The relevant one in this context is that nat- ural systems maintain themselves in a changing environment buy prednisone 5mg low cost allergy testing jersey channel islands. Wilkerson and Johnston (16) refer to Wilkerson who distinguishes levels of functioning using a hierarchy of complexity (17(cited in 16)): A complementary way of conceiving rehabilitation outcomes is in terms of a hi- erarchy or levels of functions (Wilkerson buy cheap prednisone 20 mg on line allergy shots permanent, 1992) – micro, meso, and macro – in which the basic building block functions must be assembled to achieve higher-order function. If the term ‘func- tioning’ refers to the different joints of the shoulder girdle, then “the shoul- der” does not function intrinsically, but is driven by other systems. In the field of rehabilitation it may therefore be useful to make a distinction between a structural system and a dynamic system. Both types of system function, but the first type of system functions by ‘being driven’, and the second type func- tions as an intrinsic process. Change in functioning can probably be better predicted if the system at hand is functioning as an intrinsic process. From Brody’s hierarchy, the systems from “cells” up to and including “person” seem relevant in rehabilitation. Because, in terms of functioning, a family or a community con- stitutes environment for a particular person. A family or a community could itself be the subject of functioning in a different context, e. The hierarchy implies that lower-level systems are part of higher-level sys- tems, and could be considered conditions for these higher-level systems. Higher-level systems consist of lower-level systems, and could be consid- ered a purpose for lower-level systems. This notion of condition and pur- pose is useful for explaining changes in functioning, but also for under- standing of individual experience and adaptation. In the next section, I propose assumptions regarding individual experience and adaptation that are based on these assumptions. By taking in- dividual experience into account, rehabilitation professionals respect a person’s autonomy. Furthermore, individual experience may help under- stand what a person regards important, significant or of value. Finally, and most relevant for my argument, individual experience has explanato- ry power as regards adaptation. In order to operationalise individual experience, I equate individual experience with appraisal of (change in) functioning. Lazarus considers appraisal the evaluation of the significance of what is happening in the person-environment relationship for personal well-being (18). In other words, what could be a standard for the evaluation of the significance of functioning or rather the significance of change in functioning? If a hierarchy of functioning is assumed, then the sig- nificance of a particular functioning is its contribution to achieving a higher- order functioning. This implies that the standard is that level of goodness that enables the actual achievement of this higher-order functioning. Adaptation is a term that in its turn specifies functioning by adding the connotation of the particular purpose of maintaining integrity, or getting bet- ter. One would expect that a change for the worse in daily living would lead to a negative appraisal of daily living, as the person concerned can no longer achieve what he or she aspires. However, studies have shown that even an irre- versible change of functioning does not necessarily lead to an infinite neg- ative appraisal (20). How can an aspiration-achievement gap in a situation of irreversible loss of functioning, be reconciled with negative appraisal turning positive again? And if this ‘turning positive’ reflects adaptation, can this process of adaptation be explained in terms of functioning, and the paradox be eliminated? But to do so, I first operationalise functioning and individual experience, in section 3. Examples of lower-order functioning are standing, balancing, grasping, holding, and chewing. Again a lower-order functioning is muscle contraction, vision, proprioception, for example. Yet, an intentional activity, lasting for a moment, is usually performed in a context of a pursuit. Pursuits are not observable ex- cept for the present intentional activity that forms part of it. For the practice of re- habilitation, short-term pursuits might be usefully distinguished from long- term pursuits. My de- scription of daily living is to some extent similar to Whitbeck’s definition of health (12), but daily living does not automatically imply health. Daily living is the engagement