tag:blogger.com,1999:blog-12660458.post115151849431077553..comments2023-09-01T10:33:09.297-04:00Comments on Pulmonary Roundtable: Sweat testUnknownnoreply@blogger.comBlogger4125tag:blogger.com,1999:blog-12660458.post-1151522233476728972006-06-28T15:17:00.000-04:002006-06-28T15:17:00.000-04:00One more suggestion is to test nasal potential dif...One more suggestion is to test nasal potential difference since there are rare cases of CF with negative sweat test and the commercial CF gene analysis will identify about 93% of patients with CF but may miss very rare alleles.Baleeirohttps://www.blogger.com/profile/03993066135160692535noreply@blogger.comtag:blogger.com,1999:blog-12660458.post-1151521858888303982006-06-28T15:10:00.000-04:002006-06-28T15:10:00.000-04:00How many times have you had a sweat chloride test ...How many times have you had a sweat chloride test and was it done at a national well-established center with CF experience?Baleeirohttps://www.blogger.com/profile/03993066135160692535noreply@blogger.comtag:blogger.com,1999:blog-12660458.post-1151520697897518112006-06-28T14:51:00.000-04:002006-06-28T14:51:00.000-04:00I found this statement on UpToDate though no refer...I found this statement on UpToDate though no reference: "Another problem [with sweat chloride test]is that hypoproteinemic edema and concurrent administration of steroids can lead to a false decrease in the sweat chloride concentration."Baleeirohttps://www.blogger.com/profile/03993066135160692535noreply@blogger.comtag:blogger.com,1999:blog-12660458.post-1151520487142001082006-06-28T14:48:00.000-04:002006-06-28T14:48:00.000-04:00I don't know of data on that. The gene analysis i...I don't know of data on that. The gene analysis is encouraging though.Baleeirohttps://www.blogger.com/profile/03993066135160692535noreply@blogger.com