Veterinary anaesthesia and analgesia最新文献

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Effect of end-inspiratory pause duration on respiratory system compliance calculation in mechanically ventilated dogs with healthy lungs 吸气末暂停持续时间对肺部健康的机械通气狗呼吸系统顺应性计算的影响
IF 1.7 2区 农林科学
Veterinary anaesthesia and analgesia Pub Date : 2024-03-27 DOI: 10.1016/j.vaa.2024.03.009
Virginia García-Sanz, Susana Canfrán, Ignacio A. Gómez de Segura, Delia Aguado
{"title":"Effect of end-inspiratory pause duration on respiratory system compliance calculation in mechanically ventilated dogs with healthy lungs","authors":"Virginia García-Sanz,&nbsp;Susana Canfrán,&nbsp;Ignacio A. Gómez de Segura,&nbsp;Delia Aguado","doi":"10.1016/j.vaa.2024.03.009","DOIUrl":"10.1016/j.vaa.2024.03.009","url":null,"abstract":"<div><h3>Objective</h3><p>To compare respiratory system compliance (<em>C</em><sub>RS</sub>), expressed per kilogram of bodyweight (<em>C</em><sub>RS</sub>BW), calculated without end-inspiratory pause (EIP) and after three EIP times (0.2, 0.5 and 1 seconds) with that after 3 second EIP (considered the reference EIP for static <em>C</em><sub>RS</sub>) and to determine the EIP times that provided <em>C</em><sub>RS</sub>BW values in acceptable agreement with static <em>C</em><sub>RS</sub>BW during controlled mechanical ventilation (CMV) in anaesthetized dogs.</p></div><div><h3>Study design</h3><p>Prospective, randomized, nonblinded, crossover clinical study.</p></div><div><h3>Animals</h3><p>A group of 24 client-owned dogs with healthy lungs undergoing surgery in lateral recumbency.</p></div><div><h3>Methods</h3><p>During CMV in dogs undergoing general anaesthesia, five EIPs [0 (no EIP), 0.2, 0.5, 1 and 3 seconds] were consecutively applied in random order. Tidal volume (V<span>t</span>) was set at 10 mL kg<sup>–1</sup> and positive end-expiratory pressure (PEEP) was not applied. Respiratory rate and inspiratory time were established according to each EIP time, setting EIP between 0 and 50% of the inspiratory time. The <em>C</em><sub>RS</sub>BW was calculated as [expired V<span>t</span>/(plateau pressure – PEEP)]/bodyweight and recorded every 15 seconds for 2 minutes after a 5 minute equilibration period with each EIP. One-way <span>anova</span> for repeated measures and the Bland–Altman analysis were used to compare <em>C</em><sub>RS</sub>BW and evaluate agreement between EIP times, respectively.</p></div><div><h3>Results</h3><p>The <em>C</em><sub>RS</sub>BW was significantly greater as the EIP time increased up to 1 second (<em>p</em> &lt; 0.05). In the Bland–Altman analysis, none of the tested EIPs (0, 0.2, 0.5 and 1 seconds) provided 95% confidence intervals for limits of agreement within the maximum allowed difference considered for acceptable agreement with 3 second EIP.</p></div><div><h3>Conclusions</h3><p><strong>and clinical relevance</strong> An EIP ≤ to 1 second does not provide a <em>C</em><sub>RS</sub>BW value in acceptable agreement with static <em>C</em><sub>RS</sub>BW in healthy dogs. Besides, the application of an EIP ≤ to 0.5 seconds underestimates the static <em>C</em><sub>RS</sub>BW to an increasing extent as the EIP time decreases.</p></div>","PeriodicalId":23626,"journal":{"name":"Veterinary anaesthesia and analgesia","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140408050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Retrospective comparison between low-volume high-concentration and high-volume low-concentration levobupivacaine for bilateral erector spinae plane block in dogs undergoing hemilaminectomy 低容量-高浓度和高容量-低浓度左旋布比卡因对接受半椎板切除术的狗进行双侧竖脊肌平面阻滞的回顾性比较
IF 1.7 2区 农林科学
Veterinary anaesthesia and analgesia Pub Date : 2024-03-24 DOI: 10.1016/j.vaa.2024.03.007
