Adrenal atrophy: Difference between revisions

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==[[Adrenal atrophy epidemiology and demographics|Epidemiology and Demographics]]==
==[[Adrenal atrophy epidemiology and demographics|Epidemiology and Demographics]]==
===Prevalence===
The prevalence of primary adrenal atrophy is estimated to be 93 to 144 cases per million population.
In addition, secondary adrenal atrophy is more common with estimated prevalence of 150 to 280 cases per million population. Secondary adrenal atrophy is more common among women but is mainly diagnosed in their 60s.
Generally, Adrenal atrophy is more prevalent in women and may occur in any age but the clinical manifestations mainly occur in 30s to 50s.


===Mortality===
===Mortality===

Revision as of 12:59, 3 January 2022

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]


Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Adrenal atrophy from other Diseases

Epidemiology and Demographics

Mortality

The mortality of the patients with adrenal atrophy is due to the lack of adrenal stress hormones impairs the body's capacity to deal adequately with stressful situations, resulting in life-threatening adrenal crises. It is estimated that one out of 200 patients with adrenal atrophy dies from adrenal crisis each year.[1][2]

Risk Factors

There are no established risk factors for adrenal atrophy.

Screening

There is insufficient evidence to recommend routine screening for adrenal atrophy. However, the adrenal-hypopituitary axis can be evaluated with sodium, potassium, renin, aldosterone, cortisol, DHEA, ACTH, and CRH levels.[3]

Natural History, Complications and Prognosis

Adrenal atrophy is mainly due to the prolonged malfunction of the adrenal gland. If left untreated, the patients are mainly at risk of a lethal condition, called adrenal crisis.

Natural History

The onset of clinical manifestations is dependent to the etiology of the atrophy. However, the symptoms of the adrenal atrophy usually develop in patient’s 30s to 50s and in their 60s in the case of secondary adrenal atrophy. If left untreated, the patients are mainly at risk of a lethal condition, called adrenal crisis.

Complications

Common complications of the adrenal atrophy and its malfunction include hypoglycemia, dehydration, weight loss, and disorientation. Additional signs and symptoms include weakness, tiredness, dizziness, low blood pressure that falls further when standing (orthostatic hypotension), cardiovascular collapse, muscle aches, nausea, vomiting, and diarrhea. These problems may develop gradually and insidiously.

Prognosis

Prognosis is generally poor, due to the irreversibility of atrophy and the one out of 200 patients with adrenal atrophy dies each year due to the adrenal crisis.[2][3]

Diagnosis

History and Symptoms | Physical Examination | Laboratory Findings | Electrocardiogram | X Ray | CT | MRI | Ultrasound | Other Imaging Findings | Other Diagnostic Studies

Treatment

Medical Therapy=

Adrenal atrophy is the irreversible damage to the adrenal tissue, due to direct trauma or the secondary causes. As a result, treatment of the adrenal atrophy is a conservative treatment. For adrenal crisis:

  • Intravenous fluids
  • Intravenous steroids

The cortisol deficiency is treated by supplementing with cortisol, prednisolone, prednisone, methylprednisolone, and dexamethasone. The mineralocorticoid insufficiency is also cured by the fludrocortisone.

Primary Prevention

Primary prevention of the adrenal atrophy consists of avoiding overuse of exogenous corticosteroid drugs.

Secondary Prevention

The secondary prevention of the adrenal atrophy is also known as early diagnosis of any steroid or mineralocorticoid deficiency in the body, as discussed at the causes section, and its early appropriate treatments.[4][5]

Case Studies

A 46-year-old man presented to his physician with a 3-month history of generalized weakness and 15-pound unintentional weight loss. He denied sick contacts, specifically exposure to tuberculosis, smoking, alcohol consumption, or the use of illicit substances. Physical examination revealed abdominal distension and free fluid but was otherwise unremarkable. A diagnostic paracentesis revealed an exudative effusion with a positive Ziehl Neelsen stain for acid fast bacilli. The patient was started on treatment. One month after starting antitubercular therapy he presented to the hospital with worsening fatigue, salt craving, vomiting, loss of libido, and erectile dysfunction. On examination, he had low blood pressure and appeared cachectic. In addition, he had bitemporal muscle wasting and hyperpigmentation of skin, oral mucosa, and nails. Laboratory evaluation was significant for hyponatremia, hyperkalemia, and mild hypercalcemia. A random cortisol was 2.5 mcg/dL with an ACTH of 531.2 pcg/mL. The basal and cosyntropin stimulated serum cortisol were, respectively 1.8 mcg/dL and 2.0 mcg/dL, which was consistent with the diagnosis of primary adrenal insufficiency most likely due to tuberculosis. A computed tomography scan of the abdomen with intravenous contrast revealed bilaterally enlarged adrenal glands (4 cm × 3.3 cm on the right, 2.3 cm × 2.1 cm on the left). On review of his prior CT scan of the abdomen, the patient had bilaterally enlarged adrenal glands at the time of his initial presentation as well. A biopsy was obtained from the patient’s right adrenal gland and the findings were in consistent with granulomatosis with caseification necrosis, besides wide cellular disorganization and atrophy and compensatory hypertrophy. He was initially treated with intravenous hydrocortisone and was subsequently discharged on hydrocortisone and fludrocortisone. His symptoms have improved significantly. However, he is requiring slightly higher dose of hydrocortisone, which could be due to CYP 3A4 induction by rifampicin. He is likely to require lifelong treatment for adrenal atrophy, caused by tuberculosis infection.[6]

  1. Feingold KR, Anawalt B, Boyce A, Chrousos G, de Herder WW, Dhatariya K, Dungan K, Hershman JM, Hofland J, Kalra S, Kaltsas G, Koch C, Kopp P, Korbonits M, Kovacs CS, Kuohung W, Laferrère B, Levy M, McGee EA, McLachlan R, Morley JE, New M, Purnell J, Sahay R, Singer F, Sperling MA, Stratakis CA, Trence DL, Wilson DP, Nicolaides NC, Chrousos GP, Charmandari E. PMID 25905309. Missing or empty |title= (help)
  2. 2.0 2.1 Hahner S (June 2018). "Acute adrenal crisis and mortality in adrenal insufficiency: Still a concern in 2018!". Ann Endocrinol (Paris). 79 (3): 164–166. doi:10.1016/j.ando.2018.04.015. PMID 29716733.
  3. 3.0 3.1 Brender E, Lynm C, Glass RM (November 2005). "JAMA patient page. Adrenal insufficiency". JAMA. 294 (19): 2528. doi:10.1001/jama.294.19.2528. PMID 16287965.
  4. Hahner S, Allolio B (April 2009). "Therapeutic management of adrenal insufficiency". Best Pract Res Clin Endocrinol Metab. 23 (2): 167–79. doi:10.1016/j.beem.2008.09.009. PMID 19500761.
  5. Barnett AH, Espiner EA, Donald RA (November 1982). "Patients presenting with Addison's disease need not be pigmented". Postgrad Med J. 58 (685): 690–2. doi:10.1136/pgmj.58.685.690. PMC 2426562. PMID 7170268.
  6. Upadhyay J, Sudhindra P, Abraham G, Trivedi N (2014). "Tuberculosis of the adrenal gland: a case report and review of the literature of infections of the adrenal gland". Int J Endocrinol. 2014: 876037. doi:10.1155/2014/876037. PMC 4138934. PMID 25165474.