Key result
Midazolam provides superior hemodynamic stability over alternative induction agents during CABG in hypertensive patients.
Why the study?
Does midazolam compared to thiopental, etomidate, or propofol improve hemodynamic stability during anesthesia induction and intubation in hypertensive patients undergoing CABG?
RCT (n=80)
Single-blind
Randomized
No
Does midazolam compared to thiopental, etomidate, or propofol improve hemodynamic stability during anesthesia induction and intubation in hypertensive patients undergoing CABG?
p-value: p=<0.0125
Midazolam appears to provide the most stable hemodynamic profile for anesthesia induction in hypertensive patients undergoing CABG surgery compared to thiopental, etomidate, and propofol.
Supports preferring midazolam for induction in hypertensive CABG patients; confirms hemodynamic stability advantages versus thiopental, etomidate, and propofol.
Objective: The purpose of this study is to compare the hemodynamic effects of thiopental, propofol, etomidate, midazolam on induction of anesthesia, laryngoscopy, and endotracheal intubation of hypertensive patients who will undergo coronary artery bypass grafting (CABG) surgery. Material and Methods:A total of 80 patients with chronic hypertension, aged between 40 and 75 who are to undergo CABG surgery were included in a prospective, single-blind, and randomized study.Group T received thiopental sodium (5-7 mg kg -1 ), Group E etomidate (0.2 -0.5 mg kg -1 ), Group P propofol (1 -2.5 mg kg -1 ), and Group M midazolam (0.1 -0.4 mg kg -1 ) anesthetic agents.The induction was achieved by using fentanyl and rocuronium in all groups.Heart rate (HR), systolic arterial pressure (SAP),diastolic arterial pressure (DAP), mean arterial pressure (MAP) were recorded for the first 15 minutes.Also arterial blood gases (ABG) were sampled, and partial arterial carbon dioxide (aCO 2 ) values were recorded.Results: SAP values decreased prior to laryngoscopy in Group T, E, and P.Only in Group E, increase in SAP during laryngoscopy and tracheal intubation was statistically significant.The decrease in MAP was significant in only Group T. At 15 minutes of intubation increases in MAP and HR in Group P was also statistically significant.Conclusion: We think that the safest induction of anesthesia during laryngoscopy, and endotracheal intubation in hypertensive patients who will undergo CABG surgery will be acvhieved with midazolam (Group M) Key words: anesthesia, bypass, hypertensive, intubation ÖZET Koroner Arter Baypas Greft Cerrahisinde Hipertansif Hastaların Anestezi İndüksiyonu ve Entübasyonunda Tiyopental, Propofol, Etomidat, Midazolam'ın Hemodinamiye Etkileri Amaç: Bu çalışmada, koroner arter baypas greft (KABG) cerrahisi geçirecek hipertansif hastalara tiyopental, propofol, etomidat, midazolam anestezi indüksiyonu, laringoskopi ve endotrakeal entübasyonun hemodinamiye etkilerini karşılaştırmayı amaçladık.Gereç ve Yöntem: Elektif koroner arter baypas cerrahisi geçirecek kronik hipertansif, ASA II-III, her iki cinsten yaşları 40-75 arasında, prospektif, tek-kör, randomize olarak toplam 80 hasta çalışmaya dahil edildi.Grup T tiyopental sodyum, Grup E etomidat, Grup P propofol, Grup M midazolam anestezik ajanları verildi.Tüm gruplara fentanil ve rokuronyum kullanılarak indüksiyon tamamlandı.Hastaların kalp hızı (KH), sistolik arter basıncı (SAB), diyastolik arter basıncı (DAB), ortalama arter basıncı (OAB) ilk 15 dk.kaydedildi.Ayrıca arteriyel kan gazı alınıp parsiyel arteriyel karbondioksit basıncı (PaCO 2 ) değerleri kaydedildi.Bulgular: SAB'da Grup T, E ve P'de laringoskopi öncesinde SAB'da azalma saptandı.Sadece Grup E'de laringoskopi ile entübasyon sırasındaki SAB artışı istatistiksel olarak anlamlıydı.OAB'da ise yalnızca Grup T'de laringoskopi döneminde azalma
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Baş et al. (2013) conducted an RCT in Chronic hypertension requiring coronary artery bypass grafting (CABG) surgery (n=80). Midazolam vs. Thiopental, Propofol, and Etomidate was evaluated on Hemodynamic stability (systolic arterial pressure, mean arterial pressure, heart rate) during induction, laryngoscopy, and intubation (p=<0.0125). Midazolam provided the most stable hemodynamic response during anesthesia induction and endotracheal intubation in hypertensive patients undergoing CABG surgery, with the least side effects and no ECG changes.
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