COMPLICATIONS OF GENERAL ANESTHESIA PROF. N K AGRAWAL JNMC,SAWNGI WARDHA INDIA
INDUCTION MUCSLE RELAXATION INTUBATION VENTILATION REVERSAL STEPS OF ANESTHESIA
The complication may be divided Intra operative Post operative
Due to - laryngoscopy - endotracheal tube Aspiration - secretions - blood Due to anesthetic drugs- hypoxia - hypotension/hypertension - hypercarbia/hypocarbia - hypothermia/hyperthermia INTRA OPERATIVE
Hypoglycemia/hyperglycemia Less or over fluid infusion Anemia Hyper thyrodism/ hypothyroidism IHD, MI Air embolism , fat embolism
TRAUMA TO LIPS TRAUMA TO TEETH TRAUMA TO TONGUE TRAUMA TO TONSILAR PILLAR TRAUMA TO EPIGLOTIES, VOCAL CORDS DUE TO LARYNGOSCOPY
Injury to vocal cords Injury to trachea Blockage of tube – secretions - blood clot - foreign body Branchospasm Due to endo tracheal tube
Low oxygen pressure Spo2- < 92 % Pao2-< 60 mm of hg Hypoxia
Normal ETCO2- 30 -42 mm hg > 50 mm Hg Hyper carbia
Systolic BP < 80 mm Hg 10 % fall in blood pressure from base line Hypotension
Fasting – 80-120 mg/dl Post meal- 120-180 mg/dl Normal blood sugar
Blood sugar < 60 mg/dl Hypoglycemia
Blood sugar > 200 mg/dl Hyperglycemia
Normal 98.4 f < 96 f Hypothermia
Maintenance- 2ml/kg/hr Intra operative- 4ml/kg/hr – 8ml/kg/hr Urine out put < 1ml/kg/hr Fluid infusion
Signs of retention of fluid edema over eyes Pulmonary edema
Anemia IHD MI
Inadequate reversal Laryngospasm Bronchospasm Meiosis Bradycardia Urine retention POST OPERATIVE