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001-es BibID:	BIBFORM007054
Első szerző:	Bodolay Edit (belgyógyász, allergológus és klinikai immunológus)
Cím:	Evaluation of interstitial lung disease in mixed connective tissue disease (MCTD) / Bodolay, E., Szekanecz, Z., Devenyi, K., Galuska, L., Csipo, I., Vegh, J., Garai, I., Szegedi, G.
Dátum:	2005
ISSN:	1462-0324
Megjegyzések:	Interstitial lung disease (ILD) may be a characteristic, often serious, manifestation of mixed connective tissue disease (MCTD). In this retrospective study, the frequency and clinical picture of ILD were determined in patients with MCTD using two diagnostic tests: high-resolution computed tomography (HRCT) and inhaled aerosol clearance times of (99m)Tc-labelled diethylene-triamine pentaacetate ((99m)Tc-DTPA). In addition, pulmonary function, effects of therapy and a variety of immunoserological markers were also assessed. METHODS: One hundred and forty-four consecutive patients with MCTD were selected from the clinic, irrespective of the presence or absence of ILD. All patients underwent a detailed clinical assessment, chest HRCT scanning, chest radiography, inhaled aerosol of (99m)Tc-DTPA clearance times, and all pulmonary function tests. Patients who had active ILD received corticosteroid (CS) or CS in combination with cyclophosphamide (CPH). All investigations were repeated after 6 months of immunosuppressive therapy. RESULTS: Ninety-six out of 144 MCTD patients (66.6%) had active ILD, 75 of this group (78.1%) showed ground glass opacity, 21 patients (21.8%) ground glass opacity with mild fibrosis with HRCT. Forty-five patients with active ILD received 2 mg/kg/day CS for 6-8 weeks alone and 51 patients CS in combination with CPH (2 mg/kg/day). Six months later, after therapy, 67 out of 96 MCTD patients with ILD (69.8%) showed a negative HRCT pattern, ground glass opacity with mild fibrosis developed in 15 patients (15.6%), and fibrosis was detected in 13 patients (13.5%). Only one patient showed subpleural honeycombing. (99m)Tc-DTPA was rapid in all 96 MCTD patients with active ILD (28.7 +/- 8.2 min, normal value >40 min). After therapy the (99m)Tc-DTPA was normalized, 79 out of 96 patients (82.3%). Carbon monoxide diffusion capacity (DLCO) was reduced in 33 out of 96 MCTD patients with active ILD (34.3%), while there were no significant differences in the pulmonary function tests between the active versus inactive stage of ILD or versus patients without ILD. The sera of 96 MCTD patients with active ILD contained a high level of immune complexes (ICs), and the total haemolytic complement levels (CH50/ml U) decreased. After 6 months of therapy, the IC levels decreased and CH50/ml levels normalized (MCTD patients before and after active ILD: IC optical density = 355 +/- 227 vs 206 +/- 92, P<0.001; CH50/ml, 38.0 +/- 12.6 U vs 64.3 +/- 13.0 U, P<0.001). CONCLUSIONS: HRCT is the gold standard for diagnosis of ILD. However, we used another method, (99m)Tc-DTPA, in order to compare this technique with HRCT. This latter technique has not been studied previously in MCTD. The elevated levels of IC and increased complement consumption indicated that IC-mediated alveolocapillary membrane damage and tissue injury might play a role in the pathogenesis of ILD in MCTD.
Tárgyszavak:	Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban Adult Aged Cyclophosphamide Drug Therapy, Combination Female Glucocorticoids Humans Lung Diseases, Interstitial imaging Male Methylprednisolone Middle Aged Mixed Connective Tissue Disease Radiopharmaceuticals Respiratory Function Tests Retrospective Studies Technetium Tc 99m Pentetate Tomography, X-Ray Computed egyetemen (Magyarországon) készült közlemény
Megjelenés:	Rheumatology (Oxford). - 44 : 5 (2005), p. 656-661. -
További szerzők:	Szekanecz Zoltán (1964-) (reumatológus, belgyógyász, immunológus) Dévényi Katalin Galuska László (1946-) (belgyógyász, izotópdiagnoszta) Csípő István (1953-) (vegyész) Végh Judit (1968-) (belgyógyász, kardiológus) Garai Ildikó (1966-) (radiológus) Szegedi Gyula (1936-2013) (belgyógyász, immunológus)
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