Blood Lipid Levels Linked to High Blood Pressure in Cushing’s Disease Patients

High lipid levels in the blood may lead to elevated blood pressure in patients with Cushing’s disease, a Chinese study shows.

The study, “Evaluation of Lipid Profile and Its Relationship with Blood Pressure in Patients with Cushing’s Disease,” appeared in the journal Endocrine Connections.

Patients with Cushing’s disease often have chronic hypertension, or high blood pressure, a condition that puts them at risk for cardiovascular disease. While the mechanisms of Cushing’s-related high blood pressure are not fully understood, researchers believe that high levels of cortisol lead to chronic hypertension through increased cardiac output, vascular resistance, and reactivity to blood vessel constrictors.

In children and adults with Cushing’s syndrome, the relationship between increased cortisol levels and higher blood pressure has also been reported. Patients with Cushing’s syndrome may remain hypertensive even after surgery to lower their cortisol levels, suggesting their hypertension is caused by changes in blood vessels.

Studies have shown that Cushing’s patients have certain changes, such as increased wall thickness, in small arteries. The renin-angiotensin system, which can be activated by glucocorticoids like cortisol, is a possible factor contributing to vascular changes by increasing the uptake of LDL-cholesterol (LDL-C) — the “bad” cholesterol — in vascular cells.

Prior research showed that lowering cholesterol levels could benefit patients with hypertension and normal lipid levels by decreasing the stiffness of large arteries. However, the link between blood lipids and hypertension in Cushing’s disease patients is largely unexplored.

The study included 84 patients (70 women) referred to a hospital in China for evaluation and diagnosis of Cushing’s disease. For each patient, researchers measured body mass index, blood pressure, lipid profile, and several other biomarkers of disease.

Patients with high LDL-cholesterol had higher body mass index, blood pressure, cholesterol, triglycerides, and apolipoproteinB (apoB), a potential indicator of atherosclerosis and cardiovascular disease.

Data further revealed an association between blood pressure and lipid profile, including cholesterol, triglycerides, apoB and LDL-c. “The results strongly suggested that CHO (cholesterol), LDL-c and apoB might predict hypertension more precisely in [Cushing’s disease],” the scientists wrote.

They further add that high cholesterol, LDL-cholesterol, and apoB might be contributing to high blood pressure by increasing vessel stiffness.

Additional analysis showed that patients with higher levels of “bad” cholesterol — 3.37 mmol/L or higher — had higher blood pressure. This finding remained true, even when patients were receiving statins to lower their cholesterol levels.

No association was found between blood pressure and plasma cortisol, UFC, adrenocorticotropic hormone, or glucose levels in Cushing’s disease patients.

These findings raise some questions on whether lipid-lowering treatment for high blood pressure and cardiovascular disease would be beneficial for Cushing’s disease patients. Further studies addressing this question are warranted.

Adapted from https://cushingsdiseasenews.com/2018/04/24/blood-pressure-linked-lipid-levels-cushings-disease-study/

Cortisol Pumps May Be Viable Option to Reduce Adrenal Crisis in Severe Adrenal Insufficiency

The use of an insulin pump to deliver continuous pulsatile cortisol may be a viable treatment option in patients with severe adrenal insufficiency who are unresponsive to oral corticosteroids, according to study results presented at the 28th Annual Congress of the American Association of Clinical Endocrinologists, held April 24 to 28, 2019, in Los Angeles, California.

According to the investigators, increasing oral steroid doses may be required to prevent adrenal crisis in patients with adrenal insufficiency. However, in light of the associated side effects of long-term use of steroids, an alternative treatment method is needed. Insulin pumps, typically used to treat patients with diabetes, can be used to deliver steroids and may provide symptom control, prevent adrenal crisis, and lower required corticosteroid dose.

The current study enrolled patients with adrenal insufficiency who could not absorb oral corticosteroid treatment or were not responding to treatment. Of 118 patients with adrenal insufficiency, 6 patients were switched to pump treatment.

