{"title":"Anesthesiology and critical care medicine as \"text\": the power of qualitative research in a world of physiology, pharmacology, and fibrillation.","authors":"Saleem Razack, Gianni R Lorello","doi":"10.1007/s12630-025-03010-5","DOIUrl":"10.1007/s12630-025-03010-5","url":null,"abstract":"","PeriodicalId":56145,"journal":{"name":"Canadian Journal of Anesthesia-Journal Canadien D Anesthesie","volume":" ","pages":"1200-1206"},"PeriodicalIF":3.3,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144644171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Vivian H Y Ip, Jenice Ma, Ava Zardynezhad, Rakesh V Sondekoppam
{"title":"Public perception and attitudes towards health care, anesthesia, and climate change: a survey study.","authors":"Vivian H Y Ip, Jenice Ma, Ava Zardynezhad, Rakesh V Sondekoppam","doi":"10.1007/s12630-025-03019-w","DOIUrl":"10.1007/s12630-025-03019-w","url":null,"abstract":"<p><strong>Purpose: </strong>Hospitals and especially operating rooms are known to have a significant carbon footprint. With health care moving towards patient-centered care, we sought to investigate the perception and attitudes of patients and/or their family members towards health care, anesthesia, and climate change, and its influence on their care choices. We hypothesized that < 30% of our study population were aware of health care's significant contributions to climate change.</p><p><strong>Method: </strong>Following research ethics board approval and participants' consent, we conducted interviews using a questionnaire that queried participating patients' perceptions on climate change and their knowledge of health care's environmental impact. To determine if such perceptions influenced their care choices, we proposed two different anesthesia care choices with different environmental impacts for a hypothetical surgical scenario. Lastly, we sought to determine participants' interest in further information on the topic. We analyzed the survey responses for associations between participants' perceptions of climate change and on health care's carbon footprint with variables pertaining to participant characteristics, their anesthesia care choices, and interest in further knowledge.</p><p><strong>Results: </strong>Overall, 320 participants completed the survey, of whom 32% acknowledged health care \"greatly contributes to climate change.\" Nevertheless, perceptions did not translate to care choices as many participants still opted for the choice deemed to have a greater environmental impact (45%). A strong association existed between perception of health care's environmental impact and level of education (P = 0.02).</p><p><strong>Conclusion: </strong>Public perception of health care's contribution to climate change was poor albeit higher than anticipated. Participants' perceptions of climate change or health care's impact on the environment did not completely translate into choosing a less carbon-intensive anesthesia care modality for their own care. Efforts to inform patients regarding the environmental impact of anesthetic choices may have minimal impact on individual care choices.</p>","PeriodicalId":56145,"journal":{"name":"Canadian Journal of Anesthesia-Journal Canadien D Anesthesie","volume":" ","pages":"1233-1239"},"PeriodicalIF":3.3,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144669094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"From Trachlight™ to Trachway®: the evolution of airway visualization.","authors":"Ming-Hui Hung","doi":"10.1007/s12630-025-03014-1","DOIUrl":"10.1007/s12630-025-03014-1","url":null,"abstract":"","PeriodicalId":56145,"journal":{"name":"Canadian Journal of Anesthesia-Journal Canadien D Anesthesie","volume":" ","pages":"1324-1325"},"PeriodicalIF":3.3,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144700454","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Rozemarijn S Tuinhout, Rianne M Jongman, Gertrude J Nieuwenhuijs-Moeke, Wayel H Abdulahad, Michel M R F Struys, Matijs van Meurs, Dirk J Bosch
