Effects of stylet use during tracheal intubation on postoperative pharyngeal pain in anesthetized patients: A prospective randomized controlled trial

Komasawa, Nobuyasu; Nishihara, Isao; Minami, Toshiaki

doi:10.1016/j.jclinane.2017.01.032

Cited by 11 publications

(14 citation statements)

References 18 publications

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“…But the previous study did by Nobuyasu Komasawa et al (10) suggested that the incidence of post-operative pharyngeal pain was raised in the stylet group (10/20 patients) about 50% than in the control group (2/30 patients) about 6.6%. This study shows identical results to our clinical trial.…”

Section: Discussionmentioning

confidence: 82%

“…After this we enrolled total number of 386 (100%) patients. Sample size was calculated from WHO's website sample calculation for two proportions with following figures CI 95%, Power, 80%, P1 50% and P2 6.66 (10). Patients need endotracheal intubation with help of stylet, from age group 15-45 years of both genders were included in the study, while patients with congenital abnormalities, ENT, oral surgery, facial injury, and above, and those in which endotracheal not placed for general anesthesia were excluded from study.…”

Section: Methodsmentioning

confidence: 99%

“…In a study Nobuyasu et al (10) suggested that the stylet use in the tracheal intubation is very contributing in the post-operative pharyngeal pain. According to this, there was significantly.…”

Section: Introductionmentioning

confidence: 99%

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Is Stylet Use During Intubation Associated with Post Intubation Complications

2019

JMPB

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The basic objective is to evaluate the impacts of placing stylet during tracheal intubation on the postoperative pharyngeal pain in anesthetized patients. Methodology: This randomized control trail was conducted in the department of Anesthesia and ICU, Ch. Pervaiz Ellahi Institute of Cardiology and Nishter Hospital Multan from May 2017 to December 2018. All these patients were divided into two groups group S (stylet group) and group C (control group) by lottery method. All the data was entered and analyzed by the computer software SPSS version 23.2. Results: A total number of 100% (n=386) patients were included in this study, both genders. Gender distribution showed that there were more males than females i.e. 56.2% (n=217) and 43.8% (n=169) respectively. The main outcome variables of this study were pharyngeal pain, airway maintenance and sore throat. It was also noted that group (S) showed easy airway maintenance in 95.9% (n=185) patients. It was observed that, in group (S), 63.2% (n=122) patients were complained from sore throat and 67.4% (n=130) were complained about pharyngeal pain. While on the other hand, in group (C), only 8.3% (n=16) patients were complained about sore throat and 11.4% (n=22) were complained about pharyngeal pain Conclusion: Use of stylet during endotracheal intubation decreases the incidences multiple attempts and make the airway maintenance easy for the anesthetist but on the other side it have complications like sore throat and post intubation pharyngeal pain than those patients in which stylet was not usede.

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Section: Discussionmentioning

confidence: 82%

Section: Methodsmentioning

confidence: 99%

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Is Stylet Use During Intubation Associated with Post Intubation Complications

2019

JMPB

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“…In addition to laryngeal complications due to the use of a stylet, breakage of the stylet has also been reported . Therefore, the routine use of a stylet is not recommended .…”

Section: Discussionmentioning

confidence: 99%

“…The intubating stylet is widely used to facilitate tracheal intubation . Although stylets improve manoeuvrability of the tracheal tube, the rigidity of the styletted tube can damage the larynx , which can constitute ~33% of all postoperative airway complications . Although the precise mechanism is uncertain, use of the stylet may be a contributing factor.…”

Section: Introductionmentioning

confidence: 99%

Removal methods of rigid stylets to minimise adverse force and tracheal tube movement: a mathematical and in‐vitro analysis in manikins

et al. 2019

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Summary This study investigated displacement of the tracheal tube caused by different methods of intubating stylet removal, using in‐vitro experiments and mathematical analysis. In the first in‐vitro experiment, we measured the distance travelled by the tube tip during stylet extraction. Then, we investigated the ideal technique for stylet extraction using mathematical analysis, which would cause minimal tube displacement. Then, using a training manikin, we measured the force applied to the vocal cords and stylet extraction force during tracheal intubation. When the stylet was extracted along a straight path towards the stylet end, the distance travelled by the tube tip significantly increased as the bending angle increased. Mathematical analysis revealed that the stylet should be diagonally extracted (in the sagittal plane) at an appropriate angle, rather than along a straight path towards the direction of the stylet end. In simulated tracheal intubation, extraction force and force applied to the vocal cords both significantly increased as the bending angle increased. Compared with the ‘hockey stick’‐shaped stylet, the arcuate‐shaped stylet resulted in reduced force. Our results indicate the potential risk for vocal cord injury when using hockey stick‐shaped stylets with large bending angles.

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Assessing effects of intubating stylet use on early postoperative pharyngeal pain

Xue

Liu

et al. 2017

Journal of Clinical Anesthesia

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Effects of stylet use during tracheal intubation on postoperative pharyngeal pain in anesthetized patients: A prospective randomized controlled trial

Cited by 11 publications

References 18 publications

Is Stylet Use During Intubation Associated with Post Intubation Complications

Is Stylet Use During Intubation Associated with Post Intubation Complications

Removal methods of rigid stylets to minimise adverse force and tracheal tube movement: a mathematical and in‐vitro analysis in manikins

Assessing effects of intubating stylet use on early postoperative pharyngeal pain

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