Publications by authors named "Motamed C"

This bicentric retrospective cohort study evaluates reversal of muscle relaxation in real life achieved either by neostigmine or sugammadex in two hospitals using different types of neuromuscular monitoring (acceleromyography and kinemyography). The research question concerns compliance with recommendations. Patients who underwent an abdominal surgery under general anesthesia in the period from January 2017 through December 2020 with a neuromuscular block with rocuronium were included in the study.

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Introduction-the upper airway panendoscopy, performed under general anesthesia, is mandatory for the diagnosis of cervicofacial cancer. It is a challenging procedure because the anesthesiologist and the surgeon have to share the airway space together. There is no consensus about the ventilation strategy to adopt.

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There is a global trend of new guidelines highly recommending quantitative neuromuscular monitoring in the operating room. In fact, it is almost certain that quantitatively monitoring the depth of intraoperative muscle paralysis may permit the rational use of muscle relaxants and avoid some of the major related complications, namely postoperative pulmonary complications. A specific culture related to this issue is necessary to integrate quantitative monitoring of muscle relaxants as part of a major monitoring entity in anesthetized patients.

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: Complex cervicofacial cancer surgery with free flap reconstruction is known to have a high incidence of postoperative pulmonary complications (PPCs). We hypothesized that by implementing an optimized respiratory protocol, including preemptive postoperative pressure support ventilation, physiotherapy, and critical respiratory support and follow-up, we could decrease the incidence of PPCs. : We evaluated the incidence of PPCs over two periods in two groups of patients having a routine or optimized postoperative respiratory protocol: 156 adult patients undergoing major cervicofacial cancer surgery were assessed; 91 were in Group 1 (routine) and 65 were in Group 2 (optimized).

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Article Synopsis
  • Opioid sparing approaches in anesthesia, like opioid reduced anesthesia (ORA), aim to minimize opioid use during major cervicofacial oncologic surgeries, which often cause severe postoperative pain and complications.* -
  • A study compared the ORA group (using dexmedetomidine and lidocaine) to a standard opioid-based anesthesia group, revealing lower intraoperative opioid consumption but no significant difference in postoperative pain and opioid needs.* -
  • While ORA did not reduce pain or opioid use, it appeared to lower the rates of hypoxemia and the need for extra ventilation, suggesting potential benefits that require further investigation.*
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Sugammadex may be required or used in multiple emergency situations. Moderate and high doses of this compound can be used inside and outside the operating room setting. In this communication, recent developments in the use of sugammadex for the immediate reversal of rocuronium-induced neuromuscular blockade were assessed.

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Pain after cervicofacial cancer surgery with free flap reconstruction is both underestimated and undertreated. There is a rational for regional anesthesia at the flap harvest site, but few studies describe it. We assessed the influence of common peroneal nerve infiltration on pain and opioid consumption in patients having oropharyngeal cancer surgery with fibular free flap mandibular reconstruction.

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Backgroundand Objectives: Remifentanil-based sedation is one of many protocols proposed for endoscopy procedures in spontaneous ventilation, alone or in combination with propofol. However, the effect of these small doses of propofol on the efficacy and safety of remifentanil target-controlled infusion (TCI) deserves to be examined in this context. The objective of this study was to assess the adverse respiratory and cardiovascular effects of small boluses of propofol combined with remifentanil, in comparison with remifentanil alone, and balanced with the quality of sedation and recovery.

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Hypoalbuminemia in major cancer surgery can lead to postoperative short and long-term complications. Our study was designed to detect albumin variations in three major cancer surgeries: ovarian debulking (DBK), major abdominal gastrointestinal surgery (ABD), and major cervico-facial, or ear, nose and throat cancer surgery (ENT). Single-center prospective study inclusion criteria were non-emergency procedures scheduled to last at least five hours.

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Patient-controlled analgesia (PCA) is an effective method for controlling acute pain, including postoperative pain in adults and in children from five years of age, pain resulting from labor, trauma, or other medical situations, or chronic and malignant pain. The treatment consists of a mini-computer-controlled infusion pump permitting the administration of on-demand, continuous, or combined doses of analgesic (mainly opioid) variations in response to therapy, which allows pain to be significantly controlled. Intravenous (IV)-PCA minimizes individual pharmacodynamics and pharmacokinetic differences and is widely accepted as a reference method for mild or severe postoperative pain.

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Background: End-tidal carbon dioxide pressure (PetCO) is unreliable for monitoring PaCO in several conditions because of the unpredictable value of the PaCO-PetCO gradient. We hypothesised that increasing both the end-inspiratory pause and the expiratory time would reduce this gradient in patients ventilated for COVID-19 with Acute Respiratory Distress Syndrome and in patients anaesthetised for surgery.

Methods: On the occasion of an arterial blood gas sample, an extension in inspiratory pause was carried out either by recruitment manoeuvre or by extending the end-inspiratory pause to 10 s.

