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Diabetes insipidus in pregnancy
Summary
Pregnancy can complicate diabetes insipidus (DI) diagnosis and treatment. This review covers transient DI of gestation, including vasopressin resistance caused by increased vasopressinase, and its postpartum resolution.
Area of Science:
- Endocrinology
- Obstetrics
- Reproductive Medicine
Background:
- Diabetes insipidus (DI) poses diagnostic and therapeutic challenges during pregnancy.
- Existing central DI requires increased hormone replacement, while nephrogenic DI involves heightened water turnover.
- Transient DI of gestation presents unique clinical scenarios.
Purpose of the Study:
- To review the distinct forms of diabetes insipidus specific to pregnancy.
- To highlight diagnostic and therapeutic challenges in pregnant patients with DI.
- To discuss the pathophysiology of transient DI during gestation.
Main Methods:
- Review of existing literature on diabetes insipidus in pregnancy.
- Case illustration of transient DI of gestation with vasopressinase elevation.
- Analysis of arginine vasopressin (AVP) clearance and enzyme activity during pregnancy and postpartum.
Main Results:
- Some women experience central DI exacerbated by pregnancy, requiring adjusted hormone therapy.
- A subset exhibits transient DI of gestation, potentially due to increased vasopressinase activity.
- One case demonstrated DI resistant to vasopressin but responsive to dDAVP, resolving postpartum.
Conclusions:
- Pregnancy-associated DI encompasses pre-existing conditions and transient forms.
- Increased vasopressinase is a potential cause of transient, vasopressin-resistant DI in pregnancy.
- Understanding these DI variants is crucial for effective management during and after pregnancy.