Publications by authors named "Thierry Guenoun"

Purpose: To assess the technical success, safety and early efficacy of Morton neuroma (MN) cryoneurolysis.

Materials And Methods: Retrospective review of 54 consecutive patients with MN treated with cryoneurolysis after failure of conservative treatment, from September 2022 to June 2023. Outcomes measurements included technical success (defined a successful ultrasound-guided placement of the cryoprobe), procedural safety according to Cirse classification and change in 6 months post-procedure by pain numeric rating scale (pNRS).

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Gasless transaxillary robot-assisted endoscopic thyroid surgery has recently been proposed and developed in South Korea and the United States. Perianesthetic implications and their evolution for 20 patients scheduled to undergo this innovative surgical technique are presented. The anesthetic considerations focus on the length of surgery due to the learning curve, the risk of the ipsilateral arm posture, and postoperative pain evaluation and management.

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Background: Laparoscopic adjustable gastric banding (LAGB) is commonly indicated in morbidly obese patients. There is controversy regarding the hemodynamic effects of pneumoperitoneum (PNP) in obese patients. PNP and changes in body posture have complex effects on venous return that may be detected by respiratory changes in the arterial pressure waveform.

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To determine age-related changes in the cardiac effect of alpha1-adrenergic stimulation, both cardiomyocyte Ca2+-transient and cardiac protein kinase C (PKC) activity were measured in 3-month- (3MO) and 24-month- (24MO) old Wistar rats. Ca2+ transients obtained under 1 Hz pacing by microfluorimetry of cardiomyocyte loaded with indo-1 (405/480 nm fluorescence ratio) were compared in control conditions (Kreb's solution alone) and after alpha1-adrenergic stimulation (phenylephrine or cirazoline, an alpha1-specific agonist). PKC activity and PKC translocation index (particulate/total activity) were also assayed before and after alpha1-adrenergic stimulation.

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Unlabelled: We studied the effectiveness of the intubating laryngeal mask airway (ILMA) in morbidly obese patients scheduled for bariatric surgery. We included 118 consecutive morbidly obese patients (body mass index, 45 +/- 5 kg/m(2)). After the induction of general anesthesia, the laryngeal view was classified by the first observer according to the method of Cormack and Lehane.

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Objective: To assess the accuracy of respiratory-induced systolic pressure variation and its components to detect low left ventricular preload.

Design: Prospective study.

Setting: University hospital.

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To understand the role of creatine kinase (CK) in cardiac excitation-contraction coupling, CK-deficient mice (CK-/-) were studied in vitro and in vivo. In skinned fibers, the kinetics of caffeine-induced release of Ca2+ was markedly slowed in CK-/- mice with a partial restoration when glycolytic substrates were added. These abnormalities were almost compensated for at the cellular level: the responses of Ca2+ transient and cell shortening to an increased pacing rate from 1 Hz to 4 Hz were normal with a normal post-rest potentiation of shortening.

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Objective: To determine whether currently available preoperative and intraoperative variables related to arterial oxygen tension (PaO(2)) can be used as predictors for low PaO(2) during one-lung ventilation (OLV).

Design: A prospective cohort study.

Setting: Primary university hospital.

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