AI Article Synopsis
- Flexible laryngoscopy (FL) is the standard method for diagnosing vocal cord paralysis (VCP), but it can be uncomfortable for patients; dynamic digital radiography (DDR) offers a less invasive alternative with better ease of use.
- A study involving 78 patients showed that DDR had 67% sensitivity and 100% specificity for diagnosing VCP, with a critical vocal cord movement (VCM) cutoff of 2.4 mm.
- DDR showed promise for diagnosing postoperative VCP and predicting which patients might develop permanent VCP, with impressive results regarding the detection of transient VCP.
Article Abstract
Background: Although flexible laryngoscopy (FL) is the reference modality for diagnosing vocal cord paralysis (VCP), FL involves patient discomfort and insertion intolerance. Dynamic digital radiography (DDR) with high spatial and temporal resolution is easier to use and less invasive when evaluating VCP.
Methods: Seventy-eight patients underwent FL and DDR before and after neck surgery. Qualitative and quantitative vocal cord movement (VCM) evaluations were conducted. Patients with postoperative VCP were followed-up regularly.
Results: DDR exhibited diagnostic performance with 67% sensitivity and 100% specificity. The cutoff for VCM was 2.4 mm, with DDR exhibiting 100% sensitivity and 78% specificity. All cords with transient VCP had positive VCM at both 3 weeks and 2 months. Additionally, 50% and 75% of cords with permanent VCP had negative VCM at 3 weeks and 2 months, respectively.
Conclusions: DDR is promising for the diagnosis of postoperative VCP and early prediction of permanent postoperative VCP.
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| http://dx.doi.org/10.1002/hed.27756 | DOI Listing |
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