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Deprecated: Implicit conversion from float 259.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Muscle+Nerve 2021 ; 63 (6): 831-836 Nephropedia Template TP
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Telephone consultation for myasthenia gravis care during the COVID-19 pandemic: Assessment of a novel virtual myasthenia gravis index #MMPMID33792967
Menon D; Alnajjar S; Barnett C; Vijayan J; Katzberg H; Fathi D; Alcantara M; Bril V
Muscle Nerve 2021[Jun]; 63 (6): 831-836 PMID33792967show ga
INTRODUCTION/AIMS: The aim of the study was to determine the association between the virtual Myasthenia Gravis Impairment Index (vMGII) with other patient-reported outcomes (PROs) of myasthenia gravis (MG) and its usefulness in telephone consultations with MG patients. METHODS: This was a retrospective case series in which vMGII score along with virtual Single Simple Question (vSSQ), virtual Patient-Acceptable Symptom State PASS (vPASS) response, and patient disease status based on Myathenia Gravis Foundation of America postintervention status were collected during telephone consultation along with the MGII, SSQ, and PASS responses during the preceding in-person clinic visits. RESULTS: In 214 patients, the mean difference of vMGII between the vPASS "Yes" and "No" groups was -14.2 +/- 1.4 (95% confidence interval, -16.9 to -11.3; P < .001) with mean vMGII for vPASS "Yes" group being 6.4 +/- 7.7 and vPASS "No" being 20.5 +/- 11.5. A vMGII of 11.5 or higher predicted vPASS "yes" response with a sensitivity of 78.7% and specificity of 81.4%. A strong negative correlation was found between the vMGII and vSSQ (r = -.667; P < .001). The mean vMGII was 0.48 +/- 1.42 for patients in remission, and 9.31 +/- 10.93 for improved, 9.32 +/- 8.79 for stable, and 22.58 +/- 14.04 for worsened groups (P < .001). These associations were the same as those obtained during the preceding in-person clinic visit and the direction of change in MGII scores also indicated change in disease status. DISCUSSION: vMGII is an effective measure to assess an MG patient's disease status in telephone consultations and relates well with other PRO measures. The vMGII remains reliable for assessing MG disease status even with removal of the physical examination component.