in distinctively human activities that is directed towards (but not necessarily effectively supportive of) the person’s goals and aspirations. A way of representing levels of functioning based on the notion of a hierarchy of complexity. It is composed of sev- eral lower-level basic activities ba, each of which in its turn is composed of several basic functions bf. Several intentional activities form a short-term pursuit ptst and several short- term pursuits form a long-term pursuit ptlt. The symbol −< indicates from left to right ‘has as com- ponents’; from right to left ‘are component of’. In the following sections, I will operationalise the different levels of functioning. Individual experience will be operationalised using Lazarus’ description of appraisal (18). Relevant levels of functioning are intentional activity, basic activity and basic function. In Figure 3 the com- ponent aspect is reflected not by using branching but using a symbol for a set of components. The symbol −< indicates from left to right ‘has as components’; from right to left ‘are component of’. I propose the following description: An activity can be designated an intentional activity for a particular person – if an instant and single aim, or intention, pertains to that activity, and – if in relation to that activity a pursuit or aspiration can be identified that renders the attainment of the intention of that activity meaning- ful or valuable for that person. Communication Personal care Relationships • to inform • to sleep • to share objects • to explain •to eat and to drink • to take turns • to understand • to wash and to groom • to co-operate • to sympathise • to dress or undress • to join in • to comfort • to maintain continence • to greet • to cuddle Mobility Occupation • to make love •to use different forms • to provide for meals of transport • to carry out household activities • to go around walking • to carry out professional activities • to carry out leisure activities 1 Adapted from the Rehabilitation Activities Profile developed by Bennekom and Jelles (23). Outcomes of measurement of intentional activities can be related to performance as well as to reaching the intention. Also the attainment of an aspiration could serve as an outcome of measurement of intentional ac- tivity, but such an outcome represents a distal outcome, relating less di- rectly to the intentional activity. Outcomes relating to performance of an activity can be described in terms of action characteristics, e.
Heart patients improved order generic prednisone line allergy forecast davis ca, and patients with blocked arteries in the legs buy discount prednisone 40 mg online allergy medicine safe pregnancy, particularly those with diabetes, avoided amputation. However, it now seems more related to chelating out excess iron and copper, minerals that, in the presence of oxygen, stimulate free radicals. Free radicals damage the cells in the artery and are a primary reason for atherosclerosis. The conclusion from a Cochrane review summarizes the situation well: “At present, there is insufﬁcient evidence to decide on the effectiveness or ineffectiveness of chelation therapy in improving clinical outcomes of patients with atherosclerotic cardiovascular disease. Once angina has developed, restoring proper blood supply to the heart and enhancing energy production within the heart are necessary. Particularly important nutrients for accomplishing these results are vitamins C and E, carnitine, pantethine, CoQ10, magnesium, and arginine. Magnesium is of additional beneﬁt because of its ability to relax spastic coronary arteries and improve heart function. Hawthorn berries or extracts offer a number of beneﬁts to individuals with angina, including coronary artery dilation and improved heart muscle metabolism. Individuals with unstable angina pectoris (characterized by a progressive increase in the frequency and severity of pain, increased sensitivity to precipitating factors, progression of symptoms over several days, and prolonged coronary pain) require immediate medical attention. Diet The dietary guidelines given in the chapter “A Health-Promoting Diet,” as well as in the chapter “Heart and Cardiovascular Health,” are appropriate here. Onions and garlic (both raw and cooked), vegetables, and ﬁsh should also be increased, while the consumption of saturated fats, cholesterol, sugar, and animal proteins should be reduced. Patients with reactive hypoglycemia should eat regular meals and carefully avoid simple carbohydrates of all forms (e. Stress should be decreased by the use of stress management techniques such as progressive