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1.
J Anaesthesiol Clin Pharmacol ; 32(3): 379-81, 2016.
Artigo em Inglês | MEDLINE | ID: mdl-27625490

RESUMO

BACKGROUND AND AIMS: Peroral endoscopic myotomy (POEM) is a safe and minimally invasive modality regarded as the first-line management of all types of achalasia. POEM is performed under general anesthesia with endotracheal intubation using an orally inserted flexible fiberscope. The aim of this study is to describe the anesthetic management of POEM for achalasia. MATERIAL AND METHODS: A chart review of 21 patients who underwent POEM for achalasia at our center from March 2013 to June 2015 was performed. RESULTS: In the 21 patients, the end-tidal carbon dioxide was elevated following esophageal carbon dioxide insufflation and required adjustments in ventilation. POEM was successfully completed, and the patients were extubated immediately afterward. Subcutaneous emphysema occurred in five patients. Complications such as mediastinitis, pleural effusion, pneumoperitoneum, and pneumomediastinum were managed conservatively. Esophageal perforation occurred in one patient and needed surgical intervention. CONCLUSION: For patients with achalasia, POEM offers the efficacy of surgery with the lower cost and morbidity of an endoscopic procedure. Prevention of aspiration and carbon dioxide insufflation-related complications are the two aspects that demand vigilance from the anesthesiologist.

2.
Indian J Anaesth ; 62(4): 298-302, 2018 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-29720756

RESUMO

BACKGROUND AND AIMS: Not many studies have explored the correlation between arterial carbon dioxide tension (PaCO2) and end-tidal carbon dioxide tension (ETCO2) in surgeries requiring pneumoperitoneum of more than 1 hour duration with the patient in non-supine position. The aim of our study was to evaluate the correlation of ETCO2 with PaCO2 in patients undergoing laparoscopic nephrectomy under general anaesthesia. METHODS: A descriptive study was performed in thirty patients undergoing laparoscopic nephrectomy from September 2014 to August 2015. The haemodynamic parameters, minute ventilation, PaCO2 and ETCO2 measured at three predetermined points during the procedure were analysed. Correlation was checked using Pearson's Correlation Coefficient Test. P <0.05 was considered statistically significant. RESULTS: Statistical analysis of the values showed a positive correlation between ETCO2 and PaCO2 (P < 0.05). Following carbon dioxide insufflation, both ETCO2 and PaCO2 increased by 5.4 and 6.63 mmHg, respectively, at the end of the 1st hour. The PaCO2-ETCO2 gradient was found to increase during the 1st hour following insufflation (4.07 ± 2.05 mmHg); it returned to the pre-insufflation values in another hour (2.93 ± 1.43 mmHg). CONCLUSION: Continuous ETCO2 monitoring is a reliable indicator of the trend in arterial CO2 fluctuations in the American Society of Anesthesiologists Grades 1 and 2 patients undergoing laparoscopic nephrectomy under general anaesthesia.

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