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SAT0239 The Cumulative Number of Micro-Haemorrhages and Micro-Thrombosis in Nailfold Videocapillaroscopy Is A Good Predictor of Disease Activity in Systemic Sclerosis: A Validation Study of Nemo Score
  1. N. Del Papa1,
  2. R. Irace2,
  3. R. Andracco1,
  4. D. Sambataro1,
  5. S. Vettori2,
  6. F. Pignataro1,
  7. R. Ferrara2,
  8. E. Zaccara1,
  9. W. Maglione1,
  10. C. Vitali3,
  11. G. Valentini2
  1. 1U.O.C. Day Hospital Reumatologia, Osp. G. Pini, Milano
  2. 2Rheumatology Unit, Dept Internal Experimental Medicine, II University Naples, Napoli
  3. 3Sez. Reumatologia, Villa S. Giuseppe, Anzano del Parco, Como, Italy


Background In a previous study it has been shown shown that, in patients with systemic sclerosis (SSc), the cumulative number of micro-haemorrhages (MH) and micro-thrombosis (MT), computed in eight finger nailfold videocapillaroscopy (NVC), and called NEMO score, was strongly predictive of disease activity (DA) measured by means of European Scleroderma Study Group (ESSG) score. Even the number of giant capillaries (GC) was correlated to a lesser extent with the ESSG score, and then a modified (m) NEMO score was proposed in which the combined presence of a MH/MT and GC was considered [1].

Objectives The present study was aimed at validating NEMO score in different cohorts of patients.

Methods NEMO score and the total number of GC were assessed by eight finger NVC in 122 patients with SSc referring to the Rheumatic Disease Unit of the “Istituto G.Pini” of Milan, where the preliminary study had been carried out (internal validation). The same procedure was performed in 99 patients collected in a different centre, i.e., the Rheumatic Dept. of the II University of Naples (external validation). In all of the patients DA, measured by ESSG score, was assessed at the same time of NVC performance.

Results Demographic and clinical characteristics of the patients were summarised in Table 1. Table 2 shows the main statistical results obtained by the analysis of the two cohorts.

Table 1
Table 2

The mNEMO score does not add anything in terms of sensitivity and specificity to the performance of the simple NEMO score in predicting DA.

Conclusions This validation study confirms that the presence of a certain number of MH plus that of MT in eight finger NVC may represent a simple screening method to predict the presence of DA in patients with SSc.

  1. Sambataro D, et al. Arthritis Res & Ther 2014;16:462.

Disclosure of Interest None declared

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