Evaluation of the Efficacy and Safety of Administering Lidocaine Spray in Oesophago-gastro-duodenoscopy

Evaluation of the Efficacy and Safety of Administering Lidocaine Spray in Oesophago-gastro-duodenoscopy

This study evaluates the efficacy and safety of the administration of lidocaine spray in oesophago-gastro-duodenoscopies. Half of the patients will receive lidocaine spray, while the other half will receive a placebo.

Inclusion criteria:

• Patients aged over 18
• ASA I, II and III
• Non allergic to lidocaine or any of the drugs used in the study
• Consent form signed by the patient

Exclusion Criteria:

• Stomach or esophagus diagnosed cancer
• Giant hiatal hernia diagnosed
• Zenker's diverticulum diagnosed
• Achalasia diagnosed
• Patients aged over 70
• Medical history of moderate to severe liver disease
• Medical history of moderate to severe renal insufficiency
• Medical history of moderate to severe Obstructive Sleep Apnea Syndrome (OSA) (AHI≥15).
• Severe respiratory insufficiency(asmtha or COPD) diagnosed
• Patients with encephalopaty active
• Patients with medical history of methemoglobinemia
• Patients with history of drug abuse
• Patients with mental impairment
• Patients with BMI≥ 35
• Use of pediatric tube