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General surgery is a surgical specialty that focuses on abdominal contents including esophagus, stomach, small intestine, large intestine, liver, pancreas, gallbladder, appendix and bile ducts, and often the thyroid gland (depending on local referral patterns). They also deal with diseases involving the skin, breast, soft tissue, trauma, Peripheral artery disease and hernias and perform endoscopic procedures such as gastroscopy and colonoscopy.
General surgeons may sub-specialize into one or more of the following disciplines:
Trauma surgery/ Surgical Critical Care
In many parts of the world including North America, Australia and the United Kingdom, the overall responsibility for trauma care falls under the auspices of general surgery. Some general surgeons obtain advanced training in this field (most commonly surgical critical care) and specialty certification surgical critical care. General surgeons must be able to deal initially with almost any surgical emergency. Often, they are the first port of call to critically ill or gravely injured patients, and must perform a variety of procedures to stabilize such patients, such as thoracostomy, cricothyroidotomy, compartment fasciotomies and emergency laparotomy or thoracotomy to stanch bleeding. They are also called upon to staff surgical intensive care units or trauma intensive care units.
All general surgeons are trained in emergency surgery. Bleeding, infections, bowel obstructions and organ perforations are the main problems they deal with. Cholecystectomy, the surgical removal of the gallbladder, is one of the most common surgical procedures done worldwide. This is most often done electively, but the gallbladder can become acutely inflamed and require an emergency operation. Infections and rupture of the appendix and small bowel obstructions are other common emergencies.
This is a relatively new specialty dealing with minimal access techniques using cameras and small instruments inserted through 3 to 15mm incisions. Robotic surgery is now evolving from this concept (see below). Gallbladders, appendices, and colons can all be removed with this technique. Hernias are also able to be repaired laparoscopically. Bariatric surgery can be performed laparoscopically and there a benefits of doing so to reduce wound complications in obese patients. General surgeons that are trained today are expected to be proficient in laparoscopic procedures.
General surgeons treat a wide variety of major and minor colon and rectal diseases including inflammatory bowel diseases (such as ulcerative colitis or Crohn's disease), diverticulitis, colon and rectal cancer, gastrointestinal bleeding and hemorrhoids.
General surgeons can perform vascular surgery if they receive special training and certification in vascular surgery. Otherwise, these procedures are typically performed by vascular surgery specialists. However, general surgeons are capable of treating minor vascular disorders.
General surgeons are trained to remove all or part of the thyroid and parathyroid glands in the neck and the adrenal glands just above each kidney in the abdomen. In many communities, they are the only surgeon trained to do this. In communities that have a number of subspecialists, other subspecialty surgeons may assume responsibility for these procedures.
Responsible for all aspects of pre-operative, operative, and post-operative care of abdominal organ transplant patients. Transplanted organs include liver, kidney, pancreas, and more rarely small bowel.
Surgical oncologist refers to a general surgical oncologist (a specialty of a general surgeon), but thoracic surgical oncologists, gynecologist and so forth can all be considered surgeons who specialize in treating cancer patients. The importance of training surgeons who sub-specialize in cancer surgery lies in evidence, supported by a number of clinical trials, that outcomes in surgical cancer care are positively associated to surgeon volume—i.e., the more cancer cases a surgeon treats, the more proficient he or she becomes, and his or her patients experience improved survival rates as a result. This is another controversial point, but it is generally accepted—even as common sense—that a surgeon who performs a given operation more often, will achieve superior results when compared with a surgeon who rarely performs the same procedure. This is particularly true of complex cancer resections such as pancreaticoduodenectomy for pancreatic cancer, and gastrectomy with extended (D2) lymphadenectomy for gastric cancer. Surgical oncology is generally a 2 year fellowship following completion of a general surgery residency (5-7 years).
Most cardiothoracic surgeons in the U.S. (D.O. or M.D.) first complete a general surgery residency (typically 5–7 years), followed by a cardiothoracic surgery fellowship (typically 2–3 years). However, new programmes are currently offering cardiothoracic surgery as a residency (6-8 years) .
Pediatric surgery is a subspecialty of general surgery. Pediatric surgeons do surgery on patients age lower than 18. Pediatric surgery is 5–7 years of residency and a 2-3 year fellowship.
In the 2000s minimally invasive surgery became more prevalent. Considerable enthusiasm has been built around robot-assisted surgery (also known as robotic surgery), despite a lack of data suggesting it has significant benefits that justify its cost.
In Canada, Australia, New Zealand, and the United States general surgery is a five to seven year residency and follows completion of medical school, either MD, MBBS, MBChB, or DO degrees. In Australia and New Zealand, a residency leads to eligibility for Fellowship of the Royal Australasian College of Surgeons. In Canada, residency leads to eligibility for certification by and Fellowship of the Royal College of Physicians and Surgeons of Canada, while in the United States, completion of a residency in general surgery leads to eligibility for board certification by the American Board of Surgery or the American Osteopathic Board of Surgery which is also required upon completion of training for a general surgeon to have operating privileges at most hospitals in the United States.
In the United Kingdom, surgical trainees enter training after five years of medical school and two years of the Foundation Programme. During the two to three-year core training programme, doctors will sit the Membership of the Royal College of Surgeons (MRCS) examination. On award of the MRCS examination, surgeons may hold the title 'Mister' or 'Miss/Ms./Mrs' rather than doctor. This is a tradition dating back hundreds of years in the United Kingdom from when only physicians attended medical school and surgeons did not, but were rather associated with barbers in the Barber Surgeon’s Guild. The tradition is also present in many Commonwealth countries including New Zealand and some states of Australia. Trainees will then go onto Higher Surgical Training (HST), lasting a further five to six years. During this time they may choose to subspecialise. Before the end of HST, the examination of Fellow of the Royal College of Surgeons (FRCS) must be taken in general surgery plus the subspeciality. Upon completion of training, the surgeon will become a consultant surgeon and will be eligible for entry on the GMC Specialist Register and may work both in the NHS and independent sector as a consultant general surgeon. The implementation of the European Working Time Directive limited UK surgical residents to a 48-hour working week. The introduction of a sub-consultant grade to enable those who have recently received a UK Certificate of Completion of Training may be necessary.
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