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1.
J Clin Monit Comput ; 2024 Mar 05.
Artigo em Inglês | MEDLINE | ID: mdl-38438706

RESUMO

This study is the first to report 50% and 95% effect-site concentrations (EC50 and EC95, respectively) of the new short-acting benzodiazepine, remimazolam, for the successful insertion of i-gels with co-administration of fentanyl. Thirty patients (38 ± 5 years old, male/female = 4/26) were randomly assigned into five groups to receive one of five different remimazolam doses (0.1, 0.15, 0.2, 0.25, and 0.3 mg/kg bolus followed by infusion of 1, 1.5, 2, 2.5, and 3 mg/kg/h, respectively, for 10 min), which were designed to maintain a constant effect-site concentration of remimazolam at the time of i-gel insertion. At 6 min after the start of remimazolam infusion, all patients received 2 µg/kg fentanyl. i-gel insertion was attempted at 10 min and the success or failure of insertion were assessed by the patient response. Probit analysis was used to estimate the EC50 and EC95 values of remimazolam with 95% confidence intervals (CIs). In the five remimazolam dose groups, two, two, four, five, and six of the six patients in each group had an i-gel successfully inserted. Two patients in the lowest remimazolam dose group were conscious at the time of i-gel insertion and were counted as failures. The EC50 and EC95 values of remimazolam were 0.88 (95% CI, 0.65-1.11) and 1.57 (95% CI, 1.09-2.05) µg/ml, respectively. An effect-site concentration of ≥ 1.57 µg/ml was needed to insert an i-gel using remimazolam anesthesia, even with 2 µg/kg fentanyl. Trial registration: The study was registered in Japan Registry of Clinical Trials on 19 April 2021, Code jRCTs041210009.

2.
Cureus ; 14(3): e22891, 2022 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-35399394

RESUMO

Introduction We hypothesized that the nephroprotective and diuretic effects of carperitide are effective in patients with pulmonary hypertension. We examined the presence of preoperative pulmonary hypertension and the effects of carperitide. Methods In this retrospective cohort study, we included patients aged 20 years or older who received carperitide during cardiovascular surgery and were admitted to the postoperative intensive care unit. We used hospital data from March 2019 to September 2021. The outcomes were the incidence of acute kidney injury, the number of patients using renal replacement therapy in the intensive care unit, urine volume in the first 24 hours after surgery, and the difference in serum creatinine concentrations between before and after surgery. After adjusting for confounding factors by multivariate analysis, we compared the difference in outcomes with and without preoperative pulmonary hypertension (systolic pulmonary artery pressure ≥36 mmHg). Results The study included 244 patients, with 72 (29.5%) in the pulmonary hypertension group and 172 (70.5%) in the control group. Acute kidney injury occurred in eight (11.1%) patients in the pulmonary hypertension group and in 18 (10.5%) patients in the control group, with no significant difference by logistic regression analysis (odds ratio 1.40, 95% confidence interval 0.54-3.62, p=0.49). Additionally, the use of renal replacement therapy, urine volume at 24 hours postoperatively, and the difference in serum creatinine concentrations were not different between the two groups. Conclusions Our results suggest that the effect of carperitide during cardiovascular surgery is not affected by the presence or absence of pulmonary hypertension.

3.
JA Clin Rep ; 6(1): 91, 2020 Nov 15.
Artigo em Inglês | MEDLINE | ID: mdl-33190208

RESUMO

BACKGROUND: Kagami-Ogata syndrome (KOS) is due to abnormal gene expression in the 14q32.2 imprinted region. Laryngomalacia and bell-shaped thorax of children with KOS can affect airway management of general anesthesia. CASE PRESENTATION: A 12-year-old girl with KOS had a mechanical ventilation history and underwent pectus excavatum repair for cosmetic reasons. Although she had undergone invasive thoracic surgery under general and epidural anesthesia, her respiratory rate and tidal volume were stable with adequate pain control mainly through epidural analgesia at the end of the surgery. We examined her larynx by a bronchoscope. Then, we successfully extubated her after confirming the normal movement of her larynx. CONCLUSIONS: When patients with KOS undergo pectus excavatum repair, anesthesiologists should prevent postoperative respiratory failure by providing adequate postoperative analgesia. Evaluation of airway patency and respiratory pattern before extubation is critical.

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