Journals / Şişli Etfal Hastanesi Tıp Bülteni / 2015 / Cilt: 49 - Sayı: 1

Hemodynamic effects of unilateral spinal anesthesia in elderly patients undergoing total hip replacement

Total kalça protezi yapılan yaşlı hastalarda tek taraflı spinal anestezinin hemodinamik etkileri

Pages
46–52
DOI
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

Concluions: Results showed a significant decrease in stroke volume and cardiac output.

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: Anesthetic management of elderly patients undergoing major orthopaedic operations is still a common problem.
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Key Findings & Data:Material And Methods: After local ethics committee approval and written informed consent, unilateral spinal anesthesia with hyperbaric bupivacaine 0.5% was applied to 20 patients, over the age of 65, undergoing total hip replacement.
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Conclusion & Impact:Concluions: Results showed a significant decrease in stroke volume and cardiac output.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Objective: Anesthetic management of elderly patients undergoing major orthopaedic operations is still a common problem. The aim of this study is to evaluate hemodynamic effects of unilateral spinal anesthesia in elderly patients undergoing total hip replacement. Material And Methods: After local ethics committee approval and written informed consent, unilateral spinal anesthesia with hyperbaric bupivacaine 0.5% was applied to 20 patients, over the age of 65, undergoing total hip replacement. Hemodynamic measurements were recorded by arterial line with Vigileo-FloTrac™ system; baseline values, during the operation and after operation for 2 hours. Stroke volume, cardiac output, blood pressure and heart rate values were measured during perioperative and postoperative periods and compared by the baseline values. Results: 60% of patients (12 people) were female, 40% (8 people) were male. Mean age was 77.6 ±1.75 years, mean hemoglobin value was 11.5± 0.25 g/dl, mean ejection fraction was 60 ±1.76%. Cardiac output values decreased at 60 th minute compared to baseline (p<0.05). Stroke volume at 30-50-60 th minutes and 1-2nd hours postoperatively showed a decrease compared to the initial value (p<0.05). Mean arterial pressure decreased at 10 th minute (p<0.05). Heart rate increased at 120 th minute (p<0.05). Concluions: Results showed a significant decrease in stroke volume and cardiac output. Unilateral spinal anesthesia leads to clinically significant hemodynamic changes in elderly patients. Cardiovascular monitoring is extremely useful in predicting hemodynamic effects of unilateral spinal anesthesia in elderly patients ungergoing total hip replacement.

Özet

Amaç: Yaşlı hastalarda major ortopedik cerrahiler için verilecek anestezi yöntemi hala yaygın bir problemdir. Bu çalışmanın amacı, total kalça protezi yapılacak yaşlı hastalar için tek taraflı spinal anestezinin hemodinamik etkilerini değerlendirmektir. Gereç ve Yöntem: Total kalça protezi yapılacak 65 yaş üzeri 20 hastada, yerel etik kurul ve yazılı hasta onamları alındıktan sonra, %0.5 hiperbarik bupivakain ile tek taraflı spinal anestezi uygulandı. Hemodinamik ölçümler, Vigileo-FloTrac™ sistem ile arter hattı üzerinden; giriş değerleri, operasyon süresince ve operasyon sonrasındaki 2 saat boyunca kaydedildi. Stroke volüm, kardiyak output, kan basıncı, kalp hızı değerleri, perioperatif ve postoperatif dönemde ölçülerek giriş değerlerine göre karşılaştırılarak değerlendirildi. Bulgular: Hastaların %60 (12 kişi) kadın, %40 (8 kişi) erkekti. Ortalama yaş 77.6 ±1.75, ortalama hemoglobin değeri 11.5 ±0.25, ortalama ejeksiyon fraksiyonları %60 ± 1.76 idi. Kardiak output değerleri 60. dakikada başlangıç değerine göre anlamlı (p<0.05) düşüş göster- di. Stroke volume değerleri 30, 50, 60. dakikada, postoperatif 1.-2.saatte başlangıç değerine göre anlamlı (p<0.05) düşüş gösterdi. Ortalama arter basıncı, 10. dakikada değerleri başlangıç değerine göre anlamlı (p<0.05) düşüş gösterdi. Nabız değerleri, 120. dakikada başlangıç değerine göre anlamlı (p<0.05) artış göstermiştir. Sonuç: Sonuçlar, kardiyak output ve stroke volümde anlamlı bir düşüklük olduğunu göstermekte- dir. Tek taraflı spinal anestezi, yaşlı hastalarda, klinik olarak anlamlı hemodinamik değişikliklere yol açmaktadır. Total kalça protezi yapılan yaşlı hastalarda tek taraflı spinal anestezinin hemodinamik etkilerinin değerlendirilmesinde kardiyovasküler izlem son derece yararlıdır.

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Cite This Article

AÇIK, M. E., IŞIL, C. T., TÜRK, H. Ş., DOBRUCALI, U. H., SAYIN, P., KILINÇ, L., TARHAN, T. G., OBA, S. (2015). Hemodynamic effects of unilateral spinal anesthesia in elderly patients undergoing total hip replacement. Şişli Etfal Hastanesi Tıp Bülteni, Cilt: 49 - Sayı: 1, 46–52. https://ajindex.com/articles/363780

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