Preservation of Spontaneous Breathing in Patients Undergoing Thoracoscopic Surgery

Comparison of Thoracic Paravertebral Nerve Block Combined Laryngeal Mask Airway With Preservation of Spontaneous Breathing Versus General Anesthesia Using Double-lumen Endobronchial Intubation in Patients Undergoing Thoracoscopic Surgery:

the aim of this study is to evaluate the advantages of the non-intubation compared with intubation anesthesia on enhanced recovery after thoracoscopic surgery

All patients will be screened to determine eligibility for study entry, and the patients who meet the eligibility requirements will be informed about the study and potential risks. After giving written informed consent, The patients were randomly divided into non-intubation group and intubation group

Inclusion Criteria:

• age 18-69 years old
• Body mass index (BMI) was 18-24 kg / m2
• American Society of Anesthesiologists' physical classification class I-II
• The preoperative pulmonary function was normal

Exclusion Criteria:

• Severe cardiopulmonary disease
• Severe nervous system diseases
• Severe blood system diseases
• Severe liver and kidney dysfunction
• Conversion to thoracotomy