Amaç: Laparoskopik sleeve gastrektomi uygulanan morbid obez hastalarda, operasyon sırasında uygulanan basınç kontrollü ventilasyon (BKV) ve hacim kontrollü ventilasyonun (HKV) kan gazı ve solunum mekaniği üzerindeki etkisini karşılaştırmak. Gereç ve Yöntemler: Beden kitle indeksi 35'ten fazla olan 100 hasta BKV (Grup A) ve HKV (Grup B) gruplarına ayrıldı. Kalp atım hızı, ortalama arter basıncı, SpO2, end-tidal CO2, tidal hacim, frekans, Ppeak, Pplateau ve kompliyans değerleri başlangıçta, CO2 insüflasyonu sonrası her 15 dk'da bir ve insüflasyonun sona ermesinden sonraki 15. dk'da kaydedildi. Arteriyel kan gazı örnekleri başlangıçta, insüflasyondan sonraki 15. ve 60. dk'larda ve insüflasyonun sona ermesinden sonraki 15. dk'da alındı. Bulgular: Ortalama Ppeak ve Pplateau seviyeleri, tüm ölçüm noktalarında Grup A'da Grup B'den anlamlı derecede düşüktü. BKV ayrıca insüflasyonun 15. dk'sında ve operasyon sonunda kompliyansı artırdı. PH, PaO2, PCO2, HCO3, BE, PAO2-PaO2 ortalama değerleri açısından gruplar arasında istatistiksel olarak anlamlı fark yoktu. Sonuç: Laparoskopik sleeve gastrektomide BKV modunda düşük Ppeak ve Pplateau seviyeleri ve artmış kompliyans değerleri gözlendi. BKV modunun perioperatif dönemde HKV'ye göre avantaj sağladığı saptandı.
Anahtar Kelimeler: Obezite; laparoskopi; gastrektomi; ventilasyon stratejisi
Objective: To compare the influence of pressure controlled ventilation (PCV) and the volume controlled ventilation (VCV) on blood gas and respiratory mechanics during the operation in morbidly obese patients who underwent laparoscopic sleeve gastrectomy. Material and Methods: One hundred patients who had a body mass index above 35 were divided into PCV (Group A) and VCV groups (Group B). Heart rate, mean arterial pressure, SpO2, end-tidal CO2, tidal volume, frequency, Ppeak, Pplateau, compliance values were recorded at baseline, in every 15 minutes after the CO2 insufflation and at 15th minute after the termination of the insufflation for each patient. Arterial blood gas samples were obtained at baseline, in the 15th and 60th minutes after the insufflation and at 15th minute after the termination of the insufflation. Results: The mean levels of Ppeak and Pplateau were significantly lower in Group A than Group B in all measurement points. The PCV also increased compliance at 15th min of insufflation and at the end of operation. There was no significant difference between the groups regarding the mean values of pH, PaO2, PCO2, HCO3, BE, PAO2-PaO2. Conclusion: In laparoscopic sleeve gastrectomy, the PCV mode decreased Ppeak and Pplateau levels and increased compliance. The PVC found to have an advantage to VCV during the perioperative period.
Keywords: Obesity; laparoscopy; gastrectomy; ventilation strategy
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