Rishiraj Borhazowal1, Minal Harde2, Rakesh Bhadade3, Sona Dave4, Swapnil Ganeshrao Aswar5. 1. Fellow in Paediatric Anaesthesia, Department of Anaesthesiology, Children's Anaesthesia Services, Mumbai, Maharashtra, India. 2. Associate Professor, Department of Anaesthesiology, Topiwala National Medical College and B.Y L. Nair Ch. Hospital, Mumbai, Maharashtra, India. 3. Associate Professor, Department of Medicine, Topiwala National Medical College and B.Y L. Nair Ch. Hospital, Mumbai, Maharashtra, India. 4. Professor, Department of Anaesthesiology, Topiwala National Medical College and B.Y L. Nair Ch. Hospital, Mumbai, Maharashtra, India. 5. Senior Resident, Department of Anaesthesiology, Care Hospital, Banjara Hills, Hyderabad, Andhra Pradesh, India.
Abstract
INTRODUCTION: The Endotracheal Tube (ETT) cuff performs a critical function of sealing the airway during positive pressure ventilation. There is a narrow range of cuff pressure required to maintain a functionally safe seal without exceeding capillary blood pressure. AIM: We aimed to compare Just-Seal (JS) and Stethoscope-Guided (SG) method of ETT cuff inflation with respect to the volume of air required to inflate the cuff, the manometric cuff pressure achieved and also to assess for the occurrence of postoperative sore throat after extubation in both the groups. MATERIALS AND METHODS: It was a prospective observational study done in a Tertiary Teaching Public Hospital over a period of 1½ years on 100 patients with 50 each in two groups; JS or SG method of cuff inflation. SPSS Version 17 was used for data analysis. RESULTS: Statistically significant difference (p-value of less than 0.05) was noted between the two methods based on the volume of air injected into the cuff {the mean volume injected in JS was 6.79 ml and in the SG was 4.95 ml with p=5.71E-16 (< 0.05)} and cuff pressure achieved {mean cuff pressure achieved was 38.80 cm H2O in the JS and 29.64 cm H2O in SG with p=2.29E-14 (< 0.05)}. The incidence of post extubation sore throat was 54% (27 in 50) in the JS group and only 12% (6 in 50) in the SG; p= 0.00000797. CONCLUSION: ETT cuff inflation guided by a stethoscope is an effective technique for ensuring appropriate cuff pressures thus accomplishing the objective of providing safe and superior quality care of the patient both during and after anaesthesia and reducing the likelihood of even minimal risk complications that may still have legal implications.
INTRODUCTION: The Endotracheal Tube (ETT) cuff performs a critical function of sealing the airway during positive pressure ventilation. There is a narrow range of cuff pressure required to maintain a functionally safe seal without exceeding capillary blood pressure. AIM: We aimed to compare Just-Seal (JS) and Stethoscope-Guided (SG) method of ETT cuff inflation with respect to the volume of air required to inflate the cuff, the manometric cuff pressure achieved and also to assess for the occurrence of postoperative sore throat after extubation in both the groups. MATERIALS AND METHODS: It was a prospective observational study done in a Tertiary Teaching Public Hospital over a period of 1½ years on 100 patients with 50 each in two groups; JS or SG method of cuff inflation. SPSS Version 17 was used for data analysis. RESULTS: Statistically significant difference (p-value of less than 0.05) was noted between the two methods based on the volume of air injected into the cuff {the mean volume injected in JS was 6.79 ml and in the SG was 4.95 ml with p=5.71E-16 (< 0.05)} and cuff pressure achieved {mean cuff pressure achieved was 38.80 cm H2O in the JS and 29.64 cm H2O in SG with p=2.29E-14 (< 0.05)}. The incidence of post extubation sore throat was 54% (27 in 50) in the JS group and only 12% (6 in 50) in the SG; p= 0.00000797. CONCLUSION: ETT cuff inflation guided by a stethoscope is an effective technique for ensuring appropriate cuff pressures thus accomplishing the objective of providing safe and superior quality care of the patient both during and after anaesthesia and reducing the likelihood of even minimal risk complications that may still have legal implications.
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