Complex sentence: A patient with a unilateral sensorineural hearing loss would hear the sound louder in the unaffected ear, because the affected ear is less effective at picking up sound even if it is transmitted directly by conduction into the inner ear.
Split into simpler sentences: A patient with a unilateral sensorineural hearing loss in an affected ear would hear the sound louder in the unaffected ear. This situation is because the affected ear is less effective at picking up sound even if it is transmitted directly by conduction into the inner ear.