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https://www.readbyqxmd.com/read/28121201/trigeminocardiac-reflex-in-cerebrovascular-surgery-a-review-and-an-attempt-of-a-predictive-analysis
#1
Nora Sandu, Tumul Chowdhury, Cyrill Meuwly, Bernhard Schaller
Trigemino-cardiac reflex (TCR) is a well-established neurogenic reflex that is primarily observed in many neurosurgical procedures, especially skull base surgery. Few management strategies have been highlighted in the literature; however, controversies still exist related to this topic. Areas covered: The authors present for the first time the results of a multivariable analysis to predict the TCR during cerebrovascular surgery. However, such first statistical results have not yet any impact on the treatment of the TCR, as correlation is not the cause...
January 25, 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/27994573/sudden-infant-death-syndrome-role-of-trigeminocardiac-reflex-a-review
#2
REVIEW
Gyaninder Pal Singh, Tumul Chowdhury, Barkha Bindu, Bernhard Schaller
Sudden infant death syndrome (SIDS) is an unexplained death in infants, which usually occurs during sleep. The cause of SIDS remains unknown and multifactorial. In this regard, the diving reflex (DR), a peripheral subtype of trigeminocardiac reflex (TCR), is also hypothesized as one of the possible mechanisms for this condition. The TCR is a well-established neurogenic reflex that manifests as bradycardia, hypotension, apnea, and gastric hypermotility. The TCR shares many similarities with the DR, which is a significant physiological adaptation to withstand hypoxia during apnea in many animal species including humans in clinical manifestation and mechanism of action...
2016: Frontiers in Neurology
https://www.readbyqxmd.com/read/27436213/asystole-during-onyx-embolization-of-a-pediatric-arteriovenous-malformation-a-severe-case-of-the-trigeminocardiac-reflex
#3
Kasra Khatibi, Omar Choudhri, Ian D Connolly, Ryan A McTaggart, Huy M Do
BACKGROUND: Trigeminal-cardiac reflex (TCR) from the stimulation of sensory branches of trigeminal nerve can lead to hemodynamic instability. This phenomenon has been described during ophthalmologic, craniofacial, and skull base surgeries. TCR has been reported rarely with endovascular onyx embolization of dural arteriovenous fistulas. CASE DESCRIPTION: We report a case of TCR during endovascular Onyx embolization of an arteriovenous malformation (AVM). A 16-year-old boy presented with a large cerebellar AVM with arterial feeders from the external carotid artery and posterior cerebral artery branches...
July 17, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27417184/trigeminocardiac-reflex-caused-by-selective-angiography-of-the-middle-meningeal-artery
#4
Takamitsu Tamura, David E Rex, Miklos G Marosfoi, Ajit S Puri, Matthew J Gounis, Ajay K Wakhloo
We describe an interesting case of trigeminocardiac reflex (TCR) caused by selective angiography of the middle meningeal artery (MMA). A 28-year-old woman presented with a symptomatic meningioma. Preoperative tumour embolisation was performed. In the procedure, when selective MMA angiography was done with Omnipaque 300 mg I/mL for 3 mL by manual injection, the patient complained of flashing lights in her eye followed by vomiting and bradycardia down to 40 bpm without increased intracranial pressure signs...
July 14, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27382015/trigeminocardiac-reflex-caused-by-selective-angiography-of-the-middle-meningeal-artery
#5
Takamitsu Tamura, David E Rex, Miklos G Marosfoi, Ajit S Puri, Matthew J Gounis, Ajay K Wakhloo
We describe an interesting case of trigeminocardiac reflex (TCR) caused by selective angiography of the middle meningeal artery (MMA). A 28-year-old woman presented with a symptomatic meningioma. Preoperative tumour embolisation was performed. In the procedure, when selective MMA angiography was done with Omnipaque 300 mg I/mL for 3 mL by manual injection, the patient complained of flashing lights in her eye followed by vomiting and bradycardia down to 40 bpm without increased intracranial pressure signs...
July 5, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27341858/sustained-trigeminocardiac-reflex-following-balloon-embolization-of-carotico-cavernous-fistula
#6
Shriram Varadharajan, Arvinda Hanumanthapura Ramalingaiah, Jitender Saini, Arun Kumar Gupta, Aarthi Swaminathan
No abstract text is available yet for this article.
October 2016: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27161455/trigeminal-cardiac-reflex-caused-by-onyx-embolization-of-intracranial-dural-arteriovenous-fistula
#7
Jian Wang, Huan-Cheng Wu, Wei-Wei Wang, Hong-Sen Zhao, Ri-Na Dao, Wei-Min Liu, Dong-Zhe Zhou, Hui-Yu Wang, Chao DU
Trigeminocardiac reflex (TCR) is a reflexive response of bradycardia, hypotension and gastric hypermotility which is observed upon mechanical stimulation in the distribution of the trigeminal nerve. Previous articles have described TCR during intracranial operations, ophthalmic surgery, microcompression of the trigeminal ganglion and radiofrequency lesioning of the trigeminal ganglion. TCR may occur during transarterial embolization of dural arteriovenous fistula (DAVF) with Onyx, leading to a significant decrease in heart rate under a standard anesthetic protocol...
2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27048202/how-to-apply-case-reports-in-clinical-practice-using-surrogate-models-via-example-of-the-trigeminocardiac-reflex
#8
EDITORIAL
Nora Sandu, Tumul Chowdhury, Bernhard J Schaller
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...
