Liposuction is defined as the removal of fat from deposits beneath the skin using a hollow stainless steel tube (called a cannula) with the assistance of a powerful vacuum. Liposuction can be accomplished either with the use of general anesthesia, or with heavy IV sedation, or totally by local anesthesia. This web site considers both the benefits and the potential dangers of local anesthesia and of systemic anesthesia.
Tumescent liposuction refers to a technique that uses large volumes of very dilute local anesthesia that is injected into the fat causing the targeted areas to be come tumescent, or swollen and firm. Local anesthesia is widely regarded as the safest form of anesthesia. Because local anesthesia persists for many hours there is no need for narcotic pain medications after surgery.
Modified Tumescent Liposuction
Modified tumescent liposuction refers to a combination of tumescent local anesthesia plus some form of systemic anesthesia (general anesthesia or heavy IV sedation). Because general anesthesia or heavy IV sedation can be dangerous, they must be administered by an anesthesiologist.
The Different Liposuction Techniques
There are many ways to do liposuction, for example liposuction can be accomplished painlessly either totally by local anesthesia or with general anesthesia. In the realm of liposuction, maximum speed and maximum volume of aspirate are not criteria for excellence. Ultimately, excellence is measured in terms of patient happiness which is a function of safety, patient comfort, finesse, and quality of results. The important distinction between liposuction surgeons who are board certified is the liposuction technique that they use. The surgeon’s specialty is not as important as the surgeon’s technique, experience and attitude toward safety.
Liposuction complications are often the direct result of lack of caution, poor judgment, over confidence, ignorance about pharmacology, or adherence to faulty dogma. This web site discusses these traits, and explains how to reduce the risk of liposuction surgical complications.
The “Art of Liposuction”
Liposuction is a medium of artistic expression that displays itself in (1) a practical application of scientific knowledge, (2) the production of what is beautiful, (3) a perfection of workmanship, (4) a perpetual quest for improvement in technique, and (5) a skill attained through clinical experience, and above all (6) making people feel happy about what they see in the mirror.
Artistry and Safety are Related
This web site asserts that artistry and safety depend on each other. The word “art” implies skill and mastery of a technique. In order to master an artistic liposuction technique, the surgeon must have the skill and intelligence to avoid exposing patients to unnecessary dangers. The true artist provides better results, and uses the safest technique and never forgets the duty to “first, do no harm.” For example, even if a patient wants to have a large volume of liposuction accomplished in one session, the artist convinces the patient that serial liposuction procedures are safer and ultimately yield better results. It is not artistry to take unnecessary risks or push liposuction to the limits of safety.
Risks of Liposuction
Risks of Liposuction must be well understood by all prospective liposuction patients. This web site emphasizes the need to constantly be aware of safety issues. In order to minimize the risk of liposuction, the patient must be aware of the following facts:
- Too much liposuction is an excessive volume of aspirated fat, or an excessive number of areas treated. Excessive surgical trauma (excessive liposuction) is dangerous and is an important cause for serious liposuction complications.
- Unrelated surgical procedures on the same day as liposuction are unnecessary. Prolonged exposure to anesthesia is dangerous and is an important cause for serious liposuction complications.
- Disfiguring skin irregularities and depressions are frequently the result of the surgeon’s inattention to detail. For example, if a liposuction surgeon attempts to do too much on a single day, and becomes fatigued, the result may be an inattention to detail, and undesirable cosmetic results. A liposuction cannula is a stainless steel tube inserted through an incision in the skin that is employed to suction the fat. The size of the liposuction cannula can influence the smoothness of the skin after liposuction. The use of large cannulas tend to create irregularities more commonly than microcannulas (outside diameter less than 3 millimeters). Surgeons who do total-body liposuction tend to use larger cannulas.
Tumescent Technique is Safest
The tumescent technique for liposuction is unquestionably the safest form of liposuction. When tumescent liposuction is done correctly (not excessively), it is a very safe procedure. For example, there have been no reported deaths associated with tumescent liposuction totally by local anesthesia. Even when general anesthesia is combined with the tumescent technique, liposuction is quite safe provided the volume of fat removed and the number of areas treated during a single surgery is not excessive. The dilute epinephrine contained in the tumescent anesthetic solution profoundly shrinks capillaries and thus virtually eliminates surgical blood loss.
Smoother Cosmetic Results
The tumescent technique permits the use of microcannulas which in turn yields smoother cosmetic results. Traditional liposuction cannulas (stainless steel tubes) have a relatively large diameter and remove fat rather quickly. However, with the use of large cannulas (diameter greater than 3 millimeters) there is an increased risk of irregularities and depressions in the skin. Microcannulas with a diameter less than 3 millimeters, allow fat to be removed in a smoother and more uniform fashion. Some surgeons prefer larger cannulas because it allows liposuction to be done more quickly.
After tumescent liposuction, there is a certain amount of blood-tinged local anesthetic solution that remains under the skin. This excess fluid is either slowly absorbed over several weeks into the blood stream, or it can be rapidly removed by drainage through skin incisions and absorbed by special absorptive pads (HK Pads).
Rapid drainage of blood-tinged anesthetic solution out of incision sites, accelerates the rate of healing, and reduces post-operative pain swelling, and bruising. Post-liposuction drainage of blood-tinged anesthetic solution can be maximized by 1) leaving incision sites open and not closed with sutures, 2) placing several adits (1.5 mm tiny round holes) in the skin to encourage drainage, 3) placing HK Pads on the skin to absorb the drainage, and 4) wearing spandex compression garments to encourage drainage.
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