Bernat Martínez I Ferré , Valeria Martín Bellido , Inga Viilmann , Enzo Vettorato
{"title":"Retrospective comparison between low-volume high-concentration and high-volume low-concentration levobupivacaine for bilateral erector spinae plane block in dogs undergoing hemilaminectomy","authors":"Bernat Martínez I Ferré ,&nbsp;Valeria Martín Bellido ,&nbsp;Inga Viilmann ,&nbsp;Enzo Vettorato","doi":"10.1016/j.vaa.2024.03.007","DOIUrl":"10.1016/j.vaa.2024.03.007","url":null,"abstract":"<div><h3>Objective</h3><p>To compare the analgesic effect of a bilateral ultrasound-guided erector spinae plane block (ESPB) in dogs undergoing hemilaminectomy using either a low-volume high-concentration (LV-HC) or a high-volume low-concentration (HV-LC) local anaesthetic solution.</p></div><div><h3>Study design</h3><p>Retrospective observational equivalence trial.</p></div><div><h3>Animals</h3><p>A total of 391 client-owned dogs undergoing hemilaminectomy.</p></div><div><h3>Methods</h3><p>Dogs were assigned to group LV-HC or HV-LC depending on whether 0.2–0.25% levobupivacaine (0.4–0.5 mL kg<sup>–1</sup>) or 0.125–0.15% levobupivacaine (0.8–1 mL kg<sup>–1</sup>) was used to perform the ESPB, respectively. The number of dogs in which intraoperative rescue fentanyl boluses were administered, the total dose of fentanyl administered, the overall methadone consumption during the first 24 hours postoperatively and anaesthetic complications were recorded. Univariate and multivariate statistical analyses were performed considering <em>p</em> &lt; 0.05 significant.</p></div><div><h3>Results</h3><p>A total of 248 and 143 dogs were assigned to groups LV-HC and HV-LC, respectively. In group HV-LC, the number of dogs requiring fentanyl intraoperatively (64.3%) was higher (<em>p</em> = 0.0001) than that in group LV-HC (43.5%). The overall intraoperative fentanyl consumption was higher in group HV-LC between the first skin incision and the end of the lamina drilling (<em>p</em> = 0.028). According to the regression analysis, the group allocation was the best variable to predict the intraoperative fentanyl consumption (<em>p</em> &lt; 0.001).</p><p>Antimuscarinic drugs were administered more frequently in group LV-HC (<em>p</em> &lt; 0.02). However, the prevalence of hypotension and other pharmacological cardiovascular interventions did not differ between groups. No differences in methadone consumption during the first 24 hours postoperatively were found between the groups.</p></div><div><h3>Conclusionsand clinical relevance</h3><p>When performing a bilateral ESPB in dogs undergoing hemilaminectomy, compared with HV-LC, the use of LV-HC local anaesthetic solution reduces the intraoperative fentanyl consumption without affecting the postoperative methadone requirement.</p></div>","PeriodicalId":23626,"journal":{"name":"Veterinary anaesthesia and analgesia","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140399193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ipsilateral thoracic limb block and Horner’s syndrome associated with bupivacaine in a dog undergoing thoracotomy 一只狗在接受开胸手术时出现了与布比卡因相关的同侧胸肢阻滞和霍纳综合征。
IF 1.7 2区 农林科学
Veterinary anaesthesia and analgesia Pub Date : 2024-03-23 DOI: 10.1016/j.vaa.2024.03.008
Odyssefs Patouchas , Nicola Kulendra , Roger Medina-Serra
{"title":"Ipsilateral thoracic limb block and Horner’s syndrome associated with bupivacaine in a dog undergoing thoracotomy","authors":"Odyssefs Patouchas ,&nbsp;Nicola Kulendra ,&nbsp;Roger Medina-Serra","doi":"10.1016/j.vaa.2024.03.008","DOIUrl":"10.1016/j.vaa.2024.03.008","url":null,"abstract":"","PeriodicalId":23626,"journal":{"name":"Veterinary anaesthesia and analgesia","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141076915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of tasipimidine premedication with and without methadone and dexmedetomidine on cardiovascular variables during propofol-isoflurane anaesthesia in Beagle dogs 在对比格犬进行异氟醚丙泊酚麻醉时,使用或不使用美沙酮和右美托咪定进行他西脒预处理对心血管变量的影响