relaxation, meditation, and guided imagery. A carefully graded, progressive aerobic exercise program (30 minutes three times per week) is a necessity. Anxiety differs from fear in that while fear is a rational response to a real danger, anxiety usually lacks a clear or realistic cause. Though some anxiety is normal and even healthy, higher levels of anxiety not only are uncomfortable but also can lead to significant problems. The most common symptoms relate to the chest, such as heart palpitations (awareness of a more forceful or faster heart beat), throbbing or stabbing pains, a feeling of tightness or inability to take in enough air, and a tendency to sigh or hyperventilate. Tension in the muscles of the back and neck often leads to headaches, back pains, and muscle spasms. Other symptoms can include excessive sweating, dryness of the mouth, dizziness, digestive disturbances, and the constant need to urinate or defecate. Anxious individuals usually have a constant feeling that something bad is going to happen. They may fear that they have a chronic or dangerous illness—a belief that is reinforced by the symptoms of anxiety. Inability to relax may lead to difficulty in getting to sleep and constant waking in the night. Panic Attacks Severe anxiety will often produce what are known as “panic attacks”—intense feelings of fear. Panic attacks may occur independently of anxiety but are most often associated with generalized anxiety or agoraphobia. Causes Clinical anxiety, including panic attacks, can be produced by psychological problems as well as by biochemical factors such as caffeine, certain other drugs, and the infusion of lactate into the blood. The fact that these compounds can produce anxiety and panic attacks can be put to good use in understanding the underlying biochemical features of anxiety. Perhaps the most signiﬁcant biochemical disturbance noted in people with anxiety and panic attacks is an elevated blood lactic acid level and an increased ratio of lactic acid to pyruvic acid. Lactate (the soluble form of lactic acid) is the ﬁnal product in the breakdown of blood sugar (glucose) when there is a lack of oxygen. To illustrate how lactic acid is produced, let’s take the classic example of the exercising muscle. Muscles prefer to use fat as their energy source, but when you exercise vigorously there isn’t enough oxygen, so the muscle must burn glucose. Without oxygen, there is a buildup of lactic acid within the muscle; this is what causes muscle fatigue and soreness after exercise. Lactic Acid Conversion to Pyruvic Acid or Glucose The ﬁrst few steps of normal glucose breakdown can occur without oxygen, until pyruvic acid is produced. The next steps require oxygen and end in the complete breakdown of pyruvic acid to carbon dioxide and water. Because the exercising muscle needs energy, the muscle cells continue to convert glucose to pyruvic acid in a process referred to as anaerobic metabolism. With good circulation, the lactic acid is removed from the muscle and transported to the liver, where it can be turned back into pyruvic acid or even glucose if needed. All of this biochemistry plays a role in anxiety, because individuals with anxiety have elevated blood levels of lactate and a higher ratio of lactic acid to pyruvic acid when compared with normal controls. Furthermore, if people who get panic attacks are injected with lactate, severe panic attacks are produced. Reducing the level of lactate is a critical goal in the treatment of anxiety and panic attacks. Therapeutic Considerations The natural approach to anxiety builds upon the recommendations given for stress in the chapter “Stress Management. If you suffer from mild anxiety, follow all of the recommendations given in that chapter for diet, exercise, nutritional supplementation, calming the mind and body, and taking an adrenal adaptogen. If you suffer from moderate to severe anxiety, follow all of the recommendations in that chapter as well as those discussed below; substitute kava for the adrenal adaptogen. Lactate Levels As pointed out previously, increased lactic acid levels may be an underlying factor in panic attacks and anxiety. The goal is to prevent the conversion of pyruvic acid to lactic acid and to improve the conversion of lactic acid back to pyruvic acid. There are at least six nutritional factors that may be responsible for elevated lactate levels or ratios of lactic acid to pyruvic acid:1 1. Food allergens By avoiding alcohol, caffeine, sugar, and food allergens, people with anxiety can go a long way toward relieving their symptoms. This recommendation may seem too simple to be valid, but