{"title":"Effects of sevoflurane, propofol, remifentanil, and fentanyl on the endothelial proinflammatory response: an in vitro exploratory study.","authors":"Rozemarijn S Tuinhout, Rianne M Jongman, Gertrude J Nieuwenhuijs-Moeke, Wayel H Abdulahad, Michel M R F Struys, Matijs van Meurs, Dirk J Bosch","doi":"10.1007/s12630-025-03025-y","DOIUrl":"10.1007/s12630-025-03025-y","url":null,"abstract":"<p><strong>Purpose: </strong>The vascular endothelium is known to modulate the inflammatory response during surgery. Sevoflurane has been shown to protect against tumor necrosis factor alpha (TNF-α)-induced endothelial dysfunction, but the effects of other anesthetics or combinations with opioids on endothelial response are unclear.</p><p><strong>Methods: </strong>In this in vitro study, we stimulated human umbilical vein endothelial cells with TNF-α (10 ng·mL<sup>-1</sup>) in triplicate in three independent experiments and treated them with sevoflurane (0.8%, 2.0%, and 4.0%), propofol (2, 5, and 10 μg·mL<sup>-1</sup>), remifentanil (2, 5, and 10 ng·mL<sup>-1</sup>) and fentanyl (0.5, 1.5, and 5 ng·mL<sup>-1</sup>) individually and in combinations. We evaluated the expression levels of endothelial adhesion molecules and proinflammatory cytokines using reverse transcription quantitative real-time polymerase chain reaction, Western blotting, and the enzyme-linked immunosorbent assay.</p><p><strong>Results: </strong>Only sevoflurane significantly diminished the messenger ribonucleic acid (mRNA) and protein expression of adhesion molecules in the presence of TNF-α (E-selectin [sevoflurane 0.8%, P < 0.001; 2%, P = 0.03; 4%, P = 0.004], vascular cell adhesion molecule 1 [sevoflurane 0.8%, P < 0.001; 2%, P = 0.002; 4%, P < 0.001], and intercellular adhesion molecule 1 [sevoflurane 0.8%, P = 0.002; 2%, P = 0.007; 4%, P < 0.001]). Additionally, mRNA and protein expression of the proinflammatory cytokines interleukin [IL]-6 and IL-8 decreased after exposure to sevoflurane alone for (IL-6 mRNA: sevoflurane 0.8%, P = 0.004; 4%, P < 0.001; IL-8 mRNA: sevoflurane 4%, P = 0.02; IL-6 protein: sevoflurane 0.8%, P < 0.001; 2%, P = 0.003; 4%, P < 0.001; IL-8 protein: sevoflurane 0.8%, P = 0.03; 2%, P < 0.001; 4%, P = 0.008]). The addition of opioids did not change the expression in either of the adhesion molecules or inflammatory cytokines.</p><p><strong>Conclusions: </strong>In this exploratory study, sevoflurane inhibited endothelial adhesion molecules and proinflammatory response in vitro, whereas propofol, remifentanil, or fentanyl did not possess the same effect. While the effects in vivo are unknown, these findings might highlight the potential impact of anesthetic choice on modulating the inflammatory response of endothelial cells.</p>","PeriodicalId":56145,"journal":{"name":"Canadian Journal of Anesthesia-Journal Canadien D Anesthesie","volume":" ","pages":"1291-1304"},"PeriodicalIF":3.3,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12350494/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144786042","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Asish Subedi, Sharon Orbach-Zinger, Alexandra M J V Schyns-van den Berg
{"title":"Association between postpartum depression and chronic postsurgical pain after Cesarean delivery: a secondary analysis of a randomized trial.","authors":"Asish Subedi, Sharon Orbach-Zinger, Alexandra M J V Schyns-van den Berg","doi":"10.1007/s12630-025-03006-1","DOIUrl":"10.1007/s12630-025-03006-1","url":null,"abstract":"<p><strong>Purpose: </strong>Psychological factors, such as anxiety, depression, and catastrophizing, may increase the risk of chronic postsurgical pain (CPSP) following Cesarean delivery (CD). We sought to evaluate whether postpartum depression (PPD) after CD is associated with CPSP and assess the potential mediating effect of PPD on the relationship between acute severe postoperative pain and CPSP.</p><p><strong>Methods: </strong>We conducted a secondary analysis of a previous randomized trial. In the original trial, 290 patients undergoing CD in Nepal were randomized to receive either 100 µg of intrathecal morphine or normal saline in addition to their spinal anesthesia with the goal to investigate the relationship between intrathecal morphine use and CPSP development. Eight weeks after CD, we used the Edinburgh Postnatal Depression Scale to identify patients with a provisional diagnosis of PPD (scores ≥ 12). The study outcomes were the occurrence of CPSP at three and six months.</p><p><strong>Results: </strong>Out of 276 patients analyzed, 20 (7%) experienced PPD. The incidences of CPSP at three and six months were 18% (52/276) and 15% (42/276), respectively. A multivariable model revealed that the odds of experiencing CPSP at three months postpartum were significantly higher in patients with depression (odds ratio [OR], 4.24; 95% confidence interval [CI], 1.53 to 11.7; P = 0.005) than in those without depression. Similarly, PPD was independently associated with an increased incidence of CPSP at six months post CD (OR, 4.05; 95% CI, 1.42 to 11.5; P = 0.009). Causal mediation analysis showed no mediating effect of PPD between acute severe postoperative pain and CPSP.