The Japan Pediatric Helicobacter pylori Study Group published the first guidelines on childhood H. pylori infection in 1997. They were later revised by the Japanese Society for Pediatric Gastroenterology, Hepatology and Nutrition (JSPGHAN). The H. pylori eradication rates, when employing triple therapy with amoxicillin and clarithromycin, currently recommended as the first-line therapy of H. pylori infection in Japan, have substantially decreased, creating an important clinical problem worldwide. In Japanese adults, the "test-and-treat" strategy for H. pylori infection is under consideration as an approach for gastric cancer prevention. However, the combined North American and European pediatric guidelines have rejected such a strategy for asymptomatic children. As risk for gastric cancer development is high in Japan, determining whether the "test-and-treat" strategy can be recommended in children has become an urgent matter. Accordingly, the JSPGHAN has produced a second revision of the H. pylori guidelines, which includes discussion about the issues mentioned above. They consist of 19 clinical questions and 34 statements. An H. pylori culture from gastric biopsies is recommended, not only as a diagnostic test for active infection but for antimicrobial susceptibility testing to optimize eradication therapy. Based upon antimicrobial susceptibility testing of H. pylori strains (especially involving clarithromycin), an eradication regimen including use of the antibiotics to which H. pylori is susceptible is recommended as the first-line therapy against H. pylori-associated diseases. The guidelines recommend against a "test-and-treat" strategy for H. pylori infection for asymptomatic children to protect against the development of gastric cancer because there has been no evidence supporting this strategy.
International Headache Society published the International Classification of Headache Disorders 2nd Edition (ICHD‐II) in 2004. In response to this development, the “Clinical Practice Guideline for Chronic Headache” was compiled in Japan by the Study Group for Chronic Headache Clinical Practice Guideline Development. In 2006, the book entitled “The Clinical Practice Guideline for Chronic Headache (edited by Japanese Headache Society)” was published as the first edition. As triptans have become widely used, clinical practice for chronic headache has also been changed in Japan and there was a need to revise the first edition. Essentially based on the first edition, the new guideline has added the latest information and presented the concept of international standards of chronic headache care. This guideline included eight chapters and appendix: I. headache: general considerations, II. migraine, III. tension‐type headache, IV. trigeminal autonomic cephalalgias, V. other primary headache disorders, VI. medication‐overuse headache, VII. headaches in children, and VIII. genetics. We have published the second version in Japanese in 2013, but 1 month after we published the original guideline, the International Classification of Headache Disorders 3rd Edition beta version (ICHD‐3beta) was published. We changed this guideline to the new version in English based on ICHD‐3beta. This guideline is the final product of the Committee's efforts in 2015, which was opened in the home page of the Japanese Headache Society. This manuscript was written to show the main part of this guideline as Recommendation of each CQ. Among 121 CQs, only five CQ was selected to present full sentences including not only Recommendation but also other parts.
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