The results indicated that the use of cortisol pumps was associated with a 78.5% risk reduction for adrenal crisis compared with oral corticosteroids. As hydrocortisone dose was gradually tapered using the cortisol pump, there was a mean dose reduction of 62.77 mg compared with oral corticosteroid therapy.

The researchers noted that in addition to reducing the number of adrenal crises, use of a cortisol pump was found to be associated with better symptom control and quality of life.

“Continuous pulsatile cortisol replacement via pump is an option for management of severe adrenal insufficiency in patients unresponsive to oral therapy,” concluded the researchers.

Reference

Khalil A, Ahmed F, Alzohaili O. Insulin pump for adrenal insufficiency, a novel approach to the use of insulin pumps to deliver corticosteroids in patients with poor cortisol absorption. Presented at: American Association of Clinical Endocrinologists 28th Annual Scientific & Clinical Congress; April 24-28, 2019; Los Angeles, CA.

From https://www.endocrinologyadvisor.com/home/conference-highlights/aace-2019/cortisol-pumps-may-be-viable-option-to-reduce-adrenal-crisis-in-severe-adrenal-insufficiency/

Reasons You Have Flab Around Your Abdomen

Some diseases and conditions could be responsible for your abdominal fat.
Mita Majumdar | Updated: April 24, 2017 6:15 pm

Visceral fat or unhealthy belly fat that surrounds the liver and other organs in the abdomen puts you at risk for serious health problems, such as, metabolic syndrome, heart disease, and type 2 diabetes. But, what causes your pot belly or beer fat in the first place? The most obvious answers you will get is – ‘You are not exercising enough’, or, ‘you are eating too much of fatty foods or sugary foods’, or ‘you are not eating the right foods’, or ultimately, ‘It’s genetics! You got it from your parents’. All of these reasons are true, of course. However, some diseases/ disorders and conditions, too, could be responsible for your abdominal fat and these have nothing to do with not exercising or not eating right. Following are some of these disorders.

Cushing’s Syndrome

Cushing’s syndrome, also called hypercortisolism, is an endocrine disorder that occurs when your body is exposed to high cortisol levels over a long period of time. It is a treatable disorder, however, if it is chronic, the symptoms can last lifelong.

Symptoms: Symptoms vary according to the severity of the disorder. The characteristic symptoms include –

  • Fatty tissue deposits in the midsection
  • Fatty deposits in the upper back, especially between the shoulders, so that it resembles a hump
  • Puffy face
  • Violaceous stretch marks (pink or purple) on the arms, breast, stomach, and thighs that are more than 1 cm wide. [1]
  • Easy bruising
  • Fatigue
  • Hirsutism and irregularity in menstruation in women
  • Loss of libido and erectile dysfunction in men
  • Cognitive dysfunction, depression, unpredictable emotional outbursts, irritability is present in 70-85 percent of people with Cushing’s syndrome.[1]

Causes:

  • Overuse of corticosteroids
  • Overproduction of cortisol by the adrenal glands

Management:

  • Surgery is the first line of treatment for Cushing’s syndrome.
  • Medication include: [2]

a.Pituitary gland directed therapy

b.Adrenal-blocking drugs

c.Glucocorticoid receptor-antagonizing drugs

  • Pituitary radiotherapy

Addison’s disease

Addison’s disease, also called adrenal insufficiency, is a disorder where your adrenal glands produce insufficient hormones, especially, glucocorticoids including cortisol and aldosterone. It is a life-threatening disease that can affect anyone irrespective of their gender or age.

How do glucocorticoids influence abdominal fats? Glucocorticoids including cortisol convert the fats into energy in the liver. They also help your body respond to stress. When sufficient amount of glucocorticoids are not produced by the adrenal glands, the fats accumulate in the abdominal area, and you see it as flab around your middle.

