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Zhao Y, Wang J, Li M, Ma T, Zhang X, Xu X, Zeng M, Peng Y. The Influence of Trigeminocardiac Reflex on Postoperative Cardiac Adverse Events in Patients Undergoing Cerebellopontine Angle Tumor Resections: A Case-Control Study. World Neurosurg 2023; 172:e291-e298. [PMID: 36623723 DOI: 10.1016/j.wneu.2023.01.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 01/02/2023] [Accepted: 01/03/2023] [Indexed: 01/09/2023]
Abstract
OBJECTIVE To assess the potential impact of the trigeminocardiac reflex (TCR) on postoperative adverse cardiac events and to identify predictors of the TCR in cerebellopontine angle surgery. METHODS Patients undergoing elective cerebellopontine angle surgery from October 1, 2015, to September 30, 2020, were recruited consecutively for this retrospective case-control study. The TCR was evaluated by reviewing electronic anesthesia records and defined as a drop in heart rate was >20%. Controls were identified from the same retrospective cohort and matched by age, sex, and similar (±5 days) surgery date in the ratio of 1:2. RESULTS Of 2446 patients, 68 (2.78%) experienced TCR episodes. A total of 97 TCR episodes occurred among the 68 patients. In 2 TCR episodes, severe cardiac complications developed after surgery-myocardial injury in one case and cardiac arrest in the other case. The prevalence of adverse cardiovascular events was higher in the TCR group (60.3% vs. 36.0%, P = 0.001) than in the control group. The independent risk factor for the TCR in the multivariate condition logistic regression was tumor compression of the brainstem (odds ratio = 2.36, 95% confidence interval 1.40-3.95; P = 0.001). CONCLUSIONS Intraoperative TCR episodes seemed to be associated with postoperative adverse cardiac events in patients undergoing cerebellopontine angle surgery. Moreover, tumor compression of the brainstem might be a risk factor for TCR episodes.
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Affiliation(s)
- Yan Zhao
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Juan Wang
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Muhan Li
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Tingting Ma
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xingyue Zhang
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xin Xu
- Department of Anesthesiology, Cancer Hospital Chinese Academy of Medical Sciences, Beijing, China
| | - Min Zeng
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yuming Peng
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
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Agarwal A, Mittal G, Garg R, Rathi A. Trigeminocardiac reflex during maxillary third molar extraction: Our experience. Natl J Maxillofac Surg 2022; 13:311-314. [PMID: 36051807 PMCID: PMC9426688 DOI: 10.4103/njms.njms_260_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 12/16/2020] [Accepted: 01/22/2021] [Indexed: 12/04/2022] Open
Abstract
Trigeminocardiac reflex (TCR) is a cascade of physiological response secondary to the stimulation of any of the sensory divisions of the trigeminal nerve, which is the largest cranial nerve and provides sensory supply to the face, scalp, mucosa of the nose, and mouth. This response usually presents as a triad including bradycardia, apnea, and gastric motility changes. On the another side, transient loss of consciousness or vasovagal syncope, a well-known phenomenon in dentomaxillofacial surgery with its pathophysiology fully elucidated, is thought to be mediated by TCR and sometimes termed as dentocardiac reflex. Thus, it is imperative to know about TCR and its association with routine dental and maxillofacial surgery procedures. It can potentially happen during any minor or major oral surgical procedures ranging from simple third molar extractions, soft tissue surgeries, root canal treatments, or management of maxillofacial fractures. This paper presents two case reports demonstrating TCR which presented during maxillary third molar extraction and author(s) own experience in managing the same.