IF 1.7 2区 农林科学
Veterinary anaesthesia and analgesia Pub Date : 2024-03-14 DOI: 10.1016/j.vaa.2024.03.005
Sabine BR. Kästner , Thomas Amon , Julia Tünsmeyer , Mike Noll , Franz-Josef Söbbeler , Sirpa Laakso , Lasse Saloranta , Mirja Huhtinen
{"title":"Effects of tasipimidine premedication with and without methadone and dexmedetomidine on cardiovascular variables during propofol-isoflurane anaesthesia in Beagle dogs","authors":"Sabine BR. Kästner ,&nbsp;Thomas Amon ,&nbsp;Julia Tünsmeyer ,&nbsp;Mike Noll ,&nbsp;Franz-Josef Söbbeler ,&nbsp;Sirpa Laakso ,&nbsp;Lasse Saloranta ,&nbsp;Mirja Huhtinen","doi":"10.1016/j.vaa.2024.03.005","DOIUrl":"10.1016/j.vaa.2024.03.005","url":null,"abstract":"<div><h3>Objective</h3><p>To evaluate cardiovascular effects of oral tasipimidine on propofol-isoflurane anaesthesia with or without methadone and dexmedetomidine at equianaesthetic levels.</p></div><div><h3>Study design</h3><p>Prospective, placebo-controlled, blinded, experimental trial.</p></div><div><h3>Animals</h3><p>A group of seven adult Beagle dogs weighing (mean ± standard deviation) 12.4 ± 2.6 kg and a mean age of 20.6 ± 1 months.</p></div><div><h3>Methods</h3><p>The dogs underwent four treatments 60 minutes before induction of anaesthesia with propofol. PP: placebo orally and placebo (NaCl 0.9%) intravenously (IV); TP: tasipimidine 30 μg kg<sup>–1</sup> orally and placebo IV; TMP: tasipimidine 30 μg kg<sup>–1</sup> orally and methadone 0.2 mg kg<sup>–1</sup> IV; and TMPD: tasipimidine 30 μg kg<sup>–1</sup> orally with methadone 0.2 mg kg<sup>–1</sup> and dexmedetomidine 1 μg kg<sup>–1</sup> IV followed by 1 μg kg<sup>–1</sup> hour<sup>–1</sup>.</p><p>Isoflurane in oxygen was maintained for 120 minutes at 1.2 individual minimum alveolar concentration preventing motor movement. Cardiac output (CO), tissue blood flow (tbf), tissue oxygen saturation (stO<sub>2</sub>) and relative haemoglobin content were determined. Arterial and mixed venous blood gases, arterial and pulmonary artery pressures and heart rate (HR) were measured at baseline; 60 minutes after oral premedication; 5 minutes after IV premedication; 15, 30, 60, 90 and 120 minutes after propofol injection; and 30 minutes after switching the vaporiser off. Data were analysed by two-way <span>anova</span> for repeated measures; <em>p</em> &lt; 0.05.</p></div><div><h3>Results</h3><p>Tasipimidine induced a significant 20–30% reduction in HR and CO with decreases in MAP (10–15%), tbf (40%) and stO<sub>2</sub> (43%). Blood pressure and oxygenation variables were mainly influenced by propofol-isoflurane-oxygen anaesthesia, preceded by short-lived alterations related to IV methadone and dexmedetomidine.</p></div><div><h3>Conclusions and clinical relevance</h3><p>Tasipimidine induced mild to moderate cardiovascular depression. It can be incorporated into a common anaesthetic protocol without detrimental effects in healthy dogs, when anaesthetics are administered to effect and cardiorespiratory function is monitored.</p></div>","PeriodicalId":23626,"journal":{"name":"Veterinary anaesthesia and analgesia","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1467298724000370/pdfft?md5=3d0fae97b77d5698b2bdb38c021c95b2&pid=1-s2.0-S1467298724000370-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140277081","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of a novel, low-cost, 3D printed video laryngoscope with borescope in anesthetized Beagle dogs 在麻醉比格犬中评估新型低成本 3D 打印视频喉镜和内窥镜。