Symptoms:

  • Hyperpigmentation
  • Extreme fatigue
  • Low blood sugar and low blood pressure
  • Salt craving as one of the functions of adrenal glands is to maintain the sodium-potassium balance in the body
  • Nausea, vomiting, abdominal pain
  • Weight loss but gain in abdominal fat

Causes:

  • Insufficient production of adrenal cortex hormones
  • Stopping of prescribed corticosteroids
  • Tuberculosis and other infections of adrenal glands
  • Spread of cancer to the adrenal glands

Management:

  • Oral corticosteroids or corticosteroid injections
  • Intravenous injections of hydrocortisone, saline solution, and dextrose in case of Addisonian crisis

Stress

Chronic stress is a very big cause of belly fat. When you are exposed to stress, a chain reaction starts in the body because of the dysregulation of HPA axis of the neuroendocrine system. HPA axis is a complex interaction between the hypothalamus, pituitary gland, and adrenal glands. The hypothalamus produces a corticotropin releasing hormone (CRH) and vasopressin. These together stimulate the secretion of adrenocorticotropic hormone (ACTH). ACTH is transported by the blood to the adrenal glands, which then produces corticosteroids, mainly, cortisol from cholesterol. One of the functions of cortisol is to signal the body to store fat, and specifically, the fat storage occurs in the abdominal area, where the cortisol receptors are greater. Researchers have found that stress causes hyperactivation of HPA axis, leading to accumulation of fat tissue, especially in the abdomen region.

So, the more and longer you are stressed (or if you are chronically stressed), chances are that you will be carrying more belly fat!

Ascites

Ascites is the buildup of fluid in the abdominal space. Ascites usually occurs in people with cancer, and it is then called malignant ascites. Onset of ascites is generally the terminal phase in cancer. Ascites also occurs in patients with liver cirrhosis, kidney failure, or heart disease.

Symptoms:

The first sign of ascites is an increase in abdominal girth accompanied by weight gain. [4] Although it looks like it is belly fat, it is actually the fluid that causes the bulging.

Other symptoms include:

  • Shortness of breath
  • Nausea and vomiting
  • Swelling in the feet and ankle
  • Decreased appetite, sense of fullness, bloating
  • Fatigue
  • Haemorrhoids

Management:

If the ascites is not causing any discomfort, it may not require any treatment. Treatment of ascites can have many side effects. Talk to your doctor before you go in for management/ treatment.

Abdominal hernia

Abdominal hernia is a swelling or a bulge in the abdominal area where an organ or fatty tissue pushes through a weak spot in the abdominal wall. The abdominal wall is made up of tough connective tissue and tendons that stretch from the ribs to the groin. Depending on the position of the weakness in your abdominal wall, the hernia can be inguinal (groin), femoral (upper thigh), umbilical (belly button), hiatal (upper stomach), or even incisional. Incisional hernia can occur when the intestine pushes through a weak spot at the site of abdominal surgery.

Symptoms:

  • Visible bulge that may or may not cause discomfort
  • Feeling of heaviness in the abdomen
  • Sharp pain when you strain or lift objects

Causes:

  • Constipation and diarrhoea
  • Persistent coughing and sneezing
  • Straining or suddenly lifting a heavy object

Management:

  • Umbilical hernia, common in young children, mostly resolves by itself as the abdominal muscles get stronger.
  • Other abdominal hernia normally do not resolve by themselves. Doctors suggest waiting and watching.
  • If treatment is required, surgery is the only option. Surgery involves pushing the hernia back into the abdomen and repairing the abdominal wall.

Menopause

Menopause is certainly not a disease or a disorder. It is the time in a woman’s life when she stops menstruating and cannot become pregnant because her ovaries stop producing the required amounts of hormones oestrogen and progesterone. A woman reaches menopause when she has not had her periods for 12 months.

