Re-evaluating the lying-down test: a step-saving and well-tolerated diagnostic adjunct for horizontal canal benign paroxysmal positional vertigo - Takeaways - MDSpire

Re-evaluating the lying-down test: a step-saving and well-tolerated diagnostic adjunct for horizontal canal benign paroxysmal positional vertigo

  • By

  • Kai Xia

  • Rui Gao

  • Xiaodi Zhang

  • Xiaoxiao Yan

  • Dandan He

  • May 25, 2026

  • 0 min

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  • 1

    The lying-down test (LDT) is proposed as a more tolerable alternative to the supine roll test (SRT) for diagnosing horizontal canal benign paroxysmal positional vertigo (HC-BPPV).

  • 2

    In a study of 209 patients with HC-BPPV, the overall positive rate of LDT was 60.3%, with a side-determination accuracy of 96.7%.

  • 3

    The first LDT (fLDT) positive rate was 44.5%, with canalithiasis patients showing superior diagnostic efficiency compared to fLDT-negative patients.

  • 4

    Older age (≥60 years) was identified as an independent predictor of a positive LDT response in canalithiasis HC-BPPV.

  • 5

    The study suggests that the LDT could be integrated into clinical practice alongside SRT for improved diagnosis of HC-BPPV.

Original Source(s)

Re-evaluating the lying-down test: a step-saving and well-tolerated diagnostic adjunct for horizontal canal benign paroxysmal positional vertigo

  • by Kai Xia, Rui Gao, Xiaodi Zhang, Xiaoxiao Yan, Dandan He

  • May 25, 2026

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