcome measure was intraoperative pain on an 11-point visual analogue scale (VAS). Secondary outcome measures included the following: dosage of fentanyl requested; pain at 5, 15 and 30 minutes after retrieval; and pain and analgesia until 4 days after retrieval.ResultsA total of 47 women were randomized for the reduced needle (RN) and 48 for the standard needle (SN). Pain scores were significantly lower during and after retrieval with the RN. During retrieval, mean VAS scores in the RN group were 4.3 versus 6.3 in the SN group. Pain remained significantly lower in the RN group after retrieval, with VAS-scores of 1.2 vs. 2.1 directly after retrieval, 0.0 versus 2.0 5 minutes after retrieval, and 0.0 versus 1.0 30 minutes after retrieval. In the RN group, three patients (6.4%) requested more fentanyl during the procedure, versus 16 (33.3%) in the SN group. A total of 79 patients submitted their follow-up questionnaire (response rate 83%). Pain on the first 2 days following retrieval was significantly less in the RN group, with VAS scores of 1.6 versus 2.4 in the SN group, and 1.2 versus 2.5. In line with this finding, fewer patients in the RN group took analgesia on the days after the procedure. This difference was statistically significant only on day 3.ConclusionUse of a thinner needle results in significantly and clinically relevant lower pain scores during oocyte retrieval, and patients in the reduced needle group requested significantly less analgesia during oocyte retrieval than patients in the standard needle group. Pain scores remained significantly lower up until 2 days after the procedure.Dutch trial registration numberNTR6064 (www.trialregister.nl).

Project description:Background and Objectives: Endoscopic ultrasound (EUS) fine needle biopsy (FNB) needles were designed to improve histologic yield, while maintaining the flexibility to permit ease of use. However, the diagnostic benefit of EUS-FNB needles as compared to the conventional fine needle aspiration (FNA) needles remains unclear. This study aimed to identify the diagnostic accuracy of combined needle use of a new 20-gauge ProCore FNB needle and a 25-gauge FNA needle. Methods: For this study, cases were selected in which both the 20-gauge ProCore FNB needle and the 25-gauge FNA needle were used during a single EUS procedure for sampling of a solid pancreatic mass, lymph node, or submucosal mass. Tissue acquisition was performed in the course of the ASPRO trial, a multicenter randomized study comparing the diagnostic value of 20-gauge ProCore FNB and 25-gauge FNA needles (ClinicalTrials.gov: NCT02167074). The protocol allowed additional sampling with the nonassigned needle, at the discretion of an endosonographer. Results: Of all 615 patients who were randomized for the ASPRO study, 74 were sampled with both needle types. In these combined needle cases, FNA was used first in 24 and ProCore FNB in 50 cases. Target lesions encompassed 39 solid pancreatic lesions, 18 submucosal masses, and 17 lymph nodes. Most pancreatic lesions were located in the head (25/39), lymph nodes were mainly located in the abdomen (15/18), and submucosal lesions were located in the stomach (8/20), esophagus (4/20), small intestines (3/20), and rectum (3/20). The main reason to use ProCore in addition to FNA was to collect more tissue for ancillary testing (79%). FNA was generally used in addition to ProCore to allow for on-site pathological assessment (76%). The regimen of FNA followed by ProCore resulted in 100% accuracy, while for ProCore followed by FNA, 88% was reached (P = 0.086). The type of target lesion, either pancreatic or nonpancreatic, did not affect the diagnostic accuracy of the two sampling regimens (odds ratio 1.2, 95% confidence interval 0.22–6.61, P = 0.834). Conclusion: FNA followed by ProCore FNB provides for a 100% diagnostic accuracy and tends to outperform ProCore FNB followed by FNA. Accuracy rates were independent of the type of target lesion.

Dataset Information

A Randomized Controlled Trial on the Effect of Needle Gauge on the Pain and Anxiety Experienced during Radial Arterial Puncture.

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A Randomized Controlled Trial on the Effect of Needle Gauge on the Pain and Anxiety Experienced during Radial Arterial Puncture.

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