Browsing by Author "Michael, Pia"
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Item A Chair-based Abbreviated Repositioning Maneuver (ChARM) for fast treatment of posterior BPPV(2019) Michael, Pia; Muñoz, Daniel; Tuma, Anton; Gárate, Matías; Barraza, Cristian; Nuñez, Marcia; Breinbauer, HayoPurpose: To assess the effectiveness of a variation of the Epley maneuver, which we have titled "Chair-based Abbreviated Repositioning maneuver (ChARM)", in solving cases of benign positional paroxysmal vertigo (BPPV) of the posterior canal. ChARM addresses multiple issues of highly overloaded medical centers that delay its due and timely resolution. For example it does not necessitate an examination bed/table and requires only a backed chair, and less than 3 min to be performed. In combination with a recently published abbreviated diagnostic maneuver it can solve BPPV cases within few minutes of single medical visit. Methods: Patients being diagnosed with posterior BPPV by means of an abbreviated diagnostic maneuver were recruited. Immediately after diagnosis, a single attempt of ChARM was conducted. The patient was followed for 48 h and at 1 month after these procedures to assess the persistence of symptomatology. Results: 124 patients were treated with ChARM immediately after diagnosis during their very first medical visit. 92 patients (74.2%) solved their symptomatology completely after a single attempt of ChARM. The absence of symptoms persisted during the 30 days of follow-up. Discussion: ChARM showed high success rates in solving posterior BPPV. The entire diagnostic-treatment procedure takes less than 5 min to perform and may allow direct treatment of patients, thereby avoiding unnecessary referrals or full vestibular testing. These abbreviated tools may be particularly useful in primary care settings or heavily overloaded otolaryngology or neurology departments.Item An abbreviated diagostic maneuver for posterior benign positional paroxysmal vertigo(Frontiers Research Foundation, 2016) Michael, Pia; Estibaliz Oliva, Carolina; Nuñez, Marcia; Barraza, Cristian; Faundez, Juan; Breinbauer, HayoIntroduction Benign paroxysmal positional vertigo (BPPV) secondary to canalolithiasis of the posterior semicircular canal is perhaps the most frequent cause of vertigo and dizziness. One of its properties is a high response rate to canalith repositioning maneuvers. However, delays in the diagnosis and treatment of this entity can range from days to years, depending on the setting. Here, we present an abbreviated variation of the Dix–Hallpike maneuver, which can be used to diagnose this disease. It is similar to the standard maneuver but can be performed without an examination bed/table and requires only a backed chair (a difference that we feel is very important in settings where a clinical bed/table is not readily available). Methods A diagnostic assessment study was conducted in 163 patients who presented with vertigo or dizziness. Results The abbreviated test had fairly good sensitivity (80%) and high specificity (95%) for diagnosing posterior BPPV. Discussion This new diagnostic maneuver may serve as a screening procedure for quickly identifying this pathology. This will allow patients to be more directly treated, without requiring unnecessary referrals or full vestibular testing, and will be especially useful in primary care settings or heavily overloaded otolaryngology or neurology departments.