Preoperational anxiety, or preoperative anxiety, is a common reaction experienced by patients who are admitted to a hospital for surgery. [1] It can be described as an unpleasant state of tension or uneasiness that results from a patient's doubts or fears before an operation. [1]
The State-Trait Anxiety Inventory (STAI) is a widespread method of measuring preoperative anxiety for research purposes. It consists of two 20-item scales on which patients are asked to rate particular symptoms. [2]
The STAI is based on the theory that there are two distinct aspects of anxiety. The State scale is designed to measure the circumstantial or temporary arousal of anxiety, and the Trait scale is designed to measure longstanding personality characteristics related to anxiety. The items on each scale are based on a two-factor model: "anxiety present" or "anxiety absent". [2]
In a 2009 paper in TheJournal of Nursing Measurement, researchers argued that fast-paced hospital environments make it difficult to get each patient through all 20 items, especially when other assessments must also be done. [2] Shorter versions of the STAI have been developed. For example, Marteau and Bekker's six-item version of the State scale was found in 2009 to have "favorable internal consistency reliability and validity when correlated with the parent 20-item State scale". [2]
A variety of fears can cause preoperative anxiety. They include fear of:
Other factors in the intensity of preoperative anxiety are:
Irving Janis separates the factor trends that are commonly seen affecting anxiety into three different levels: [6] [ needs update ]
Anxiety can cause physiological responses such as tachycardia, hypertension, elevated temperature, sweating, nausea, and a heightened sense of touch, smell, or hearing. [1] [3]
A patient may also experience peripheral vasoconstriction, which makes it difficult for the hospital staff to obtain blood. [1]
Anxiety may cause behavioral and cognitive changes that result in increased tension, apprehension, nervousness, and aggression. [1]
Some patients may become so apprehensive that they cannot understand or follow simple instructions. Some may be so aggressive and demanding that they require constant attention of the nursing staff. [1]
In research conducted by Irving Janis, common reactions and strategies were separated into three different levels of preoperative anxiety:
Low anxiety
Patients in this category tend to adopt a joking attitude or to say things like "there's nothing to it!" Because most pain is not preconceived by the patient, the patients tends to blame their pain on the hospital staff. [6] In this case, the patient feels as if they have been mistreated. This is because the patient doesn't have the usual mindset that pain is an unavoidable result of an operation. [6]
Other trends include displaying a calm and relaxed attitude during preoperative care. They don't usually experience any sleeping disturbances. [6] They also tend to make little effort to seek more information about medical procedures. This may be due to the fact that they are unaware of the potential threats, or it may just be because they have succeeded in shutting themselves out and eliminating all thought of doubt and fear. [6]
The main concern that low anxiety patients tend to express is finances, and they usually deny apprehension about operational dangers. [6]
Moderate anxiety
Patients in this category may only experience minor emotional tension. The occasional worry or fear that is experienced by a patient with moderate anxiety can usually be suppressed. [6]
Some may develop insomnia, but they also usually respond well to mild sedatives. Their outward manner may seem relatively calm and well controlled, except for small moments where it is apparent to others that the patient is suffering from an inner conflict. They can usually perform daily tasks, only becoming restless from time to time. [6]
These patients are usually very motivated to develop reliable information from medical authority in order to reach a point of comfortable relief. [6]
High anxiety
Patients in this category will usually try to reassure themselves by seeking information, but these attempts, in the long-run, are unsuccessful at helping the patient reach a comfortable point because the fear is so dominant. [6]
It is common for patients in this level of anxiety to engage in mentally distracting activities in an attempt to get their mind off of anticipated danger. They have a hard time idealizing their situation or maintaining any sort of conception that things could turn out well in the end. This because they tend to dwell on improbable dangers. [6]
On the positive side, if a patient experiences moderate amounts of anxiety, the anxiety can aid in the preparation for surgery. [1] On the negative side, the anxiety can cause harm if the patient experiences an excessive or diminutive amount. One reason for this is that small amounts of anxiety will not adequately prepare the patient for pain. [1] Also, higher levels of anxiety can over-sensitize the patient to unpleasant stimuli, which would heighten their senses of touch, smell or hearing. This results in intense pain, dizziness, and nausea. It can also increase the patient's feelings of uneasiness in the unfamiliar surroundings. [4]
Anxiety has also been proven to cause higher analgesic and anaesthetic requirement, postoperative pain, and prolonged hospital stay. [7]
Irving L. Janis separates the effects of preoperative anxiety on postoperative reactions into three levels: [6]
Treatment of preoperative anxiety may include:
Surgery is a medical specialty that uses manual and instrumental techniques to diagnose or treat pathological conditions, to alter bodily functions, to reconstruct or improve aesthetics and appearance, or to remove unwanted tissues or foreign bodies. The subject receiving the surgery is typically a person, but can also be a non-human animal.
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Postoperative nausea and vomiting (PONV) is the phenomenon of nausea, vomiting, or retching experienced by a patient in the post-anesthesia care unit (PACU) or within 24 hours following a surgical procedure. PONV affects about 10% of the population undergoing general anaesthesia each year. PONV can be unpleasant and lead to a delay in mobilization and food, fluid, and medication intake following surgery.
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A post-anesthesia care unit (PACU) and sometimes referred to as post-anesthesia recovery or PAR, or simply recovery, is a part of hospitals, ambulatory care centers, and other medical facilities. Patients who received general anesthesia, regional anesthesia, or local anesthesia are transferred from the operating room suites to the recovery area. The patients are monitored typically by anesthesiologists, nurse anesthetists, and other medical staff. Providers follow a standardized handoff to the medical PACU staff that includes, which medications were given in the operating room suites, how hemodynamics were during the procedures, and what is expected for their recovery. After initial assessment and stabilization, patients are monitored for any potential complications, until the patient is transferred back to their hospital rooms.
The perioperative period is the period of a patient's surgical procedure. It commonly includes ward admission, anesthesia, surgery, and recovery. Perioperative may refer to the three phases of surgery: preoperative, intraoperative, and postoperative, though it is a term most often used for the first and third of these only - a term which is often specifically utilized to imply 'around' the time of the surgery. The primary concern of perioperative care is to provide better conditions for patients before an operation and after an operation.
Phantom eye syndrome (PES) is a phantom pain in the eye and visual hallucinations after the removal of an eye.
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The State-Trait Anxiety Inventory (STAI) is a psychological inventory consisting of 40 self-report items on a 4-point Likert scale. The STAI measures two types of anxiety – state anxiety and trait anxiety. Higher scores are positively correlated with higher levels of anxiety. Its most current revision is Form Y and it is offered in more than 40 languages.
Emergence delirium is a condition in which emergence from general anesthesia is accompanied by psychomotor agitation. Some see a relation to pavor nocturnus while others see a relation to the excitement stage of anesthesia.
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