Publications by authors named "Orarat Karnjanawanichkul"

Background: Esophageal squamous cell cancer (ESCC) is mostly diagnosed in its later stages, when patients present with dysphagia and weight loss. Esophageal dilation with percutaneous endoscopic gastrostomy (PEG) is a common surgical procedure in patients with locally advanced ESCC because of tumor obstruction and enteral nutrition support during neoadjuvant or definitive concurrent chemoradiotherapy (CCRT). Esophageal dilation with PEG is widely performed under general anesthesia (GA) with endotracheal intubation.

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Purpose: To assess improvements in the validity and reliability of novices' skills in performing ultrasonography for airway assessment.

Patients And Methods: A learning cohort study was conducted with 20 anesthesiology residents and 10 volunteers in the Department of Anesthesiology, Faculty of Medicine, Prince of Songkla University. The four parameters of airway assessment were soft tissue thickness at the level of 1) hyoid bone (STT-HY), 2) true vocal cords (STT-VC), 3) thyroid isthmus (STT-TI), and 4) suprasternal notch (STT-SN).

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We aimed to determine the correlation between mid-glottic transverse diameter/subglottic diameter and outer diameter of endotracheal tube (ETT) by ultrasonography in children. Ninety-five patients aged 1-8 years who underwent general anesthesia were included. Ultrasonography of glottic/subglottic transverse diameter was performed by two investigators after patients were anesthetized and when the train of four showed ≤ 4.

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Background: Immediate postoperative pain in the postanesthesia care unit (PACU) is common. Titration of opioid is the most popular strategy for controlling early postoperative pain. ABO blood group has been found to be associated with pain perception.

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Objective: We aimed to determine the risk factors of perioperative drug hypersensitivity reaction (DHR) and develop a predictive score for use in clinical practice.

Methods: A case-control study was conducted in patients who underwent anesthesia at a tertiary hospital in Thailand, between 2015-2018. DHR cases were graded clinically from 1 to 4 according to the World Federation of Societies of Anesthesiologists by two anesthesiologists.

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Background: The weight-based dosing of ondansetron to reduce hypotension has never been investigated. The aim of this study is to determine the optimal dose of ondansetron required based on the patient's weight to reduce hypotension following spinal anesthesia for cesarean section.

Methods: In this prospective, triple-blinded, parallel group, randomized controlled trial, a total of 228 pregnant women were randomized to receive either normal saline (group NS) or ondansetron 0.

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