IF 1.7 2区 农林科学
Veterinary anaesthesia and analgesia Pub Date : 2024-03-13 DOI: 10.1016/j.vaa.2024.03.006
Won-gyun Son, Taehoon Sung, Donghwi Shin, Suehyung Rhee, Changhoon Nam, Minha Kim, Chailin Park, Jungha Lee, Junsoo Kim, Inhyung Lee
{"title":"Evaluation of a novel, low-cost, 3D printed video laryngoscope with borescope in anesthetized Beagle dogs","authors":"Won-gyun Son,&nbsp;Taehoon Sung,&nbsp;Donghwi Shin,&nbsp;Suehyung Rhee,&nbsp;Changhoon Nam,&nbsp;Minha Kim,&nbsp;Chailin Park,&nbsp;Jungha Lee,&nbsp;Junsoo Kim,&nbsp;Inhyung Lee","doi":"10.1016/j.vaa.2024.03.006","DOIUrl":"10.1016/j.vaa.2024.03.006","url":null,"abstract":"<div><h3>Objective</h3><p>To develop and evaluate a low-cost three-dimensional (3D)-printed video laryngoscope (VL<sub>VET</sub>) for use with a commercial borescope.</p></div><div><h3>Study design</h3><p>Instrument development and pilot study.</p></div><div><h3>Animals</h3><p>A total of six adult male Beagle dogs.</p></div><div><h3>Methods</h3><p>The VL<sub>VET</sub> consisted of a laryngoscope handle and a Miller-type blade, and a detachable camera holder that attached to various locations along the blade. The laryngoscope and camera holder were 3D-printed using black polylactic acid filament. Dogs were premedicated with intravenous (IV) medetomidine (15 μg kg<sup>−1</sup>) and anesthesia induced with IV alfaxalone (1.5 mg kg<sup>−1</sup>). The VL<sub>VET</sub>, combined with a borescope, was used for laryngeal visualization and intubation. Performance was evaluated by comparing direct and video-assisted views in sternal recumbency. The borescope camera was sequentially positioned at 2, 4, 6, 8 and 10 cm from the blade tip (distance<sub>LARYNX-CAM</sub>), which was placed on the epiglottis during intubation or laryngoscopy. At the 10 cm distance<sub>LARYNX-CAM</sub>, laryngeal visualization was sequentially scored at inter-incisor gaps of 10, 8, 6, 4 and 2 cm. Laryngeal visualization scores (0–3 range, with 0 = obstructed and 3 = unobstructed views) were statistically analyzed using the Friedman’s test.</p></div><div><h3>Results</h3><p>Under direct visualization, the 2 cm distance<sub>LARYNX-CAM</sub> had a significantly lower score compared with all other distance<sub>LARYNX-CAM</sub> (all <em>p</em> = 0.014) because the view was obstructed by the camera holder and borescope camera. With both direct and camera-assisted views, visualization scores were higher at inter-incisor gaps ≥ 4 cm compared with 2 cm (all <em>p</em> &lt; 0.05).</p></div><div><h3>Conclusions and clinical relevance</h3><p>During laryngoscopy and intubation, the VL<sub>VET</sub> and borescope facilitated both direct and video laryngoscopy at distance<sub>LARYNX-CAM</sub> in Beagle dogs when inter-incisor gaps were ≥ 4 cm.</p></div>","PeriodicalId":23626,"journal":{"name":"Veterinary anaesthesia and analgesia","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140269875","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Use of sugammadex for neuromuscular blockade reversal on a dog with myasthenia gravis undergoing thymoma resection 在胸腺瘤切除术中对患有重症肌无力的狗使用苏麦得斯逆转神经肌肉阻滞作用
IF 1.7 2区 农林科学
Veterinary anaesthesia and analgesia Pub Date : 2024-03-09 DOI: 10.1016/j.vaa.2024.03.004
Joaquin Araos, Manuel Martin-Flores