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Meuwly C, Chowdhury T, Gelpi R, Erne P, Rosemann T, Schaller B. The clinical surrogate definition of the trigeminocardiac reflex: Development of an optimized model according to a PRISMA-compliant systematic review. Medicine (Baltimore) 2017; 96:e9033. [PMID: 29245296 PMCID: PMC5728911 DOI: 10.1097/md.0000000000009033] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND The trigeminocardiac reflex (TCR) is defined as sudden onset of parasympathetic dysrhythmias including hemodynamic irregularities, apnea, and gastric hypermotility during stimulation of sensory branches of the trigeminal nerve. Since the first description of the TCR 1999, there is an ongoing discussion about a more flexible than the existing clinical definition. Aim of this work was to create a clinical surrogate definition through a systematic review of the literature. METHODS In this meta-analysis study, literature about TCR occurrences was, according to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis statement, systematically identified through various search engines including PubMed (Medline), Embase (Ovid SP), and ISI Web of Sciences databases from January 2005 to August 2015. TCR was defined as a drop of heart rate (HR) below 60 bpm or 20% to the baseline. We extracted detailed data about hemodynamic changes and searched for connections between arterial blood pressure (BP) and HR changes during such episodes. RESULTS Overall 45 studies harboring 57 patients were included in the study but only 32 patients showed sufficient data for final analyze. HR showed a nonlinear behavior with a "tipping point" phenomena that differs in variance from the central/peripheral (20-30% drop) to ganglion (40-49% drop). BP showed a linear behavior with a "central limit" phenomena not differing in variance in the whole subgroup (30-39% drop). An analyzation of the correlation between BP and HR showed a trend to a linear correlation. CONCLUSIONS We can show for the first time that HR is the dominant variable in the TCR and present a new surrogate definition model. This model and the role of BP must be better investigated in further studies.
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Affiliation(s)
- Cyrill Meuwly
- Department of Biomedicine, University Hospital Basel, Basel, Switzerland
| | - Tumul Chowdhury
- Department of Anesthesiology and Perioperative Medicine, University of Manitoba, Winnipeg, Canada
| | - Ricardo Gelpi
- Department of Pathology, Institute of Cardiovascular Physiopathology, University of Buenos Aires, Buenos Aires, Argentina
| | - Paul Erne
- Department of Biomedicine, University Hospital Basel, Basel, Switzerland
| | - Thomas Rosemann
- Department of Primary Care, University of Zurich, Zurich, Switzerland
| | - Bernhard Schaller
- Department of Primary Care, University of Zurich, Zurich, Switzerland
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Meuwly C, Chowdhury T, Sandu N, Golanov E, Erne P, Rosemann T, Schaller B. Definition and Diagnosis of the Trigeminocardiac Reflex: A Grounded Theory Approach for an Update. Front Neurol 2017; 8:533. [PMID: 29085328 PMCID: PMC5649131 DOI: 10.3389/fneur.2017.00533] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Accepted: 09/25/2017] [Indexed: 12/11/2022] Open
Abstract
Background The trigeminocardiac reflex (TCR) is defined as sudden onset of parasympathetic dysrhythmias including hemodynamic irregularities, apnea, and gastric hypermotility during stimulation of sensory branches of the trigeminal nerve. Since the first description of the TCR in 1999, there is an ongoing discussion about a more emergent clinical definition. In this work, the author worked out an approach to such an improved definition. Methods In this study, a grounded theory approach was used. Literature about TCR was systematically identified through PubMed (MEDLINE), EMBASE (Ovid SP), and ISI Web of Sciences databases from 1/2005 until 8/2015. TCR was defined as a drop of heart rate (HR) below 60 bpm or 20% to the baseline. A grounded theory approach was used to analyze and interpret the data through a synthesis by the researcher’s perspectives, values, and positions. Results Out of the included studies, the authors formed available data to an update of the understanding of changes in hemodynamic parameters (HR and blood pressure) in a TCR. According to this update, an HR deceleration should be a constant observation to identify a TCR episode while a drop in blood pressure should probably not being fixed to a certain percentage of decrease. Conclusion The here presented working definition improves our understanding of the TCR. It leads the way to a new understanding of the TCR for a proper clinical definition.
