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Báo cáo y học: "A plea for balanced reporting"

Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học quốc tế cung cấp cho các bạn kiến thức về ngành y đề tài: A plea for balanced reporting. | Singer Critical Care 2010 14 414 http ccforum.eom content 14 2 414 CRITICAL CARE LETTER L_ A plea for balanced reporting Mervyn Singer See related research by Mayer etal. http ccforum.eom content 14 1 R18 I read with interest the study by Mayer and colleagues on intraoperative hemodynamic optimization using Flotrac Vigileo 1 however the imbalance in their discussion needs redressing. Citing a meta-analysis of esophageal Doppler cardiac output CO validation studies that I coauthored 2 they claimed this showed limited accuracy and that absolute CO measurements were found to be imprecise . Surprisingly they made no mention of a similar meta-analysis they published last year on the FloTrac Vigileo system 3 where the precision and bias of the second generation device were no better Clearly they wish to promote the device they use and believe in but it does no service to the medical and scientific community to misrepresent one technology over another. For example they make no mention of the limitations of the 12 pulse pressure variation value used to predict fluid responsiveness with tidal volumes 8 ml kg accuracy is only 51 4 yet they did not report tidal volumes delivered. Nor do they mention the inferior results reported last year in an independent comparison of the two devices undertaken for the French Agence d Evaluation des Produits de Sante 5 . They did acknowledge an overall reduction of hospital stay and complication rates in five Doppler-directed perioperative optimization studies actually nine such studies are published to date . Is this not at odds with the claimed imprecision They may be interested to learn of a recent UK National Health Service Technology Adoption Centre implementation project involving 1 247 surgical patients in 3 hospitals where these research findings could be reproduced in routine clinical practice with a 3-day reduction in hospital stay and fewer postoperative complications 6 . I openly declare my affection for the Doppler .