</p><p><strong>Conclusions: </strong>In this secondary analysis of a previous randomized trial, we found a significant association between PPD and CPSP following CD.</p>","PeriodicalId":56145,"journal":{"name":"Canadian Journal of Anesthesia-Journal Canadien D Anesthesie","volume":" ","pages":"1314-1323"},"PeriodicalIF":3.3,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144692582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kimia Honarmand, Ian Ball, Maureen O Meade, Aimee J Sarti, Sydni Paleczny, Danielle LeBlanc, John Basmaji, Emilie P Belley-Côté, Michaël Chassé, Fred D'Aragon, Gordon Guyatt, Bram Rochwerg, Sam D Shemie, Robert Sibbald, Marat Slessarev, Mathew J Weiss, Jeanna Parsons Leigh
{"title":"Canadians' perceptions about heart donation after death by circulatory criteria: a mixed methods study.","authors":"Kimia Honarmand, Ian Ball, Maureen O Meade, Aimee J Sarti, Sydni Paleczny, Danielle LeBlanc, John Basmaji, Emilie P Belley-Côté, Michaël Chassé, Fred D'Aragon, Gordon Guyatt, Bram Rochwerg, Sam D Shemie, Robert Sibbald, Marat Slessarev, Mathew J Weiss, Jeanna Parsons Leigh","doi":"10.1007/s12630-025-02998-0","DOIUrl":"10.1007/s12630-025-02998-0","url":null,"abstract":"<p><strong>Purpose: </strong>Cardiac donation after death determination by circulatory criteria (DCC) can be performed using either direct procurement and perfusion (DPP) or normothermic regional perfusion (NRP). If broadly implemented in Canada, these procedures have the potential to reduce the cardiac transplant wait list. We aimed to evaluate the perspectives of Canadians on cardiac DCC.</p><p><strong>Methods: </strong>We performed a convergent design mixed methods study involving 21 focus groups and surveys of 109 adults in Canada on the topic of cardiac DCC.</p><p><strong>Results: </strong>We found that participants were broadly supportive of both cardiac DCC protocols. Principle concerns about DPP included relatively impaired heart quality, while concerns about NRP included the perception that the procedure may be invasive and may not be acceptable to other Canadians, including donor families. Participants who self-identified as second-generation immigrants were concerned about potential lack of support for cardiac DCC, especially NRP, by other Canadians. Participants suggested strategies to increase support for organ donation and cardiac DCC specifically, including mass media campaigns, educational initiatives, encouraging the public to discuss end-of-life wishes with family members, and enlisting primary care providers and community leaders to advance public knowledge and support.</p><p><strong>Conclusions: </strong>In this mixed methods study of people living in Canada, we found broad support for cardiac DCC. Concerns were primarily related to heart quality in DPP and perceived invasiveness of NRP. Participants identified mass media campaigns, educational material, and engagement of primary care providers and community leaders as strategies to garner support for cardiac DCC.</p>","PeriodicalId":56145,"journal":{"name":"Canadian Journal of Anesthesia-Journal Canadien D Anesthesie","volume":" ","pages":"1220-1232"},"PeriodicalIF":3.3,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144644172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Enhancing needle visualization during ultrasound-guided procedures by attaching a mirror to the transducer.","authors":"Masatoshi Tomonari, Akiko Tomonari","doi":"10.1007/s12630-025-02985-5","DOIUrl":"10.1007/s12630-025-02985-5","url":null,"abstract":"","PeriodicalId":56145,"journal":{"name":"Canadian Journal of Anesthesia-Journal Canadien D Anesthesie","volume":" ","pages":"1328-1330"},"PeriodicalIF":3.3,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144250978","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Organ and tissue donation and sexual and gender minoritized persons: time for positive change.","authors":"Jeffrey M Singh","doi":"10.1007/s12630-025-03009-y","DOIUrl":"10.1007/s12630-025-03009-y","url":null,"abstract":"","PeriodicalId":56145,"journal":{"name":"Canadian Journal of Anesthesia-Journal Canadien D Anesthesie","volume":" ","pages":"1187-1191"},"PeriodicalIF":3.3,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144644173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Association between low Bispectral Index™ values during anesthesia maintenance and one-year mortality in older patients with different comorbidities: a retrospective cohort study.","authors":"Wei Ma, Chengyu Li, Qian Li","doi":"10.1007/s12630-025-02995-3","DOIUrl":"10.1007/s12630-025-02995-3","url":null,"abstract":"<p><strong>Purpose: </strong>We aimed to investigate the correlation between the duration of low Bispectral Index™ (BIS™) values and 1-year mortality in older patients, particularly in those with different comorbidities.