Dergiler / Anestezi Dergisi / 2019 / Cilt: 27 - Sayı: 4

Can Perfusion Index or Pleth Variability Index Predict Spinal Anesthesia-Induced Hypotension During Caesarean Section?

Sezaryen Operasyonlarında Spinal Anesteziye Bağlı Hipotansiyon Perfüzyon İndeksi veya Pleth Variabilite İndeks ile Öngörülebilir mi?

Sayfa
251–257
DOI
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However, it may not be useful in routine clinical practice due to its low specificity and sensitivity.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:Objective: Although spinal anesthesia is the preferred anesthetic method for cesarean sections, it leads to hypotension in a significant proportion of the patients.
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Temel Bulgular & Veri:Spinal anesthesia was performed with 0.5% hyperbaric bupivacaine (10 mg) injected through L3-L4 or L4-L5 interspaces with the patient in the sitting position.
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Sonuç & Katkı:However, it may not be useful in routine clinical practice due to its low specificity and sensitivity.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Alan Parametreleri

Özet

Objective: Although spinal anesthesia is the preferred anesthetic method for cesarean sections, it leads to hypotension in a significant proportion of the patients. In this study, we assessed the predictive ability of perfusion index (PI) and Pleth variability index (PVI) in different positions, for prediction of hypotension after spinal anesthesia administered for cesarean delivery. Methods: Ninety parturients scheduled for elective lower segment cesarean section under spinal anesthesia were enrolled in the study. In the preoperative holding area, PI and PVI values were recorded in the supine, semi-recumbent, passive leg raise and left lateral positions. Then, partu- rients were taken to the operating room; their PI and PVI values were recorded again in the supine and sitting positions. Spinal anesthesia was performed with 0.5% hyperbaric bupivacaine (10 mg) injected through L3-L4 or L4-L5 interspaces with the patient in the sitting position. PI and PVI values were recorded one minute after induction of spinal anesthesia as postspinal measure- ments. The effects of independent variables on hypotension were examined with logistic regres- sion analysis. The relationship between PI and PVI values and incidence of hypotension was evaluated using ROC analysis. Results: The incidence of hypotension was 60 percent. Postspinal PVI was found to have a weak predictive value for postspinal hypotension (AUC=0.663, 95% CI 0.530-0.796, p=0.024). Conclusion: Among the parameters evaluated, only postspinal PVI was associated with spinal anesthesia-induced hypotension in cesarean section. However, it may not be useful in routine clinical practice due to its low specificity and sensitivity.

Abstract

Amaç: Sezaryen operasyonlarında tercih edilen anestezi yöntemi spinal anestezidir, ancak hasta- ların önemli bir kısmında hipotansiyona yol açar. Bu çalışmada, farklı pozisyonlardaki perfüzyon indeksi (Pİ) ve pleth variabilite indeksi (PVİ) değerlerinin sezaryen operasyonu için uygulanan spinal anestezi sonrası gelişen hipotansiyonu öngörme kabiliyetini değerlendirdik. Yöntem: Spinal anestezi ile alt segment sezaryen operasyonu olacak 90 gebe çalışmaya dahil edildi. Preoperatif hazırlık odasında supin, yarı oturur, pasif bacak kaldırma ve sol lateral dekübit pozisyonlarda iken, Pİ ve PVİ değerleri kaydedildi. Sonra hastalar ameliyat odasına alındı ve supin ve oturur pozisyonlarda Pİ ve PVİ değerleri yeniden kaydedildi. Oturur pozisyonda L3-L4 veya L4-L5 aralıklarından 10 mg %0.5 bupivakain ile spinal anestezi uygulandı. Spinal anesteziden bir dk sonraki Pİ ve PVİ değerleri postspinal değerleri olarak kaydedildi. Bağımsız değişkenlerin hipo- tansiyon üzerine etkileri logistik regresyon analizi ile değerlendirildi. Pİ ve PVİ değerleri ile hipo- tansiyon arasındaki ilişki ROC analizi ile değerlendirildi. Bulgular: Hipotansiyon insidansı %60 idi. Spinal sonrası hipotansiyon için post-spinal PVİ değeri- nin zayıf prediktif değeri olduğunu saptadık (AUC=0.663, 95% CI 0.530-0.796, p=0.024). Sonuç: Değerlendirilen parametreler arasında, sezaryen operasyonlarında spinal anesteziye bağlı gelişen hipotansiyonla yalnızca post-spinal PVİ arasında ilişki saptandı. Ancak, bu değerin düşük spesifisite ve sensitivitesi nedeniyle rutin klinik uygulamada yararlı olmayabilir.

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Bu Makaleye Atıf Yap

ARSLAN, M., ÖKSÜZ, G., BİLAL, B., YAVUZ, C., KANDİLCİK, M., DOĞANER, A., ÇALIŞIR, F. (2019). Can Perfusion Index or Pleth Variability Index Predict Spinal Anesthesia-Induced Hypotension During Caesarean Section?. Anestezi Dergisi, Cilt: 27 - Sayı: 4, 251–257. https://ajindex.com/articles/145101

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