Anesthesia types, advantages and disadvantages

General anesthesia (GA) is the state of induced unconsciousness, It is the state produced when the patient receives the medications for amnesia, analgesia, the muscle paralysis, and sedation, The anesthetized patient can be thought of as being in a controlled, reversible state of unconsciousness.

Advantages of Anesthesia

General anesthesia enables the patient to tolerate the surgical procedures that would otherwise inflict the unbearable pain, the potentiate extreme physiologic exacerbations, There are three components to the anesthesia, They are Analgesia (the pain relief), Amnesia ( the loss of memory) and Immobilisation.

General anesthesia reduces intraoperative patient awareness and recall, It allows the proper muscle relaxation for the prolonged periods of time, It facilitates complete control of the airway, the breathing, and the circulation, It can be used in cases of sensitivity to the local anesthetic agent, It can be administered without moving the patient from the supine position.

General anesthesia can be adapted easily to the procedures of unpredictable duration or extent, It can be administered rapidly and it is reversible, The patient is not unduly stressed during the procedure, It allows complete stillness over prolonged periods of time, and it permits the surgery in widely separated areas of the body at the same time.

The anesthetic

Anesthetic

The local anesthesia injection numbs just the part of your body requiring minor surgery or a procedure (numbing the small area), The side effects of local anesthesia injection are minimal and they are related to how much the anesthesia is injected.

Disadvantages of Anesthesia

General anesthesia requires the increased complexity of care and the associated costs, It requires some degree of preoperative patient preparation, It is associated with less serious complications such as nausea or vomiting, the headache, shivering, and the delayed return to the normal mental functioning.

General anesthesia is associated with the malignant hyperthermia, the rare inherited muscular condition due to the exposure to some general anesthetic agents that results in the acute and potentially lethal temperature rise, the hypercarbia, the metabolic acidosis, and the hyperkalemia.

The general anesthesia causes the greatest number of side effects and complications, It causes sore throat (caused by the devices used to keep the airway open), It causes the drowsiness or feeling tired hours after the surgery, the dizziness, and the vision problems, and the damage to the teeth (caused by airway devices).

The general anesthesia also carries the risk for serious complications such as Stroke, The heart attack, The brain damage, The death, The patient’s risk depends on several factors including the age, the sex, the allergies, the overall the health, underlying medical conditions, and the current use of tobacco, alcohol, and the drugs.

The general anesthesia requires a special team of a doctor and technicians, It requires complex and costly machinery, It carries the major risk of the myocardial infarction or the stroke, and it causes the malignant hyperthermia, certain inhaled anesthetics can trigger the disorder called malignant hyperthermia in the people who carry the gene for it.

The regional anesthesia has the higher risk of side effects and complications, It may cause the spinal fluid loss which occurs when the anesthetic is injected, The headache is often accompanied by nausea, vomiting, dizziness, the light sensitivity, and the stiff neck, It causes Hypotension (low blood pressure).

The regional anesthesia causes inability to the urinate (usually temporary and relieved by catheterization), It causes the backache, It causes much less frequently, infection, the nerve damage or the permanent paralysis can occur, It causes temporary weakness or paralysis of the affected area, It causes the headache following the spinal and the epidural anesthesia.

The side effects of the anesthesia can occur during the surgery or procedure, or afterward, The side effects vary, depending on what kind of anesthesia you have the general, the regional or the local.

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