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This study sought to comprehend the relationship between syncope and dental related therapy. If the relationship between dental related therapies and syncope is proved, clinical dentists will be remained to monitor changes of patient's blood pressure during root canal procedure.
This study sought to comprehend the relationship between syncope and dental related therapy. If the relationship between dental related therapies and syncope is proved, clinical dentists will be remained to monitor changes of patient's blood pressure during root canal procedure.
Previous Trigemino-Cardiac Reflex(TCR) related studies reported that stimulation of trigeminal nerve induces trigeminal nerve reflection, and then causes blood pressure rapidly decreasing. Finally, sudden blood pressure decreasing results in syncope. Clinical data has been collected and analyzed in the past four months, and the primary results showed significantly difference. This phenomenon may be probably observed in other dental treatments. Hence, the objective of this study is to remind clinical dentists to monitor patients' physical conditions when conducting root canal relevant treatments and to avoid situations such as syncope, and reduce medical disputes and benefit dentists and patient as a result. In the recent year, syncope often occurs during denture procedures. The value of this study will inform clinical dentist to notice risk of dental relative treatments. In addition, it will improve patients' safety.
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Observational Study | Other | Observational Study |
| Measure | Description | Time Frame |
|---|---|---|
| Mean Arterial Blood Pressure(MABP) lower than 20% | Through routine dental treatment completion, an average of 1 hour | |
| Heart Rate (HR): lower than 60 beats/ minute | Through routine dental treatment completion, an average of 1 hour |
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Inclusion Criteria:
Exclusion Criteria:
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Investigators collected data from adult patients who agreed to participate in the study and accepted relevant treatments including filling, extraction, scaling, implant, and crown bridge preparation (no more than 500 patients in each treatment item) before September 2016. Previous studies shows that TCR is more often happen in young patients. Therefore, to avoid ethical issue, adult patients are more suitable in this study.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Tsui Hsien Huang, Ph.D | Contact | +886 919 707 088 | thh@csmu.edu.tw | |
| Yi Sheng Huang | Contact | +886 910 320 616 | jamestda@ms79.hinet.net |
| Name | Affiliation | Role |
|---|---|---|
| Tsui Hsien Huang, Ph.D | CSMU | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Chung Shan Medical University Hospital | Recruiting | Taichung | Taiwan |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 23332411 | Background | Schipke JD, Cleveland S, Caspers C. Computer-assisted paranasal sinus operation induces diving bradycardia. Am J Otolaryngol. 2013 Jul-Aug;34(4):353-4. doi: 10.1016/j.amjoto.2012.12.004. Epub 2013 Jan 14. | |
| 22240287 | Background | Yorgancilar E, Gun R, Yildirim M, Bakir S, Akkus Z, Topcu I. Determination of trigeminocardiac reflex during rhinoplasty. Int J Oral Maxillofac Surg. 2012 Mar;41(3):389-93. doi: 10.1016/j.ijom.2011.12.025. Epub 2012 Jan 11. |
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| ID | Term |
|---|---|
| D011671 | Pulpitis |
| D013575 | Syncope |
| ID | Term |
|---|---|
| D003788 | Dental Pulp Diseases |
| D014076 | Tooth Diseases |
| D009057 | Stomatognathic Diseases |
| D014474 | Unconsciousness |
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| ID | Term |
|---|---|
| D019370 | Observation |
| ID | Term |
|---|---|
| D008722 | Methods |
| D008919 | Investigative Techniques |
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| 19615657 | Background | Bohluli B, Ashtiani AK, Khayampoor A, Sadr-Eshkevari P. Trigeminocardiac reflex: a MaxFax literature review. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2009 Aug;108(2):184-8. doi: 10.1016/j.tripleo.2009.03.050. |
| 20347202 | Background | Lubbers HT, Zweifel D, Gratz KW, Kruse A. Classification of potential risk factors for trigeminocardiac reflex in craniomaxillofacial surgery. J Oral Maxillofac Surg. 2010 Jun;68(6):1317-21. doi: 10.1016/j.joms.2009.12.039. Epub 2010 Mar 29. |
| 9950491 | Background | Schaller B, Probst R, Strebel S, Gratzl O. Trigeminocardiac reflex during surgery in the cerebellopontine angle. J Neurosurg. 1999 Feb;90(2):215-20. doi: 10.3171/jns.1999.90.2.0215. |
| D003244 |
| Consciousness Disorders |
| D019954 | Neurobehavioral Manifestations |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |