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How to assess blepharoptosis via telemedicine: method and its reliability
Ofira Zloto1, Victor Paiusco2, Fabiola Murta3
1Adnexal Service, Moorfields Eye Hospital, London, EC1V 2PD, England, UK. ozloto@gmail.com.
Purpose:
To report the method to assess belpahroptosis and its reliability of adult ptosis using video consultation.
Methods:
This is a retrospective, comparative, case series. The surgical waiting list for ptosis surgery between 8/2020 and 1/2021 was checked and only cases listed for surgery via video consultation assessment, without any previous face-to-face consultation, were included. The following data were collected for patients who underwent video consultation before surgery: Demographic data, level of experience of clinician, levator function, Cogan's twitch sign, fatigability test, eye motility, presence of lagophthalmos, clinical history to rule out Myasthenia Gravis, other myopathies or Horner syndrome, whether the surgery was performed or canceled, reason for cancellation, date of surgery, type of procedure and surgeon experience.
Results:
A total of 176 patients underwent ptosis surgery. From those, 45 patients (25.6%) had only video assessment prior to surgery, 36 patients (80%) eventually underwent ptosis surgery. Surgery was canceled in 20% of the cases: in 2 cases (4.44%) due to misdiagnosis of ptosis during video consultation, confirmed on the day of surgery during pre-surgical face-to-face assessment; the other 7 cases (15.55%) belpharoptosis was confirmed on face-to-face examination but the surgery was canceled due to other reasons. The diagnosis of ptosis assessment via video consultation was corrected in 43 cases (95%) (p_value = 0.156, chi_ square). The accuracy of ptosis diagnosis was 13 out of 15 (86.7%) by fellow assessments and 30 out of 30 (100%) by consultant assessments (p_value = 0.041, chi_ square). In most of the cases ptosis assessment in video consultation included: rough judgment of levator function, eye motility and checking signs of lagophthalmos.
Conclusions:
Video consultation is an efficient and reliable way to assess patients with ptosis, with 95% of reliability. Although a thorough ptosis assessment is advised, there was no difference between the accuracy of diagnosis on those who did not have the full suggested assessment.
