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at the Fitzsimons Army Medical Center .]]

In Medicine , surgery (from the Greek meaning "hand work") is the medical specialty that treats Disease s or injuries by operative manual and instrumental treatment. Surgeon s may be Physician s, Dentist s, or Veterinarian s who specialize in surgery.

The term ''surgery'' can also refer to the place where surgery is performed, or simply the office of a physician, dentist, or veterinarian.


HISTORY

See Also: History of surgery



At least two prehistoric cultures had developed forms of surgery. The oldest for which we have evidence is , where a Mandible dated to approximately 2650 BC shows two perforations just below the root of the first Molar , indicating the draining of an abscessed Tooth . Recent excavations of the construction workers of the Egyptian Pyramids also led to possible evidence of Brain Surgery .

The oldest known surgical texts date back to India n physician Sushruta , the "Father of Surgery", who taught and practiced surgery on the banks of the Ganges around 600 BC. Much of what is known about Sushruta is contained in a series of volumes he authored, which are collectively known as the ''Susrutha Samhita''. It is the oldest known surgical text and it describes in great detail the examination, diagnosis, treatment, and prognosis of numerous ailments, as well as procedures on performing various forms of Plastic Surgery , such as cosmetic surgery and Rhinoplasty .http://www.jpgmonline.com/article.asp?issn=0022-3859;year=2002;volume=48;issue=1;spage=76;epage=8;aulast=Rana His technique for the latter, used to reconstruct noses that were amputated as a punishment for crimes, is practiced almost unchanged in technique to this day.

Other ancient cultures to have surgical knowledge include Ancient Greece - the Hippocratic Oath was an innovation of the Greek physician Hippocrates - and Ancient China . However ancient Greek culture traditionally considered the practice of opening the body to be repulsive and thus left known surgical practices such as Lithotomy to ''such persons as practice {Link without Title} .'' In China, Hua Tuo was a famous Chinese physician during the Eastern Han and Three Kingdoms era. He was the first person to perform surgery with the aid of Anesthesia , some 1600 years before the practice was adopted by Europeans.

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In Europe , the demand grew for surgeons to formally study for many years before practicing; universities such as Montpellier , Padua and Bologna Universities were particularly renowned. By the fifteenth century at the latest, surgery had split away from Physics as its own subject, of a lesser status than pure Medicine , and initially took the form of a Craft Tradition until Rogerius Salernitanus composed his ''Chirurgia'', laying the foundation for modern Western surgical manuals up to the modern time.


Modern surgery


Modern surgery developed rapidly with the scientific era. Ambroise Paré pioneered the treatment of gunshot wounds, and the first modern surgeons were battlefield doctors in the Napoleonic Wars . Naval surgeons were often Barber Surgeon s, who combined surgery with their main jobs as barbers. Three main developments permitted the transition to modern surgical approaches - control of Bleeding , control of Infection and control of Pain ( Anaesthesia ).

; Bleeding: Before modern surgical developments, there was a very real threat that a patient would bleed to death before treatment, or during the operation. Cauterization (fusing a wound closed with extreme heat) was successful but limited - it was destructive, painful and in the long term had very poor outcomes. Ligature s, or material used to tie off severed blood vessels, are believed to have originated with Ambroise Pare (sometimes spelled "Ambrose"http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=Retrieve&db=PubMed&list_uids=1558689&dopt=Abstract : ''Historical notes on pressure ulcers: the cure of Ambrose Paré'') during the 16th century, but were highly dangerous until infection risk was brought under control - at the time of its discovery, the concept of infection did not exist. Finally, early 20th century research into blood groups allowed the first effective blood transfusions.
; Infection: The concept of infection was unknown until relatively modern times. The first progress in combating infection was made in 1847 by the Hungarian doctor Ignaz Semmelweis who noticed that medical students fresh from the dissecting room were causing excess maternal death compared to midwives. Semmelweis, despite ridicule and opposition, introduced compulsory handwashing for everyone entering the maternal wards and was rewarded with a plunge in maternal and fetal deaths, however the Royal Society in the UK still dismissed his advice. Significant progress came following the work of Pasteur , when the British surgeon Joseph Lister began experimenting with using phenol during surgery to prevent infections. Lister was able to quickly reduce infection rates, a reduction that was further helped by his subsequent introduction of techniques to Sterilize equipment, have rigorous hand washing and a later implementation of rubber gloves. Lister published his work as a series of articles in The Lancet (March 1867) under the title '' Antiseptic Principle Of The Practice Of Surgery ''. The work was groundbreaking and laid the foundations for a rapid advance in infection control that saw modern aseptic operating theatres widely used within 50 years (Lister himself went on to make further strides in antisepsis and asepsis throughout his lifetime).
; Pain: Modern Pain control ( Anesthesia ) was discovered by two American dentists, Horace Wells (1815-1848) and William Morton. Before the advent of Anesthesia , surgery was a traumatically painful procedure and surgeons were encouraged to be as swift as possible to minimize patient Suffering . This also meant that operations were largely restricted to Amputation s and external growth removals. Beginning in the 1840s , surgery began to change dramatically in character with the discovery of effective and practical anaesthetic chemicals such as Ether and Chloroform , later pioneered in Britain by John Snow . In addition to relieving patient suffering, anaesthesia allowed more intricate operations in the internal regions of the human body. In addition, the discovery of Muscle Relaxant s such as Curare allowed for safer applications.


CONDITIONS TREATED BY SURGERY


Surgery is used to both as a treatment, and as an aspect of treatment, for many conditions, including:



COMMON PROCEDURES


Four of the most common surgical procedures in the , repair of obstetric Laceration , Cesarean Section , and artificial rupture of the Amniotic Membrane

The most common non-obstetric surgical procedures include Amputation , Appendectomy , Cataract Surgery , Circumcision , Dental Extraction and Herniorraphy .

According to 1996 data from the US National Center For Health Statistics , 40.3 million inpatient surgical procedures were performed in the United States in 1996, followed closely by 31.5 million outpatient operations.


SEE ALSO




REFERENCES



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