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Introduction: Unintended postoperative hypothermia frequently occurs upon arrival in the post anesthesia care unit (PACU). As part of our quality assurance program in anesthesia, we regularly monitor the incidence of this complication through our anesthesia information management system (AIMS). In this case-controlled retrospective study, our goal was to detect the incidence of unintended severe hypothermia in our breast surgery cancer patients, and subsequently to analyze the consequence of this complication in terms postoperative cutaneous infection, as well as its impact on further complementary treatment, such as radiotherapy and chemotherapy.

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Backgrounds: Procedures for Postoperative Nausea and Vomiting (PONV) prevention are mostly based on identification of the risk factors before administering antiemetic drugs. The purpose of this study was to evaluate the impact of the extended use of antiemetic on the PONV in the Postanesthetic Care Unit (PACU).

Methods: Two separate 4-year periods (2007.

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Objective: To assess the effect of dexamethasone on complications or all cause mortality after major non-cardiac surgery.

Design: Phase III, randomised, double blind, placebo controlled trial.

Setting: 34 centres in France, December 2017 to March 2019.

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Introduction: This study was designed to compare the Datex neuromuscular transmission (NMT) kinemyography (NMTK) device with the TOFscan (TS) accelerometer during the onset and recovery of neuromuscular blockade.

Patients And Methods: This prospective study included adult patients who were scheduled to undergo elective surgery with general anesthesia and orotracheal intubation. The TS accelerometer was randomly placed at the adductor pollicis on one hand, and the NMTK was placed on the opposite arm.

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Objective: Remifentanil, a rapid onset rapid offset synthetic opioid and potent analgesic, is often used for procedural conscious sedation in spontaneous ventilation, especially when delivered in target controlled infusion (TCI), which allows precise titration. We assessed efficacy, tolerance, and adverse events related with the use of remifentanil TCI during various procedures.

Design: Prospective, observational.

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Sugammadex provides a rapid pharmacological reversal of aminosteroid, as well as fewer pulmonary complications, a better physiological recovery, and shorter stays in the postanesthetic recovery unit (PACU). This retrospective analysis of our Centricity anesthesia database in 2017-2019 assessed the efficiency of sugammadex in real-life situations in two groups of surgical cancer patients (breast and abdominal surgery) based on the extubation time, operating room exit time, and length of PACU stay. Overall, 382 anesthesia records (131 breast and 251 abdominal surgeries) were extracted for the pharmacological reversal of neuromuscular blockades by neostigmine or sugammadex.

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Article Synopsis
  • A group of sixteen experts updated the 1999 French guidelines on muscle relaxants and their reversal in anesthesia, ensuring independence from industrial funding and adhering to strict conflict of interest protocols.
  • They utilized the GRADE® system to evaluate the quality of evidence for each recommendation, emphasizing the risks of relying on low-quality evidence.
  • The panel addressed eight key questions regarding the necessity and monitoring of muscle relaxants in various scenarios and special populations, focusing on best practices for airway management and patient safety.
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Background: The end-expiratory occlusion test predicts fluid responsiveness in ventilated intensive care patients; however, its utility in the operating room is questioned. We assessed end-expiratory occlusion test in laparotomic surgery for predicting volume expansion.

Methods: Forty-six patients were included in this study: stage 1 (n = 26) with an end-expiratory occlusion test of 15 seconds, followed by volume expansion, which consisted of 250 mL of colloid over 5 minutes and stage 2 (n = 20) with an end-expiratory occlusion test of 25 seconds followed by volume expansion.

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Introduction: Hypnosis has been reported to decrease pain and anxiety in surgical context, but data studying its impact on patient experience using a validated scale are scarce. In the present study, we assessed the effect of an audio hypnosis session on patient satisfaction during venous access port implantation under local anaesthesia in adult cancer patients using the EVAN-LR Score.

Methods: After informed consent, patients were randomised to receive either hypnosis or standard care.

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Objective: To compare cardiac index (CI) between Proaqt/PulsioFlex and oesophageal Doppler (OD) and the ability of the PulsioFlex to track CI changes induced by fluid challenge and secondly to assess the impact of the time interval between two auto-calibrations of PulsioFlex on the accuracy of the measured CI.

Methods: In a single hospital, 49 intermediate-risk oncologic abdominal surgery patients were included in an observational study. We measured the cardiac Index (CI) provided by OD and by the Proaqt/PulsioFlex before and after internal calibration, which were performed randomly at specific intervals after the initial one (30, 60, 90 and 120min).

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Introduction: The failure rates of intubation and/or mask ventilation are higher in patients with neck or upper airway disease. To ensure oxygenation, rescue trans-tracheal jet ventilation (RTTJV) may be used. In this critical situation, a high rate of complications has been reported.

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Background: Opioid dependency is becoming increasingly common among surgical patients with cancer, and can lead to inadequate pain relief during the initial postoperative period. No guidelines are currently available for the management of perioperative and postoperative morphine administration in these patients. As a first approach, the authors assessed the opioid requirements of these patients during the early postoperative period.

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