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Anesth Essays Res. 2019 Apr-Jun;13(2):209-213. doi: 10.4103/aer.AER_68_19.

Effect of Local Anesthesia and General Anesthesia Using I-gel Laryngeal Mask Airway in Diabetic Patients Undergoing Cataract Surgery: Comparative Study.

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1
Department of Anesthesia and Surgical Intensive Care, Faculty of Medicine, Mansoura University, Mansoura, Egypt.

Abstract

Background:

Cataract surgery is one of the most commonly performed ophthalmic procedures. On choosing the appropriate method of anesthesia for diabetic patients with cataract whether regional or general, one should consider a technique that is associated with less stress response, minimal effect on hemodynamic and essentially associated with a good intraoperative glycemic control. This is yet to be determined.

Aims:

The aim of this study is to evaluate the use of I-gel as an alternative to local anesthesia (LA) in diabetic patients undergoing cataract surgery.

Patients and Methods:

This study was conducted on 60 controlled insulin-dependent diabetic patients undergoing cataract surgery. They were randomized to receive either LA by sub-Tenon's block (LA group n = 30) or general anesthesia (GA) using I-gel (GA group n = 30). Mean arterial blood pressure (MBP) and heart rate were monitored. Furthermore, blood glucose level and plasma cortisol level were measured at basal level, after induction of anesthesia or local block, after nuclear extraction, at the end of surgery, and 30, 60, 120, and 240 min postoperative.

Results:

There was no significant difference in either blood glucose or cortisol levels in both groups. Blood glucose level increased with induction of anesthesia in both groups. The use of I-gel was not associated with increase heart rate or MBP compared to the LA group.

Conclusion:

Both local and GA using I-gel are relatively safe without marked changes in hemodynamics, blood glucose, or cortisol level in insulin-dependent diabetic patients.

KEYWORDS:

Cataract surgery; I-gel; diabetic patients; sub-Tenon block

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