{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T01:20:33Z","timestamp":1792718433249,"version":"4.5.0"},"reference-count":69,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2017,1,18]],"date-time":"2017-01-18T00:00:00Z","timestamp":1484697600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Sandhill Scientific"},{"name":"Medical Measurement Systems Ltd"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Neurogastroenterology Motil"],"published-print":{"date-parts":[[2017,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Ano\u2010rectal manometry (<jats:styled-content style=\"fixed-case\">ARM<\/jats:styled-content>) is the most commonly performed investigation for assessment of anorectal dysfunction. Its use is supported by expert consensus documents and international guidelines. Variation in technology, data acquisition, and analysis affect results and clinical interpretation. This study examined variation in <jats:styled-content style=\"fixed-case\">ARM<\/jats:styled-content> between institutions to establish the status of current practice.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A 50\u2010item web\u2010based questionnaire assessing analysis and interpretation of <jats:styled-content style=\"fixed-case\">ARM<\/jats:styled-content> was distributed by the International Anorectal Physiology Working Group via societies representing practitioners that perform <jats:styled-content style=\"fixed-case\">ARM<\/jats:styled-content>. Study methodology and performance characteristics between institutions were compared.<\/jats:p><\/jats:sec><jats:sec><jats:title>Key Results<\/jats:title><jats:p>One hundred and seven complete responses were included from 30 countries. Seventy\u2010nine (74%) institutions performed at least two studies per week. Forty\u2010nine centers (47%) applied conventional <jats:styled-content style=\"fixed-case\">ARM<\/jats:styled-content> (\u22648 pressure sensors) and 57 (53%) high\u2010resolution <jats:styled-content style=\"fixed-case\">ARM<\/jats:styled-content> (<jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">ARM<\/jats:styled-content>). Specialist centers were most likely to use <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">ARM<\/jats:styled-content> compared to regional hospitals and office\u2010based practice (63% vs 37%). Most conventional <jats:styled-content style=\"fixed-case\">ARM<\/jats:styled-content> systems used water\u2010perfused technology (34\/49); solid\u2010state hardware was more frequently used in centers performing <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">ARM<\/jats:styled-content> (44\/57). All centers evaluated rest and squeeze. There was marked variation in the methods used to report results of maneuvers. No two centers had identical protocols for patient preparation, setup, study, and data interpretation, and no center fully complied with published guidelines.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions &amp; Inferences<\/jats:title><jats:p>There is significant discrepancy in methods for data acquisition, analysis, and interpretation of <jats:styled-content style=\"fixed-case\">ARM<\/jats:styled-content>. This is likely to impact clinical interpretation, transfer of data between institutions, and research collaboration. There is a need for expert international co\u2010operation to standardize <jats:styled-content style=\"fixed-case\">ARM<\/jats:styled-content>.<\/jats:p><\/jats:sec>","DOI":"10.1111\/nmo.13016","type":"journal-article","created":{"date-parts":[[2017,1,19]],"date-time":"2017-01-19T03:57:01Z","timestamp":1484798221000},"source":"Crossref","is-referenced-by-count":96,"title":["Methods of anorectal manometry vary widely in clinical practice: Results from an international survey"],"prefix":"10.1111","volume":"29","author":[{"given":"E. V.","family":"Carrington","sequence":"first","affiliation":[{"name":"National Bowel Research Centre &amp; GI Physiology Unit Queen Mary University of London  London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H.","family":"Heinrich","sequence":"additional","affiliation":[{"name":"National Bowel Research Centre &amp; GI Physiology Unit Queen Mary University of London  London UK"},{"name":"Department of Gastroenterology and Hepatology University Hospital Z\u00fcrich  Z\u00fcrich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C. H.","family":"Knowles","sequence":"additional","affiliation":[{"name":"National Bowel Research Centre &amp; GI Physiology Unit Queen Mary University of London  London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S. S.","family":"Rao","sequence":"additional","affiliation":[{"name":"Division of Gastroenterology &amp; Hepatology Department of Internal Medicine Medical College of Georgia Augusta University  Augusta GA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Fox","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Hepatology University Hospital Z\u00fcrich  Z\u00fcrich Switzerland"},{"name":"Abdominal Center: Gastroenterology St. Claraspital  Basel Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S. 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