{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,5]],"date-time":"2025-11-05T06:11:48Z","timestamp":1762323108030,"version":"build-2065373602"},"reference-count":17,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2010,1,5]],"date-time":"2010-01-05T00:00:00Z","timestamp":1262649600000},"content-version":"vor","delay-in-days":2867,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["beva.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Equine Veterinary Journal"],"published-print":{"date-parts":[[2002,3]]},"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:p>\n                    This study was designed to investigate whether horses with clinical signs of back pain due to suspected soft tissue injuries were affected by polysaccharide storage myopathy (PSSM). Diagnosis of PSSM in muscle biopsies obtained from the\n                    <jats:italic>M. longissimus lumborum<\/jats:italic>\n                    of 5 showjumpers and 4 dressage horses with a history of back pain is reported.\n                    <jats:italic>M. longissimus lumborum<\/jats:italic>\n                    biopsies of these horses were characterised histopathologically and in 3\/9 cases also by electron microscopy. Observations were compared with\n                    <jats:italic>M. gluteus<\/jats:italic>\n                    biopsies of the same horses, and with\n                    <jats:italic>M. gluteus<\/jats:italic>\n                    biopsies obtained from 6 Standardbreds with recurrent exertional rhabdomyolysis and from 6 healthy trotters.\n                    <jats:italic>M. longissimus<\/jats:italic>\n                    biopsies from horses with back pain showed pathognomonic signs of PSSM, i.e. high glycogen and\/or abnormal complex amylase\u2010resistant polysaccharide deposits. Similar features were found in\n                    <jats:italic>M. gluteus<\/jats:italic>\n                    biopsies of the same horses. Sections of horses with rhabdomyolysis had increased PAS stain when compared with healthy horses, but did not show amylase\u2010resistant material. Qualitative observations were corroborated by quantitative histochemistry (optical densities) of sections stained with PAS and amylase PAS. This study demonstrated the presence of PSSM in the\n                    <jats:italic>M. longissimus<\/jats:italic>\n                    of showjumpers and dressage horses with back pain and indicates that epaxial muscle biopsy is an option in diagnosing back problems in horses when clinical examination and imaging techniques do not provide a precise diagnosis.\n                  <\/jats:p>","DOI":"10.2746\/042516402776767259","type":"journal-article","created":{"date-parts":[[2007,4,12]],"date-time":"2007-04-12T19:03:27Z","timestamp":1176404607000},"page":"171-176","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":52,"title":["Polysaccharide storage myopathy in the\n                    <i>M. longissimus lumborum<\/i>\n                    of showjumpers and dressage horses with back pain"],"prefix":"10.1111","volume":"34","author":[{"given":"E.","family":"QUIROZ\u2010ROTHE","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"NOVALES","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"E.","family":"AGUILERA\u2010TEJERO","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. L. L.","family":"RIVERO","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2010,1,5]]},"reference":[{"key":"e_1_2_1_2_1","first-page":"503","article-title":"Rhabdomyolysis in two foals with polysaccharide storage myopathy","volume":"22","author":"Byrne E.","year":"2000","journal-title":"Comp. cont. Educ. pract. Vet."},{"key":"e_1_2_1_3_1","doi-asserted-by":"crossref","first-page":"458","DOI":"10.2460\/ajvr.1999.60.04.458","article-title":"Glucose uptake in horses with polysaccharide storage myopathy","volume":"60","author":"Corte F.V.","year":"1999","journal-title":"Am. J. vet. 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