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General Anesthesia with One Lung Ventilation

Group A pre-medicated once using Midazolam 3-4mg intravenous (IV) and Fentanyl 50mcg, placed in the setting position. Using a winged 18G (Gadge), 9cm length Tuohy Epidural needle, a 20G springwound closed tip epidural catheter be inserted between T3-T4. A test dose (5ml) 2% Lidocaine given, followed by 5-8 ml Bupivacaine 0.5% and 50mcg Fentanyl as a loading dose. Further top-up dose of 5 ml Bupivicaine 0.5% after 45 minutes.

Thoracic Epidural Anesthesia

Group B premedicated once by 3-4mg Midazolam IV, Ranitidine 50mg, Metoclopramide 10mg and Dexamethasone 4mg. Preoxygenation with 100% O2. Induction of anesthesia with Propofol (2mg/kg) and Fentanyl (1mcg/kg). Tracheal intubation by 37-39 Fr Double Lumen Endotracheal Tube insertion facilitated with Cisatracurium 0.1mg/kg. and confirmation of its position by Fiberoptic Bronchoscopy. Selective Lung Ventilation strategy can be performed through the endobroncheal tube of the non operated lung once needed. Anesthesia maintained with Isoflurane (1-2%) and Cisatracurium (0.05mg/kg per dose). Later, anesthesia discontinued and extubation after full neuromuscular recovery after reversal of muscle relaxant by Neostigmine (0.05mg/kg) and Atropine (0.02mg/kg).

Samia A M Abdel Latif, Professor

Waleed El Taher, Professor

Hany H El Sayed, Professor

Ahmed F Koraitim, MD

Mohamed A A alhadidy, MD

Video-assisted thoracic surgery (VATS) is usually performed with general anesthesia and single lung ventilation. However, performing thoracic surgery under awake regional anesthesia has several potential advantages including avoidance of airway trauma and ventilator dependence associated with endotracheal intubation, besides promoting enhanced recovery after surgery and shorter mean hospital stay.

The aim of this study is to investigate the feasibility and the effect of Thoracic Epidural Anaesthesia for awake thoracic surgery to speed up recovery in patients as well as avoiding the complications accompanying General Anesthesia with one lung ventilation.

Type of Study: Prospective randomized clinical study. Study Setting: This study will be conducted in Ain Shams University Hospitals..

Study Period: Expected for two years starting from 2019.

Sampling Method: Randomized sampling by a computer generated random numbers table.

Sample Size: 40 patients. Sample size was calculated using PASS 11 program for sample size calculation and according to the (Pompeo et al., 2004) study, the mean PaO2 perioperatively in the awake group = -3±1.5 mmHg and in the second group = -6.5±1.83 mmHg. Sample size of 40 cases per group (total 40) can detect this difference with power 100% and α-error 0.05.

the study will include 40 participants, randomized into 2 equal groups, Group A: Awake participants will receive sole Thoracic Epidural Anesthesia. Group B: Participants receiving General Anesthesia with One Lung Ventilation.

A Comparative Study Between Regional Anesthesia in Thoracoscopes and the Conventional General Anesthesia

A Comparative Study Between Thoracic Epidural Anesthesia in Non-Intubated Video-Assisted Thoracoscopes and the Conventional General Anesthesia With One Lung Ventilation

all IPD that underlie results in a publication

Ratio of arterial oxygen tension to fraction of inspired oxygen (PaO2/FiO2), arterial carbon dioxide tension (PaCO2). Hypoxemia is defined as peripheral oxygen saturation (SpO2) \&lt; 92% on room air with a need for oxygen supplementation.

The Visual Analogue Scale (VAS) consists of a 10 cm straight line with the endpoints defining extreme limits of "no pain at all" (0 cm) and "pain as bad as it could be" (10 cm). The patient is asked to mark his pain level on the line between the two endpoints. The distance between 0 and the mark then defines the subject pain score.

heart rate (HR) in beats per minute (bpm)

Rate of occurence of falling after ambulance will be recorded in each group.

Mohamed Reda Ashour

Assistant lecturer, Dept of Anesthesia, Intensive Care and Pain Management

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