… AHLQUIST, S SCHWARTZ, J ISAACSON, M … - Annals of internal …, 1988 - Am Coll Physicians Despite widespread fecal blood testing, the technique of gathering stool for sampling has remained
uncontrolled. We sought to describe how patients have contended with this awkward step, to
study artifact caused by toilet water, and to construct a collection device that prevents ... Cited by 21 - Related articles - All 4 versions
M Goldschmiedt, DA Ahlquist, HS Wieand, DB … - Digestive Diseases and …, 1988 - Springer Hemoglobin-heme is variably converted to porphyrin during enterocolic transit. This intestinal
converted fraction, as measured by HemoQuant, was elevated as a predictor of the occult bleeding
site in 152 patients with discrete lesions. The intestinal converted fraction, expressed as ... Cited by 16 - Related articles - All 3 versions
DA Ahlquist, DB McGill, S Schwartz, WF … - Annals of internal …, 1984 - Am Coll Physicians HemoQuant, an assay based on heme-derived porphyrin, quantifies both total fecal hemoglobin
and that fraction already converted to porphyrin by gut flora (the intestinal converted
fraction). Recovery by HemoQuant of blood added to stools exceeded 99% and was not ... Cited by 48 - Related articles - All 5 versions
GC Harewood, DA Ahlquist - Digestive Diseases, 2000 - content.karger.com Fecal occult blood (FOB) tests have been evaluated primarily for the application of colorectal
cancer screening. Less is known about the performance characteristics of FOB tests for the evaluation
of iron deficiency, the most common other application. As most clinically important occult ... Cited by 6 - Related articles - BL Direct - All 4 versions
- ►nih.gov [PDF] MB Leahy, MJ Pippard, MB Salzmann, MG Rinsler, … - British Medical …, 1991 - jcp.bmj.com Abstract Blood loss in faeces was assessed by three different methods in five patients with recurrent
iron deficiency. In short term (12 day) studies chemical analysis of complete stool collections
for haem- derived porphyrins (HemoQuant) gave results closely correlated with those ... Cited by 6 - Related articles - All 7 versions
JH Dybdahl, LNW Daae, S Larsen, J Myren - Scandinavian journal of …, 1984 - cat.inist.fr Occult faecal blood loss determined by a 51 Cr method and chemical tests in patients referred
for colonoscopy. JH DYBDAHL, LNW DAAE, S LARSEN, J MYREN Scandinavian journal of
gastroenterology 19:22, 245-254, Scandinavian University Press, 1984. ... Cited by 17 - Related articles - All 4 versions
JR Stroehlein, VF Fairbanks, VL Go, WF … - Mayo Clinic …, 1976 - ncbi.nlm.nih.gov Stoll samples mixed with 0 to 38 mg of hemoglobin per gram of stool were tested for occult blood
by the Hemoccult (HO) method when fresh and after storage for 1 to 14 days. The intensity of
the HO reaction in fresh stool samples was directly related to the hemoglobin ... Cited by 38 - Related articles
PA Farrands, JD Hardcastle - Clinical oncology, 1983 - ncbi.nlm.nih.gov The false negative rate of the stabilized guaiac faecal occult blood tests, Fecatest and
Haemoccult, was determined in 61 patients with known colorectal cancer. When subjects tested
their stools over three days, 9.7% of the Fecatest slides and 27.8% of the Haemoccult ... Cited by 25 - Related articles
[CITATION] Kronborg 0, Fenger C. Can Hemoccult I1 replace colonoscopy after radical surgery …