{"title":"Use of sugammadex for neuromuscular blockade reversal on a dog with myasthenia gravis undergoing thymoma resection","authors":"Joaquin Araos,&nbsp;Manuel Martin-Flores","doi":"10.1016/j.vaa.2024.03.004","DOIUrl":"10.1016/j.vaa.2024.03.004","url":null,"abstract":"","PeriodicalId":23626,"journal":{"name":"Veterinary anaesthesia and analgesia","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140281905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of increased resistance on dynamic compliance assessed by two clinical monitors during volume-controlled ventilation: A test-lung study 增大阻力对容量控制通气过程中两种临床监护仪评估的动态顺应性的影响:一项试肺研究
IF 1.7 2区 农林科学
Veterinary anaesthesia and analgesia Pub Date : 2024-03-09 DOI: 10.1016/j.vaa.2024.03.003
Daniel Ben-Aderet , João HN. Soares , Melissa LC. Bueno
{"title":"Effect of increased resistance on dynamic compliance assessed by two clinical monitors during volume-controlled ventilation: A test-lung study","authors":"Daniel Ben-Aderet ,&nbsp;João HN. Soares ,&nbsp;Melissa LC. Bueno","doi":"10.1016/j.vaa.2024.03.003","DOIUrl":"10.1016/j.vaa.2024.03.003","url":null,"abstract":"<div><h3>Objective</h3><p>To evaluate the effect of increased respiratory system resistance (R<sub>RS</sub>) on dynamic compliance (C<sub>dyn</sub>) assessed by the NM3 monitor (C<sub>dyn(NM3)</sub>) and the E-CAiOV module (C<sub>dyn(ECAiOV)</sub>).</p></div><div><h3>Study design</h3><p>Prospective laboratory study.</p></div><div><h3>Methods</h3><p>A training test lung (TTL) simulated the mechanical ventilation of a mammal with 50 and 300 mL tidal volumes in three conditions of R<sub>RS</sub> [normal (R<sub>BL</sub>), moderately increased (R<sub>1</sub>) and severely increased (R<sub>2</sub>)] and a wide range of clinically relevant C<sub>dyn</sub>. Simulations at increased R<sub>RS</sub> were paired with simulations at R<sub>BL</sub> with the same static compliance for comparisons. Pearson’s correlation coefficient and concordance correlation coefficient between the measurements at R<sub>BL</sub> with the ones with increased R<sub>RS</sub> were calculated. Bland–Altman plots were also used to evaluate the agreement of C<sub>dyn(ECAiOV)</sub> and C<sub>dyn(NM3)</sub> at R<sub>BL</sub> (control values) with their paired values at R<sub>1</sub> and R<sub>2</sub>. Relative bias and limits of agreement (LOAs) were calculated and LOAs larger than 30% were considered unacceptable. Trending ability of C<sub>dyn(NM3)</sub> and C<sub>dyn(ECAiOV)</sub> were evaluated by polar plots. Values of <em>p</em> &lt; 0.05 were considered significant.</p></div><div><h3>Results</h3><p>The effect of increased R<sub>RS</sub> was more pronounced for C<sub>dyn(ECAiOV)</sub> than for C<sub>dyn(NM3)</sub>. Unacceptable agreement was only observed in C<sub>dyn(NM3)</sub> at R<sub>2</sub> in the 300 mL simulation (bias = –18.3% and lower LOA = –45%). For C<sub>dyn(ECAiOV)</sub>, agreement was unacceptable for all tested R<sub>RS</sub> in both simulations, being the worst at R<sub>2</sub> in the 300 mL simulation (bias = –54.7% and lower LOA = –100.2%). Both levels of increased R<sub>RS</sub> caused poor trending ability for C<sub>dyn(ECAiOV)</sub>, whereas the same effect was only observed for C<sub>dyn(NM3)</sub> at R<sub>2</sub>.</p></div><div><h3>Conclusions and clinical relevance</h3><p>In the presence of increased R<sub>RS</sub>, C<sub>dyn</sub> estimated by the NM3 monitor presented better capability to distinguish between changes in R<sub>RS</sub> from changes in respiratory system compliance.</p></div>","PeriodicalId":23626,"journal":{"name":"Veterinary anaesthesia and analgesia","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1467298724000357/pdfft?md5=53c3ee0552a231fb055ff80e9f31d9cc&pid=1-s2.0-S1467298724000357-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140270923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ultrasound-guided and ‘blind’ sciatic nerve injection techniques: Comparison in rat cadavers 超声引导和 "盲 "坐骨神经注射技术:在大鼠尸体上进行比较。
