Journals / Türk Anestezi ve Reanimasyon Dergisi / 2010 / Cilt: 38 - Sayı: 4

Retrospective evaluation of Axillary brachial plexus block by multiple nerve stimulation technique

Çoklu sinir uyarı yöntemi ile uygulanan aksiller brakiyal pleksus bloğunun geriye dönük değerlendirilmesi

Pages
254–261
Publication Date
2022-11-05
DOI
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

Conclusion: Brachial plexus blockade by multiple stimulation technique via axillary approach was found to be safe and useful as it provided a highly successful and efficient anaesthesia with better patient satisfaction and negligible complications.

📌 3 Key Takeaways

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Objective & Hypothesis:Aim: Axillary block with multiple nerve stimulation (MNST) is a technique which provide both rapid motor block and a higher rate of success.
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Key Findings & Data:Material and Method: ASA-I/II 227 patients undergoing hand/forearm surgery under brachial plexus blockade by MNST were evaluated retrospectively.
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Conclusion & Impact:Conclusion: Brachial plexus blockade by multiple stimulation technique via axillary approach was found to be safe and useful as it provided a highly successful and efficient anaesthesia with better patient satisfaction and negligible complications.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Aim: Axillary block with multiple nerve stimulation (MNST) is a technique which provide both rapid motor block and a higher rate of success. In this study, we retrospectively evaluated block efficiency and complications during routine use of this technique. Material and Method: ASA-I/II 227 patients undergoing hand/forearm surgery under brachial plexus blockade by MNST were evaluated retrospectively. Axillary block was performed with a 50 mm stimuplex needle and a nerve stimulator in all patients. The stimulator was set to deliver pulses at 1 mA, 2 Hz frequency and 0.1 ms- duration. N. musculocutaneous, ulnaris, radialis, medianus were separately located at the point of motor response with a stimulating current of 0.3-0.5 mA and local anaesthetic (LA) mixture was injected separately to each nerve (LA solution: equal volumes of 0.5 % bupivacaine+2 % prilocaine, NMT: 40 mL). Demographic data, parameters about the blockade and complications related to the block were recorded. Neurological complications during nerve blockade were evaluated 24 hours after the blockade by phone interviews with the patients. Patient satisfaction and the performer anaesthesiologist’s opinion about the block were evaluated separately. Results: Block performance time (9.9±3.4 min), onset times of motor (9.2±3.8 min), and sensory blockades (11.1±5.0 min), reversal times of motor (601.3±140.4 min) and sensory blockades (619.1±117.0 min) were recorded. Ninety four percent of the patients expressed their wish to undergo the same operation under the same anaesthetic technique in the future. Findings correlated with methemoglobinemia was detected in two patients and neurological complications developed in two patients. Conclusion: Brachial plexus blockade by multiple stimulation technique via axillary approach was found to be safe and useful as it provided a highly successful and efficient anaesthesia with better patient satisfaction and negligible complications.

Özet

Amaç: Çoklu sinir uyarı yöntemi ile aksiller blok uygulaması; hem blok başarısını artırmakta hem de blok oluşumunu hızlandırmaktadır. Bu çalışmada, bu yöntemin rutin uygulandığı durumlardaki etkinliği ve komplikasyonları geriye dönük olarak değerlendirilmiştir. Gereç ve Yöntem: Çoklu sinir uyarı yöntemiyle oluşturulan, brakiyal pleksus bloğu ile el ve önkol cerrahisi geçiren, ASA I-II 227 hastanın kayıtları geriye dönük olarak incelendi. Tüm hastalara 22 Gauge 50 mm yalıtılmış ve ucu akımı ileten iğne ile sinir stimülatörü kullanılarak, stimülatör 1mA akımda, 2Hz frekans ve 0,1ms hızda ayarlanarak mediyan ve muskulokutanöz, radiyal ve ulnar motor sinir yanıtları alındığında sinir stimülatörünün uyarısı 0,3-0,5 mA akıma düşürülerek lokal anestezik verilmişti (% 0,5 bupivakain 20 mL + % 2 prilokain 20 mL olarak maksimum 40 mL). Bireysel veriler, blokla ilgili parametreler ve komplikasyonlar kaydedilmişti. Blok sırasında olabilecek nörolojik komplikasyonlar bloktan 24 saat sonra hastalarla telefonla görüşülerek değerlendirilip kaydedilmiş olan veriler ile hastaların memnuniyetiyle bloğu uygulayan anestezistin blokla ilgili kaydedilmiş görüşleri ayrı ayrı değerlendirildi. Bulgular: Blok uygulama zamanı 9,9±3,4 dk., motor blok oluşum zamanı 9,2±3,8 dk., duyusal blok oluşum zamanı 11,1±5,0 dk., motor blok çözülme zamanı 601,3±140,4 dk. ve duyusal blok çözülme zamanı 619,1±117,0 dk. olduğu, hastaların % 94’ünün gelecekte aynı anestezi uygulama yöntemiyle benzer ameliyat olmayı isteyebileceğini belirttiği saptandı. İki hastada methemoglobinemi ile uyumlu bulgular ve 2 hastada da nörolojik komplikasyon geliştiği görüldü. Sonuç: Çoklu sinir uyarı yöntemiyle aksiller yaklaşımla uygulanan brakiyal pleksus bloğu, yüksek derecede başarılı anestezi ve hasta memnuniyetini, çok az komplikasyonla sağlaması açısından güvenli uygulamalardır.

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Cite This Article

BAYRAKTAROĞLU, E., DENİZ, M. N., AYANOĞLU, H. Ö., SERTÖZ, N. (2022). Retrospective evaluation of Axillary brachial plexus block by multiple nerve stimulation technique. Türk Anestezi ve Reanimasyon Dergisi, Cilt: 38 - Sayı: 4, 254–261. https://ajindex.com/articles/619865

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