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Affiliation(s)
| | - Tumul Chowdhury
- Department of Anaesthesiology and Perioperative Medicine, University of Manitoba, Winnipeg, MB, Canada
| | - Nora Sandu
- Department of Pathology, University of Buenos Aires, Buenos Aires, Argentina
| | - Eugene Golanov
- Department of Neurosurgery, Houston Methodist Hospital, Houston, TX, United States
| | - Paul Erne
- University Hospital Basel, Basel, Switzerland
| | - Thomas Rosemann
- Department of Primary Care, University of Zurich, Zürich, Switzerland
| | - Bernhard Schaller
- Department of Primary Care, University of Zurich, Zürich, Switzerland
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Chowdhury T, Sandu N, Gelpi R, Schaller B. Trigeminocardiac reflex: beyond a skull base reflex. FUTURE NEUROLOGY 2017. [DOI: 10.2217/fnl-2017-0015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Tumul Chowdhury
- Department of Anesthesiology & Perioperative Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Nora Sandu
- Department of Research, University of Southampton, Southampton, UK
| | - Ricardo Gelpi
- Department of Pathology, University of Buenos Aires, Argentina
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Sandu N, Chowdhury T, Meuwly C, Schaller B. Trigeminocardiac reflex in cerebrovascular surgery: a review and an attempt of a predictive analysis. Expert Rev Cardiovasc Ther 2017; 15:203-209. [DOI: 10.1080/14779072.2017.1286983] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Nora Sandu
- Department of Research, University of Southampton, Southampton, UK
| | - Tumul Chowdhury
- Department of Anesthesiology and Perioperative Medicine, University of Manitoba (UOM)/Winnipeg Regional Health Authority (WRHA), Winnipeg, Manitoba, Canada
| | | | - Bernhard Schaller
- Department of Research, University of Southampton, Southampton, UK
- Department of Pathology, University of Buenos Aires, Buenos Aires, Argentina
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Chowdhury T, Schaller B. The Role of Acute Trigemino-Cardiac Reflex in Unusual, Non-Surgical Cases: A Review. Front Neurol 2016; 7:186. [PMID: 27833585 PMCID: PMC5080283 DOI: 10.3389/fneur.2016.00186] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2016] [Accepted: 10/11/2016] [Indexed: 11/13/2022] Open
Abstract
Trigemino-cardiac reflex (TCR) is a well-established phenomenon that is mainly reported in the various surgical specialties. However, the role of this unique reflex is entirely unknown in other medicine domains. Therefore, the present mini-review aims to explore the role of TCR in such unusual cases and also highlights the importance of case reports for knowledge creation in such context.
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Affiliation(s)
- Tumul Chowdhury
- Department of Anesthesiology and Perioperative Medicine, University of Manitoba, Winnipeg, MB, Canada
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Sandu N, Chowdhury T, Schaller BJ. How to apply case reports in clinical practice using surrogate models via example of the trigeminocardiac reflex. J Med Case Rep 2016; 10:84. [PMID: 27048202 PMCID: PMC4822233 DOI: 10.1186/s13256-016-0849-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Accepted: 02/25/2016] [Indexed: 12/04/2022] Open
Abstract
Case reports are an increasing source of evidence in clinical medicine. Until a few years ago, such case reports were emerged into systematic reviews and nowadays they are often fitted to the development of clinical (thinking) models. We describe this modern progress of knowledge creation by the example of the trigeminocardiac reflex that was first described in 1999 by a case series and was developed over the cause-and-effect relationship, triangulation to systematic reviews and finally to thinking models. Therefore, this editorial not only underlines the increasing and outstanding importance of (unique) case reports in current science, but also in current clinical decision-making and therefore also that of specific journals like the Journal of Medical Case Reports.
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Affiliation(s)
- Nora Sandu
- Departement of Research, University of Southampton, University Road, Southampton, SO17 1BJ, UK
| | - Tumul Chowdhury
- Department of Anesthesiology and Perioperative Medicine, University of Manitoba, 671 William Avenue, Winnipeg, MB, R3E 0Z2, Canada
| | - Bernhard J Schaller
- Departement of Research, University of Southampton, University Road, Southampton, SO17 1BJ, UK.
