Geriatric anesthesia

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Geriatric anesthesia (or geriatric anaesthesia) is the branch of medicine that studies anesthesia approach in elderly.

Contents

Origin

The perioperative care of elderly patients differs from that of younger patients for a number of reasons. Some of these can be attributed to the changes that occur in the process of aging, but many are also caused by diseases that accompany seniority. The distinction between so-called normal aging and pathological changes is critical to the care of elderly people. Anesthesia and surgery has become more common as the population survives longer. Perioperative management of the geriatric patients requires knowledges about changes associated with aging physiology and its relation to surgery and anesthesia. Only experienced anesthetists can evaluate patients effectively and plan for their perioperative care to minimize complications. Comprehensive preoperative evaluation of an elderly individual's health status can be a very challenging aspect, especially for the young anesthetist. Sir William Osler's aphorism "Listen to the patient, he'll give you the diagnosis" is as true in the elderly patient as it is in the young. But in the elderly several factors makes taking history more difficult and time-consuming.

Many differences can be seen in geriatric anesthesia. First, the preoperative evaluation of the geriatric patient is typically more complex than that of the younger patient because of the heterogeneity of this patient group and the greater number and complexity of comorbid conditions that usually accumulate with age. Perioperative functional status can be difficult to predict because many elderly patients have reduced preoperative function as a consequence of deconditioning, age-related disease, or cognitive impairment. This makes it difficult to adequately assess the patient's ability to respond to the specific stresses associated with surgery. A common example is trying to determine cardiopulmonary reserve in a patient very limited by osteoarthritis. Physiologic heterogeneity and decreased functional reserve are also manifested perioperatively. Normal aging results in changes in cardiac, respiratory, and renal physiology, and the response of the elderly patient to surgical stress is often unpredictable. The pharmacokinetics and pharmacodynamics of elderly and younger patients also differ; moreover, the elderly patient's use of multiple medications may alter homeostatic mechanisms. [1]

Training and education programs

A Syllabus on Geriatric Anesthesiology is available from the American Society of Anesthesiologists. [2]

Online resources [3] are also available [4] as the Geriatric Anesthesiology Curriculum. [5]

Graduate medical education in the United States is regulated by the Accreditation Council for Graduate Medical Education (ACGME) and the American Osteopathic Association Bureau of Osteopathic Specialists (AOABOS). Each program must provide “appropriate didactic instruction and sufficient clinical experience in managing problems of the geriatric population.” The published joint ASA/American Board of Anesthesiology content outline for in-training examinations also includes a section on “Geriatric Anesthesia/Aging: The Pharmacological Implications, MAC Changes and the Physiological Implications on Major Organ Systems.” These mandates make geriatric education a requirement for any program in anesthesiology. This is not the rule in all graduate medical education programs.[ citation needed ] A recent survey by the Association of Directors of Geriatric Academic Programs reviewed ACGME policies required by 100 nonpediatric programs. They found that only 27 of these programs had specific requirements for geriatric training; anesthesiology and pain management were two of these. [6]

Organization and societies

The Society for the Advancement of Geriatric Anesthesia (SAGA) is dedicated to improving the care of the older patient coming to surgery. It offers educational programs at its annual meeting as well as at meetings of other anesthesia societies. It also offer educational support for anesthesia training programs. [7] The Age Anaesthesia Society is the UK equivalent of SAGA. [8]

Related Research Articles

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Anesthesia is a physiological state of controlled, temporary loss of sensation or awareness that is induced for medical or veterinary purposes. It may include some or all of analgesia, paralysis, amnesia, and unconsciousness. An individual under the effects of anesthetic drugs is referred to as being anesthetized.

<span class="mw-page-title-main">General anaesthesia</span> Medically induced coma

General anaesthesia (UK) or general anesthesia (US) is a method of medically inducing loss of consciousness that renders a patient unarousable even with painful stimuli. This effect is achieved by administering either intravenous or inhalational general anaesthetic medications, which often act in combination with an analgesic and neuromuscular blocking agent. Spontaneous ventilation is often inadequate during the procedure and intervention is often necessary to protect the airway. General anaesthesia is generally performed in an operating theater to allow surgical procedures that would otherwise be intolerably painful for a patient, or in an intensive care unit or emergency department to facilitate endotracheal intubation and mechanical ventilation in critically ill patients.