substantial clinical evidence indicates that in many cases it is all that is necessary. For example, one study dealt with four men and two women who had generalized anxiety or panic disorder. Follow-up exams 6 to 18 months afterward indicated that ﬁve out of the six patients were completely without symptoms; the sixth patient became asymptomatic with a very low dose of Valium. By following the guidelines in the chapter “A Health-Promoting Diet,” as well as the recommendations for nutritional supplementation given in the chapter “Supplementary Measures,” you will provide your body with the kind of nutritional support it needs to counteract the biochemical derangements found in patients with anxiety and panic attacks. Nutritional Supplements Omega-3 Fatty Acids Anxiety and depression appear to be linked to lower levels of omega-3 fatty acids. A high intake of omega-6 fatty acids (found in corn-fed animal products, dairy products, and common vegetable oils such as corn, soy, safﬂower, and sunﬂower) and a low intake of omega-3 fatty acids (found in ﬁsh, ﬁsh oils, and ﬂaxseed oil) can lead to an ampliﬁcation in the production of these cytokines. So increasing the intake of omega-3 fatty acids and lowering the intake of omega-6 fatty acids may help to reduce anxiety and depression.
Affected birds have a low or normal plasma to a difference in concentration of albumin buy discount prednisone on line allergy treatment toddler. In young in the Peregrine Falcon was derived on the basis of birds purchase generic prednisone on line allergy testing hurt, rickets or rachitis is seen as a result of calcium- the total protein concentration. Application of a correction formula in African Grey Secondary hyperparathyroidism due to a renal disor- Parrots and Peregrine Falcons is indicated when der is well known in mammals and possibly occurs extremely low or extremely high plasma protein con- also in birds. Under these circumstances, a uret method is used with human protein as a stand- high plasma phosphate concentration may be seen ard, and albumin is calculated from total protein and due to decreased tubular secretion of phosphate. This condition has not Hyperparathyroidism is a condition whereby there is been reported in birds. In man primary hy- perparathyroidism may occur from hyperplasia, ade- Rickets noma or carcinoma of the parathyroid gland. The Rickets or rachitis is a metabolically induced bone most common presentation is a renal disorder due to disease in growing animals. The sec- cur throughout the skeleton, particularly in the ond most common presentation is bone disease proximal tibiotarsus, the head of the ribs and some- (osteitis fibrosa generalisata), while the third mode times the costochondral junction. Rick- hyperparathyroidism is a condition characterized by ets can be caused by inadequate dietary intake of hypercalcemia caused by the release of hormone-like calcium, phosphorus or vitamin D3 or by an improper substances from nonendocrine tumors; however, calcium:phosphorus ratio. With calcium and vitamin with neoplasm, hypercalcemia may also occur from D deficiencies, the resulting hypocalcemia induces widespread skeletal deposits of metastatic tumors, enlargement of the parathyroid gland (nutritional with associated increased osteoclastic activity. Consistent para- trary to the situation in man and domestic mammals, thyroid gland changes are not typical with a phos- primary hyperparathyroidism and pseudohyperpa- phate deficiency or excessive calcium intake. Tachypnea and polycythemia have been observed in Secondary nutritional hyperparathyroidism is com- birds with rickets, presumably because of poor rib monly reported in birds secondary to a calcium-defi- strength and infolding of ribs. The resorbed osseus tissue can be re- placed by fibrous tissue (osteodystro- phia fibrosa). The cortical bone can become so thin that spontaneous fractures may occur, especially in the vertebrae, ribs, tibiotarsus, tar- sometatarsus and femur. The frac- tures are typical for demineralized bone and are called “greenstick frac- tures. Plasma calcium concentrations remain gen- erally normal until the end stage of the disease, when tetanic convulsions may be observed. Although cal- cium deficiencies accompanied by pathologic frac- tures seem relatively common in psittacine birds, nutritional osteodystrophia fibrosa is rarely diag- nosed. A possible explanation might be that his- tologic examination of bones is not often performed. Osteoporosis To a certain degree, osteoporosis (cage layer fatigue) is physiologic during egg production. The hen had a three-year history of egg laying