Arginine vasopressin deficiency or resistance (Diabetes insipidus)

Patients require regular follow-up with monitoring of serum electrolytes to assess sodium status.

For patients with AVP-D, follow-up imaging is recommended if initial scans were unable to detect pathology, as pituitary, parapituitary, or stalk lesions may not manifest on initial scanning.

In patients with AVP-R for whom polyuria is significant, bladder dysfunction may develop. If unrecognized, this may lead to renal impairment. These patients need periodic renal and bladder ultrasonography and regular assessment of serum creatinine.[70]Shalev H, Romanovsky I, Knoers NV, et al. Bladder function impairment in aquaporin-2 defective nephrogenic diabetes insipidus. Nephrol Dial Transplant. 2004 Mar;19(3):608-13. https://academic.oup.com/ndt/article/19/3/608/1810670 http://www.ncbi.nlm.nih.gov/pubmed/14767016?tool=bestpractice.com