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Chowdhury T, Nöthen C, Filis A, Sandu N, Buchfelder M, Schaller B. Functional Outcome Changes in Surgery for Pituitary Adenomas After Intraoperative Occurrence of the Trigeminocardiac Reflex: First Description in a Retrospective Observational Study. Medicine (Baltimore) 2015; 94:e1463. [PMID: 26376385 PMCID: PMC4635799 DOI: 10.1097/md.0000000000001463] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Trigeminocardiac reflex (TCR) represents now a nearly ubiquitary phenomenon in skull base surgery. Functional relevance of the intrainterventional TCR occurrence is hitherto only proven for vestibular schwannoma. In a retrospective observational study, 19 out of 338 (8%) enrolled adult patients demonstrated a TCR during transsphenoidal/transcranial surgery for pituitary adenomas. The 2 subgroups (TCR vs non-TCR) had similar patient's characteristics, risk factors, and histology. Preoperatively, there was a similar distribution of normal pituitary function in the TCR and non-TCR subgroups. In this TCR subgroup, there was a significant decrease of that normal pituitary function after operation (37%) compared to the non-TCR group (60%) (P < 0.03). The TCR subgroup therefore demonstrated a 3.15 times (95%CI 1.15-8.68) higher risk for non-normalizing of postoperative pituitary function compared with the non-TCR subgroup (P < 0.03). It is presented, for the first time, an impact of TCR on the functional hormonal outcome after pituitary surgery and strongly underline again the importance of the TCR in clinical daily practice. As a consequence, TCR should be considered as a negative prognostic factor of hormonal normalization after surgery for pituitary adenomas that should be included into routine practice.
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Affiliation(s)
- T Chowdhury
- From the Department of Anesthesia and Perioperative Medicine, University of Manitoba, Winnipeg, Canada (CT); Department of Neurosurgery, University of Erlangen-Nuremberg, Germany (NC, FA, BM), and Department of Research, University of Southampton, Southampton, UK (SN, SB)
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Meuwly C, Chowdhury T, Sandu N, Reck M, Erne P, Schaller B. Anesthetic influence on occurrence and treatment of the trigemino-cardiac reflex: a systematic literature review. Medicine (Baltimore) 2015; 94:e807. [PMID: 25950688 PMCID: PMC4602521 DOI: 10.1097/md.0000000000000807] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Trigeminocardiac reflex (TCR) is defined as sudden onset of parasympathetic dysrhythmia including hypotension, apnea, and gastric hypermotility during stimulation of any branches of the trigeminal nerve. Previous publications imply a relation between TCR and depth of anesthesia. To gain more detailed insights into this hypothesis, we performed a systematic literature review.Literature about occurrence of TCR was systematically identified through searching in Cochrane Central Register of Controlled Trials (CENTRAL), PubMed (MEDLINE), EMBASE (Ovid SP), and the Institute for Scientific Information (ISI Web of Sciences) databases until June 2013, as well as reference lists of articles for risk calculation. In this study, TCR was defined as drop in mean arterial blood pressure and heart rate, both >20% to baseline. We calculated intraoperative cerebral state index (CSI) of each TCR-case using a newly developed method. These data were further divided into 3 subgroups: CSI <40 (deep anesthesia), CSI 40-60 (regular anesthesia), and CSI >60 (slight anesthesia).Including 45 studies with 910 patients, 140 (15%) presented with TCR, and 770 (85%) without TCR during operation. TCR occurrence showed a 1.2-fold higher pooled risk slighter anesthesia (CSI <40: 13%, at CSI 40-60: 21%, and at CSI >60: 27%) compared with deeper anesthesia. In addition, we could discover a 1.3-fold higher pooled risk of higher MABP drop with a strong negative correlation (r = -0.935; r = 0.89) and a 4.5-fold higher pooled risk of asystole during TCR under slight anesthesia compared with deeper anesthesia.Our work is the first systematic review about TCR and demonstrates clear evidence for TCR occurrence and a more severe course of the TCR in slight anesthesia underlying the importance of skills in anesthesia management during skull base surgery. Furthermore, we have introduced a new standard method to calculate the depth of anesthesia.
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Affiliation(s)
- Cyrill Meuwly
- From the University Hospital, 4031 Basel, Switzerland (CM, MR); Cardiology Luzerner Kantonsspital, 6000 Luzern, Switzerland (PE); Present address: Cardiology, St Anna Clinic, St Anna Strasse 32, 6006 Luzern, Switzerland (PE); Departments of Anesthesia and Perioperative Medicine, University of Manitoba, Winnipeg, Canada (TC); and Department of Research, University of Southampton, Southampton, UK (NS, BS)
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