April 6, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/26807695/persistent-premature-atrial-contraction-as-the-sole-presentation-of-trigeminocardiac-reflex-during-radiofrequency-thermocoagulation
#9
Girija P Rath, Vivek B Sharma, Surya K Dube
No abstract text is available yet for this article.
January 22, 2016: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/26794400/trigeminocardiac-reflex-and-haemodynamic-changes-during-le-fort-i-osteotomy
#10
M T Kiani, G Tajik, M Ajami, H Fazli, M J Kharazifard, A Mesgarzadeh
The Le Fort I osteotomy is performed under general anaesthesia and specific haemodynamic conditions, i.e. hypotensive general anaesthesia. This study assessed the incidence of the trigeminocardiac reflex (TCR) during the different stages of the Le Fort I osteotomy. Forty-seven patients requiring a Le Fort I osteotomy were included. General anaesthesia was induced. In terms of haemodynamic changes, each patient's oxygen saturation (SpO2), mean arterial pressure (MAP), heart rate (HR), and electrocardiogram (ECG) were monitored by SADAAT Monitoring System and recorded during the different stages of osteotomy: before the induction of anaesthesia, before osteotomy cuts, after finishing the right pterygoid plate osteotomy, after finishing the left pterygoid plate osteotomy, and after performing down-fracture of the maxilla...
May 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/26669593/trigeminocardiac-reflex-during-the-endovascular-treatment-of-intracranial-vascular-disease-a-report-of-two-cases
#11
W-Z Zhou, G H Yang, S C Jung, D H Lee
No abstract text is available yet for this article.
September 2016: Clinical Neuroradiology
https://www.readbyqxmd.com/read/26656339/severe-bradycardia-during-neurosurgical-procedure-depth-of-anesthesia-matters-and-leads-to-a-new-surrogate-model-of-the-trigeminocardiac-reflex-a-case-report
#12
Tumul Chowdhury, Nitin Ahuja, Bernhard Schaller
Hemodynamic alterations are observed in various neurosurgical procedures and commonly related to different neurogenic mechanisms. However, anesthetic influences on causation of these perturbations or management are rarely investigated and therefore our present knowledge is still limited.In this case of 43-old Caucasian male, propofol boluses aborted the trigeminal cardiac reflex (TCR) induced severe bradycardia during dural manipulation. There is a correlation of severity of bradycardia and slightness of anesthesia...
December 2015: Medicine (Baltimore)
https://www.readbyqxmd.com/read/26607165/a-sudden-cardiac-asystole-and-cardiopulmonary-resuscitation-of-trigeminocardiac-reflex-during-retrosigmoid-approach-surgery
#13
LETTER
Xu Min, Bo Jixiang, Chen Pin, Wang Cunzu
No abstract text is available yet for this article.
September 2016: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/26492289/meta-areas-of-the-trigeminocardiac-reflex-within-the-skull-base-a-neuroanatomic-thinking-model
#14
Cyrill Meuwly, Tumul Chowdhury, Nora Sandu, Bernhard J Schaller
No abstract text is available yet for this article.
October 2016: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/26376385/functional-outcome-changes-in-surgery-for-pituitary-adenomas-after-intraoperative-occurrence-of-the-trigeminocardiac-reflex-first-description-in-a-retrospective-observational-study
#15
T Chowdhury, C Nöthen, A Filis, N Sandu, M Buchfelder, Bernhard Schaller
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...
September 2015: Medicine (Baltimore)
https://www.readbyqxmd.com/read/26224999/trigeminocardiac-reflex-a-reappraisal-with-relevance-to-maxillofacial-surgery
#16
REVIEW
Darpan Bhargava, Shaji Thomas, Nupur Chakravorty, Ashutosh Dutt
PURPOSE: The purpose of this paper was to undertake a review of literature on trigeminocardiac reflex in oral and maxillofacial online data-base and discuss the pathophysiology, risk factor assessment, presentation of the reflex, prevention, management with emphasis on the role of the attending anaesthetist and the maxillofacial surgeon. MATERIALS AND METHODS: The available literature relevant to oral and maxillofacial surgery in online data-base of the United States National Library of Medicine: Pubmed (http://www...
December 2014: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/26114985/sudden-bradycardia-and-hypotension-in-neurosurgery-trigeminocardiac-reflex-tcr-and-more
#17
LETTER
Smita Vimala, Appavoo Arulvelan
No abstract text is available yet for this article.
April 2016: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/25995761/the-trigeminocardiac-reflex-a-comparison-with-the-diving-reflex-in-humans
#18
Frederic Lemaitre, Tumul Chowdhury, Bernhard Schaller
The trigeminocardiac reflex (TCR) has previously been described in the literature as a reflexive response of bradycardia, hypotension, and gastric hypermotility seen upon mechanical stimulation in the distribution of the trigeminal nerve. The diving reflex (DR) in humans is characterized by breath-holding, slowing of the heart rate, reduction of limb blood flow and a gradual rise in the mean arterial blood pressure. Although the two reflexes share many similarities, their relationship and especially their functional purpose in humans have yet to be fully elucidated...
April 25, 2015: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/25950688/anesthetic-influence-on-occurrence-and-treatment-of-the-trigemino-cardiac-reflex-a-systematic-literature-review
#19
REVIEW
Cyrill Meuwly, Tumul Chowdhury, Nora Sandu, Martin Reck, Paul Erne, Bernhard Schaller
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...
May 2015: Medicine (Baltimore)
https://www.readbyqxmd.com/read/25685222/trigeminocardiac-reflex-may-mimic-symptoms-of-air-embolism
#20
Hemanshu Prabhakar
No abstract text is available yet for this article.
October 2014: Asian Journal of Neurosurgery
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