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  • Title: Disease course in steroid sensitive nephrotic syndrome.
    Author: Sinha A, Hari P, Sharma PK, Gulati A, Kalaivani M, Mantan M, Dinda AK, Srivastava RN, Bagga A.
    Journal: Indian Pediatr; 2012 Nov; 49(11):881-7. PubMed ID: 22791676.
    Abstract:
    OBJECTIVE: To review the disease course in patients with steroid sensitive nephrotic syndrome (SSNS) and the factors that determine outcome DESIGN: Retrospective, analytical SETTING: Pediatric Nephrology Clinic at referral center in North India PARTICIPANTS/PATIENTS: All patients with SSNS evaluated between 1990 and 2005 INTERVENTION: None MAIN OUTCOME MEASURES: Disease course, in patients with at least 1-yr follow up, was categorized as none or infrequent relapses (IFR), frequent relapses or steroid dependence (FR), and late resistance. Details on complications and therapy with alternative agents were recorded. RESULTS: Records of 2603 patients (74.8% boys) were reviewed. The mean age at onset of illness and at evaluation was 49.7±34.6 and 67.5±37.9 months respectively. The disease course at 1-yr (n=1071) was categorized as IFR in 37.4%, FR in 56.8% and late resistance in 5.9%. During follow up, 224 patients had 249 episodes of serious infections. Alternative medications for frequent relapses (n=501; 46.8%) were chiefly cyclophosphamide and levamisole. Compared to IFR, patients with FR were younger (54.9±36.0 vs. 43.3±31.4 months), fewer had received adequate (=8 weeks) initial treatment (86.8% vs. 81.7%) and had shorter initial remission (7.5±8.6 vs. 3.1±4.8 months) (all P<0.001). At follow up of 56.0±42.6 months, 77.3% patients were in remission or had IFR, and 17.3% had FR. CONCLUSIONS: A high proportion of patients with SSNS show frequent relapses, risk factors for which were an early age at onset, inadequate initial therapy and an early relapse.
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