<span class="mw-page-title-main">Anesthesiology</span> Medical specialty concerned with anesthesia and perioperative care

Anesthesiology, anaesthesiology, or anaesthesia is the medical specialty concerned with the total perioperative care of patients before, during and after surgery. It encompasses anesthesia, intensive care medicine, critical emergency medicine, and pain medicine. A physician specialized in anesthesiology is called an anesthesiologist, anaesthesiologist, or anaesthetist, depending on the country. In some countries, the terms are synonymous, while in other countries they refer to different positions, and anesthetist is only used for non-physicians, such as nurse anesthetists.

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<span class="mw-page-title-main">Certified Registered Nurse Anesthetist</span> Professional title for nurse anesthetists in the United States

A Certified Registered Nurse Anesthetist (CRNA) is a type of advanced practice nurse who administers anesthesia in the United States. CRNAs account for approximately half of the anesthesia providers in the United States and are the main providers (80%) of anesthesia in rural America. Historically, nurse anesthetists have been providing anesthesia care to patients for over 150 years since the American Civil War and the CRNA credential came into existence in 1956. CRNA schools issue a doctorate of nursing anesthesia degree to nurses who have completed a program in anesthesia, which is roughly 3 years in length.

Perioperative mortality has been defined as any death, regardless of cause, occurring within 30 days after surgery in or out of the hospital. Globally, 4.2 million people are estimated to die within 30 days of surgery each year. An important consideration in the decision to perform any surgical procedure is to weigh the benefits against the risks. Anesthesiologists and surgeons employ various methods in assessing whether a patient is in optimal condition from a medical standpoint prior to undertaking surgery, and various statistical tools are available. ASA score is the most well known of these.

A post-anesthesia care unit, often abbreviated PACU and sometimes referred to as post-anesthesia recovery or PAR, or simply Recovery, is a vital 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, certified registered 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 American Society of Anesthesiologists (ASA) is an educational, research and scientific association of physicians organized to raise the standards of the medical practice of anesthesiology and to improve patient care.

The ASA physical status classification system is a system for assessing the fitness of patients before surgery. In 1963 the American Society of Anesthesiologists (ASA) adopted the five-category physical status classification system; a sixth category was later added. These are:

  1. Healthy person.
  2. Mild systemic disease.
  3. Severe systemic disease.
  4. Severe systemic disease that is a constant threat to life.
  5. A moribund person who is not expected to survive without the operation.
  6. A declared brain-dead person whose organs are being removed for donor purposes.

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David L. Reich is an American academic anesthesiologist, who has been President & Chief Operating Officer of The Mount Sinai Hospital, and President of Mount Sinai Queens, since October 2013.

The International Anesthesia Research Society (IARS) is an international, professional medical society dedicated to improving clinical care, education and research in anesthesia, pain management, and perioperative medicine. It was founded in 1922 by Francis Hoeffer McMechan.

Neurosurgical anesthesiology, neuroanesthesiology, or neurological anesthesiology is a subspecialty of anesthesiology devoted to the total perioperative care of patients before, during, and after neurological surgeries, including surgeries of the central (CNS) and peripheral nervous systems (PNS). The field has undergone extensive development since the 1960s correlating with the ability to measure intracranial pressure (ICP), cerebral blood flow (CBF), and cerebral metabolic rate (CMR).

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The following outline is provided as an overview of and topical guide to anesthesia:

<span class="mw-page-title-main">Kelly McQueen</span> American anesthesiologist and global health expert

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<span class="mw-page-title-main">Alex Bekker</span> Physician, author and academic

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References

  1. "GERIATRIC ANESTHESIA by David J Cook" (PDF). Archived from the original (PDF) on 2006-05-30. Retrieved 2008-11-09.
  2. "Syllabus on Geriatric Anesthesiology, American Society of Anesthesiologists". Archived from the original on 2008-10-11. Retrieved 2008-11-09.
  3. Useful Geriatric Anesthesiology Resources
  4. "GERIATRIC ANESTHESIA by David J Cook" (PDF). Archived from the original (PDF) on 2006-05-30. Retrieved 2008-11-09.
  5. "Geriatric Anesthesiology Curriculum" (PDF). Archived from the original (PDF) on 2008-12-03. Retrieved 2008-11-09.
  6. "Geriatric Education: 'Start Low, Go Slow', ASA NEWSLETTER". Archived from the original on 2008-05-15. Retrieved 2008-11-09.
  7. The Society for the Advancement of Geriatric Anesthesia (SAGA)
  8. Age Anaesthesia Society in the UK