</p><p><strong>Methods: </strong>We conducted a retrospective cohort study of 5,927 older patients (≥ 65 yr of age) who underwent elective noncardiac surgery under general anesthesia with BIS monitoring between February 2015 and February 2022. We used univariable and multivariable Cox proportional hazard models to explore the associations between the cumulative duration of BIS values < 40 and postoperative 1-year mortality. We performed exploratory subgroup and interaction analyses to investigate whether any association with outcome differed in patients with multimorbidity as assessed by the Charlson comorbidity index (CCI).</p><p><strong>Results: </strong>We included 5,927 patients undergoing elective noncardiac surgery, with a mean (standard deviation [SD]) age of 71 (5) yr. Among them, 2,234 (38%) patients with multimorbidity had a CCI ≥ 3, and 3,693 (62%) had CCI < 3. Postoperatively, 588/5,927 (10%) patients died within 1 year. After adjusting for covariates, multivariable Cox proportional hazard analysis showed that the cumulative duration of BIS < 40 was not significantly associated with 1-year mortality (adjusted hazard ratio, 1.07; 95% confidence interval [CI], 0.99 to 1.15; P = 0.08); this association remained stable among patients with multimorbidity (adjusted hazard ratio, 1.06; 95% CI, 0.96 to 1.16).</p><p><strong>Conclusions: </strong>In this retrospective cohort study of 5,927 older patients, the cumulative duration of BIS < 40 was not significantly associated with 1-year mortality, especially in patients with multimorbidity.</p>","PeriodicalId":56145,"journal":{"name":"Canadian Journal of Anesthesia-Journal Canadien D Anesthesie","volume":" ","pages":"1280-1290"},"PeriodicalIF":3.3,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144318791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Vivian Hernandez, Harold Chaves-Cardona, Andrea Rivero, Mark Matus, Ilana Logvinov, Sorin J Brull, J Ross Renew
{"title":"Comparison of adductor pollicis and flexor hallucis brevis muscle electromyographic responses: a prospective cohort study.","authors":"Vivian Hernandez, Harold Chaves-Cardona, Andrea Rivero, Mark Matus, Ilana Logvinov, Sorin J Brull, J Ross Renew","doi":"10.1007/s12630-025-03029-8","DOIUrl":"https://doi.org/10.1007/s12630-025-03029-8","url":null,"abstract":"<p><strong>Purpose: </strong>The use of a quantitative neuromuscular monitor is strongly recommended by many anesthesiology societies. While most monitors are used at the hand to record responses at the adductor pollicis muscle, this site may be unavailable. We sought to compare simultaneous quantitative neuromuscular measurements obtained at the adductor pollicis (hand) and flexor hallucis brevis (foot) muscles.</p><p><strong>Methods: </strong>We preoperatively enrolled consenting patients in a prospective cohort study, and their attending anesthesiologists managed intraoperative neuromuscular block at their discretion. The anesthesiologists placed one set of electromyography electrodes over the ulnar nerve/adductor pollicis muscle and another over the posterior tibial nerve/flexor hallucis brevis muscle. During the onset of neuromuscular blockade, simultaneous measurements were obtained every 20 sec until the train-of-four (TOF) count reached 0. At the conclusion of the operation, sugammadex recovery data were recorded every 20 sec until a TOF ratio ≥ 0.9 was achieved.</p><p><strong>Results: </strong>Of the 103 enrolled patients, 81 had simultaneous measurements during the onset of neuromuscular blockade at the hand and foot sites. The mean paired difference between the onset times at the two sites was 31 sec (95% confidence interval [CI], 5 to 56; P = 0.02). The mean paired difference between the offset times at the two sites was -3 sec (95% CI, -56 to 50; P = 0.26).</p><p><strong>Conclusions: </strong>While quantitative neuromuscular monitoring at the flexor hallucis brevis (foot) muscle showed some statistical differences in onset time and a recovery compared with monitoring at the adductor pollicis muscle (hand), these differences are of unclear clinical significance.</p>","PeriodicalId":56145,"journal":{"name":"Canadian Journal of Anesthesia-Journal Canadien D Anesthesie","volume":" ","pages":""},"PeriodicalIF":3.3,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144765844","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}