Nutritional Secondary Hyperparathyroidism Case Challenge Discussion

Husbandry-related conditions are very common in reptiles, and nutritional secondary hyperparathyroidism is frequently recognized in clinical practice. The discussion portion of this Case Challenge reviews pathogenesis, history, examination findings, and diagnostic test results with radiography, and clinical pathology. Key points of case management are explored, including correction of husbandry and dietary factors, management of hypocalcemia, as well as stabilization and supportive care. Prognosis and prevention are also discussed . . .


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References


1. Araújo GGAS, Souza DDSE, Rameh-de-Albuquerque LC, et al. Osteodensitometry and tomographic findings in four captive giant South American turtles (Podocnemis expansa) with metabolic bone disease. J Zoo Wildl Med 50(2):447-452, 2019. doi: 10.1638/2018-0126.

2. Boyer TH, Scott PW. Nutritional secondary hyperparathyroidism. In: Mader’s Reptile and Amphibian Medicine and Surgery. St. Louis, MO: Elsevier; 2019.

3. Brandão, J, Rick M, Mayer J. Endocrine system. In: Mitchell MA, Tully TN (eds). Current Therapy in Exotic Pet Practice. St. Louis, MO: Elsevier; 2016: 277-351.

4. Campbell TW. Clinical pathology. In: Mader DR, Divers SJ (eds). Current Therapy in Reptile Medicine and Surgery. St. Louis, MO: Elsevier Saunders; 2014: 217-219.

5. Hoby S, C. Wenker C, Robert N, et al. Nutritional metabolic bone disease in juvenile veiled chameleons (Chamaeleo calyptratus) and its prevention. J Nutr 140(11):1923-1931, 2010. doi: 10.3945/jn.110.120998.

6. Holmes SP, Divers SJ. Radiography—lizards. In: Mader’s Reptile and Amphibian Medicine and Surgery. St. Louis, MO: Elsevier; 2019.

7. Klaphake E. A fresh look at metabolic bone diseases in reptiles and amphibians. Vet Clin North Am Exot Anim Pract 13(3): 375-392, 2010. doi: 10.1016/j.cvex.2010.05.007.

8. Klaphake, E, Gibbons PM, Sladky KK , Carpenter JW. Reptiles. In: Carpenter JW, Marion CJ (eds). Exotic Animal Formulary, 5th ed. St. Louis, MO: WB Saunders; 2018: 81-166.

9. Mans C, J Braun J. Update on common nutritional disorders of captive reptiles. Vet Clin North Am Exot Anim Pract 17(3):369-395, 2014. doi: 10.1016/j.cvex.2014.05.002.

10. Platt SR. Neurology. In: Mader’s Reptile and Amphibian Medicine and Surgery. St. Louis, MO: Elsevier; 2019: 1977.

11. Raiti P. Endocrinology. In: Mader’s Reptile and Amphibian Medicine and Surgery. St. Louis, MO: Elsevier; 2019.

12. Reece RL, Dickson DB, Butler R. An osteopetrosis-like condition in a juvenile rhinocerus iguana (Cyclura cornuta). Aust Vet J. 1986;63(10):343-344. doi:10.1111/j.1751-0813.1986.tb02885.x.

13. Zotti A, Selleri P, Carnier P, Morgante M, Bernardini D. Relationship between metabolic bone disease and bone mineral density measured by dual-energy X-ray absorptiometry in the green iguana (Iguana iguana). Vet Radiol Ultrasound. 45(1):10-16, 2004. doi: 10.1111/j.1740-8261.2004.04002.x.

 

Further reading

Cusack L, Rivera S, Lock B, et al. Effects of a light-emitting diode on the production of cholecalciferol and associated blood parameters in the bearded dragon (Pogona vitticeps). J Zoo Wildl Med. 48(4):1120-1126, 2017. doi: 10.1638/2016-0222.1.

Edmonds D, Razaiarimahefa T, Kessler E, Goetz M. Natural exposure to ultraviolet-B radiation in two species of chameleons from Madagascar. Zoo Biol. 37(6):452-457m 2018. doi: 10.1002/zoo.21459.

Hetényi N, Sátorhelyi T, Kovács S, Hullár I. Effects of two dietary vitamin and mineral supplements on the growth and health of Hermann’s tortoise (Testudo hermanni). Berl Munch Tierarztl Wochenschr. 127(5-6):251-256, 2014.

Heuser W, Pendl H, Knowles NJ, et al. Soft plastron, soft carapace with skeletal abnormality in juvenile tortoises. Histopathology and isolation of a novel picornavirus from Testudo graeca and Geochelone elegans. Tierarztl Prax Ausg K Kleintiere Heimtiere. 42(5):310-320, 2014.

Hoby S, Clauss M, Aebischer A, et al. A. Dry matter and calcium digestibility in captive veiled chameleons (Chamaeleo calyptratus). J Anim Physiol Anim Nutr (Berl). 96(5):778-782, 2012. doi: 10.1111/j.1439-0396.2011.01170.x.

Oonincx DG, van de Wal MD, Bosch G, et al. Blood vitamin D(3) metabolite concentrations of adult female bearded dragons (Pogona vitticeps) remain stable after ceasing UVb exposure. Comp Biochem Physiol B Biochem Mol Biol. 165(3):196-200, 2013. doi: 10.1016/j.cbpb.2013.04.006.

To cite this page: Chassang L. Nutritional secondary hyperparathyroidism case challenge discussion. April 3, 2020. LafeberVet web site. Available at https://lafeber.com/vet/nutritional-secondary-hyperparathyroidism-case-challenge-discussion/