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25. Constitution, role in pathology, types classification.

Constitution is a complex of morphological, functional and psychical organism peculiarities, rather stable, determining its reactivity which is based on hereditary ground under environmental factors influence.

Role: it defines organism individual reactivity, its adaptative distinguishing features, physiological and pathological processes courses peculiarities as well as pathological predisposition (ALSO TO N.21).

Types classification (also to n.21 – CONSTITUTION ROLE IN PATHOLOGICAL PROCESSES):

1. Classification of Hippocrat. One can differentiate sanguinics, cholerics, phlegmatics and melancholics dependently on human being temperamentum peculiarities and his behavior in society.

2. Classifiation of Sigo. Principle of primary development of one or another physiological system lies in its basis. Following types: respiratory, alimentary (digestive), muscular and cerebral.

3. Krechmer’s classification – it links human being morphological features with his psychics peculiarities and frequency of definite psychical diseases. Types: athletic, picnic, asthenic.

4. By A.M.Chernorutsky: people are differentiates to normosthenics, hyposthenics and hypersthenics according to main functions and metabolism.

5. By A.A.Bogomolets: it is based on connective tissue structure and functions peculiarities in organism. Types: fibrous, lipomatous, pastous (oedematic), asthenic. Fibrous type has solid fibrous connective tissue, lipomatous – excessive development of adipous tissue, oedematic – odematic, soft connective tissue dominance, asthenic – solid, thin mesenchyme.

6. Classification by I.Pavlov. One can tell about artistic (with first signal system dominance) and mental (with second signal system dominance) types (dependently on first and second signal systems correlation). People with artistic type are suffering from shizophreny, mental one – from manias.

26. Diatheses.

Diathesis is constitution special anomaly characterized by organism ubnormal reaction to physiological and pathological stimuli. It is expressed the mostly often in childhood when homeostatic mechanisms are not completely maturated.

Exsudative-cataral – child appearance is normal or oedematic. Inflammatory processes with exsudate formation and allergy reactions are very easily to be developed. Clinical picture is the following: skin eczema, bronchial asthma, oedema Quinke.

Lymphatic-hypoplastic diathesis – person’s appearance is characterized by oedema, pale skin, muscular system weak development, lymphatic nodes increasing. Angine and pharyngitis are often, lymphocytes number is increased in blood. Predisposition to autoallergic diseases.

Nervous-arthritic – human appearance is normal or oedematic, obesity is possible. Nervous system hyperexcitability. Predisposition to non-infectious joints deforming diseases, cutaneous diseases (like eczema), gout, obesity, rheumatism.

Asthenic – is characterized by total adynamy, vascular reactions lability. Visceral organs ptosis is very often.

27. Stress, general adaptation syndrome.

Stress – is a state of non-specific adaptative mechanisms tension occurring at excessive (superliminal) factors action to organism. Clinical manifestation is complex of structural, functional and biochemical changings receiving the name “general adaptational syndrome”. The term “stress” was described first and introduced in usage by Hans Selie in 1936.

General adaptational syndrome morphological features.

Multiple pathogenic factors action to organism independently on their features and origin gives standard answer which is expressed in morphological triad:

  1. suprarenal cortex hypertrophy;

  2. thymic-lymphocytic system involution namely thymus and lymphatic nodes atrophy;

  3. ulcers and erosions formation in stomach and intestines.

Stages:

    1. Anxiety stage:

a) shock substage is characterized by short-termed resistence decreasing to pathogenic factor;

b) contrshock substage – organism resistance first is restored and then is increased.

    1. Resistance stage – is characterized by stable and prolonged increasing of organism resistane both to stressogenic factor and to others.

    2. Exhaustion stage – appears at very intensive or prolonged pathogenic factor action as well as under adaptational mechanisms functional weakness conditions. It is accompanied by organism resistance reducing to pathogenic influencings.

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