Affiliation:
1. Department of Endocrinology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
2. Department of Radiology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
3. Department of Cardiology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
Abstract
Abstract
Introduction:
Obesity, dyslipidaemia and insulin resistance are associated with hypopituitarism. The association between these conditions and Sheehan’s syndrome (SS) caused by post-partum pituitary gland necrosis is poorly understood. This study aimed to assess cardiovascular risk surrogate markers in SS patients, and we compared clinical, biochemical and radiological testing with healthy controls.
Methods:
In this cross-sectional study, we studied 45 patients with SS on standard replacement therapy and compared them with healthy controls. All subjects underwent anthropometric, inflammatory marker and hormonal measurement (adrenocorticotropic hormone (ACTH), stimulated cortisol, insulin-like growth factor-1 (IGF-1), thyroxine (T4), follicle-stimulating hormone (FSH), luteinising hormone (LH), oestradiol (E2), prolactin (Prl), insulin, interleukin-6 (IL-6) and high-sensitivity C-reactive protein (hs-CRP)). Carotid intima-media thickness (CIMT), flow-mediated dilation (FMD) and echocardiography were also performed.
Results:
The mean age and body mass index (BMI) of SS patients were 48.1 ± 10.0 years and 24.3 ± 4.3 kg/m2, respectively, while those of controls were 44.6 ± 12.0 years and 24.6 ± 3.2 kg/m2, respectively. Systolic blood pressure was significantly higher in SS (124.6 ± 20.8 vs. 117.0 ± 18.6 mm of Hg, P < 0.05). All SS patients were hypothyroid, and all except one were hypocortisolaemic. Triglyceride (TG) levels were significantly higher in SS patients (165.6 ± 83.3 vs. 117.2 ± 56.1, P < 0.01), but no difference in the prevalence of metabolic syndrome (MetS) was found. hs-CRP (9.1 (5.2–18.5) vs. 1.5 (0.6–2.8), P < 0.001) and IL-6 (4.9 (3.7–7.3) vs. 3.1 (2.0–4.2), P < 0.001) were significantly higher in SS patients. CIMT was significantly increased in SS patients, but no difference in FMD was found. Echocardiography revealed no significant difference in left ventricular (LV) dimensions, interventricular thickness, posterior wall thickness, ejection fraction, LV mass and diastolic function.
Conclusion:
SS patients show increased cardiovascular risk with hypertension, dyslipidaemia and increased atherosclerotic and inflammatory markers.
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1. Lurking in the Shadows;Indian Journal of Endocrinology and Metabolism;2024-05