hypercapnia/nausea

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Effects of hypercapnia on postoperative nausea and vomiting after laparoscopic surgery: a double-blind randomized controlled study.

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Laparoscopic surgery is associated with a high incidence of postoperative nausea and vomiting (PONV). The use of CO2 pneumoperitoneum has been proposed as a potential cause of high PONV incidence. However, intraoperative hypercarbia may be related to enhanced perfusion to the main effector sites for

Theophylline does not increase ventilatory responses to hypercapnia or hypoxia.

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Theophylline is commonly believed to stimulate central respiratory centers. We studied the effect of oral theophylline therapy on ventilatory responses to hypercapnia and hypoxia during a double-blind placebo-controlled trial with a slow release oral theophylline preparation. We measured hypercapnic

Diphenhydramine enhances the interaction of hypercapnic and hypoxic ventilatory drive.

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BACKGROUND Although diphenhydramine is frequently used to treat pruritus and nausea in patients who have received neuraxial opioids, there are no data regarding its effect on ventilatory control. We conducted the current study to evaluate the effects of diphenhydramine on hypercapnic and hypoxic

Symptoms of central nervous system oxygen toxicity during 100% oxygen breathing at normobaric pressure with increasing inspired levels of carbon dioxide: a case report.

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The greatest danger faced by divers who use oxygen-enriched gas mixtures is central nervous system oxygen toxicity (CNS-OT). CNS-OT is characterised by convulsions resembling grand-mal epileptic seizures, which may terminate in drowning and death. Elevated arterial levels of carbon dioxide (CO₂)

Efficacy of acupoint massage combined with acupoint application on arterial blood gas in patients undergoing laparoscopic cholecystectomy.

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To explore efficacy of acupoint massage combined with acupoint application on arterial blood gas and postoperative complications for patients undergoing laparoscopic cholecystectomy. Patients undergoing laparoscopic cholecystectomy (LC) in general anesthesia condition were randomly enrolled from

The effects of neostigmine on postoperative cognitive function and inflammatory factors in elderly patients - a randomized trial

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Background: Postoperative cognitive dysfunction is a common postoperative complication in elderly patients. In elderly patients, the decline of organ function and neuromuscular junction function make them more sensitive to muscle

An audit of the safety of an acute pain service.

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We audited and analysed the adverse effects and safety of postoperative pain management on 2509 consecutive patients under care of the Acute Pain Service at a tertiary referral teaching hospital over a 32-month period. Our standard respiratory monitoring consisted of continuous pulse oximetry,

The impact of ultrasound-guided bilateral rectus sheath block in patients undergoing cytoreductive surgery combined with hyperthermic intraperitoneal chemotherapy - a retrospective study

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Background: Rectus sheath block (RSB) is known to attenuate postoperative pain and reduce perioperative opioid consumption. Thus, a retrospective study was performed to examine the effects of bilateral rectus sheath block (BRSB) in

Headache and Methemoglobinemia.

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This basic review is intended to summarize the current knowledge of methemoglobinemia as an important cause of secondary headache with the hope of generating a growing interest in studying this phenomenon.We describe the pathological underpinnings of

[Central respiratory failure occurred in the subacute phase of unilateral Wallenberg's syndrome: a case report].

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A 46-year-old man developed central respiratory failure in the subacute phase of unilateral lateral medullary infarction. He complained of sudden headache and nausea at first. Neurological examination revealed Wallenberg's syndrome. Acute right lateral medullary infarction caused by the dissecting

Effects of intra-operative end-tidal carbon dioxide levels on the rates of post-operative complications in adults undergoing general anesthesia for percutaneous nephrolithotomy: A clinical trial.

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BACKGROUND A retrospective study has shown lesser days of hospital stay in patients with increased levels of intra-operative end-tidal carbon dioxide (ETCO2). It is probable that hypercapnia may exert its beneficial effects on patients' outcome through optimization of global hemodynamic and tissue

Propofol-ketamine combination: a choice with less complications and better hemodynamic stability compared to propofol? On a prospective study in a group of colonoscopy patients.

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OBJECTIVE In this study, we compared duration for reaching desired Ramsay Sedation Score (RSS) and postoperative recovery according to Modified Aldrete Score (MAS) of propofol and propofol-ketamine combination in a group of colonoscopy patients. Rates of cardiovascular, respiratory, laryngospasm,

Perioperative anesthetic and surgical complications of the Nuss procedure.

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OBJECTIVE The Nuss procedure is a chest wall remodeling surgery performed in patients with pectus excavatum. This study was performed to analyze perioperative surgical and anesthetic complications with the Nuss procedures. METHODS A retrospective analysis. METHODS An academic hospital. METHODS Two

[Observational study of complications connected with the use of the laryngeal mask airway and sevoflurane anesthesia in children].

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OBJECTIVE To comparison of the type and the incidence of complications connected with the use of the Laryngeal Mask Airway (LMA) and sevoflurane anesthesia in different ages children. METHODS 160 ASA I or II children aged 1-10 yrs body mass index (BMI)14-21 undergoing inguinal hernia repair

[Continuous sedation for regional anesthesia with propofol (Disoprivan) and midazolam (Dormicum). A comparative study].

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Propofol was compared to midazolam with regard to its quality as a sedative in regional anesthesia. 81 patients undergoing varicose-vein stripping under epidural anesthesia were divided into two groups: 39 were given propofol and 42 were given midazolam. Both groups were then subdivided into 3

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