Incidence and correlating factors of postoperative Nausea and Vomiting during the modern days of balanced anaesthesia - a prospective observational study.

The patients who qualify as perthe selection criteria will be given a clear explanation regarding theanaesthesia procedure in their vernacular language. A written consent will beobtained in each case. The patients who have undergonesurgery in general anaesthesia will be reviewed after 24 hours of surgery. Datawill be collected by interviewing the patient, attending staff nurse and also onexamining the case  record

 The following data will be collected

1.Body mass index

2.H/Oof smoking

3.H/Omotion sickness

4.H/OPONV

5.Typeof surgery

6.Durationof surgery

7.Intraoperative Anaesthetic drugs used

8.Pulse rate, BP and oxygensaturation (SpO2) prior to the induction

9.Mean Intraoperative pulserate, BP, and SpO2  throughout the surgery

10.Postoperative opioids

11.Postoperative pain  using VAS SCORE

 For the purpose of thestudy, an episode of PONV denotes a distinct spell of nausea, retching (aninvoluntary attempt to vomit but not actually productive of stomach contents),or vomiting (actual expulsion of stomach contents). Patients with complain ofnausea, vomiting, or retching were administered injection prochlorperazine 12.5mg as rescue antiemetic.