and had recently laid her second egg of the year. The bird appeared to have head tremors, was unable to stand and both wings were drooping. Histopathology indicated egg-related peritonitis, parathyroid hyperplasia and severe osteoporosis suggestive of secondary nutritional hyperparathyroidism. Etiologic factors may be immo- bilization, which is a well known cause for osteoporosis in man, and marginal nutritional calcium defi- ciency, which can alter the physi- ologic osteoporosis from high egg pro- duction into severe osteoporosis with associated clinical signs. Affected birds are found paralyzed in their enclosures, and have skeletal de- formities and enlarged parathyroid glands. Paralysis may be explained by spinal cord compression due to fractures in the thoracic spine and possibly by hypocalcemia, although the latter has not yet been demonstrated. Calcium nephropathy can also occur when birds are raised on diets containing 3% calcium instead of the normal 0. Hypocalcemia Syndrome in African Grey Parrots Hypocalcemia characterized by seizures has been described in raptors and African Grey Parrots. A unique feature of this syndrome in African Grey Parrots is that demineralization of the skeleton to maintain normal calcium levels does not occur. Hypo- calcemia is an important problem to consider in an African Grey Parrot that repeatedly falls off its perch. Administration of parenteral calcium and suf- ficient dietary uptake of calcium resolves clinical signs. A dietary calcium deficiency is suspected, but not confirmed as the etiologic agent. The higher incidence of hypocalcemia in dosteal bone formation and a distended abdomen secondary to African Grey Parrots might therefore be associated oviductal enlargement. These findings are suggestive of hyperes- with lower plasma concentrations of free calcium. Polyostotic Hyperostosis and polyostotic hyperostosis may be related, and the In female budgerigars, polyostotic hyperostosis (Fig- latter may be a pathologic exacerbation of a physi- ure 23. Hy- fication is often seen in association with ovarian perestrogenism has also been associated with ab- tumors. The basement membrane is in contact with the blood vessels, while the opposite cell membrane faces the colloid. Compared to the thyroid gland in mammals, the avian thyroid produces more T4 than T3. The activity of the 5’-monodeiodination sively enlarging abdominal mass, weight loss and a reduced fecal enzyme is hormonally controlled by hypothalamic output despite a normal appetite. Pathology Histologic examination of the thyroid gland is a use- ful and reliable means of differentiating between various thyroid disorders. The Thyroid Glands In primary hypothyroidism, there is a loss of follicles resulting either from thyroiditis or atrophy, while in secondary or tertiary hypothyroidism, the thyroid Anatomy and Physiology follicles are distended with colloid and the lining epithelial cells become flattened. The colloid is uni- The thyroid glands in birds are paired organs that lie formly dense with complete or nearly complete ab- on each side of the trachea in the thoracic inlet. A sence of resorption vacuoles at the periphery of the connecting isthmus is absent. Venous return is In endemic goiter (caused by iodine deficiency), the through the thyroid veins, which empty into the thyroid gland is diffusely enlarged because of cellular jugular vein. The ac- thyroid gland lacks calcitonin cells, which are located cumulation of thyroglobulin occurs because poorly in the ultimobranchial glands. Some thyroid areas The thyroid lobes are composed of follicles sur- may atrophy with concomitant fibrosis. The pathologic changes result in considerable Goiter in Budgerigars destruction of the thyroid. Lymphocytic infiltration The most frequent clinical disease of the thyroid of the thyroid gland is also a common finding with gland in birds is goiter in budgerigars, caused by leukosis in chickens, and it may be difficult to differ- feeding an iodine-deficient diet (usually seed mix- entiate autoimmune thyroiditis from leukosis. In budgerigars with goiter, clinical changes associated with tuberculosis or other chronic infec- are limited to regurgitation and dyspnea caused by tions, especially in Anseriformes. Specific signs of hypothyroid function are Normal thyroid histology is also dependent on the absent. The size of the tivity can be observed in molting pigeons: the height glands can exceed 10 mm compared to a normal size of the thyroid epithelium increases and colloid is 100 of about 2 mm, while the weight can show a 100-fold resorbed from the follicles.
By N. Harek. Clark College.