IF 1.7 2区 农林科学
Veterinary anaesthesia and analgesia Pub Date : 2024-03-08 DOI: 10.1016/j.vaa.2024.03.001
Douglas Castro , Toshitsugu Ishihara , Erik H. Hofmeister , Stuart Clark-Price , Diego A. Portela
{"title":"Ultrasound-guided and ‘blind’ sciatic nerve injection techniques: Comparison in rat cadavers","authors":"Douglas Castro ,&nbsp;Toshitsugu Ishihara ,&nbsp;Erik H. Hofmeister ,&nbsp;Stuart Clark-Price ,&nbsp;Diego A. Portela","doi":"10.1016/j.vaa.2024.03.001","DOIUrl":"10.1016/j.vaa.2024.03.001","url":null,"abstract":"<div><h3>Objective</h3><p>To compare the success rate and extent of sciatic nerve staining with a bupivacaine–dye solution using two injection techniques: ‘blind’ or ultrasound-guided approach.</p></div><div><h3>Study design</h3><p>Prospective, experimental, randomized, cadaveric study.</p></div><div><h3>Animals</h3><p>Adult female Wistar rat cadavers [<em>n</em> = 24, mass 352 g (323–374)].</p></div><div><h3>Methods</h3><p>Each sciatic nerve was randomly allocated to one of two groups: ‘blind’ (group B) or ultrasound-guided approach (group US) to injection. Following injection of bupivacaine–dye solution (0.1 mL), gross anatomical dissection was performed to visualize nerve staining, categorizing it as either positive or negative. The length of nerve staining was then measured and visual inspection conducted to identify potential nerve damage. Fisher's exact test was used to compare positive or negative nerve staining, and the Wilcoxon signed rank test used to compare the length of nerve staining between groups.</p></div><div><h3>Results</h3><p>In group B, the bupivacaine–dye solution stained 16/24 sciatic nerves (67% success). In group US, staining was successfully observed in all 24 nerves (100% success, <em>p</em> &lt; 0.004). The length of nerve staining [median (interquartile range)] was 2 (2–3) mm in group B and 5 (4–6) mm in group US (<em>p</em> &lt; 0.001). One sciatic nerve in group B had injectate distributed over 16 mm, suggestive of an intraneural injection. No signs of laceration or nerve damage were visible under 6× magnification in either group.</p></div><div><h3>Conclusions and clinical relevance</h3><p>The ultrasound-guided approach for sciatic nerve injection demonstrated a higher success rate with superior injectate distribution when compared with the ‘blind’ approach. Ultrasound guidance is recommended over a ‘blind’ approach for sciatic nerve block in rats when possible.</p></div>","PeriodicalId":23626,"journal":{"name":"Veterinary anaesthesia and analgesia","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140319391","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Haemodynamic variables and arterial blood gas values in conscious pregnant sheep: A pilot study 清醒孕羊的血液动力学变量和动脉血气值:试验研究。
IF 1.7 2区 农林科学
Veterinary anaesthesia and analgesia Pub Date : 2024-03-08 DOI: 10.1016/j.vaa.2024.03.002
Tom Bleeser , Simen Vergote , David Basurto , Ignacio Valenzuela , Luc Joyeux , Marc Van de Velde , Sarah Devroe , Jan Deprest , Steffen Rex
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引用次数: 0
Erratum to “Pharmacokinetics of hydromorphone hydrochloride after intravenous and subcutaneous administration in ferrets (Mustela putorius furo)” [Vet Anaesth Analg 51 (2024) 152–159] 对 "雪貂(Mustela putorius furo)静脉注射和皮下注射盐酸氢吗啡酮的药代动力学 "的勘误 [Vet Anaesth Analg 51 (2024) 152-159]
IF 1.7 2区 农林科学
Veterinary anaesthesia and analgesia Pub Date : 2024-03-05 DOI: 10.1016/j.vaa.2024.02.006
Bruna Hech , Heather Knych , Isabelle Desprez , Daniel Weiner , Barbara Ambros
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引用次数: 0
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