We concluded that for H-BPPV patients with initial geotropic nystagmus, the FPP alone yielded an excellent treatment-control rate, and the barbecue-rotation maneuver was unnecessary. However, observing the nystagmus transformation of apogeotropic patients was necessary before administering treatment. For cupulolithiasis patients with the apogeotropic variant who did not respond to FPP treatment alone, we determined that the Gufoni maneuver was necessary as well.
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