Anatomy
What plane does the horizontal semicircular canal sit on?
Horizontal Plane
Which semicircular canal is most affected by BPPV?
Posterior
What type of study was the article?
Randomized Control Trail
Can you teach a patient to perform either the gufoni maneuver or BBQ roll maneuver independently at home, after it was found to be a successful treatment in the clinic?
Yes!
Which side do you have the patient roll for someone with R HC-BPPV for the Gufoni maneuver?
Left
What does BPPV stand for?
Benign Paroxysmal Positional Vertigo
What diagnostic test is done to diagnosis horizontal canal BPPV?
Supine Roll Test
What 2 maneuvers were compared in the study?
BBQ Roll Maneuver and Modified Lempert Maneuver
Which side do you have the patient roll for someone with R HC-BPPV for the BBQ roll maneuver?
Right
Why is the posterior semicircular canal most common canal to have BPPV?
Because it is the lowest, most gravity-dependent part of the inner ear in normal head positions
What structure cause the semicircular canals to become gravity sensitive with BBPV?
Otoconia / Crystals
What's a common action/movement that provokes HC-BPPV symptoms?
Rolling over in bed
What was the goal of this study?
To compare the effect of high-speed barbecue maneuver with a modified Lempert maneuver in a sham- controlled randomized trial for patients with horizontal canal BPPV
Which canal has the highest reoccurrence rate for BPPV?
Horizontal
What does the anterior semicircular canal detect?
Vertical rotational and angular acceleration, specifically nodding the head "yes"
What does the horizontal semicircular canal detect?
Rotational (angular) acceleration of the head when turning left and right / transverse plane
What are the 2 types of HC-BPPV?
Canalithiasis and Cupulolithiasis
(2 week recovery rate)
That the high-speed BBQ maneuver had the highest recovery rate out of the 3 groups.
The HSB group was statistically significant compared to the sham group (P=0.001)
Patient continues to experience symptoms after using the treatment maneuver for HC-BPPV. What would you next steps be?
Either redo the maneuver to see if original treatment was done correctly, or re-access if patient's BPPV is truly affecting the horizontal canal
What's the prevalence of Anterior Canal BPPV?
3%
What are the sensory receptors for the Otolithic Organs? And what do they contain?
Macula, which contain the otoconias/crystals
What is one common ways to get HC-BPPV?
- Head trauma
- Spontaneous degeneration (idiopathic)
- Canal Conversion
- Underlying ear or health conditions
What was the biggest take away from the article?
High-Speed BBQ maneuver MAY produce faster recovery rate compared to the modified lempert maneuver for patients with HC-BPPV
Name two maneuvers used to help treat HC-BPPV
BBQ Roll maneuver
Gufoni maneuver
Whats the difference between Canalithiasis and Cupulolithiasis?
Big difference is where the otoconia are located and how they affect the sensory sensor
Canalithiasis: The otoconias are free floating inside the horizontal fluid-filled canal
Cupulolithiasis: The otoconias are stuck or adhered directly onto the cupula at the end of the canal