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CJEM 2021 Mar 6. Epub 2021 Mar 6.

The Department of Emergency Medicine, Health Science North Research Institute, Northern Ontario School of Medicine, 41 Ramsey Lake Rd, Sudbury, ON, P3E 5J1, Canada.

Objectives: A simple bedside test, the Dix-Hallpike test (DHT), can reliably diagnose benign paroxysmal positional vertigo (BPPV) in patients with acute onset dizziness or vertigo. We evaluated patterns of DHT use by emergency physicians in patients presenting with dizziness and vertigo. Our objective was to assess the frequency and clinically appropriate use of the DHT in an emergency department. Read More

J Neurol Phys Ther 2021 Feb 24. Epub 2021 Feb 24.

Physical Therapy Department, University of the Sciences, Philadelphia, Pennsylvania (A.K.G.); Excel Physical Therapy, Blue Bell, Pennsylvania (A.T.); Willow Grove Physical Therapy, Willow Grove, Pennsylvania (M.F.); and WWS Physical Therapy and Vestibular Rehabilitation, Doylestown, Pennsylvania (W.W.S).

Background And Purpose: Individuals with benign paroxysmal positional vertigo (BPPV) are frequently referred to physical therapy for management, but little is known on how reliable therapists are at diagnosing BPPV. The purpose of the study was to examine the agreement between physical therapists in identifying nystagmus and diagnosing BPPV.

Methods: Thirty-eight individuals with complaints of positional vertigo, 19 from each of 2 clinics (clinics 1 and 2) that specialize in vestibular rehabilitation, had eye movements recorded using video goggles during positioning tests including supine-to-sit, supine roll, and Dix-Hallpike tests. Read More

Diagnostics (Basel) 2021 Feb 17;11(2). Epub 2021 Feb 17.

Department of Otorhinolaryngology-Head & Neck Surgery, CHA Bundang Medical Center, CHA University, Seongnam 13496, Korea.

Background: This study investigated relationship between multiple thyroid disorders and benign paroxysmal positional vertigo (BPPV), adjusting for levothyroxine medication.

Methods: The Korean National Health Insurance Service-Health Screening Cohort data from 2002 to 2015 were used. A total of 19,071 patients with BPPV were matched with 76,284 participants of a control group in a ratio of 1:4 for age, sex, income, and region of residence. Read More

Int J Environ Res Public Health 2021 Feb 24;18(5). Epub 2021 Feb 24.

Balance Disorders Unit, Department of Otolaryngology, Medical University of Lodz, 90-237 Lodz, Poland.

(1) Objectives: The evaluation of dizzy patients is difficult due to nonspecific symptoms that require a multi-specialist approach. The Dizziness Handicap Inventory (DHI) is widely used in the assessment of dizziness-related disability, but its clinical efficacy needs further expansion. The aim of this study was to identify the subscales of DHI that may correlate with some vestibular or nonvestibular dysfunctions. Read More

J Clin Med 2021 Feb 26;10(5). Epub 2021 Feb 26.

Department of Neurology, School of Medicine, Keimyung University, Daegu 42601, Korea.

Background: There have been several studies about head-shaking nystagmus (HSN) in posterior canal benign paroxysmal positional vertigo (PC-BPPV). The purpose of the study was to determine the characteristics of HSN and its relationship with head-bending nystagmus (HBN) and lying-down nystagmus (LDN) in PC-BPPV and to suggest a possible pathomechanism of HSN based on these findings.

Methods: During the study period, 992 patients with BPPV were initially enrolled. Read More