Naveen Naz Syed, Salman Naseem Adil, Raihan Sajid, Mohammad Usman, Bushra Moiz, Ghulam Nabi Kakepoto, Mohammad Khurshid.
Chronic ITP: Analysis of various factors at presentation which predict failure to first line treatment and their response to second line therapy.
J Pak Med Assoc Jul ;57(3):126-8.

Objective: To observe the significance of various factors in chronic idiopathic thrombocytopenic purpura (ITP) which predict the response of first line (corticosteroids) and second line therapy (splenectomy) and to evaluate their response to second line therapy. Methods: This was a descriptive, prospective study conducted from August 2004 till January 2006. Patients of all age groups and both genders with diagnosis of chronic ITP were included. Treatment protocol and criteria for response assessment was explained. Results: During 17 months period, 86 patients with chronic ITP were analyzed. Non-responders to first line therapy were 74 patients who ultimately required splenectomy. Complete response (CR) was had in 37 (50.7%) patients, 10 (13.7%) and 27 (36.5%) had partial response (PR) and no response (NR) respectively. Analysis of variables like younger age, sex and low platelet count at presentation failed to show any significant influence on response to first line treatment. However response to splenectomy was found to be higher in patients who had initial complete or partial response with steroids and later relapsed and the platelet count was more than 300x109/L on day 14 of surgery. Conclusion: Splenectomy remains the most effective treatment of chronic ITP. No significant factor was identified which predicted initial response to first line treatment. However patients who initially responded to steroids and had platelet counts above 300 X109/L about a fortnight after splenectomy showed promising results post-operatively (p=0.003 and p=0.001) (JPMA 57:126;2007).

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