Abstract SNACC-25

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RELEVANCE OF ENDOTRACHEAL TUBE CUFF PRESSURE (ETTc) MONITORING DURING CERVICAL SPINE SURGERIES- MANUAL V/S AUTOMATIC METHOD

Jain M, Tripathi C
INSTITUTE OF HUMAN BEHAVIOUR AND ALLIED SCIENCES, DELHI, Delhi, India

ABSTRACT
OBJECTIVE-
The aim of the study was to investigate the effect of continuous automatic cuff pressure regulation on tracheal sealing during cervical spine surgeries and correlation between assessments with maintenance of the endotracheal cuff pressure (ETTc) by the automatic pressure controller device and manual method was studied.
METHOD-
The study was a prospective observational study. All the patients were posted for cervical spine surgeries through either posterior or anterior approach. He patients were intubated with oral cuffed PVC or Flexomatellic endotracheal tube. The safe cuff pressure in study was taken as pressure less thn 25 cm of water (H2O).
In Manual (M) group, cuff was inflated by standard syringe technique and after that pressure of ETTc was recorded nd monitored as per schedule, while in group automatic cuff pressure monitor (C) , cuff was inflated with automatic cuff pressure controller. After 1 hr and 24 hrs. of tracheal extubation, patients were asked about laryngotracheal complaints.
RESULTS-
Repeated measure ANOVA results showed that average ETTc pressure of patients was significantly different (p value- 0.00) at different point of time in M group while in Group C it was constant. The incidence of post operative complications- sore throat; cough and hoarseness of voice was higher in Manual Method.
CONCLUSION-
We concluded that the ETTc pressure was significantly higher in manual inflation of cuff and it increases further due to placement of retractors (especially in anterior approach) and use of N2O. he known complications of high ETTc pressure can be avoided if the cuff pressure controller device is used.


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