Symptoms:

  • Hot flashes and/ or night sweats
  • Vaginal dryness
  • Mood swings
  • Sleep disturbances

It is very common to gain belly fat during menopause. This is because of the low oestrogen levels. Oestrogen seems to influence the distribution of fat in the body, in a way that the fat is redistributed from the hips, buttocks, and thighs to the belly. However, a study published in the journal Metabolism reported that though women did significantly gain belly fat, especially deep inside the belly, relative fat distribution is not significantly different after menopause. [5] But the fact remains that women do gain flab in the abdomen after menopause.

Belly fat can be seriously harmful. If your belly fat is not because of the above-mentioned conditions, you can lose it by adopting a healthy lifestyle that includes sleeping enough, exercising regularly, eating right, and reducing stress.

Reference

  1. Sharma ST, Nieman LK, Feelders RA. Cushing’s syndrome: epidemiology and developments in disease management. Clinical Epidemiology. 2015;7:281-293. doi:10.2147/CLEP.S44336.
  1. Feelders RA, Hofland LJ. Medical treatment of Cushing’s disease. J Clin Endocrinol Metab. 2013;98:425–438.
  1. Kyrou I, Chrousos GP, Tsigos C. Stress, visceral obesity, and metabolic complications. Ann N Y Acad Sci. 2006 Nov;1083:77-110.
  1. Sinicrope FA. Ascites. In: Kufe DW, Pollock RE, Weichselbaum RR, et al., editors. Holland-Frei Cancer Medicine. 6th edition. Hamilton (ON): BC Decker; 2003.
  2. Franklin RM, Ploutz-Snyder L, Kanaley JA. Longitudinal changes in abdominal fat distribution with menopause. Metabolism. 2009 Mar;58(3):311-5. doi: 10.1016/j.metabol.2008.09.030.

Adapted from http://www.thehealthsite.com/diseases-conditions/reasons-you-have-flab-around-your-abdomen-f0417/

 

Day 24: Cushing’s Awareness Challenge

Over the years, we went on several Windjammer Barefoot Cruises.  We liked them because they were small, casual and were fairly easy on the wallet.

They sailed around the Caribbean to a variety of islands, although they sometimes changed itineraries depending on weather, crew, whatever.  One trip we were supposed to go to Saba but couldn’t make port.  A lot of people got off at the next port and flew home.

The captains were prone to “Bedtime Stories” which were often more fiction than true but they added to the appeal of the trip.  We didn’t care if we missed islands or not – we were just there to sail over the waves and enjoy the ride.

The last trip we took with them was about two years before I started having Cushing’s problems.  (You wondered how I was going to tie this together, right?)

The cruise was uneventful, other than the usual mishaps like hitting docks, missing islands and so on.  Until it was a particularly rough sea one day.  I was walking somewhere on deck and suddenly a wave came up over the deck making it very slippery.  I fell and cracked the back of my head on the curved edge of a table in the dining area.  I had the next-to-the-worse headache I have ever had, the worst being after my pituitary surgery. At least after the surgery, I got some morphine.

We asked several doctors later if that hit could have contributed to my Cushing’s but doctors didn’t want to get involved in that at all.

The Windjammer folks didn’t fare much better, either. In October 1998, Hurricane Mitch was responsible for the loss of the s/v Fantome (the last one we were on). All 31 crew members aboard perished; passengers and other crew members had earlier been offloaded in Belize.

 

The story was recorded in the book The Ship and the Storm: Hurricane Mitch and the Loss of the Fantome by Jim Carrier.  The ship, which was sailing in the center of the hurricane, experienced up to 50-foot (15 m) waves and over 100 mph (160 km/h) winds, causing the Fantome to founder off the coast of Honduras.

“In October 1998, the majestic schooner Fantome came face-to-face with one of the most savage storms in Atlantic history. The last days of the Fantome are reconstructed in vivid and heartbreaking detail through Jim Carrier’s extensive research and hundreds of personal interviews. What emerges is a story of courage, hubris, the agony of command, the weight of lives versus wealth, and the advances of science versus the terrible power and unpredictability of nature.”

This event was similar to the Perfect Storm in that the weather people were more interested in watching the hurricane change directions than they were in people who were dealing with its effects.

I read this book and I was really moved by the plight of those crew members.

I’ll never know if that hit on my head contributed to my Cushing’s but I have seen several people mention on the message boards that they had a traumatic head injury of some type in their earlier lives.

 

Cyclic Cortisol Production May Lead to Misdiagnosis in Cushing’s

Increased cortisol secretion may follow a cyclic pattern in patients with adrenal incidentalomas, a phenomenon that may lead to misdiagnosis, a study reports.

Since cyclic subclinical hypercortisolism may increase the risk for heart problems, researchers recommend extended follow-up with repeated tests to measure cortisol levels in these patients.

The study, “Cyclic Subclinical Hypercortisolism: A Previously Unidentified Hypersecretory Form of Adrenal Incidentalomas,” was published in the Journal of Endocrine Society.

Adrenal incidentalomas (AI) are asymptomatic masses in the adrenal glands discovered on an imaging test ordered for a problem unrelated to adrenal disease. While most of these benign tumors are considered non-functioning, meaning they do not produce steroid hormones like cortisol, up to 30% do produce and secrete steroids.

Subclinical Cushing’s syndrome is an asymptomatic condition characterized by mild cortisol excess without the specific signs of Cushing’s syndrome. The long-term exposure to excess cortisol may lead to cardiovascular problems in these patients.

While non-functioning adenomas have been linked with metabolic problems, guidelines say that if excess cortisol is ruled out after the first evaluation, patients no longer need additional follow-up.

However, cortisol secretion can be cyclic in Cushing’s syndrome, meaning that clinicians might not detect excess amounts of cortisol at first and misdiagnose patients.

In an attempt to determine whether cyclic cortisol production is also seen in patients with subclinical Cushing’s syndrome and whether these patients have a higher risk for metabolic complications, researchers in Brazil reviewed the medical records of 251 patients with AI — 186 women, median 60 years old — followed from 2006 to 2017 in a single reference center.

Cortisol levels were measured after a dexamethasone suppression test (DST). Dexamethasone is used to stop the adrenal glands from producing cortisol. In healthy patients, this treatment is expected to reduce cortisol levels, but in patients whose tumors also produce cortisol, the levels often remain elevated.

Patients were diagnosed with cyclic subclinical Cushing’s syndrome if they had at least two normal and two abnormal DST tests.

From the 251 patients, only 44 performed the test at least three times and were included in the analysis. The results showed that 20.4% of patients had a negative DST test and were considered non-functioning adenomas.

An additional 20.4% had elevated cortisol levels in all DST tests and received a diagnosis of sustained subclinical Cushing’s syndrome.

The remaining 59.2% had discordant results in their tests, with 18.3% having at least two positive and two negative test results, matching the criteria for cyclic cortisol production, and 40.9% having only one discordant test, being diagnosed as possibly cyclic subclinical Cushing’s syndrome.

Interestingly, 20 of the 44 patients had a normal cortisol response at their first evaluation. However, 11 of these patients failed to maintain normal responses in subsequent tests, with four receiving a diagnosis of cyclic subclinical Cushing’s syndrome and seven as possibly cyclic subclinical Cushing’s.

Overall, the findings suggest that patients with adrenal incidentalomas should receive extended follow-up with repeated DST tests, helping identify those with cyclic cortisol secretion.

“Lack of recognition of this phenomenon makes follow-up of patients with AI misleading because even cyclic SCH may result in potential cardiovascular risk,” the study concluded.

From https://cushingsdiseasenews.com/2019/04/11/cyclic-cortisol-production-may-lead-to-misdiagnosis-in-cushings-study-finds/