Changes

===Laboratory tests===

===Laboratory tests===

The detection of occult blood in faeces has proven unreliable in the horse and currently, useful laboratory markers for EGUS are lacking.<ref name="EGUC">The Equine Gastric Ulcer Council (1999) Tutorial Article: Recommendations for the diagnosis and treatment of equine gastric ulcer syndrome (EGUS).  ''Equine Vet Educ'', 11(5):262-272.</ref>  Tests that require further analysis for sensitivity and specificity<ref name="Sanchez">Sanchez, L.C (2010) 'Diseases Of The Stomach' in  Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), Saunders, Chapter 15.</ref> include:

The detection of occult blood in faeces has proven unreliable in the horse and currently, useful laboratory markers for EGUS are lacking.<ref name="EGUC">The Equine Gastric Ulcer Council (1999) Tutorial Article: Recommendations for the diagnosis and treatment of equine gastric ulcer syndrome (EGUS).  ''Equine Vet Educ'', 11(5):262-272.</ref>  Tests that require further analysis for sensitivity and specificity<ref name="Sanchez">Sanchez, L.C (2010) 'Diseases Of The Stomach' in  Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), Saunders, Chapter 15.</ref> include:

*Urine<ref>O'Connor, M.S, Steiner, J.M, Roussel, A.J, ''et al.'' (2004) Evaluation of urine sucrose concentration for detection of gastric ucleration in horses.  ''Am J Vet Res'', 65:31-39.  In: Sanchez, L.C (2010) 'Diseases Of The Stomach' in  Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), Saunders, Chapter 15.</ref> and blood<ref>Hewetson, M, Cohen, N.D, Love, S, ''et al.'' (2006) Sucrose concentration in bood: a new method for assessment of gastric permeability in horses with gastric ulceration.  ''J Vet Intern Med'', 20:388-394.  In: Sanchez, L.C (2010) 'Diseases Of The Stomach' in  Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), Saunders, Chapter 15.</ref> sucrose absorption as an assay of gastric mucosal permeability<ref name="Sanchez">Sanchez, L.C (2010) 'Diseases Of The Stomach' in  Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), Saunders, Chapter 15.</ref>

*Urine<ref>O'Connor, M.S, Steiner, J.M, Roussel, A.J, ''et al.'' (2004) Evaluation of urine sucrose concentration for detection of gastric ucleration in horses.  ''Am J Vet Res'', 65:31-39.  In: Sanchez, L.C (2010) 'Diseases Of The Stomach' in  Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), Saunders, Chapter 15.</ref> and blood<ref>Hewetson, M, Cohen, N.D, Love, S, ''et al.'' (2006) Sucrose concentration in bood: a new method for assessment of gastric permeability in horses with gastric ulceration.  ''J Vet Intern Med'', 20:388-394.  In: Sanchez, L.C (2010) 'Diseases Of The Stomach' in  Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), Saunders, Chapter 15.</ref> sucrose absorption as an assay of gastric mucosal permeability

*Serum alpha1-antitrypsin which has been detected more frequently in foals with gastric ulceration<ref>Taharaguchi, S, Nagano, A, Okai, K, ''et al.'' (2007) Detection of an isoform of alpha(1)-antitrypsin in serum samples from foals with gastric ulcers.  ''Vet Rec'', 161:338-342.  In: Sanchez, L.C (2010) 'Diseases Of The Stomach' in  Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), Saunders, Chapter 15.</ref>

*Serum alpha1-antitrypsin which has been detected more frequently in foals with gastric ulceration<ref>Taharaguchi, S, Nagano, A, Okai, K, ''et al.'' (2007) Detection of an isoform of alpha(1)-antitrypsin in serum samples from foals with gastric ulcers.  ''Vet Rec'', 161:338-342.  In: Sanchez, L.C (2010) 'Diseases Of The Stomach' in  Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), Saunders, Chapter 15.</ref>