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Unilateral posterior canal benign paroxysmal positional vertigo (BPPV) cases will be randomized to treat with single or multiple cycles of canalith repositioning procedure.The treatment outcomes will be assessed at 7th and 28th days.
Patients present with brief episodes of vertigo will be evaluated by Dix-Hallpike test. Cases with positive Dix-Hallpike test, unilateral, posterior canal, will be randomized with block of four. Either single or multiple cycles of canalith repositioning procedure will be performed. Four treatment outcomes will be blindly assessed at 7 and 28 days.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Single cycle | Experimental | single cycle of canalith repositioning procedure |
|
| multiple cycles of CRP | Experimental | multiple cycles of canalith repositioning procedure CRP will be stopped if 1) no nystagmus and vertigo in all positions 2) complications exited 3) stable nystagmus in the 2 last cycles |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Canalith repositioning procedure | Procedure | Canalith repositioning procedure; single or multiple cycles |
|
| Measure | Description | Time Frame |
|---|---|---|
| Dix-Hallpike test (DHT) | percentage of negative DHT between single and multiple cycles | At 7th day |
| Measure | Description | Time Frame |
|---|---|---|
| Dizziness handicap inventory (DHI) | total score in the questionaire | compare to the first visit at 7th between single and multiple cycles |
| Dizziness handicap inventory (DHI) | total score in the questionaire |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Suwicha I Kaewsiri, MD | Contact | 66-816802036 | suwicha.kaewsiri@cmu.ac.th | |
| Sanathorn Chowsilpa, MD | Contact | 66-53935562 | sanathornch@hotmail.com |
| Name | Affiliation | Role |
|---|---|---|
| Suwicha I Kaewsiri, MD | Department of Otolaryngology | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Otolaryngology Faculty of Medicine, Chiang Mai University 110 Intawaroros Road, Sriphum | Recruiting | Chiang Mai | 50200 | Thailand |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 18973840 | Result | Bhattacharyya N, Baugh RF, Orvidas L, Barrs D, Bronston LJ, Cass S, Chalian AA, Desmond AL, Earll JM, Fife TD, Fuller DC, Judge JO, Mann NR, Rosenfeld RM, Schuring LT, Steiner RW, Whitney SL, Haidari J; American Academy of Otolaryngology-Head and Neck Surgery Foundation. Clinical practice guideline: benign paroxysmal positional vertigo. Otolaryngol Head Neck Surg. 2008 Nov;139(5 Suppl 4):S47-81. doi: 10.1016/j.otohns.2008.08.022. | |
| 32947492 |
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| Type | Date | Date Unknown |
|---|---|---|
| Release | Jul 27, 2021 | |
| Reset | Aug 20, 2021 | |
| Release | Jul 13, 2022 | |
| Reset | May 11, 2023 | |
| Release | Aug 29, 2023 | |
| Reset | Mar 19, 2024 |
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| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
|---|---|---|---|---|
| Jul 27, 2021 | Aug 20, 2021 | |||
| Jul 13, 2022 |
| ID | Term |
|---|---|
| D065635 | Benign Paroxysmal Positional Vertigo |
| ID | Term |
|---|---|
| D014717 | Vertigo |
| D015837 | Vestibular Diseases |
| D007759 | Labyrinth Diseases |
| D004427 | Ear Diseases |
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| compare to the first visit at 28th day between single and multiple cycles |
| Subjective symptoms | Asking the patient's symptom: Improve, same, worse | Improvement of the symptoms compare to the first visit at 7th day between single and multiple cycles |
| Subjective symptoms | Asking the patient's symptom: Improve, same, worse | Improvement of the symptoms compare to the first visit at 28th day between single and multiple cycles |
| Loss of balance | 5 levels Level 1: Able to continue daily activities without any helps. Level 2: Able to continue daily activities without any helps except complicated activities such as riding a bicycle, walking on counterpoise or scaffolding. Level 3: Not able to continue daily activities without help excepts simple activities such as self-care, housework, walking, or being a passenger in a vehicle Level 4: Not able to continue daily activities alone without help except self-care Level 5 Not able to continue daily activities alone without help except self-care without ambulation. Need to stay only in a house or a living place. (From: The Royal college of Otolaryngologists head and neck surgeons of Thailand, and social security office of thailand) | compare to the first visit at 7th between single and multiple cycles |
| Loss of balance | 5 levels Level 1: Able to continue daily activities without any helps. Level 2: Able to continue daily activities without any helps except complicated activities such as riding a bicycle, walking on counterpoise or scaffolding. Level 3: Not able to continue daily activities without help excepts simple activities such as self-care, housework, walking, or being a passenger in a vehicle Level 4: Not able to continue daily activities alone without help except self-care Level 5 Not able to continue daily activities alone without help except self-care without ambulation. Need to stay only in a house or a living place. (From: The Royal college of Otolaryngologists head and neck surgeons of Thailand, and social security office of thailand) | compare to the first visit at 28th day between single and multiple cycles |
| Dix-Hallpike test (DHT) | percentage of negative DHT between single and multiple cycles | At 28th day |
| Derived |
| Isaradisaikul SK, Chowsilpa S, Hanprasertpong C, Rithirangsriroj T. Single Cycle Versus Multiple Cycles of Canalith Repositioning Procedure for Treatment of Posterior Canal Benign Paroxysmal Positional Vertigo: A Randomized Controlled Trial. Otol Neurotol. 2021 Jan;42(1):121-128. doi: 10.1097/MAO.0000000000002894. |
| May 11, 2023 |
| Aug 29, 2023 | Mar 19, 2024 |
| D010038 |
| Otorhinolaryngologic Diseases |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |