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Diabetes Insipidus and Anorexia Nervosa Open Access Journal of Endocrinology ISSN: 2578-4641 Diabetes Insipidus and Anorexia Nervosa Lasker S* Short Communication Healthy and Hygge, United States Volume 3 Issue 1 *Corresponding author: Sara Lasker, Healthy and Hygge, United States, 3902 Received Date: March 11, 2019 Milwaukee St. #8231 Madison, USA, Tel: (206) 465-7623; Email: Published Date: March 25, 2019 DOI: 10.23880/oaje-16000135 [email protected] Short Communication In today’s health and technologically conscious society body’s inability to keep up with the increased thirst when people hear that someone has diabetes they usually (polydipsia) and urination (polyuria) can result in think type 2 diabetes (associated with insulin resistance dehydration. The challenge being presented is that the and generally associated with obesity/inactivity). difference between Diabetes Insipidus and Diabetes However, it is not realized that there is another type, this Mellitus is not commonly known in the medical “diabetes” is not related to insulin production but rather community. The basic difference between them comes in water production and kidney malfunction. It is called the meaning of the words Mellitus and Insipidus. Mellitus Diabetes Insipidus or “water diabetes”. In this paper the is the Latin term meaning “sweet” and Insipidus is the hypothalamus and its functions, the different types of Latin term meaning “having no flavor”. Thus, if the urine Diabetes Insipidus (DI) and its symptoms, and how this were tasted, a test formally used to determine Diabetes diabetes is affected in Anorexia Nervosa will be covered. Mellitus, the urine of the Diabetes Mellitus patient would be sweet while no taste would be associated with the To begin, the hypothalamus gland plays an intricate Diabetes Insipidus patient. part in controlling many physical functions of the body; including but not limited to: regulating body temperature, The three types of Diabetes Insipidus: pituitary blood glucose, water balance, fat metabolism, feeding (Central Diabetes Insipidus-CDI), nephrogenic (NDI), and habits, sleep, sexual behavior, emotions, hormone psychogenic. “many conditions can cause DI, but common productions, and the automatic nervous system. Its main ones include trauma to the brain or head (pituitary DI), function is homeostasis of the body. It does this through drugs such as lithium (nephrogenic DI), and psychogenic the production of two important hormones, oxytocin and disorders or disorders associated with abnormal thirst vasopressin. The hormone vasopressin is important to (primary polydipsia” [2]. Although each type of DI is keep in mind because it acts on the kidneys to increase caused by different sources “the main symptoms are the absorption of water from urine, thereby maintaining the same: polydipsia (excessive thirst) and polyuria water level with the body. As can be imagined, because of (excessive urination)” [3]. If DI goes untreated “death its important role, many bodily functions can be affected from electrolyte imbalances, dehydration, hemodynamic when it is damaged. Ironically two disorders that can instability, central nervous system depression, and occur from its damage are Diabetes Insipidus and circulatory collapse” can occur [2]. “DI occurs when either Anorexia Nervosa. the secretion or action of anti-diuretic hormone (ADH) become abnormal. ADH is produced in the hypothalamus Diabetes Insipidus (DI) is often mistaken for Diabetes and stored in the posterior pituitary; ADH causes fluid Mellitus but the two are not related. Diabetes Insipidus is retention or lack of diuresis” [3]. Kidney function is a “clinical disorder in which large amounts of urine are particularly sensitive to this because “ADH is sensitive to excreted despite plasma serum hyperosmolality” [1]. changes in hydration. If we drink too much its releases are Someone suffering from DI has frequent and increased inhibited so that we can easily excrete the added fluid and urination causing liquid craving in such great quantities not get over hydrated. And when we do not drink enough the body cannot keep up with the demand for liquids. The fluids, ADH is released and prompts the kidneys to Diabetes Insipidus and Anorexia Nervosa J Endocrinol 2 Open Access Journal of Endocrinology reabsorb more water so that we don’t get dehydrated. seizures, coma, and death” [9]. Many times, excessive Any glitch in this system will cause the kidneys to lose water ingestion is “an attempt by the patient to deceive their urine-concentrating ability” [4]. Testing for DI is others into believing (her) nutritional status was done through a water deprivation test; although if the improved” [10]. The increased amount of water patient is critically ill it may not be done for fear of further consumption directly relates to an increase in urine harm. “In the water deprivation test, clinicians place the production thus, when continued over an extensive patient in mild dehydration to determine if the kidneys amount of time can be classified as Diabetes Insipidus. can concentrate urine with adequate ADH stimulation. During that time the kidneys are unable to conserve water The kidneys, if unable to concentrate urine, are the source as they filter blood thus causing danger to the body. of DI and the patient has nephrogenic DI. This is also used Water intoxication is dangerous because hyponatremia to differentiate between psychogenic polydipsia and DI. If brings about an abnormally low amount of potassium in the kidneys respond by concentrating urine, the cause of the blood; thus, imbalances the electrolytes. “The extreme DI is central” [3]. Without kidney function the proper action of repeated vomiting and laxative and diuretic release of uric acid cannot take place. abuse all contribute to abnormalities in acid-base balance and electrolyte changes. The presence of hypokalemia, In the Diagnostic and Statistical Manual of Mental hypochloremia, and metabolic alkalosis are of grave Disorders (DSM-V) Anorexia Nervosa (AN) has been clinical importance since untreated these abnormalities classified as a psychiatric disorder resulting from an lead to a variety of physical complications, ultimately “intense fear of gaining weight, putting undue emphasis causing cardiac arrhythmias and renal failure. The on body shape, having a body weight that is <85% of frequency of fatality in AN and the apparent lack of predicted, and missing three consecutive periods [5]. But relation to the degree of emaciation is probably due to the unlike other psychiatric disorders many medical/physical potassium imbalance” [11]. “Potassium depletion can complications are present. “Many of the mental and cause muscle weakness and constipation which in turn emotional symptoms common to anorexia nervosa are may lead to polydipsia” [11]. With electrolyte imbalance it directly related to physical effects of starvations: energy is also important to check renal function. A case study on level, mood, attitude, and behavior, mental ability, social, a 20-year-old Caucasian female found “water intoxication weight, food, eating and hunger” [6]. Besides the day-to- and potentially lethal hypokalemia and salt ingestion with day mental taxation, physical complications are also the potential for dangerous hypernatremia could be seen present. These include electrolyte disturbance, kidney as techniques for inducing a slow, agonizing death” [10] dysfunction, swollen glands, cardiac irregularities, bone through causing self- dehydration. Dehydration is also a abnormalities, gastrointestinal program, and endocrine major complication because of the loss of too much fluid complications; all areas affected are hypothalamus resulting in kidney and heart failure along with seizures. controlled. “Anorexia nervosa is the only psychiatric Dehydration can be caused through uncontrolled diabetes, condition that , at present, requires an endocrine-linked diuretic use/abuse, and malnourishment. Diuretic use is a abnormality” [7]. “Anorexia nervosa is associated with very common form of weight loss among eating impaired or erratic release of vasopressin” [8]. Someone disordered patients. As mentioned previously, without suffering from AN uses a variety of techniques to lower kidney function the proper release of uric acid cannot their weight. These can include excessive exercise, calorie take place. Addressing dehydration symptoms in young restriction, diuretic use, and water loading resulting in adults is of most importance. Nicholls states “children water intoxication. dehydrate quicker than adults and assessment of electrolytes will identify the most compromised patients. The combination of Diabetes Insipidus and Anorexia As in adults, serum blood levels may be a poor reaction of Nervosa can cause a variety of complications. Three in electrolyte balance and clinical judgment together with particular are electrolyte imbalance, dehydration, and vital signs (pulse, blood pressure), may be a better hyponatremia. Hyponatremia or “water intoxication” (WI) indicator of the need for rehydration” [12]. can occur both as a symptom and as a complication in anorexic patients. “The syndrome of self-induced water “It is important for the clinician to be aware of the intoxication (WI) is a well-known complication in patients biochemical changes which are found in AN [11]” and to with psychiatric illness” [9]. Water intoxication is “an address them completely to avoid additional excessive consumption of water (was) used to migrate complications in treatment. Although the long-term hunger and to attempt
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